37 files changed, 4421 insertions, 402 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..19bc7e4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+doxygen/html
+doxygen/man
+
+*.o
+*.so
+*.so.*
+*.a
+utils/tinyplay
+utils/tinycap
+utils/tinymix
+utils/tinypcminfo
+
diff --git a/Android.mk b/Android.mk
index 3ebd972..d5a8305 100644
--- a/Android.mk
+++ b/Android.mk
@@ -2,7 +2,7 @@ LOCAL_PATH:= $(call my-dir)
 
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES:= external/tinyalsa/include
-LOCAL_SRC_FILES:= mixer.c pcm.c
+LOCAL_SRC_FILES:= src/mixer.c src/pcm.c
 LOCAL_MODULE := libtinyalsa
 LOCAL_SHARED_LIBRARIES:= libcutils libutils
 LOCAL_MODULE_TAGS := optional
@@ -12,7 +12,7 @@ include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES:= external/tinyalsa/include
-LOCAL_SRC_FILES:= tinyplay.c
+LOCAL_SRC_FILES:= utils/tinyplay.c
 LOCAL_MODULE := tinyplay
 LOCAL_SHARED_LIBRARIES:= libcutils libutils libtinyalsa
 LOCAL_MODULE_TAGS := optional
@@ -21,7 +21,25 @@ include $(BUILD_EXECUTABLE)
 
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES:= external/tinyalsa/include
-LOCAL_SRC_FILES:= tinycap.c
+LOCAL_SRC_FILES:= utils/tinywavinfo.c
+LOCAL_MODULE := tinywavinfo
+LOCAL_SHARED_LIBRARIES:= libcutils libutils libm
+LOCAL_MODULE_TAGS := optional
+include $(BUILD_EXECUTABLE)
+
+ifeq ($(HOST_OS), linux)
+include $(CLEAR_VARS)
+LOCAL_C_INCLUDES:= external/tinyalsa/include
+LOCAL_SRC_FILES:= utils/tinywavinfo.c
+LOCAL_MODULE := tinywavinfo
+LOCAL_STATIC_LIBRARIES:= libcutils libutils
+LOCAL_MODULE_TAGS := optional
+include $(BUILD_HOST_EXECUTABLE)
+endif
+
+include $(CLEAR_VARS)
+LOCAL_C_INCLUDES:= external/tinyalsa/include
+LOCAL_SRC_FILES:= utils/tinycap.c
 LOCAL_MODULE := tinycap
 LOCAL_SHARED_LIBRARIES:= libcutils libutils libtinyalsa
 LOCAL_MODULE_TAGS := optional
@@ -30,7 +48,7 @@ include $(BUILD_EXECUTABLE)
 
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES:= external/tinyalsa/include
-LOCAL_SRC_FILES:= tinymix.c
+LOCAL_SRC_FILES:= utils/tinymix.c
 LOCAL_MODULE := tinymix
 LOCAL_SHARED_LIBRARIES:= libcutils libutils libtinyalsa
 LOCAL_MODULE_TAGS := optional
@@ -39,7 +57,7 @@ include $(BUILD_EXECUTABLE)
 
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES:= external/tinyalsa/include
-LOCAL_SRC_FILES:= tinypcminfo.c
+LOCAL_SRC_FILES:= utils/tinypcminfo.c
 LOCAL_MODULE := tinypcminfo
 LOCAL_SHARED_LIBRARIES:= libcutils libutils libtinyalsa
 LOCAL_MODULE_TAGS := optional
diff --git a/Makefile b/Makefile
index f172a13..f1be254 100644
--- a/Makefile
+++ b/Makefile
@@ -1,29 +1,31 @@
-CFLAGS = -c -fPIC -Wall
-INC = include
-OBJECTS = mixer.o pcm.o
-LIB = libtinyalsa.so
-CROSS_COMPILE =
+export DESTDIR ?=
+export PREFIX ?= /usr/local
+export CROSS_COMPILE =
 
-all: $(LIB) tinyplay tinycap tinymix tinypcminfo
+export INCDIR ?= $(PREFIX)/include
+export LIBDIR ?= $(PREFIX)/lib
+export BINDIR ?= $(PREFIX)/bin
+export MANDIR ?= $(PREFIX)/share/man
 
-tinyplay: $(LIB) tinyplay.o
-	$(CROSS_COMPILE)gcc tinyplay.o -L. -ltinyalsa -o tinyplay
+INCDIR ?= $(PREFIX)/include
 
-tinycap: $(LIB) tinycap.o
-	$(CROSS_COMPILE)gcc tinycap.o -L. -ltinyalsa -o tinycap
-
-tinymix: $(LIB) tinymix.o
-	$(CROSS_COMPILE)gcc tinymix.o -L. -ltinyalsa -o tinymix
-
-tinypcminfo: $(LIB) tinypcminfo.o
-	$(CROSS_COMPILE)gcc tinypcminfo.o -L. -ltinyalsa -o tinypcminfo
-
-$(LIB): $(OBJECTS)
-	$(CROSS_COMPILE)gcc -shared $(OBJECTS) -o $(LIB)
-
-.c.o:
-	$(CROSS_COMPILE)gcc $(CFLAGS) $< -I$(INC)
+.PHONY: all
+all:
+	$(MAKE) -C src
+	$(MAKE) -C utils
+	$(MAKE) -C doxygen
 
+.PHONY: clean
 clean:
-	-rm $(LIB) $(OBJECTS) tinyplay.o tinyplay tinycap.o tinycap \
-	tinymix.o tinymix tinypcminfo.o tinypcminfo
+	$(MAKE) -C src clean
+	$(MAKE) -C utils clean
+	$(MAKE) -C doxygen clean
+
+.PHONY: install
+install:
+	mkdir -p $(DESTDIR)$(INCDIR)/tinyalsa
+	cp -Ru include/tinyalsa $(DESTDIR)$(INCDIR)/
+	$(MAKE) -C src install
+	$(MAKE) -C utils install
+	$(MAKE) -C doxygen install
+
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..fea2b45
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,23 @@
+Copyright 2011, The Android Open Source Project
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of The Android Open Source Project nor the names of
+      its contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
+
diff --git a/README b/README
deleted file mode 100644
index 85b1e5e..0000000
--- a/README
+++ /dev/null
@@ -1,9 +0,0 @@
-tinyalsa: a small library to interface with ALSA in the Linux kernel
-
-The aims are:
-
-- Provide a basic pcm and mixer API
-- If it's not absolutely needed, don't add it to the API
-- Avoid supporting complex and unnecessary operations that could be
-  dealt with at a higher level
-
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7bcc596
--- /dev/null
+++ b/README.md
@@ -0,0 +1,57 @@
+TinyALSA
+========
+
+TinyALSA is a small library to interface with ALSA in the Linux kernel.
+
+The aims are:
+
+ - Provide a basic pcm and mixer API.
+ - If it's not absolutely needed, don't add it to the API.
+ - Avoid supporting complex and unnecessary operations, that could be
+   dealt with at a higher level.
+ - Provide comprehensive documentation.
+
+### Building
+
+TinyALSA uses Makefile as the primary build system.
+
+To build and install with Make, run the commands:
+
+```
+make
+sudo make install
+sudo ldconfig
+```
+
+### Installing
+
+TinyALSA is now available as a set of the following debian packages from [launchpad](https://launchpad.net/~taylorcholberton/+archive/ubuntu/tinyalsa):
+
+| Package Name:   | Description:                                        |
+|-----------------|-----------------------------------------------------|
+| tinyalsa        | Contains tinyplay, tinycap, tinymix and tinypcminfo |
+| libtinyalsa     | Contains the shared library                         |
+| libtinyalsa-dev | Contains the static library and header files        |
+
+To install these packages, run the commands:
+
+```
+sudo apt-add-repository ppa:taylorcholberton/tinyalsa
+sudo apt-get update
+sudo apt-get install tinyalsa
+sudo apt-get install libtinyalsa-dev
+```
+
+### Documentation
+
+Once installed, the man pages are available via:
+
+```
+man tinyplay
+man tinycap
+man tinymix
+man tinypcminfo
+man tinyalsa-pcm
+man tinyalsa-mixer
+```
+
diff --git a/debian/changelog b/debian/changelog
new file mode 100644
index 0000000..851ac70
--- /dev/null
+++ b/debian/changelog
@@ -0,0 +1,19 @@
+tinyalsa (1.0.2) xenial; urgency=medium
+
+  * Removed install of libtinyalsa.so in package libtinyalsa
+
+ -- Taylor Holberton <taylorcholberton@gmail.com>  Sun, 02 Oct 2016 13:46:33 -0400
+
+tinyalsa (1.0.1) xenial; urgency=medium
+
+  * Added man pages for tinycap, tinyplay, tinymix and tinypcminfo.
+  * Fixed overwrite of shared library in package libtinyalsa-dev
+
+ -- Taylor Holberton <taylorcholberton@gmail.com>  Sun, 02 Oct 2016 12:24:28 -0400
+
+tinyalsa (1.0.0) xenial; urgency=medium
+
+  * Initial debian release.
+
+ -- Taylor Holberton <taylorcholberton@gmail.com>  Sat, 01 Oct 2016 20:31:04 -0400
+
diff --git a/debian/compat b/debian/compat
new file mode 100644
index 0000000..ec63514
--- /dev/null
+++ b/debian/compat
@@ -0,0 +1 @@
+9
diff --git a/debian/control b/debian/control
new file mode 100644
index 0000000..50172c1
--- /dev/null
+++ b/debian/control
@@ -0,0 +1,37 @@
+Source: tinyalsa
+Section: sound
+Priority: optional
+Maintainer: Taylor Holberton <taylorcholberton@gmail.com>
+Build-Depends: debhelper, doxygen
+Vcs-Git: git://github.com/tinyalsa/tinyalsa
+Vcs-Browser: https://github.com/tinyalsa/tinyalsa
+Standards-Version: 3.9.7
+
+Package: tinyalsa
+Architecture: any
+Section: sound
+Depends: libtinyalsa (= ${binary:Version}),
+         ${misc:Depends},
+         ${shlibs:Depends}
+Description: A collection of small programs to interface with ALSA in the Linux kernel.
+ TinyALSA is a lightweight interface to ALSA in the Linux kernel.
+
+Package: libtinyalsa
+Architecture: any
+Multi-Arch: same
+Section: libs
+Depends: ${misc:Depends},
+         ${shlibs:Depends}
+Description: A small C library for interfacing with ALSA in the Linux kernel.
+ The TinyALSA library is a lightweight, bare metal version of the ALSA library.
+
+Package: libtinyalsa-dev
+Architecture: any
+Multi-Arch: same
+Section: libdevel
+Depends: libtinyalsa,
+         ${misc:Depends},
+         ${shlibs:Depends}
+Description: Development files for the TinyALSA library.
+ The TinyALSA library is a lightweight, bare metal version of the ALSA library.
+
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 0000000..6ae2c37
--- /dev/null
+++ b/debian/copyright
@@ -0,0 +1,41 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: tinyalsa
+Source: https://github.com/tinyalsa/tinyalsa
+
+Files: *
+Copyright: 2016 Simon Wilson
+License: BSD-3-Clause
+
+Files: debian/*
+Copyright: 2016 Taylor Holberton <taylorcholberton@gmail.com>
+License: BSD-3-Clause
+
+License: BSD-3-Clause
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the Android Open Source Project nor the names of
+    its contributors may be used to endorse or promote products derived
+    from this software without specific prior written permission.
+ .
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
+ A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE HOLDERS OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Please also look if there are files or directories which have a
+# different copyright/license attached and list them here.
+# Please avoid picking licenses with terms that are more restrictive than the
+# packaged work, as it may make Debian's contributions unacceptable upstream.
diff --git a/debian/libtinyalsa-dev.dirs.in b/debian/libtinyalsa-dev.dirs.in
new file mode 100644
index 0000000..5c59953
--- /dev/null
+++ b/debian/libtinyalsa-dev.dirs.in
@@ -0,0 +1,2 @@
+/usr/lib/@DEB_HOST_MULTIARCH@
+/usr/include
diff --git a/debian/libtinyalsa-dev.install.in b/debian/libtinyalsa-dev.install.in
new file mode 100644
index 0000000..853d12c
--- /dev/null
+++ b/debian/libtinyalsa-dev.install.in
@@ -0,0 +1,4 @@
+debian/tmp/usr/include/* usr/include/
+debian/tmp/usr/lib/@DEB_HOST_MULTIARCH@/lib*.so usr/lib/@DEB_HOST_MULTIARCH@/
+debian/tmp/usr/lib/@DEB_HOST_MULTIARCH@/lib*.a usr/lib/@DEB_HOST_MULTIARCH@/
+debian/tmp/usr/share/man/man3 usr/share/man/
diff --git a/debian/libtinyalsa.dirs.in b/debian/libtinyalsa.dirs.in
new file mode 100644
index 0000000..6768aca
--- /dev/null
+++ b/debian/libtinyalsa.dirs.in
@@ -0,0 +1 @@
+/usr/lib/@DEB_HOST_MULTIARCH@
diff --git a/debian/libtinyalsa.install.in b/debian/libtinyalsa.install.in
new file mode 100644
index 0000000..a9ec3d3
--- /dev/null
+++ b/debian/libtinyalsa.install.in
@@ -0,0 +1 @@
+debian/tmp/usr/lib/@DEB_HOST_MULTIARCH@/*.so.* usr/lib/@DEB_HOST_MULTIARCH@/
diff --git a/debian/rules b/debian/rules
new file mode 100755
index 0000000..92623f9
--- /dev/null
+++ b/debian/rules
@@ -0,0 +1,28 @@
+#!/usr/bin/make -f
+# See debhelper(7) (uncomment to enable)
+# output every command that modifies files on the build system.
+#DH_VERBOSE = 1
+
+DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
+export DEB_HOST_MULTIARCH
+
+PREPROCESS_FILES := $(wildcard debian/*.in)
+
+$(PREPROCESS_FILES:.in=): %: %.in
+	sed 's,/@DEB_HOST_MULTIARCH@,$(DEB_HOST_MULTIARCH:%=/%),g' $< > $@
+
+.PHONY: override_dh_auto_clean
+override_dh_auto_clean:
+	dh_auto_clean
+	rm -rf $(PREPROCESS_FILES:.in=)
+
+.PHONY: override_dh_auto_install
+override_dh_auto_install: $(PREPROCESS_FILES:.in=)
+	dh_auto_install -- PREFIX=/usr
+
+.PHONY: override_dh_auto_test
+override_dh_auto_test:
+
+%:
+	dh $@
+
diff --git a/debian/tinyalsa.dirs b/debian/tinyalsa.dirs
new file mode 100644
index 0000000..99b95ed
--- /dev/null
+++ b/debian/tinyalsa.dirs
@@ -0,0 +1,2 @@
+/usr/bin
+/usr/share
diff --git a/debian/tinyalsa.install b/debian/tinyalsa.install
new file mode 100644
index 0000000..438db01
--- /dev/null
+++ b/debian/tinyalsa.install
@@ -0,0 +1,8 @@
+debian/tmp/usr/bin/tinyplay usr/bin/
+debian/tmp/usr/bin/tinycap usr/bin/
+debian/tmp/usr/bin/tinymix usr/bin/
+debian/tmp/usr/bin/tinypcminfo usr/bin/
+debian/tmp/usr/share/man/man1/tinyplay.1 usr/share/man/man1/
+debian/tmp/usr/share/man/man1/tinycap.1 usr/share/man/man1/
+debian/tmp/usr/share/man/man1/tinymix.1 usr/share/man/man1/
+debian/tmp/usr/share/man/man1/tinypcminfo.1 usr/share/man/man1/
diff --git a/doxygen/Doxyfile b/doxygen/Doxyfile
new file mode 100644
index 0000000..6a3a2d2
--- /dev/null
+++ b/doxygen/Doxyfile
@@ -0,0 +1,2427 @@
+# Doxyfile 1.8.11
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project.
+#
+# All text after a double hash (##) is considered a comment and is placed in
+# front of the TAG it is preceding.
+#
+# All text after a single hash (#) is considered a comment and will be ignored.
+# The format is:
+# TAG = value [value, ...]
+# For lists, items can also be appended using:
+# TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (\" \").
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+
+# This tag specifies the encoding used for all characters in the config file
+# that follow. The default is UTF-8 which is also the encoding used for all text
+# before the first occurrence of this tag. Doxygen uses libiconv (or the iconv
+# built into libc) for the transcoding. See http://www.gnu.org/software/libiconv
+# for the list of possible encodings.
+# The default value is: UTF-8.
+
+DOXYFILE_ENCODING      = UTF-8
+
+# The PROJECT_NAME tag is a single word (or a sequence of words surrounded by
+# double-quotes, unless you are using Doxywizard) that should identify the
+# project for which the documentation is generated. This name is used in the
+# title of most generated pages and in a few other places.
+# The default value is: My Project.
+
+PROJECT_NAME           = "TinyALSA"
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number. This
+# could be handy for archiving the generated documentation or if some version
+# control system is used.
+
+PROJECT_NUMBER         = 1.0.0
+
+# Using the PROJECT_BRIEF tag one can provide an optional one line description
+# for a project that appears at the top of each page and should give viewer a
+# quick idea about the purpose of the project. Keep the description short.
+
+PROJECT_BRIEF          = "A tiny library to interface with ALSA in the Linux kernel."
+
+# With the PROJECT_LOGO tag one can specify a logo or an icon that is included
+# in the documentation. The maximum height of the logo should not exceed 55
+# pixels and the maximum width should not exceed 200 pixels. Doxygen will copy
+# the logo to the output directory.
+
+PROJECT_LOGO           =
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
+# into which the generated documentation will be written. If a relative path is
+# entered, it will be relative to the location where doxygen was started. If
+# left blank the current directory will be used.
+
+OUTPUT_DIRECTORY       =
+
+# If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub-
+# directories (in 2 levels) under the output directory of each output format and
+# will distribute the generated files over these directories. Enabling this
+# option can be useful when feeding doxygen a huge amount of source files, where
+# putting all generated files in the same directory would otherwise causes
+# performance problems for the file system.
+# The default value is: NO.
+
+CREATE_SUBDIRS         = NO
+
+# If the ALLOW_UNICODE_NAMES tag is set to YES, doxygen will allow non-ASCII
+# characters to appear in the names of generated files. If set to NO, non-ASCII
+# characters will be escaped, for example _xE3_x81_x84 will be used for Unicode
+# U+3044.
+# The default value is: NO.
+
+ALLOW_UNICODE_NAMES    = NO
+
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all
+# documentation generated by doxygen is written. Doxygen will use this
+# information to generate all constant output in the proper language.
+# Possible values are: Afrikaans, Arabic, Armenian, Brazilian, Catalan, Chinese,
+# Chinese-Traditional, Croatian, Czech, Danish, Dutch, English (United States),
+# Esperanto, Farsi (Persian), Finnish, French, German, Greek, Hungarian,
+# Indonesian, Italian, Japanese, Japanese-en (Japanese with English messages),
+# Korean, Korean-en (Korean with English messages), Latvian, Lithuanian,
+# Macedonian, Norwegian, Persian (Farsi), Polish, Portuguese, Romanian, Russian,
+# Serbian, Serbian-Cyrillic, Slovak, Slovene, Spanish, Swedish, Turkish,
+# Ukrainian and Vietnamese.
+# The default value is: English.
+
+OUTPUT_LANGUAGE        = English
+
+# If the BRIEF_MEMBER_DESC tag is set to YES, doxygen will include brief member
+# descriptions after the members that are listed in the file and class
+# documentation (similar to Javadoc). Set to NO to disable this.
+# The default value is: YES.
+
+BRIEF_MEMBER_DESC      = YES
+
+# If the REPEAT_BRIEF tag is set to YES, doxygen will prepend the brief
+# description of a member or function before the detailed description
+#
+# Note: If both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
+# brief descriptions will be completely suppressed.
+# The default value is: YES.
+
+REPEAT_BRIEF           = YES
+
+# This tag implements a quasi-intelligent brief description abbreviator that is
+# used to form the text in various listings. Each string in this list, if found
+# as the leading text of the brief description, will be stripped from the text
+# and the result, after processing the whole list, is used as the annotated
+# text. Otherwise, the brief description is used as-is. If left blank, the
+# following values are used ($name is automatically replaced with the name of
+# the entity):The $name class, The $name widget, The $name file, is, provides,
+# specifies, contains, represents, a, an and the.
+
+ABBREVIATE_BRIEF       =
+
+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
+# doxygen will generate a detailed section even if there is only a brief
+# description.
+# The default value is: NO.
+
+ALWAYS_DETAILED_SEC    = NO
+
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
+# inherited members of a class in the documentation of that class as if those
+# members were ordinary class members. Constructors, destructors and assignment
+# operators of the base classes will not be shown.
+# The default value is: NO.
+
+INLINE_INHERITED_MEMB  = NO
+
+# If the FULL_PATH_NAMES tag is set to YES, doxygen will prepend the full path
+# before files name in the file list and in the header files. If set to NO the
+# shortest path that makes the file name unique will be used
+# The default value is: YES.
+
+FULL_PATH_NAMES        = YES
+
+# The STRIP_FROM_PATH tag can be used to strip a user-defined part of the path.
+# Stripping is only done if one of the specified strings matches the left-hand
+# part of the path. The tag can be used to show relative paths in the file list.
+# If left blank the directory from which doxygen is run is used as the path to
+# strip.
+#
+# Note that you can specify absolute paths here, but also relative paths, which
+# will be relative from the directory where doxygen is started.
+# This tag requires that the tag FULL_PATH_NAMES is set to YES.
+
+STRIP_FROM_PATH        =
+
+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of the
+# path mentioned in the documentation of a class, which tells the reader which
+# header file to include in order to use a class. If left blank only the name of
+# the header file containing the class definition is used. Otherwise one should
+# specify the list of include paths that are normally passed to the compiler
+# using the -I flag.
+
+STRIP_FROM_INC_PATH    =
+
+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter (but
+# less readable) file names. This can be useful is your file systems doesn't
+# support long names like on DOS, Mac, or CD-ROM.
+# The default value is: NO.
+
+SHORT_NAMES            = NO
+
+# If the JAVADOC_AUTOBRIEF tag is set to YES then doxygen will interpret the
+# first line (until the first dot) of a Javadoc-style comment as the brief
+# description. If set to NO, the Javadoc-style will behave just like regular Qt-
+# style comments (thus requiring an explicit @brief command for a brief
+# description.)
+# The default value is: NO.
+
+JAVADOC_AUTOBRIEF      = YES
+
+# If the QT_AUTOBRIEF tag is set to YES then doxygen will interpret the first
+# line (until the first dot) of a Qt-style comment as the brief description. If
+# set to NO, the Qt-style will behave just like regular Qt-style comments (thus
+# requiring an explicit \brief command for a brief description.)
+# The default value is: NO.
+
+QT_AUTOBRIEF           = NO
+
+# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make doxygen treat a
+# multi-line C++ special comment block (i.e. a block of //! or /// comments) as
+# a brief description. This used to be the default behavior. The new default is
+# to treat a multi-line C++ comment block as a detailed description. Set this
+# tag to YES if you prefer the old behavior instead.
+#
+# Note that setting this tag to YES also means that rational rose comments are
+# not recognized any more.
+# The default value is: NO.
+
+MULTILINE_CPP_IS_BRIEF = NO
+
+# If the INHERIT_DOCS tag is set to YES then an undocumented member inherits the
+# documentation from any documented member that it re-implements.
+# The default value is: YES.
+
+INHERIT_DOCS           = YES
+
+# If the SEPARATE_MEMBER_PAGES tag is set to YES then doxygen will produce a new
+# page for each member. If set to NO, the documentation of a member will be part
+# of the file/class/namespace that contains it.
+# The default value is: NO.
+
+SEPARATE_MEMBER_PAGES  = NO
+
+# The TAB_SIZE tag can be used to set the number of spaces in a tab. Doxygen
+# uses this value to replace tabs by spaces in code fragments.
+# Minimum value: 1, maximum value: 16, default value: 4.
+
+TAB_SIZE               = 4
+
+# This tag can be used to specify a number of aliases that act as commands in
+# the documentation. An alias has the form:
+# name=value
+# For example adding
+# "sideeffect=@par Side Effects:\n"
+# will allow you to put the command \sideeffect (or @sideeffect) in the
+# documentation, which will result in a user-defined paragraph with heading
+# "Side Effects:". You can put \n's in the value part of an alias to insert
+# newlines.
+
+ALIASES                =
+
+# This tag can be used to specify a number of word-keyword mappings (TCL only).
+# A mapping has the form "name=value". For example adding "class=itcl::class"
+# will allow you to use the command class in the itcl::class meaning.
+
+TCL_SUBST              =
+
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources
+# only. Doxygen will then generate output that is more tailored for C. For
+# instance, some of the names that are used will be different. The list of all
+# members will be omitted, etc.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_FOR_C  = YES
+
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
+# Python sources only. Doxygen will then generate output that is more tailored
+# for that language. For instance, namespaces will be presented as packages,
+# qualified scopes will look different, etc.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_JAVA   = NO
+
+# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran
+# sources. Doxygen will then generate output that is tailored for Fortran.
+# The default value is: NO.
+
+OPTIMIZE_FOR_FORTRAN   = NO
+
+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
+# sources. Doxygen will then generate output that is tailored for VHDL.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_VHDL   = NO
+
+# Doxygen selects the parser to use depending on the extension of the files it
+# parses. With this tag you can assign which parser to use for a given
+# extension. Doxygen has a built-in mapping, but you can override or extend it
+# using this tag. The format is ext=language, where ext is a file extension, and
+# language is one of the parsers supported by doxygen: IDL, Java, Javascript,
+# C#, C, C++, D, PHP, Objective-C, Python, Fortran (fixed format Fortran:
+# FortranFixed, free formatted Fortran: FortranFree, unknown formatted Fortran:
+# Fortran. In the later case the parser tries to guess whether the code is fixed
+# or free formatted code, this is the default for Fortran type files), VHDL. For
+# instance to make doxygen treat .inc files as Fortran files (default is PHP),
+# and .f files as C (default is Fortran), use: inc=Fortran f=C.
+#
+# Note: For files without extension you can use no_extension as a placeholder.
+#
+# Note that for custom extensions you also need to set FILE_PATTERNS otherwise
+# the files are not read by doxygen.
+
+EXTENSION_MAPPING      =
+
+# If the MARKDOWN_SUPPORT tag is enabled then doxygen pre-processes all comments
+# according to the Markdown format, which allows for more readable
+# documentation. See http://daringfireball.net/projects/markdown/ for details.
+# The output of markdown processing is further processed by doxygen, so you can
+# mix doxygen, HTML, and XML commands with Markdown formatting. Disable only in
+# case of backward compatibilities issues.
+# The default value is: YES.
+
+MARKDOWN_SUPPORT       = YES
+
+# When enabled doxygen tries to link words that correspond to documented
+# classes, or namespaces to their corresponding documentation. Such a link can
+# be prevented in individual cases by putting a % sign in front of the word or
+# globally by setting AUTOLINK_SUPPORT to NO.
+# The default value is: YES.
+
+AUTOLINK_SUPPORT       = YES
+
+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
+# to include (a tag file for) the STL sources as input, then you should set this
+# tag to YES in order to let doxygen match functions declarations and
+# definitions whose arguments contain STL classes (e.g. func(std::string);
+# versus func(std::string) {}). This also make the inheritance and collaboration
+# diagrams that involve STL classes more complete and accurate.
+# The default value is: NO.
+
+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to
+# enable parsing support.
+# The default value is: NO.
+
+CPP_CLI_SUPPORT        = NO
+
+# Set the SIP_SUPPORT tag to YES if your project consists of sip (see:
+# http://www.riverbankcomputing.co.uk/software/sip/intro) sources only. Doxygen
+# will parse them like normal C++ but will assume all classes use public instead
+# of private inheritance when no explicit protection keyword is present.
+# The default value is: NO.
+
+SIP_SUPPORT            = NO
+
+# For Microsoft's IDL there are propget and propput attributes to indicate
+# getter and setter methods for a property. Setting this option to YES will make
+# doxygen to replace the get and set methods by a property in the documentation.
+# This will only work if the methods are indeed getting or setting a simple
+# type. If this is not the case, or you want to show the methods anyway, you
+# should set this option to NO.
+# The default value is: YES.
+
+IDL_PROPERTY_SUPPORT   = YES
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
+# tag is set to YES then doxygen will reuse the documentation of the first
+# member in the group (if any) for the other members of the group. By default
+# all members of a group must be documented explicitly.
+# The default value is: NO.
+
+DISTRIBUTE_GROUP_DOC   = NO
+
+# If one adds a struct or class to a group and this option is enabled, then also
+# any nested class or struct is added to the same group. By default this option
+# is disabled and one has to add nested compounds explicitly via \ingroup.
+# The default value is: NO.
+
+GROUP_NESTED_COMPOUNDS = NO
+
+# Set the SUBGROUPING tag to YES to allow class member groups of the same type
+# (for instance a group of public functions) to be put as a subgroup of that
+# type (e.g. under the Public Functions section). Set it to NO to prevent
+# subgrouping. Alternatively, this can be done per class using the
+# \nosubgrouping command.
+# The default value is: YES.
+
+SUBGROUPING            = YES
+
+# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions
+# are shown inside the group in which they are included (e.g. using \ingroup)
+# instead of on a separate page (for HTML and Man pages) or section (for LaTeX
+# and RTF).
+#
+# Note that this feature does not work in combination with
+# SEPARATE_MEMBER_PAGES.
+# The default value is: NO.
+
+INLINE_GROUPED_CLASSES = NO
+
+# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and unions
+# with only public data fields or simple typedef fields will be shown inline in
+# the documentation of the scope in which they are defined (i.e. file,
+# namespace, or group documentation), provided this scope is documented. If set
+# to NO, structs, classes, and unions are shown on a separate page (for HTML and
+# Man pages) or section (for LaTeX and RTF).
+# The default value is: NO.
+
+INLINE_SIMPLE_STRUCTS  = NO
+
+# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or
+# enum is documented as struct, union, or enum with the name of the typedef. So
+# typedef struct TypeS {} TypeT, will appear in the documentation as a struct
+# with name TypeT. When disabled the typedef will appear as a member of a file,
+# namespace, or class. And the struct will be named TypeS. This can typically be
+# useful for C code in case the coding convention dictates that all compound
+# types are typedef'ed and only the typedef is referenced, never the tag name.
+# The default value is: NO.
+
+TYPEDEF_HIDES_STRUCT   = NO
+
+# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This
+# cache is used to resolve symbols given their name and scope. Since this can be
+# an expensive process and often the same symbol appears multiple times in the
+# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small
+# doxygen will become slower. If the cache is too large, memory is wasted. The
+# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range
+# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536
+# symbols. At the end of a run doxygen will report the cache usage and suggest
+# the optimal cache size from a speed point of view.
+# Minimum value: 0, maximum value: 9, default value: 0.
+
+LOOKUP_CACHE_SIZE      = 0
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+# If the EXTRACT_ALL tag is set to YES, doxygen will assume all entities in
+# documentation are documented, even if no documentation was available. Private
+# class members and static file members will be hidden unless the
+# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES.
+# Note: This will also disable the warnings about undocumented members that are
+# normally produced when WARNINGS is set to YES.
+# The default value is: NO.
+
+EXTRACT_ALL            = NO
+
+# If the EXTRACT_PRIVATE tag is set to YES, all private members of a class will
+# be included in the documentation.
+# The default value is: NO.
+
+EXTRACT_PRIVATE        = NO
+
+# If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal
+# scope will be included in the documentation.
+# The default value is: NO.
+
+EXTRACT_PACKAGE        = NO
+
+# If the EXTRACT_STATIC tag is set to YES, all static members of a file will be
+# included in the documentation.
+# The default value is: NO.
+
+EXTRACT_STATIC         = NO
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES, classes (and structs) defined
+# locally in source files will be included in the documentation. If set to NO,
+# only classes defined in header files are included. Does not have any effect
+# for Java sources.
+# The default value is: YES.
+
+EXTRACT_LOCAL_CLASSES  = YES
+
+# This flag is only useful for Objective-C code. If set to YES, local methods,
+# which are defined in the implementation section but not in the interface are
+# included in the documentation. If set to NO, only methods in the interface are
+# included.
+# The default value is: NO.
+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be
+# extracted and appear in the documentation as a namespace called
+# 'anonymous_namespace{file}', where file will be replaced with the base name of
+# the file that contains the anonymous namespace. By default anonymous namespace
+# are hidden.
+# The default value is: NO.
+
+EXTRACT_ANON_NSPACES   = NO
+
+# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all
+# undocumented members inside documented classes or files. If set to NO these
+# members will be included in the various overviews, but no documentation
+# section is generated. This option has no effect if EXTRACT_ALL is enabled.
+# The default value is: NO.
+
+HIDE_UNDOC_MEMBERS     = NO
+
+# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all
+# undocumented classes that are normally visible in the class hierarchy. If set
+# to NO, these classes will be included in the various overviews. This option
+# has no effect if EXTRACT_ALL is enabled.
+# The default value is: NO.
+
+HIDE_UNDOC_CLASSES     = NO
+
+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend
+# (class|struct|union) declarations. If set to NO, these declarations will be
+# included in the documentation.
+# The default value is: NO.
+
+HIDE_FRIEND_COMPOUNDS  = NO
+
+# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any
+# documentation blocks found inside the body of a function. If set to NO, these
+# blocks will be appended to the function's detailed documentation block.
+# The default value is: NO.
+
+HIDE_IN_BODY_DOCS      = NO
+
+# The INTERNAL_DOCS tag determines if documentation that is typed after a
+# \internal command is included. If the tag is set to NO then the documentation
+# will be excluded. Set it to YES to include the internal documentation.
+# The default value is: NO.
+
+INTERNAL_DOCS          = NO
+
+# If the CASE_SENSE_NAMES tag is set to NO then doxygen will only generate file
+# names in lower-case letters. If set to YES, upper-case letters are also
+# allowed. This is useful if you have classes or files whose names only differ
+# in case and if your file system supports case sensitive file names. Windows
+# and Mac users are advised to set this option to NO.
+# The default value is: system dependent.
+
+CASE_SENSE_NAMES       = YES
+
+# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with
+# their full class and namespace scopes in the documentation. If set to YES, the
+# scope will be hidden.
+# The default value is: NO.
+
+HIDE_SCOPE_NAMES       = NO
+
+# If the HIDE_COMPOUND_REFERENCE tag is set to NO (default) then doxygen will
+# append additional text to a page's title, such as Class Reference. If set to
+# YES the compound reference will be hidden.
+# The default value is: NO.
+
+HIDE_COMPOUND_REFERENCE= NO
+
+# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of
+# the files that are included by a file in the documentation of that file.
+# The default value is: YES.
+
+SHOW_INCLUDE_FILES     = YES
+
+# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each
+# grouped member an include statement to the documentation, telling the reader
+# which file to include in order to use the member.
+# The default value is: NO.
+
+SHOW_GROUPED_MEMB_INC  = NO
+
+# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include
+# files with double quotes in the documentation rather than with sharp brackets.
+# The default value is: NO.
+
+FORCE_LOCAL_INCLUDES   = NO
+
+# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the
+# documentation for inline members.
+# The default value is: YES.
+
+INLINE_INFO            = YES
+
+# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the
+# (detailed) documentation of file and class members alphabetically by member
+# name. If set to NO, the members will appear in declaration order.
+# The default value is: YES.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief
+# descriptions of file, namespace and class members alphabetically by member
+# name. If set to NO, the members will appear in declaration order. Note that
+# this will also influence the order of the classes in the class list.
+# The default value is: NO.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the
+# (brief and detailed) documentation of class members so that constructors and
+# destructors are listed first. If set to NO the constructors will appear in the
+# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS.
+# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief
+# member documentation.
+# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting
+# detailed member documentation.
+# The default value is: NO.
+
+SORT_MEMBERS_CTORS_1ST = NO
+
+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy
+# of group names into alphabetical order. If set to NO the group names will
+# appear in their defined order.
+# The default value is: NO.
+
+SORT_GROUP_NAMES       = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by
+# fully-qualified names, including namespaces. If set to NO, the class list will
+# be sorted only by class name, not including the namespace part.
+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
+# Note: This option applies only to the class list, not to the alphabetical
+# list.
+# The default value is: NO.
+
+SORT_BY_SCOPE_NAME     = NO
+
+# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper
+# type resolution of all parameters of a function it will reject a match between
+# the prototype and the implementation of a member function even if there is
+# only one candidate or it is obvious which candidate to choose by doing a
+# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still
+# accept a match between prototype and implementation in such cases.
+# The default value is: NO.
+
+STRICT_PROTO_MATCHING  = NO
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or disable (NO) the todo
+# list. This list is created by putting \todo commands in the documentation.
+# The default value is: YES.
+
+GENERATE_TODOLIST      = YES
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or disable (NO) the test
+# list. This list is created by putting \test commands in the documentation.
+# The default value is: YES.
+
+GENERATE_TESTLIST      = YES
+
+# The GENERATE_BUGLIST tag can be used to enable (YES) or disable (NO) the bug
+# list. This list is created by putting \bug commands in the documentation.
+# The default value is: YES.
+
+GENERATE_BUGLIST       = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or disable (NO)
+# the deprecated list. This list is created by putting \deprecated commands in
+# the documentation.
+# The default value is: YES.
+
+GENERATE_DEPRECATEDLIST= YES
+
+# The ENABLED_SECTIONS tag can be used to enable conditional documentation
+# sections, marked by \if <section_label> ... \endif and \cond <section_label>
+# ... \endcond blocks.
+
+ENABLED_SECTIONS       =
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the
+# initial value of a variable or macro / define can have for it to appear in the
+# documentation. If the initializer consists of more lines than specified here
+# it will be hidden. Use a value of 0 to hide initializers completely. The
+# appearance of the value of individual variables and macros / defines can be
+# controlled using \showinitializer or \hideinitializer command in the
+# documentation regardless of this setting.
+# Minimum value: 0, maximum value: 10000, default value: 30.
+
+MAX_INITIALIZER_LINES  = 30
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at
+# the bottom of the documentation of classes and structs. If set to YES, the
+# list will mention the files that were used to generate the documentation.
+# The default value is: YES.
+
+SHOW_USED_FILES        = YES
+
+# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This
+# will remove the Files entry from the Quick Index and from the Folder Tree View
+# (if specified).
+# The default value is: YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces
+# page. This will remove the Namespaces entry from the Quick Index and from the
+# Folder Tree View (if specified).
+# The default value is: YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that
+# doxygen should invoke to get the current version for each file (typically from
+# the version control system). Doxygen will invoke the program by executing (via
+# popen()) the command command input-file, where command is the value of the
+# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided
+# by doxygen. Whatever the program writes to standard output is used as the file
+# version. For an example see the documentation.
+
+FILE_VERSION_FILTER    =
+
+# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
+# by doxygen. The layout file controls the global structure of the generated
+# output files in an output format independent way. To create the layout file
+# that represents doxygen's defaults, run doxygen with the -l option. You can
+# optionally specify a file name after the option, if omitted DoxygenLayout.xml
+# will be used as the name of the layout file.
+#
+# Note that if you run doxygen from a directory containing a file called
+# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE
+# tag is left empty.
+
+LAYOUT_FILE            =
+
+# The CITE_BIB_FILES tag can be used to specify one or more bib files containing
+# the reference definitions. This must be a list of .bib files. The .bib
+# extension is automatically appended if omitted. This requires the bibtex tool
+# to be installed. See also http://en.wikipedia.org/wiki/BibTeX for more info.
+# For LaTeX the style of the bibliography can be controlled using
+# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
+# search path. See also \cite for info how to create references.
+
+CITE_BIB_FILES         =
+
+#---------------------------------------------------------------------------
+# Configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated to
+# standard output by doxygen. If QUIET is set to YES this implies that the
+# messages are off.
+# The default value is: NO.
+
+QUIET                  = YES
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are
+# generated to standard error (stderr) by doxygen. If WARNINGS is set to YES
+# this implies that the warnings are on.
+#
+# Tip: Turn warnings on while writing the documentation.
+# The default value is: YES.
+
+WARNINGS               = YES
+
+# If the WARN_IF_UNDOCUMENTED tag is set to YES then doxygen will generate
+# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag
+# will automatically be disabled.
+# The default value is: YES.
+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for
+# potential errors in the documentation, such as not documenting some parameters
+# in a documented function, or documenting parameters that don't exist or using
+# markup commands wrongly.
+# The default value is: YES.
+
+WARN_IF_DOC_ERROR      = YES
+
+# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
+# are documented, but have no documentation for their parameters or return
+# value. If set to NO, doxygen will only warn about wrong or incomplete
+# parameter documentation, but not about the absence of documentation.
+# The default value is: NO.
+
+WARN_NO_PARAMDOC       = YES
+
+# If the WARN_AS_ERROR tag is set to YES then doxygen will immediately stop when
+# a warning is encountered.
+# The default value is: NO.
+
+WARN_AS_ERROR          = NO
+
+# The WARN_FORMAT tag determines the format of the warning messages that doxygen
+# can produce. The string should contain the $file, $line, and $text tags, which
+# will be replaced by the file and line number from which the warning originated
+# and the warning text. Optionally the format may contain $version, which will
+# be replaced by the version of the file (if it could be obtained via
+# FILE_VERSION_FILTER)
+# The default value is: $file:$line: $text.
+
+WARN_FORMAT            = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning and error
+# messages should be written. If left blank the output is written to standard
+# error (stderr).
+
+WARN_LOGFILE           =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag is used to specify the files and/or directories that contain
+# documented source files. You may enter file names like myfile.cpp or
+# directories like /usr/src/myproject. Separate the files or directories with
+# spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
+# Note: If this tag is empty the current directory is searched.
+
+INPUT                  = "./mainpage.h" "../src" "../include/tinyalsa"
+
+# This tag can be used to specify the character encoding of the source files
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
+# libiconv (or the iconv built into libc) for the transcoding. See the libiconv
+# documentation (see: http://www.gnu.org/software/libiconv) for the list of
+# possible encodings.
+# The default value is: UTF-8.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the
+# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and
+# *.h) to filter out the source-files in the directories.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# read by doxygen.
+#
+# If left blank the following patterns are tested:*.c, *.cc, *.cxx, *.cpp,
+# *.c++, *.java, *.ii, *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h,
+# *.hh, *.hxx, *.hpp, *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc,
+# *.m, *.markdown, *.md, *.mm, *.dox, *.py, *.pyw, *.f90, *.f, *.for, *.tcl,
+# *.vhd, *.vhdl, *.ucf, *.qsf, *.as and *.js.
+
+FILE_PATTERNS          = "*.c" "*.h"
+
+# The RECURSIVE tag can be used to specify whether or not subdirectories should
+# be searched for input files as well.
+# The default value is: NO.
+
+RECURSIVE              = NO
+
+# The EXCLUDE tag can be used to specify files and/or directories that should be
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+#
+# Note that relative paths are relative to the directory from which doxygen is
+# run.
+
+EXCLUDE                =
+
+# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
+# directories that are symbolic links (a Unix file system feature) are excluded
+# from the input.
+# The default value is: NO.
+
+EXCLUDE_SYMLINKS       = NO
+
+# If the value of the INPUT tag contains directories, you can use the
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
+# certain files from those directories.
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       =
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
+# (namespaces, classes, functions, etc.) that should be excluded from the
+# output. The symbol name can be a fully qualified name, a word, or if the
+# wildcard * is used, a substring. Examples: ANamespace, AClass,
+# AClass::ANamespace, ANamespace::*Test
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories use the pattern */test/*
+
+EXCLUDE_SYMBOLS        =
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or directories
+# that contain example code fragments that are included (see the \include
+# command).
+
+EXAMPLE_PATH           =
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
+# *.h) to filter out the source-files in the directories. If left blank all
+# files are included.
+
+EXAMPLE_PATTERNS       =
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
+# searched for input files to be used with the \include or \dontinclude commands
+# irrespective of the value of the RECURSIVE tag.
+# The default value is: NO.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or directories
+# that contain images that are to be included in the documentation (see the
+# \image command).
+
+IMAGE_PATH             =
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should
+# invoke to filter for each input file. Doxygen will invoke the filter program
+# by executing (via popen()) the command:
+#
+# <filter> <input-file>
+#
+# where <filter> is the value of the INPUT_FILTER tag, and <input-file> is the
+# name of an input file. Doxygen will then use the output that the filter
+# program writes to standard output. If FILTER_PATTERNS is specified, this tag
+# will be ignored.
+#
+# Note that the filter must not add or remove lines; it is applied before the
+# code is scanned, but not when the output code is generated. If lines are added
+# or removed, the anchors will not be placed correctly.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# properly processed by doxygen.
+
+INPUT_FILTER           =
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
+# basis. Doxygen will compare the file name with each pattern and apply the
+# filter if there is a match. The filters are a list of the form: pattern=filter
+# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how
+# filters are used. If the FILTER_PATTERNS tag is empty or if none of the
+# patterns match the file name, INPUT_FILTER is applied.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# properly processed by doxygen.
+
+FILTER_PATTERNS        =
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
+# INPUT_FILTER) will also be used to filter the input files that are used for
+# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES).
+# The default value is: NO.
+
+FILTER_SOURCE_FILES    = NO
+
+# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
+# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and
+# it is also possible to disable source filtering for a specific pattern using
+# *.ext= (so without naming a filter).
+# This tag requires that the tag FILTER_SOURCE_FILES is set to YES.
+
+FILTER_SOURCE_PATTERNS =
+
+# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that
+# is part of the input, its contents will be placed on the main page
+# (index.html). This can be useful if you have a project on for instance GitHub
+# and want to reuse the introduction page also for the doxygen output.
+
+USE_MDFILE_AS_MAINPAGE =
+
+#---------------------------------------------------------------------------
+# Configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will be
+# generated. Documented entities will be cross-referenced with these sources.
+#
+# Note: To get rid of all source code in the generated output, make sure that
+# also VERBATIM_HEADERS is set to NO.
+# The default value is: NO.
+
+SOURCE_BROWSER         = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body of functions,
+# classes and enums directly into the documentation.
+# The default value is: NO.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any
+# special comment blocks from generated source code fragments. Normal C, C++ and
+# Fortran comments will always remain visible.
+# The default value is: YES.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES then for each documented
+# function all documented functions referencing it will be listed.
+# The default value is: NO.
+
+REFERENCED_BY_RELATION = NO
+
+# If the REFERENCES_RELATION tag is set to YES then for each documented function
+# all documented entities called/used by that function will be listed.
+# The default value is: NO.
+
+REFERENCES_RELATION    = NO
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set
+# to YES then the hyperlinks from functions in REFERENCES_RELATION and
+# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will
+# link to the documentation.
+# The default value is: YES.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the
+# source code will show a tooltip with additional information such as prototype,
+# brief description and links to the definition and documentation. Since this
+# will make the HTML file larger and loading of large files a bit slower, you
+# can opt to disable this feature.
+# The default value is: YES.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+SOURCE_TOOLTIPS        = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code will
+# point to the HTML generated by the htags(1) tool instead of doxygen built-in
+# source browser. The htags tool is part of GNU's global source tagging system
+# (see http://www.gnu.org/software/global/global.html). You will need version
+# 4.8.6 or higher.
+#
+# To use it do the following:
+# - Install the latest version of global
+# - Enable SOURCE_BROWSER and USE_HTAGS in the config file
+# - Make sure the INPUT points to the root of the source tree
+# - Run doxygen as normal
+#
+# Doxygen will invoke htags (and that will in turn invoke gtags), so these
+# tools must be available from the command line (i.e. in the search path).
+#
+# The result: instead of the source browser generated by doxygen, the links to
+# source code will now point to the output of htags.
+# The default value is: NO.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a
+# verbatim copy of the header file for each class for which an include is
+# specified. Set to NO to disable this.
+# See also: Section \class.
+# The default value is: YES.
+
+VERBATIM_HEADERS       = YES
+
+# If the CLANG_ASSISTED_PARSING tag is set to YES then doxygen will use the
+# clang parser (see: http://clang.llvm.org/) for more accurate parsing at the
+# cost of reduced performance. This can be particularly helpful with template
+# rich C++ code for which doxygen's built-in parser lacks the necessary type
+# information.
+# Note: The availability of this option depends on whether or not doxygen was
+# generated with the -Duse-libclang=ON option for CMake.
+# The default value is: NO.
+
+CLANG_ASSISTED_PARSING =
+
+# If clang assisted parsing is enabled you can provide the compiler with command
+# line options that you would normally use when invoking the compiler. Note that
+# the include paths will already be set by doxygen for the files and directories
+# specified with INPUT and INCLUDE_PATH.
+# This tag requires that the tag CLANG_ASSISTED_PARSING is set to YES.
+
+CLANG_OPTIONS          =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all
+# compounds will be generated. Enable this if the project contains a lot of
+# classes, structs, unions or interfaces.
+# The default value is: YES.
+
+ALPHABETICAL_INDEX     = YES
+
+# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in
+# which the alphabetical index list will be split.
+# Minimum value: 1, maximum value: 20, default value: 5.
+# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
+
+COLS_IN_ALPHA_INDEX    = 5
+
+# In case all classes in a project start with a common prefix, all classes will
+# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag
+# can be used to specify a prefix (or a list of prefixes) that should be ignored
+# while generating the index headers.
+# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
+
+IGNORE_PREFIX          =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES, doxygen will generate HTML output
+# The default value is: YES.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_OUTPUT            = html
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
+# generated HTML page (for example: .htm, .php, .asp).
+# The default value is: .html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a user-defined HTML header file for
+# each generated HTML page. If the tag is left blank doxygen will generate a
+# standard header.
+#
+# To get valid HTML the header file that includes any scripts and style sheets
+# that doxygen needs, which is dependent on the configuration options used (e.g.
+# the setting GENERATE_TREEVIEW). It is highly recommended to start with a
+# default header using
+# doxygen -w html new_header.html new_footer.html new_stylesheet.css
+# YourConfigFile
+# and then modify the file new_header.html. See also section "Doxygen usage"
+# for information on how to generate the default header that doxygen normally
+# uses.
+# Note: The header is subject to change so you typically have to regenerate the
+# default header when upgrading to a newer version of doxygen. For a description
+# of the possible markers and block names see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_HEADER            =
+
+# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each
+# generated HTML page. If the tag is left blank doxygen will generate a standard
+# footer. See HTML_HEADER for more information on how to generate a default
+# footer and what special commands can be used inside the footer. See also
+# section "Doxygen usage" for information on how to generate the default footer
+# that doxygen normally uses.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FOOTER            =
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style
+# sheet that is used by each HTML page. It can be used to fine-tune the look of
+# the HTML output. If left blank doxygen will generate a default style sheet.
+# See also section "Doxygen usage" for information on how to generate the style
+# sheet that doxygen normally uses.
+# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as
+# it is more robust and this tag (HTML_STYLESHEET) will in the future become
+# obsolete.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_STYLESHEET        =
+
+# The HTML_EXTRA_STYLESHEET tag can be used to specify additional user-defined
+# cascading style sheets that are included after the standard style sheets
+# created by doxygen. Using this option one can overrule certain style aspects.
+# This is preferred over using HTML_STYLESHEET since it does not replace the
+# standard style sheet and is therefore more robust against future updates.
+# Doxygen will copy the style sheet files to the output directory.
+# Note: The order of the extra style sheet files is of importance (e.g. the last
+# style sheet in the list overrules the setting of the previous ones in the
+# list). For an example see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_STYLESHEET  =
+
+# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the HTML output directory. Note
+# that these files will be copied to the base HTML output directory. Use the
+# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
+# files. In the HTML_STYLESHEET file, use the file name only. Also note that the
+# files will be copied as-is; there are no commands or markers available.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_FILES       =
+
+# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
+# will adjust the colors in the style sheet and background images according to
+# this color. Hue is specified as an angle on a colorwheel, see
+# http://en.wikipedia.org/wiki/Hue for more information. For instance the value
+# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300
+# purple, and 360 is red again.
+# Minimum value: 0, maximum value: 359, default value: 220.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_HUE    = 220
+
+# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors
+# in the HTML output. For a value of 0 the output will use grayscales only. A
+# value of 255 will produce the most vivid colors.
+# Minimum value: 0, maximum value: 255, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_SAT    = 100
+
+# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the
+# luminance component of the colors in the HTML output. Values below 100
+# gradually make the output lighter, whereas values above 100 make the output
+# darker. The value divided by 100 is the actual gamma applied, so 80 represents
+# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not
+# change the gamma.
+# Minimum value: 40, maximum value: 240, default value: 80.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_GAMMA  = 80
+
+# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
+# page will contain the date and time when the page was generated. Setting this
+# to YES can help to show when doxygen was last run and thus if the
+# documentation is up to date.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_TIMESTAMP         = NO
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
+# documentation will contain sections that can be hidden and shown after the
+# page has loaded.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries
+# shown in the various tree structured indices initially; the user can expand
+# and collapse entries dynamically later on. Doxygen will expand the tree to
+# such a level that at most the specified number of entries are visible (unless
+# a fully collapsed tree already exceeds this amount). So setting the number of
+# entries 1 will produce a full collapsed tree by default. 0 is a special value
+# representing an infinite number of entries and will result in a full expanded
+# tree by default.
+# Minimum value: 0, maximum value: 9999, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_INDEX_NUM_ENTRIES = 100
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files will be
+# generated that can be used as input for Apple's Xcode 3 integrated development
+# environment (see: http://developer.apple.com/tools/xcode/), introduced with
+# OSX 10.5 (Leopard). To create a documentation set, doxygen will generate a
+# Makefile in the HTML output directory. Running make will produce the docset in
+# that directory and running make install will install the docset in
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at
+# startup. See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html
+# for more information.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_DOCSET        = NO
+
+# This tag determines the name of the docset feed. A documentation feed provides
+# an umbrella under which multiple documentation sets from a single provider
+# (such as a company or product suite) can be grouped.
+# The default value is: Doxygen generated docs.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+
+# This tag specifies a string that should uniquely identify the documentation
+# set bundle. This should be a reverse domain-name style string, e.g.
+# com.mycompany.MyDocSet. Doxygen will append .docset to the name.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+
+# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify
+# the documentation publisher. This should be a reverse domain-name style
+# string, e.g. com.mycompany.MyDocSet.documentation.
+# The default value is: org.doxygen.Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
+
+# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher.
+# The default value is: Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_NAME  = Publisher
+
+# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three
+# additional HTML index files: index.hhp, index.hhc, and index.hhk. The
+# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop
+# (see: http://www.microsoft.com/en-us/download/details.aspx?id=21138) on
+# Windows.
+#
+# The HTML Help Workshop contains a compiler that can convert all HTML output
+# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML
+# files are now used as the Windows 98 help format, and will replace the old
+# Windows help format (.hlp) on all Windows platforms in the future. Compressed
+# HTML files also contain an index, a table of contents, and you can search for
+# words in the documentation. The HTML workshop also contains a viewer for
+# compressed HTML files.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_HTMLHELP      = NO
+
+# The CHM_FILE tag can be used to specify the file name of the resulting .chm
+# file. You can add a path in front of the file if the result should not be
+# written to the html output directory.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_FILE               =
+
+# The HHC_LOCATION tag can be used to specify the location (absolute path
+# including file name) of the HTML help compiler (hhc.exe). If non-empty,
+# doxygen will try to run the HTML help compiler on the generated index.hhp.
+# The file has to be specified with full path.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+HHC_LOCATION           =
+
+# The GENERATE_CHI flag controls if a separate .chi index file is generated
+# (YES) or that it should be included in the master .chm file (NO).
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+GENERATE_CHI           = NO
+
+# The CHM_INDEX_ENCODING is used to encode HtmlHelp index (hhk), content (hhc)
+# and project file content.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_INDEX_ENCODING     =
+
+# The BINARY_TOC flag controls whether a binary table of contents is generated
+# (YES) or a normal table of contents (NO) in the .chm file. Furthermore it
+# enables the Previous and Next buttons.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members to
+# the table of contents of the HTML help documentation and to the tree view.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+TOC_EXPAND             = NO
+
+# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
+# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that
+# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help
+# (.qch) of the generated HTML documentation.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_QHP           = NO
+
+# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify
+# the file name of the resulting .qch file. The path specified is relative to
+# the HTML output folder.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QCH_FILE               =
+
+# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help
+# Project output. For more information please see Qt Help Project / Namespace
+# (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#namespace).
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_NAMESPACE          = org.doxygen.Project
+
+# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt
+# Help Project output. For more information please see Qt Help Project / Virtual
+# Folders (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#virtual-
+# folders).
+# The default value is: doc.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_VIRTUAL_FOLDER     = doc
+
+# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom
+# filter to add. For more information please see Qt Help Project / Custom
+# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
+# filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_NAME   =
+
+# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the
+# custom filter to add. For more information please see Qt Help Project / Custom
+# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-
+# filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_ATTRS  =
+
+# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
+# project's filter section matches. Qt Help Project / Filter Attributes (see:
+# http://qt-project.org/doc/qt-4.8/qthelpproject.html#filter-attributes).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_SECT_FILTER_ATTRS  =
+
+# The QHG_LOCATION tag can be used to specify the location of Qt's
+# qhelpgenerator. If non-empty doxygen will try to run qhelpgenerator on the
+# generated .qhp file.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHG_LOCATION           =
+
+# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be
+# generated, together with the HTML files, they form an Eclipse help plugin. To
+# install this plugin and make it available under the help contents menu in
+# Eclipse, the contents of the directory containing the HTML and XML files needs
+# to be copied into the plugins directory of eclipse. The name of the directory
+# within the plugins directory should be the same as the ECLIPSE_DOC_ID value.
+# After copying Eclipse needs to be restarted before the help appears.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_ECLIPSEHELP   = NO
+
+# A unique identifier for the Eclipse help plugin. When installing the plugin
+# the directory name containing the HTML and XML files should also have this
+# name. Each documentation set should have its own identifier.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES.
+
+ECLIPSE_DOC_ID         = org.doxygen.Project
+
+# If you want full control over the layout of the generated HTML pages it might
+# be necessary to disable the index and replace it with your own. The
+# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top
+# of each HTML page. A value of NO enables the index and the value YES disables
+# it. Since the tabs in the index contain the same information as the navigation
+# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+DISABLE_INDEX          = NO
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
+# structure should be generated to display hierarchical information. If the tag
+# value is set to YES, a side panel will be generated containing a tree-like
+# index structure (just like the one that is generated for HTML Help). For this
+# to work a browser that supports JavaScript, DHTML, CSS and frames is required
+# (i.e. any modern browser). Windows users are probably better off using the
+# HTML help feature. Via custom style sheets (see HTML_EXTRA_STYLESHEET) one can
+# further fine-tune the look of the index. As an example, the default style
+# sheet generated by doxygen has an example that shows how to put an image at
+# the root of the tree instead of the PROJECT_NAME. Since the tree basically has
+# the same information as the tab index, you could consider setting
+# DISABLE_INDEX to YES when enabling this option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_TREEVIEW      = NO
+
+# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
+# doxygen will group on one line in the generated HTML documentation.
+#
+# Note that a value of 0 will completely suppress the enum values from appearing
+# in the overview section.
+# Minimum value: 0, maximum value: 20, default value: 4.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used
+# to set the initial width (in pixels) of the frame in which the tree is shown.
+# Minimum value: 0, maximum value: 1500, default value: 250.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+TREEVIEW_WIDTH         = 250
+
+# If the EXT_LINKS_IN_WINDOW option is set to YES, doxygen will open links to
+# external symbols imported via tag files in a separate window.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+EXT_LINKS_IN_WINDOW    = NO
+
+# Use this tag to change the font size of LaTeX formulas included as images in
+# the HTML documentation. When you change the font size after a successful
+# doxygen run you need to manually remove any form_*.png images from the HTML
+# output directory to force them to be regenerated.
+# Minimum value: 8, maximum value: 50, default value: 10.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_FONTSIZE       = 10
+
+# Use the FORMULA_TRANPARENT tag to determine whether or not the images
+# generated for formulas are transparent PNGs. Transparent PNGs are not
+# supported properly for IE 6.0, but are supported on all modern browsers.
+#
+# Note that when changing this option you need to delete any form_*.png files in
+# the HTML output directory before the changes have effect.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_TRANSPARENT    = YES
+
+# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
+# http://www.mathjax.org) which uses client side Javascript for the rendering
+# instead of using pre-rendered bitmaps. Use this if you do not have LaTeX
+# installed or if you want to formulas look prettier in the HTML output. When
+# enabled you may also need to install MathJax separately and configure the path
+# to it using the MATHJAX_RELPATH option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+USE_MATHJAX            = NO
+
+# When MathJax is enabled you can set the default output format to be used for
+# the MathJax output. See the MathJax site (see:
+# http://docs.mathjax.org/en/latest/output.html) for more details.
+# Possible values are: HTML-CSS (which is slower, but has the best
+# compatibility), NativeMML (i.e. MathML) and SVG.
+# The default value is: HTML-CSS.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_FORMAT         = HTML-CSS
+
+# When MathJax is enabled you need to specify the location relative to the HTML
+# output directory using the MATHJAX_RELPATH option. The destination directory
+# should contain the MathJax.js script. For instance, if the mathjax directory
+# is located at the same level as the HTML output directory, then
+# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax
+# Content Delivery Network so you can quickly see the result without installing
+# MathJax. However, it is strongly recommended to install a local copy of
+# MathJax from http://www.mathjax.org before deployment.
+# The default value is: http://cdn.mathjax.org/mathjax/latest.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
+
+# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax
+# extension names that should be enabled during MathJax rendering. For example
+# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_EXTENSIONS     =
+
+# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces
+# of code that will be used on startup of the MathJax code. See the MathJax site
+# (see: http://docs.mathjax.org/en/latest/output.html) for more details. For an
+# example see the documentation.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_CODEFILE       =
+
+# When the SEARCHENGINE tag is enabled doxygen will generate a search box for
+# the HTML output. The underlying search engine uses javascript and DHTML and
+# should work on any modern browser. Note that when using HTML help
+# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET)
+# there is already a search function so this one should typically be disabled.
+# For large projects the javascript based search engine can be slow, then
+# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to
+# search using the keyboard; to jump to the search box use <access key> + S
+# (what the <access key> is depends on the OS and browser, but it is typically
+# <CTRL>, <ALT>/<option>, or both). Inside the search box use the <cursor down
+# key> to jump into the search results window, the results can be navigated
+# using the <cursor keys>. Press <Enter> to select an item or <escape> to cancel
+# the search. The filter options can be selected when the cursor is inside the
+# search box by pressing <Shift>+<cursor down>. Also here use the <cursor keys>
+# to select a filter and <Enter> or <escape> to activate or cancel the filter
+# option.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+SEARCHENGINE           = YES
+
+# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
+# implemented using a web server instead of a web client using Javascript. There
+# are two flavors of web server based searching depending on the EXTERNAL_SEARCH
+# setting. When disabled, doxygen will generate a PHP script for searching and
+# an index file used by the script. When EXTERNAL_SEARCH is enabled the indexing
+# and searching needs to be provided by external tools. See the section
+# "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SERVER_BASED_SEARCH    = NO
+
+# When EXTERNAL_SEARCH tag is enabled doxygen will no longer generate the PHP
+# script for searching. Instead the search results are written to an XML file
+# which needs to be processed by an external indexer. Doxygen will invoke an
+# external search engine pointed to by the SEARCHENGINE_URL option to obtain the
+# search results.
+#
+# Doxygen ships with an example indexer (doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see: http://xapian.org/).
+#
+# See the section "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH        = NO
+
+# The SEARCHENGINE_URL should point to a search engine hosted by a web server
+# which will return the search results when EXTERNAL_SEARCH is enabled.
+#
+# Doxygen ships with an example indexer (doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see: http://xapian.org/). See the section "External Indexing and
+# Searching" for details.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHENGINE_URL       =
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed
+# search data is written to a file for indexing by an external tool. With the
+# SEARCHDATA_FILE tag the name of this file can be specified.
+# The default file is: searchdata.xml.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHDATA_FILE        = searchdata.xml
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the
+# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is
+# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple
+# projects and redirect the results back to the right project.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH_ID     =
+
+# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen
+# projects other than the one defined by this configuration file, but that are
+# all added to the same external search index. Each project needs to have a
+# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id of
+# to a relative location where the documentation can be found. The format is:
+# EXTRA_SEARCH_MAPPINGS = tagname1=loc1 tagname2=loc2 ...
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTRA_SEARCH_MAPPINGS  =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES, doxygen will generate LaTeX output.
+# The default value is: YES.
+
+GENERATE_LATEX         = NO
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: latex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
+# invoked.
+#
+# Note that when enabling USE_PDFLATEX this option is only used for generating
+# bitmaps for formulas in the HTML output, but not in the Makefile that is
+# written to the output directory.
+# The default file is: latex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to generate
+# index for LaTeX.
+# The default file is: makeindex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# If the COMPACT_LATEX tag is set to YES, doxygen generates more compact LaTeX
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+COMPACT_LATEX          = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used by the
+# printer.
+# Possible values are: a4 (210 x 297 mm), letter (8.5 x 11 inches), legal (8.5 x
+# 14 inches) and executive (7.25 x 10.5 inches).
+# The default value is: a4.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PAPER_TYPE             = a4
+
+# The EXTRA_PACKAGES tag can be used to specify one or more LaTeX package names
+# that should be included in the LaTeX output. The package can be specified just
+# by its name or with the correct syntax as to be used with the LaTeX
+# \usepackage command. To get the times font for instance you can specify :
+# EXTRA_PACKAGES=times or EXTRA_PACKAGES={times}
+# To use the option intlimits with the amsmath package you can specify:
+# EXTRA_PACKAGES=[intlimits]{amsmath}
+# If left blank no extra packages will be included.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+EXTRA_PACKAGES         =
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for the
+# generated LaTeX document. The header should contain everything until the first
+# chapter. If it is left blank doxygen will generate a standard header. See
+# section "Doxygen usage" for information on how to let doxygen write the
+# default header to a separate file.
+#
+# Note: Only use a user-defined header if you know what you are doing! The
+# following commands have a special meaning inside the header: $title,
+# $datetime, $date, $doxygenversion, $projectname, $projectnumber,
+# $projectbrief, $projectlogo. Doxygen will replace $title with the empty
+# string, for the replacement values of the other commands the user is referred
+# to HTML_HEADER.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HEADER           =
+
+# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for the
+# generated LaTeX document. The footer should contain everything after the last
+# chapter. If it is left blank doxygen will generate a standard footer. See
+# LATEX_HEADER for more information on how to generate a default footer and what
+# special commands can be used inside the footer.
+#
+# Note: Only use a user-defined footer if you know what you are doing!
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_FOOTER           =
+
+# The LATEX_EXTRA_STYLESHEET tag can be used to specify additional user-defined
+# LaTeX style sheets that are included after the standard style sheets created
+# by doxygen. Using this option one can overrule certain style aspects. Doxygen
+# will copy the style sheet files to the output directory.
+# Note: The order of the extra style sheet files is of importance (e.g. the last
+# style sheet in the list overrules the setting of the previous ones in the
+# list).
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EXTRA_STYLESHEET =
+
+# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the LATEX_OUTPUT output
+# directory. Note that the files will be copied as-is; there are no commands or
+# markers available.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EXTRA_FILES      =
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated is
+# prepared for conversion to PDF (using ps2pdf or pdflatex). The PDF file will
+# contain links (just like the HTML output) instead of page references. This
+# makes the output suitable for online browsing using a PDF viewer.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PDF_HYPERLINKS         = YES
+
+# If the USE_PDFLATEX tag is set to YES, doxygen will use pdflatex to generate
+# the PDF file directly from the LaTeX files. Set this option to YES, to get a
+# higher quality PDF documentation.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \batchmode
+# command to the generated LaTeX files. This will instruct LaTeX to keep running
+# if errors occur, instead of asking the user for help. This option is also used
+# when generating formulas in HTML.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BATCHMODE        = NO
+
+# If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the
+# index chapters (such as File Index, Compound Index, etc.) in the output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HIDE_INDICES     = NO
+
+# If the LATEX_SOURCE_CODE tag is set to YES then doxygen will include source
+# code with syntax highlighting in the LaTeX output.
+#
+# Note that which sources are shown also depends on other settings such as
+# SOURCE_BROWSER.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_SOURCE_CODE      = NO
+
+# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
+# bibliography, e.g. plainnat, or ieeetr. See
+# http://en.wikipedia.org/wiki/BibTeX and \cite for more info.
+# The default value is: plain.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BIB_STYLE        = plain
+
+# If the LATEX_TIMESTAMP tag is set to YES then the footer of each generated
+# page will contain the date and time when the page was generated. Setting this
+# to NO can help when comparing the output of multiple runs.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_TIMESTAMP        = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES, doxygen will generate RTF output. The
+# RTF output is optimized for Word 97 and may not look too pretty with other RTF
+# readers/editors.
+# The default value is: NO.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: rtf.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES, doxygen generates more compact RTF
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated will
+# contain hyperlink fields. The RTF file will contain links (just like the HTML
+# output) instead of page references. This makes the output suitable for online
+# browsing using Word or some other Word compatible readers that support those
+# fields.
+#
+# Note: WordPad (write) and others do not support links.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_HYPERLINKS         = NO
+
+# Load stylesheet definitions from file. Syntax is similar to doxygen's config
+# file, i.e. a series of assignments. You only have to provide replacements,
+# missing definitions are set to their default value.
+#
+# See also section "Doxygen usage" for information on how to generate the
+# default style sheet that doxygen normally uses.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_STYLESHEET_FILE    =
+
+# Set optional variables used in the generation of an RTF document. Syntax is
+# similar to doxygen's config file. A template extensions file can be generated
+# using doxygen -e rtf extensionFile.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_EXTENSIONS_FILE    =
+
+# If the RTF_SOURCE_CODE tag is set to YES then doxygen will include source code
+# with syntax highlighting in the RTF output.
+#
+# Note that which sources are shown also depends on other settings such as
+# SOURCE_BROWSER.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_SOURCE_CODE        = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES, doxygen will generate man pages for
+# classes and files.
+# The default value is: NO.
+
+GENERATE_MAN           = YES
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it. A directory man3 will be created inside the directory specified by
+# MAN_OUTPUT.
+# The default directory is: man.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_OUTPUT             = man
+
+# The MAN_EXTENSION tag determines the extension that is added to the generated
+# man pages. In case the manual section does not start with a number, the number
+# 3 is prepended. The dot (.) at the beginning of the MAN_EXTENSION tag is
+# optional.
+# The default value is: .3.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_EXTENSION          = .3
+
+# The MAN_SUBDIR tag determines the name of the directory created within
+# MAN_OUTPUT in which the man pages are placed. If defaults to man followed by
+# MAN_EXTENSION with the initial . removed.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_SUBDIR             =
+
+# If the MAN_LINKS tag is set to YES and doxygen generates man output, then it
+# will generate one additional man file for each entity documented in the real
+# man page(s). These additional files only source the real man page, but without
+# them the man command would be unable to find the correct page.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_LINKS              = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES, doxygen will generate an XML file that
+# captures the structure of the code including all documentation.
+# The default value is: NO.
+
+GENERATE_XML           = NO
+
+# The XML_OUTPUT tag is used to specify where the XML pages will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: xml.
+# This tag requires that the tag GENERATE_XML is set to YES.
+
+XML_OUTPUT             = xml
+
+# If the XML_PROGRAMLISTING tag is set to YES, doxygen will dump the program
+# listings (including syntax highlighting and cross-referencing information) to
+# the XML output. Note that enabling this will significantly increase the size
+# of the XML output.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_XML is set to YES.
+
+XML_PROGRAMLISTING     = YES
+
+#---------------------------------------------------------------------------
+# Configuration options related to the DOCBOOK output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_DOCBOOK tag is set to YES, doxygen will generate Docbook files
+# that can be used to generate PDF.
+# The default value is: NO.
+
+GENERATE_DOCBOOK       = NO
+
+# The DOCBOOK_OUTPUT tag is used to specify where the Docbook pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be put in
+# front of it.
+# The default directory is: docbook.
+# This tag requires that the tag GENERATE_DOCBOOK is set to YES.
+
+DOCBOOK_OUTPUT         = docbook
+
+# If the DOCBOOK_PROGRAMLISTING tag is set to YES, doxygen will include the
+# program listings (including syntax highlighting and cross-referencing
+# information) to the DOCBOOK output. Note that enabling this will significantly
+# increase the size of the DOCBOOK output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_DOCBOOK is set to YES.
+
+DOCBOOK_PROGRAMLISTING = NO
+
+#---------------------------------------------------------------------------
+# Configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES, doxygen will generate an
+# AutoGen Definitions (see http://autogen.sf.net) file that captures the
+# structure of the code including all documentation. Note that this feature is
+# still experimental and incomplete at the moment.
+# The default value is: NO.
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES, doxygen will generate a Perl module
+# file that captures the structure of the code including all documentation.
+#
+# Note that this feature is still experimental and incomplete at the moment.
+# The default value is: NO.
+
+GENERATE_PERLMOD       = NO
+
+# If the PERLMOD_LATEX tag is set to YES, doxygen will generate the necessary
+# Makefile rules, Perl scripts and LaTeX code to be able to generate PDF and DVI
+# output from the Perl module output.
+# The default value is: NO.
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+# This tag requires that the tag GENERATE_PERLMOD is set to YES.
+
+PERLMOD_MAKEVAR_PREFIX =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor
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+
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+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+MACRO_EXPANSION        = NO
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+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+EXPAND_ONLY_PREDEF     = NO
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+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
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+# This tag requires that the tag SEARCH_INCLUDES is set to YES.
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+INCLUDE_PATH           =
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+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
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+INCLUDE_FILE_PATTERNS  =
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+# The PREDEFINED tag can be used to specify one or more macro names that are
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+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
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+PREDEFINED             =
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+# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
+# tag can be used to specify a list of macro names that should be expanded. The
+# macro definition that is found in the sources will be used. Use the PREDEFINED
+# tag if you want to use a different macro definition that overrules the
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+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
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+EXPAND_AS_DEFINED      =
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+# If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will
+# remove all references to function-like macros that are alone on a line, have
+# an all uppercase name, and do not end with a semicolon. Such function macros
+# are typically used for boiler-plate code, and will confuse the parser if not
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+# The default value is: YES.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+SKIP_FUNCTION_MACROS   = YES
+
+#---------------------------------------------------------------------------
+# Configuration options related to external references
+#---------------------------------------------------------------------------
+
+# The TAGFILES tag can be used to specify one or more tag files. For each tag
+# file the location of the external documentation should be added. The format of
+# a tag file without this location is as follows:
+# TAGFILES = file1 file2 ...
+# Adding location for the tag files is done as follows:
+# TAGFILES = file1=loc1 "file2 = loc2" ...
+# where loc1 and loc2 can be relative or absolute paths or URLs. See the
+# section "Linking to external documentation" for more information about the use
+# of tag files.
+# Note: Each tag file must have a unique name (where the name does NOT include
+# the path). If a tag file is not located in the directory in which doxygen is
+# run, you must also specify the path to the tagfile here.
+
+TAGFILES               =
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+# When a file name is specified after GENERATE_TAGFILE, doxygen will create a
+# tag file that is based on the input files it reads. See section "Linking to
+# external documentation" for more information about the usage of tag files.
+
+GENERATE_TAGFILE       =
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+# The default value is: NO.
+
+ALLEXTERNALS           = NO
+
+# If the EXTERNAL_GROUPS tag is set to YES, all external groups will be listed
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+# The default value is: YES.
+
+EXTERNAL_GROUPS        = YES
+
+# If the EXTERNAL_PAGES tag is set to YES, all external pages will be listed in
+# the related pages index. If set to NO, only the current project's pages will
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+# The default value is: YES.
+
+EXTERNAL_PAGES         = YES
+
+# The PERL_PATH should be the absolute path and name of the perl script
+# interpreter (i.e. the result of 'which perl').
+# The default file (with absolute path) is: /usr/bin/perl.
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+PERL_PATH              = /usr/bin/perl
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool
+#---------------------------------------------------------------------------
+
+# If the CLASS_DIAGRAMS tag is set to YES, doxygen will generate a class diagram
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+# NO turns the diagrams off. Note that this option also works with HAVE_DOT
+# disabled, but it is recommended to install and use dot, since it yields more
+# powerful graphs.
+# The default value is: YES.
+
+CLASS_DIAGRAMS         = YES
+
+# You can define message sequence charts within doxygen comments using the \msc
+# command. Doxygen will then run the mscgen tool (see:
+# http://www.mcternan.me.uk/mscgen/)) to produce the chart and insert it in the
+# documentation. The MSCGEN_PATH tag allows you to specify the directory where
+# the mscgen tool resides. If left empty the tool is assumed to be found in the
+# default search path.
+
+MSCGEN_PATH            =
+
+# You can include diagrams made with dia in doxygen documentation. Doxygen will
+# then run dia to produce the diagram and insert it in the documentation. The
+# DIA_PATH tag allows you to specify the directory where the dia binary resides.
+# If left empty dia is assumed to be found in the default search path.
+
+DIA_PATH               =
+
+# If set to YES the inheritance and collaboration graphs will hide inheritance
+# and usage relations if the target is undocumented or is not a class.
+# The default value is: YES.
+
+HIDE_UNDOC_RELATIONS   = YES
+
+# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
+# available from the path. This tool is part of Graphviz (see:
+# http://www.graphviz.org/), a graph visualization toolkit from AT&T and Lucent
+# Bell Labs. The other options in this section have no effect if this option is
+# set to NO
+# The default value is: YES.
+
+HAVE_DOT               = YES
+
+# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed
+# to run in parallel. When set to 0 doxygen will base this on the number of
+# processors available in the system. You can set it explicitly to a value
+# larger than 0 to get control over the balance between CPU load and processing
+# speed.
+# Minimum value: 0, maximum value: 32, default value: 0.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_NUM_THREADS        = 0
+
+# When you want a differently looking font in the dot files that doxygen
+# generates you can specify the font name using DOT_FONTNAME. You need to make
+# sure dot is able to find the font, which can be done by putting it in a
+# standard location or by setting the DOTFONTPATH environment variable or by
+# setting DOT_FONTPATH to the directory containing the font.
+# The default value is: Helvetica.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_FONTNAME           = Helvetica
+
+# The DOT_FONTSIZE tag can be used to set the size (in points) of the font of
+# dot graphs.
+# Minimum value: 4, maximum value: 24, default value: 10.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_FONTSIZE           = 10
+
+# By default doxygen will tell dot to use the default font as specified with
+# DOT_FONTNAME. If you specify a different font using DOT_FONTNAME you can set
+# the path where dot can find it using this tag.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_FONTPATH           =
+
+# If the CLASS_GRAPH tag is set to YES then doxygen will generate a graph for
+# each documented class showing the direct and indirect inheritance relations.
+# Setting this tag to YES will force the CLASS_DIAGRAMS tag to NO.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+CLASS_GRAPH            = YES
+
+# If the COLLABORATION_GRAPH tag is set to YES then doxygen will generate a
+# graph for each documented class showing the direct and indirect implementation
+# dependencies (inheritance, containment, and class references variables) of the
+# class with other documented classes.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+COLLABORATION_GRAPH    = YES
+
+# If the GROUP_GRAPHS tag is set to YES then doxygen will generate a graph for
+# groups, showing the direct groups dependencies.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+GROUP_GRAPHS           = YES
+
+# If the UML_LOOK tag is set to YES, doxygen will generate inheritance and
+# collaboration diagrams in a style similar to the OMG's Unified Modeling
+# Language.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+UML_LOOK               = NO
+
+# If the UML_LOOK tag is enabled, the fields and methods are shown inside the
+# class node. If there are many fields or methods and many nodes the graph may
+# become too big to be useful. The UML_LIMIT_NUM_FIELDS threshold limits the
+# number of items for each type to make the size more manageable. Set this to 0
+# for no limit. Note that the threshold may be exceeded by 50% before the limit
+# is enforced. So when you set the threshold to 10, up to 15 fields may appear,
+# but if the number exceeds 15, the total amount of fields shown is limited to
+# 10.
+# Minimum value: 0, maximum value: 100, default value: 10.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+UML_LIMIT_NUM_FIELDS   = 10
+
+# If the TEMPLATE_RELATIONS tag is set to YES then the inheritance and
+# collaboration graphs will show the relations between templates and their
+# instances.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+TEMPLATE_RELATIONS     = NO
+
+# If the INCLUDE_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are set to
+# YES then doxygen will generate a graph for each documented file showing the
+# direct and indirect include dependencies of the file with other documented
+# files.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+INCLUDE_GRAPH          = YES
+
+# If the INCLUDED_BY_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are
+# set to YES then doxygen will generate a graph for each documented file showing
+# the direct and indirect include dependencies of the file with other documented
+# files.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+INCLUDED_BY_GRAPH      = YES
+
+# If the CALL_GRAPH tag is set to YES then doxygen will generate a call
+# dependency graph for every global function or class method.
+#
+# Note that enabling this option will significantly increase the time of a run.
+# So in most cases it will be better to enable call graphs for selected
+# functions only using the \callgraph command. Disabling a call graph can be
+# accomplished by means of the command \hidecallgraph.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+CALL_GRAPH             = NO
+
+# If the CALLER_GRAPH tag is set to YES then doxygen will generate a caller
+# dependency graph for every global function or class method.
+#
+# Note that enabling this option will significantly increase the time of a run.
+# So in most cases it will be better to enable caller graphs for selected
+# functions only using the \callergraph command. Disabling a caller graph can be
+# accomplished by means of the command \hidecallergraph.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+CALLER_GRAPH           = NO
+
+# If the GRAPHICAL_HIERARCHY tag is set to YES then doxygen will graphical
+# hierarchy of all classes instead of a textual one.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+GRAPHICAL_HIERARCHY    = YES
+
+# If the DIRECTORY_GRAPH tag is set to YES then doxygen will show the
+# dependencies a directory has on other directories in a graphical way. The
+# dependency relations are determined by the #include relations between the
+# files in the directories.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DIRECTORY_GRAPH        = YES
+
+# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
+# generated by dot. For an explanation of the image formats see the section
+# output formats in the documentation of the dot tool (Graphviz (see:
+# http://www.graphviz.org/)).
+# Note: If you choose svg you need to set HTML_FILE_EXTENSION to xhtml in order
+# to make the SVG files visible in IE 9+ (other browsers do not have this
+# requirement).
+# Possible values are: png, png:cairo, png:cairo:cairo, png:cairo:gd, png:gd,
+# png:gd:gd, jpg, jpg:cairo, jpg:cairo:gd, jpg:gd, jpg:gd:gd, gif, gif:cairo,
+# gif:cairo:gd, gif:gd, gif:gd:gd, svg, png:gd, png:gd:gd, png:cairo,
+# png:cairo:gd, png:cairo:cairo, png:cairo:gdiplus, png:gdiplus and
+# png:gdiplus:gdiplus.
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+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_IMAGE_FORMAT       = png
+
+# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
+# enable generation of interactive SVG images that allow zooming and panning.
+#
+# Note that this requires a modern browser other than Internet Explorer. Tested
+# and working are Firefox, Chrome, Safari, and Opera.
+# Note: For IE 9+ you need to set HTML_FILE_EXTENSION to xhtml in order to make
+# the SVG files visible. Older versions of IE do not have SVG support.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+INTERACTIVE_SVG        = NO
+
+# The DOT_PATH tag can be used to specify the path where the dot tool can be
+# found. If left blank, it is assumed the dot tool can be found in the path.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_PATH               =
+
+# The DOTFILE_DIRS tag can be used to specify one or more directories that
+# contain dot files that are included in the documentation (see the \dotfile
+# command).
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOTFILE_DIRS           =
+
+# The MSCFILE_DIRS tag can be used to specify one or more directories that
+# contain msc files that are included in the documentation (see the \mscfile
+# command).
+
+MSCFILE_DIRS           =
+
+# The DIAFILE_DIRS tag can be used to specify one or more directories that
+# contain dia files that are included in the documentation (see the \diafile
+# command).
+
+DIAFILE_DIRS           =
+
+# When using plantuml, the PLANTUML_JAR_PATH tag should be used to specify the
+# path where java can find the plantuml.jar file. If left blank, it is assumed
+# PlantUML is not used or called during a preprocessing step. Doxygen will
+# generate a warning when it encounters a \startuml command in this case and
+# will not generate output for the diagram.
+
+PLANTUML_JAR_PATH      =
+
+# When using plantuml, the specified paths are searched for files specified by
+# the !include statement in a plantuml block.
+
+PLANTUML_INCLUDE_PATH  =
+
+# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of nodes
+# that will be shown in the graph. If the number of nodes in a graph becomes
+# larger than this value, doxygen will truncate the graph, which is visualized
+# by representing a node as a red box. Note that doxygen if the number of direct
+# children of the root node in a graph is already larger than
+# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note that
+# the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH.
+# Minimum value: 0, maximum value: 10000, default value: 50.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_GRAPH_MAX_NODES    = 50
+
+# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the graphs
+# generated by dot. A depth value of 3 means that only nodes reachable from the
+# root by following a path via at most 3 edges will be shown. Nodes that lay
+# further from the root node will be omitted. Note that setting this option to 1
+# or 2 may greatly reduce the computation time needed for large code bases. Also
+# note that the size of a graph can be further restricted by
+# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
+# Minimum value: 0, maximum value: 1000, default value: 0.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+MAX_DOT_GRAPH_DEPTH    = 0
+
+# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
+# background. This is disabled by default, because dot on Windows does not seem
+# to support this out of the box.
+#
+# Warning: Depending on the platform used, enabling this option may lead to
+# badly anti-aliased labels on the edges of a graph (i.e. they become hard to
+# read).
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_TRANSPARENT        = NO
+
+# Set the DOT_MULTI_TARGETS tag to YES to allow dot to generate multiple output
+# files in one run (i.e. multiple -o and -T options on the command line). This
+# makes dot run faster, but since only newer versions of dot (>1.8.10) support
+# this, this feature is disabled by default.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_MULTI_TARGETS      = NO
+
+# If the GENERATE_LEGEND tag is set to YES doxygen will generate a legend page
+# explaining the meaning of the various boxes and arrows in the dot generated
+# graphs.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+GENERATE_LEGEND        = YES
+
+# If the DOT_CLEANUP tag is set to YES, doxygen will remove the intermediate dot
+# files that are used to generate the various graphs.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_CLEANUP            = YES
diff --git a/doxygen/Makefile b/doxygen/Makefile
new file mode 100644
index 0000000..5f8c5c0
--- /dev/null
+++ b/doxygen/Makefile
@@ -0,0 +1,22 @@
+DESTDIR ?=
+PREFIX ?= /usr/local
+MANDIR ?= $(PREFIX)/share/man
+
+DOXYGEN ?= doxygen
+DOXYGENFLAGS =
+
+.PHONY: all
+all:
+	$(DOXYGEN) $(DOXYGENFLAGS)
+
+.PHONY: clean
+clean:
+	rm -Rf html
+	rm -Rf man
+
+.PHONY: install
+install:
+	mkdir -p $(DESTDIR)$(MANDIR)/man3
+	cp -u man/man3/tinyalsa-pcm.3 $(DESTDIR)$(MANDIR)/man3
+	cp -u man/man3/tinyalsa-mixer.3 $(DESTDIR)$(MANDIR)/man3
+
diff --git a/doxygen/mainpage.h b/doxygen/mainpage.h
new file mode 100644
index 0000000..f30248f
--- /dev/null
+++ b/doxygen/mainpage.h
@@ -0,0 +1,10 @@
+/** @mainpage Preamble
+ *
+ * Welcome to the documentation for the TinyALSA project.
+ * <br><br>
+ * To start, you may either view the @ref tinyalsa-pcm or @ref tinyalsa-mixer.
+ * <br><br>
+ * If you find an error in the documentation or an area for improvement,
+ * open an issue or send a pull request to the <a href="https://github.com/tinyalsa/tinyalsa">github page</a>.
+ */
+
diff --git a/include/sound/asound.h b/include/sound/asound.h
index a041628..7c6de81 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -12,6 +12,7 @@
 #ifndef __SOUND_ASOUND_H
 #define __SOUND_ASOUND_H
 
+#include <time.h>
 #include <linux/types.h>
 
 #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor))
diff --git a/include/tinyalsa/asoundlib.h b/include/tinyalsa/asoundlib.h
index 01a6303..6a99d5c 100644
--- a/include/tinyalsa/asoundlib.h
+++ b/include/tinyalsa/asoundlib.h
@@ -26,218 +26,11 @@
 ** DAMAGE.
 */
 
-#ifndef ASOUNDLIB_H
-#define ASOUNDLIB_H
+#ifndef TINYALSA_ASOUNDLIB_H
+#define TINYALSA_ASOUNDLIB_H
 
-#include <sys/time.h>
-#include <stddef.h>
+#include "mixer.h"
+#include "pcm.h"
 
-#if defined(__cplusplus)
-extern "C" {
 #endif
 
-/*
- * PCM API
- */
-
-struct pcm;
-
-#define PCM_OUT        0x00000000
-#define PCM_IN         0x10000000
-#define PCM_MMAP       0x00000001
-#define PCM_NOIRQ      0x00000002
-#define PCM_NORESTART  0x00000004 /* PCM_NORESTART - when set, calls to
-                                   * pcm_write for a playback stream will not
-                                   * attempt to restart the stream in the case
-                                   * of an underflow, but will return -EPIPE
-                                   * instead.  After the first -EPIPE error, the
-                                   * stream is considered to be stopped, and a
-                                   * second call to pcm_write will attempt to
-                                   * restart the stream.
-                                   */
-
-/* PCM runtime states */
-#define	PCM_STATE_RUNNING	3
-#define	PCM_STATE_XRUN		4
-#define	PCM_STATE_DRAINING	5
-#define	PCM_STATE_SUSPENDED	7
-#define	PCM_STATE_DISCONNECTED	8
-
-/* Bit formats */
-enum pcm_format {
-    PCM_FORMAT_S16_LE = 0,
-    PCM_FORMAT_S32_LE,
-    PCM_FORMAT_S8,
-    PCM_FORMAT_S24_LE,
-
-    PCM_FORMAT_MAX,
-};
-
-/* Configuration for a stream */
-struct pcm_config {
-    unsigned int channels;
-    unsigned int rate;
-    unsigned int period_size;
-    unsigned int period_count;
-    enum pcm_format format;
-
-    /* Values to use for the ALSA start, stop and silence thresholds.  Setting
-     * any one of these values to 0 will cause the default tinyalsa values to be
-     * used instead.  Tinyalsa defaults are as follows.
-     *
-     * start_threshold   : period_count * period_size
-     * stop_threshold    : period_count * period_size
-     * silence_threshold : 0
-     */
-    unsigned int start_threshold;
-    unsigned int stop_threshold;
-    unsigned int silence_threshold;
-};
-
-/* PCM parameters */
-enum pcm_param
-{
-    PCM_PARAM_SAMPLE_BITS,
-    PCM_PARAM_FRAME_BITS,
-    PCM_PARAM_CHANNELS,
-    PCM_PARAM_RATE,
-    PCM_PARAM_PERIOD_TIME,
-    PCM_PARAM_PERIOD_SIZE,
-    PCM_PARAM_PERIOD_BYTES,
-    PCM_PARAM_PERIODS,
-    PCM_PARAM_BUFFER_TIME,
-    PCM_PARAM_BUFFER_SIZE,
-    PCM_PARAM_BUFFER_BYTES,
-    PCM_PARAM_TICK_TIME,
-};
-
-/* Mixer control types */
-enum mixer_ctl_type {
-    MIXER_CTL_TYPE_BOOL,
-    MIXER_CTL_TYPE_INT,
-    MIXER_CTL_TYPE_ENUM,
-    MIXER_CTL_TYPE_BYTE,
-    MIXER_CTL_TYPE_IEC958,
-    MIXER_CTL_TYPE_INT64,
-    MIXER_CTL_TYPE_UNKNOWN,
-
-    MIXER_CTL_TYPE_MAX,
-};
-
-/* Open and close a stream */
-struct pcm *pcm_open(unsigned int card, unsigned int device,
-                     unsigned int flags, struct pcm_config *config);
-int pcm_close(struct pcm *pcm);
-int pcm_is_ready(struct pcm *pcm);
-
-/* Obtain the parameters for a PCM */
-struct pcm_params *pcm_params_get(unsigned int card, unsigned int device,
-                                  unsigned int flags);
-void pcm_params_free(struct pcm_params *pcm_params);
-unsigned int pcm_params_get_min(struct pcm_params *pcm_params,
-                                enum pcm_param param);
-unsigned int pcm_params_get_max(struct pcm_params *pcm_params,
-                                enum pcm_param param);
-
-/* Returns a human readable reason for the last error */
-const char *pcm_get_error(struct pcm *pcm);
-
-/* Returns the sample size in bits for a PCM format.
- * As with ALSA formats, this is the storage size for the format, whereas the
- * format represents the number of significant bits. For example,
- * PCM_FORMAT_S24_LE uses 32 bits of storage.
- */
-unsigned int pcm_format_to_bits(enum pcm_format format);
-
-/* Returns the buffer size (int frames) that should be used for pcm_write. */
-unsigned int pcm_get_buffer_size(struct pcm *pcm);
-unsigned int pcm_frames_to_bytes(struct pcm *pcm, unsigned int frames);
-unsigned int pcm_bytes_to_frames(struct pcm *pcm, unsigned int bytes);
-
-/* Returns available frames in pcm buffer and corresponding time stamp.
- * For an input stream, frames available are frames ready for the
- * application to read.
- * For an output stream, frames available are the number of empty frames available
- * for the application to write.
- */
-int pcm_get_htimestamp(struct pcm *pcm, unsigned int *avail,
-                       struct timespec *tstamp);
-
-/* Write data to the fifo.
- * Will start playback on the first write or on a write that
- * occurs after a fifo underrun.
- */
-int pcm_write(struct pcm *pcm, const void *data, unsigned int count);
-int pcm_read(struct pcm *pcm, void *data, unsigned int count);
-
-/*
- * mmap() support.
- */
-int pcm_mmap_write(struct pcm *pcm, const void *data, unsigned int count);
-int pcm_mmap_begin(struct pcm *pcm, void **areas, unsigned int *offset,
-                   unsigned int *frames);
-int pcm_mmap_commit(struct pcm *pcm, unsigned int offset, unsigned int frames);
-
-/* Prepare the PCM substream to be triggerable */
-int pcm_prepare(struct pcm *pcm);
-/* Start and stop a PCM channel that doesn't transfer data */
-int pcm_start(struct pcm *pcm);
-int pcm_stop(struct pcm *pcm);
-
-/* Interrupt driven API */
-int pcm_wait(struct pcm *pcm, int timeout);
-
-
-/*
- * MIXER API
- */
-
-struct mixer;
-struct mixer_ctl;
-
-/* Open and close a mixer */
-struct mixer *mixer_open(unsigned int card);
-void mixer_close(struct mixer *mixer);
-
-/* Get info about a mixer */
-const char *mixer_get_name(struct mixer *mixer);
-
-/* Obtain mixer controls */
-unsigned int mixer_get_num_ctls(struct mixer *mixer);
-struct mixer_ctl *mixer_get_ctl(struct mixer *mixer, unsigned int id);
-struct mixer_ctl *mixer_get_ctl_by_name(struct mixer *mixer, const char *name);
-
-/* Get info about mixer controls */
-const char *mixer_ctl_get_name(struct mixer_ctl *ctl);
-enum mixer_ctl_type mixer_ctl_get_type(struct mixer_ctl *ctl);
-const char *mixer_ctl_get_type_string(struct mixer_ctl *ctl);
-unsigned int mixer_ctl_get_num_values(struct mixer_ctl *ctl);
-unsigned int mixer_ctl_get_num_enums(struct mixer_ctl *ctl);
-const char *mixer_ctl_get_enum_string(struct mixer_ctl *ctl,
-                                      unsigned int enum_id);
-
-/* Some sound cards update their controls due to external events,
- * such as HDMI EDID byte data changing when an HDMI cable is
- * connected. This API allows the count of elements to be updated.
- */
-void mixer_ctl_update(struct mixer_ctl *ctl);
-
-/* Set and get mixer controls */
-int mixer_ctl_get_percent(struct mixer_ctl *ctl, unsigned int id);
-int mixer_ctl_set_percent(struct mixer_ctl *ctl, unsigned int id, int percent);
-
-int mixer_ctl_get_value(struct mixer_ctl *ctl, unsigned int id);
-int mixer_ctl_get_array(struct mixer_ctl *ctl, void *array, size_t count);
-int mixer_ctl_set_value(struct mixer_ctl *ctl, unsigned int id, int value);
-int mixer_ctl_set_array(struct mixer_ctl *ctl, const void *array, size_t count);
-int mixer_ctl_set_enum_by_string(struct mixer_ctl *ctl, const char *string);
-
-/* Determe range of integer mixer controls */
-int mixer_ctl_get_range_min(struct mixer_ctl *ctl);
-int mixer_ctl_get_range_max(struct mixer_ctl *ctl);
-
-#if defined(__cplusplus)
-}  /* extern "C" */
-#endif
-
-#endif
diff --git a/include/tinyalsa/mixer.h b/include/tinyalsa/mixer.h
new file mode 100644
index 0000000..ae7c118
--- /dev/null
+++ b/include/tinyalsa/mixer.h
@@ -0,0 +1,109 @@
+/* mixer.h
+**
+** Copyright 2011, The Android Open Source Project
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are met:
+**     * Redistributions of source code must retain the above copyright
+**       notice, this list of conditions and the following disclaimer.
+**     * Redistributions in binary form must reproduce the above copyright
+**       notice, this list of conditions and the following disclaimer in the
+**       documentation and/or other materials provided with the distribution.
+**     * Neither the name of The Android Open Source Project nor the names of
+**       its contributors may be used to endorse or promote products derived
+**       from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND
+** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+** DAMAGE.
+*/
+
+/** @file */
+
+/** @defgroup tinyalsa-mixer Mixer Interface
+ * @brief All macros, structures and functions that make up the mixer interface.
+ */
+
+#ifndef TINYALSA_MIXER_H
+#define TINYALSA_MIXER_H
+
+#include <stddef.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+struct mixer;
+struct mixer_ctl;
+
+/* Mixer control types */
+enum mixer_ctl_type {
+    MIXER_CTL_TYPE_BOOL,
+    MIXER_CTL_TYPE_INT,
+    MIXER_CTL_TYPE_ENUM,
+    MIXER_CTL_TYPE_BYTE,
+    MIXER_CTL_TYPE_IEC958,
+    MIXER_CTL_TYPE_INT64,
+    MIXER_CTL_TYPE_UNKNOWN,
+    MIXER_CTL_TYPE_MAX,
+};
+
+/* Open and close a mixer */
+struct mixer *mixer_open(unsigned int card);
+void mixer_close(struct mixer *mixer);
+
+/* Get info about a mixer */
+const char *mixer_get_name(struct mixer *mixer);
+
+/* Obtain mixer controls */
+unsigned int mixer_get_num_ctls(struct mixer *mixer);
+struct mixer_ctl *mixer_get_ctl(struct mixer *mixer, unsigned int id);
+struct mixer_ctl *mixer_get_ctl_by_name(struct mixer *mixer, const char *name);
+struct mixer_ctl *mixer_get_ctl_by_name_and_index(struct mixer *mixer,
+                                                  const char *name,
+                                                  unsigned int index);
+
+/* Get info about mixer controls */
+unsigned int mixer_ctl_get_id(struct mixer_ctl *ctl);
+const char *mixer_ctl_get_name(struct mixer_ctl *ctl);
+enum mixer_ctl_type mixer_ctl_get_type(struct mixer_ctl *ctl);
+const char *mixer_ctl_get_type_string(struct mixer_ctl *ctl);
+unsigned int mixer_ctl_get_num_values(struct mixer_ctl *ctl);
+unsigned int mixer_ctl_get_num_enums(struct mixer_ctl *ctl);
+const char *mixer_ctl_get_enum_string(struct mixer_ctl *ctl,
+                                      unsigned int enum_id);
+
+/* Some sound cards update their controls due to external events,
+ * such as HDMI EDID byte data changing when an HDMI cable is
+ * connected. This API allows the count of elements to be updated.
+ */
+void mixer_ctl_update(struct mixer_ctl *ctl);
+
+/* Set and get mixer controls */
+int mixer_ctl_get_percent(struct mixer_ctl *ctl, unsigned int id);
+int mixer_ctl_set_percent(struct mixer_ctl *ctl, unsigned int id, int percent);
+
+int mixer_ctl_get_value(struct mixer_ctl *ctl, unsigned int id);
+int mixer_ctl_get_array(struct mixer_ctl *ctl, void *array, size_t count);
+int mixer_ctl_set_value(struct mixer_ctl *ctl, unsigned int id, int value);
+int mixer_ctl_set_array(struct mixer_ctl *ctl, const void *array, size_t count);
+int mixer_ctl_set_enum_by_string(struct mixer_ctl *ctl, const char *string);
+
+/* Determe range of integer mixer controls */
+int mixer_ctl_get_range_min(struct mixer_ctl *ctl);
+int mixer_ctl_get_range_max(struct mixer_ctl *ctl);
+
+#if defined(__cplusplus)
+}  /* extern "C" */
+#endif
+
+#endif
+
diff --git a/include/tinyalsa/pcm.h b/include/tinyalsa/pcm.h
new file mode 100644
index 0000000..0b02e9d
--- /dev/null
+++ b/include/tinyalsa/pcm.h
@@ -0,0 +1,270 @@
+/* pcm.h
+**
+** Copyright 2011, The Android Open Source Project
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are met:
+**     * Redistributions of source code must retain the above copyright
+**       notice, this list of conditions and the following disclaimer.
+**     * Redistributions in binary form must reproduce the above copyright
+**       notice, this list of conditions and the following disclaimer in the
+**       documentation and/or other materials provided with the distribution.
+**     * Neither the name of The Android Open Source Project nor the names of
+**       its contributors may be used to endorse or promote products derived
+**       from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND
+** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+** DAMAGE.
+*/
+
+/** @file */
+
+/** @defgroup tinyalsa-pcm PCM Interface
+ * @brief All macros, structures and functions that make up the PCM interface.
+ */
+
+#ifndef TINYALSA_PCM_H
+#define TINYALSA_PCM_H
+
+#include <sys/time.h>
+#include <stddef.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+struct pcm;
+
+/** A flag that specifies that the PCM is an output.
+ * May not be bitwise AND'd with @ref PCM_IN.
+ * Used in @ref pcm_open.
+ * @ingroup tinyalsa-pcm
+ */
+#define PCM_OUT 0x00000000
+
+/** Specifies that the PCM is an input.
+ * May not be bitwise AND'd with @ref PCM_OUT.
+ * Used in @ref pcm_open.
+ * @ingroup tinyalsa-pcm
+ */
+#define PCM_IN 0x10000000
+
+/** Specifies that the PCM will use mmap read and write methods.
+ * Used in @ref pcm_open.
+ * @ingroup tinyalsa-pcm
+ */
+#define PCM_MMAP 0x00000001
+
+/** Specifies no interrupt requests.
+ * May only be bitwise AND'd with @ref PCM_MMAP.
+ * Used in @ref pcm_open.
+ * @ingroup tinyalsa-pcm
+ */
+#define PCM_NOIRQ 0x00000002
+
+/* When set, calls to @ref pcm_write
+ * for a playback stream will not attempt
+ * to restart the stream in the case of an
+ * underflow, but will return -EPIPE instead.
+ * After the first -EPIPE error, the stream
+ * is considered to be stopped, and a second
+ * call to pcm_write will attempt to restart
+ * the stream.
+ * Used in @ref pcm_open.
+ * @ingroup tinyalsa-pcm
+ */
+#define PCM_NORESTART 0x00000004
+
+/** Specifies monotonic timestamps.
+ * Used in @ref pcm_open.
+ * @ingroup tinyalsa-pcm
+ */
+#define PCM_MONOTONIC 0x00000008
+
+/** For inputs, this means the PCM is recording audio samples.
+ * For outputs, this means the PCM is playing audio samples.
+ * @ingroup tinyalsa-pcm
+ */
+#define	PCM_STATE_RUNNING	0x03
+
+/** For inputs, this means an underrun occured.
+ * For outputs, this means an overrun occured.
+ */
+#define	PCM_STATE_XRUN 0x04
+
+/** For outputs, this means audio samples are played.
+ * A PCM is in a draining state when it is coming to a stop.
+ */
+#define	PCM_STATE_DRAINING 0x05
+
+/** Means a PCM is suspended.
+ * @ingroup tinyalsa-pcm
+ */
+#define	PCM_STATE_SUSPENDED 0x07
+
+/** Means a PCM has been disconnected.
+ * @ingroup tinyalsa-pcm
+ */
+#define	PCM_STATE_DISCONNECTED 0x08
+
+/** Audio sample format of a PCM.
+ * The first letter specifiers whether the sample is signed or unsigned.
+ * The letter 'S' means signed. The letter 'U' means unsigned.
+ * The following number is the amount of bits that the sample occupies in memory.
+ * Following the underscore, specifiers whether the sample is big endian or little endian.
+ * The letters 'LE' mean little endian.
+ * The letters 'BE' mean big endian.
+ * This enumeration is used in the @ref config structure.
+ * @ingroup tinyalsa-pcm
+ */
+enum pcm_format {
+    /** Signed, 8-bit */
+    PCM_FORMAT_S8 = 1,
+    /** Signed 16-bit, little endian */
+    PCM_FORMAT_S16_LE = 0,
+    /** Signed, 16-bit, big endian */
+    PCM_FORMAT_S16_BE = 2,
+    /** Signed, 24-bit (32-bit in memory), little endian */
+    PCM_FORMAT_S24_LE,
+    /** Signed, 24-bit (32-bit in memory), big endian */
+    PCM_FORMAT_S24_BE,
+    /** Signed, 24-bit, little endian */
+    PCM_FORMAT_S24_3LE,
+    /** Signed, 24-bit, big endian */
+    PCM_FORMAT_S24_3BE,
+    /** Signed, 32-bit, little endian */
+    PCM_FORMAT_S32_LE,
+    /** Signed, 32-bit, big endian */
+    PCM_FORMAT_S32_BE,
+    /** Max of the enumeration list, not an actual format. */
+    PCM_FORMAT_MAX
+};
+
+/** A bit mask of 256 bits (32 bytes) that describes some hardware parameters of a PCM */
+struct pcm_mask {
+    /** bits of the bit mask */
+    unsigned int bits[32 / sizeof(unsigned int)];
+};
+
+/** Encapsulates the hardware and software parameters of a PCM.
+ * @ingroup tinyalsa-pcm
+ */
+struct pcm_config {
+    /** The number of channels in a frame */
+    unsigned int channels;
+    /** The number of frames per second */
+    unsigned int rate;
+    /** The number of frames in a period */
+    unsigned int period_size;
+    /** The number of periods in a PCM */
+    unsigned int period_count;
+    /** The sample format of a PCM */
+    enum pcm_format format;
+    /* Values to use for the ALSA start, stop and silence thresholds.  Setting
+     * any one of these values to 0 will cause the default tinyalsa values to be
+     * used instead.  Tinyalsa defaults are as follows.
+     *
+     * start_threshold   : period_count * period_size
+     * stop_threshold    : period_count * period_size
+     * silence_threshold : 0
+     */
+    unsigned int start_threshold;
+    unsigned int stop_threshold;
+    unsigned int silence_threshold;
+};
+
+/** Enumeration of a PCM's hardware parameters.
+ * Each of these parameters is either a mask or an interval.
+ * @ingroup tinyalsa-pcm
+ */
+enum pcm_param
+{
+    /** A mask that represents the type of read or write method available (e.g. interleaved, mmap). */
+    PCM_PARAM_ACCESS,
+    /** A mask that represents the @ref pcm_format available (e.g. @ref PCM_FORMAT_S32_LE) */
+    PCM_PARAM_FORMAT,
+    /** A mask that represents the subformat available */
+    PCM_PARAM_SUBFORMAT,
+    /** An interval representing the range of sample bits available (e.g. 8 to 32) */
+    PCM_PARAM_SAMPLE_BITS,
+		/** An interval representing the range of frame bits available (e.g. 8 to 64) */
+    PCM_PARAM_FRAME_BITS,
+    /** An interval representing the range of channels available (e.g. 1 to 2) */
+    PCM_PARAM_CHANNELS,
+    /** An interval representing the range of rates available (e.g. 44100 to 192000) */
+    PCM_PARAM_RATE,
+    PCM_PARAM_PERIOD_TIME,
+    /** The number of frames in a period */
+    PCM_PARAM_PERIOD_SIZE,
+    PCM_PARAM_PERIOD_BYTES,
+    /** The number of periods for a PCM */
+    PCM_PARAM_PERIODS,
+    PCM_PARAM_BUFFER_TIME,
+    PCM_PARAM_BUFFER_SIZE,
+    PCM_PARAM_BUFFER_BYTES,
+    PCM_PARAM_TICK_TIME,
+};
+
+struct pcm *pcm_open(unsigned int card, unsigned int device,
+                     unsigned int flags, struct pcm_config *config);
+int pcm_close(struct pcm *pcm);
+int pcm_is_ready(struct pcm *pcm);
+
+struct pcm_params *pcm_params_get(unsigned int card, unsigned int device,
+                                  unsigned int flags);
+void pcm_params_free(struct pcm_params *pcm_params);
+
+struct pcm_mask *pcm_params_get_mask(struct pcm_params *pcm_params,
+        enum pcm_param param);
+unsigned int pcm_params_get_min(struct pcm_params *pcm_params,
+                                enum pcm_param param);
+unsigned int pcm_params_get_max(struct pcm_params *pcm_params,
+                                enum pcm_param param);
+
+int pcm_get_file_descriptor(struct pcm *pcm);
+
+const char *pcm_get_error(struct pcm *pcm);
+
+unsigned int pcm_format_to_bits(enum pcm_format format);
+
+unsigned int pcm_get_buffer_size(struct pcm *pcm);
+unsigned int pcm_frames_to_bytes(struct pcm *pcm, unsigned int frames);
+unsigned int pcm_bytes_to_frames(struct pcm *pcm, unsigned int bytes);
+
+int pcm_get_htimestamp(struct pcm *pcm, unsigned int *avail,
+                       struct timespec *tstamp);
+
+unsigned int pcm_get_subdevice(struct pcm *pcm);
+
+int pcm_write(struct pcm *pcm, const void *data, unsigned int count);
+int pcm_read(struct pcm *pcm, void *data, unsigned int count);
+
+int pcm_mmap_write(struct pcm *pcm, const void *data, unsigned int count);
+int pcm_mmap_read(struct pcm *pcm, void *data, unsigned int count);
+int pcm_mmap_begin(struct pcm *pcm, void **areas, unsigned int *offset,
+                   unsigned int *frames);
+int pcm_mmap_commit(struct pcm *pcm, unsigned int offset, unsigned int frames);
+
+int pcm_prepare(struct pcm *pcm);
+int pcm_start(struct pcm *pcm);
+int pcm_stop(struct pcm *pcm);
+
+int pcm_wait(struct pcm *pcm, int timeout);
+
+long pcm_get_delay(struct pcm *pcm);
+
+#if defined(__cplusplus)
+}  /* extern "C" */
+#endif
+
+#endif
+
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..4c392cd
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,47 @@
+DESTDIR ?=
+PREFIX ?= /usr/local
+INCDIR ?= $(PREFIX)/include
+LIBDIR ?= $(PREFIX)/lib
+BINDIR ?= $(PREFIX)/bin
+ifdef DEB_HOST_MULTIARCH
+LIBDIR := $(LIBDIR)/$(DEB_HOST_MULTIARCH)
+endif
+
+CROSS_COMPILE =
+CC = $(CROSS_COMPILE)gcc
+AR = $(CROSS_COMPILE)ar
+LD = $(CROSS_COMPILE)gcc
+
+WARNINGS = -Wall -Wextra -Werror -Wfatal-errors
+INCLUDE_DIRS = -I ../include
+override CFLAGS := $(WARNINGS) $(INCLUDE_DIRS) -fPIC $(CFLAGS)
+
+VPATH = ../include/tinyalsa
+OBJECTS = mixer.o pcm.o
+
+.PHONY: all
+all: libtinyalsa.a libtinyalsa.so.1
+
+pcm.o: pcm.c pcm.h
+
+mixer.o: mixer.c mixer.h
+
+libtinyalsa.a: $(OBJECTS)
+	$(AR) $(ARFLAGS) $@ $^
+
+libtinyalsa.so.1: $(OBJECTS)
+	$(LD) $(LDFLAGS) -shared $^ -o $@
+
+.PHONY: clean
+clean:
+	rm -f libtinyalsa.a
+	rm -f libtinyalsa.so.1
+	rm -f $(OBJECTS)
+
+.PHONY: install
+install: libtinyalsa.a libtinyalsa.so.1
+	mkdir -p $(DESTDIR)$(LIBDIR)/
+	ln -sf libtinyalsa.so.1 $(DESTDIR)$(LIBDIR)/libtinyalsa.so
+	cp -u libtinyalsa.a $(DESTDIR)$(LIBDIR)/
+	cp -u libtinyalsa.so.1 $(DESTDIR)$(LIBDIR)/
+
diff --git a/mixer.c b/src/mixer.c
index a14a2ed..cf728e7 100644
--- a/mixer.c
+++ b/src/mixer.c
@@ -28,11 +28,14 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <ctype.h>
+#include <limits.h>
+#include <time.h>
 
 #include <sys/ioctl.h>
 
@@ -44,20 +47,34 @@
 
 #include <tinyalsa/asoundlib.h>
 
+/** A mixer control.
+ * @ingroup tinyalsa-mixer
+ */
 struct mixer_ctl {
+    /** The mixer that the mixer control belongs to */
     struct mixer *mixer;
-    struct snd_ctl_elem_info *info;
+    struct snd_ctl_elem_info info;
     char **ename;
 };
 
+/** A mixer handle.
+ * @ingroup tinyalsa-mixer
+ */
 struct mixer {
+    /** File descriptor for the card */
     int fd;
+    /** Card information */
     struct snd_ctl_card_info card_info;
-    struct snd_ctl_elem_info *elem_info;
+    /** A continuous array of mixer controls */
     struct mixer_ctl *ctl;
+    /** The number of mixer controls */
     unsigned int count;
 };
 
+/** Closes a mixer returned by @ref mixer_open.
+ * @param mixer A mixer handle.
+ * @ingroup tinyalsa-mixer
+ */
 void mixer_close(struct mixer *mixer)
 {
     unsigned int n,m;
@@ -71,7 +88,7 @@ void mixer_close(struct mixer *mixer)
     if (mixer->ctl) {
         for (n = 0; n < mixer->count; n++) {
             if (mixer->ctl[n].ename) {
-                unsigned int max = mixer->ctl[n].info->value.enumerated.items;
+                unsigned int max = mixer->ctl[n].info.value.enumerated.items;
                 for (m = 0; m < max; m++)
                     free(mixer->ctl[n].ename[m]);
                 free(mixer->ctl[n].ename);
@@ -80,20 +97,21 @@ void mixer_close(struct mixer *mixer)
         free(mixer->ctl);
     }
 
-    if (mixer->elem_info)
-        free(mixer->elem_info);
-
     free(mixer);
 
     /* TODO: verify frees */
 }
 
+/** Opens a mixer for a given card.
+ * @param card The card to open the mixer for.
+ * @ingroup tinyalsa-mixer
+ */
 struct mixer *mixer_open(unsigned int card)
 {
     struct snd_ctl_elem_list elist;
     struct snd_ctl_elem_id *eid = NULL;
     struct mixer *mixer = NULL;
-    unsigned int n, m;
+    unsigned int n;
     int fd;
     char fn[256];
 
@@ -111,8 +129,7 @@ struct mixer *mixer_open(unsigned int card)
         goto fail;
 
     mixer->ctl = calloc(elist.count, sizeof(struct mixer_ctl));
-    mixer->elem_info = calloc(elist.count, sizeof(struct snd_ctl_elem_info));
-    if (!mixer->ctl || !mixer->elem_info)
+    if (!mixer->ctl)
         goto fail;
 
     if (ioctl(fd, SNDRV_CTL_IOCTL_CARD_INFO, &mixer->card_info) < 0)
@@ -130,11 +147,10 @@ struct mixer *mixer_open(unsigned int card)
         goto fail;
 
     for (n = 0; n < mixer->count; n++) {
-        struct snd_ctl_elem_info *ei = mixer->elem_info + n;
+        struct snd_ctl_elem_info *ei = &mixer->ctl[n].info;
         ei->id.numid = eid[n].numid;
         if (ioctl(fd, SNDRV_CTL_IOCTL_ELEM_INFO, ei) < 0)
             goto fail;
-        mixer->ctl[n].info = ei;
         mixer->ctl[n].mixer = mixer;
     }
 
@@ -175,14 +191,25 @@ struct mixer_ctl *mixer_get_ctl(struct mixer *mixer, unsigned int id)
 
 struct mixer_ctl *mixer_get_ctl_by_name(struct mixer *mixer, const char *name)
 {
+    return mixer_get_ctl_by_name_and_index(mixer, name, 0);
+}
+
+struct mixer_ctl *mixer_get_ctl_by_name_and_index(struct mixer *mixer,
+                                                  const char *name,
+                                                  unsigned int index)
+{
     unsigned int n;
+    struct mixer_ctl *ctl;
 
     if (!mixer)
         return NULL;
 
+    ctl = mixer->ctl;
+
     for (n = 0; n < mixer->count; n++)
-        if (!strcmp(name, (char*) mixer->elem_info[n].id.name))
-            return mixer->ctl + n;
+        if (!strcmp(name, (char*) ctl[n].info.id.name))
+            if (index-- == 0)
+                return mixer->ctl + n;
 
     return NULL;
 }
@@ -192,12 +219,23 @@ void mixer_ctl_update(struct mixer_ctl *ctl)
     ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_INFO, ctl->info);
 }
 
+unsigned int mixer_ctl_get_id(struct mixer_ctl *ctl)
+{
+    if (!ctl)
+        return UINT_MAX;
+
+    /* numid values start at 1, return a 0-base value that
+     * can be passed to mixer_get_ctl()
+     */
+    return ctl->info.id.numid - 1;
+}
+
 const char *mixer_ctl_get_name(struct mixer_ctl *ctl)
 {
     if (!ctl)
         return NULL;
 
-    return (const char *)ctl->info->id.name;
+    return (const char *)ctl->info.id.name;
 }
 
 enum mixer_ctl_type mixer_ctl_get_type(struct mixer_ctl *ctl)
@@ -205,7 +243,7 @@ enum mixer_ctl_type mixer_ctl_get_type(struct mixer_ctl *ctl)
     if (!ctl)
         return MIXER_CTL_TYPE_UNKNOWN;
 
-    switch (ctl->info->type) {
+    switch (ctl->info.type) {
     case SNDRV_CTL_ELEM_TYPE_BOOLEAN:    return MIXER_CTL_TYPE_BOOL;
     case SNDRV_CTL_ELEM_TYPE_INTEGER:    return MIXER_CTL_TYPE_INT;
     case SNDRV_CTL_ELEM_TYPE_ENUMERATED: return MIXER_CTL_TYPE_ENUM;
@@ -221,7 +259,7 @@ const char *mixer_ctl_get_type_string(struct mixer_ctl *ctl)
     if (!ctl)
         return "";
 
-    switch (ctl->info->type) {
+    switch (ctl->info.type) {
     case SNDRV_CTL_ELEM_TYPE_BOOLEAN:    return "BOOL";
     case SNDRV_CTL_ELEM_TYPE_INTEGER:    return "INT";
     case SNDRV_CTL_ELEM_TYPE_ENUMERATED: return "ENUM";
@@ -237,19 +275,16 @@ unsigned int mixer_ctl_get_num_values(struct mixer_ctl *ctl)
     if (!ctl)
         return 0;
 
-    return ctl->info->count;
+    return ctl->info.count;
 }
 
 static int percent_to_int(struct snd_ctl_elem_info *ei, int percent)
 {
-    int range;
-
-    if (percent > 100)
-        percent = 100;
-    else if (percent < 0)
-        percent = 0;
+    if ((percent > 100) || (percent < 0)) {
+        return -EINVAL;
+    }
 
-    range = (ei->value.integer.max - ei->value.integer.min);
+    int range = (ei->value.integer.max - ei->value.integer.min);
 
     return ei->value.integer.min + (range * percent) / 100;
 }
@@ -266,18 +301,18 @@ static int int_to_percent(struct snd_ctl_elem_info *ei, int value)
 
 int mixer_ctl_get_percent(struct mixer_ctl *ctl, unsigned int id)
 {
-    if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
+    if (!ctl || (ctl->info.type != SNDRV_CTL_ELEM_TYPE_INTEGER))
         return -EINVAL;
 
-    return int_to_percent(ctl->info, mixer_ctl_get_value(ctl, id));
+    return int_to_percent(&ctl->info, mixer_ctl_get_value(ctl, id));
 }
 
 int mixer_ctl_set_percent(struct mixer_ctl *ctl, unsigned int id, int percent)
 {
-    if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
+    if (!ctl || (ctl->info.type != SNDRV_CTL_ELEM_TYPE_INTEGER))
         return -EINVAL;
 
-    return mixer_ctl_set_value(ctl, id, percent_to_int(ctl->info, percent));
+    return mixer_ctl_set_value(ctl, id, percent_to_int(&ctl->info, percent));
 }
 
 int mixer_ctl_get_value(struct mixer_ctl *ctl, unsigned int id)
@@ -285,16 +320,16 @@ int mixer_ctl_get_value(struct mixer_ctl *ctl, unsigned int id)
     struct snd_ctl_elem_value ev;
     int ret;
 
-    if (!ctl || (id >= ctl->info->count))
+    if (!ctl || (id >= ctl->info.count))
         return -EINVAL;
 
     memset(&ev, 0, sizeof(ev));
-    ev.id.numid = ctl->info->id.numid;
+    ev.id.numid = ctl->info.id.numid;
     ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);
     if (ret < 0)
         return ret;
 
-    switch (ctl->info->type) {
+    switch (ctl->info.type) {
     case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
         return !!ev.value.integer.value[id];
 
@@ -317,31 +352,55 @@ int mixer_ctl_get_value(struct mixer_ctl *ctl, unsigned int id)
 int mixer_ctl_get_array(struct mixer_ctl *ctl, void *array, size_t count)
 {
     struct snd_ctl_elem_value ev;
-    int ret;
+    int ret = 0;
     size_t size;
     void *source;
 
-    if (!ctl || (count > ctl->info->count) || !count || !array)
+    if (!ctl || (count > ctl->info.count) || !count || !array)
         return -EINVAL;
 
     memset(&ev, 0, sizeof(ev));
-    ev.id.numid = ctl->info->id.numid;
-
-    ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);
-    if (ret < 0)
-        return ret;
+    ev.id.numid = ctl->info.id.numid;
 
-    switch (ctl->info->type) {
+    switch (ctl->info.type) {
     case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
     case SNDRV_CTL_ELEM_TYPE_INTEGER:
+        ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);
+        if (ret < 0)
+            return ret;
         size = sizeof(ev.value.integer.value[0]);
         source = ev.value.integer.value;
         break;
 
     case SNDRV_CTL_ELEM_TYPE_BYTES:
-        size = sizeof(ev.value.bytes.data[0]);
-        source = ev.value.bytes.data;
-        break;
+        /* check if this is new bytes TLV */
+        if (ctl->info.access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE) {
+            struct snd_ctl_tlv *tlv;
+            int ret;
+
+            if (count > SIZE_MAX - sizeof(*tlv))
+                return -EINVAL;
+            tlv = calloc(1, sizeof(*tlv) + count);
+            if (!tlv)
+                return -ENOMEM;
+            tlv->numid = ctl->info.id.numid;
+            tlv->length = count;
+            ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_TLV_READ, tlv);
+
+            source = tlv->tlv;
+            memcpy(array, source, count);
+
+            free(tlv);
+
+            return ret;
+        } else {
+            ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);
+            if (ret < 0)
+                return ret;
+            size = sizeof(ev.value.bytes.data[0]);
+            source = ev.value.bytes.data;
+            break;
+        }
 
     default:
         return -EINVAL;
@@ -357,24 +416,26 @@ int mixer_ctl_set_value(struct mixer_ctl *ctl, unsigned int id, int value)
     struct snd_ctl_elem_value ev;
     int ret;
 
-    if (!ctl || (id >= ctl->info->count))
+    if (!ctl || (id >= ctl->info.count))
         return -EINVAL;
 
     memset(&ev, 0, sizeof(ev));
-    ev.id.numid = ctl->info->id.numid;
+    ev.id.numid = ctl->info.id.numid;
     ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);
     if (ret < 0)
         return ret;
 
-    if (value > mixer_ctl_get_range_max(ctl))
-        value = mixer_ctl_get_range_max(ctl);
-
-    switch (ctl->info->type) {
+    switch (ctl->info.type) {
     case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
         ev.value.integer.value[id] = !!value;
         break;
 
     case SNDRV_CTL_ELEM_TYPE_INTEGER:
+        if ((value < mixer_ctl_get_range_min(ctl)) ||
+            (value > mixer_ctl_get_range_max(ctl))) {
+            return -EINVAL;
+        }
+
         ev.value.integer.value[id] = value;
         break;
 
@@ -382,6 +443,10 @@ int mixer_ctl_set_value(struct mixer_ctl *ctl, unsigned int id, int value)
         ev.value.enumerated.item[id] = value;
         break;
 
+    case SNDRV_CTL_ELEM_TYPE_BYTES:
+        ev.value.bytes.data[id] = value;
+        break;
+
     default:
         return -EINVAL;
     }
@@ -395,13 +460,13 @@ int mixer_ctl_set_array(struct mixer_ctl *ctl, const void *array, size_t count)
     size_t size;
     void *dest;
 
-    if (!ctl || (count > ctl->info->count) || !count || !array)
+    if (!ctl || (count > ctl->info.count) || !count || !array)
         return -EINVAL;
 
     memset(&ev, 0, sizeof(ev));
-    ev.id.numid = ctl->info->id.numid;
+    ev.id.numid = ctl->info.id.numid;
 
-    switch (ctl->info->type) {
+    switch (ctl->info.type) {
     case SNDRV_CTL_ELEM_TYPE_BOOLEAN:
     case SNDRV_CTL_ELEM_TYPE_INTEGER:
         size = sizeof(ev.value.integer.value[0]);
@@ -409,8 +474,27 @@ int mixer_ctl_set_array(struct mixer_ctl *ctl, const void *array, size_t count)
         break;
 
     case SNDRV_CTL_ELEM_TYPE_BYTES:
-        size = sizeof(ev.value.bytes.data[0]);
-        dest = ev.value.bytes.data;
+        /* check if this is new bytes TLV */
+        if (ctl->info.access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE) {
+            struct snd_ctl_tlv *tlv;
+            int ret = 0;
+            if (count > SIZE_MAX - sizeof(*tlv))
+                return -EINVAL;
+            tlv = calloc(1, sizeof(*tlv) + count);
+            if (!tlv)
+                return -ENOMEM;
+            tlv->numid = ctl->info.id.numid;
+            tlv->length = count;
+            memcpy(tlv->tlv, array, count);
+
+            ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_TLV_WRITE, tlv);
+            free(tlv);
+
+            return ret;
+        } else {
+            size = sizeof(ev.value.bytes.data[0]);
+            dest = ev.value.bytes.data;
+        }
         break;
 
     default:
@@ -424,18 +508,18 @@ int mixer_ctl_set_array(struct mixer_ctl *ctl, const void *array, size_t count)
 
 int mixer_ctl_get_range_min(struct mixer_ctl *ctl)
 {
-    if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
+    if (!ctl || (ctl->info.type != SNDRV_CTL_ELEM_TYPE_INTEGER))
         return -EINVAL;
 
-    return ctl->info->value.integer.min;
+    return ctl->info.value.integer.min;
 }
 
 int mixer_ctl_get_range_max(struct mixer_ctl *ctl)
 {
-    if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
+    if (!ctl || (ctl->info.type != SNDRV_CTL_ELEM_TYPE_INTEGER))
         return -EINVAL;
 
-    return ctl->info->value.integer.max;
+    return ctl->info.value.integer.max;
 }
 
 unsigned int mixer_ctl_get_num_enums(struct mixer_ctl *ctl)
@@ -443,7 +527,7 @@ unsigned int mixer_ctl_get_num_enums(struct mixer_ctl *ctl)
     if (!ctl)
         return 0;
 
-    return ctl->info->value.enumerated.items;
+    return ctl->info.value.enumerated.items;
 }
 
 int mixer_ctl_fill_enum_string(struct mixer_ctl *ctl)
@@ -456,12 +540,12 @@ int mixer_ctl_fill_enum_string(struct mixer_ctl *ctl)
         return 0;
     }
 
-    enames = calloc(ctl->info->value.enumerated.items, sizeof(char*));
+    enames = calloc(ctl->info.value.enumerated.items, sizeof(char*));
     if (!enames)
         goto fail;
-    for (m = 0; m < ctl->info->value.enumerated.items; m++) {
+    for (m = 0; m < ctl->info.value.enumerated.items; m++) {
         memset(&tmp, 0, sizeof(tmp));
-        tmp.id.numid = ctl->info->id.numid;
+        tmp.id.numid = ctl->info.id.numid;
         tmp.value.enumerated.item = m;
         if (ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_INFO, &tmp) < 0)
             goto fail;
@@ -474,7 +558,7 @@ int mixer_ctl_fill_enum_string(struct mixer_ctl *ctl)
 
 fail:
     if (enames) {
-        for (m = 0; m < ctl->info->value.enumerated.items; m++) {
+        for (m = 0; m < ctl->info.value.enumerated.items; m++) {
             if (enames[m]) {
                 free(enames[m]);
             }
@@ -487,8 +571,8 @@ fail:
 const char *mixer_ctl_get_enum_string(struct mixer_ctl *ctl,
                                       unsigned int enum_id)
 {
-    if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_ENUMERATED) ||
-        (enum_id >= ctl->info->value.enumerated.items) ||
+    if (!ctl || (ctl->info.type != SNDRV_CTL_ELEM_TYPE_ENUMERATED) ||
+        (enum_id >= ctl->info.value.enumerated.items) ||
         mixer_ctl_fill_enum_string(ctl) != 0)
         return NULL;
 
@@ -501,16 +585,16 @@ int mixer_ctl_set_enum_by_string(struct mixer_ctl *ctl, const char *string)
     struct snd_ctl_elem_value ev;
     int ret;
 
-    if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_ENUMERATED) ||
+    if (!ctl || (ctl->info.type != SNDRV_CTL_ELEM_TYPE_ENUMERATED) ||
         mixer_ctl_fill_enum_string(ctl) != 0)
         return -EINVAL;
 
-    num_enums = ctl->info->value.enumerated.items;
+    num_enums = ctl->info.value.enumerated.items;
     for (i = 0; i < num_enums; i++) {
         if (!strcmp(string, ctl->ename[i])) {
             memset(&ev, 0, sizeof(ev));
             ev.value.enumerated.item[0] = i;
-            ev.id.numid = ctl->info->id.numid;
+            ev.id.numid = ctl->info.id.numid;
             ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);
             if (ret < 0)
                 return ret;
diff --git a/pcm.c b/src/pcm.c
index b081e87..a45ce75 100644
--- a/pcm.c
+++ b/src/pcm.c
@@ -38,6 +38,7 @@
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/time.h>
+#include <time.h>
 #include <limits.h>
 
 #include <linux/ioctl.h>
@@ -155,33 +156,75 @@ static void param_init(struct snd_pcm_hw_params *p)
 
 #define PCM_ERROR_MAX 128
 
+/** A PCM handle.
+ * @ingroup tinyalsa-pcm
+ */
 struct pcm {
+    /** The PCM's file descriptor */
     int fd;
+    /** Flags that were passed to @ref pcm_open */
     unsigned int flags;
+    /** Whether the PCM is running or not */
     int running:1;
+    /** Whether or not the PCM has been prepared */
     int prepared:1;
+    /** The number of underruns that have occured */
     int underruns;
+    /** Size of the buffer */
     unsigned int buffer_size;
     unsigned int boundary;
+    /** Description of the last error that occured */
     char error[PCM_ERROR_MAX];
+    /** Configuration that was passed to @ref pcm_open */
     struct pcm_config config;
     struct snd_pcm_mmap_status *mmap_status;
     struct snd_pcm_mmap_control *mmap_control;
     struct snd_pcm_sync_ptr *sync_ptr;
     void *mmap_buffer;
     unsigned int noirq_frames_per_msec;
+    long pcm_delay;
+    unsigned int subdevice;
 };
 
+/** Gets the buffer size of the PCM.
+ * @param pcm A PCM handle.
+ * @return The buffer size of the PCM.
+ * @ingroup tinyalsa-pcm
+ */
 unsigned int pcm_get_buffer_size(struct pcm *pcm)
 {
     return pcm->buffer_size;
 }
 
+/** Gets the file descriptor of the PCM.
+ * Useful for extending functionality of the PCM when needed.
+ * @return The file descriptor of the PCM.
+ * @ingroup tinyalsa-pcm
+ */
+int pcm_get_file_descriptor(struct pcm *pcm)
+{
+    return pcm->fd;
+}
+
+/** Gets the error message for the last error that occured.
+ * If no error occured and this function is called, the results are undefined.
+ * @param pcm A PCM handle.
+ * @return The error message of the last error that occured.
+ * @ingroup tinyalsa-pcm
+ */
 const char* pcm_get_error(struct pcm *pcm)
 {
     return pcm->error;
 }
 
+/** Gets the subdevice on which the pcm has been opened.
+ * @param pcm A PCM handle.
+ * @return The subdevice on which the pcm has been opened */
+unsigned int pcm_get_subdevice(struct pcm *pcm)
+{
+    return pcm->subdevice;
+}
+
 static int oops(struct pcm *pcm, int e, const char *fmt, ...)
 {
     va_list ap;
@@ -201,43 +244,84 @@ static int oops(struct pcm *pcm, int e, const char *fmt, ...)
 static unsigned int pcm_format_to_alsa(enum pcm_format format)
 {
     switch (format) {
-    case PCM_FORMAT_S32_LE:
-        return SNDRV_PCM_FORMAT_S32_LE;
+
     case PCM_FORMAT_S8:
         return SNDRV_PCM_FORMAT_S8;
-    case PCM_FORMAT_S24_LE:
-        return SNDRV_PCM_FORMAT_S24_LE;
+
     default:
     case PCM_FORMAT_S16_LE:
         return SNDRV_PCM_FORMAT_S16_LE;
+    case PCM_FORMAT_S16_BE:
+        return SNDRV_PCM_FORMAT_S16_BE;
+
+    case PCM_FORMAT_S24_LE:
+        return SNDRV_PCM_FORMAT_S24_LE;
+    case PCM_FORMAT_S24_BE:
+        return SNDRV_PCM_FORMAT_S24_BE;
+
+    case PCM_FORMAT_S24_3LE:
+        return SNDRV_PCM_FORMAT_S24_3LE;
+    case PCM_FORMAT_S24_3BE:
+        return SNDRV_PCM_FORMAT_S24_3BE;
+
+    case PCM_FORMAT_S32_LE:
+        return SNDRV_PCM_FORMAT_S32_LE;
+    case PCM_FORMAT_S32_BE:
+        return SNDRV_PCM_FORMAT_S32_BE;
     };
 }
 
+/** Determines the number of bits occupied by a @ref pcm_format.
+ * @param format A PCM format.
+ * @return The number of bits associated with @p format
+ * @ingroup tinyalsa-pcm
+ */
 unsigned int pcm_format_to_bits(enum pcm_format format)
 {
     switch (format) {
     case PCM_FORMAT_S32_LE:
+    case PCM_FORMAT_S32_BE:
     case PCM_FORMAT_S24_LE:
+    case PCM_FORMAT_S24_BE:
         return 32;
+    case PCM_FORMAT_S24_3LE:
+    case PCM_FORMAT_S24_3BE:
+        return 24;
     default:
     case PCM_FORMAT_S16_LE:
+    case PCM_FORMAT_S16_BE:
         return 16;
+    case PCM_FORMAT_S8:
+        return 8;
     };
 }
 
+/** Determines how many frames of a PCM can fit into a number of bytes.
+ * @param pcm A PCM handle.
+ * @param bytes The number of bytes.
+ * @return The number of frames that may fit into @p bytes
+ * @ingroup tinyalsa-pcm
+ */
 unsigned int pcm_bytes_to_frames(struct pcm *pcm, unsigned int bytes)
 {
     return bytes / (pcm->config.channels *
         (pcm_format_to_bits(pcm->config.format) >> 3));
 }
 
+/** Determines how many bytes are occupied by a number of frames of a PCM.
+ * @param pcm A PCM handle.
+ * @param frames The number of frames of a PCM.
+ * @return The bytes occupied by @p frames.
+ * @ingroup tinyalsa-pcm
+ */
 unsigned int pcm_frames_to_bytes(struct pcm *pcm, unsigned int frames)
 {
     return frames * pcm->config.channels *
         (pcm_format_to_bits(pcm->config.format) >> 3);
 }
 
-static int pcm_sync_ptr(struct pcm *pcm, int flags) {
+static int pcm_sync_ptr(struct pcm *pcm, int flags)
+{
     if (pcm->sync_ptr) {
         pcm->sync_ptr->flags = flags;
         if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_SYNC_PTR, pcm->sync_ptr) < 0)
@@ -246,8 +330,8 @@ static int pcm_sync_ptr(struct pcm *pcm, int flags) {
     return 0;
 }
 
-static int pcm_hw_mmap_status(struct pcm *pcm) {
-
+static int pcm_hw_mmap_status(struct pcm *pcm)
+{
     if (pcm->sync_ptr)
         return 0;
 
@@ -301,7 +385,7 @@ static void pcm_hw_munmap_status(struct pcm *pcm) {
 }
 
 static int pcm_areas_copy(struct pcm *pcm, unsigned int pcm_offset,
-                          const char *src, unsigned int src_offset,
+                          char *buf, unsigned int src_offset,
                           unsigned int frames)
 {
     int size_bytes = pcm_frames_to_bytes(pcm, frames);
@@ -309,12 +393,18 @@ static int pcm_areas_copy(struct pcm *pcm, unsigned int pcm_offset,
     int src_offset_bytes = pcm_frames_to_bytes(pcm, src_offset);
 
     /* interleaved only atm */
-    memcpy((char*)pcm->mmap_buffer + pcm_offset_bytes,
-           src + src_offset_bytes, size_bytes);
+    if (pcm->flags & PCM_IN)
+        memcpy(buf + src_offset_bytes,
+               (char*)pcm->mmap_buffer + pcm_offset_bytes,
+               size_bytes);
+    else
+        memcpy((char*)pcm->mmap_buffer + pcm_offset_bytes,
+               buf + src_offset_bytes,
+               size_bytes);
     return 0;
 }
 
-static int pcm_mmap_write_areas(struct pcm *pcm, const char *src,
+static int pcm_mmap_transfer_areas(struct pcm *pcm, char *buf,
                                 unsigned int offset, unsigned int size)
 {
     void *pcm_areas;
@@ -324,7 +414,7 @@ static int pcm_mmap_write_areas(struct pcm *pcm, const char *src,
     while (size > 0) {
         frames = size;
         pcm_mmap_begin(pcm, &pcm_areas, &pcm_offset, &frames);
-        pcm_areas_copy(pcm, pcm_offset, src, offset, frames);
+        pcm_areas_copy(pcm, pcm_offset, buf, offset, frames);
         commit = pcm_mmap_commit(pcm, pcm_offset, frames);
         if (commit < 0) {
             oops(pcm, commit, "failed to commit %d frames\n", frames);
@@ -338,6 +428,17 @@ static int pcm_mmap_write_areas(struct pcm *pcm, const char *src,
     return count;
 }
 
+/** Returns available frames in pcm buffer and corresponding time stamp.
+ * The clock is CLOCK_MONOTONIC if flag @ref PCM_MONOTONIC was specified in @ref pcm_open,
+ * otherwise the clock is CLOCK_REALTIME.
+ * For an input stream, frames available are frames ready for the application to read.
+ * For an output stream, frames available are the number of empty frames available for the application to write.
+ * Only available for PCMs opened with the @ref PCM_MMAP flag.
+ * @param pcm A PCM handle.
+ * @param avail The number of available frames
+ * @param tstamp The timestamp
+ * @return On success, zero is returned; on failure, negative one.
+ */
 int pcm_get_htimestamp(struct pcm *pcm, unsigned int *avail,
                        struct timespec *tstamp)
 {
@@ -374,6 +475,16 @@ int pcm_get_htimestamp(struct pcm *pcm, unsigned int *avail,
     return 0;
 }
 
+/** Writes audio samples to PCM.
+ * If the PCM has not been started, it is started in this function.
+ * This function is only valid for PCMs opened with the @ref PCM_OUT flag.
+ * This function is not valid for PCMs opened with the @ref PCM_MMAP flag.
+ * @param pcm A PCM handle.
+ * @param data The audio sample array
+ * @param count The number of bytes occupied by the sample array.
+ * @return On success, this function returns zero; otherwise, a negative number.
+ * @ingroup tinyalsa-pcm
+ */
 int pcm_write(struct pcm *pcm, const void *data, unsigned int count)
 {
     struct snd_xferi x;
@@ -413,6 +524,16 @@ int pcm_write(struct pcm *pcm, const void *data, unsigned int count)
     }
 }
 
+/** Reads audio samples from PCM.
+ * If the PCM has not been started, it is started in this function.
+ * This function is only valid for PCMs opened with the @ref PCM_IN flag.
+ * This function is not valid for PCMs opened with the @ref PCM_MMAP flag.
+ * @param pcm A PCM handle.
+ * @param data The audio sample array
+ * @param count The number of bytes occupied by the sample array.
+ * @return On success, this function returns zero; otherwise, a negative number.
+ * @ingroup tinyalsa-pcm
+ */
 int pcm_read(struct pcm *pcm, void *data, unsigned int count)
 {
     struct snd_xferi x;
@@ -449,6 +570,18 @@ static struct pcm bad_pcm = {
     .fd = -1,
 };
 
+/** Gets the hardware parameters of a PCM, without created a PCM handle.
+ * @param card The card of the PCM.
+ *  The default card is zero.
+ * @param device The device of the PCM.
+ *  The default device is zero.
+ * @param flags Specifies whether the PCM is an input or output.
+ *  May be one of the following:
+ *   - @ref PCM_IN
+ *   - @ref PCM_OUT
+ * @return On success, the hardware parameters of the PCM; on failure, NULL.
+ * @ingroup tinyalsa-pcm
+ */
 struct pcm_params *pcm_params_get(unsigned int card, unsigned int device,
                                   unsigned int flags)
 {
@@ -487,6 +620,11 @@ err_open:
     return NULL;
 }
 
+/** Frees the hardware parameters returned by @ref pcm_params_open.
+ * @param pcm_params Hardware parameters of a PCM.
+ *  May be NULL.
+ * @ingroup tinyalsa-pcm
+ */
 void pcm_params_free(struct pcm_params *pcm_params)
 {
     struct snd_pcm_hw_params *params = (struct snd_pcm_hw_params *)pcm_params;
@@ -498,6 +636,12 @@ void pcm_params_free(struct pcm_params *pcm_params)
 static int pcm_param_to_alsa(enum pcm_param param)
 {
     switch (param) {
+    case PCM_PARAM_ACCESS:
+        return SNDRV_PCM_HW_PARAM_ACCESS;
+    case PCM_PARAM_FORMAT:
+        return SNDRV_PCM_HW_PARAM_FORMAT;
+    case PCM_PARAM_SUBFORMAT:
+        return SNDRV_PCM_HW_PARAM_SUBFORMAT;
     case PCM_PARAM_SAMPLE_BITS:
         return SNDRV_PCM_HW_PARAM_SAMPLE_BITS;
         break;
@@ -540,6 +684,30 @@ static int pcm_param_to_alsa(enum pcm_param param)
     }
 }
 
+/** Gets a mask from a PCM's hardware parameters.
+ * @param pcm_params A PCM's hardware parameters.
+ * @param param The parameter to get.
+ * @return If @p pcm_params is NULL or @p param is not a mask, NULL is returned.
+ *  Otherwise, the mask associated with @p param is returned.
+ * @ingroup tinyalsa-pcm
+ */
+struct pcm_mask *pcm_params_get_mask(struct pcm_params *pcm_params,
+                                     enum pcm_param param)
+{
+    int p;
+    struct snd_pcm_hw_params *params = (struct snd_pcm_hw_params *)pcm_params;
+    if (params == NULL) {
+        return NULL;
+    }
+
+    p = pcm_param_to_alsa(param);
+    if (p < 0 || !param_is_mask(p)) {
+        return NULL;
+    }
+
+    return (struct pcm_mask *)param_to_mask(params, p);
+}
+
 unsigned int pcm_params_get_min(struct pcm_params *pcm_params,
                                 enum pcm_param param)
 {
@@ -572,6 +740,12 @@ unsigned int pcm_params_get_max(struct pcm_params *pcm_params,
     return param_get_max(params, p);
 }
 
+/** Closes a PCM returned by @ref pcm_open.
+ * @param pcm A PCM returned by @ref pcm_open.
+ *  May not be NULL.
+ * @return Always returns zero.
+ * @ingroup tinyalsa-pcm
+ */
 int pcm_close(struct pcm *pcm)
 {
     if (pcm == &bad_pcm)
@@ -594,6 +768,23 @@ int pcm_close(struct pcm *pcm)
     return 0;
 }
 
+/** Opens a PCM.
+ * @param card The card that the pcm belongs to.
+ *  The default card is zero.
+ * @param device The device that the pcm belongs to.
+ *  The default device is zero.
+ * @param flags Specify characteristics and functionality about the pcm.
+ *  May be a bitwise AND of the following:
+ *   - @ref PCM_IN
+ *   - @ref PCM_OUT
+ *   - @ref PCM_MMAP
+ *   - @ref PCM_NOIRQ
+ *   - @ref PCM_MONOTONIC
+ * @param config The hardware and software parameters to open the PCM with.
+ * @returns On success, returns an initialized pcm, ready for reading or writing.
+ *  On error, returns NULL.
+ * @ingroup tinyalsa-pcm
+ */
 struct pcm *pcm_open(unsigned int card, unsigned int device,
                      unsigned int flags, struct pcm_config *config)
 {
@@ -624,6 +815,7 @@ struct pcm *pcm_open(unsigned int card, unsigned int device,
         oops(pcm, errno, "cannot get info");
         goto fail_close;
     }
+    pcm->subdevice = info.subdevice;
 
     param_init(&params);
     param_set_mask(&params, SNDRV_PCM_HW_PARAM_FORMAT,
@@ -724,6 +916,17 @@ struct pcm *pcm_open(unsigned int card, unsigned int device,
         goto fail;
     }
 
+#ifdef SNDRV_PCM_IOCTL_TTSTAMP
+    if (pcm->flags & PCM_MONOTONIC) {
+        int arg = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC;
+        rc = ioctl(pcm->fd, SNDRV_PCM_IOCTL_TTSTAMP, &arg);
+        if (rc < 0) {
+            oops(pcm, rc, "cannot set timestamp type");
+            goto fail;
+        }
+    }
+#endif
+
     pcm->underruns = 0;
     return pcm;
 
@@ -736,11 +939,22 @@ fail_close:
     return pcm;
 }
 
+/** Checks if a PCM file has been opened without error.
+ * @param pcm A PCM handle.
+ * @return If a PCM's file descriptor is not valid, it returns zero.
+ *  Otherwise, the function returns one.
+ * @ingroup tinyalsa-pcm
+ */
 int pcm_is_ready(struct pcm *pcm)
 {
     return pcm->fd >= 0;
 }
 
+/** Prepares a PCM, if it has not been prepared already.
+ * @param pcm A PCM handle.
+ * @return On success, zero; on failure, a negative number.
+ * @ingroup tinyalsa-pcm
+ */
 int pcm_prepare(struct pcm *pcm)
 {
     if (pcm->prepared)
@@ -753,6 +967,13 @@ int pcm_prepare(struct pcm *pcm)
     return 0;
 }
 
+/** Starts a PCM.
+ * If the PCM has not been prepared,
+ * it is prepared in this function.
+ * @param pcm A PCM handle.
+ * @return On success, zero; on failure, a negative number.
+ * @ingroup tinyalsa-pcm
+ */
 int pcm_start(struct pcm *pcm)
 {
     int prepare_error = pcm_prepare(pcm);
@@ -769,6 +990,11 @@ int pcm_start(struct pcm *pcm)
     return 0;
 }
 
+/** Stops a PCM.
+ * @param pcm A PCM handle.
+ * @return On success, zero; on failure, a negative number.
+ * @ingroup tinyalsa-pcm
+ */
 int pcm_stop(struct pcm *pcm)
 {
     if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_DROP) < 0)
@@ -787,7 +1013,7 @@ static inline int pcm_mmap_playback_avail(struct pcm *pcm)
 
     if (avail < 0)
         avail += pcm->boundary;
-    else if (avail > (int)pcm->boundary)
+    else if (avail >= (int)pcm->boundary)
         avail -= pcm->boundary;
 
     return avail;
@@ -850,6 +1076,9 @@ int pcm_mmap_begin(struct pcm *pcm, void **areas, unsigned int *offset,
 
 int pcm_mmap_commit(struct pcm *pcm, unsigned int offset, unsigned int frames)
 {
+    /* not used */
+    (void) offset;
+
     /* update the application pointer in userspace and kernel */
     pcm_mmap_appl_forward(pcm, frames);
     pcm_sync_ptr(pcm, 0);
@@ -878,7 +1107,7 @@ int pcm_wait(struct pcm *pcm, int timeout)
     int err;
 
     pfd.fd = pcm->fd;
-    pfd.events = POLLOUT | POLLERR | POLLNVAL;
+    pfd.events = POLLIN | POLLOUT | POLLERR | POLLNVAL;
 
     do {
         /* let's wait for avail or timeout */
@@ -913,7 +1142,7 @@ int pcm_wait(struct pcm *pcm, int timeout)
     return 1;
 }
 
-int pcm_mmap_write(struct pcm *pcm, const void *buffer, unsigned int bytes)
+int pcm_mmap_transfer(struct pcm *pcm, const void *buffer, unsigned int bytes)
 {
     int err = 0, frames, avail;
     unsigned int offset = 0, count;
@@ -975,7 +1204,7 @@ int pcm_mmap_write(struct pcm *pcm, const void *buffer, unsigned int bytes)
             break;
 
         /* copy frames from buffer */
-        frames = pcm_mmap_write_areas(pcm, buffer, offset, frames);
+        frames = pcm_mmap_transfer_areas(pcm, (void *)buffer, offset, frames);
         if (frames < 0) {
             fprintf(stderr, "write error: hw 0x%x app 0x%x avail 0x%x\n",
                     (unsigned int)pcm->mmap_status->hw_ptr,
@@ -990,3 +1219,28 @@ int pcm_mmap_write(struct pcm *pcm, const void *buffer, unsigned int bytes)
 
     return 0;
 }
+
+int pcm_mmap_write(struct pcm *pcm, const void *data, unsigned int count)
+{
+    if ((~pcm->flags) & (PCM_OUT | PCM_MMAP))
+        return -ENOSYS;
+
+    return pcm_mmap_transfer(pcm, (void *)data, count);
+}
+
+int pcm_mmap_read(struct pcm *pcm, void *data, unsigned int count)
+{
+    if ((~pcm->flags) & (PCM_IN | PCM_MMAP))
+        return -ENOSYS;
+
+    return pcm_mmap_transfer(pcm, data, count);
+}
+
+long pcm_get_delay(struct pcm *pcm)
+{
+    if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_DELAY, &pcm->pcm_delay) < 0)
+        return -1;
+
+    return pcm->pcm_delay;
+}
+
diff --git a/utils/Makefile b/utils/Makefile
new file mode 100644
index 0000000..3093eee
--- /dev/null
+++ b/utils/Makefile
@@ -0,0 +1,49 @@
+DESTDIR ?=
+PREFIX ?= /usr/local
+BINDIR ?= $(PREFIX)/bin
+MANDIR ?= $(PREFIX)/man
+
+CROSS_COMPILE ?=
+CC = $(CROSS_COMPILE)gcc
+
+WARNINGS = -Wall -Wextra -Werror -Wfatal-errors
+INCLUDE_DIRS = -I ../include
+LIBRARY_DIRS = -L ../src
+override CFLAGS := $(WARNINGS) $(INCLUDE_DIRS) $(LIBRARY_DIRS) -g -O2 $(CFLAGS)
+
+VPATH = ../src:../include/tinyalsa
+
+.PHONY: all
+all: -ltinyalsa tinyplay tinycap tinymix tinypcminfo
+
+tinyplay: tinyplay.c pcm.h mixer.h asoundlib.h -ltinyalsa
+	$(CC) $(CFLAGS) $< -o $@ -ltinyalsa
+
+tinycap: tinycap.c pcm.h mixer.h asoundlib.h
+	$(CC) $(CFLAGS) $< -o $@ -ltinyalsa
+
+tinymix: tinymix.c pcm.h mixer.h asoundlib.h
+	$(CC) $(CFLAGS) $< -o $@ -ltinyalsa
+
+tinypcminfo: tinypcminfo.c pcm.h mixer.h asoundlib.h
+	$(CC) $(CFLAGS) $< -o $@ -ltinyalsa
+
+.PHONY: clean
+clean:
+	rm -f tinyplay tinycap
+	rm -f tinymix
+	rm -f tinypcminfo
+
+.PHONY: install
+install: tinyplay tinycap tinymix tinypcminfo
+	mkdir -p $(DESTDIR)$(BINDIR)
+	cp -u tinyplay $(DESTDIR)$(BINDIR)/
+	cp -u tinycap $(DESTDIR)$(BINDIR)/
+	cp -u tinymix $(DESTDIR)$(BINDIR)/
+	cp -u tinypcminfo $(DESTDIR)$(BINDIR)/
+	mkdir -p $(DESTDIR)$(MANDIR)/man1
+	cp -u tinyplay.1 $(DESTDIR)$(MANDIR)/man1/
+	cp -u tinycap.1 $(DESTDIR)$(MANDIR)/man1/
+	cp -u tinymix.1 $(DESTDIR)$(MANDIR)/man1/
+	cp -u tinypcminfo.1 $(DESTDIR)$(MANDIR)/man1/
+
diff --git a/utils/tinycap.1 b/utils/tinycap.1
new file mode 100644
index 0000000..ad60a2e
--- /dev/null
+++ b/utils/tinycap.1
@@ -0,0 +1,87 @@
+.TH TINYCAP 1 "October 2, 2016" "tinycap" "TinyALSA"
+
+.SH NAME
+tinycap \- captures audio from an audio device
+
+.SH SYNOPSIS
+.B tinycap\fR [ \fIfile\fR ] [ \fIoptions\fR ]
+
+.SH Description
+
+\fBtinycap\fR can record audio from an audio device to a wav file or standard output (as raw samples).
+Options can be used to specify various hardware parameters to open the PCM with.
+
+.SH OPTIONS
+
+.TP
+\fB\-D\fR \fIcard\fR
+Card number of the PCM.
+The default is 0.
+
+.TP
+\fB\-d\fR \fIdevice\fR
+Device number of the PCM.
+The default is 0.
+
+.TP
+\fB\-c\fR \fIchannels\fR
+Number of channels the PCM will have.
+The default is 2.
+
+.TP
+\fB\-r\fR \fIrate\fR
+Number of frames per second of the PCM.
+The default is 48000.
+
+.TP
+\fB\-b\fR \fIbits\fR
+Number of bits per sample the PCM will have.
+The default is 32.
+
+.TP
+\fB\-p\fR \fIperiod_size\fR
+Number of frames in a period.
+The default is 1024.
+
+.TP
+\fB\-n\fR \fIperiods\fR
+Number of periods the PCM will have.
+The default is 4.
+
+.TP
+\fB\-t\fR \fIseconds\fR
+Number of seconds to record audio.
+
+.SH SIGNALS
+
+When capturing audio, SIGINT will stop the recording and close the file.
+
+.SH EXAMPLES
+
+.TP
+\fBtinycap output.wav\fR
+Records a file called output.wav until an interrupt signal is caught.
+
+.TP
+\fBtinycap output.wav -D 1 -t 2
+Records a file called output.wav from card 1 for two seconds or until an interrupt signal is caught.
+
+.TP
+\fBtinycap -- -t 3
+Records to standard output for three seconds or until an interrupt signal is caught.
+
+.SH BUGS
+
+Please report bugs to https://github.com/tinyalsa/tinyalsa/issues.
+
+.SH SEE ALSO
+
+.BR tinyplay(1),
+.BR tinymix(1),
+.BR tinypcminfo(1)
+
+.SH AUTHORS
+Simon Wilson
+.P
+For a complete list of authors, visit the project page at https://github.com/tinyalsa/tinyalsa.
+
diff --git a/tinycap.c b/utils/tinycap.c
index b9ae251..503b118 100644
--- a/tinycap.c
+++ b/utils/tinycap.c
@@ -62,11 +62,13 @@ int prinfo = 1;
 unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
                             unsigned int channels, unsigned int rate,
                             enum pcm_format format, unsigned int period_size,
-                            unsigned int period_count);
+                            unsigned int period_count, unsigned int capture_time);
 
 void sigint_handler(int sig)
 {
-    capturing = 0;
+    if (sig == SIGINT){
+        capturing = 0;
+    }
 }
 
 int main(int argc, char **argv)
@@ -76,17 +78,18 @@ int main(int argc, char **argv)
     unsigned int card = 0;
     unsigned int device = 0;
     unsigned int channels = 2;
-    unsigned int rate = 44100;
+    unsigned int rate = 48000;
     unsigned int bits = 16;
     unsigned int frames;
     unsigned int period_size = 1024;
     unsigned int period_count = 4;
+    unsigned int capture_time = 0;
     enum pcm_format format;
     int no_header = 0;
 
     if (argc < 2) {
         fprintf(stderr, "Usage: %s {file.wav | --} [-D card] [-d device] [-c channels] "
-                "[-r rate] [-b bits] [-p period_size] [-n n_periods]\n\n"
+                "[-r rate] [-b bits] [-p period_size] [-n n_periods] [-t time_in_seconds]\n\n"
                 "Use -- for filename to send raw PCM to stdout\n", argv[0]);
         return 1;
     }
@@ -134,6 +137,10 @@ int main(int argc, char **argv)
             argv++;
             if (*argv)
                 period_count = atoi(*argv);
+        } else if (strcmp(*argv, "-t") == 0) {
+            argv++;
+            if (*argv)
+                capture_time = atoi(*argv);
         }
         if (*argv)
             argv++;
@@ -159,7 +166,7 @@ int main(int argc, char **argv)
         format = PCM_FORMAT_S16_LE;
         break;
     default:
-        fprintf(stderr, "%d bits is not supported.\n", bits);
+        fprintf(stderr, "%u bits is not supported.\n", bits);
         return 1;
     }
 
@@ -177,9 +184,9 @@ int main(int argc, char **argv)
     signal(SIGINT, sigint_handler);
     frames = capture_sample(file, card, device, header.num_channels,
                             header.sample_rate, format,
-                            period_size, period_count);
+                            period_size, period_count, capture_time);
     if (prinfo) {
-        printf("Captured %d frames\n", frames);
+        printf("Captured %u frames\n", frames);
     }
 
     /* write header now all information is known */
@@ -198,7 +205,7 @@ int main(int argc, char **argv)
 unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
                             unsigned int channels, unsigned int rate,
                             enum pcm_format format, unsigned int period_size,
-                            unsigned int period_count)
+                            unsigned int period_count, unsigned int capture_time)
 {
     struct pcm_config config;
     struct pcm *pcm;
@@ -206,6 +213,7 @@ unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
     unsigned int size;
     unsigned int bytes_read = 0;
 
+    memset(&config, 0, sizeof(config));
     config.channels = channels;
     config.rate = rate;
     config.period_size = period_size;
@@ -225,7 +233,7 @@ unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
     size = pcm_frames_to_bytes(pcm, pcm_get_buffer_size(pcm));
     buffer = malloc(size);
     if (!buffer) {
-        fprintf(stderr, "Unable to allocate %d bytes\n", size);
+        fprintf(stderr, "Unable to allocate %u bytes\n", size);
         free(buffer);
         pcm_close(pcm);
         return 0;
@@ -237,6 +245,11 @@ unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
     }
 
     while (capturing && !pcm_read(pcm, buffer, size)) {
+        if (capture_time > 0 &&
+            ((bytes_read + size) > pcm_frames_to_bytes(pcm, capture_time * rate))) {
+            size = pcm_frames_to_bytes(pcm, capture_time * rate) - bytes_read;
+            capturing = 0;
+        }
         if (fwrite(buffer, 1, size, file) != size) {
             fprintf(stderr,"Error capturing sample\n");
             break;
diff --git a/utils/tinymix.1 b/utils/tinymix.1
new file mode 100644
index 0000000..35f86ba
--- /dev/null
+++ b/utils/tinymix.1
@@ -0,0 +1,59 @@
+.TH TINYMIX 1 "October 2, 2016" "tinymix" "TinyALSA"
+
+.SH NAME
+tinymix \- view and edit mixer controls for a specified mixer.
+
+.SH SYNOPSIS
+.B tinymix\fR [ \fIoptions\fR ] [ \fIcontrol-id\fR ] [ \fIcontrol-value\fR ]
+
+.SH Description
+
+\fBtinymix\fR can be used to view and/or edit a list of mixer controls for a specified mixer.
+Running \fBtinymix\fR with no arguments will print a list of mixer controls for the default mixer.
+With one argument, the argument is interpreted as a control ID and detailed information for that control is printed.
+With two arguments, the arguments are interpreted as a control ID and value pair, setting the control to the value specified.
+
+.SH OPTIONS
+
+.TP
+\fB\-D\fR \fIcard\fR
+Card number of the mixer.
+The default is 0.
+
+.SH EXAMPLES
+
+.TP
+\fBtinymix\fR
+Prints a list of control IDs for the mixer of card 0.
+
+.TP
+\fBtinymix -D 1\fR
+Prints a list of control IDs for the mixer of card 1.
+
+.TP
+\fBtinymix 0\fR
+Prints default information about control 0.
+
+.TP
+\fBtinymix 0 4\fR
+Sets control 0 to the value of 4.
+
+.TP
+\fBtinymix -D 1 2 32
+Sets control 2 of card 1 to the value of 32.
+
+.SH BUGS
+
+Please report bugs to https://github.com/tinyalsa/tinyalsa/issues.
+
+.SH SEE ALSO
+
+.BR tinycap(1),
+.BR tinyplay(1),
+.BR tinypcminfo(1)
+
+.SH AUTHORS
+Simon Wilson
+.P
+For a complete list of authors, visit the project page at https://github.com/tinyalsa/tinyalsa.
+
diff --git a/tinymix.c b/utils/tinymix.c
index 68f9495..f57238a 100644
--- a/tinymix.c
+++ b/utils/tinymix.c
@@ -32,6 +32,8 @@
 #include <stdlib.h>
 #include <ctype.h>
 #include <string.h>
+#include <limits.h>
+#include <errno.h>
 
 static void tinymix_list_controls(struct mixer *mixer);
 static void tinymix_detail_control(struct mixer *mixer, const char *control,
@@ -63,15 +65,14 @@ int main(int argc, char **argv)
     }
 
 
+    printf("Mixer name: '%s'\n", mixer_get_name(mixer));
+    tinymix_list_controls(mixer);
     if (argc == 1) {
-        printf("Mixer name: '%s'\n", mixer_get_name(mixer));
-        tinymix_list_controls(mixer);
+        printf("Usage: tinymix [-D card] [control id] [value to set]\n");
     } else if (argc == 2) {
         tinymix_detail_control(mixer, argv[1], 1);
     } else if (argc >= 3) {
         tinymix_set_value(mixer, argv[1], &argv[2], argc - 2);
-    } else {
-        printf("Usage: tinymix [-D card] [control id] [value to set]\n");
     }
 
     mixer_close(mixer);
@@ -88,7 +89,7 @@ static void tinymix_list_controls(struct mixer *mixer)
 
     num_ctls = mixer_get_num_ctls(mixer);
 
-    printf("Number of controls: %d\n", num_ctls);
+    printf("Number of controls: %u\n", num_ctls);
 
     printf("ctl\ttype\tnum\t%-40s value\n", "name");
     for (i = 0; i < num_ctls; i++) {
@@ -97,7 +98,7 @@ static void tinymix_list_controls(struct mixer *mixer)
         name = mixer_ctl_get_name(ctl);
         type = mixer_ctl_get_type_string(ctl);
         num_values = mixer_ctl_get_num_values(ctl);
-        printf("%d\t%s\t%d\t%-40s", i, type, num_values, name);
+        printf("%u\t%s\t%u\t%-40s", i, type, num_values, name);
         tinymix_detail_control(mixer, name, 0);
     }
 }
@@ -129,8 +130,7 @@ static void tinymix_detail_control(struct mixer *mixer, const char *control,
     unsigned int i;
     int min, max;
     int ret;
-    char buf[512] = { 0 };
-    size_t len;
+    char *buf = NULL;
 
     if (isdigit(control[0]))
         ctl = mixer_get_ctl(mixer, atoi(control));
@@ -145,15 +145,17 @@ static void tinymix_detail_control(struct mixer *mixer, const char *control,
     type = mixer_ctl_get_type(ctl);
     num_values = mixer_ctl_get_num_values(ctl);
 
-    if (type == MIXER_CTL_TYPE_BYTE) {
-        len = num_values;
-        if (len > sizeof(buf)) {
-            fprintf(stderr, "Truncating get to %zu bytes\n", sizeof(buf));
-            len = sizeof(buf);
+    if ((type == MIXER_CTL_TYPE_BYTE) && (num_values > 0)) {
+        buf = calloc(1, num_values);
+        if (buf == NULL) {
+            fprintf(stderr, "Failed to alloc mem for bytes %u\n", num_values);
+            return;
         }
-        ret = mixer_ctl_get_array(ctl, buf, len);
+
+        ret = mixer_ctl_get_array(ctl, buf, num_values);
         if (ret < 0) {
             fprintf(stderr, "Failed to mixer_ctl_get_array\n");
+            free(buf);
             return;
         }
     }
@@ -189,21 +191,25 @@ static void tinymix_detail_control(struct mixer *mixer, const char *control,
             printf(" (range %d->%d)", min, max);
         }
     }
+
+    free(buf);
+
     printf("\n");
 }
 
-static void tinymix_set_byte_ctl(struct mixer_ctl *ctl, const char *control,
+static void tinymix_set_byte_ctl(struct mixer_ctl *ctl,
     char **values, unsigned int num_values)
 {
     int ret;
-    char buf[512] = { 0 };
+    char *buf;
     char *end;
-    int i;
+    unsigned int i;
     long n;
 
-    if (num_values > sizeof(buf)) {
-        fprintf(stderr, "Truncating set to %zu bytes\n", sizeof(buf));
-        num_values = sizeof(buf);
+    buf = calloc(1, num_values);
+    if (buf == NULL) {
+        fprintf(stderr, "set_byte_ctl: Failed to alloc mem for bytes %u\n", num_values);
+        exit(EXIT_FAILURE);
     }
 
     for (i = 0; i < num_values; i++) {
@@ -211,17 +217,17 @@ static void tinymix_set_byte_ctl(struct mixer_ctl *ctl, const char *control,
         n = strtol(values[i], &end, 0);
         if (*end) {
             fprintf(stderr, "%s not an integer\n", values[i]);
-            exit(EXIT_FAILURE);
+            goto fail;
         }
         if (errno) {
             fprintf(stderr, "strtol: %s: %s\n", values[i],
                 strerror(errno));
-            exit(EXIT_FAILURE);
+            goto fail;
         }
         if (n < 0 || n > 0xff) {
             fprintf(stderr, "%s should be between [0, 0xff]\n",
                 values[i]);
-            exit(EXIT_FAILURE);
+            goto fail;
         }
         buf[i] = n;
     }
@@ -229,8 +235,29 @@ static void tinymix_set_byte_ctl(struct mixer_ctl *ctl, const char *control,
     ret = mixer_ctl_set_array(ctl, buf, num_values);
     if (ret < 0) {
         fprintf(stderr, "Failed to set binary control\n");
-        exit(EXIT_FAILURE);
+        goto fail;
     }
+
+    free(buf);
+    return;
+
+fail:
+    free(buf);
+    exit(EXIT_FAILURE);
+}
+
+static int is_int(char *value)
+{
+    char* end;
+    long int result;
+
+    errno = 0;
+    result = strtol(value, &end, 10);
+
+    if (result == LONG_MIN || result == LONG_MAX)
+        return 0;
+
+    return errno == 0 && *end == '\0';
 }
 
 static void tinymix_set_value(struct mixer *mixer, const char *control,
@@ -255,11 +282,11 @@ static void tinymix_set_value(struct mixer *mixer, const char *control,
     num_ctl_values = mixer_ctl_get_num_values(ctl);
 
     if (type == MIXER_CTL_TYPE_BYTE) {
-        tinymix_set_byte_ctl(ctl, control, values, num_values);
+        tinymix_set_byte_ctl(ctl, values, num_values);
         return;
     }
 
-    if (isdigit(values[0][0])) {
+    if (is_int(values[0])) {
         if (num_values == 1) {
             /* Set all values the same */
             int value = atoi(values[0]);
@@ -274,13 +301,13 @@ static void tinymix_set_value(struct mixer *mixer, const char *control,
             /* Set multiple values */
             if (num_values > num_ctl_values) {
                 fprintf(stderr,
-                        "Error: %d values given, but control only takes %d\n",
+                        "Error: %u values given, but control only takes %u\n",
                         num_values, num_ctl_values);
                 return;
             }
             for (i = 0; i < num_values; i++) {
                 if (mixer_ctl_set_value(ctl, i, atoi(values[i]))) {
-                    fprintf(stderr, "Error: invalid value for index %d\n", i);
+                    fprintf(stderr, "Error: invalid value for index %u\n", i);
                     return;
                 }
             }
diff --git a/utils/tinypcminfo.1 b/utils/tinypcminfo.1
new file mode 100644
index 0000000..bcbcf96
--- /dev/null
+++ b/utils/tinypcminfo.1
@@ -0,0 +1,57 @@
+.TH TINYPCMINFO 1 "October 2, 2016" "tinypcminfo" "TinyALSA"
+
+.SH NAME
+tinypcminfo \- prints the hardware parameters of a PCM.
+
+.SH SYNOPSIS
+.B tinypcminfo\fR [ \fIoptions\fR ]
+
+.SH Description
+
+\fBtinypcminfo\fR prints the hardware parameters of a PCM, specified by it's card and device number.
+
+.SH OPTIONS
+
+.TP
+\fB\-D\fR \fIcard\fR
+Card number of the PCM.
+The default is 0.
+
+.TP
+\fB\-d\fR \fIdevice\fR
+Device number of the PCM.
+The default is 0.
+
+.SH EXAMPLES
+
+.TP
+\fBtinypcminfo\fR
+Prints hardware parameters for the PCM of card 0 and device 0.
+
+.TP
+\fBtinypcminfo -D 1
+Prints hardware parameters for the PCM of card 1 and device 0.
+
+.TP
+\fBtinypcminfo -d 1
+Prints hardware parameters for the PCM of card 0 and device 1.
+
+.TP
+\fBtinypcminfo -D 1 -d 1
+Prints hardware parameters for the PCM of card 1 and device 1.
+
+.SH BUGS
+
+Please report bugs to https://github.com/tinyalsa/tinyalsa/issues.
+
+.SH SEE ALSO
+
+.BR tinycap(1),
+.BR tinyplay(1),
+.BR tinymix(1)
+
+.SH AUTHORS
+Simon Wilson
+.P
+For a complete list of authors, visit the project page at https://github.com/tinyalsa/tinyalsa.
+
diff --git a/tinypcminfo.c b/utils/tinypcminfo.c
index 3282186..5b8db1f 100644
--- a/tinypcminfo.c
+++ b/utils/tinypcminfo.c
@@ -31,13 +31,79 @@
 #include <stdlib.h>
 #include <string.h>
 
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
+#endif
+
+/* The format_lookup is in order of SNDRV_PCM_FORMAT_##index and
+ * matches the grouping in sound/asound.h.  Note this is not
+ * continuous and has an empty gap from (25 - 30).
+ */
+static const char *format_lookup[] = {
+        /*[0] =*/ "S8",
+        "U8",
+        "S16_LE",
+        "S16_BE",
+        "U16_LE",
+        "U16_BE",
+        "S24_LE",
+        "S24_BE",
+        "U24_LE",
+        "U24_BE",
+        "S32_LE",
+        "S32_BE",
+        "U32_LE",
+        "U32_BE",
+        "FLOAT_LE",
+        "FLOAT_BE",
+        "FLOAT64_LE",
+        "FLOAT64_BE",
+        "IEC958_SUBFRAME_LE",
+        "IEC958_SUBFRAME_BE",
+        "MU_LAW",
+        "A_LAW",
+        "IMA_ADPCM",
+        "MPEG",
+        /*[24] =*/ "GSM",
+        [31] = "SPECIAL",
+        "S24_3LE",
+        "S24_3BE",
+        "U24_3LE",
+        "U24_3BE",
+        "S20_3LE",
+        "S20_3BE",
+        "U20_3LE",
+        "U20_3BE",
+        "S18_3LE",
+        "S18_3BE",
+        "U18_3LE",
+        /*[43] =*/ "U18_3BE",
+#if 0
+        /* recent additions, may not be present on local asound.h */
+        "G723_24",
+        "G723_24_1B",
+        "G723_40",
+        "G723_40_1B",
+        "DSD_U8",
+        "DSD_U16_LE",
+#endif
+};
+
+/* Returns a human readable name for the format associated with bit_index,
+ * NULL if bit_index is not known.
+ */
+static inline const char *pcm_get_format_name(unsigned bit_index)
+{
+    return bit_index < ARRAY_SIZE(format_lookup) ? format_lookup[bit_index] : NULL;
+}
+
 int main(int argc, char **argv)
 {
     unsigned int device = 0;
     unsigned int card = 0;
     int i;
 
-    if (argc < 3) {
+    if ((argc == 2) && (strcmp(argv[1], "--help") == 0)) {
         fprintf(stderr, "Usage: %s -D card -d device\n", argv[0]);
         return 1;
     }
@@ -59,10 +125,11 @@ int main(int argc, char **argv)
             argv++;
     }
 
-    printf("Info for card %d, device %d:\n", card, device);
+    printf("Info for card %u, device %u:\n", card, device);
 
     for (i = 0; i < 2; i++) {
         struct pcm_params *params;
+        struct pcm_mask *m;
         unsigned int min;
         unsigned int max;
 
@@ -74,6 +141,45 @@ int main(int argc, char **argv)
             continue;
         }
 
+        m = pcm_params_get_mask(params, PCM_PARAM_ACCESS);
+        if (m) { /* bitmask, refer to SNDRV_PCM_ACCESS_*, generally interleaved */
+            printf("      Access:\t%#08x\n", m->bits[0]);
+        }
+        m = pcm_params_get_mask(params, PCM_PARAM_FORMAT);
+        if (m) { /* bitmask, refer to: SNDRV_PCM_FORMAT_* */
+            unsigned j, k, count = 0;
+            const unsigned bitcount = sizeof(m->bits[0]) * 8;
+
+            /* we only check first two format masks (out of 8) - others are zero. */
+            printf("   Format[0]:\t%#08x\n", m->bits[0]);
+            printf("   Format[1]:\t%#08x\n", m->bits[1]);
+
+            /* print friendly format names, if they exist */
+            for (k = 0; k < 2; ++k) {
+                for (j = 0; j < bitcount; ++j) {
+                    const char *name;
+
+                    if (m->bits[k] & (1 << j)) {
+                        name = pcm_get_format_name(j + k*bitcount);
+                        if (name) {
+                            if (count++ == 0) {
+                                printf(" Format Name:\t");
+                            } else {
+                                printf (", ");
+                            }
+                            printf("%s", name);
+                        }
+                    }
+                }
+            }
+            if (count) {
+                printf("\n");
+            }
+        }
+        m = pcm_params_get_mask(params, PCM_PARAM_SUBFORMAT);
+        if (m) { /* bitmask, should be 1: SNDRV_PCM_SUBFORMAT_STD */
+            printf("   Subformat:\t%#08x\n", m->bits[0]);
+        }
         min = pcm_params_get_min(params, PCM_PARAM_RATE);
         max = pcm_params_get_max(params, PCM_PARAM_RATE);
         printf("        Rate:\tmin=%uHz\tmax=%uHz\n", min, max);
diff --git a/utils/tinyplay.1 b/utils/tinyplay.1
new file mode 100644
index 0000000..bfd81be
--- /dev/null
+++ b/utils/tinyplay.1
@@ -0,0 +1,93 @@
+.TH TINYPLAY 1 "October 2, 2016" "tinyplay" "TinyALSA"
+
+.SH NAME
+tinyplay \- sends audio to an audio device
+
+.SH SYNOPSIS
+.B tinyplay\fR \fIfile\fR [ \fIoptions\fR ]
+
+.SH Description
+
+\fBtinyplay\fR can send audio to an audio device from a wav file or standard input (as raw samples).
+Options can be used to specify various hardware parameters to open the PCM with.
+
+.SH OPTIONS
+
+.TP
+\fB\-D\fR \fIcard\fR
+Card number of the PCM.
+The default is 0.
+
+.TP
+\fB\-d\fR \fIdevice\fR
+Device number of the PCM.
+The default is 0.
+
+.TP
+\fB\-c\fR \fIchannels\fR
+Number of channels the PCM will have.
+This option is only valid for raw file types.
+The default is 2 for raw file types.
+
+.TP
+\fB\-r\fR \fIrate\fR
+Number of frames per second of the PCM.
+This option is only valid for raw file types.
+The default is 48000 for raw file types.
+
+.TP
+\fB\-i\fR \fIfile-type\fR
+The file type used for playback.
+Available types are \fIraw\fR and \fIwav\fR.
+Specifying \fIraw\fR means that \fIchannels\fR, \fIrate\fR and \fIbits\fR may have to be specified as well.
+The default is \fIwav\fR.
+
+.TP
+\fB\-b\fR \fIbits\fR
+Number of bits per sample the PCM will have.
+This option is only valid for raw file types.
+The default is 16 for raw file types.
+
+.TP
+\fB\-p\fR \fIperiod_size\fR
+Number of frames in a period.
+The default is 1024.
+
+.TP
+\fB\-n\fR \fIperiods\fR
+Number of periods the PCM will have.
+The default is 4.
+
+.SH SIGNALS
+
+When playing audio, SIGINT will stop the playback and close the file.
+
+.SH EXAMPLES
+
+.TP
+\fBtinyplay output.wav\fR
+Plays a file called output.wav.
+
+.TP
+\fBtinyplay output.wav -D 1
+Plays a file called output.wav on card 1.
+
+.TP
+\fBtinyplay output.raw -i raw --channels 2 --rate 44100 --bits 32
+Plays a raw audio file called output.raw; using 2 channels, 44100 frames per second and 32 bits per sample.
+
+.SH BUGS
+
+Please report bugs to https://github.com/tinyalsa/tinyalsa/issues.
+
+.SH SEE ALSO
+
+.BR tinycap(1),
+.BR tinymix(1),
+.BR tinypcminfo(1)
+
+.SH AUTHORS
+Simon Wilson
+.P
+For a complete list of authors, visit the project page at https://github.com/tinyalsa/tinyalsa.
+
diff --git a/tinyplay.c b/utils/tinyplay.c
index f4fac9f..1c4e23f 100644
--- a/tinyplay.c
+++ b/utils/tinyplay.c
@@ -81,12 +81,18 @@ int main(int argc, char **argv)
     unsigned int card = 0;
     unsigned int period_size = 1024;
     unsigned int period_count = 4;
+    unsigned int channels = 2;
+    unsigned int rate = 48000;
+    unsigned int bits = 16;
+    unsigned int is_raw = 0; /* Default wav file */
     char *filename;
     int more_chunks = 1;
 
     if (argc < 2) {
-        fprintf(stderr, "Usage: %s file.wav [-D card] [-d device] [-p period_size]"
+        fprintf(stderr, "Usage1: %s file.wav [-D card] [-d device] [-p period_size]"
                 " [-n n_periods] \n", argv[0]);
+        fprintf(stderr, "Usage2: %s file.raw [-D card] [-d device] [-p period_size] "
+                "[-n n_periods] [-c channels] [-r rate] [-b bits] -i raw \n", argv[0]);
         return 1;
     }
 
@@ -97,34 +103,6 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    fread(&riff_wave_header, sizeof(riff_wave_header), 1, file);
-    if ((riff_wave_header.riff_id != ID_RIFF) ||
-        (riff_wave_header.wave_id != ID_WAVE)) {
-        fprintf(stderr, "Error: '%s' is not a riff/wave file\n", filename);
-        fclose(file);
-        return 1;
-    }
-
-    do {
-        fread(&chunk_header, sizeof(chunk_header), 1, file);
-
-        switch (chunk_header.id) {
-        case ID_FMT:
-            fread(&chunk_fmt, sizeof(chunk_fmt), 1, file);
-            /* If the format header is larger, skip the rest */
-            if (chunk_header.sz > sizeof(chunk_fmt))
-                fseek(file, chunk_header.sz - sizeof(chunk_fmt), SEEK_CUR);
-            break;
-        case ID_DATA:
-            /* Stop looking for chunks */
-            more_chunks = 0;
-            break;
-        default:
-            /* Unknown chunk, skip bytes */
-            fseek(file, chunk_header.sz, SEEK_CUR);
-        }
-    } while (more_chunks);
-
     /* parse command line arguments */
     argv += 2;
     while (*argv) {
@@ -148,12 +126,83 @@ int main(int argc, char **argv)
             if (*argv)
                 card = atoi(*argv);
         }
+        if (strcmp(*argv, "-c") == 0) {
+            argv++;
+            if (*argv)
+                channels = atoi(*argv);
+        }
+        if (strcmp(*argv, "-r") == 0) {
+            argv++;
+            if (*argv)
+                rate = atoi(*argv);
+        }
+        if (strcmp(*argv, "-b") == 0) {
+            argv++;
+            if (*argv)
+                bits = atoi(*argv);
+        }
+        if (strcmp(*argv, "-i") == 0) {
+            argv++;
+            if (*argv) {
+                if (strcasecmp(*argv, "raw") == 0) {
+                    is_raw = 1;
+                } else if (strcasecmp(*argv, "wav") == 0) {
+                    is_raw = 0;
+                } else {
+                    fprintf(stderr, "Error: file type '%s' not supported\n", *argv);
+                    fclose(file);
+                    return 1;
+                }
+            }
+        }
         if (*argv)
             argv++;
     }
 
-    play_sample(file, card, device, chunk_fmt.num_channels, chunk_fmt.sample_rate,
-                chunk_fmt.bits_per_sample, period_size, period_count);
+    if ( !is_raw ) {
+        if (fread(&riff_wave_header, sizeof(riff_wave_header), 1, file) != 1){
+            fprintf(stderr, "Error: '%s' does not contain a riff/wave header\n", filename);
+            fclose(file);
+            return 1;
+        }
+        if ((riff_wave_header.riff_id != ID_RIFF) ||
+            (riff_wave_header.wave_id != ID_WAVE)) {
+            fprintf(stderr, "Error: '%s' is not a riff/wave file\n", filename);
+            fclose(file);
+            return 1;
+        }
+        do {
+            if (fread(&chunk_header, sizeof(chunk_header), 1, file) != 1){
+                fprintf(stderr, "Error: '%s' does not contain a data chunk\n", filename);
+                fclose(file);
+                return 1;
+            }
+            switch (chunk_header.id) {
+            case ID_FMT:
+                if (fread(&chunk_fmt, sizeof(chunk_fmt), 1, file) != 1){
+                    fprintf(stderr, "Error: '%s' has incomplete format chunk\n", filename);
+                    fclose(file);
+                    return 1;
+                }
+                /* If the format header is larger, skip the rest */
+                if (chunk_header.sz > sizeof(chunk_fmt))
+                    fseek(file, chunk_header.sz - sizeof(chunk_fmt), SEEK_CUR);
+                break;
+            case ID_DATA:
+                /* Stop looking for chunks */
+                more_chunks = 0;
+                break;
+            default:
+                /* Unknown chunk, skip bytes */
+                fseek(file, chunk_header.sz, SEEK_CUR);
+            }
+        } while (more_chunks);
+        channels = chunk_fmt.num_channels;
+        rate = chunk_fmt.sample_rate;
+        bits = chunk_fmt.bits_per_sample;
+    }
+
+    play_sample(file, card, device, channels, rate, bits, period_size, period_count);
 
     fclose(file);
 
@@ -218,6 +267,7 @@ void play_sample(FILE *file, unsigned int card, unsigned int device, unsigned in
     int size;
     int num_read;
 
+    memset(&config, 0, sizeof(config));
     config.channels = channels;
     config.rate = rate;
     config.period_size = period_size;
diff --git a/utils/tinywavinfo.c b/utils/tinywavinfo.c
new file mode 100644
index 0000000..99ee5da
--- /dev/null
+++ b/utils/tinywavinfo.c
@@ -0,0 +1,214 @@
+/* tinywavinfo.c
+**
+** Copyright 2015, The Android Open Source Project
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are met:
+**     * Redistributions of source code must retain the above copyright
+**       notice, this list of conditions and the following disclaimer.
+**     * Redistributions in binary form must reproduce the above copyright
+**       notice, this list of conditions and the following disclaimer in the
+**       documentation and/or other materials provided with the distribution.
+**     * Neither the name of The Android Open Source Project nor the names of
+**       its contributors may be used to endorse or promote products derived
+**       from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND
+** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+** DAMAGE.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <signal.h>
+#include <math.h>
+#include <malloc.h>
+
+#define ID_RIFF 0x46464952
+#define ID_WAVE 0x45564157
+#define ID_FMT  0x20746d66
+#define ID_DATA 0x61746164
+
+struct riff_wave_header {
+    uint32_t riff_id;
+    uint32_t riff_sz;
+    uint32_t wave_id;
+};
+
+struct chunk_header {
+    uint32_t id;
+    uint32_t sz;
+};
+
+struct chunk_fmt {
+    uint16_t audio_format;
+    uint16_t num_channels;
+    uint32_t sample_rate;
+    uint32_t byte_rate;
+    uint16_t block_align;
+    uint16_t bits_per_sample;
+};
+
+static int close = 0;
+
+void analyse_sample(FILE *file, unsigned int channels, unsigned int bits,
+                    unsigned int data_chunk_size);
+
+void stream_close(int sig)
+{
+    /* allow the stream to be closed gracefully */
+    signal(sig, SIG_IGN);
+    close = 1;
+}
+
+int main(int argc, char **argv)
+{
+    FILE *file;
+    struct riff_wave_header riff_wave_header;
+    struct chunk_header chunk_header;
+    struct chunk_fmt chunk_fmt;
+    char *filename;
+    int more_chunks = 1;
+
+    if (argc < 2) {
+        fprintf(stderr, "Usage: %s file.wav \n", argv[0]);
+        return 1;
+    }
+
+    filename = argv[1];
+    file = fopen(filename, "rb");
+    if (!file) {
+        fprintf(stderr, "Unable to open file '%s'\n", filename);
+        return 1;
+    }
+
+    fread(&riff_wave_header, sizeof(riff_wave_header), 1, file);
+    if ((riff_wave_header.riff_id != ID_RIFF) ||
+        (riff_wave_header.wave_id != ID_WAVE)) {
+        fprintf(stderr, "Error: '%s' is not a riff/wave file\n", filename);
+        fclose(file);
+        return 1;
+    }
+
+    do {
+        fread(&chunk_header, sizeof(chunk_header), 1, file);
+
+        switch (chunk_header.id) {
+        case ID_FMT:
+            fread(&chunk_fmt, sizeof(chunk_fmt), 1, file);
+            /* If the format header is larger, skip the rest */
+            if (chunk_header.sz > sizeof(chunk_fmt))
+                fseek(file, chunk_header.sz - sizeof(chunk_fmt), SEEK_CUR);
+            break;
+        case ID_DATA:
+            /* Stop looking for chunks */
+            more_chunks = 0;
+            break;
+        default:
+            /* Unknown chunk, skip bytes */
+            fseek(file, chunk_header.sz, SEEK_CUR);
+        }
+    } while (more_chunks);
+
+    printf("Input File       : %s \n", filename);
+    printf("Channels         : %u \n", chunk_fmt.num_channels);
+    printf("Sample Rate      : %u \n", chunk_fmt.sample_rate);
+    printf("Bits per sample  : %u \n\n", chunk_fmt.bits_per_sample);
+
+    analyse_sample(file, chunk_fmt.num_channels, chunk_fmt.bits_per_sample,
+                    chunk_header.sz);
+
+    fclose(file);
+
+    return 0;
+}
+
+void analyse_sample(FILE *file, unsigned int channels, unsigned int bits,
+                    unsigned int data_chunk_size)
+{
+    void *buffer;
+    int size;
+    int num_read;
+    int i;
+    unsigned int ch;
+    int frame_size = 1024;
+    unsigned int byte_align = 0;
+    float *power;
+    int total_sample_per_channel;
+    float normalization_factor;
+
+    if (bits == 32)
+        byte_align = 4;
+    else if (bits == 16)
+        byte_align = 2;
+
+    normalization_factor = (float)pow(2.0, (bits-1));
+
+    size = channels * byte_align * frame_size;
+    buffer = memalign(byte_align, size);
+
+    if (!buffer) {
+        fprintf(stderr, "Unable to allocate %d bytes\n", size);
+        free(buffer);
+        return;
+    }
+
+    power = (float *) calloc(channels, sizeof(float));
+
+    total_sample_per_channel = data_chunk_size / (channels * byte_align);
+
+    /* catch ctrl-c to shutdown cleanly */
+    signal(SIGINT, stream_close);
+
+    do {
+        num_read = fread(buffer, 1, size, file);
+        if (num_read > 0) {
+            if (2 == byte_align) {
+                short *buffer_ptr = (short *)buffer;
+                for (i = 0; i < num_read; i += channels) {
+                    for (ch = 0; ch < channels; ch++) {
+                        int temp = *buffer_ptr++;
+                        /* Signal Normalization */
+                        float f = (float) temp / normalization_factor;
+                        *(power + ch) += (float) (f * f);
+                    }
+                }
+            }
+            if (4 == byte_align) {
+                int *buffer_ptr = (int *)buffer;
+                for (i = 0; i < num_read; i += channels) {
+                    for (ch = 0; ch < channels; ch++) {
+                        int temp = *buffer_ptr++;
+                        /* Signal Normalization */
+                        float f = (float) temp / normalization_factor;
+                        *(power + ch) += (float) (f * f);
+                    }
+                }
+            }
+        }
+    }while (!close && num_read > 0);
+
+    for (ch = 0; ch < channels; ch++) {
+        float average_power = 10 * log10((*(power + ch)) / total_sample_per_channel);
+        if(isinf (average_power)) {
+            printf("Channel [%2u] Average Power : NO signal or ZERO signal\n", ch);
+        } else {
+            printf("Channel [%2u] Average Power : %.2f dB\n", ch, average_power);
+        }
+    }
+
+    free(buffer);
+    free(power);
+
+}
+