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pcm_get_htimestamp() should return an error if stream state is not
running or draining as the time stamp returned by the driver is not
valid in other states.
Change-Id: Icdfe9554b26f57119d7a8d762a6ea6e8e3eaf370
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The changes made for mmap mode broke the underrun detection by
pushing the stop_threshold beyong the buffer size.
This caused the hw_ptr to go past the app_ptr and
pcm_get_htimestamp() to report wrong values in case of underrun.
Change-Id: Ic671fdd09f3afb8a301a391b48788fd9bc99322d
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Use existing routines to read BYTE controls. Somewhat inefficient
since an ioctl is done for every byte, some caching in intermediate
fields would be beneficial.
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Comment on buffer size was wrong. Argument to bytes_to_frames
is bytes, not frames
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Add mmap playback and no period IRQ support to pcm core.
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Change-Id: I8f04a5dec575bf20459968fb1f181071ae856ed0
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Change-Id: Ia7a34033262316e2b8034782af5f59e013dd77f3
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Fixes tinyplay and tinycap after a recent change to allow
threasholds to be set in the pcm module.
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Add the ability to explicitly set start, stop and silence thresholds during
tinyalsa's pcm_open. Setting any of these values to 0 in your pcm_config
structure will cause the system to use its old defaults.
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Add a extern "C" controlled by an #ifdef __cplusplus directive so that this
header can be included from C++ code without having to explicitly control the
linkage.
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Otherwise we just list a device with zero controls which isn't the most
obvious failure mode.
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Android.mk: Disable prelinking by default
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include: Add a local asound.h to allow build with current public releases
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pcm_get_htimestamp() returns the number of available frames
in the kernel driver buffers as well as the corresponding
high resolution time stamp.
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Support building out of the box on Android releases that don't have this
library in their prelink map.
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Bionic does not ship a copy of asound.h and it should do no harm to have
a local copy here.
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This adds a utility to capture audio with a specified number of
parameters. Capturing continues until a signal is received
(ctrl-c).
Contains some contributions from Chris Kelly <c-kelly@ti.com>
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This is essential for streams such as loopback devices that
do not transfer data.
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Remove the use of the errno variable and instead return errors
directly where appropriate.
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- re-add function to set enum type by string
- implement setting of mixer values in tinymix
- fix bug: read current mixer values before writing
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- simplify interface for setting/getting enum values
- implement enum string get function
- update tinymix to deal with enums
- rename set/get_int functions because of supported types
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- support get/set of multiple values
- add parameter checking to functions
- add api function to get control type
- add tinymix utility to list mixer controls
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- Add to Android.mk
- Add "all" rule to Makefile
- Remove redundant old play code from tinyplay.c
- Add error checking to tinyplay
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