From d6e7e04edb3e2049eb9bd6632f06480ba2e7b848 Mon Sep 17 00:00:00 2001 From: Taylor Holberton Date: Thu, 6 Apr 2017 23:04:20 -0700 Subject: added limits for frames and channels --- include/tinyalsa/limits.h | 62 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 include/tinyalsa/limits.h (limited to 'include') diff --git a/include/tinyalsa/limits.h b/include/tinyalsa/limits.h new file mode 100644 index 0000000..6f788c2 --- /dev/null +++ b/include/tinyalsa/limits.h @@ -0,0 +1,62 @@ +/* limits.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. +*/ + +#ifndef TINYALSA_LIMITS_H +#define TINYALSA_LIMITS_H + +#include + +#include +#include + +#define TINYALSA_SIGNED_INTERVAL_MAX SSIZE_MAX +#define TINYALSA_SIGNED_INTERVAL_MIN SSIZE_MIN + +#define TINYALSA_UNSIGNED_INTERVAL_MAX SIZE_MAX +#define TINYALSA_UNSIGNED_INTERVAL_MIN SIZE_MIN + +#define TINYALSA_CHANNELS_MAX 32U +#define TINYALSA_CHANNELS_MIN 1U + +#define TINYALSA_FRAMES_MAX (ULONG_MAX / (TINYALSA_CHANNELS_MAX * 4)) +#define TINYALSA_FRAMES_MIN 0U + +#if TINYALSA_FRAMES_MAX > TINYALSA_UNSIGNED_INTERVAL_MAX +#error "Frames max exceeds measurable value." +#endif + +#if TINYALSA_FRAMES_MIN < TINYALSA_UNSIGNED_INTERVAL_MIN +#error "Frames min exceeds measurable value." +#endif + +extern const struct tinyalsa_unsigned_interval tinyalsa_channels_limit; + +extern const struct tinyalsa_unsigned_interval tinyalsa_frames_limit; + +#endif /* TINYALSA_LIMITS_H */ + -- cgit v1.2.3