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Enhanced bitmasks in PCM - added support for more formats by Takashi and me

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This commit is contained in:
Jaroslav Kysela 2002-06-26 02:04:11 +00:00
parent 84730c976f
commit 16b3bf447c
14 changed files with 893 additions and 162 deletions
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28
include/pcm.h
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@ -160,7 +160,31 @@ typedef enum _snd_pcm_format {
SND_PCM_FORMAT_GSM,
/** Special */
SND_PCM_FORMAT_SPECIAL = 31,
SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_SPECIAL,
/** Signed 24bit Little Endian in 3bytes format */
SND_PCM_FORMAT_S24_3LE = 32,
/** Signed 24bit Big Endian in 3bytes format */
SND_PCM_FORMAT_S24_3BE,
/** Unsigned 24bit Little Endian in 3bytes format */
SND_PCM_FORMAT_U24_3LE,
/** Unsigned 24bit Big Endian in 3bytes format */
SND_PCM_FORMAT_U24_3BE,
/** Signed 20bit Little Endian in 3bytes format */
SND_PCM_FORMAT_S20_3LE,
/** Signed 20bit Big Endian in 3bytes format */
SND_PCM_FORMAT_S20_3BE,
/** Unsigned 20bit Little Endian in 3bytes format */
SND_PCM_FORMAT_U20_3LE,
/** Unsigned 20bit Big Endian in 3bytes format */
SND_PCM_FORMAT_U20_3BE,
/** Signed 18bit Little Endian in 3bytes format */
SND_PCM_FORMAT_S18_3LE,
/** Signed 18bit Big Endian in 3bytes format */
SND_PCM_FORMAT_S18_3BE,
/** Unsigned 18bit Little Endian in 3bytes format */
SND_PCM_FORMAT_U18_3LE,
/** Unsigned 18bit Big Endian in 3bytes format */
SND_PCM_FORMAT_U18_3BE,
SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_U18_3BE,
#if __BYTE_ORDER == __LITTLE_ENDIAN
/** Signed 16 bit CPU endian */
@ -817,7 +841,7 @@ int snd_pcm_format_big_endian(snd_pcm_format_t format);
int snd_pcm_format_cpu_endian(snd_pcm_format_t format);
int snd_pcm_format_width(snd_pcm_format_t format); /* in bits */
int snd_pcm_format_physical_width(snd_pcm_format_t format); /* in bits */
snd_pcm_format_t snd_pcm_build_linear_format(int width, int unsignd, int big_endian);
snd_pcm_format_t snd_pcm_build_linear_format(int width, int pwidth, int unsignd, int big_endian);
ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples);
u_int8_t snd_pcm_format_silence(snd_pcm_format_t format);
u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format);