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Added snd_pcm_format_physical_width...

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This commit is contained in:
Jaroslav Kysela 2000-03-30 13:21:26 +00:00
parent 098b4b6a96
commit 749f2ffd77
3 changed files with 42 additions and 4 deletions
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37
src/pcm/pcm_misc.c
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@ -148,6 +148,43 @@ int snd_pcm_format_width(int format)
}
}
int snd_pcm_format_physical_width(int format)
{
switch (format) {
case SND_PCM_SFMT_S8:
case SND_PCM_SFMT_U8:
return 8;
case SND_PCM_SFMT_S16_LE:
case SND_PCM_SFMT_S16_BE:
case SND_PCM_SFMT_U16_LE:
case SND_PCM_SFMT_U16_BE:
return 16;
case SND_PCM_SFMT_S24_LE:
case SND_PCM_SFMT_S24_BE:
case SND_PCM_SFMT_U24_LE:
case SND_PCM_SFMT_U24_BE:
case SND_PCM_SFMT_S32_LE:
case SND_PCM_SFMT_S32_BE:
case SND_PCM_SFMT_U32_LE:
case SND_PCM_SFMT_U32_BE:
case SND_PCM_SFMT_FLOAT_LE:
case SND_PCM_SFMT_FLOAT_BE:
case SND_PCM_SFMT_IEC958_SUBFRAME_LE:
case SND_PCM_SFMT_IEC958_SUBFRAME_BE:
return 32;
case SND_PCM_SFMT_FLOAT64_LE:
case SND_PCM_SFMT_FLOAT64_BE:
return 64;
case SND_PCM_SFMT_MU_LAW:
case SND_PCM_SFMT_A_LAW:
return 8;
case SND_PCM_SFMT_IMA_ADPCM:
return 4;
default:
return -EINVAL;
}
}
ssize_t snd_pcm_format_size(int format, size_t samples)
{
if (samples < 0)