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alsa: add support for more formats. 

Specifically, f32, f64, s32, s24, a-law and mu-law.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Carl Eugen Hoyos 2011-06-13 21:16:30 +02:00 committed by Anton Khirnov
parent 8986fddc2b
commit 921715edff
1 changed files with 10 additions and 0 deletions
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10
libavdevice/alsa-audio-common.c
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@ -36,9 +36,19 @@
static av_cold snd_pcm_format_t codec_id_to_pcm_format(int codec_id)
{
switch(codec_id) {
case CODEC_ID_PCM_F64LE: return SND_PCM_FORMAT_FLOAT64_LE;
case CODEC_ID_PCM_F64BE: return SND_PCM_FORMAT_FLOAT64_BE;
case CODEC_ID_PCM_F32LE: return SND_PCM_FORMAT_FLOAT_LE;
case CODEC_ID_PCM_F32BE: return SND_PCM_FORMAT_FLOAT_BE;
case CODEC_ID_PCM_S32LE: return SND_PCM_FORMAT_S32_LE;
case CODEC_ID_PCM_S32BE: return SND_PCM_FORMAT_S32_BE;
case CODEC_ID_PCM_S24LE: return SND_PCM_FORMAT_S24_3LE;
case CODEC_ID_PCM_S24BE: return SND_PCM_FORMAT_S24_3BE;
case CODEC_ID_PCM_S16LE: return SND_PCM_FORMAT_S16_LE;
case CODEC_ID_PCM_S16BE: return SND_PCM_FORMAT_S16_BE;
case CODEC_ID_PCM_S8: return SND_PCM_FORMAT_S8;
case CODEC_ID_PCM_MULAW: return SND_PCM_FORMAT_MU_LAW;
case CODEC_ID_PCM_ALAW: return SND_PCM_FORMAT_A_LAW;
default: return SND_PCM_FORMAT_UNKNOWN;
}
}