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output/alsa: support packed 24 bit samples

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This commit is contained in:
Max Kellermann 2010-01-16 18:35:10 +01:00
parent 1abfcc56af
commit 26841b6058
1 changed files with 13 additions and 0 deletions
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13
src/output/alsa_plugin.c
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@ -195,6 +195,11 @@ get_bitformat(enum sample_format sample_format)
case SAMPLE_FORMAT_S24_P32: case SAMPLE_FORMAT_S24_P32:
return SND_PCM_FORMAT_S24; return SND_PCM_FORMAT_S24;
case SAMPLE_FORMAT_S24:
return G_BYTE_ORDER == G_BIG_ENDIAN
? SND_PCM_FORMAT_S24_3BE
: SND_PCM_FORMAT_S24_3LE;
case SAMPLE_FORMAT_S32: case SAMPLE_FORMAT_S32:
return SND_PCM_FORMAT_S32; return SND_PCM_FORMAT_S32;
@ -212,6 +217,13 @@ byteswap_bitformat(snd_pcm_format_t fmt)
case SND_PCM_FORMAT_S32_LE: return SND_PCM_FORMAT_S32_BE; case SND_PCM_FORMAT_S32_LE: return SND_PCM_FORMAT_S32_BE;
case SND_PCM_FORMAT_S16_BE: return SND_PCM_FORMAT_S16_LE; case SND_PCM_FORMAT_S16_BE: return SND_PCM_FORMAT_S16_LE;
case SND_PCM_FORMAT_S24_BE: return SND_PCM_FORMAT_S24_LE; case SND_PCM_FORMAT_S24_BE: return SND_PCM_FORMAT_S24_LE;
case SND_PCM_FORMAT_S24_3BE:
return SND_PCM_FORMAT_S24_3LE;
case SND_PCM_FORMAT_S24_3LE:
return SND_PCM_FORMAT_S24_3BE;
case SND_PCM_FORMAT_S32_BE: return SND_PCM_FORMAT_S32_LE; case SND_PCM_FORMAT_S32_BE: return SND_PCM_FORMAT_S32_LE;
default: return SND_PCM_FORMAT_UNKNOWN; default: return SND_PCM_FORMAT_UNKNOWN;
} }
@ -296,6 +308,7 @@ alsa_output_setup_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *hwparams,
static const enum sample_format probe_formats[] = { static const enum sample_format probe_formats[] = {
SAMPLE_FORMAT_S24_P32, SAMPLE_FORMAT_S24_P32,
SAMPLE_FORMAT_S32, SAMPLE_FORMAT_S32,
SAMPLE_FORMAT_S24,
SAMPLE_FORMAT_S16, SAMPLE_FORMAT_S16,
SAMPLE_FORMAT_S8, SAMPLE_FORMAT_S8,
SAMPLE_FORMAT_UNDEFINED, SAMPLE_FORMAT_UNDEFINED,