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pcm: add new 32-bit DSD sample format

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Add the new DSD_U32_LE sample format to alsa-lib.

NB include/pcm.h and include/sound/asound.h are updated so a new sync with the
kernel headers is not needed

Signed-off-by: Jurgen Kramer <gtmkramer@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jurgen Kramer 2014-09-10 09:00:28 +02:00 • committed by Takashi Iwai
parent 622b1b6bdb
commit e59ffbf30e
4 changed files with 13 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/pcm/pcm_misc.c
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@ -64,6 +64,7 @@ int snd_pcm_format_signed(snd_pcm_format_t format)
case SNDRV_PCM_FORMAT_U18_3BE:
case SNDRV_PCM_FORMAT_DSD_U8:
case SNDRV_PCM_FORMAT_DSD_U16_LE:
case SNDRV_PCM_FORMAT_DSD_U32_LE:
return 0;
default:
return -EINVAL;
@ -154,6 +155,7 @@ int snd_pcm_format_little_endian(snd_pcm_format_t format)
case SNDRV_PCM_FORMAT_U18_3BE:
case SNDRV_PCM_FORMAT_DSD_U8:
case SNDRV_PCM_FORMAT_DSD_U16_LE:
case SNDRV_PCM_FORMAT_DSD_U32_LE:
return 0;
default:
return -EINVAL;
@ -232,6 +234,7 @@ int snd_pcm_format_width(snd_pcm_format_t format)
case SNDRV_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_FLOAT_LE:
case SNDRV_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_DSD_U32_LE:
return 32;
case SNDRV_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
@ -292,6 +295,7 @@ int snd_pcm_format_physical_width(snd_pcm_format_t format)
case SNDRV_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
case SNDRV_PCM_FORMAT_DSD_U32_LE:
return 32;
case SNDRV_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
@ -348,6 +352,7 @@ ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples)
case SNDRV_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_FLOAT_LE:
case SNDRV_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_DSD_U32_LE:
return samples * 4;
case SNDRV_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
@ -394,6 +399,7 @@ u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format)
return 0x8080808080808080ULL;
case SNDRV_PCM_FORMAT_DSD_U8:
case SNDRV_PCM_FORMAT_DSD_U16_LE:
case SNDRV_PCM_FORMAT_DSD_U32_LE:
return 0x6969696969696969ULL;
#ifdef SNDRV_LITTLE_ENDIAN
case SNDRV_PCM_FORMAT_U16_LE: