[alsa-devel] [PATCH v2] pcm: 2nd round of pcm_misc DSD fixes
Functions 'snd_pcm_format_silence_64' and 'snd_pcm_format_size' also need to be able to handle the DSD smaple format.
Changes from v1: - Correct silence pattern for DSD
Signed-off-by: Jurgen Kramer gtmkramer@xs4all.nl --- src/pcm/pcm_misc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/src/pcm/pcm_misc.c b/src/pcm/pcm_misc.c index 24d52f9..46fc771 100644 --- a/src/pcm/pcm_misc.c +++ b/src/pcm/pcm_misc.c @@ -317,11 +317,13 @@ ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples) switch (format) { case SNDRV_PCM_FORMAT_S8: case SNDRV_PCM_FORMAT_U8: + case SNDRV_PCM_FORMAT_DSD_U8: return samples; case SNDRV_PCM_FORMAT_S16_LE: case SNDRV_PCM_FORMAT_S16_BE: case SNDRV_PCM_FORMAT_U16_LE: case SNDRV_PCM_FORMAT_U16_BE: + case SNDRV_PCM_FORMAT_DSD_U16_LE: return samples * 2; case SNDRV_PCM_FORMAT_S18_3LE: case SNDRV_PCM_FORMAT_S18_3BE: @@ -390,6 +392,9 @@ u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format) return 0; case SNDRV_PCM_FORMAT_U8: return 0x8080808080808080ULL; + case SNDRV_PCM_FORMAT_DSD_U8: + case SNDRV_PCM_FORMAT_DSD_U16_LE: + return 0x6969696969696969ULL; #ifdef SNDRV_LITTLE_ENDIAN case SNDRV_PCM_FORMAT_U16_LE: return 0x8000800080008000ULL;
At Fri, 22 Aug 2014 10:15:10 +0200, Jurgen Kramer wrote:
Functions 'snd_pcm_format_silence_64' and 'snd_pcm_format_size' also need to be able to handle the DSD smaple format.
Changes from v1:
- Correct silence pattern for DSD
Signed-off-by: Jurgen Kramer gtmkramer@xs4all.nl
Applied, thanks.
Takashi
src/pcm/pcm_misc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/src/pcm/pcm_misc.c b/src/pcm/pcm_misc.c index 24d52f9..46fc771 100644 --- a/src/pcm/pcm_misc.c +++ b/src/pcm/pcm_misc.c @@ -317,11 +317,13 @@ ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples) switch (format) { case SNDRV_PCM_FORMAT_S8: case SNDRV_PCM_FORMAT_U8:
- case SNDRV_PCM_FORMAT_DSD_U8: return samples; case SNDRV_PCM_FORMAT_S16_LE: case SNDRV_PCM_FORMAT_S16_BE: case SNDRV_PCM_FORMAT_U16_LE: case SNDRV_PCM_FORMAT_U16_BE:
- case SNDRV_PCM_FORMAT_DSD_U16_LE: return samples * 2; case SNDRV_PCM_FORMAT_S18_3LE: case SNDRV_PCM_FORMAT_S18_3BE:
@@ -390,6 +392,9 @@ u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format) return 0; case SNDRV_PCM_FORMAT_U8: return 0x8080808080808080ULL;
- case SNDRV_PCM_FORMAT_DSD_U8:
- case SNDRV_PCM_FORMAT_DSD_U16_LE:
return 0x6969696969696969ULL;#ifdef SNDRV_LITTLE_ENDIAN case SNDRV_PCM_FORMAT_U16_LE: return 0x8000800080008000ULL; -- 1.9.3
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participants (2)
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Jurgen Kramer -
Takashi Iwai