[alsa-devel] [PATCH v2] pcm: 2nd round of pcm_misc DSD fixes

[Takashi Iwai]

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 at 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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