oysteikt/mpd
0
0
Fork 0
Code Issues Pull Requests Releases Activity

output/alsa: basic infrastructure for DSD_U16 and DSD_U32

Browse Source
This commit is contained in:
Max Kellermann 2016-02-26 18:31:16 +01:00
parent dcaf299864
commit 6a53fb33da
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/output/plugins/AlsaOutputPlugin.cxx
View File

@ -39,6 +39,11 @@
#define HAVE_ALSA_DSD
#endif
#if SND_LIB_VERSION >= 0x1001d
/* alsa-lib supports DSD_U32 since version 1.0.29 */
#define HAVE_ALSA_DSD_U32
#endif
static const char default_device[] = "default";
static constexpr unsigned MPD_ALSA_BUFFER_TIME_US = 500000;
@ -314,6 +319,21 @@ byteswap_bitformat(snd_pcm_format_t fmt)
return SND_PCM_FORMAT_S24_3BE;
case SND_PCM_FORMAT_S32_BE: return SND_PCM_FORMAT_S32_LE;
#ifdef HAVE_ALSA_DSD_U32
case SND_PCM_FORMAT_DSD_U16_LE:
return SND_PCM_FORMAT_DSD_U16_BE;
case SND_PCM_FORMAT_DSD_U16_BE:
return SND_PCM_FORMAT_DSD_U16_LE;
case SND_PCM_FORMAT_DSD_U32_LE:
return SND_PCM_FORMAT_DSD_U32_BE;
case SND_PCM_FORMAT_DSD_U32_BE:
return SND_PCM_FORMAT_DSD_U32_LE;
#endif
default: return SND_PCM_FORMAT_UNKNOWN;
}
}