diff options
| author | Max Kellermann <max@duempel.org> | 2016-02-26 18:31:16 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2016-02-26 18:44:58 +0100 |
| commit | 6a53fb33da34afbaf494a537ca19035edfd86916 (patch) | |
| tree | 1cadb8ff09a5a72ff2f71e14a05c96c86a79d775 | |
| parent | dcaf299864ccfbaae79e6a603d1d3de09fc378c9 (diff) | |
output/alsa: basic infrastructure for DSD_U16 and DSD_U32
| -rw-r--r-- | src/output/plugins/AlsaOutputPlugin.cxx | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/output/plugins/AlsaOutputPlugin.cxx b/src/output/plugins/AlsaOutputPlugin.cxx index 3b85fa198..36d715076 100644 --- a/src/output/plugins/AlsaOutputPlugin.cxx +++ b/src/output/plugins/AlsaOutputPlugin.cxx @@ -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; } } |