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author | Jaroslav Kysela <perex@perex.cz> | 2022-05-24 14:24:10 +0200 |
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committer | Jaroslav Kysela <perex@perex.cz> | 2022-05-24 14:42:44 +0200 |
commit | 0ba999591b78e07a4b8e610ebced2c388197e36e (patch) | |
tree | d791940c1ad508edbcc93473819567eac6a21d62 | |
parent | 7474518a96bbfad284f68b9267470f4252fa3f78 (diff) | |
download | alsa-lib-0ba999591b78e07a4b8e610ebced2c388197e36e.tar.gz |
use-case.h: add Channels/ChannelPos values to the documentation
We have use cases, where the channel split is required. We
can use alsa-lib plugins for this job, but some sound servers
or applications may want to do the split themselves.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
-rw-r--r-- | include/use-case.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/use-case.h b/include/use-case.h index 01f69a2e..04185e2b 100644 --- a/include/use-case.h +++ b/include/use-case.h @@ -315,6 +315,12 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, * - playback device sample rate * - PlaybackChannels * - playback device channel count + * - PlaybackChannel# + * - describe index of the logical channel in the PCM stream + * - e.g. "PlaybackChannel0 2" - logical channel 0 is third channel in the PCM stream + * - PlaybackChannelPos# + * - describe sound position of the logical channel (ALSA chmap names) + * - e.g. "PlaybackChannel0 FR" - logical channel 0 is at front left * - PlaybackCTL * - playback control device name * - PlaybackVolume @@ -329,6 +335,12 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, * - capture device sample rate * - CaptureChannels * - capture device channel count + * - CaptureChannel# + * - describe index of the logical channel in the PCM stream + * - e.g. "CaptureChannel0 2" - logical channel 0 is third channel in the PCM stream + * - CaptureChannelPos# + * - describe sound position of the logical channel (ALSA chmap names) + * - e.g. "CaptureChannel0 FR" - logical channel 0 is at front left * - CaptureCTL * - capture control device name * - CaptureVolume |