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[client] audio: make the requested audio device period size configurable

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This adds a new `audio:periodSize` option which defaults to 2048 frames.
For PipeWire, this controls the `PIPEWIRE_LATENCY` value. For PulseAudio,
the controls the target buffer length (`tlength`) value.
This commit is contained in:
Chris Spencer
2022-02-20 21:27:22 +00:00
committed by Geoffrey McRae
parent 0dad9b1e76
commit 9908b737b0
6 changed files with 61 additions and 33 deletions
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4
client/include/interface/audiodev.h
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@@ -47,8 +47,8 @@ struct LG_AudioDevOps
/* setup the stream for playback but don't start it yet
* Note: the pull function returns f32 samples
*/
void (*setup)(int channels, int sampleRate, int * maxPeriodFrames,
LG_AudioPullFn pullFn);
void (*setup)(int channels, int sampleRate, int requestedPeriodFrames,
int * maxPeriodFrames, int * startFrames, LG_AudioPullFn pullFn);
/* called when there is data available to start playback */
void (*start)(void);