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[client] audio: increase startup latency

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Underruns can still happen quite easily at the beginning of playback,
particularly at very low latency settings. Further increase the startup
latency to avoid this.
This commit is contained in:
Chris Spencer
2022-02-05 09:53:06 +00:00
committed by Geoffrey McRae
parent 5e1b8f2abe
commit 0d97a51802
4 changed files with 25 additions and 36 deletions
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21
client/audiodevs/PipeWire/pipewire.c
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@@ -287,12 +287,10 @@ static void pipewire_playbackSetup(int channels, int sampleRate,
pw_thread_loop_unlock(pw.thread);
}
static bool pipewire_playbackStart(int framesBuffered)
static void pipewire_playbackStart(void)
{
if (!pw.playback.stream)
return false;
bool start = false;
return;
if (pw.playback.state != STREAM_STATE_ACTIVE)
{
@@ -301,17 +299,8 @@ static bool pipewire_playbackStart(int framesBuffered)
switch (pw.playback.state)
{
case STREAM_STATE_INACTIVE:
// PipeWire startup latency varies wildly depending on what else is, or
// was last using the audio device. In the worst case, PipeWire can
// request two full buffers within a very short period of time
// immediately at the start of playback, so make sure we've got enough
// data in the buffer to support this
if (framesBuffered >= pw.playback.maxPeriodFrames * 2)
{
pw_stream_set_active(pw.playback.stream, true);
pw.playback.state = STREAM_STATE_ACTIVE;
start = true;
}
pw_stream_set_active(pw.playback.stream, true);
pw.playback.state = STREAM_STATE_ACTIVE;
break;
case STREAM_STATE_DRAINING:
@@ -325,8 +314,6 @@ static bool pipewire_playbackStart(int framesBuffered)
pw_thread_loop_unlock(pw.thread);
}
return start;
}
static void pipewire_playbackStop(void)