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alsa-sink: increase watermark when there is nothing to rewind

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If we do not manage to rewind at all because there is nothing to rewind
any more, it means the latency is too small, and we let audio escape our
control. We should thus increase the watermark to fix this.

Fixes #871

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/287>
This commit is contained in:
Samuel Thibault 2020-04-26 19:55:08 +02:00 • committed by PulseAudio Marge Bot
parent d15b31d751
commit cb91d7a12e
1 changed files with 4 additions and 1 deletions
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5
src/modules/alsa/alsa-sink.c
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@ -1877,8 +1877,11 @@ static int process_rewind(struct userdata *u) {
u->after_rewind = true;
return 0;
}
} else
} else {
pa_log_debug("Mhmm, actually there is nothing to rewind.");
if (u->use_tsched)
increase_watermark(u);
}
rewind_done:
pa_sink_process_rewind(u->sink, 0);