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PulseAudio: fix using 100% CPU

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soundio_wait_events wasn't blocking but now it is.
This commit is contained in:
Andrew Kelley 2015-07-29 13:12:04 -07:00
parent 0dee34a84e
commit d3cf8f02db
2 changed files with 3 additions and 2 deletions
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3
README.md
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@ -245,8 +245,7 @@ view `coverage/index.html` in a browser.
0. implement CoreAudio (OSX) backend, get examples working 0. implement CoreAudio (OSX) backend, get examples working
0. implement WASAPI (Windows) backend, get examples working 0. implement WASAPI (Windows) backend, get examples working
0. implement ASIO (Windows) backend, get examples working 0. implement ASIO (Windows) backend, get examples working
0. JACK: implement prebuffering 0. JACK: implement prebuffering ...or delete prebuffering as a concept
0. why does pulseaudio microphone use up all the CPU?
0. Avoid calling `soundio_panic` in PulseAudio. 0. Avoid calling `soundio_panic` in PulseAudio.
0. Figure out a way to test prebuf. I suspect prebuf not working for ALSA 0. Figure out a way to test prebuf. I suspect prebuf not working for ALSA
which is why we have to pre-fill the ring buffer with silence for which is why we have to pre-fill the ring buffer with silence for

2
src/pulseaudio.cpp
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@ -460,7 +460,9 @@ static void flush_events(SoundIoPrivate *si) {
static void wait_events(SoundIoPrivate *si) { static void wait_events(SoundIoPrivate *si) {
SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio; SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio;
flush_events(si); flush_events(si);
pa_threaded_mainloop_lock(sipa->main_loop);
pa_threaded_mainloop_wait(sipa->main_loop); pa_threaded_mainloop_wait(sipa->main_loop);
pa_threaded_mainloop_unlock(sipa->main_loop);
} }
static void wakeup(SoundIoPrivate *si) { static void wakeup(SoundIoPrivate *si) {