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PulseAudio: detect server going offline

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Andrew Kelley 2015-08-26 17:09:55 -07:00
parent 8d3a32e668
commit b8a2adb4ec
2 changed files with 5 additions and 2 deletions
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2
README.md
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@ -272,10 +272,10 @@ Then look at `html/index.html` in a browser.
## Roadmap ## Roadmap
0. Detect PulseAudio server going offline and emit `on_backend_disconnect`.
0. Ability to "activate" a buffer-flexible outstream by jumping the gun and 0. Ability to "activate" a buffer-flexible outstream by jumping the gun and
causing `write_callback` to be called early. causing `write_callback` to be called early.
- Use the same mechanism when destroying the outstream - Use the same mechanism when destroying the outstream
0. Create a test for recovering from backend disconnecting that reconnects
0. Create a test for input stream overflow handling. 0. Create a test for input stream overflow handling.
0. Create a test for the latency / synchronization API. 0. Create a test for the latency / synchronization API.
- Input is an audio file and some events indexed at particular frame - when - Input is an audio file and some events indexed at particular frame - when

5
src/pulseaudio.cpp
View file

@ -36,6 +36,7 @@ static int subscribe_to_events(SoundIoPrivate *si) {
static void context_state_callback(pa_context *context, void *userdata) { static void context_state_callback(pa_context *context, void *userdata) {
SoundIoPrivate *si = (SoundIoPrivate *)userdata; SoundIoPrivate *si = (SoundIoPrivate *)userdata;
SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio; SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio;
SoundIo *soundio = &si->pub;
switch (pa_context_get_state(context)) { switch (pa_context_get_state(context)) {
case PA_CONTEXT_UNCONNECTED: // The context hasn't been connected yet. case PA_CONTEXT_UNCONNECTED: // The context hasn't been connected yet.
@ -55,7 +56,9 @@ static void context_state_callback(pa_context *context, void *userdata) {
return; return;
case PA_CONTEXT_FAILED: // The connection failed or was disconnected. case PA_CONTEXT_FAILED: // The connection failed or was disconnected.
sipa->connection_err = SoundIoErrorInitAudioBackend; sipa->connection_err = SoundIoErrorInitAudioBackend;
sipa->ready_flag = true; if (sipa->ready_flag.exchange(true)) {
soundio->on_backend_disconnect(soundio, SoundIoErrorBackendDisconnected);
}
pa_threaded_mainloop_signal(sipa->main_loop, 0); pa_threaded_mainloop_signal(sipa->main_loop, 0);
return; return;
} }