void destroy_pavn(pararray_vn** pavn)
{
int cnt;
if (*pavn != NULL) {
destroy_vn(&(*pavn)->result);
for (cnt = 0; cnt < (*pavn)->elements; cnt ++)
destroy_pa(&(*pavn)->pa[cnt]);
btfree((void**)pavn);
}
}
int soundio_pulseaudio_init(struct SoundIoPrivate *si) {
struct SoundIo *soundio = &si->pub;
struct SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio;
sipa->device_scan_queued = true;
sipa->main_loop = pa_threaded_mainloop_new();
if (!sipa->main_loop) {
destroy_pa(si);
return SoundIoErrorNoMem;
}
pa_mainloop_api *main_loop_api = pa_threaded_mainloop_get_api(sipa->main_loop);
sipa->props = pa_proplist_new();
if (!sipa->props) {
destroy_pa(si);
return SoundIoErrorNoMem;
}
sipa->pulse_context = pa_context_new_with_proplist(main_loop_api, soundio->app_name, sipa->props);
if (!sipa->pulse_context) {
destroy_pa(si);
return SoundIoErrorNoMem;
}
pa_context_set_subscribe_callback(sipa->pulse_context, subscribe_callback, si);
pa_context_set_state_callback(sipa->pulse_context, context_state_callback, si);
int err = pa_context_connect(sipa->pulse_context, NULL, (pa_context_flags_t)0, NULL);
if (err) {
destroy_pa(si);
return SoundIoErrorInitAudioBackend;
}
if (pa_threaded_mainloop_start(sipa->main_loop)) {
destroy_pa(si);
return SoundIoErrorNoMem;
}
pa_threaded_mainloop_lock(sipa->main_loop);
// block until ready
while (!sipa->ready_flag)
pa_threaded_mainloop_wait(sipa->main_loop);
if (sipa->connection_err) {
pa_threaded_mainloop_unlock(sipa->main_loop);
destroy_pa(si);
return sipa->connection_err;
}
if ((err = subscribe_to_events(si))) {
pa_threaded_mainloop_unlock(sipa->main_loop);
destroy_pa(si);
return err;
}
pa_threaded_mainloop_unlock(sipa->main_loop);
si->destroy = destroy_pa;
si->flush_events = flush_events_pa;
si->wait_events = wait_events_pa;
si->wakeup = wakeup_pa;
si->force_device_scan = force_device_scan_pa;
si->outstream_open = outstream_open_pa;
si->outstream_destroy = outstream_destroy_pa;
si->outstream_start = outstream_start_pa;
si->outstream_begin_write = outstream_begin_write_pa;
si->outstream_end_write = outstream_end_write_pa;
si->outstream_clear_buffer = outstream_clear_buffer_pa;
si->outstream_pause = outstream_pause_pa;
si->outstream_get_latency = outstream_get_latency_pa;
si->instream_open = instream_open_pa;
si->instream_destroy = instream_destroy_pa;
si->instream_start = instream_start_pa;
si->instream_begin_read = instream_begin_read_pa;
si->instream_end_read = instream_end_read_pa;
si->instream_pause = instream_pause_pa;
si->instream_get_latency = instream_get_latency_pa;
return 0;
}
