Changed PULSEAUDIO_FlushRecording() to only flush audio present when called.

When the flushing is not able to keep up with the audio stream coming in,
it will end up flushing forever and block API clients from getting any audio.

Fixes #9706
This commit is contained in:
Petter Reinholdtsen
2025-02-24 15:03:35 +01:00
committed by Sam Lantinga
parent 92cadaf917
commit 24693ac285

View File

@@ -497,7 +497,7 @@ static void PULSEAUDIO_FlushCapture(_THIS)
{
struct SDL_PrivateAudioData *h = this->hidden;
const void *data = NULL;
size_t nbytes = 0;
size_t nbytes = 0, buflen = 0;
PULSEAUDIO_pa_threaded_mainloop_lock(pulseaudio_threaded_mainloop);
@@ -507,19 +507,19 @@ static void PULSEAUDIO_FlushCapture(_THIS)
h->capturelen = 0;
}
while (SDL_AtomicGet(&this->enabled) && (PULSEAUDIO_pa_stream_readable_size(h->stream) > 0)) {
buflen = PULSEAUDIO_pa_stream_readable_size(h->stream);
while (SDL_AtomicGet(&this->enabled) && (buflen > 0)) {
PULSEAUDIO_pa_threaded_mainloop_wait(pulseaudio_threaded_mainloop);
if ((PULSEAUDIO_pa_context_get_state(pulseaudio_context) != PA_CONTEXT_READY) || (PULSEAUDIO_pa_stream_get_state(h->stream) != PA_STREAM_READY)) {
/*printf("PULSEAUDIO DEVICE FAILURE IN FLUSHCAPTURE!\n");*/
SDL_OpenedAudioDeviceDisconnected(this);
break;
}
if (PULSEAUDIO_pa_stream_readable_size(h->stream) > 0) {
/* a new fragment is available! Just dump it. */
PULSEAUDIO_pa_stream_peek(h->stream, &data, &nbytes);
PULSEAUDIO_pa_stream_drop(h->stream); /* drop this fragment. */
}
/* a fragment of audio present before FlushCapture was call is
available! Just drop it. */
PULSEAUDIO_pa_stream_peek(h->stream, &data, &nbytes);
PULSEAUDIO_pa_stream_drop(h->stream);
buflen -= nbytes;
}
PULSEAUDIO_pa_threaded_mainloop_unlock(pulseaudio_threaded_mainloop);