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Only assign context and mainloop once we have connected successfully

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If we fail to connect to the the pa server, we have an assigned context
and mainloop that isn't connected. So, when PULSEAUDIO_pa_context_disconnect
is called, pa asserts and crashes the application.

Assertion 'pa_atomic_load(&(c)->_ref) >= 1' failed at pulse/context.c:1055, function pa_context_disconnect(). Aborting.
This commit is contained in:
Alistair Leslie-Hughes 2020-08-14 12:08:58 +10:00
parent 88cb4962cd
commit a69c61fbfd
1 changed files with 10 additions and 3 deletions
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13
src/audio/pulseaudio/SDL_pulseaudio.c
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@ -295,32 +295,39 @@ ConnectToPulseServer_Internal(pa_mainloop **_mainloop, pa_context **_context)
return SDL_SetError("pa_mainloop_new() failed"); return SDL_SetError("pa_mainloop_new() failed");
} }
*_mainloop = mainloop;
mainloop_api = PULSEAUDIO_pa_mainloop_get_api(mainloop); mainloop_api = PULSEAUDIO_pa_mainloop_get_api(mainloop);
SDL_assert(mainloop_api); /* this never fails, right? */ SDL_assert(mainloop_api); /* this never fails, right? */
context = PULSEAUDIO_pa_context_new(mainloop_api, getAppName()); context = PULSEAUDIO_pa_context_new(mainloop_api, getAppName());
if (!context) { if (!context) {
PULSEAUDIO_pa_mainloop_free(mainloop);
return SDL_SetError("pa_context_new() failed"); return SDL_SetError("pa_context_new() failed");
} }
*_context = context;
/* Connect to the PulseAudio server */ /* Connect to the PulseAudio server */
if (PULSEAUDIO_pa_context_connect(context, NULL, 0, NULL) < 0) { if (PULSEAUDIO_pa_context_connect(context, NULL, 0, NULL) < 0) {
PULSEAUDIO_pa_context_unref(context);
PULSEAUDIO_pa_mainloop_free(mainloop);
return SDL_SetError("Could not setup connection to PulseAudio"); return SDL_SetError("Could not setup connection to PulseAudio");
} }
do { do {
if (PULSEAUDIO_pa_mainloop_iterate(mainloop, 1, NULL) < 0) { if (PULSEAUDIO_pa_mainloop_iterate(mainloop, 1, NULL) < 0) {
PULSEAUDIO_pa_context_unref(context);
PULSEAUDIO_pa_mainloop_free(mainloop);
return SDL_SetError("pa_mainloop_iterate() failed"); return SDL_SetError("pa_mainloop_iterate() failed");
} }
state = PULSEAUDIO_pa_context_get_state(context); state = PULSEAUDIO_pa_context_get_state(context);
if (!PA_CONTEXT_IS_GOOD(state)) { if (!PA_CONTEXT_IS_GOOD(state)) {
PULSEAUDIO_pa_context_unref(context);
PULSEAUDIO_pa_mainloop_free(mainloop);
return SDL_SetError("Could not connect to PulseAudio"); return SDL_SetError("Could not connect to PulseAudio");
} }
} while (state != PA_CONTEXT_READY); } while (state != PA_CONTEXT_READY);
*_context = context;
*_mainloop = mainloop;
return 0; /* connected and ready! */ return 0; /* connected and ready! */
} }