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Check to make sure we can connect to PulseAudio before we use it.

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This commit is contained in:
Sam Lantinga
2013-02-26 16:31:52 -08:00
parent f0bf08280b
commit 6bb6decd41
1 changed files with 25 additions and 1 deletions
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26
src/audio/pulseaudio/SDL_pulseaudio.c
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@@ -205,6 +205,27 @@ load_pulseaudio_syms(void)
}
/* Check to see if we can connect to PulseAudio */
static SDL_bool
CheckPulseAudioAvailable()
{
pa_simple *s;
pa_sample_spec ss;
ss.format = PA_SAMPLE_S16NE;
ss.channels = 1;
ss.rate = 22050;
s = PULSEAUDIO_pa_simple_new(NULL, "SDL", PA_STREAM_PLAYBACK, NULL,
"Test", &ss, NULL, NULL, NULL);
if (s) {
PULSEAUDIO_pa_simple_free(s);
return SDL_TRUE;
} else {
return SDL_FALSE;
}
}
/* This function waits until it is possible to write a full sound buffer */
static void
PULSEAUDIO_WaitDevice(_THIS)
@@ -476,7 +497,6 @@ PULSEAUDIO_Deinitialize(void)
UnloadPulseAudioLibrary();
}
static int
PULSEAUDIO_Init(SDL_AudioDriverImpl * impl)
{
@@ -484,6 +504,10 @@ PULSEAUDIO_Init(SDL_AudioDriverImpl * impl)
return 0;
}
if (!CheckPulseAudioAvailable()) {
return 0;
}
/* Set the function pointers */
impl->OpenDevice = PULSEAUDIO_OpenDevice;
impl->PlayDevice = PULSEAUDIO_PlayDevice;