Commit 587d8cd4 authored by David Fuhrmann's avatar David Fuhrmann

auhal: locking for access to i_selected_device

parent 14f64a46
......@@ -111,7 +111,8 @@ struct aout_sys_t
int i_bytes_per_sample;
CFArrayRef device_list;
vlc_mutex_t device_list_lock;
vlc_mutex_t var_lock; /* protects access to device_list and i_selected_dev */
float f_volume;
bool b_mute;
......@@ -184,7 +185,7 @@ static int Open(vlc_object_t *obj)
OSStatus err = noErr;
vlc_mutex_init(&p_sys->device_list_lock);
vlc_mutex_init(&p_sys->var_lock);
vlc_mutex_init(&p_sys->lock);
vlc_cond_init(&p_sys->cond);
p_sys->b_digital = false;
......@@ -231,7 +232,7 @@ static void Close(vlc_object_t *obj)
if (err != noErr)
msg_Err(p_aout, "AudioHardwareRemovePropertyListener failed [%4.4s]", (char *)&err);
vlc_mutex_lock(&p_sys->device_list_lock);
vlc_mutex_lock(&p_sys->var_lock);
/* remove streams callbacks */
CFIndex count = CFArrayGetCount(p_sys->device_list);
if (count > 0) {
......@@ -249,13 +250,13 @@ static void Close(vlc_object_t *obj)
}
CFRelease(p_sys->device_list);
vlc_mutex_unlock(&p_sys->device_list_lock);
vlc_mutex_unlock(&p_sys->var_lock);
char *psz_device = aout_DeviceGet(p_aout);
config_PutPsz(p_aout, "auhal-audio-device", psz_device);
free(psz_device);
vlc_mutex_destroy(&p_sys->device_list_lock);
vlc_mutex_destroy(&p_sys->var_lock);
vlc_mutex_destroy(&p_sys->lock);
vlc_cond_destroy(&p_sys->cond);
......@@ -286,6 +287,7 @@ static int Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt)
p_sys->b_changed_mixing = false;
p_sys->i_bytes_per_sample = 0;
vlc_mutex_lock(&p_sys->var_lock);
p_sys->i_selected_dev = p_sys->i_new_selected_dev;
aout_FormatPrint(p_aout, "VLC is looking for:", fmt);
......@@ -377,6 +379,7 @@ static int Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt)
b_success = true;
}
}
vlc_mutex_unlock(&p_sys->var_lock);
if (b_success) {
p_aout->play = Play;
......@@ -388,6 +391,7 @@ static int Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt)
error:
/* If we reach this, this aout has failed */
vlc_mutex_unlock(&p_sys->var_lock);
msg_Err(p_aout, "opening auhal output failed");
return VLC_EGENERIC;
}
......@@ -1023,6 +1027,7 @@ static void Stop(audio_output_t *p_aout)
verify_noerr(AudioComponentInstanceDispose(p_sys->au_unit));
}
vlc_mutex_lock(&p_sys->var_lock);
if (p_sys->b_digital) {
/* Stop device */
err = AudioDeviceStop(p_sys->i_selected_dev,
......@@ -1077,7 +1082,7 @@ static void Stop(audio_output_t *p_aout)
msg_Warn(p_aout, "failed to remove audio device life checker [%4.4s]", (char *)&err);
}
vlc_mutex_unlock(&p_sys->var_lock);
p_sys->i_bytes_per_sample = 0;
p_sys->b_digital = false;
......@@ -1196,7 +1201,7 @@ static void RebuildDeviceList(audio_output_t * p_aout)
free(psz_name);
}
vlc_mutex_lock(&p_sys->device_list_lock);
vlc_mutex_lock(&p_sys->var_lock);
CFIndex count = 0;
if (p_sys->device_list)
count = CFArrayGetCount(p_sys->device_list);
......@@ -1218,7 +1223,7 @@ static void RebuildDeviceList(audio_output_t * p_aout)
CFRelease(p_sys->device_list);
p_sys->device_list = CFArrayCreateCopy(kCFAllocatorDefault, currentListOfDevices);
CFRelease(currentListOfDevices);
vlc_mutex_unlock(&p_sys->device_list_lock);
vlc_mutex_unlock(&p_sys->var_lock);
free(deviceIDs);
}
......@@ -1498,10 +1503,10 @@ static OSStatus DevicesListener(AudioObjectID inObjectID, UInt32 inNumberAddres
msg_Dbg(p_aout, "audio device configuration changed, resetting cache");
RebuildDeviceList(p_aout);
vlc_mutex_lock(&p_sys->device_list_lock);
vlc_mutex_lock(&p_sys->var_lock);
if(!CFArrayContainsValue(p_sys->device_list, CFRangeMake(0, CFArrayGetCount(p_sys->device_list)),CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &p_sys->i_selected_dev)))
aout_RestartRequest(p_aout, AOUT_RESTART_OUTPUT);
vlc_mutex_unlock(&p_sys->device_list_lock);
vlc_mutex_unlock(&p_sys->var_lock);
return noErr;
}
......@@ -1550,6 +1555,7 @@ static OSStatus StreamsChangedListener(AudioObjectID inObjectID, UInt32 inNumbe
/*
* check if changed stream id belongs to current device
*/
vlc_mutex_lock(&p_sys->var_lock);
AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
err = AudioObjectGetPropertyDataSize(p_sys->i_selected_dev, &streamsAddress, 0, NULL, &i_param_size);
if (err != noErr) {
......@@ -1567,6 +1573,7 @@ static OSStatus StreamsChangedListener(AudioObjectID inObjectID, UInt32 inNumbe
msg_Err(p_aout, "could not get list of streams [%4.4s]", (char *)&err);
return VLC_EGENERIC;
}
vlc_mutex_unlock(&p_sys->var_lock);
for (int i = 0; i < i_streams; i++) {
if (p_streams[i] == inObjectID) {
......
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