// establish binder interface to AudioFlinger service
const sp<IAudioFlinger>& AudioSystem::get_audio_flinger()
{
Mutex::Autolock _l(gLock);
if (gAudioFlinger.get() == 0) {
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder;
do {
binder = sm->getService(String16("media.audio_flinger"));
if (binder != 0)
break;
LOGW("AudioFlinger not published, waiting...");
usleep(500000); // 0.5 s
} while(true);
if (gDeathNotifier == NULL) {
gDeathNotifier = new DeathNotifier();
} else {
if (gAudioErrorCallback) {
gAudioErrorCallback(NO_ERROR);
}
}
binder->linkToDeath(gDeathNotifier);
gAudioFlinger = interface_cast<IAudioFlinger>(binder);
// Cache frequently accessed parameters
gOutFrameCount = (int)gAudioFlinger->frameCount();
gOutSamplingRate = (int)gAudioFlinger->sampleRate();
gOutLatency = gAudioFlinger->latency();
}
LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?");
return gAudioFlinger;
}
// establish binder interface to AudioFlinger service
const sp<IAudioFlinger>& AudioSystem::get_audio_flinger()
{
Mutex::Autolock _l(gLock);
if (gAudioFlinger == 0) {
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder;
do {
binder = sm->getService(String16("media.audio_flinger"));
if (binder != 0)
break;
ALOGW("AudioFlinger not published, waiting...");
usleep(500000); // 0.5 s
} while (true);
if (gAudioFlingerClient == NULL) {
gAudioFlingerClient = new AudioFlingerClient();
} else {
if (gAudioErrorCallback) {
gAudioErrorCallback(NO_ERROR);
}
}
binder->linkToDeath(gAudioFlingerClient);
gAudioFlinger = interface_cast<IAudioFlinger>(binder);
gAudioFlinger->registerClient(gAudioFlingerClient);
}
ALOGE_IF(gAudioFlinger==0, "no AudioFlinger!?");
return gAudioFlinger;
}
// establish binder interface to AudioFlinger service
const sp<IAudioFlinger>& AudioSystem::get_audio_flinger()
{
Mutex::Autolock _l(gLock);
if (gAudioFlinger.get() == 0) {
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder;
do {
binder = sm->getService(String16("media.audio_flinger"));
if (binder != 0)
break;
LOGW("AudioFlinger not published, waiting...");
usleep(500000); // 0.5 s
} while(true);
if (gAudioFlingerClient == NULL) {
gAudioFlingerClient = new AudioFlingerClient();
} else {
if (gAudioErrorCallback) {
gAudioErrorCallback(NO_ERROR);
}
}
binder->linkToDeath(gAudioFlingerClient);
gAudioFlinger = interface_cast<IAudioFlinger>(binder);
gAudioFlinger->registerClient(gAudioFlingerClient);
// Cache frequently accessed parameters
for (int output = 0; output < NUM_AUDIO_OUTPUT_TYPES; output++) {
gOutFrameCount[output] = (int)gAudioFlinger->frameCount(output);
gOutSamplingRate[output] = (int)gAudioFlinger->sampleRate(output);
gOutLatency[output] = gAudioFlinger->latency(output);
}
gA2dpEnabled = gAudioFlinger->isA2dpEnabled();
}
LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?");
return gAudioFlinger;
}
void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {
Mutex::Autolock _l(AudioSystem::gLock);
AudioSystem::gAudioFlinger.clear();
// clear output handles and stream to output map caches
AudioSystem::gOutputs.clear();
if (gAudioErrorCallback) {
gAudioErrorCallback(DEAD_OBJECT);
}
ALOGW("AudioFlinger server died!");
}
void AudioSystem::DeathNotifier::binderDied(const wp<IBinder>& who) {
Mutex::Autolock _l(AudioSystem::gLock);
AudioSystem::gAudioFlinger.clear();
AudioSystem::gOutSamplingRate = 0;
AudioSystem::gOutFrameCount = 0;
AudioSystem::gOutLatency = 0;
if (gAudioErrorCallback) {
gAudioErrorCallback(DEAD_OBJECT);
}
LOGW("AudioFlinger server died!");
}
void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {
Mutex::Autolock _l(AudioSystem::gLock);
AudioSystem::gAudioFlinger.clear();
for (int output = 0; output < NUM_AUDIO_OUTPUT_TYPES; output++) {
gOutFrameCount[output] = 0;
gOutSamplingRate[output] = 0;
gOutLatency[output] = 0;
}
AudioSystem::gInBuffSize = 0;
if (gAudioErrorCallback) {
gAudioErrorCallback(DEAD_OBJECT);
}
LOGW("AudioFlinger server died!");
}
void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {
#ifdef STE_HARDWARE
gLatencyLock.lock();
AudioSystem::gLatencyNotificationClients.clear();
gLatencyLock.unlock();
#endif
Mutex::Autolock _l(AudioSystem::gLock);
AudioSystem::gAudioFlinger.clear();
// clear output handles and stream to output map caches
AudioSystem::gStreamOutputMap.clear();
AudioSystem::gOutputs.clear();
if (gAudioErrorCallback) {
gAudioErrorCallback(DEAD_OBJECT);
}
LOGW("AudioFlinger server died!");
}
