C++ (Cpp) ScopedCustomReleasePtr::GetRecordingDeviceName Examples

Example #1

File: MediaEngineWebRTC.cpp Project: JuannyWang/gecko-dev

void
MediaEngineWebRTC::EnumerateAudioDevices(nsTArray<nsRefPtr<MediaEngineAudioSource> >* aASources)
{
  ScopedCustomReleasePtr<webrtc::VoEBase> ptrVoEBase;
  ScopedCustomReleasePtr<webrtc::VoEHardware> ptrVoEHw;
  // We spawn threads to handle gUM runnables, so we must protect the member vars
  MutexAutoLock lock(mMutex);

#ifdef MOZ_WIDGET_ANDROID
  jobject context = mozilla::AndroidBridge::Bridge()->GetGlobalContextRef();

  // get the JVM
  JavaVM *jvm = mozilla::AndroidBridge::Bridge()->GetVM();
  JNIEnv *env = GetJNIForThread();

  if (webrtc::VoiceEngine::SetAndroidObjects(jvm, env, (void*)context) != 0) {
    LOG(("VoiceEngine:SetAndroidObjects Failed"));
    return;
  }
#endif

  if (!mVoiceEngine) {
    mVoiceEngine = webrtc::VoiceEngine::Create();
    if (!mVoiceEngine) {
      return;
    }
  }

  PRLogModuleInfo *logs = GetWebRTCLogInfo();
  if (!gWebrtcTraceLoggingOn && logs && logs->level > 0) {
    // no need to a critical section or lock here
    gWebrtcTraceLoggingOn = 1;

    const char *file = PR_GetEnv("WEBRTC_TRACE_FILE");
    if (!file) {
      file = "WebRTC.log";
    }

    LOG(("Logging webrtc to %s level %d", __FUNCTION__, file, logs->level));

    mVoiceEngine->SetTraceFilter(logs->level);
    mVoiceEngine->SetTraceFile(file);
  }

  ptrVoEBase = webrtc::VoEBase::GetInterface(mVoiceEngine);
  if (!ptrVoEBase) {
    return;
  }

  if (!mAudioEngineInit) {
    if (ptrVoEBase->Init() < 0) {
      return;
    }
    mAudioEngineInit = true;
  }

  ptrVoEHw = webrtc::VoEHardware::GetInterface(mVoiceEngine);
  if (!ptrVoEHw)  {
    return;
  }

  int nDevices = 0;
  ptrVoEHw->GetNumOfRecordingDevices(nDevices);
  for (int i = 0; i < nDevices; i++) {
    // We use constants here because GetRecordingDeviceName takes char[128].
    char deviceName[128];
    char uniqueId[128];
    // paranoia; jingle doesn't bother with this
    deviceName[0] = '\0';
    uniqueId[0] = '\0';

    int error = ptrVoEHw->GetRecordingDeviceName(i, deviceName, uniqueId);
    if (error) {
      LOG((" VoEHardware:GetRecordingDeviceName: Failed %d",
           ptrVoEBase->LastError() ));
      continue;
    }

    if (uniqueId[0] == '\0') {
      // Mac and Linux don't set uniqueId!
      MOZ_ASSERT(sizeof(deviceName) == sizeof(uniqueId)); // total paranoia
      strcpy(uniqueId,deviceName); // safe given assert and initialization/error-check
    }

    nsRefPtr<MediaEngineWebRTCAudioSource> aSource;
    NS_ConvertUTF8toUTF16 uuid(uniqueId);
    if (mAudioSources.Get(uuid, getter_AddRefs(aSource))) {
      // We've already seen this device, just append.
      aASources->AppendElement(aSource.get());
    } else {
      aSource = new MediaEngineWebRTCAudioSource(
        mVoiceEngine, i, deviceName, uniqueId
      );
      mAudioSources.Put(uuid, aSource); // Hashtable takes ownership.
      aASources->AppendElement(aSource);
    }
  }
}

Example #2

File: MediaEngineWebRTC.cpp Project: MSOpenTech/Spidermonkey

void
MediaEngineWebRTC::EnumerateAudioDevices(MediaSourceType aMediaSource,
                                         nsTArray<nsRefPtr<MediaEngineAudioSource> >* aASources)
{
  ScopedCustomReleasePtr<webrtc::VoEBase> ptrVoEBase;
  ScopedCustomReleasePtr<webrtc::VoEHardware> ptrVoEHw;
  // We spawn threads to handle gUM runnables, so we must protect the member vars
  MutexAutoLock lock(mMutex);

#ifdef MOZ_WIDGET_ANDROID
  jobject context = mozilla::AndroidBridge::Bridge()->GetGlobalContextRef();

  // get the JVM
  JavaVM *jvm = mozilla::AndroidBridge::Bridge()->GetVM();
  JNIEnv *env = GetJNIForThread();

  if (webrtc::VoiceEngine::SetAndroidObjects(jvm, env, (void*)context) != 0) {
    LOG(("VoiceEngine:SetAndroidObjects Failed"));
    return;
  }
#endif

  if (!mVoiceEngine) {
    mVoiceEngine = webrtc::VoiceEngine::Create();
    if (!mVoiceEngine) {
      return;
    }
  }

  ptrVoEBase = webrtc::VoEBase::GetInterface(mVoiceEngine);
  if (!ptrVoEBase) {
    return;
  }

  if (!mAudioEngineInit) {
    if (ptrVoEBase->Init() < 0) {
      return;
    }
    mAudioEngineInit = true;
  }

  ptrVoEHw = webrtc::VoEHardware::GetInterface(mVoiceEngine);
  if (!ptrVoEHw)  {
    return;
  }

  int nDevices = 0;
  ptrVoEHw->GetNumOfRecordingDevices(nDevices);
  int i;
#if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK)
  i = 0; // Bug 1037025 - let the OS handle defaulting for now on android/b2g
#else
  // -1 is "default communications device" depending on OS in webrtc.org code
  i = -1;
#endif
  for (; i < nDevices; i++) {
    // We use constants here because GetRecordingDeviceName takes char[128].
    char deviceName[128];
    char uniqueId[128];
    // paranoia; jingle doesn't bother with this
    deviceName[0] = '\0';
    uniqueId[0] = '\0';

    int error = ptrVoEHw->GetRecordingDeviceName(i, deviceName, uniqueId);
    if (error) {
      LOG((" VoEHardware:GetRecordingDeviceName: Failed %d",
           ptrVoEBase->LastError() ));
      continue;
    }

    if (uniqueId[0] == '\0') {
      // Mac and Linux don't set uniqueId!
      MOZ_ASSERT(sizeof(deviceName) == sizeof(uniqueId)); // total paranoia
      strcpy(uniqueId,deviceName); // safe given assert and initialization/error-check
    }

    nsRefPtr<MediaEngineWebRTCAudioSource> aSource;
    NS_ConvertUTF8toUTF16 uuid(uniqueId);
    if (mAudioSources.Get(uuid, getter_AddRefs(aSource))) {
      // We've already seen this device, just append.
      aASources->AppendElement(aSource.get());
    } else {
      aSource = new MediaEngineWebRTCAudioSource(
        mThread, mVoiceEngine, i, deviceName, uniqueId
      );
      mAudioSources.Put(uuid, aSource); // Hashtable takes ownership.
      aASources->AppendElement(aSource);
    }
  }
}