Exemplo n.º 1
0
int CALSAAudioSource::ThreadMain(void) 
{
  debug_message("alsa start");
  while (true) {
    int rc;

    if (m_source) {
      rc = SDL_SemTryWait(m_myMsgQueueSemaphore);
    } else {
      rc = SDL_SemWait(m_myMsgQueueSemaphore);
    }

    // semaphore error
    if (rc == -1) {
      break;
    } 

    // message pending
    if (rc == 0) {
      CMsg* pMsg = m_myMsgQueue.get_message();
		
      if (pMsg != NULL) {
        switch (pMsg->get_value()) {
        case MSG_NODE_STOP_THREAD:
          DoStopCapture();	// ensure things get cleaned up
          delete pMsg;
          debug_message("alsa stop thread");
          return 0;
        case MSG_NODE_START:
          DoStartCapture();
          break;
        case MSG_NODE_STOP:
          DoStopCapture();
          break;
        }

        delete pMsg;
      }
    }

    if (m_source) {
      try {
        //debug_message("processaudio");
        ProcessAudio();
      }
      catch (...) {
        error_message("alsa stop capture");
        DoStopCapture();	
        break;
      }
    }
  }

  debug_message("alsa thread exit");
  return -1;
}
Exemplo n.º 2
0
int COSSAudioSource::ThreadMain(void) 
{
  while (true) {
    int rc;

    if (m_source) {
      rc = SDL_SemTryWait(m_myMsgQueueSemaphore);
    } else {
      rc = SDL_SemWait(m_myMsgQueueSemaphore);
    }

    // semaphore error
    if (rc == -1) {
      break;
    } 

    // message pending
    if (rc == 0) {
      CMsg* pMsg = m_myMsgQueue.get_message();
		
      if (pMsg != NULL) {
        switch (pMsg->get_value()) {
        case MSG_NODE_STOP_THREAD:
          DoStopCapture();	// ensure things get cleaned up
          delete pMsg;
          return 0;
        case MSG_NODE_START:
        case MSG_SOURCE_START_AUDIO:
          DoStartCapture();
          break;
        case MSG_NODE_STOP:
          DoStopCapture();
          break;
        }

        delete pMsg;
      }
    }

    if (m_source) {
      try {
        ProcessAudio();
      }
      catch (...) {
        DoStopCapture();	
        break;
      }
    }
  }

  return -1;
}