예제 #1
0
파일: PAPlayer.cpp 프로젝트: FLyrfors/xbmc
void PAPlayer::CloseAllStreams(bool fade/* = true */)
{
  if (!fade) 
  {
    CSingleLock lock(m_streamsLock);
    while (!m_streams.empty())
    {
      StreamInfo* si = m_streams.front();
      m_streams.pop_front();
      
      if (si->m_stream)
      {
        CloseFileCB(*si);
        CServiceBroker::GetActiveAE().FreeStream(si->m_stream);
        si->m_stream = NULL;
      }

      si->m_decoder.Destroy();
      delete si;
    }

    while (!m_finishing.empty())
    {
      StreamInfo* si = m_finishing.front();
      m_finishing.pop_front();

      if (si->m_stream)
      {
        CloseFileCB(*si);
        CServiceBroker::GetActiveAE().FreeStream(si->m_stream);
        si->m_stream = nullptr;
      }

      si->m_decoder.Destroy();
      delete si;
    }
    m_currentStream = nullptr;
  }
  else
  {
    SoftStop(false, true);
    CSingleLock lock(m_streamsLock);
    m_currentStream = NULL;
  }  
}
예제 #2
0
파일: PAPlayer.cpp 프로젝트: FLyrfors/xbmc
inline void PAPlayer::ProcessStreams(double &freeBufferTime)
{
  CSingleLock sharedLock(m_streamsLock);
  if (m_isFinished && m_streams.empty() && m_finishing.empty())
  {
    m_isPlaying = false;
    freeBufferTime = 1.0;
    return;
  }

  /* destroy any drained streams */
  for (auto itt = m_finishing.begin(); itt != m_finishing.end();)
  {
    StreamInfo* si = *itt;
    if (si->m_stream->IsDrained())
    {      
      itt = m_finishing.erase(itt);
      CloseFileCB(*si);
      CServiceBroker::GetActiveAE().FreeStream(si->m_stream);
      delete si;
      CLog::Log(LOGDEBUG, "PAPlayer::ProcessStreams - Stream Freed");
    }
    else
      ++itt;
  }

  sharedLock.Leave();
  CSingleLock lock(m_streamsLock);

  for(StreamList::iterator itt = m_streams.begin(); itt != m_streams.end(); ++itt)
  {
    StreamInfo* si = *itt;
    if (!m_currentStream && !si->m_started)
    {
      m_currentStream = si;
      UpdateGUIData(si); //update for GUI
    }
    /* if the stream is finishing */
    if ((si->m_playNextTriggered && si->m_stream && !si->m_stream->IsFading()) || !ProcessStream(si, freeBufferTime))
    {
      if (!si->m_prepareTriggered)
      {
        if (si->m_waitOnDrain)
        {
          si->m_stream->Drain(true);
          si->m_waitOnDrain = false;
        }
        si->m_prepareTriggered = true;
        m_callback.OnQueueNextItem();
      }

      /* remove the stream */
      itt = m_streams.erase(itt);
      /* if its the current stream */
      if (si == m_currentStream)
      {
        /* if it was the last stream */
        if (itt == m_streams.end())
        {
          /* if it didnt trigger the next queue item */
          if (!si->m_prepareTriggered)
          {
            if (si->m_waitOnDrain)
            {
              si->m_stream->Drain(true);
              si->m_waitOnDrain = false;
            }
            m_callback.OnQueueNextItem();
            si->m_prepareTriggered = true;
          }
          m_currentStream = NULL;
        }
        else
        {
          m_currentStream = *itt;
          UpdateGUIData(*itt); //update for GUI
        }
      }

      /* unregister the audio callback */
      si->m_stream->UnRegisterAudioCallback();
      si->m_decoder.Destroy();      
      si->m_stream->Drain(false);
      m_finishing.push_back(si);
      return;
    }

    if (!si->m_started)
      continue;

    /* is it time to prepare the next stream? */
    if (si->m_prepareNextAtFrame > 0 && !si->m_prepareTriggered && si->m_framesSent >= si->m_prepareNextAtFrame)
    {
      si->m_prepareTriggered = true;
      m_callback.OnQueueNextItem();
    }

    /* it is time to start playing the next stream? */
    if (si->m_playNextAtFrame > 0 && !si->m_playNextTriggered && !m_continueStream && si->m_framesSent >= si->m_playNextAtFrame)
    {
      if (!si->m_prepareTriggered)
      {
        si->m_prepareTriggered = true;
        m_callback.OnQueueNextItem();
      }

      if (!m_isFinished)
      {
        if (m_upcomingCrossfadeMS)
        {
          si->m_stream->FadeVolume(1.0f, 0.0f, m_upcomingCrossfadeMS);
          si->m_fadeOutTriggered = true;
        }
        m_currentStream = NULL;

        /* unregister the audio callback */
        si->m_stream->UnRegisterAudioCallback();
      }

      si->m_playNextTriggered = true;
    }
  }
}
예제 #3
0
inline bool PAPlayer::ProcessStream(StreamInfo *si, double &freeBufferTime)
{
  /* if playback needs to start on this stream, do it */
  if (si == m_currentStream && !si->m_started)
  {
    si->m_started = true;
    si->m_stream->RegisterAudioCallback(m_audioCallback);
    if (!si->m_isSlaved)
      si->m_stream->Resume();
    si->m_stream->FadeVolume(0.0f, 1.0f, m_upcomingCrossfadeMS);
    if (m_signalStarted)
      m_callback.OnPlayBackStarted(si->m_fileItem);
    m_signalStarted = true;
    m_callback.OnAVStarted(si->m_fileItem);
  }

  /* if we have not started yet and the stream has been primed */
  unsigned int space = si->m_stream->GetSpace();
  if (!si->m_started && !space)
    return true;

  /* see if it is time yet to FF/RW or a direct seek */
  if (!si->m_playNextTriggered && ((m_playbackSpeed != 1 && si->m_framesSent >= si->m_seekNextAtFrame) || si->m_seekFrame > -1))
  {
    int64_t time = (int64_t)0;
    /* if its a direct seek */
    if (si->m_seekFrame > -1)
    {
      time = (int64_t)((float)si->m_seekFrame / (float)si->m_audioFormat.m_sampleRate * 1000.0f);
      si->m_framesSent = (int)(si->m_seekFrame - ((float)si->m_startOffset * (float)si->m_audioFormat.m_sampleRate) / 1000.0f);
      si->m_seekFrame  = -1;
      m_playerGUIData.m_time = time; //update for GUI
      si->m_seekNextAtFrame = 0;
      CDataCacheCore::GetInstance().SetPlayTimes(0, time, 0, m_playerGUIData.m_totalTime);
    }
    /* if its FF/RW */
    else
    {
      si->m_framesSent      += si->m_audioFormat.m_sampleRate * (m_playbackSpeed  - 1);
      si->m_seekNextAtFrame  = si->m_framesSent + si->m_audioFormat.m_sampleRate / 2;
      time = (int64_t)(((float)si->m_framesSent / (float)si->m_audioFormat.m_sampleRate * 1000.0f) + (float)si->m_startOffset);
    }

    /* if we are seeking back before the start of the track start normal playback */
    if (time < si->m_startOffset || si->m_framesSent < 0)
    {
      time = si->m_startOffset;
      si->m_framesSent      = 0;
      si->m_seekNextAtFrame = 0;
      SetSpeed(1);
    }

    si->m_decoder.Seek(time);
  }

  int status = si->m_decoder.GetStatus();
  if (status == STATUS_ENDED   ||
      status == STATUS_NO_FILE ||
      si->m_decoder.ReadSamples(PACKET_SIZE) == RET_ERROR ||
      ((si->m_endOffset) && (si->m_framesSent / si->m_audioFormat.m_sampleRate >= (si->m_endOffset - si->m_startOffset) / 1000)))
  {
    if (si == m_currentStream && si->m_nextFileItem)
    {
      CloseFileCB(*si);

      // update current stream with info of next track
      si->m_startOffset = si->m_nextFileItem->m_lStartOffset;
      if (si->m_nextFileItem->m_lEndOffset)
        si->m_endOffset = si->m_nextFileItem->m_lEndOffset;
      else
        si->m_endOffset = 0;
      si->m_framesSent = 0;

      si->m_fileItem = *si->m_nextFileItem;
      si->m_nextFileItem.reset();

      int64_t streamTotalTime = si->m_decoder.TotalTime() - si->m_startOffset;
      if (si->m_endOffset)
        streamTotalTime = si->m_endOffset - si->m_startOffset;

      // calculate time when to prepare next stream
      si->m_prepareNextAtFrame = 0;
      if (streamTotalTime >= TIME_TO_CACHE_NEXT_FILE + m_defaultCrossfadeMS)
        si->m_prepareNextAtFrame = (int)((streamTotalTime - TIME_TO_CACHE_NEXT_FILE - m_defaultCrossfadeMS) * si->m_audioFormat.m_sampleRate / 1000.0f);

      si->m_prepareTriggered = false;
      si->m_playNextAtFrame = 0;
      si->m_playNextTriggered = false;
      si->m_seekNextAtFrame = 0;

      //update the current stream to start playing the next track at the correct frame.
      UpdateStreamInfoPlayNextAtFrame(m_currentStream, m_upcomingCrossfadeMS);

      UpdateGUIData(si);
      if (m_signalStarted)
        m_callback.OnPlayBackStarted(si->m_fileItem);
      m_signalStarted = true;
      m_callback.OnAVStarted(si->m_fileItem);
    }
    else
    {
      CLog::Log(LOGINFO, "PAPlayer::ProcessStream - Stream Finished");
      return false;
    }
  }

  if (!QueueData(si))
    return false;

  /* update free buffer time if we are running */
  if (si->m_started)
  {
    if (si->m_stream->IsBuffering())
      freeBufferTime = 1.0;
    else
    {
      double free_space;
      if (si->m_audioFormat.m_dataFormat != AE_FMT_RAW)
        free_space = (double)(si->m_stream->GetSpace() / si->m_bytesPerSample) / si->m_audioFormat.m_sampleRate;
      else
        free_space = (double) si->m_stream->GetSpace() * si->m_audioFormat.m_streamInfo.GetDuration() / 1000;

      freeBufferTime = std::max(freeBufferTime , free_space);
    }
  }

  return true;
}