Method decodeNextFrame

YUViewLib/src/decoder/decoderVVDec.cpp:304–355

}

bool decoderVVDec::decodeNextFrame()
{
  if (this->decoderState != DecoderState::RetrieveFrames)
  {
    DEBUG_vvdec("decoderVVDec::decodeNextFrame: Wrong decoder state.");
    return false;
  }

  if (this->flushing)
  {
    // This is our way of moving the decoder to the next picture when flushing.
    auto ret = this->lib.vvdec_flush(this->decoder, &this->currentFrame);
    if (ret == VVDEC_EOF)
    {
      DEBUG_vvdec("decoderVVDec::pushData: Flushing returned EOF");
      this->decoderState = DecoderState::EndOfBitstream;
      return false;
    }
    else if (ret != VVDEC_OK)
      return setErrorB("Error sendling flush to decoder");
    DEBUG_vvdec("decoderVVDec::pushData: Flushing to next pixture. %s",
                this->currentFrame != nullptr ? " frameAvailable" : "");

    if (this->currentFrame == nullptr)
    {
      DEBUG_vvdec("decoderVVDec::decodeNextFrame No more frames to flush. EOF.");
      this->decoderState = DecoderState::EndOfBitstream;
      return false;
    }

    this->currentOutputBuffer.clear();
    DEBUG_vvdec("decoderVVDec::decodeNextFrame Flushing - Invalidate buffer");
  }
  else
  {
    if (this->currentFrameReadyForRetrieval)
    {
      DEBUG_vvdec("decoderVVDec::decodeNextFrame Switch back to NeedsMoreData");
      this->decoderState                  = DecoderState::NeedsMoreData;
      this->currentFrameReadyForRetrieval = false;
      return false;
    }
    else
    {
      DEBUG_vvdec("decoderVVDec::decodeNextFrame Current frame ready to read out");
      this->currentFrameReadyForRetrieval = true;
      return true;
    }
  }

  return this->getNextFrameFromDecoder();
}

bool decoderVVDec::getNextFrameFromDecoder()
{