コード例 #1
0
  protected void prepareVideo(
      IVideoResampler[] iVideoResamplers,
      IVideoPicture[] inputIVideoPictures,
      IVideoPicture[] outputIVideoPictures,
      IStreamCoder inputIStreamCoder,
      IStreamCoder[] outputIStreamCoders,
      IContainer outputIContainer,
      IStream[] outputIStreams,
      ICodec.Type inputICodecType,
      String outputURL,
      int index)
      throws Exception {

    IStream outputIStream = outputIContainer.addNewStream(index);

    outputIStreams[index] = outputIStream;

    IStreamCoder outputIStreamCoder = outputIStream.getStreamCoder();

    outputIStreamCoders[index] = outputIStreamCoder;

    int bitRate = inputIStreamCoder.getBitRate();

    if (_log.isInfoEnabled()) {
      _log.info("Original video bitrate " + bitRate);
    }

    if (bitRate == 0) {
      bitRate =
          GetterUtil.getInteger(_videoBitRateMap.get(_outputVideoFormat), _VIDEO_BIT_RATE_DEFAULT);
    } else if (bitRate > _VIDEO_BIT_RATE_MAX) {
      bitRate = _VIDEO_BIT_RATE_MAX;
    }

    if (_log.isInfoEnabled()) {
      _log.info("Modified video bitrate " + bitRate);
    }

    outputIStreamCoder.setBitRate(bitRate);

    ICodec iCodec = ICodec.guessEncodingCodec(null, null, outputURL, null, inputICodecType);

    if (_outputVideoFormat.equals("mp4")) {
      iCodec = ICodec.findEncodingCodec(ICodec.ID.CODEC_ID_H264);
    }

    if (iCodec == null) {
      throw new RuntimeException(
          "Unable to determine " + inputICodecType + " encoder for " + outputURL);
    }

    outputIStreamCoder.setCodec(iCodec);

    IRational iRational = inputIStreamCoder.getFrameRate();

    if (_log.isInfoEnabled()) {
      _log.info(
          "Original frame rate " + iRational.getNumerator() + "/" + iRational.getDenominator());
    }

    if (_videoFrameRateMap.containsKey(_outputVideoFormat)) {
      iRational = _videoFrameRateMap.get(_outputVideoFormat);
    }

    if (_log.isInfoEnabled()) {
      _log.info(
          "Modified frame rate " + iRational.getNumerator() + "/" + iRational.getDenominator());
    }

    outputIStreamCoder.setFrameRate(iRational);

    if (inputIStreamCoder.getHeight() <= 0) {
      throw new RuntimeException("Unable to determine height for " + _inputURL);
    }

    outputIStreamCoder.setHeight(_height);

    outputIStreamCoder.setPixelType(Type.YUV420P);
    outputIStreamCoder.setTimeBase(
        IRational.make(iRational.getDenominator(), iRational.getNumerator()));

    if (inputIStreamCoder.getWidth() <= 0) {
      throw new RuntimeException("Unable to determine width for " + _inputURL);
    }

    outputIStreamCoder.setWidth(_width);

    iVideoResamplers[index] =
        createIVideoResampler(inputIStreamCoder, outputIStreamCoder, _height, _width);

    inputIVideoPictures[index] =
        IVideoPicture.make(
            inputIStreamCoder.getPixelType(),
            inputIStreamCoder.getWidth(),
            inputIStreamCoder.getHeight());
    outputIVideoPictures[index] =
        IVideoPicture.make(
            outputIStreamCoder.getPixelType(),
            outputIStreamCoder.getWidth(),
            outputIStreamCoder.getHeight());

    ICodec.ID iCodecID = iCodec.getID();

    if (iCodecID.equals(ICodec.ID.CODEC_ID_H264)) {
      Configuration.configure(_ffpresetProperties, outputIStreamCoder);
    }
  }
コード例 #2
0
  protected void prepareVideo(
      IVideoResampler[] iVideoResamplers,
      IVideoPicture[] inputIVideoPictures,
      IVideoPicture[] outputIVideoPictures,
      IStreamCoder inputIStreamCoder,
      IStreamCoder[] outputIStreamCoders,
      IContainer outputIContainer,
      IStream[] outputIStreams,
      ICodec.Type inputICodecType,
      String outputURL,
      int index)
      throws Exception {

    ICodec iCodec = getVideoEncodingICodec(inputICodecType, outputURL);

    if (iCodec == null) {
      throw new RuntimeException(
          "Unable to determine " + inputICodecType + " encoder for " + outputURL);
    }

    IStream outputIStream = outputIContainer.addNewStream(iCodec);

    outputIStreams[index] = outputIStream;

    IStreamCoder outputIStreamCoder = outputIStream.getStreamCoder();

    outputIStreamCoders[index] = outputIStreamCoder;

    int bitRate = inputIStreamCoder.getBitRate();

    if (_log.isInfoEnabled()) {
      _log.info("Original video bitrate " + bitRate);
    }

    bitRate = getVideoBitRate(bitRate);

    if (_log.isInfoEnabled()) {
      _log.info("Modified video bitrate " + bitRate);
    }

    outputIStreamCoder.setBitRate(bitRate);

    IRational iRational = inputIStreamCoder.getFrameRate();

    if (_log.isInfoEnabled()) {
      _log.info(
          "Original frame rate " + iRational.getNumerator() + "/" + iRational.getDenominator());
    }

    iRational = getVideoFrameRate(iRational);

    if (_log.isInfoEnabled()) {
      _log.info(
          "Modified frame rate " + iRational.getNumerator() + "/" + iRational.getDenominator());
    }

    outputIStreamCoder.setFrameRate(iRational);

    if (inputIStreamCoder.getHeight() <= 0) {
      throw new RuntimeException("Unable to determine height for " + _inputURL);
    }

    if (_height == 0) {
      _height = inputIStreamCoder.getHeight();
    }

    outputIStreamCoder.setHeight(_height);

    outputIStreamCoder.setPixelType(Type.YUV420P);
    outputIStreamCoder.setTimeBase(
        IRational.make(iRational.getDenominator(), iRational.getNumerator()));

    if (inputIStreamCoder.getWidth() <= 0) {
      throw new RuntimeException("Unable to determine width for " + _inputURL);
    }

    if (_width == 0) {
      _width = inputIStreamCoder.getWidth();
    }

    outputIStreamCoder.setWidth(_width);

    iVideoResamplers[index] =
        createIVideoResampler(inputIStreamCoder, outputIStreamCoder, _height, _width);

    inputIVideoPictures[index] =
        IVideoPicture.make(
            inputIStreamCoder.getPixelType(),
            inputIStreamCoder.getWidth(),
            inputIStreamCoder.getHeight());
    outputIVideoPictures[index] =
        IVideoPicture.make(
            outputIStreamCoder.getPixelType(),
            outputIStreamCoder.getWidth(),
            outputIStreamCoder.getHeight());

    ICodec.ID iCodecID = iCodec.getID();

    if (iCodecID.equals(ICodec.ID.CODEC_ID_H264)) {
      Configuration.configure(_ffpresetProperties, outputIStreamCoder);
    }
  }