public BufferedImage decodeH264Frame()

in src/main/java/com/amazonaws/kinesisvideo/parser/utilities/H264FrameDecoder.java [55:91]
27 lines of code
2 McCabe index (conditional complexity)

    public BufferedImage decodeH264Frame(final Frame frame, final MkvTrackMetadata trackMetadata) {
        final ByteBuffer frameBuffer = frame.getFrameData();
        final int pixelWidth = trackMetadata.getPixelWidth().get().intValue();
        final int pixelHeight = trackMetadata.getPixelHeight().get().intValue();
        codecPrivateData = trackMetadata.getCodecPrivateData().array();
        log.debug("Decoding frames ... ");
        // Read the bytes that appear to comprise the header
        // See: https://www.matroska.org/technical/specs/index.html#simpleblock_structure

        final Picture rgb = Picture.create(pixelWidth, pixelHeight, ColorSpace.RGB);
        final BufferedImage bufferedImage = new BufferedImage(pixelWidth, pixelHeight, BufferedImage.TYPE_3BYTE_BGR);
        final AvcCBox avcC = AvcCBox.parseAvcCBox(ByteBuffer.wrap(codecPrivateData));

        decoder.addSps(avcC.getSpsList());
        decoder.addPps(avcC.getPpsList());

        final Picture buf = Picture.create(pixelWidth + ((16 - (pixelWidth % 16)) % 16),
                pixelHeight + ((16 - (pixelHeight % 16)) % 16), ColorSpace.YUV420J);
        final List<ByteBuffer> byteBuffers = splitMOVPacket(frameBuffer, avcC);
        final Picture pic = decoder.decodeFrameFromNals(byteBuffers, buf.getData());

        if (pic != null) {
            // Work around for color issues in JCodec
            // https://github.com/jcodec/jcodec/issues/59
            // https://github.com/jcodec/jcodec/issues/192
            final byte[][] dataTemp = new byte[3][pic.getData().length];
            dataTemp[0] = pic.getPlaneData(0);
            dataTemp[1] = pic.getPlaneData(2);
            dataTemp[2] = pic.getPlaneData(1);

            final Picture tmpBuf = Picture.createPicture(pixelWidth, pixelHeight, dataTemp, ColorSpace.YUV420J);
            transform.transform(tmpBuf, rgb);
            AWTUtil.toBufferedImage(rgb, bufferedImage);
            frameCount++;
        }
        return bufferedImage;
    }