Java IConverter类代码示例

import com.xuggle.xuggler.video.IConverter; //导入依赖的package包/类
/**
 * Adds an image as a frame to the current video
 * @param image
 */
private void addImage(BufferedImage image){
	IPacket packet = IPacket.make();
	IConverter converter = ConverterFactory.createConverter(image, coder.getPixelType());
	IVideoPicture frame = converter.toPicture(image, Math.round(frameTime));
	
	if (coder.encodeVideo(packet, frame, 0) < 0) {
		throw new RuntimeException("Unable to encode video.");
	}
	
	if (packet.isComplete()) {
		if (writer.writePacket(packet) < 0) {
			throw new RuntimeException("Could not write packet to container.");
		}
	}
       this.frameTime += 1000000f/frameRate;
       frameCount++;
}
 

import com.xuggle.xuggler.video.IConverter; //导入依赖的package包/类
/**
  * Gets the converter for converting images to pictures. 
  *
  * @param bgrImage the source image (must be type TYPE_3BYTE_BGR)
  * @param pixelType the desired pixel type
  */
private IConverter getConverter(BufferedImage bgrImage, IPixelFormat.Type pixelType){
	int w = bgrImage.getWidth();
	int h = bgrImage.getHeight();
	if (converterDim==null) {
		converterDim = new Dimension(w, h);
	}
	if (outConverter==null || w!=converterDim.width || h!=converterDim.height
			|| outConverter.getPictureType()!= pixelType) {
		try {
			outConverter = ConverterFactory.createConverter(bgrImage, pixelType);
			converterDim = new Dimension(w, h);
		} catch(UnsupportedOperationException e){
			System.err.println(e.getMessage());
			e.printStackTrace();
		}
	}
	return outConverter;
}
 

import com.xuggle.xuggler.video.IConverter; //导入依赖的package包/类
public void recordFrame(BufferedImage frame) {
	final BufferedImage image = ConverterFactory.convertToType(frame, BufferedImage.TYPE_3BYTE_BGR);
	final IConverter converter = ConverterFactory.createConverter(image, IPixelFormat.Type.YUV420P);

	timestamp = (System.currentTimeMillis() - startTime) + timeOffset;

	final IVideoPicture f = converter.toPicture(image, timestamp * 1000);
	f.setKeyFrame(isFirstShotFrame);
	f.setQuality(0);

	if (forking) {
		synchronized (bufferedFrames) {
			bufferedFrames.add(f);
		}
	} else {
		isFirstShotFrame = false;

		synchronized (videoWriterLock) {
			if (recording)
				videoWriter.encodeVideo(0, f);
		}

		if (timestamp >= ShotRecorder.RECORD_LENGTH * 3) {
			logger.debug("Rolling video file {}, timestamp = {} ms", relativeVideoFile.getPath(), timestamp);
			fork(false);
		}
	}
}
 

import com.xuggle.xuggler.video.IConverter; //导入依赖的package包/类
public void recordFrame(BufferedImage frame) {
	final BufferedImage image = ConverterFactory.convertToType(frame, BufferedImage.TYPE_3BYTE_BGR);
	final IConverter converter = ConverterFactory.createConverter(image, IPixelFormat.Type.YUV420P);

	final long timestamp = (System.currentTimeMillis() - startTime) + timeOffset;

	final IVideoPicture f = converter.toPicture(image, timestamp * 1000);
	f.setKeyFrame(isFirstShotFrame);
	f.setQuality(0);
	isFirstShotFrame = false;

	videoWriter.encodeVideo(0, f);
}
 

import com.xuggle.xuggler.video.IConverter; //导入依赖的package包/类
/**
 * Loads the first frame of the given video and then seeks back to the beginning of the stream.
 * @param container the video container
 * @param videoCoder the video stream coder
 * @return BufferedImage
 * @throws MediaException thrown if an error occurs during decoding
 */
private BufferedImage loadFirstFrame(IContainer container, IStreamCoder videoCoder) throws MediaException {
	// walk through each packet of the container format
	IPacket packet = IPacket.make();
	while (container.readNextPacket(packet) >= 0) {
		// make sure the packet belongs to the stream we care about
		if (packet.getStreamIndex() == videoCoder.getStream().getIndex()) {
			// create a new picture for the video data to be stored in
			IVideoPicture picture = IVideoPicture.make(videoCoder.getPixelType(), videoCoder.getWidth(), videoCoder.getHeight());
			int offset = 0;
			// decode the video
			while (offset < packet.getSize()) {
				int bytesDecoded = videoCoder.decodeVideo(picture, packet, offset);
				if (bytesDecoded < 0) {
					LOGGER.error("No bytes found in container.");
					throw new MediaException();
				}
				offset += bytesDecoded;

				// make sure that we have a full picture from the video first
				if (picture.isComplete()) {
					// convert the picture to an Java buffered image
					BufferedImage target = new BufferedImage(picture.getWidth(), picture.getHeight(), BufferedImage.TYPE_3BYTE_BGR);
					IConverter converter = ConverterFactory.createConverter(target, picture.getPixelType());
					return converter.toImage(picture);
				}
			}
		}
	}
	
	return null;
}
 

import com.xuggle.xuggler.video.IConverter; //导入依赖的package包/类
/**
 * Add new image into video stream.
 */
@Override
public void addImage(final Image image) throws IOException {
    if (!isOpen()) {
        throw new IOException("Current object does not opened yet! Please call #open() method!");
    }

    final BufferedImage worksWithXugglerBufferedImage = convertToType(TypeConvert.toBufferedImage(image),
            BufferedImage.TYPE_3BYTE_BGR);
    final IPacket packet = IPacket.make();

    IConverter converter = null;
    try {
        converter = ConverterFactory.createConverter(worksWithXugglerBufferedImage, IPixelFormat.Type.YUV420P);
    } catch (final UnsupportedOperationException e) {
        throw new IOException(e.getMessage());
    }

    this.totalTimeStamp += this.incrementTimeStamp;
    final IVideoPicture outFrame = converter.toPicture(worksWithXugglerBufferedImage, this.totalTimeStamp);
    outFrame.setQuality(0);
    int retval = this.outStreamCoder.encodeVideo(packet, outFrame, 0);
    if (retval < 0) {
        throw new IOException("Could not encode video!");
    }

    if (packet.isComplete()) {
        retval = this.outContainer.writePacket(packet);
        if (retval < 0) {
            throw new IOException("Could not save packet to container!");
        }
    }
}
 

import com.xuggle.xuggler.video.IConverter; //导入依赖的package包/类
/**
  * Converts a bgr source image to a xuggle picture.
  *
  * @param bgrImage the source image (must be type TYPE_3BYTE_BGR)
  * @param pixelType the pixel type
  * @param timeStamp the timestamp in microseconds
  * @return the xuggle picture
  */
private IVideoPicture getPicture(BufferedImage bgrImage, IPixelFormat.Type pixelType, long timeStamp) {
	
	IVideoPicture picture = null;
	try {
		IConverter converter = getConverter(bgrImage, pixelType);
		picture = converter.toPicture(bgrImage, timeStamp);
		picture.setQuality(0);		
	} catch (Exception ex) {
		ex.printStackTrace();
	} catch (Error err) {
		err.printStackTrace();
	}
	return picture;
 }