Java IVideoPictureEvent.getTimeStamp方法代码示例

import com.xuggle.mediatool.event.IVideoPictureEvent; //导入方法依赖的package包/类
@Override
public void onVideoPicture(IVideoPictureEvent event) {
	// < 0 means the file we are rolling off of has < RECORD_LENGTH
	// seconds of footage
	if (event.getTimeStamp() >= startingTimestamp || startingTimestamp < 0) {
		final IVideoPicture picture = event.getPicture();

		if (startTimestamp == -1) {
			startTimestamp = picture.getTimeStamp();
		}

		lastTimestamp = picture.getTimeStamp() - startTimestamp;
		picture.setTimeStamp(lastTimestamp);

		writer.encodeVideo(0, picture);
	}
}
 

import com.xuggle.mediatool.event.IVideoPictureEvent; //导入方法依赖的package包/类
@Override
public void onVideoPicture(IVideoPictureEvent event) {
	final long currentTimestamp = event.getTimeStamp(TimeUnit.MILLISECONDS);

	if (doDelay) {
		try {
			final long delay = currentTimestamp - lastTimestamp;
			Thread.sleep(delay);
		} catch (final InterruptedException e) {
			logger.error("Error while reading video frames", e);
		}
	}

	lastTimestamp = currentTimestamp;
	imageView.setImage(SwingFXUtils.toFXImage(event.getImage(), null));
	if (isPlaying || !doDelay) Platform.runLater(() -> listener.frameUpdated(currentTimestamp));
}
 

import com.xuggle.mediatool.event.IVideoPictureEvent; //导入方法依赖的package包/类
/**
 * Event handler for dealing with each frame in the stream.
 *
 * @param event Event that occurred
 */
@Override
public void onVideoPicture(IVideoPictureEvent event) {
    if (event.getStreamIndex() != mVideoStreamIndex) {
        if (mVideoStreamIndex == -1) {
            mVideoStreamIndex = event.getStreamIndex();
        } else {
            return;
        }
    }

    if (event.getTimeStamp() != 0 && event.getTimeStamp() >= grabAt) {
        dumpImage(event.getImage());
        gotStill = true;
    }
}
 

import com.xuggle.mediatool.event.IVideoPictureEvent; //导入方法依赖的package包/类
/**
 * Gets called when FFMPEG transcoded a frame
 */
public void onVideoPicture(IVideoPictureEvent event) {
	lastRead  = System.currentTimeMillis();
       if (event.getStreamIndex() != mVideoStreamIndex) {
           if (mVideoStreamIndex == -1){
               mVideoStreamIndex = event.getStreamIndex();
           }else return;
       }
       if(frameNr % frameSkip < groupSize) try{
       	BufferedImage frame = event.getImage();
       	byte[] buffer = ImageUtils.imageToBytes(frame, imageType);
       	long timestamp = event.getTimeStamp(TimeUnit.MILLISECONDS);
       	if(frameMs > 0 ) timestamp = frameNr * frameMs;
       	Frame newFrame = new Frame(streamId, frameNr, imageType, buffer, timestamp, new Rectangle(0, 0,frame.getWidth(), frame.getHeight()));
       	newFrame.getMetadata().put("uri", streamLocation);
       	frameQueue.put(newFrame);
       	// enforced throttling
       	if(sleepTime > 0) Utils.sleep(sleepTime);
       	// queue based throttling 
       	if(frameQueue.size() > 20) Utils.sleep(frameQueue.size());
       }catch(Exception e){
       	logger.warn("Unable to process new frame due to: "+e.getMessage(), e);
       }
       
       frameNr++;
   }
 

import com.xuggle.mediatool.event.IVideoPictureEvent; //导入方法依赖的package包/类
@Override
public void onVideoPicture(IVideoPictureEvent event) {
    BufferedImage image = event.getImage();

    long ts = event.getTimeStamp();
    if (ts / 1000000 > 15) {
        if (ts / 1000000 % 2 == 1) {
            Graphics2D g = image.createGraphics();
            Rectangle2D bounds = new Rectangle2D.Float(0, 0,
                    logoImage.getWidth(), logoImage.getHeight());

            // compute the amount to inset the time stamp and translate the image to that position
            double insetX = bounds.getWidth();
            double insetY = bounds.getHeight();
            //            g.translate(inset, event.getImage().getHeight() - inset);
            g.translate(insetX, insetY);

            g.setColor(Color.WHITE);
            g.fill(bounds);
            g.setColor(Color.BLACK);
            g.drawImage(logoImage, 0, 0, null);
        }
        // call parent which will pass the video to next tool in chain
        super.onVideoPicture(event);
    }
}
 

import com.xuggle.mediatool.event.IVideoPictureEvent; //导入方法依赖的package包/类
@Override
public void onVideoPicture(IVideoPictureEvent event) {
	BufferedImage currentFrame = event.getImage();

	if (initialSystemTimeAtVideoStart == -1) initialSystemTimeAtVideoStart = System.currentTimeMillis();

	currentFrameTimestamp = (event.getTimeStamp() / 1000) + initialSystemTimeAtVideoStart;

	if (frameCount == 0) {
		if (cameraEventListener.isPresent())
			setViewSize(new Dimension(currentFrame.getWidth(), currentFrame.getHeight()));
			cameraEventListener.get().setFeedResolution(currentFrame.getWidth(), currentFrame.getHeight());
	}

	if (lastVideoTimestamp > -1 && (frameCount % 30) == 0) {

		double estimateFPS = (double) SECOND_IN_MICROSECONDS
				/ (double) (event.getTimeStamp() - lastVideoTimestamp);

		setFPS(estimateFPS);
	}
	lastVideoTimestamp = event.getTimeStamp();

	if (cameraEventListener.isPresent())
		cameraEventListener.get().newFrame(new Frame(Camera.bufferedImageToMat(currentFrame), currentFrameTimestamp));
	
	frameCount++;
}
 

import com.xuggle.mediatool.event.IVideoPictureEvent; //导入方法依赖的package包/类
public void onVideoPicture(IVideoPictureEvent event) {
try{
	BufferedImage frame = event.getImage();
	byte[] buffer = ImageUtils.imageToBytes(frame, imageType);
	Frame newFrame = new Frame(streamId, seqNum+frames.size()*frameSkip, imageType, buffer, event.getTimeStamp(TimeUnit.MILLISECONDS), new Rectangle(0, 0,frame.getWidth(), frame.getHeight()));
	frames.add(newFrame);
}catch(IOException ioe){
	logger.error("Exception while decoding video: "+ioe.getMessage(), ioe);
}
  }