org.bytedeco.javacv.FrameGrabber.Exception Java Examples

public BufferedImage getBufferedImage() {
	Frame capturedFrame = null;
	boolean flipChannels = false;
	BufferedImage bufferedImage = null;
	try {
		if (start) {
			if ((capturedFrame = grabber.grab()) != null) {
				int type = Java2DFrameConverter.getBufferedImageType(capturedFrame);
				double gamma = type == BufferedImage.TYPE_CUSTOM ? 1.0 : inverseGamma;
				bufferedImage = converter.getBufferedImage(capturedFrame, gamma, flipChannels, null);
				Image image = bufferedImage;
				ImageIcon icon = new ImageIcon(image);
				iconLabel.setIcon(icon);
			}
		}

	} catch (org.bytedeco.javacv.FrameGrabber.Exception e) {
		e.printStackTrace();
	}
	return bufferedImage;
}
 

public Frame getFrame() {
	Frame capturedFrame = null;
	boolean flipChannels = false;
	BufferedImage bufferedImage = null;
	try {
		if (start) {
			if ((capturedFrame = grabber.grab()) != null) {
				int type = Java2DFrameConverter.getBufferedImageType(capturedFrame);
				double gamma = type == BufferedImage.TYPE_CUSTOM ? 1.0 : inverseGamma;
				bufferedImage = converter.getBufferedImage(capturedFrame, gamma, flipChannels, null);
				Image image = bufferedImage;
				ImageIcon icon = new ImageIcon(image);
				iconLabel.setIcon(icon);
			}
		}

	} catch (org.bytedeco.javacv.FrameGrabber.Exception e) {
		e.printStackTrace();
	}
	return capturedFrame;
}
 

public BufferedImage getBufferedImage() {
	Frame capturedFrame = null;
	boolean flipChannels = false;
	BufferedImage bufferedImage = null;
	try {
		if (start) {
			if ((capturedFrame = grabber.grab()) != null) {
				int type = Java2DFrameConverter.getBufferedImageType(capturedFrame);
				double gamma = type == BufferedImage.TYPE_CUSTOM ? 1.0 : inverseGamma;
				bufferedImage = converter.getBufferedImage(capturedFrame, gamma, flipChannels, null);
			}
		}
	} catch (org.bytedeco.javacv.FrameGrabber.Exception e) {
		e.printStackTrace();
	}
	return bufferedImage;
}
 

/**
 * 视频源
 * 
 * @param src
 * @return
 * @throws Exception
 */
public Recorder from(String src) throws Exception {
	av_log_set_level(AV_LOG_ERROR);
	if (src == null) {
		throw new Exception("源视频不能为空");
	}
	this.src = src;
	// 采集/抓取器
	grabber = new FFmpegFrameGrabber(src);
	if (hasRTSP(src)) {
		grabber.setOption("rtsp_transport", "tcp");
	}
	grabber.start();// 开始之后ffmpeg会采集视频信息，之后就可以获取音视频信息
	if (width < 0 || height < 0) {
		width = grabber.getImageWidth();
		height = grabber.getImageHeight();
	}
	// 视频参数
	audiocodecid = grabber.getAudioCodec();
	codecid = grabber.getVideoCodec();
	framerate = grabber.getVideoFrameRate();// 帧率
	bitrate = grabber.getVideoBitrate();// 比特率
	// 音频参数
	// 想要录制音频，这三个参数必须有：audioChannels > 0 && audioBitrate > 0 && sampleRate > 0
	audioChannels = grabber.getAudioChannels();
	audioBitrate = grabber.getAudioBitrate();
	if (audioBitrate < 1) {
		audioBitrate = 128 * 1000;// 默认音频比特率
	}
	sampleRate = grabber.getSampleRate();
	return this;
}
 

public void run() throws Exception, InterruptedException {
		FFmpegFrameGrabber ffmpegFrameGrabber = FFmpegFrameGrabber.createDefault("C:/Users/Administrator/Desktop/deta/detasource/videoProcess/webwxgetvideo.avi");
		ffmpegFrameGrabber.start();
//		int fflength = ffmpegFrameGrabber.getLengthInFrames();
//		int maxStamp = (int) (ffmpegFrameGrabber.getLengthInTime()/1000000);
//		int count = 0;
		while (true) {
			Frame nowFrame = ffmpegFrameGrabber.grabImage();
//			int startStamp = (int) (ffmpegFrameGrabber.getTimestamp() * 1.0/1000000);
//			double present = (startStamp * 1.0 / maxStamp) * 100;
			if (nowFrame == null) {
				System.out.println("!!! Failed cvQueryFrame");
				continue;
			}
			Java2DFrameConverter paintConverter = new Java2DFrameConverter();
			BufferedImage difImage = paintConverter.getBufferedImage(nowFrame, 1);
			paint(difImage);
			Thread.sleep(25);
		}
	}
 

public void stopVideo() {
	try {
		start = false;
		grabber.stop();
	} catch (Exception e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
 

private void restart() throws Exception {
	pixmap = null;
	grabber.restart();
	grabber.grabFrame();
	eof = false;
	offset = grabber.getTimestamp() - time * 1000;
	framecount = 1;
	// System.out.println("movie restart - starttime : " + start);
}
 

public String[] getVideoInfo() {
	try (FFmpegFrameGrabber frameGrabber = new FFmpegFrameGrabber(videoFile)) {
		frameGrabber.start();

		return new String[] { String.valueOf(frameGrabber.getLengthInTime() / 1000l),
				String.valueOf(frameGrabber.getImageHeight()), String.valueOf(frameGrabber.getImageWidth()) };
	} catch (Exception e) {
		log.error("Exception occured when trying to grab video information: " + e.getMessage());
		return new String[] { "0", "0", "0" };
	}
}
 

@Override
public BufferedImage getFrame(int gifFrame) {
	
	BufferedImage frame = null;
	
	try {
		g.setFrameNumber(gifFrame+1);
		frame = new Java2DFrameConverter().convert(g.grabImage());
	} catch (Exception e) {
		e.printStackTrace();
	}
	return frame == null? new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR) : frame;
}
 

public VidImageSequence(File f) throws IOException {
	
	super(f.getName());
	
	try {
		g = new FFmpegFrameGrabber(f);
		g.start();
		width	= g.getImageWidth();
		height	= g.getImageHeight();
		frames	= g.getLengthInFrames();
		
	} catch (Exception e) {
		throw new IOException();
	}
}
 

private void writeVideoFrame(File videoFile, File frameFile) throws Exception {
	FrameGrabber g = new OpenCVFrameGrabber(videoFile);
	g.start();

	/*
	 * Try to get a frame after 60 seconds
	 */
	double frameRate = g.getFrameRate();
	int fiveSecondsFrame = (int) (60 * frameRate);
	if (fiveSecondsFrame > g.getLengthInFrames())
		fiveSecondsFrame = 1;

	try {
		for (int i = 0; i < g.getLengthInFrames() && frameFile.length() == 0; i++) {
			try {
				if (i < fiveSecondsFrame) {
					g.grab();
					continue;
				}

				Frame frame = g.grab();
				if (frame == null)
					continue;
				BufferedImage img = Java2DFrameUtils.toBufferedImage(frame);
				if (img == null)
					continue;

				ImageIO.write(img, "png", frameFile);
			} catch (Throwable t) {
			}
		}
	} finally {
		g.stop();
		g.close();
	}
}
 

private void writeMp4Frame(File videoFile, File frameFile) throws Exception {
	FFmpegFrameGrabber g = new FFmpegFrameGrabber(videoFile);
	g.start();

	/*
	 * Get a frame in the middle of the video
	 */
	int startFrame = g.getLengthInVideoFrames() / 2;
	g.setVideoFrameNumber(startFrame);

	try {
		for (int i = startFrame; i < g.getLengthInFrames() && frameFile.length() == 0; i++) {
			try {
				Frame frame = g.grab();
				if (frame == null)
					continue;
				BufferedImage img = Java2DFrameUtils.toBufferedImage(frame);
				if (img == null)
					continue;

				ImageIO.write(img, "png", frameFile);
			} catch (Throwable t) {
			}
		}
	} finally {
		g.stop();
		g.close();
	}
}
 

public static void main(String[] argv) throws Exception, InterruptedException{
	JavaCVReadAVI t = new JavaCVReadAVI();
	t.setVisible(true);
	t.setPreferredSize(new Dimension(800,300));
	JFrame fr = new JFrame();
	fr.setSize(800, 600);
	fr.add(t);
	fr.setVisible(true);
	fr.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	t.run();		
}
 

/**
 * 选择视频源
 * @param src
 * @author eguid
 * @throws Exception
 */
public ConvertVideoPakcet from(String src) throws Exception {
	// 采集/抓取器
	grabber = new FFmpegFrameGrabber(src);
	if(src.indexOf("rtsp")>=0) {
		grabber.setOption("rtsp_transport","tcp");
	}
	grabber.start();// 开始之后ffmpeg会采集视频信息，之后就可以获取音视频信息
	if (width < 0 || height < 0) {
		width = grabber.getImageWidth();
		height = grabber.getImageHeight();
	}
	// 视频参数
	audiocodecid = grabber.getAudioCodec();
	System.err.println("音频编码：" + audiocodecid);
	codecid = grabber.getVideoCodec();
	framerate = grabber.getVideoFrameRate();// 帧率
	bitrate = grabber.getVideoBitrate();// 比特率
	// 音频参数
	// 想要录制音频，这三个参数必须有：audioChannels > 0 && audioBitrate > 0 && sampleRate > 0
	audioChannels = grabber.getAudioChannels();
	audioBitrate = grabber.getAudioBitrate();
	if (audioBitrate < 1) {
		audioBitrate = 128 * 1000;// 默认音频比特率
	}
	return this;
}
 

/**
 * 输出视频到文件或者流服务
 * 
 * @param out
 *            -输出位置（支持流服务和文件）
 * @return
 * @throws IOException
 */
public Recorder to(String out) throws IOException {
	if (out == null) {
		throw new Exception("输出视频不能为空");
	}
	this.out = out;
	// 录制/推流器
	record = new FFmpegFrameRecorderPlus(out, width, height);
	record.setVideoOption("crf", "18");
	record.setGopSize(2);
	record.setFrameRate(framerate);
	record.setVideoBitrate(bitrate);

	record.setAudioChannels(audioChannels);
	record.setAudioBitrate(audioBitrate);
	record.setSampleRate(sampleRate);
	AVFormatContext fc = null;
	//rtmp和flv
	if (hasRTMPFLV(out)) {
		// 封装格式flv，并使用h264和aac编码
		record.setFormat("flv");
		record.setVideoCodec(AV_CODEC_ID_H264);
		record.setAudioCodec(AV_CODEC_ID_AAC);
	}else if(hasMP4(out)){//MP4
		record.setFormat("mp4");
		record.setVideoCodec(AV_CODEC_ID_H264);
		record.setAudioCodec(AV_CODEC_ID_AAC);
	}
	record.start(fc);
	return this;
}
 

public void stopVideo() {
	try {
		start = false;
		grabber.stop();
	} catch (Exception e) {
		e.printStackTrace();
	}
}
 

public boolean startVideo() {
	try {
		grabber.setImageWidth(captureWidth);
		grabber.setImageHeight(captureHeight);
		grabber.start();
		start = true;
	} catch (Exception e) {
		e.printStackTrace();
		start = false;
		camera = false;
	}
	return start;
}
 

public boolean startVideo() {
	try {
		grabber.setImageWidth(captureWidth);
		grabber.setImageHeight(captureHeight);
		grabber.start();
		start = true;
	} catch (Exception e) {
		e.printStackTrace();
		start = false;
	}
	return start;
}
 

public static void main(String[] args) throws Exception, IOException {
	new ConvertVideoPakcet().from("rtsp://184.72.239.149/vod/mp4://BigBuckBunny_175k.mov")
	.to("rtmp://eguid.cc:1935/rtmp/eguid")
	.go();
}
 

/**
 * 转发源视频到输出（复制）
 * 
 * @param src
 *            -源视频
 * @param out
 *            -输出流媒体服务地址
 * @return
 * @throws org.bytedeco.javacv.FrameRecorder.Exception
 */
public Recorder stream(String src, String out) throws IOException {
	if (src == null || out == null) {
		throw new Exception("源视频和输出为空");
	}
	this.src = src;
	this.out = out;
	// 采集/抓取器
	grabber = new FFmpegFrameGrabber(src);
	grabber.start();
	if (width < 0 || height < 0) {
		width = grabber.getImageWidth();
		height = grabber.getImageHeight();
	}
	// 视频参数
	int audiocodecid = grabber.getAudioCodec();
	int codecid = grabber.getVideoCodec();
	double framerate = grabber.getVideoFrameRate();// 帧率
	int bitrate = grabber.getVideoBitrate();// 比特率

	// 音频参数
	// 想要录制音频，这三个参数必须有：audioChannels > 0 && audioBitrate > 0 && sampleRate > 0
	int audioChannels = grabber.getAudioChannels();
	int audioBitrate = grabber.getAudioBitrate();
	int sampleRate = grabber.getSampleRate();

	// 录制/推流器
	record = new FFmpegFrameRecorderPlus(out, width, height);
	record.setVideoOption("crf", "18");
	record.setGopSize(1);

	record.setFrameRate(framerate);
	record.setVideoBitrate(bitrate);
	record.setAudioChannels(audioChannels);
	record.setAudioBitrate(audioBitrate);
	record.setSampleRate(sampleRate);
	AVFormatContext fc = null;
	//rtmp和flv
	if (hasRTMPFLV(out)) {
		// 封装格式flv，并使用h264和aac编码
		record.setFormat("flv");
		record.setVideoCodec(AV_CODEC_ID_H264);
		record.setAudioCodec(AV_CODEC_ID_AAC);
		if(hasRTMPFLV(src)) {
			fc = grabber.getFormatContext();
		}
	}else if(hasMP4(out)){//MP4
		record.setFormat("mp4");
		record.setVideoCodec(AV_CODEC_ID_H264);
		record.setAudioCodec(AV_CODEC_ID_AAC);
	}
	record.start(fc);
	return this;
}
 

/**
 * 设置视频源
 * 
 * @param src
 *            视频源（文件或流媒体拉流地址）
 * @return
 */
Recorder from(String src) throws Exception;
 

/**
 * 重新开始，实际链式调用了：from(src).to(out).start()
 * 
 * @return
 * @throws Exception
 * @throws IOException
 */
public Recorder restart() throws Exception, IOException {
	return from(src).to(out).start();
}