使用JavaCV完成h264编码的视频文件的编码

gistfile1.txt

import org.bytedeco.javacpp.avcodec;
import org.bytedeco.javacpp.avutil;
import org.bytedeco.javacv.FFmpegFrameRecorder;
import org.bytedeco.javacv.FrameRecorder;
import org.bytedeco.javacv.Java2DFrameConverter;

import java.awt.*;
import java.awt.image.BufferedImage;


public class JavaCVMp4EncodeTest
{

    public static void main( String[] args ) throws FrameRecorder.Exception {
        String finalVideoPath = "/tmp/test.mp4";
        FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(finalVideoPath, 1024,768);
        recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);

        recorder.setFrameRate(25.0);
        recorder.setVideoBitrate((int)((1024*768*25)*2*0.07));

        recorder.setPixelFormat(avutil.AV_PIX_FMT_YUV420P);
        recorder.setFormat("mp4");
        recorder.start();

        BufferedImage img = new BufferedImage(1024, 768, BufferedImage.TYPE_INT_RGB);

        Java2DFrameConverter java2dConverter = new Java2DFrameConverter();
        Graphics2D g2 = (Graphics2D)img.getGraphics();
        for (int i = 0; i <= 25 * 20; i++) {
            g2.setColor(Color.white);
            g2.fillRect(0, 0, 1024, 768);
            g2.setPaint(Color.black);
            g2.drawString("frame " + i, 100, 250);
            recorder.record(java2dConverter.convert(img));
        }

        recorder.stop();
        recorder.release();
    }
}