Java将图片合并为视频

package com.zone; import org.bytedeco.ffmpeg.global.avutil; import org.bytedeco.javacv.*; import org.bytedeco.javacv.Frame; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.Map; public class Util { /** * 图片转视频 * @param sourceVideolUrl 原视频地址 * @param targetVideoUrl 新视频地址 * @param imgMap * @return void */ public static void imageTovideo(String sourceVideolUrl, String targetVideoUrl, Map<Integer, File> imgMap) throws IOException { FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(sourceVideolUrl); grabber.start(); int width = grabber.getImageWidth(); int height = grabber.getImageHeight(); // 时长 // long duration = grabber.getLengthInTime() / 1000000; // 帧数 int ftp = grabber.getLengthInFrames(); //视频宽高最好是按照常见的视频的宽高 16：9 或者 9：16 FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(targetVideoUrl, width, height); //设置视频为25帧每秒 recorder.setFrameRate(25); //设置视频图像数据格式 recorder.setPixelFormat((avutil.AV_PIX_FMT_YUV420P)); recorder.setFormat(grabber.getFormat()); recorder.start(); Java2DFrameConverter converter = new Java2DFrameConverter(); int num = 0; while (num <= ftp){ Frame sourceFrame = grabber.grabImage(); if (sourceFrame == null) { num++; continue; } BufferedImage read = ImageIO.read(imgMap.get(num)); Frame targetFrame = converter.getFrame(read); targetFrame.audioChannels = sourceFrame.audioChannels; targetFrame.sampleRate = sourceFrame.sampleRate; targetFrame.samples = sourceFrame.samples; recorder.record(targetFrame); num++; } //最后一定要结束并释放资源 recorder.stop(); recorder.release(); grabber.stop(); grabber.release(); } }