commit 2436ba4c963d1d213f26daea70b7ea5361226cfb
Author: wangbing <wangbing@wbsite.xyz>
Date:   Thu Jun 20 00:10:55 2024 +0800

    init

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+*.iml
+.idea/
diff --git a/pom.xml b/pom.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.example</groupId>
+    <artifactId>starter-jpg2mp4</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <!--<packaging>war</packaging>--><!--需要打包成war时放开-->
+    <name>starter-img2mp4</name>
+    <description>project for Spring Boot</description>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>8</java.version>
+        <maven.test.skip>true</maven.test.skip>
+    </properties>
+
+    <repositories>
+        <!-- 将中央仓库地址指向阿里云聚合仓库,提高下载速度 -->
+        <repository>
+            <id>aliyun</id>
+            <name>Aliyun Repository</name>
+            <layout>default</layout>
+            <url>https://maven.aliyun.com/repository/public</url>
+        </repository>
+    </repositories>
+    <pluginRepositories>
+        <!-- 将插件的仓库指向阿里云聚合仓库，解决低版本maven下载插件异常或提高下载速度 -->
+        <pluginRepository>
+            <id>aliyun</id>
+            <name>Aliyun Repository</name>
+            <url>https://maven.aliyun.com/repository/public</url>
+            <layout>default</layout>
+        </pluginRepository>
+    </pluginRepositories>
+
+    <dependencies>
+        <!--图片转MP4-->
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>javacv</artifactId>
+            <version>1.5.6</version>
+        </dependency>
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>ffmpeg-platform</artifactId>
+            <version>4.4-1.5.6</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>5.8.26</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <!-- 项目名称 -->
+        <finalName>${artifactId}-${version}</finalName>
+        <!-- 默认的主代码目录 -->
+        <sourceDirectory>src/main/java</sourceDirectory>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <configuration>
+                    <webResources>
+                        <resource>
+                            <directory>${project.basedir}/src/main/resources/lib</directory>
+                            <targetPath>WEB-INF/lib</targetPath>
+                            <includes>
+                                <include>*.jar</include>
+                            </includes>
+                        </resource>
+                    </webResources>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git a/src/main/java/com/example/jpg2mp4/Image2Mp4.java b/src/main/java/com/example/jpg2mp4/Image2Mp4.java
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+++ b/src/main/java/com/example/jpg2mp4/Image2Mp4.java
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+package com.example.jpg2mp4;
+
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.io.resource.ResourceUtil;
+import org.bytedeco.ffmpeg.global.avcodec;
+import org.bytedeco.ffmpeg.global.avutil;
+import org.bytedeco.javacv.FFmpegFrameGrabber;
+import org.bytedeco.javacv.FFmpegFrameRecorder;
+import org.bytedeco.javacv.Frame;
+import org.bytedeco.javacv.FrameGrabber;
+import org.bytedeco.javacv.FrameRecorder;
+import org.bytedeco.javacv.Java2DFrameConverter;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.util.Date;
+import java.util.List;
+
+public class Image2Mp4 {
+    public static void main(String[] args) throws Exception {
+        String absolutePath = FileUtil.getAbsolutePath("");
+
+        // 图片集合目录
+        String imgs = FileUtil.getAbsolutePath("data\\album\\");
+        String auds = FileUtil.getAbsolutePath("data\\music\\");
+        // 图片集合目录
+        String target = FileUtil.getAbsolutePath("data\\target\\");
+        //合成的MP4
+        String mp4 = DateUtil.date().toString("yyyyMMddHHmmss");
+        String tempMp4 = target + mp4 + "temp.mp4";
+        String outMp4 = target + mp4 + ".mp4";
+        // 视频宽度
+        int width = 1920;
+        // 视频高度
+        int height = 1080;
+        createTempMp4(imgs, tempMp4, width, height);
+        if (FileUtil.loopFiles(auds).size() > 0) {
+            mergeMp4(tempMp4, auds, outMp4);
+        } else {
+            FileUtil.move(new File(tempMp4), new File(mp4), true);
+        }
+    }
+
+    /**
+     * 创建临时文件
+     *
+     * @param tempMp4
+     * @param imgs
+     * @param width
+     * @param height
+     * @throws FrameRecorder.Exception
+     */
+    private static void createTempMp4(String imgs, String tempMp4, int width, int height) throws FrameRecorder.Exception {
+        //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(tempMp4, width, height);
+        //设置视频编码层模式
+        recorder.setVideoCodec(avcodec.AV_CODEC_ID_MPEG4);
+        // 设置视频图像数据格式 yuv420p  先默认吧，这个应该属于设置视频的处理模式吧
+        recorder.setPixelFormat(avutil.AV_PIX_FMT_YUV420P);
+        recorder.setFormat("mp4");
+        //视频帧,一般不能小于24，否则有卡顿
+        int frameRate = 25;
+        recorder.setFrameRate(frameRate);
+        //这一步没有感觉到有多少影响，暂时不管
+        recorder.setGopSize(50);
+        //8000kb/s 这个说明视频每秒大小，值越大图片转过来的压缩率就越小质量就会越高
+        recorder.setVideoBitrate(8000000);
+        // 不可变(固定)音频比特率
+        recorder.setAudioOption("crf", "0");
+        // 最高质量
+        recorder.setAudioQuality(0);
+        // 音频比特率
+        recorder.setAudioBitrate(192000);
+        // 音频采样率11025Hz、22050Hz、24000Hz、44100Hz、48000Hz
+        recorder.setSampleRate(44100);
+        // 双通道(立体声)
+        recorder.setAudioChannels(2);
+
+        try {
+            recorder.start();
+            Java2DFrameConverter converter = new Java2DFrameConverter();
+
+            List<File> files = FileUtil.loopFiles(imgs);
+            for (int i = 0; i < files.size(); i++) {
+                BufferedImage read = ImageIO.read(files.get(i));
+                //一秒是25帧 所以要记录25次
+                for (int j = 0; j < frameRate; j++) {
+                    System.out.println("正在写入，第" + (i + 1) + "张,第" + (j + 1) + "帧");
+                    //编码格式 ##后面参数用于解决生成视频颜色不对问题
+                    recorder.record(converter.getFrame(read));
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            //最后一定要结束并释放资源
+            recorder.stop();
+            recorder.release();
+        }
+    }
+
+    /**
+     * 合并视频和音频
+     *
+     * @param videoPath
+     * @param audioPath
+     * @param outPut
+     * @return
+     * @throws Exception
+     */
+    public static boolean mergeMp4(String videoPath, String audioPath, String outPut) throws Exception {
+        boolean isCreated = true;
+        File file = new File(videoPath);
+        if (!file.exists()) {
+            return false;
+        }
+        FrameRecorder recorder = null;
+        FrameGrabber grabber1 = null;
+        FrameGrabber grabber2 = null;
+        try {
+            //抓取视频帧
+            grabber1 = new FFmpegFrameGrabber(videoPath);
+            //抓取音频帧
+            grabber2 = new FFmpegFrameGrabber(FileUtil.loopFiles(audioPath).get(0));
+            grabber1.start();
+            grabber2.start();
+            //创建录制
+            recorder = new FFmpegFrameRecorder(outPut, grabber1.getImageWidth(), grabber1.getImageHeight(), grabber2.getAudioChannels());
+            recorder.setFormat("mp4");
+            recorder.setFrameRate(grabber1.getFrameRate());
+            recorder.setSampleRate(grabber2.getSampleRate());
+            // 视频质量，0表示无损
+            recorder.setVideoQuality(0);
+            recorder.start();
+            Frame frame1;
+            //录入视频
+            while ((frame1 = grabber1.grabFrame()) != null) {
+                recorder.record(frame1);
+            }
+            //录入音频
+            audioEntry(grabber1, grabber2, recorder);
+            grabber1.stop();
+            grabber2.stop();
+            recorder.stop();
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                if (recorder != null) {
+                    recorder.release();
+                }
+                if (grabber1 != null) {
+                    grabber1.release();
+                }
+                if (grabber2 != null) {
+                    grabber2.release();
+                }
+            } catch (FrameRecorder.Exception e) {
+                e.printStackTrace();
+            }
+        }
+        return isCreated;
+    }
+
+    private static void audioEntry(FrameGrabber grabber1, FrameGrabber grabber2, FrameRecorder recorder) throws Exception {
+        Frame frame = null;
+        long grabber1Timestamp = grabber1.getTimestamp();
+        while ((frame = grabber2.grabFrame()) != null) {
+            //如果视频时长小于音频时长 则截断音频帧
+            if (grabber1Timestamp <= grabber2.getTimestamp()) break;
+            recorder.record(frame);
+        }
+        long differ = grabber1Timestamp - grabber2.getTimestamp();
+        //如果视频时长大于音频时长 则循环录入
+        if (differ > 0) {
+            grabber1.setTimestamp(differ);
+            audioEntry(grabber1, grabber2, recorder);
+        }
+    }
+}
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