Java视频编码转换示例

痛定思痛。 2022-10-27 12:25 182阅读 0赞

/**
         * 视频压缩
         *  movToMp4("C:/mysoftware/video/test188.avi","C:/mysoftware/video/test188temp.mp4");
         * @param sourcePath  视频来源
         * @param targetPath 压缩后的视频地址
         */
        private static void convertToMp4(String sourcePath, String targetPath) {
            File source = new File(sourcePath);
            File target = new File(targetPath);
            long beginTime = System.currentTimeMillis();
            AudioAttributes audio = new AudioAttributes();
            audio.setCodec("aac");
            //比特率是指每秒传送的比特(bit)数。单位为 bps(Bit Per Second)，比特率越高，传送数据速度越快
            audio.setBitRate(80000);
            audio.setChannels(1);
            audio.setSamplingRate(22050);
            VideoAttributes video = new VideoAttributes();
            video.setCodec("h264");
            video.setBitRate(2325 * 1024);
            //设置帧率,越大越流畅，越小越卡
            video.setFrameRate(60);
            EncodingAttributes attrs = new EncodingAttributes();
            attrs.setAudioAttributes(audio);
            attrs.setVideoAttributes(video);
            Encoder encoder = new Encoder();
            try {
                encoder.encode(new MultimediaObject(source), target, attrs);
                System.out.println("压缩完成花费时间是：" + ((System.currentTimeMillis() - beginTime))/1000 + "秒");
            } catch (IllegalArgumentException | EncoderException e) {
                e.printStackTrace();
            }
    
        }

<properties>      
            <schild.version>3.0.1</schild.version>
           </properties>      
    
          <dependency>
                <groupId>ws.schild</groupId>
                <artifactId>jave-all-deps</artifactId>
                <version>${schild.version}</version>
            </dependency>
            <dependency>
                <groupId>ws.schild</groupId>
                <artifactId>jave-core</artifactId>
                <version>${schild.version}</version>
            </dependency>
            <dependency>
                <groupId>ws.schild</groupId>
                <artifactId>jave-nativebin-win64</artifactId>
                <version>${schild.version}</version>
            </dependency>
            <dependency>
                <groupId>ws.schild</groupId>
                <artifactId>jave-nativebin-linux64</artifactId>
                <version>${schild.version}</version>
            </dependency>
            <dependency>
                <groupId>ws.schild</groupId>
                <artifactId>jave-nativebin-osx64</artifactId>
                <version>${schild.version}</version>
            </dependency>