Java工程使用ffmpeg进行音视频格式转换的实现

	<dependency>
      <groupId>ws.schild</groupId>
      <artifactId>jave-all-deps</artifactId>
      <version>3.3.1</version>
    </dependency>

        <dependency>
            <groupId>ws.schild</groupId>
            <artifactId>jave-all-deps</artifactId>
            <version>3.3.1</version>
            <exclusions>
                 <exclusion>
                    <groupId>ws.schild</groupId>
                    <artifactId>jave-nativebin-win32</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>ws.schild</groupId>
                    <artifactId>jave-nativebin-win64</artifactId>
                </exclusion> 
                <exclusion>
                    <groupId>ws.schild</groupId>
                    <artifactId>jave-nativebin-osx64</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>ws.schild</groupId>
                    <artifactId>jave-nativebin-osxm1</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

/**
     * 视频转码
     * @param videoSource
     * @param videoTarget
     * @return true or false
     */
    public static boolean videoToVideo(String videoSource, String videoTarget) {
//        Date time = new Date();
//        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-mm-dd hh:mm:ss");
//        System.out.println(simpleDateFormat.format(time));

        long start = System.currentTimeMillis();

        File source = new File(videoSource);
        File target = new File(videoTarget);

        AudioAttributes audio = new AudioAttributes();
        audio.setCodec("aac");
        audio.setBitRate(236000 / 2);
        audio.setChannels(2);
        audio.setSamplingRate(8000);

        VideoAttributes video = new VideoAttributes();
        video.setCodec("h264");
        video.setBitRate(1000000);
        video.setFrameRate(25);
        video.setQuality(4);
//        video.setSize(new VideoSize(720, 480));

        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setOutputFormat("mp4");
        attrs.setAudioAttributes(audio);
        attrs.setVideoAttributes(video);


        Encoder encoder = new Encoder();
        try {
            encoder.encode(new MultimediaObject(source), target, attrs);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println(encoder.getUnhandledMessages());
            return false;
        }finally {
//            time = new Date();
//            System.out.println(simpleDateFormat.format(time));
            long end = System.currentTimeMillis();
            System.out.println("总耗时："+ (end-start) +"ms");
        }
    }

/**
     * 音频转换为mp3格式，audioPath可更换为要转换的音频格式
     * @param audioPath
     * @param mp3Path
     */
    public static void toMp3(String audioPath,String mp3Path){
        File source = new File(audioPath);
        File target = new File(mp3Path);
        AudioAttributes audio = new AudioAttributes();
        audio.setCodec("libmp3lame");
        audio.setBitRate(128000);
        audio.setChannels(2);
        audio.setSamplingRate(44100);

        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setOutputFormat("mp3");
        attrs.setAudioAttributes(audio);
        Encoder encoder = new Encoder();
        try {
            encoder.encode(new MultimediaObject(source), target, attrs);
        } catch (EncoderException e) {
            e.printStackTrace();
        }
    }

/**
     * 视频文件转音频文件
     * @param videoPath
     * @param audioPath
     * return true or false
     */
    public static boolean videoToAudio(String videoPath, String audioPath){
        File fileMp4 = new File(videoPath);
        File fileMp3 = new File(audioPath);

        AudioAttributes audio = new AudioAttributes();
        audio.setCodec("libmp3lame");
        audio.setBitRate(128000);
        audio.setChannels(2);
        audio.setSamplingRate(44100);

        EncodingAttributes attrs = new EncodingAttributes();
        attrs.setOutputFormat("mp3");
        attrs.setAudioAttributes(audio);
        Encoder encoder = new Encoder();
        MultimediaObject mediaObject = new MultimediaObject(fileMp4);
        try{
            encoder.encode(mediaObject,fileMp3,attrs);
            Log.info("File MP4 convertito MP3");
            return true;
        }catch (Exception e){
            Log.error("File non convertito");
            Log.error(e.getMessage());
            return false;
        }
    }