MP4Parser创建损坏的mp4

Question

我正在使用mp4parser将两个视频添加到一个安卓应用程序中，但是输出是一个我无法使用我的手机或计算机(和VLC)的文件。这是我使用的函数

public void MergeVideos(String[] pathsToVideos, String pathToOutput) throws IOException, InterruptedException
{
    List<Track> tracks = new LinkedList<Track>();
    Movie outputVideo = new Movie();

    for (int i = 0; i < pathsToVideos.length; i++)
    {
        Movie video = MovieCreator.build(pathsToVideos[i]);
        List<Track> trackss = video.getTracks();   
        for (Track track : trackss) 
        {
            if (track.getHandler().equals("vide"))
            {
                tracks.add(track);
            }
        }
    }

    outputVideo.addTrack(new AppendTrack(tracks.toArray(new Track[tracks.size()])));
    Container out = new DefaultMp4Builder().build(outputVideo);

    File outputFile = new File(pathToOutput);

    if(!outputFile.exists())
    {
        outputFile.createNewFile();
    }

    //write mp4 file
    FileChannel fc = new RandomAccessFile(String.format(pathToOutput), "rw").getChannel();
    out.writeContainer(fc);
    fc.close();

    //Add to the android media gallery so i can see it on my computer
    addToGallery(new File(pathToOutput));
}

Answer 1

由于问题来自MP4Parser本身，所以我转到了FFMpeg，在那里我可以成功地组合视频。

我使用了demuxer和以后的引用；下面是我使用的命令：

"ffmpeg -y -f concat -i temp.txt -c copy output.mp4"