流光_ 2016-03-17 14:34 采纳率: 0%
浏览 2732

Android 用Mp4Parser 合并视频后如何播放?

在Mp4Parser 的demo 中,有一个AppendExample.java 示范,写出了如何合并视频。
但在如下面源码所示,如何在合并后获取到新生成的合并视频文件呢?

public class AppendExample {
public static void main(String[] args) throws IOException {

    String[] videoUris = new String[]{

            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20150930_161515.mp4",
            "c:\\content\\20150930_161525.mp4",
            "c:\\content\\20150930_161529.mp4",
            "c:\\content\\20150930_161534.mp4",
            "c:\\content\\20150930_161543.mp4",
            "c:\\content\\20151001_135436.mp4",
            "c:\\content\\20151001_135446.mp4",
            "c:\\content\\20151001_135540.mp4"

    };

    List<Movie> inMovies = new ArrayList<Movie>();
    for (String videoUri : videoUris) {
        inMovies.add(MovieCreator.build(videoUri));
    }

    List<Track> videoTracks = new LinkedList<Track>();
    List<Track> audioTracks = new LinkedList<Track>();

    for (Movie m : inMovies) {
        for (Track t : m.getTracks()) {
            if (t.getHandler().equals("soun")) {
                audioTracks.add(t);
            }
            if (t.getHandler().equals("vide")) {
                videoTracks.add(t);
            }
        }
    }

    Movie result = new Movie();

    if (!audioTracks.isEmpty()) {
        result.addTrack(new AppendTrack(audioTracks.toArray(new Track[audioTracks.size()])));
    }
    if (!videoTracks.isEmpty()) {
        result.addTrack(new AppendTrack(videoTracks.toArray(new Track[videoTracks.size()])));
    }

    Container out = new DefaultMp4Builder().build(result);

    FileChannel fc = new RandomAccessFile(String.format("output.mp4"), "rw").getChannel();
    out.writeContainer(fc);
    fc.close();


}

}


git原址:https://github.com/sannies/mp4parser

非常感谢
  • 写回答

1条回答 默认 最新

  • devmiao 2016-03-17 15:51
    关注
    评论

报告相同问题?

悬赏问题

  • ¥65 永磁型步进电机PID算法
  • ¥15 sqlite 附加(attach database)加密数据库时,返回26是什么原因呢?
  • ¥88 找成都本地经验丰富懂小程序开发的技术大咖
  • ¥15 如何处理复杂数据表格的除法运算
  • ¥15 如何用stc8h1k08的片子做485数据透传的功能?(关键词-串口)
  • ¥15 有兄弟姐妹会用word插图功能制作类似citespace的图片吗?
  • ¥200 uniapp长期运行卡死问题解决
  • ¥15 latex怎么处理论文引理引用参考文献
  • ¥15 请教:如何用postman调用本地虚拟机区块链接上的合约?
  • ¥15 为什么使用javacv转封装rtsp为rtmp时出现如下问题:[h264 @ 000000004faf7500]no frame?