我正在使用Sebastian Annies的mp4parser示例,链接为https://mp4parser.googlecode.com/svn/trunk/examples/src/main/java/com/googlecode/mp4parser/AppendExample.java,将其用于合并3个视频。结果应该是一个视频同时播放这三个视频,但是我得到的是一个视频,重复播放最后一个视频3次。以下是我的代码...
// int i = number of videos....
try {
String[] f = new String[i];
for (int count = 0; count < i; count++) {
f[count] = "/sdcard/vid" + i + ".mp4";
}
Movie[] inMovies = new Movie[i];
for (int count = 0; count < i; count++) {
inMovies[count] = MovieCreator.build(f[count]);
}
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.size() > 0) {
result.addTrack(new AppendTrack(audioTracks.toArray(new Track[audioTracks.size()])));
}
if (videoTracks.size() > 0) {
result.addTrack(new AppendTrack(videoTracks.toArray(new Track[videoTracks.size()])));
}
Container out = new DefaultMp4Builder().build(result);
FileChannel fc = new RandomAccessFile(String.format
("/sdcard/output.mp4"),
"rw").getChannel();
out.writeContainer(fc);
fc.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
VideoView v = (VideoView) findViewById(R.id.videoView1);
// v.setVideoPath("/sdcard/aaa" + i + ".mp4");
v.setVideoPath("/sdcard/output.mp4");
v.setMediaController(new MediaController(this));
v.start();
我不知道为什么它没有按照预期执行。请帮帮我。谢谢。