流媒体 MP4 问题 - 明显的答案吗？
我是一名 Flash 开发人员，最近随着我工作的公司转向应用程序领域，我开始涉足 Android。我制作了一个基于 XML feed 的视频库，一切正常，直到我必须播放电影本身，此时我得到：
无法播放视频。无效的流数据。
我的画廊项目通过 .mp4 链接作为额外内容启动了另一项活动：
public class Video_play extends Activity implements View.OnClickListener {
String vLink;
Uri vid;
VideoView vv;
MediaPlayer mp;
SurfaceHolder holder;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);//Hide app title
Bundle extras = getIntent().getExtras();
if (extras != null) {
vLink = extras.getString("video");
vid = Uri.parse(vLink);
}
setContentView(R.layout.vidplay_layout);
vv = (VideoView)findViewById(R.id.vid_fscreen);
Log.i("Video link is: ",vid+"");
MediaController mediaController = new MediaController(this);
mediaController.setAnchorView(vv);
vv.setMediaController(mediaController);
vv.setVideoURI(vid);
vv.start();
}
public void onClick(View v) {
}
}
我整个下午都在寻找，但找不到任何关于我做错了什么的直接建议。任何帮助都绝对可以挽救生命，提前致谢。
I'm a Flash developer by trade, have recently made the jump into Android as the company I work for are moving into apps. I've made a video gallery based on an XML feed, it all works fine until I have to play the movie itself, at which point I get:
Unable to play video. Invalid streaming data.
My gallery items fire up another activity with the .mp4 link as an extra:
public class Video_play extends Activity implements View.OnClickListener {
String vLink;
Uri vid;
VideoView vv;
MediaPlayer mp;
SurfaceHolder holder;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);//Hide app title
Bundle extras = getIntent().getExtras();
if (extras != null) {
vLink = extras.getString("video");
vid = Uri.parse(vLink);
}
setContentView(R.layout.vidplay_layout);
vv = (VideoView)findViewById(R.id.vid_fscreen);
Log.i("Video link is: ",vid+"");
MediaController mediaController = new MediaController(this);
mediaController.setAnchorView(vv);
vv.setMediaController(mediaController);
vv.setVideoURI(vid);
vv.start();
}
public void onClick(View v) {
}
}
I've been looking all afternoon and I can't find any straightforward advice on what I'm doing wrong. Any help would be absolutely life-saving, thanks in advance.
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您正在哪个版本的 Android 上进行测试？直到 Android 2.2 才完全支持 MP4 视频的 HTTP 渐进式流式传输。
对于早期 Android 版本上的流式播放，您通常可以通过使用 MP4Box 等后编码软件向文件添加“提示轨道”来解决此问题：
http://www.videohelp.com/tools/mp4box
What version of Android are you testing it on? HTTP progressive streaming for MP4 video was not fully supported until Android 2.2.
For streaming playback on earlier Android versions you can usually work around this by using post-encoding software like MP4Box to add "hint tracks" to the file:
http://www.videohelp.com/tools/mp4box