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    Mediaspip core
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    La première attitude à adopter est d’en parler, soit directement avec les personnes impliquées dans son développement, soit autour de vous pour convaincre de nouvelles personnes à l’utiliser.
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    12 mars 2010, par

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Sur d’autres sites (11402)

  • Can VideoView be detach and reattached without stopping the stream ?

    1er juin 2015, par Thierry-Dimitri Roy

    I’m building an app where the user clicks on a button to show a video full screen. Initially the video is attached to a view inside a ViewPager. To be able to show it fullscreen I detach it from its parent and reattach it to the root view. This works fine, except when the video is switched to fullscreen while playing. When I detach a playing VideoView it just stop and I need to restart it. This is not acceptable since the video starts buffering before resume. Here the part of the code where the detach is done :

       final ViewGroup parent = (ViewGroup) findViewById(R.id.parent);

       final ViewGroup root = (ViewGroup) findViewById(R.id.root);

       Button b = (Button) findViewById(R.id.button);
       b.setOnClickListener(new OnClickListener() {

           @Override
           public void onClick(View v) {
               parent.removeView(mVideoView);

               LayoutParams lp = new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
               root.addView(mVideoView, lp);
           }
       });

    Depending of the device, I have a different log error. Probably because the actual video player is provided by the manufacturer and not the Android SDK. Here are the error logs for a Nexus 7 :

    10-30 20:26:18.618: D/NvOsDebugPrintf(124): NvMMDecTVMRDestroyParser Begin
    10-30 20:26:18.618: D/NvOsDebugPrintf(124): --------- Closing TVMR Frame Delivery Thread -------------
    10-30 20:26:18.678: D/NvOsDebugPrintf(124): ------- NvAvpClose -------
    10-30 20:26:18.678: D/NvOsDebugPrintf(124): NvMMDecTVMRDestroyParser Done
    10-30 20:26:18.678: D/NvOsDebugPrintf(124): NvMMLiteTVMRDecPrivateClose Done

    I haven’t been able to detach the video without stopping it. I tried using SurfaceView or TextureView without success.

    I also tried finding a third party video player. I found a commercial one (http://www.vitamio.org/) that I can’t really use for business reason. I found an open source one, that hasn’t been updated in the last year (https://code.google.com/p/dolphin-player/).

    I’m currently targeting Android 4.2 or better on tablet only.


    Note that the ViewPager is not fullscreen. So I can’t use LayoutParams to make the video fullscreen. I need to remove the VideoView from the parent in the ViewPager and add it to the root view to be able to show it fullscreen.

    The URL I’m testing with : http://bellvps1.cpl.delvenetworks.com/media/e1b3e24ecb944abd8f4ed823a0b76ddc/68f78d35296243bfb46d2418f03f2fd0/bande-annonce---the-secret-life-of-walter-mitty-1-9efcc5c6e52ac07a3edf84a1b21967995b7796a2.m3u8

  • Can VideoView be detach and reattached without stopping the stream ?

    17 septembre 2018, par Thierry-Dimitri Roy

    I’m building an app where the user clicks on a button to show a video full screen. Initially the video is attached to a view inside a ViewPager. To be able to show it fullscreen I detach it from its parent and reattach it to the root view. This works fine, except when the video is switched to fullscreen while playing. When I detach a playing VideoView it just stop and I need to restart it. This is not acceptable since the video starts buffering before resume. Here the part of the code where the detach is done :

       final ViewGroup parent = (ViewGroup) findViewById(R.id.parent);

       final ViewGroup root = (ViewGroup) findViewById(R.id.root);

       Button b = (Button) findViewById(R.id.button);
       b.setOnClickListener(new OnClickListener() {

           @Override
           public void onClick(View v) {
               parent.removeView(mVideoView);

               LayoutParams lp = new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
               root.addView(mVideoView, lp);
           }
       });

    Depending of the device, I have a different log error. Probably because the actual video player is provided by the manufacturer and not the Android SDK. Here are the error logs for a Nexus 7 :

    10-30 20:26:18.618: D/NvOsDebugPrintf(124): NvMMDecTVMRDestroyParser Begin
    10-30 20:26:18.618: D/NvOsDebugPrintf(124): --------- Closing TVMR Frame Delivery Thread -------------
    10-30 20:26:18.678: D/NvOsDebugPrintf(124): ------- NvAvpClose -------
    10-30 20:26:18.678: D/NvOsDebugPrintf(124): NvMMDecTVMRDestroyParser Done
    10-30 20:26:18.678: D/NvOsDebugPrintf(124): NvMMLiteTVMRDecPrivateClose Done

    I haven’t been able to detach the video without stopping it. I tried using SurfaceView or TextureView without success.

    I also tried finding a third party video player. I found a commercial one (http://www.vitamio.org/) that I can’t really use for business reason. I found an open source one, that hasn’t been updated in the last year (https://code.google.com/p/dolphin-player/).

    I’m currently targeting Android 4.2 or better on tablet only.


    Note that the ViewPager is not fullscreen. So I can’t use LayoutParams to make the video fullscreen. I need to remove the VideoView from the parent in the ViewPager and add it to the root view to be able to show it fullscreen.

    The URL I’m testing with : http://bellvps1.cpl.delvenetworks.com/media/e1b3e24ecb944abd8f4ed823a0b76ddc/68f78d35296243bfb46d2418f03f2fd0/bande-annonce---the-secret-life-of-walter-mitty-1-9efcc5c6e52ac07a3edf84a1b21967995b7796a2.m3u8

  • Transcode a live stream by FFmpeg & Redistribute it by VLC ?

    12 septembre 2016, par Takashi

    Can someone point me to an URL concerning exactly this ?
    I spent over half an hour and couldn’t find this example..

    https://trac.ffmpeg.org/wiki/StreamingGuide

    Even ​VLC can pick up the stream from ffmpeg, then redistribute it, acting as a server.

    Thanks for your help !

    Takashi