[vlc] video problem to play on android phone

kodmw-vlc at yahoo.com.cn kodmw-vlc at yahoo.com.cn
Thu Feb 21 09:27:35 CET 2013


I'm not sure that this problem should belong to vlc or vlc-devel mailing-list.
I'm sorry to disturb you if it shouldn't be here.
Thanks.
Omar



----- 转发的邮件 -----
>发件人: "kodmw-vlc at yahoo.com.cn" <kodmw-vlc at yahoo.com.cn>
>收件人: "vlc-devel at videolan.org" <vlc-devel at videolan.org> 
>发送日期: 2013年2月20日, 星期三, 5:34 下午
>主题: video problem to play on android phone
> 
>
>Hi, all,
>
>
>I tried to build a streaming server to receive multimedia data from **.m3u8 on the network and then stream it out with rtsp.
>The browser on android phone played with video and audio if I did it with VLC.
>But the browser played with only audio and no video (black screen) if I did it with demo code of libvlc from wiki.
>I don't know the difference between the two mode.
>Demo code is as follows:
>=========================================
>// vlc2stream.cpp : Defines the entry point for the console application.
>
>#include "stdafx.h"
>#include <conio.h>
>#include <vlc/vlc.h>
>#include
 <Windows.h>
>int _tmain(int argc, _TCHAR* argv[])
>{
>     libvlc_instance_t * inst;
>     libvlc_media_player_t *mp;
>     libvlc_media_t *m;
>     libvlc_log_t *log;
> 
>     /* Load the VLC engine */
>     inst = libvlc_new (0, NULL);
> 
>     // logging
>     log = libvlc_log_open (inst);    
>     libvlc_set_log_verbosity (inst, 2);
>     unsigned int level = libvlc_get_log_verbosity (inst);
>     printf ("vlc log verbosity level = %d\n", level); 
> 
>    /* Create a new item */
>     m = libvlc_media_new_path (inst, "http://192.168.1.186:1000/601.m3u8");
>     // media option
>   
  const char *options[]=
>     {
>        ":sout=#transcode{acodec=mp4a,ab=32,channels=2,samplerate=44100,vcodec=h264,vb=350,fps=15,scale=1}",
>        ":sout=#standard{mux=mp4}",
>        ":sout=#duplicate{dst=rtp{sdp=rtsp://:8554/601},dst=display}",
>        ":sout-keep"
>     };
>
>     for (int i = 0; i < sizeof(options) / sizeof(options[0]); i++)
>         libvlc_media_add_option (m, options[i]);
> 
>     /* Create a media player playing environement */
>     mp = libvlc_media_player_new_from_media (m);
> 
>     /* No need to keep the media now */
>     libvlc_media_release (m);
> 
> #if
 0
>     /* This is a non working code that show how to hooks into a window,
>         * if we have a window around */
>         libvlc_media_player_set_xdrawable (mp, xdrawable);
>     /* or on windows */
>     libvlc_media_player_set_hwnd (mp, hwnd);
>     /* or on mac os */
>     libvlc_media_player_set_nsobject (mp, view);
> #endif
> 
>     /* play the media_player */
>     libvlc_media_player_play (mp);
> 
>     while (!kbhit())
>         Sleep (100); /* Let it play a bit */
> 
>     /* Stop playing */
>     libvlc_media_player_stop (mp);
> 
>     /* Free the
 media_player */
>     libvlc_media_player_release (mp);     
> 
>     libvlc_release (inst);
> 
> 
>     printf ("message in log = %d\n", libvlc_log_count (log));
>     system("pause");
>
>    return 0;
>}
>
>=========================================
>I think problem comes from the variable options[] in the code which is based on the demo, the document to vlc command and 
>
>vlc software. Streaming with vlc software will generate a stream output string on the dialog "option setup".
>I tried a lot of command in the options[] but no result.
>Anyone can help me?
>
>
>Thanks in advance.
>Omar
>
>
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