[vlc-devel] vlc debuging

Yu liuyuneo at gmail.com
Fri Sep 10 03:58:05 CEST 2010

Sorry, I'm afraid I'm not the very person familiar with this area.
Maybe you can email to mail-list of VLC.

On Fri, Sep 10, 2010 at 9:41 AM, yanwei liu <yanw.liu at gmail.com> wrote:

> Hello, experts,
> I currently implement H.264 RTP streaming. I implemented the function
> of sending RTP  for H.264 compressed video file and transmitted the
> rtp packets over UDP,  the client receive the rtp and play the video
> using vlc player.
> The specific operation flow is as follows. I first start up the vlc
> media player and open a sdp file, and then start up the server to send
> rtp packets. Actually the server has defined the information of sdp
> file. The vlc media player then can display the video. When the video
> is not encoded with multiple slice mode, it is can be played well.
> That is, one frame is packed into one packet. However, when the video
> is encoded with mujltiple slice mode, (one slice is packed into one
> packet) the vlc only show the Intra frame. I coded the video with IPPP
> structure. GOP size is to 10.
> When vlc player opens the offline h.264 compressed video file with
> slice mode coding, it can also play the video. I used the vlc 1.0.3.
> Do you encounter the similar problem? It will be very appreciated if
> you can give some suggestions.
> Currently, I want to gdb the vlc code to solve this problem. I has
> found some functions in live555.cpp and video.c are performed.
> However, I need investigate the specific flow of the vlc program to
> compete the the chain from video rtp receiving to video playing. I am
> puzzled that where I can understand the code and debug it. Through the
> gdb vlc code, I know that the program includes many threads and
> plugins.  How I debug into the code section of the threads and
> plugins.
> Any suggestions and directions are welcome!
> Thanks!
> --
> Best Regards,
> Joshua
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Yu Liu
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