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dm355 encode mpeg4 bitstream, but it cannot be decoded by xvid decoder, help me...

bresso
Prodigy 60 points

Hello everyone.

I have a tough question to ask. I use dm355 to capture and encode a mpeg4 bitstream. In the same network section, there's a  server takes charge of decoding the bitstream which is sent by dm355 with RTP. Now the problem is that the decoder of the server is a XVID decoder, it seems that it cannot decode the bitsream which is encoded by dm355.  In the beginning, I doubt wheather RTP have transported every frame to the server end or not. So I write a test program which receive every frame and write them to a .mpeg4 file. The truth is that I can play the .mpeg4 file with MPlayer but not VLC. So I can reasonably conclude that it is not because of RTP transportation error but the XVID decoder. I really want to know can XVID decoder decode a bitstream which encoded by dm355 ? Thanks.

Best Regards,

Bresso

  • 0
    Prodigy 60 points

    Your problem is same to mine, but I can't understand how to slove it ...

  • 0
    TI__Mastermind 37340 points

    Are you two working on the same project, or are these two independant projects?  Just curious.

    I am not too familair with XVID, but have heard of customers using FFMPEG or MENCODER; I believe MPLAYER is based on FFMPEG, so this could explain why it works. 

    Have you tried contacting the makers of XVID to find out if they have certain requirements/limitations that an MPEG4 stream must adhere to in order to be decoded with their decoder...?