[vlc-devel] (Please help)Some concepts about video packetizer and ffmpeg

Nelson Lam nelson.lam at student.cityu.edu.hk
Mon Feb 20 17:43:50 CET 2006

Hi everyone,

I have studied the h264/avc video packetizer for a long time. But I still dont 
know what is the output format of the packetizer (NAL bitstream or something 
else?). Besides, ffmpeg reads p_block->p_buffer and p_block->i_buffer as its 
input. If the number of byte stored in the p_block is larger than what the 
decoder needs(larger than the data needed to decode one frame). What will 
happen? Where will the extra data go?

Please help me for the difficulties.
Thank you very much!


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