[vlc-devel] Re: (Please Help)What is the function of the h264/avc video packetizer?

Nelson Lam nelson.lam at student.cityu.edu.hk
Sun Feb 19 17:43:50 CET 2006

Thank you for your quick reply ^^

I have a question about the h264/avc video packetizer.
What is the data format from the output of the packetizer? (Is it AnnexB or
H.264 raw data?)

Much thanks,

>===== Original Message From Benjamin Pracht <bigben+spam at videolan.org> =====
>Le dimanche 19 février 2006 ?23:08 +0800, Nelson Lam a écrit :
>> Hi everyone,
>> I would like to ask what the output format of the h264/avc video packetizer
>> is? And what is the function of the packetizer? Besides, ffmpeg has its own
>> demuxer. I would like to ask why there is a duplicated H264 Video demuxer
>> the demuxer/mpeg folder? I have studied the code for a few days but I still
>> dont know what it is... Could anyone please help me? ^^
>Our mp4 demuxer is older than libavformat, I guess. The same way, our
>h264 raw demuxer must date back the first developments of x264 / the
>ffmpeg H264 decoder. We also have always tried not to rely on
>libavformat to demux our streams, although we can use it.
>The prupose of the packetizer it to organise data comming from the demux
>in long enough logical entities that are fit to be sent either to the
>decoder or to stream output.
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