[vlc-devel] Zipped mp4 file and STREAM_CAN_FASTSEEK

Christopher Mueller christopher.mueller at itec.uni-klu.ac.at
Wed Aug 24 18:26:35 CEST 2011


> Le mercredi 24 août 2011 18:59:17 Christopher Mueller, vous avez écrit :
>> If seek is disabled the mp4 plugin could not be used because it has to
>> build the box structure tree at first. Therefore it needs the seek
>> function because it reads the unique identifier of the box and the
>> length
>> and then it jumps to the end of each box until it reaches the end of the
>> file. If seek is disabled this is not possible and the libavformat mov
>> demux must be used because it is designed for streaming and it dosent
>> has
>> to read the whole file at the beginning it just has to read until it
>> reaches the first mdat box.
>
> Yeah. And so what?

Just want to help Peter with the understanding why it is not used maybe it
is helpful do have a problem with that?

>
> --
> Rémi Denis-Courmont
> http://www.remlab.net/
> http://fi.linkedin.com/in/remidenis
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