[Ffmpeg-devel] avformat/mpegts reads too much data for lowbitratestreams

Måns Rullgård mru
Thu Jun 9 14:09:59 CEST 2005

Michael Niedermayer <michaelni at gmx.at> writes:

> Hi
> On Thursday 09 June 2005 12:49, M?ns Rullg?rd wrote:
>> Michael Niedermayer <michaelni at gmx.at> writes:
>> >> A couple of DVB samples I checked repeat the SDT every 2 seconds.  If
>> >> we want to be sure to catch it, it will be necessary to keep looking
>> >> for a few seconds.  If the stream is in fact not DVB, this will impose
>> >> an annoying delay.  Limiting the search by size is not ideal, either,
>> >> the better solution being a time-limited search, as determined by PCR
>> >> values.  This is of course more complex.
>> >
>> > and independant of that, why not make it a little more flexible and
>> > let the user override whatever the default will be if she wishes ...
>> Any suggestion on how this should be passed to the demuxer?
> without looking at the code, id say AVFormatContext or

AVFormatContext won't do, since the user doesn't get a chance at
touching it before read_header() is called.

> AVFormatParameters, it depends upon where the variable is needed,
> and yes iam not happy with how parameters are passed into the
> demuxers at all

I don't quite like the idea of a struct containing a field for every
possible parameter to all the demuxers.  Some way of passing arbitrary
name/value pairs would be much nicer.

M?ns Rullg?rd
mru at inprovide.com

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