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

Måns Rullgård mru
Thu Jun 9 10:38:05 CEST 2005

Sergio Garcia Murillo <sgm254 at tid.es> writes:

>> I've been using libavformat/codec in an application in the 
>> works for some time now, and one of the quirks I have come 
>> across is that the mpegts format reader is searching across 
>> WAY too many packets (MAX_SCAN_PACKETS) for a dvb specific 
>> service description table. This table is not required in the 
>> mpeg ts format, and is wrecking havock on my application when 
>> trying to tune a radio service without this service table. As 
>> a temporary workaround I've disabled the scan for sdt in 
>> mpegts_read_header. Without this workaround, the live stream 
>> that is to be decoded is delayed anywhere from 5-10 seconds 
>> before packets starts to arrive for decoding..
> I have the same problem, i was decoding an mpeg2 ts encoded 
> with AVS at 200kbs and it never got played until i removed the
> handle_packets call. Don't know if there is a better way of 
> resolving the problem or not.

If nobody objects soon I'll just go ahead and remove the SDT parsing,
or at least make the search a bit less annoying.

M?ns Rullg?rd
mru at inprovide.com

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