[Ffmpeg-devel] Mpeg2-ts encoder uses fixed PES payload size

Måns Rullgård mans
Fri Mar 2 22:49:27 CET 2007


Luca Abeni <lucabe72 at email.it> writes:

> Hi all,
>
> while looking at the TS muxer...
> On Mon, 2007-02-26 at 16:04 +0000, Kling, Fredrik wrote:
> [...]
>> - the SDT packet frequence seems quite flawed (adding an SDT packet
>> every second packet!), causing the TS to grow up to 64% bigger than the
>> actual ES it encapsulates...
> I did not check the SDT frequency, but... Why is the SDT generated at
> all? It should be at least optional...

I agree.  SDT is not part of the ISO spec.  I guess whoever wrote the
FFmpeg TS code was in a DVB mindset at the time.

-- 
M?ns Rullg?rd
mans at mansr.com




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