[Ffmpeg-devel] HDTV h264 autodetection
Måns Rullgård
mru
Sat Nov 4 19:04:20 CET 2006
matthieu castet <castet.matthieu at free.fr> writes:
> M?ns Rullg?rd wrote:
>> matthieu castet <castet.matthieu at free.fr> writes:
>>>Is there another tool to dump the stream with PMT .
>> Tuning with tzap, then cat /dev/dvb/adapter0/dvr0 might work.
>>
> Thanks, it was a bit more complex than that (I have to tell dvb core
> that I want all the stream on dvr0).
>
> IIUC dvb tools are not ready for hdtv : instead of using PMT, they
> read PMT once and store pids for a channel in categories (video,
> audio, ac3, ...), so they assume video = mpeg2.
This has nothing to do with HD or not. A transport stream without PMT
is *invalid*, and anything that creates such things is broken. The
tools in question were always broken, but it has become more apparent
with HDTV as H.264 is commonly used there.
--
M?ns Rullg?rd
mru at inprovide.com
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