[Ffmpeg-devel] HDTV h264 autodetection
matthieu castet
castet.matthieu
Sat Nov 4 21:32:00 CET 2006
M?ns Rullg?rd wrote:
> matthieu castet <castet.matthieu at free.fr> writes:
>
>
> The PMT PID is specified in the PAT. A properly written app would
> begin with requesting the PAT only, parse that and request the PMT PID
> from the DVB device, and finally request the audio/video PIDs listed
> in the PMT. There is of course nothing wrong with caching the PIDs to
> save some time.
>
Yes, but the app shouldn't request all the pids, only the ones that the
user want : on some devices, the bandwidth is limited.
For USB1.0 only PAT/PMT and a video and an audio pids should be selected
in order to avoid corruption of the stream on the usb bus.
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