[Ffmpeg-devel] Sample Aspect Ratio & Pan&Scan

[Måns Rullgård]

Nico Sabbi <nicola_sabbi at fastwebnet.it> writes:

> Nico Sabbi wrote:
>
>> it's something that left me some doubts, too.  If pan&scan is
>> supposed to work with the intervention of the player (by means of
>> cropping) shouldn't lavf export both the original par(without
>> keeping into account the pan&scan) in
>> AVCodecContext->sample_aspect_ratio and {width, height,
>> pan_scan_par} in AVPanScan?
>
> I forgot to add that recently I've seen a huge amount of dvds (more
> than 1 out of 2) played distorted by lavc because of this pan&scan
> thingy

I have a DVD that lies about the aspect ratio.  The IFO files say it
is 16/9, and the MPEG2 sequence header says 4/3.  Watching the video,
it is clear that 16/9 is correct.

Could you please upload a few samples from the DVDs you mention?  I'd
like to have a look at them.

-- 
M?ns Rullg?rd
mru at inprovide.com