[vlc-devel] mpeg2 video encoding

Anton Kapela tkapela at gmail.com
Thu Nov 13 17:35:31 CET 2008


On Thu, Nov 13, 2008 at 12:53 AM, Roman Pen <r.peniaev at gmail.com> wrote:
> Rémi Denis-Courmont wrote:

[snip]

>> Which resolution do you use? I recall a patch for ffmpeg MPEG2 encoding at
>> high resolution a few days ago. But I don't think anybody competent (like NOT
>> me) reviewed it, lest not say apply it. And I cannot even find it anymore.
>
>
> seems to me this was my patch with subj:
> '[PATCH] Fix wrong initialization of 'mp2v' encoder profile. '
>
> "cannot find video encoder" - and this is the problem which was solved
> with correct initialization of encoder level and profile.
> bug appears for high resolution. (w >= 720 or h >= 576)

Yes, I narrowed mp2v inititialization problems down to exactly that
resolution thoug trial/error yesterday shortly after replying to the
vlc-devel.

My source is 1440x1088 (multiples of 16...not perfect 1080...you'll
have to deal with broadcast, sorry), 29.970 fps (60i), aka "HDV" for
consumer/prosumer broadcast cameras. A sample of the video I'm working
with is here:

df pointed out the news post you made,
http://article.gmane.org/gmane.comp.video.videolan.vlc.devel/50997 ..
I see what's up now :)

/me waits for a commit ;-)

-Tk



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