[mythtv-users] Re: black border in ffmpeg nuvexport
david.whyte at gmail.com
Sat Jul 30 02:28:26 EDT 2005
Did you ever get the chance to look at this? I have noticed all of my
exports to DivX have this black border and Windows Media player
doesn't allow you to zoom it out of the way.
I am currenty doing an export to DVD and hope I don't have the same problem :|
On 11/20/04, Gavin Hurlbut <gjhurlbu+mythtv-users at beirdo.ca> wrote:
> Chris Petersen <lists at forevermore.net> wrote:
> >> I'm working on exporting to MPEG using ffmpeg in nuvexport, I can get it
> >> working really fast ( 70-120fps on my Sempron 2400+) but the only
> >> problem I have remaining is that despite the source and the destination
> >> being the same resolution (352x240) the resulting MPG has a black border
> >> all around it - the frame ends up being something like 340x232 or
> >> something odd like that...
> > Does your source also have this border? Most broadcasters add some sort
> > of padding to account for the tv's picture tube extending beyond the
> > border of the tv's frame. That's why I added the "crop" option on the
> > nuvexport modules that I could (the ones that use transcode).
> It's also possible that ffmpeg is padding it to maintain the aspect ratio of
> the original recording. Although, if it's seemingly padding on all sides, that
> would almost assuredly be the capture card recording the entire TV signal
> including the built-in overscan, etc.
> I may have time to look at this on the weekend, we'll have to see.
> > -Chris
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