[FFmpeg-user] FFMPEG processing time

[Dzung Nguyen]

On Fri, Aug 23, 2013 at 4:27 PM, Paul B Mahol <onemda at gmail.com> wrote:

> On 8/23/13, Dzung Nguyen <dzungng89 at gmail.com> wrote:
> > I have the following script, I have run it for a day but still doesn't
> > finish. The goal is a one hour video
> >
> > 1) Images --> videos:
> >
> > ffmpeg -loop 1 -r 1 image.png -r 29.97 video1.mpg
>
> This will never finish.
>
> >
> > 2) Concatenate allsubvideos:
> >
> > cat *.mpg >concat.mpg
> >
> > 3) Overlay with another video:
> >
> > ffmpeg -i concat.mpg -i input2.webm"\
> >                                     " -filter_complex
> > \"color=c=black:size=1280x720 [base];"\
> >                                     " [0:v] setpts=PTS-STARTPTS,
> > scale=#{size_slide} [left];"\
> >                                     " [1:v] setpts=PTS-STARTPTS,
> > scale=#{size_webcam} [right];"\
> >                                     " [base][left]
> > overlay=shortest=1:x=0:y=39[tmp1];"\
> >                                     " [tmp1][right]
> > overlay=shortest=1:x=856:y=402\" -q:v 0 overlay.mpg")
> >
> > This seems unable to finish even if I let it run for a day. What settings
> > should I change?
> > _______________________________________________
> > ffmpeg-user mailing list
> > ffmpeg-user at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>


Sorry I miss out, there's a -t #{time} options there. Time is a variable.