>>> -r 25 on the input should not produce stutter. Did you try a command like >>> this:
>>> ffmpeg.exe -r 25 -i "sample-29.970fps.mp4" -c:v libx264 -c:a libvo_aacenc >>> -b:a 128k "OUTPUT" Yeah, I tried it. Still stutter (but not so much). Audio is totally out of sync and video is longer about 3 min ;/. What with those ffmpeg filters like pullup, fieldmatch, decimate? Should not we use them? -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Nicholas Robbins Sent: Monday, September 1, 2014 1:26 PM To: FFmpeg user questions Subject: Re: [FFmpeg-user] How to change video fps from 29.970 to 25? > On Monday, September 1, 2014 2:33 AM, Damian Głodny <[email protected]> > wrote: > >>> 1) Play the same frames slower. You can certainly do that. > >>> Putting > > I will have different clips, not only city shots etc. Solution above > is very bad, result video will stutter. -r 25 on the input should not produce stutter. Did you try a command like this: ffmpeg.exe -r 25 -i "sample-29.970fps.mp4" -c:v libx264 -c:a libvo_aacenc -b:a 128k "OUTPUT" >>> 2) Throw out information. The problem you have here is that you >>> have This would change the judder to more smaller jumps but it >>> might not be > what you want. It will also make the video interlaced. > > I tested it, here you can see output with your vf example: > ffmpeg.exe -i "sample-29.970fps.mp4" -c:v libx264 -c:a libvo_aacenc > -b:a 128k -vf fps=50,interlace "OUTPUT" > http://artnmedia.pl/damian/fps/sample-29.970fps_25fps_vf%20fps=50,inte > rlanced.mp4 > > Unfortunately output still stutter and by a interlace quality is worse. > > I am looking for better solution, cause those clips will be emited in > TV and I have to do this with ffmpeg ;/. I don't think ffmpeg currently has any other options. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
