On Thu, May 29, 2025 at 9:46 AM Mark Filipak <markfilipak.i...@gmail.com> wrote:
> Oh, I should add this: When I detelecined "1492, CONQUEST OF PARADISE" via > the 'detelecine' filter I > got judder in panning shots. I got no judder via 'fieldmatch, decimate'. > Irrelevant. > > > On 29/05/2025 00.30, Alex Xu wrote: > > I tried running your exact command and got the same result. Dropped frame > > 173 and a later duplicated frame. > > > > I've attached 15 frames here of the results. > > > > > https://drive.google.com/drive/folders/139rjLqsxIuAO_3yzVNe4dD7-gI9YPRgn?usp=drive_link > > > > I've attached 5 frames each of the original input, using detelecine, and > > using fieldmatch+decimate with your command. > > Thanks for those pictures. They make this a little easier. > > First, some preparation: > > This section of detelecine is: > [Cd][Dd][Aa][Bb][Bc] -> [Cc][Dd][Aa][Bb] > > From input.mkv: > Frame 215 @ 7.174 =input-0001.png [Cd] > Frame 216 @ 7.207 =input-0002.png [Dd] > Frame 217 @ 7.241 =input-0003.png [Aa] > Frame 218 @ 7.274 =input-0004.png [Bb] > Frame 219 @ 7.307 =input-0005.png [Bc] > > Now, the results: > > ffmpeg^ > -i input.mkv^ > -vf fieldmatch,decimate^ > -c:a aac^ > -c:v libx264^ > output.mkv > > Honestly, from the command line above, I'm getting > exactly what you got using 'detelecine'. Look: > > Frame 172 @ 7.174 =detelecine1.png [Cc] > Frame 173 @ 7.215 =detelecine2.png [Dd] > Frame 174 @ 7.257 =detelecine3.png [Aa] > Frame 175 @ 7.299 =detelecine4.png [Bb] > > No missing frame, no repeated frame. > > I have no idea why your FFmpeg is different. > > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
