I think you need to add -target pal-dv to the last step, so ffmpeg -i ProblemFileAudio.wav -i Merged\ProblemFileFixed_%05d.png -vf tinterlace=0 -aspect 4/3 -target pal-dv ProblemFileFixed.dv
On Wed, Jan 15, 2020 at 12:43 PM Thomas Mechau <thomasmec...@compuserve.com> wrote: > Hello, > > I have kind of a legacy problem: > > Several years ago I had some Super 8 cine material transferred > professionally to miniDV cassettes. I then imported that DV video as > native PAL DV AVI files, i.e. 50i video with a resolution of 720x576 > (non-square) pixels. > > Since one section of the footage contained a lot of critical dust > specks, I needed to remove them by retouching picture by picture. The > stills exported from Premiere PRO are de-interlaced (as is the Premiere > single-frame preview), but often the dust specks affect two fields on > adjacent frames, so even if the problem seems fixed in the preview after > importing a retouched still, it is nevertheless visible during playback > when that field which was hidden by the deinterlacing becomes part of > the interlaced stream again. > > Therefore I tried to find a way to extract the individual fields and > retouch them. > > The following two ffmpeg commands did the trick: > > ffmpeg -i ProblemFile.avi -vf field=top Top\ProblemFile_%05d.png > ProblemFileAudio.wav > ffmpeg -i ProblemFile.avi -vf field=bottom Bottom\ProblemFile_%05d.png > > This creates one audio file and two sets of sequentially numbered PNG > images in the folders Top and Bottom. I can then use Advanced Renamer to > adapt the start numbers and the number step of the two sets (00000, > 00002, 00004, ...; 00001, 00003, 00005, ...) so that a new folder Merged > contains one sinlge set of contiguously numbered images, which are 288 > pixels high and represent the individual fields of the DV frames, i.e. > have half the frame rate of the original video. > > I can then load the required frames into an image editor like Photoshop > to retouch the dust specks (a tedious job). > > So far, so good. My problem is now that the set of updated PNG images > needs to be converted back to an interlaced AVI video file. > > After much research and experimentation I found that the following > command delivers a useable video file(50i plus sound): > > ffmpeg -i ProblemFileAudio.wav -i Merged\ProblemFileFixed_%05d.png -vf > tinterlace=0 -aspect 4/3 ProblemFileFixed.dv > > However, the result is a QuickTime file, and I need a DV-PAL AVI file > for my workflow. > > Any ideas how this can be achieved, possibly in just one step? > > Many Thanks! > > Thomas > > _______________________________________________ > ffmpeg-user mailing list > firstname.lastname@example.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 email@example.com https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".