On Mon, Nov 25, 2024 at 6:27 PM Terje J. Hanssen <[email protected]> wrote: > > > Den 25.11.2024 11:20, skrev Mat: > > On Sun, 24 Nov 2024 23:11:07 +0100 > > "Terje J. Hanssen via Cin" <[email protected]> wrote: > > > >> Den 24.11.2024 22:22, skrev Andrew Randrianasulu: > >>> > >>> вс, 24 нояб. 2024 г., 19:45 Terje J. Hanssen > >>> <[email protected]>: > > <snip> > >>> I can't notice differences at playback with VLC and FFplay > >>> (other than 16:9 vs 4:3 format as usual). And both visually with > >>> good qualities in my eyes. > >>> > >>> Cingg Set Format Interlace Mode: Not interlaced > >>> did the trick and both hdv and hd could be rendered > >>> FFprobe reported it is pgogressiv, while native FFmpeg > >>> transcoding still say interlaced. > >>> > >>> > >>> > >>> But do files rendered by cingg set to progressive and ffmpeg from > >>> same tff source differ visually? > >> No. It is easy to see during VLC playback that neither av1_qsv from > >> Cin/ffmpeg is progressive, but rather interlaced: > >> Pause during horizontal movements (camcorder panning) shows > >> interlaced vertical edges. Then shortcut "D" on this still image > >> swithch it to deinterlaced and smoother edges. This is on a computer > >> LCD monitor. > > > > I've have that problem as well, converting old VHS videos in PAL format > > to MP4 format. My solution is to use ffmpeg before editing in CinGG, > > using a de-interlace filter, as follows: > > > > ffmpeg -i inputvideo -vf bwdif outputvideo.mp4 > > > > Using mp4 as output format also reduces the original mpeg file to half > > the size. Instead of the -vf bwdif you can use the -vf yadif > > filter, but bwdif gave slightly better results for my videos. > > > > MatN > > For end-user formats like AV1 and HEVC etc. I don't think interlaced > video is an issue as mediaplayers handle it simply. > What I don't understand is why my system ffmpeg 7.1 is capable to > transcode tff interlaced input video to av1_qsv, while Cingg's internal > ffmpeg 7.0 error out due to unsupported pixel structure. May something > have changed here between ffmpeg 7.0 and 7.1?
ffmpeg by default does not add +ildct flag, we do (if input is interlaced) > > > > -- Cin mailing list [email protected] https://lists.cinelerra-gg.org/mailman/listinfo/cin
