On Sun, Jan 3, 2021 at 9:25 PM Mark Filipak (ffmpeg) <markfili...@bog.us> wrote:
> On 01/03/2021 10:24 AM, Paul B Mahol wrote: > > On Sun, Jan 3, 2021 at 11:45 AM Mark Filipak (ffmpeg) < > markfili...@bog.us> > > wrote: > > > >> Version N-100546-g2c6f532e0a (latest git build) > >> > >> Summary of the bug: > >> tinterlace works but sets SAR & DAR to bogus values. > >> > >> The package is here: > >> https://www.dropbox.com/t/0WABzvetTF1eT7E4 > >> > >> Everything needed to reproduce and source video and my result and log > are > >> in the package. > >> > >> > > The change of sar is intended behavior. > > Okay. > Given this: > ffmpeg -report -i source.mkv -vf "tinterlace=mode=merge" -c:a copy -c:s > copy -dn tinterlace.mkv > where source.mpv is this: > "Input #0, matroska,webm, from 'source.mkv': > " Metadata: > " ENCODER : Lavf58.65.100 > " Duration: 00:00:01.00, start: 0.000000, bitrate: 857 kb/s > " Stream #0:0, 4, 1/1000: Video: h264 (High), yuv420p(tv, smpte170m, > progressive), 720x240 [SAR > 8:9 DAR 8:3], 59.94 fps, 59.94 tbr, 1k tbn, 119.88 tbc (default)" > > tinterlace.mkv should be this: 720x480 [SAR 8:9 DAR 4:3] > but instead is this: > "Output #0, matroska, to 'tinterlace.mkv': > " Metadata: > " encoder : Lavf58.65.100 > " Stream #0:0, 0, 1/1000: Video: h264 (H264 / 0x34363248), yuv420p(tv, > smpte170m, top coded first > (swapped)), 720x480 [SAR 16:9 DAR 8:3], q=2-31, 29.97 fps, 1k tbn > (default)" > > The discrepancy appears to be causing problems with succeeding filters: > "[Parsed_interleave_7 @ 00000170340dc000] Parameters for input link input1 > (size 720x480, SAR 16:9) > do not match the corresponding output link parameters (720x240, SAR 8:9) > "[Parsed_interleave_7 @ 00000170340dc000] Failed to configure output pad > on Parsed_interleave_7 > "Error reinitializing filters! > "Failed to inject frame into filter network: Invalid argument > "Error while processing the decoded data for stream #0:0 > "Conversion failed!" > > The succeeding filters are shuffleframes, split, select, tinterlace, > bwdif, decimate, interleave, > tinterlace, and bwdif. The problem appears to be provoked by interleave. > What's wrong with using setsar filter after tinterlace? > > I promise to follow this message with the full command line and full > report if you promise not to > ask me why I'm doing such seemingly crazy processing. :-) > > Honestly, I'm not trying to be coy. I'm simply trying to keep this > use-case simple and prevent this > thread from getting off topic. The problem appears to be with tinterlace's > SAR. > > Regards, > Mark. > _______________________________________________ > 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".