On 4/27/20, Mark Filipak <markfilipak.windows+ffm...@gmail.com> wrote: > 55-Telecine for Blu-ray Movies. > > 55-Telecine works wonderfully for transcoding M2TS movies (for superior > display on 60Hz TVs) > provided that the M2TS streams don't have subtitles and/or are short. I > reckon that the limitations > are due to mishandling of subtitle time stamps by the 'interleave' filter -- > I remember reading that > subtitle packets can span GOPs, and 'interleave' may be assigning bogus PTSs > to fragments. The issue > is under investigation (https://trac.ffmpeg.org/ticket/8626 -- the ticket's > title, "pp=linblenddeint > failure", is stale and no longer applies). The 'interleave' problem prevents > me putting 55-telecine > into general use for Blu-ray movies. > > New Information: > > As an experiment, to bypass the problem in > https://trac.ffmpeg.org/ticket/8626, I tested whether > extracting subtitles separately and then merging them back in would > replicate the problem or do > something different. It did something different. > > Step 1: Transcode to 2001av.MKV. > Step 2: Extract subtitles to 2001s.MKV. > Step 3: Merge 2001s.MKV & 2001av.MKV to 2001.MKV. > Step 4: Merge 2001s.MKV & 2001av.MKV to 2001.MKVToolNix.MKV via MKVToolNix. > > Step 3 did bypass the https://trac.ffmpeg.org/ticket/8626 problem (which I > will report to the trac > system). however, it did not entirely succeed. Any suggestions regarding the > procedure below would > be very welcome. > > Regards, > Mark. > > > Step 1: Transcode to 2001av.MKV. > ffmpeg -report -ss 2:57 -analyzeduration 5000000000 -probesize 5000000000 -i > "G:\BDMV\STREAM\00000.m2ts" -filter_complex > "telecine=pattern=5,split[A][B],[A]select='not(eq(mod((n+1)\,5)\,3))'[C],[B]select='eq(mod((n+1)\,5)\,3)',pp=linblenddeint[D],[C][D]interleave" > -map 0 -codec:v libx264 -crf 20 -codec:a copy -codec:a:1 pcm_s16be -sn -dn > "2001av.MKV" > > 1 video stream > 8 audio streams > 349 instances of "[mpegts @ 000001e0e4df0080] DTS discontinuity in stream > xx: packet xxx with DTS > xxxxxxxx, packet 5 with DTS xxxxxxxx" > > > Step 2: Extract subtitles to 2001s.MKV. > ffmpeg -report -ss 2:57 -analyzeduration 5000000000 -probesize 5000000000 -i > "G:\BDMV\STREAM\00000.m2ts" -map 0 -vn -an -codec:s copy -dn "2001s.MKV" > > 18 subtitle streams > 349 instances of "[mpegts @ 000001e0e4df0080] DTS discontinuity in stream > xx: packet xxx with DTS > xxxxxxxx, packet 5 with DTS xxxxxxxx" > > > Step 3: Merge 2001s.MKV & 2001av.MKV to 2001.MKV. > ffmpeg -report -analyzeduration 5000000000 -probesize 5000000000 -i > 2001av.MKV -i 2001s.MKV -map 0 > -codec:v copy -codec:a copy -map 1:s -codec:s copy 2001.2.MKV > > Subtitles lead audio by 1:14. > > > Step 4: Merge 2001s.MKV & 2001av.MKV to 2001.MKVToolNix.MKV via MKVToolNix. > > No errors or warnings. > Subtitles & audio are in sync. > _______________________________________________ > 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"
You are creating 60 fps video by basically blending lines from combed frames. That is absolutely stupidest thing ever. _______________________________________________ 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".
