[FFmpeg-trac] #8626(avfilter:reopened): pp=linblenddeint failure
FFmpeg
trac at avcodec.org
Sun Apr 26 12:22:51 EEST 2020
#8626: pp=linblenddeint failure
-------------------------------------+------------------------------------
Reporter: markfilipak | Owner:
Type: defect | Status: reopened
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by markfilipak):
IT'S THE SUBTITLES! The subtitle packets are screwing up 'interleave' (I
think) -- look at the number of frames.
Replicating the problem:
Take the '00001.018.m2ts' that I uploaded (as parts) to
https://streams.videolan.org/upload/ (ref: ticket 8626). Rename it
'Patton_18m35s.m2ts'.
Run:
ffmpeg -report -ss 0:00 -analyzeduration 5000000000 -probesize 5000000000
-i "Patton_18m35s.m2ts" -filter_complex
"telecine=pattern=5,split=5[A][B][C][D][E],[A]select='eq(mod((n+1)\,5)\,1)'[F],[B]select='eq(mod((n+1)\,5)\,2)'[G],[C]select='eq(mod((n+1)\,5)\,3)'[H],[D]select='eq(mod((n+1)\,5)\,4)'[I],[E]select='eq(mod((n+1)\,5)\,0)'[J],[F][G][H][I][J]interleave=nb_inputs=5"
-map 0 -codec:v libx264 -crf 50 -codec:a copy -codec:s copy -dn
"Patton_18m35s.1.MKV"
-- 58836 frames (58836 = 66851*0.8801065 ?)
-- video freezes at 3:24, audio dies when seeking
Sanity checks:
ffmpeg -report -ss 0:00 -analyzeduration 5000000000 -probesize 5000000000
-i "Patton_18m35s.m2ts" -filter_complex
"telecine=pattern=5,split=5[A][B][C][D][E],[A]select='eq(mod((n+1)\,5)\,1)'[F],[B]select='eq(mod((n+1)\,5)\,2)'[G],[C]select='eq(mod((n+1)\,5)\,3)'[H],[D]select='eq(mod((n+1)\,5)\,4)'[I],[E]select='eq(mod((n+1)\,5)\,0)'[J],[F][G][H][I][J]interleave=nb_inputs=5"
-map 0 -codec:v libx264 -crf 50 -codec:a copy -sn -dn
"Patton_18m35s.1.MKV"
-- 66851 frames (66851 = int(26741*2.5)-1)
-- plays fine
ffmpeg -report -ss 0:00 -analyzeduration 5000000000 -probesize 5000000000
-i "Patton_18m35s.m2ts" -map 0 -codec:v libx264 -crf 50 -codec:a copy
-codec:s copy -dn "Patton_18m35s.1.MKV"
-- 26741 frames
-- plays fine
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8626#comment:53>
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