[FFmpeg-trac] #8611(undetermined:new): Transcode OUT switches to fast-forward at 35:47
FFmpeg
trac at avcodec.org
Sat Apr 11 02:42:38 EEST 2020
#8611: Transcode OUT switches to fast-forward at 35:47
-------------------------------------+-------------------------------------
Reporter: markfilipak | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
When the IN video is longer than 35:47, the OUT video switches to fast-
forward at 35:47.
SET TELECINE=telecine=pattern=5,split[A][B]
SET CFRAMES=bitor(eq(mod(n\,9)\,2)\,eq(mod(n\,9)\,7))
SET PSELECT=[A]select='not(%CFRAMES%)'[C]
SET CSELECT=[B]select='%CFRAMES%',smartblur[D]
SET INTERLEAVE=[C][D]interleave
SET ENCODE=-map 0 -c:v libx264 -crf 20 -an -sn
ffmpeg -i IN -filter_complex "%TELECINE%,%PSELECT%,%CSELECT%,%INTERLEAVE%"
%ENCODE% OUT
How to reproduce:
Run the script.
Version of ffmpeg? I don't know. Here's the output of 'ffmpeg -version'.
ffmpeg version N-94664-g0821bc4eee Copyright (c) 2000-2019 the FFmpeg
developers
built with gcc 9.1.1 (GCC) 20190807
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-
libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa
--enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx
--enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-
nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
libavutil 56. 33.100 / 56. 33.100
libavcodec 58. 55.101 / 58. 55.101
libavformat 58. 31.104 / 58. 31.104
libavdevice 58. 9.100 / 58. 9.100
libavfilter 7. 58.101 / 7. 58.101
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8611>
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