[FFmpeg-user] Inverse Telecine (30fps to 24fps) targa sequence input

Derek Gebhart derek at 4stroke.tv
Tue Nov 20 22:50:26 CET 2012


ffmpeg -y -framerate 30 -start_number 1 -i Boxer_v5_ENG_SD30fps.%04d.tga
-filter_complex
crop=720:480:0:2,mp=detc,setpts=N/(24000/1001*TB),scale=640:480 -an
-pix_fmt:v yuv420p -r 24000/1001 -preset veryslow -vcodec libx264 -profile:v
high -crf 22 -g 15 -aspect 4:3 -t 15.0 Test.mp4


This command line option, above ("mp=detc"), stops FFMPEG from working
(crashes).

Platform: Windows 7x64
ffmpeg version N-45279-g1a104bf Copyright (c) 2000-2012 the FFmpeg
developers
  built on Oct 10 2012 19:23:23 with gcc 4.7.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-pthreads
--enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r
--enable-libass --enable-libcelt --enable-libopencore-amrnb
--enable-libopencore-amrwb --enable-libfreetype --enable-libgsm
--enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-librtmp
--enable-libschroedinger --enable-libspeex --enable-libtheora
--enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
--enable-libxvid --enable-zlib
  libavutil      51. 74.100 / 51. 74.100
  libavcodec     54. 65.100 / 54. 65.100
  libavformat    54. 31.100 / 54. 31.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 19.102 /  3. 19.102
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 16.100 /  0. 16.100
  libpostproc    52.  1.100 / 52.  1.100



Derek Gebhart
Technical Director
4stroke

488 Wellington St. W #444
Toronto, ON M5V 1E3
T 416-408-4440 x229
F 416-408-4445

www.4stroke.tv


-----Original Message-----
From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-bounces at ffmpeg.org]
On Behalf Of Carl Eugen Hoyos
Sent: November-20-12 2:41 PM
To: ffmpeg-user at ffmpeg.org
Subject: Re: [FFmpeg-user] Inverse Telecine (30fps to 24fps) targa sequence
input

Derek Gebhart <derek <at> 4stroke.tv> writes:

> FYI, the input image sequence was created by me, and has a known 
> hard-telecine 3:2 pattern.

Then mp=detc should work fine.
Ticket #681 contains a command line that I tested with material that I
telecined before with mp=telecine.

Carl Eugen

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