[FFmpeg-trac] #6734(avfilter:new): vidstabtransform bicubic interpolation issue
FFmpeg
trac at avcodec.org
Sun Oct 15 11:12:12 EEST 2017
#6734: vidstabtransform bicubic interpolation issue
-------------------------------------+-------------------------------------
Reporter: oregszun | Type: defect
Status: new | Priority: normal
Component: avfilter | Version: git-
Keywords: libvidstab | master
bicubic | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
Using vidstabtransform with '''bicubic''' interpolation causes white
atrtefacts on low exposure pixels. (no, linear, bilinear interpolation
works well!)
How to reproduce:
{{{
$ ffmpeg -y -i ./VI000290.mp4 -vf
vidstabtransform=optalgo=gauss:maxangle=0.12566370614:interpol=bicubic:maxshift=54:smoothing=30:optzoom=0:zoom=0:input=./VI000290-stab.trf:crop=keep,pp=al:f
-vcodec utvideo ./VI000290-stab.avi
ffmpeg version N-87306-g6743351 Copyright (c) 2000-2017 the FFmpeg
developers
built with gcc 7.2.0 (GCC)
configuration: --disable-static --enable-shared --enable-gpl --enable-
version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2
--enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-
fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-
librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-
libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
--enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib
libavutil 55. 75.100 / 55. 75.100
libavcodec 57.106.101 / 57.106.101
libavformat 57. 82.100 / 57. 82.100
libavdevice 57. 8.101 / 57. 8.101
libavfilter 6.105.100 / 6.105.100
libswscale 4. 7.103 / 4. 7.103
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6734>
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