id,summary,reporter,owner,description,type,status,priority,component,version,resolution,keywords,cc,blockedby,blocking,reproduced,analyzed
7978,inaccurate conversion from YCbCr Narrow range to RGB Full range,cepesh,,"Summary of the bug: inaccurate conversion from YCbCr Narrow range to RGB Full range 
How to reproduce:
{{{
Command line:
""C:\\tools\\ffmpeg-4.1.3\\bin\\ffmpeg.exe"" -loglevel debug -report -s 3840x2160 -vcodec v210 -i YUV_pattern-2fr.v210 -vf ""scale=in_color_matrix=bt2020:in_range=tv"" -vframes 1 tiff_bug_00.tiff -y
ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8.3.1 (GCC) 20190414
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --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
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
}}}

100% White
Source YCbCr value = 0x03ac, 0x0200, 0x0200 (940, 512, 512)
Observed RGB value = 65283,  65283, 65283
Expected RGB value = 65535, 65535, 65535


58% White
Source YCbCr value = 0x023c, 0x0200, 0x0200 (572, 512, 512)
Observed RGB value = 37858, 37858, 37858
Expected RGB value = 38004, 38004, 38004


100% Magenta
Source YCbCr value = 0x015a, 0x343, 0x039c
Observed RGB value = 65280, 0, 65289
Expected RGB value = 65533, 0, 65535",defect,reopened,normal,undetermined,unspecified,,,,,,0,0