lör 2023-01-14 klockan 16:45 +0100 skrev Jerome Martinez: > The arbitrary short element codes are the ones used by another muxer > ( > files available at > https://www.digitizationguidelines.gov/guidelines/MXF_app_sampleFiles.html#2022 > > ) > > The support of RGBA descriptor is added, mainly by disabling in the > CDCI > descriptor related code the elements not in the Generic picture > descriptor, and could be in a separated dedicated patch (move of > Generic > picture descriptor code in a dedicated function?). > > Tested with: > ffmpeg -f lavfi -i testsrc=duration=10:size=ntsc:rate=ntsc - > field_order > bb -c:v ffv1 -level 0 test_ffv1_ntsc.mxf > ffmpeg -f lavfi -i testsrc=duration=10:size=pal:rate=pal -field_order > tt > -c:v ffv1 -level 3 test_ffv1_pal.mxf > ffmpeg -f lavfi -i testsrc=duration=10:size=1920x1080 -pix_fmt > yuv422p10 > -c:v ffv1 -level 3 test_ffv1_hd.mxf
JPEG2000 will also need an RGBA descriptor filled out, might be good to prepare for that. The ffv1 parsing code in this patch makes me nervous. Isn't the version available in metadata? > + ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8); (1LL << 32) / 20 ? /Tomas _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
