Fix TV range color scaling (again) #1027

Job	Run time
build_ubuntu / Build FFmpeg (focal, amd64)	1h 2m 8s
build_ubuntu / Build FFmpeg (focal, arm64)	15m 25s
build_portable_mac / Build Portable FFmpeg (macos-13, x86_64)	42m 44s
build_portable_linux / Build Portable FFmpeg (amd64)	1h 51m 22s
build_ubuntu / Build FFmpeg (focal, armhf)	14m 36s
build_debian / Build FFmpeg (bullseye, amd64)	55m 31s
build_portable_mac / Build Portable FFmpeg (macos-14, arm64)	19m 9s
build_portable_linux / Build Portable FFmpeg (arm64)	1h 43m 7s
build_debian / Build FFmpeg (bullseye, arm64)	14m 57s
build_ubuntu / Build FFmpeg (jammy, amd64)	57m 34s
build_ubuntu / Build FFmpeg (jammy, arm64)	15m 22s
build_debian / Build FFmpeg (bullseye, armhf)	14m 6s
build_portable_windows_clang / Build Portable FFmpeg (CLANG64, win64)	1h 5m 44s
build_portable_windows / Build Portable FFmpeg (win64)	37m 14s
build_ubuntu / Build FFmpeg (jammy, armhf)	13m 41s
build_debian / Build FFmpeg (bookworm, amd64)	1h 5m 8s
build_ubuntu / Build FFmpeg (noble, amd64)	1h 7m 10s
build_ubuntu / Build FFmpeg (noble, arm64)	15m 55s
build_debian / Build FFmpeg (bookworm, arm64)	15m 15s
build_ubuntu / Build FFmpeg (noble, armhf)	14m 56s
build_debian / Build FFmpeg (bookworm, armhf)	13m 31s
build_portable_windows / Publish Portable Release	0s
build_portable_mac / Publish Portable Release	0s
build_debian / Publish Release	0s
build_portable_windows_clang / Publish Portable Release	0s
build_ubuntu / Publish Release	0s
build_portable_linux / Publish Portable Release	0s
	13h 54m 35s

Provide feedback