Add DOVI descriptor support in mpegtsenc #771

Job	Run time
build_ubuntu / Build FFmpeg (focal, amd64)	58m 7s
build_ubuntu / Build FFmpeg (focal, arm64)	15m 9s
build_ubuntu / Build FFmpeg (focal, armhf)	13m 19s
build_ubuntu / Build FFmpeg (jammy, amd64)	53m 24s
build_portable_mac / Build Portable FFmpeg (macos-12, x86_64)	56m 0s
build_ubuntu / Build FFmpeg (jammy, arm64)	15m 38s
build_portable_mac / Build Portable FFmpeg (macos-14, arm64)	22m 46s
build_debian / Build FFmpeg (buster, amd64)	56m 22s
build_ubuntu / Build FFmpeg (jammy, armhf)	14m 5s
build_portable_linux / Build Portable FFmpeg (amd64)	1h 42m 25s
build_debian / Build FFmpeg (buster, arm64)	19m 13s
build_ubuntu / Build FFmpeg (noble, amd64)	1h 1m 11s
build_portable_linux / Build Portable FFmpeg (arm64)	1h 35m 11s
build_debian / Build FFmpeg (buster, armhf)	16m 47s
build_debian / Build FFmpeg (bullseye, amd64)	50m 23s
build_ubuntu / Build FFmpeg (noble, arm64)	15m 51s
build_debian / Build FFmpeg (bullseye, arm64)	14m 42s
build_ubuntu / Build FFmpeg (noble, armhf)	14m 45s
build_debian / Build FFmpeg (bullseye, armhf)	13m 58s
build_portable_windows / Build Portable FFmpeg (win64)	37m 48s
build_debian / Build FFmpeg (bookworm, amd64)	59m 32s
build_debian / Build FFmpeg (bookworm, arm64)	14m 39s
build_debian / Build FFmpeg (bookworm, armhf)	13m 54s
build_portable_windows / Publish Portable Release	0s
build_portable_mac / Publish Portable Release	0s
build_ubuntu / Publish Release	0s
build_debian / Publish Release	0s
build_portable_linux / Publish Portable Release	0s
	13h 55m 9s

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