[2561aea6] ffmpeg: fix flipped frame to avframe #1559

Job	Run time
Android (MinSizeRel)	8m 26s
abi	7s
ClangCL (windows-desktop, MinSizeRel)	11m 29s
iOS (iOS, MinSizeRel)	2m 54s
iOS (iOS, MinSizeRel, Simulator)	8m 59s
Linux (MinSizeRel)	10m 49s
macOS (MinSizeRel, x86_64)	3m 37s
iOS (tvOS, MinSizeRel)	3m 5s
UWP (RelWithDebInfo)	6m 54s
macOS (MinSizeRel, arm64)	3m 1s
iOS (tvOS, MinSizeRel, Simulator)	3m 55s
iOS (visionOS, MinSizeRel)	2m 22s
Win64_SRC	0s
iOS (visionOS, MinSizeRel, Simulator)	2m 20s
Windows (RelWithDebInfo)	13m 4s
iOS (macCatalyst, MinSizeRel)	3m 10s
Windows_LTL (RelWithDebInfo)	9m 29s
Apple	5m 28s
NuGet	48s
Dispatch	3s
	1h 40m 0s

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