[v0.10] H264 cherry picks #2152

Job	Run time
code formatting check	15s
cppcheck	18m 10s
min features with gcc	2m 15s
min features with g++	2m 24s
min features with clang	2m 56s
max features with gcc	3m 46s
max features with g++	2m 51s
max features with clang	3m 39s
max features with gcc and DEBUG	2m 29s
max features with gcc for 32-bit arch (legacy OS)	1m 34s
max features with g++ for 32-bit arch (legacy OS)	1m 45s
max features with clang for 32-bit arch (legacy OS)	2m 6s
	44m 10s

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