Cope with broken OpenH264 encoder #2370

Job	Run time
cppcheck	5m 18s
code formatting check	1m 41s
min features with gcc	2m 35s
min features with g++	3m 0s
min features with clang	3m 58s
max features with gcc	4m 37s
max features with g++	3m 34s
max features with clang	5m 39s
max features with clang and AddressSanitized	5m 59s
max features with gcc and DEBUG	4m 34s
max features with gcc for 32-bit arch (legacy OS)	1m 43s
max features with g++ for 32-bit arch (legacy OS)	4m 44s
max features with clang for 32-bit arch (legacy OS)	2m 26s
	49m 48s

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