Set different frame capture interval for H.264 and RFX #2222

Job	Run time
cppcheck	4m 19s
code formatting check	39s
min features with gcc	2m 51s
min features with g++	3m 17s
min features with clang	2m 40s
max features with gcc	4m 15s
max features with g++	3m 7s
max features with clang	3m 40s
max features with clang and AddressSanitized	4m 3s
max features with gcc and DEBUG	2m 33s
max features with gcc for 32-bit arch (legacy OS)	2m 0s
max features with g++ for 32-bit arch (legacy OS)	2m 2s
max features with clang for 32-bit arch (legacy OS)	2m 23s
	37m 49s

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