assign functions for h264 encoders, indent #128

Job	Run time
cppcheck	5m 25s
code formatting check	35s
min features with gcc	2m 56s
min features with g++	2m 47s
min features with clang	2m 6s
max features with gcc	4m 29s
max features with g++	2m 10s
max features with clang	4m 10s
max features with clang and AddressSanitized	3m 30s
max features with gcc and DEBUG	39m 7s
max features with gcc for 32-bit arch (legacy OS)	2m 7s
max features with g++ for 32-bit arch (legacy OS)	1m 48s
max features with clang for 32-bit arch (legacy OS)	1m 47s
	1h 12m 57s

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