nvenc multimon working #124

Job	Run time
code formatting check	28s
cppcheck	19m 37s
min features with gcc	2m 21s
min features with g++	2m 57s
min features with clang	2m 57s
max features with gcc	2m 45s
max features with g++	2m 46s
max features with clang	3m 27s
max features with clang and AddressSanitized	2m 49s
max features with gcc and DEBUG	2m 43s
max features with gcc for 32-bit arch (legacy OS)	1m 28s
max features with g++ for 32-bit arch (legacy OS)	2m 16s
max features with clang for 32-bit arch (legacy OS)	1m 32s
	48m 6s

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