hevc hardware accelerated encoder

Hi all,

I tried to test hevc hardware accelerated encoder, but the cpu load is too high and the gpu load is zero.

command line:

sudo ./sample_encode_drm h265 -i ~/1433759057.yuv -o ~/output.h265 -w 1920 -h 1080 -hw

hardware environment:

Intel(R) Core(TM) i7-4770R CPU @ 3.20GHz

software enviroment:

centos 7

SDK version:

MediaServerStudioProfessionalEvaluation2015R4