The gpu can not work at full power, causing the h265 encoding speed to reduce, must start a player to let the graphics card power >100w, how to let the gpu always maintain the performance;
显卡不能满功率工作,造成h265编码速度降低，必须启动一个播放器让显卡功率>100w，如何让显卡始终保持性能；
