#============ 360 video metrics reported by encoder ====================== ViewPortPSNREnable : 1 ViewPortList : 2 75.0 75.0 255 -3 75.0 75.0 75 -29 # num_of_viewports hFOV_0 vFOV_0 yaw_0 pitch_0 hFOV_1 vFOV_1 yaw_1 pitch_1 ... ViewPortWidth : 1816 # 1816 for 8K; 856 for 4K; ViewPortHeight : 1816 # 1816 for 8K; 856 for 4K;