使用示例 mpv_vdpau_demo ./mpv_vdpau_demo test.h264 ouput.yuv 1280 720 0 aaa.rgb32 32 32 libavg_vdpau_demo ./libavg_vdpau_demo test.h264 output.yuv 博客地址 H3 VDI终端预研总结