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请教各位老师关于DM8164 HDMI与VGA同步输出的问题



本人纯菜鸟,请教各位老师,关于DM8164 HDMI与VGA同步输出的问题。现阶段,通过以下指令可以从VGA输出视频在显示器上播放。请问大家如果设置实现HDMI也同步输出视频,实现HDMI与VGA的同步播放?官网的英文说明文档实在是看不懂,劳烦各位给我指点迷津。谢谢了~!

devmem2 0x48140894 w 1
devmem2 0x48140898 w 1
devmem2 0x48140724 w 4

echo 0 > /sys/devices/platform/vpss/display3/enabled  
echo component,rgb888 > /sys/devices/platform/vpss/display3/output  
echo 1 > /sys/devices/platform/vpss/display3/enabled

gst-launch  filesrc location=/usr/share/ti/data/videos/dm816x_1080p_demo.264 ! 'video/x-h264' ! h264parse access-unit=true ! omx_h264dec framerate=24 !  gstperf ! omx_scaler ! "video/x-raw-yuv,width=1920,height=1080"  ! v4l2sink sync=false device=/dev/video2