Use gstarwmr video conversion for yocto system of i.mx8m development board

iTOP-iMX8MM Provides a video conversion component ： imxvideoconvert_g2d, Enter the following command to view specific information .

gst-inspect-1.0 imxvideoconvert_g2d

It supports the following functions ：

 Video color space conversion

 Video zoom

 Video rotation

Be careful ： In video color space conversion , imxvideoconvert_g2d Only videos in other formats can be converted to RGB Video format .

1、 Video color space conversion

take gstreamer Self contained NV12 Format video source is converted to RGB16 Video format , Enter the following command ：

gst-launch-1.0 videotestsrc ! video/x-raw,format=NV12 ! imxvideoconvert_g2d ! \

video/x-raw,format=RGB16 ! waylandsink

take h264 After decoding the video , Reuse imxvideoconvert_g2d convert to RGB16 Video format , Enter the following command ：

gst-launch-1.0 filesrc location=/gstreamer/video/1080p_60fps_h264.mp4 ! qtdemux ! queue \

! h264parse ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=1920, \

height=1080 ! filesink location=H264ToRgb16_1080p.rgb16

2、 Video zoom

take gstreamer Self contained NV12 Format 1280*720 The video source of is converted to RGB16 Format 640*480 In the video , Enter the following

command ：

gst-launch-1.0 videotestsrc ! video/x-raw,format=NV12,width=1280,height=720 ! \

imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=640, height=480 ! waylandsink

3、 Video rotation

take gstreamer The built-in video source rotates 90 degree , Enter the following command ：

gst-launch-1.0 videotestsrc ! imxvideoconvert_g2d rotation=1 ! waylandsink

take gstreamer The built-in video source rotates 180 degree , Enter the following command ：

gst-launch-1.0 videotestsrc ! imxvideoconvert_g2d rotation=2 ! waylandsink

More content can be focused “ XunWei Electronics ” official account