Difference between revisions of "AFE-R761 GMSL & AHD"
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[[File:AFE-R761 AHD Number.png]] | [[File:AFE-R761 AHD Number.png]] | ||
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== '''SW Function''' == | == '''SW Function''' == | ||
| + | |||
| + | === '''View Resolution''' === | ||
| + | |||
| + | Taking port 0 as an example, you can enter the following instructions to view information such as the resolution, pixel format, Field, Number of planes, Flags, Colorspace,<br/> Transfer Function, YCbCr/HSV Encoding, Quantization, Bytes per Line and Size Image. | ||
| + | <pre># v4l2-ctl -d /dev/video0 --get-fmt-video | ||
| + | Format Video Capture Multiplanar: | ||
| + | Width/Height : 1920/1080 | ||
| + | Pixel Format : 'NV12' (Y/UV 4:2:0) | ||
| + | Field : None | ||
| + | Number of planes : 1 | ||
| + | Flags : | ||
| + | Colorspace : Rec. 709 | ||
| + | Transfer Function : Rec. 709 | ||
| + | YCbCr/HSV Encoding: Rec. 709 | ||
| + | Quantization : Default | ||
| + | Plane 0 : | ||
| + | Bytes per Line : 1920 | ||
| + | Size Image : 3110400</pre> | ||
| + | |||
| + | === '''Set Resolution''' === | ||
| + | |||
| + | Taking port 0 as an example, you can enter the following commands to set the resolution to 1920*1080. | ||
| + | <pre># v4l2-ctl -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat='NV12'</pre> | ||
| + | |||
| + | === '''Preview camera''' === | ||
| + | |||
| + | Taking port 0 as an example, you can set the preview of the camera video by using the following command. | ||
| + | <pre># export DISPLAY=:0.0 | ||
| + | # export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib/aarch64-linux-gnu/ | ||
| + | gstreamer-1.0 | ||
| + | #gst-launch-1.0 v4l2src device=/dev/video0 \ | ||
| + | ! video/x-raw,format=NV12,width=1920,height=1080,framerate=30/1 ! xvimage�sink</pre> | ||
| + | |||
| + | === '''Camera photography''' === | ||
| + | |||
| + | Taking port 0 as an example, the following command can be used to take a camera photo, and the save address is picture.jpg in the current directory. | ||
| + | <pre># gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=10 \ | ||
| + | ! video/x-raw,format=NV12,width=1920,height=1080 ! jpegenc \ | ||
| + | ! multifilesink location=picture_%02d.jpg && \ | ||
| + | rm picture_0{0..8}.jpg && mv picture_09.jpg picture.jpg</pre> | ||
| + | |||
| + | === '''Camera screen recording''' === | ||
| + | |||
| + | Taking port 0 as an example, the following command can be used to record videos with the camera, and the save address is video.mp4 in the current directory. | ||
| + | <pre># gst-launch-1.0 -e \ | ||
| + | v4l2src device=/dev/video0 \ | ||
| + | ! video/x-raw,format=NV12,width=1920,height=1080,framerate=25/1 \ | ||
| + | ! videoconvert \ | ||
| + | ! x264enc bitrate=5000 speed-preset=ultrafast tune=zerolatency \ | ||
| + | ! h264parse \ | ||
| + | ! mp4mux \ | ||
| + | ! filesink location= video.mp4</pre> | ||
| | ||
Revision as of 05:03, 16 January 2026
Contents
GMSL
AFE-R761-UxC1 can support 4 ~ 6 GMSL Cameras via AFE-RM02-xPA1 expansion board. The default supported resolution is 1920 x 1080 @ 30fps.
Please note that the supported voltage is 12V.
Hardware pin definition：
| GMSL：GMSL Camera Connector | |
| Pin | Pin Name |
| 1 | GMSL_IN_P (12V) |
| 2 | GND |
| 3 | GND |
| 4 | GND |
| 5 | GND |
SW Number
AHD
AFE-R761-UxB1 can support 4 ~ 6 AHD Cameras via AFE-RM01 expansion board. The default supported resolution is 1920 x 1080 @ 30fps.
Please note that the supported voltage/current is 12V/200mA.
Hardware pin definition：
| AHD：AHD Camera Connector | |
| Pin | Pin Name |
| 1 | AHD_GND |
| 2 | AHD_VIN |
| 3 | 12V |
| 4 | GND |
SW Number：
SW Function
View Resolution
Taking port 0 as an example, you can enter the following instructions to view information such as the resolution, pixel format, Field, Number of planes, Flags, Colorspace,
Transfer Function, YCbCr/HSV Encoding, Quantization, Bytes per Line and Size Image.
# v4l2-ctl -d /dev/video0 --get-fmt-video Format Video Capture Multiplanar: Width/Height : 1920/1080 Pixel Format : 'NV12' (Y/UV 4:2:0) Field : None Number of planes : 1 Flags : Colorspace : Rec. 709 Transfer Function : Rec. 709 YCbCr/HSV Encoding: Rec. 709 Quantization : Default Plane 0 : Bytes per Line : 1920 Size Image : 3110400
Set Resolution
Taking port 0 as an example, you can enter the following commands to set the resolution to 1920*1080.
# v4l2-ctl -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat='NV12'
Preview camera
Taking port 0 as an example, you can set the preview of the camera video by using the following command.
# export DISPLAY=:0.0 # export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib/aarch64-linux-gnu/ gstreamer-1.0 #gst-launch-1.0 v4l2src device=/dev/video0 \ ! video/x-raw,format=NV12,width=1920,height=1080,framerate=30/1 ! xvimage�sink
Camera photography
Taking port 0 as an example, the following command can be used to take a camera photo, and the save address is picture.jpg in the current directory.
# gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=10 \
! video/x-raw,format=NV12,width=1920,height=1080 ! jpegenc \
! multifilesink location=picture_%02d.jpg && \
rm picture_0{0..8}.jpg && mv picture_09.jpg picture.jpg
Camera screen recording
Taking port 0 as an example, the following command can be used to record videos with the camera, and the save address is video.mp4 in the current directory.
# gst-launch-1.0 -e \ v4l2src device=/dev/video0 \ ! video/x-raw,format=NV12,width=1920,height=1080,framerate=25/1 \ ! videoconvert \ ! x264enc bitrate=5000 speed-preset=ultrafast tune=zerolatency \ ! h264parse \ ! mp4mux \ ! filesink location= video.mp4