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--- products:sbc:vim4:add-ons:new-vim4-mipi-camera [2024/08/05 08:22]
nick [Record video via gstreamer]
+++ products:sbc:vim4:add-ons:new-vim4-mipi-camera [2025/09/01 01:45] (current)
nick [Record video via gstreamer]
@@ Line 17: / Line 17: @@
 ==== Enable overlays ====
+<WRAP important >
+From version **1.7.5**, cameras are auto detected by default, no need any setup, you can just skip the overlay setup.
+</WRAP>
 If you want to use the MIPI camera, you need to enable it in [[products:sbc:vim4:configurations:device-tree-overlay|overlays]].\\
@@ Line 53: / Line 57: @@
 ```shell
-gst-launch-1.0 -e v4l2src device=/dev/media0  io-mode=mmap num-buffers=300 ! video/x-raw,format=NV21,width=1920,height=1080,framerate=30/1 ! amlvenc bitrate=8000 ! h264parse ! qtmux ! filesink location=~/test-h264.mp4
+gst-launch-1.0 -e v4l2src device=/dev/media0  io-mode=dmabuf num-buffers=300 ! video/x-raw,format=NV21,width=1920,height=1080,framerate=30/1 ! amlvenc bitrate=8000 ! h264parse ! qtmux ! filesink location=~/test-h264.mp4
 ```
@@ Line 61: / Line 65: @@
 ```shell
-gst-launch-1.0 -e v4l2src device=/dev/media0  io-mode=mmap num-buffers=300 ! video/x-raw,format=NV21,width=1920,height=1080,framerate=30/1 ! amlvenc bitrate=8000 ! h265parse ! qtmux ! filesink location=~/test-h265.mp4
+gst-launch-1.0 -e v4l2src device=/dev/media0  io-mode=dmabuf num-buffers=300 ! video/x-raw,format=NV21,width=1920,height=1080,framerate=30/1 ! amlvenc bitrate=8000 ! h265parse ! qtmux ! filesink location=~/test-h265.mp4
 ```
@@ Line 111: / Line 115: @@
 $ ffplay -f rawvideo -pixel_format nv12 -video_size 3840x2160 /tmp/dst_mif_0.yuv
 ```
+==== Preview video on ubuntu desktop ====
+<tabbox Ubuntu 24.04>
+You can use gstreamer ''waylandsink'' to preview the video on Ubuntu Wayland desktop:
+```shell
+gst-launch-1.0 v4l2src device=/dev/media0 io-mode=mmap  ! video/x-raw,format=NV12,width=3840,height=2160,framerate=30/1 ! videoconvert ! waylandsink
+```
+You can use the command below to check display fps:
+```shell
+gst-launch-1.0 -v v4l2src device=/dev/media0 io-mode=mmap ! video/x-raw,format=NV12,width=3840,height=2160,framerate=30/1 ! fpsdisplaysink video-sink=waylandsink sync=false text-overlay=false
+```
+<tabbox Ubuntu 22.04>
+You can use gstreamer ''clutterautovideosink'' to preview the video on Ubuntu Wayland desktop:
+```shell
+gst-launch-1.0 v4l2src device=/dev/media0 io-mode=mmap ! video/x-raw,format=NV12,width=3840,height=2160,framerate=30/1 ! clutterautovideosink
+```
+You can use the command below to check display fps:
+```shell
+gst-launch-1.0 -v v4l2src device=/dev/media0 io-mode=mmap ! video/x-raw,format=NV12,width=3840,height=2160,framerate=30/1 ! fpsdisplaysink video-sink=clutterautovideosink sync=false text-overlay=true
+```
+You press ''Alt + F7'' and then move mouse to move the windown.
+</tabbox>

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