差别

这里会显示出您选择的修订版和当前版本之间的差别。

到此差别页面的链接

两侧同时换到之前的修订记录 前一修订版
后一修订版		 前一修订版
digi:arm-embedded:ccmp2:mipiwifi [2025/07/08 08:24] – robindigi:arm-embedded:ccmp2:mipiwifi [2025/07/08 09:02] (当前版本) – robin
行 71: 行 71:
 </code> </code>
 gst-launch-1.0 v4l2src device=/dev/video2 !  video/x-raw,format=YUYV !  nvvidconv ! 'video/x-raw(memory:NVMM)' !  nvv4l2h264enc bitrate=4000000 !  rtph264pay ! udpsink host=192.168.46.100 port=5000 gst-launch-1.0 v4l2src device=/dev/video2 !  video/x-raw,format=YUYV !  nvvidconv ! 'video/x-raw(memory:NVMM)' !  nvv4l2h264enc bitrate=4000000 !  rtph264pay ! udpsink host=192.168.46.100 port=5000
 +</code>
 +
 +
 +*************调试相关
 +
 +<code>
 +gst-launch-1.0 v4l2src device=/dev/video2 io-mode=dmabuf ! image/jpeg,width=640,height=480 !  jpegparse ! jpegdec !  videoconvert !  autovideosink
 +
 +gst-launch-1.0 v4l2src device=/dev/video2 io-mode=mmap !  image/jpeg,width=640,height=480 !  jpegparse ! jpegdec !  videoconvert ! autovideosink
 +
 +gst-launch-1.0 v4l2src device=/dev/video2 !  image/jpeg,width=640,height=480 !  queue max-size-buffers=2 leaky=downstream !  jpegparse ! jpegdec !  videoconvert !    autovideosink
 +
 +上面不行，JPEG可能是为了静态抓图，而不是mjpg, 设置回YUYV
 +
 +gst-launch-1.0 v4l2src device=/dev/video2 !  "video/x-raw,format=YUYV,width=640,height=480" !  videoconvert !  video/x-raw,format=I420 !  autovideosink
 +
 +gst-launch-1.0 v4l2src device=/dev/video2 ! capsfilter caps="video/x-raw,format=YUYV,width=640,height=480" !  videoconvert !  autovideosink
 +
 +尝试mjpg，还是要设置回jpeg
 +gst-launch-1.0 v4l2src device=/dev/video2 !  image/jpeg,width=640,height=480 !  jpegdec !  videoconvert !  autovideosink
 +
 +</code>
 +  上面不行，就用专用转换方案
 + <code>
 +gst-launch-1.0 v4l2src device=/dev/video2 !  v4l2convert !  video/x-raw,format=YUYV,width=640,height=480 !  videoconvert !  autovideosink
 </code> </code>