Starting capture from multiple nvarguscamerasrc simultaneously

Robotics & Edge Computing Jetson & Embedded Systems Jetson AGX Orin
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1

Hi all,

I have the following pipeline which starts the capture from 5 cameras

gst-launch-1.0 \
    nvarguscamerasrc sensor-id=0  ! "video/x-raw(memory:NVMM), width=3840, height=2160, framerate=20/1"  ! fakesink \
    nvarguscamerasrc sensor-id=1  ! "video/x-raw(memory:NVMM), width=3840, height=2160, framerate=20/1"  ! fakesink \
    nvarguscamerasrc sensor-id=2  ! "video/x-raw(memory:NVMM), width=3840, height=2160, framerate=20/1"  ! fakesink \
    nvarguscamerasrc sensor-id=3  ! "video/x-raw(memory:NVMM), width=3840, height=2160, framerate=20/1"  ! fakesink \
    nvarguscamerasrc sensor-id=4  ! "video/x-raw(memory:NVMM), width=3840, height=2160, framerate=20/1"  ! fakesink

However this pipeline will throw the following error:

nvbuf_utils: dmabuf_fd -1 mapped entry NOT found
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, threadExecute:694 NvBufSurfaceFromFd Failed.
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, threadFunction:247 (propagating)
nvbuf_utils: dmabuf_fd -1 mapped entry NOT found
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, threadExecute:694 NvBufSurfaceFromFd Failed.
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, threadFunction:247 (propagating)

Which 2 cameras fail isn’t consistent between runs or reboots. And the capture from any camera individually works without any issues.

Also, if I start the cameras separately with a small delay between them, the capture works correctly. It also works if I only try to start 3 cameras.

Is there a fix for this issue other than adding a delay between the start of the different cameras?

3

hello emmanuel.madrigal,

could you please try argus_camera sample application by running multi-session instead of using gst pipeline to enable five nvarguscamerasrc, thanks

5

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