CIS CAMERA CANT NOT READ

Robotics & Edge Computing Jetson & Embedded Systems Jetson Nano
1

my jetson nano(MIX219 support jetson nano) can get image from this comond

gst-launch-1.0 nvarguscamerasrc ! nvegltransform ! nveglglessink

Setting pipeline to PAUSED ...

Using winsys: x11 
Pipeline is live and does not need PREROLL ...
Got context from element 'eglglessink0': gst.egl.EGLDisplay=context, display=(GstEGLDisplay)NULL;
Setting pipeline to PLAYING ...
New clock: GstSystemClock
GST_ARGUS: Creating output stream
CONSUMER: Waiting until producer is connected...
GST_ARGUS: Available Sensor modes :
GST_ARGUS: 3280 x 2464 FR = 21.000000 fps Duration = 47619048 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 3280 x 1848 FR = 28.000001 fps Duration = 35714284 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 1920 x 1080 FR = 29.999999 fps Duration = 33333334 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 1640 x 1232 FR = 29.999999 fps Duration = 33333334 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: 1280 x 720 FR = 59.999999 fps Duration = 16666667 ; Analog Gain range min 1.000000, max 10.625000; Exposure Range min 13000, max 683709000;

GST_ARGUS: Running with following settings:
   Camera index = 0 
   Camera mode  = 2 
   Output Stream W = 1920 H = 1080 
   seconds to Run    = 0 
   Frame Rate = 29.999999 
GST_ARGUS: Setup Complete, Starting captures for 0 seconds
GST_ARGUS: Starting repeat capture requests.
CONSUMER: Producer has connected; continuing.
WARNING: from element /GstPipeline:pipeline0/GstEglGlesSink:eglglessink0: Pipeline construction is invalid, please add queues.
Additional debug info:
gstbasesink.c(1209): gst_base_sink_query_latency (): /GstPipeline:pipeline0/GstEglGlesSink:eglglessink0:
Not enough buffering available for  the processing deadline of 0:00:00.015000000, add enough queues to buffer  0:00:00.015000000 additional data. Shortening processing latency to 0:00:00.000000000.
WARNING: from element /GstPipeline:pipeline0/GstEglGlesSink:eglglessink0: A lot of buffers are being dropped.
Additional debug info:
gstbasesink.c(3003): gst_base_sink_is_too_late (): /GstPipeline:pipeline0/GstEglGlesSink:eglglessink0:
There may be a timestamping problem, or this computer is too slow.
ERROR: from element /GstPipeline:pipeline0/GstEglGlesSink:eglglessink0: Output window was closed
Additional debug info:
/dvs/git/dirty/git-master_linux/3rdparty/gst/gst-nveglglessink/ext/eglgles/gsteglglessink.c(910): gst_eglglessink_event_thread (): /GstPipeline:pipeline0/GstEglGlesSink:eglglessink0
Execution ended after 0:00:03.683135135
Setting pipeline to NULL ...
GST_ARGUS: Cleaning up
CONSUMER: Done Success
GST_ARGUS: Done Success
Freeing pipeline ...

but can’t not get result from this code GitHub - NVIDIA-AI-IOT/jetcam: Easy to use Python camera interface for NVIDIA Jetson there is the error message`Traceback (most recent call last):
File “/home/tom/code/jetcam/jetcam/csi_camera.py”, line 24, in init
raise RuntimeError(‘Could not read image from camera.’)
RuntimeError: Could not read image from camera.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “csi_cam.py”, line 121, in
camera = CSICamera(width=1280, height=720, capture_fps=60)
File “/home/tom/code/jetcam/jetcam/csi_camera.py”, line 26, in init
raise RuntimeError(
RuntimeError: Could not initialize camera. Please see error trace. and i try to change csi_camera.py try to init the correct commondclass CSICamera(Camera):

capture_device = traitlets.Integer(default_value=0)
capture_fps = traitlets.Integer(default_value=30)
capture_width = traitlets.Integer(default_value=640)
capture_height = traitlets.Integer(default_value=480)

def __init__(self, *args, **kwargs):
    super(CSICamera, self).__init__(*args, **kwargs)
    try:
        self.cap = cv2.VideoCapture(self._gst_str(), cv2.CAP_GSTREAMER)

        re, image = self.cap.read()

        if not re:
            raise RuntimeError('Could not read image from camera.')
    except:
        raise RuntimeError(
            'Could not initialize camera.  Please see error trace.')

    atexit.register(self.cap.release)
            
def _gst_str(self):
    # return 'nvarguscamerasrc sensor-id=%d ! video/x-raw(memory:NVMM), width=%d, height=%d, format=(string)NV12, framerate=(fraction)%d/1 ! nvvidconv ! video/x-raw, width=(int)%d, height=(int)%d, format=(string)BGRx ! videoconvert ! appsink' % (
    #         self.capture_device, self.capture_width, self.capture_height, self.capture_fps, self.width, self.height)
    return 'nvarguscamerasrc sensor-id=%d ! video/x-raw(memory:NVMM), width=%d, height=%d, format=(string)UYVY, framerate=(fraction)%d/1 ! nvvidconv ! video/x-raw, width=(int)%d, height=(int)%d, format=(string)NV12 ! videoconvert ! video/x-raw, format=(string)YVYU ! appsink' % (
        self.capture_device, self.capture_width, self.capture_height, self.capture_fps, self.width, self.height)

`still not work. i have no idea for this

3

There is no update from you for a period, assuming this is not an issue anymore.
Hence, we are closing this topic. If need further support, please open a new one.
Thanks

What’s your BSP version?

cat /etc/nv_tegra_release
5

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