Camera outputs image too slow on Jetson Nano 4gb

Hello,
I have a Jetson Nano 4gb, driver of isx020 camera and it’s driver. I can get a decent Image from sensor, the problem is that camera outputs image nearly 1 frames per seconds.

Following is the v4l2-compliance results:

v4l2-compliance SHA   : not available

Driver Info:
	Driver name   : tegra-video
	Card type     : vi-output, isx020 7-001a
	Bus info      : platform:54080000.vi:0
	Driver version: 4.9.201
	Capabilities  : 0x84200001
		Video Capture
		Streaming
		Extended Pix Format
		Device Capabilities
	Device Caps   : 0x04200001
		Video Capture
		Streaming
		Extended Pix Format

Compliance test for device /dev/video0 (not using libv4l2):

Required ioctls:
	test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
	test second video open: OK
	test VIDIOC_QUERYCAP: OK
	test VIDIOC_G/S_PRIORITY: OK
	test for unlimited opens: OK

Debug ioctls:
	test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
	test VIDIOC_LOG_STATUS: OK

Input ioctls:
	test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
	test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
	test VIDIOC_ENUMAUDIO: OK (Not Supported)
	test VIDIOC_G/S/ENUMINPUT: OK
	test VIDIOC_G/S_AUDIO: OK (Not Supported)
	Inputs: 1 Audio Inputs: 0 Tuners: 0

Output ioctls:
	test VIDIOC_G/S_MODULATOR: OK (Not Supported)
	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
	test VIDIOC_ENUMAUDOUT: OK (Not Supported)
	test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
	test VIDIOC_G/S_AUDOUT: OK (Not Supported)
	Outputs: 0 Audio Outputs: 0 Modulators: 0

Input/Output configuration ioctls:
	test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
	test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
	test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
	test VIDIOC_G/S_EDID: OK (Not Supported)

Test input 0:

	Control ioctls:
		test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
		test VIDIOC_QUERYCTRL: OK
		test VIDIOC_G/S_CTRL: OK
		test VIDIOC_G/S/TRY_EXT_CTRLS: OK
		test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
		test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
		Standard Controls: 10 Private Controls: 12

	Format ioctls:
		fail: v4l2-test-formats.cpp(273): duplicate format 59565955 (UYVY)
		test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: FAIL
		fail: v4l2-test-formats.cpp(1184): ret && node->has_frmintervals
		test VIDIOC_G/S_PARM: FAIL
		test VIDIOC_G_FBUF: OK (Not Supported)
		test VIDIOC_G_FMT: OK
		test VIDIOC_TRY_FMT: OK
		test VIDIOC_S_FMT: OK
		test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
		test Cropping: OK (Not Supported)
		test Composing: OK (Not Supported)
		test Scaling: OK (Not Supported)

	Codec ioctls:
		test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
		test VIDIOC_G_ENC_INDEX: OK (Not Supported)
		test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)

	Buffer ioctls:
		test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
		test VIDIOC_EXPBUF: OK

Test input 0:


Total: 43, Succeeded: 41, Failed: 2, Warnings: 0

Here is my v4l2-ctl --list-formats-ext output:

ioctl: VIDIOC_ENUM_FMT
	Index       : 0
	Type        : Video Capture
	Pixel Format: 'UYVY'
	Name        : UYVY 4:2:2
		Size: Discrete 1280x960
			Interval: Discrete 0.033s (30.000 fps)

	Index       : 1
	Type        : Video Capture
	Pixel Format: 'UYVY'
	Name        : UYVY 4:2:2
		Size: Discrete 1280x960
			Interval: Discrete 0.033s (30.000 fps)

Here is my gstreamer pipeline for video output:
gst-launch-1.0 v4l2src device=/dev/video1 ! video/x-raw, width=1280, height=960 ! videoconvert ! ximagesink sync=false

Also there is another issue I just covered, after executing following code:
v4l2-ctl -d /dev/video1 --set-fmt-video=width=1280,height=960, --set-ctrl bypass_mode=0 --stream-mmap --stream-count=100
<<<<<<<<<<<<<<<<<<<<<<<<<< 25.00 fps
<<<<<<<<<<<<<<<<<<<<<<<<< 25.00 fps
<<<<<<<<<<<<<<<<<<<<<<<<< 25.00 fps
<<<<<<<<<<<<<<<<<<<<<<<<

It is 25 fps but my camera is in 30 fps. This might be the problem, but I couldn’t find the solution for it. Everything related is at 30 fps already in device tree and source code. Also changing the pixel clock rate didn’t help either.

Any advice would be appreciated. Thanks in advance!

Try below command to set the frame rate to 30fps.

v4l2-ctl -c frame_rate=30000000

Hello Shane,
Thank you for the response. I solved the problem by changing ximagesink to xvimagesink and it plays smoothly. Still I get 25 fps even though everything’s set to 30. I will open a new thread for it. Thank you again.

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