Linux: V4L2/camera : v4l2-compliance 测试V4L2兼容性

╰+攻爆jí腚メ 2023-06-19 11:26 312阅读 0赞

测试V4L2兼容性

v4l2-compliance

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duqs@duqs-MS-7B89:/dev$ v4l2-compliance 
    v4l2-compliance SHA   : not available
    
    Driver Info:
    	Driver name   : uvcvideo
    	Card type     : USB2.0 PC CAMERA: USB2.0 PC CAM
    	Bus info      : usb-0000:28:00.3-2
    	Driver version: 5.0.21
    	Capabilities  : 0x84A00001
    		Video Capture
    		Metadata 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 (Not Supported)
    
    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:
    		fail: v4l2-test-controls.cpp(251): missing control class for class 00980000
    		test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: FAIL
    		test VIDIOC_QUERYCTRL: OK
    		test VIDIOC_G/S_CTRL: OK
    		warn: v4l2-test-controls.cpp(695): g_ext_ctrls(0) invalid error_idx 0
    		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: 8 Private Controls: 0
    
    	Format ioctls:
    		test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
    		warn: v4l2-test-formats.cpp(1216): S_PARM is supported but doesn't report V4L2_CAP_TIMEPERFRAME
    		fail: v4l2-test-formats.cpp(1140): node->has_frmintervals && !cap->capability
    		test VIDIOC_G/S_PARM: FAIL
    		test VIDIOC_G_FBUF: OK (Not Supported)
    		fail: v4l2-test-formats.cpp(330): !colorspace
    		fail: v4l2-test-formats.cpp(439): testColorspace(pix.pixelformat, pix.colorspace, pix.ycbcr_enc, pix.quantization)
    		test VIDIOC_G_FMT: FAIL
    		test VIDIOC_TRY_FMT: OK (Not Supported)
    		test VIDIOC_S_FMT: OK (Not Supported)
    		test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
    		fail: v4l2-test-formats.cpp(1374): doioctl(node, VIDIOC_CROPCAP, &cap) != EINVAL
    		fail: v4l2-test-formats.cpp(1396): testLegacyCrop(node)
    		test Cropping: FAIL
    		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
    		fail: v4l2-test-buffers.cpp(574): VIDIOC_EXPBUF is supported, but the V4L2_MEMORY_MMAP support is missing, probably due to earlier failing format tests.
    		test VIDIOC_EXPBUF: OK (Not Supported)
    
    Test input 0:
    
    
    Total: 43, Succeeded: 39, Failed: 4, Warnings: 2

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