SOLVED CS-USB-IMX307 Linux Error
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 使用在Ubuntu下, 系统可以检测摄像机设备,但它不能播放视频, 相机或驱动程序是否有问题? 谢谢 ffplay /dev/video0 
 ffplay version 3.4.8-0ubuntu0.2 Copyright (c) 2003-2020 the FFmpeg developers
 built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
 configuration: --prefix=/usr --extra-version=0ubuntu0.2 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
 libavutil 55. 78.100 / 55. 78.100
 libavcodec 57.107.100 / 57.107.100
 libavformat 57. 83.100 / 57. 83.100
 libavdevice 57. 10.100 / 57. 10.100
 libavfilter 6.107.100 / 6.107.100
 libavresample 3. 7. 0 / 3. 7. 0
 libswscale 4. 8.100 / 4. 8.100
 libswresample 2. 9.100 / 2. 9.100
 libpostproc 54. 7.100 / 54. 7.100
 nan : 0.000 fd= 0 aq= 0KB vq= 0KB sq= 0B f=0/0
 nan : 0.000 fd= 0 aq= 0KB vq= 0KB sq= 0B f=0/0============================================================================ sudo v4l2-ctl -d /dev/video0 --all 
 Driver Info (not using libv4l2):
 Driver name : uvcvideo
 Card type : CS-USB-IMX307: UVC Camera
 Bus info : usb-0000:02:03.0-1
 Driver version: 4.18.20
 Capabilities : 0x84A00001
 Video Capture
 Metadata Capture
 Streaming
 Extended Pix Format
 Device Capabilities
 Device Caps : 0x04200001
 Video Capture
 Streaming
 Extended Pix Format
 Priority: 2
 Video input : 0 (Camera 1: ok)
 Format Video Capture:
 Width/Height : 640/360
 Pixel Format : 'YUYV'
 Field : None
 Bytes per Line : 1280
 Size Image : 460800
 Colorspace : Default
 Transfer Function : Default (maps to Rec. 709)
 YCbCr/HSV Encoding: Default (maps to ITU-R 601)
 Quantization : Default (maps to Limited Range)
 Flags :
 Crop Capability Video Capture:
 Bounds : Left 0, Top 0, Width 640, Height 360
 Default : Left 0, Top 0, Width 640, Height 360
 Pixel Aspect: 1/1
 Selection: crop_default, Left 0, Top 0, Width 640, Height 360
 Selection: crop_bounds, Left 0, Top 0, Width 640, Height 360
 Streaming Parameters Video Capture:
 Capabilities : timeperframe
 Frames per second: 30.000 (30/1)
 Read buffers : 0
 brightness 0x00980900 (int) : min=0 max=100 step=1 default=50 value=50
 contrast 0x00980901 (int) : min=0 max=100 step=1 default=50 value=50
 saturation 0x00980902 (int) : min=0 max=100 step=1 default=50 value=50
 hue 0x00980903 (int) : min=0 max=100 step=1 default=50 value=50
 error 5 getting ctrl White Balance Temperature, Auto
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 @patrick1957 
 请问硬件是pc机吗?
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 是的, 在PC Ubuntu 或 STM32MP157C-DK2 板OpenSTLinux, 两者都失败了 
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 客户已放弃此应用的研究。问题关闭。 
