內置伺服器上的運動藍色和黑色圖像 - 保存的圖像是好的

我正在我的桌面上嘗試運動，

我的網路攝像頭：Logitech, Inc. 網路攝像頭 C270

輸出圖像和影片都可以，但內置伺服器上的圖像不是。它們就像藍色和黑色——幾乎是單色的，但有時也會變成灰色。

我試過用vlc打開，沒關係-我認為它與影片壓縮有關，然後再將其傳輸到伺服器。

   [0:motion] [NTC] [ALL] conf_load: Processing thread 0 - config file /etc/motion/motion.conf
   [0:motion] [NTC] [ALL] motion_startup: Motion 4.0.1 Started
   [0:motion] [NTC] [ALL] motion_startup: Logging to syslog
   [0:motion] [NTC] [ALL] motion_startup: Using log type (ALL) log level (NTC)
   [0:motion] [NTC] [ENC] ffmpeg_init: ffmpeg libavcodec version 56.60.100 libavformat version 56.40.101
   [0:motion] [NTC] [ALL] main: Motion running in setup mode.
   [0:motion] [NTC] [ALL] main: Camera 0 is from /etc/motion/motion.conf
   [0:motion] [NTC] [ALL] main: Camera 0 is device: /dev/video0 input -1
   [0:motion] [NTC] [ALL] main: Stream port 8081
   [0:motion] [NTC] [ALL] main: Waiting for threads to finish, pid: 2787
   [1:ml1] [NTC] [ALL] motion_init: Camera 0 started: motion detection Enabled
   [1:ml1] [NTC] [VID] vid_v4lx_start: Using videodevice /dev/video0 and input -1
   [0:web_control] [NTC] [STR] http_bindsock: listening on 127.0.0.1 port 8080
   [0:web_control] [NTC] [STR] httpd_run: Started motion-httpd server on port 8080 (auth Disabled)
   [1:ml1] [NTC] [VID] v4l2_get_capability:
   ------------------------
   cap.driver: "uvcvideo"
   cap.card: "UVC Camera (046d:0825)"
   cap.bus_info: "usb-0000:00:12.2-1"
   cap.capabilities=0x84200001
   ------------------------
   [1:ml1] [NTC] [VID] v4l2_get_capability: - VIDEO_CAPTURE
   [1:ml1] [NTC] [VID] v4l2_get_capability: - STREAMING
   [1:ml1] [NTC] [VID] v4l2_select_input: name = "Camera 1", type 0x00000002, status 00000000
   [1:ml1] [NTC] [VID] v4l2_select_input: - CAMERA
   [1:ml1] [WRN] [VID] v4l2_select_input: Device doesn't support VIDIOC_G_STD
   [1:ml1] [NTC] [VID] v4l2_set_pix_format: Config palette index 17 (YU12) doesn't work.
   [1:ml1] [NTC] [VID] v4l2_set_pix_format: Supported palettes:
   [1:ml1] [NTC] [VID] v4l2_set_pix_format: (0) YUYV (YUYV 4:2:2)
   [1:ml1] [NTC] [VID] v4l2_set_pix_format: 0 - YUYV 4:2:2 (compressed : 0) (0x56595559)
   [1:ml1] [NTC] [VID] v4l2_set_pix_format: (1) MJPG (Motion-JPEG)
   [1:ml1] [NTC] [VID] v4l2_set_pix_format: 1 - Motion-JPEG (compressed : 1) (0x47504a4d)
   [1:ml1] [NTC] [VID] v4l2_set_pix_format Selected palette YUYV
   [1:ml1] [NTC] [VID] v4l2_do_set_pix_format: Testing palette YUYV (320x240)
   [1:ml1] [NTC] [VID] v4l2_do_set_pix_format: Using palette YUYV (320x240) bytesperlines 640 sizeimage 153600 colorspace 00000008
   [1:ml1] [NTC] [VID] v4l2_scan_controls: found control 0x00980900, "Brightness", range 0,255
   [1:ml1] [NTC] [VID] v4l2_scan_controls:         "Brightness", default 128, current 128
   [1:ml1] [NTC] [VID] v4l2_scan_controls: found control 0x00980901, "Contrast", range 0,255
   [1:ml1] [NTC] [VID] v4l2_scan_controls:         "Contrast", default 32, current 32
   [1:ml1] [NTC] [VID] v4l2_scan_controls: found control 0x00980902, "Saturation", range 0,255
   [1:ml1] [NTC] [VID] v4l2_scan_controls:         "Saturation", default 32, current 32
   [1:ml1] [NTC] [VID] v4l2_scan_controls: found control 0x00980918, "Power Line Frequency", range 0,2
   [1:ml1] [NTC] [VID] v4l2_scan_controls:         "Power Line Frequency", default 2, current 2
   [1:ml1] [NTC] [VID] v4l2_scan_controls: found control 0x00980913, "Gain", range 0,255
   [1:ml1] [NTC] [VID] v4l2_scan_controls:         "Gain", default 64, current 192
   [1:ml1] [NTC] [VID] vid_v4lx_start: Using V4L2
   [1:ml1] [NTC] [ALL] image_ring_resize: Resizing pre_capture buffer to 1 items
   [1:ml1] [NTC] [STR] http_bindsock: listening on 127.0.0.1 port 8081
   [1:ml1] [NTC] [ALL] motion_init: Started motion-stream server on port 8081 (auth Disabled)

執行“motion -s”是造成麻煩的原因。‘motion start’ 讓它發揮了作用。

引用自：https://unix.stackexchange.com/questions/393918