我正在桌面上试验运动，
我的网络摄像头：Logitech, Inc. 网络摄像头 C270
输出图像和视频正常，但内置服务器上的图像不行。它们就像蓝色和黑色——几乎是单色的，但有时也会变成灰色。
我试过用vlc打开，没问题——我认为这与传输到服务器之前的视频压缩有关。
[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)
答案1
运行“motion -s”是造成问题的原因。 “动作开始”使其发挥作用。