\Examples-usage-video-source-webcam Sample Program How to use ZaoVideoSourceWebcam

ZaoVideoSourceWebcam is a program that sends video captured by one WebCam to the cloud side.

■ Build and Installation

Follow the build instructions to obtain video-source-webcam/ZaoVideoSourceWebcam. To replace the pre-built binary installed by the SDK setup, execute the following command. ```` $ sudo install -m 755 -o root -g root video-source-webcamZaoVideoSourceWebcam /usr/local/bin

## ■ Command line options.

ZaoVideoSourceWebcam -i <device> [-p <link-path] [-m] [-w <width>] [-h <hight>] [-r <frame-rate>] `` *-i <device>: path to the V4L2 device to connect.


Example:/dev/video0.
This option is required. *-p <link-path>: specify a path for linking. *-p <link-path>: specify the path for linking with ZaoRemoteEndpoint.
If omitted, the path isunix:///run/zao/RemoteEndpoint.sock. *-m.
If this option is specified, capture in MJPG.
If omitted, capture in YUYV. *-w <width>: width of the frame.
If omitted, it will be 1920. *-h <height>: height of the frame. *-h <height>: frame height * If omitted, it will be set to 1080. *-r <frame-rate>: frame rate. *-r <frame-rate>: frame rate of the video format.
Fractional expressions are allowed.
Example:-r 60-r 60000/1001` * If omitted, the value is 30.


If omitted, the value is 30.

`■ Main operations`


Type Ctrl-C to stop fetching and sending.

`■ Restrictions`


Device must be present at process startup.
If a device is disconnected during operation, it will not be recognized again by the process even if it is reconnected.