试了一下发现效果很好。在这里贴一下fswebcam的命令以便大家个性化图像:
Usage: fswebcam [<options>] <filename> [[<options>] <filename> ... ]
-?, --help Display this help page and exit.
-c, --config <filename> Load configuration from file.
-q, --quiet Hides all messages except for errors.
-v, --verbose Displays extra messages while capturing
--version Displays the version and exits.
-l, --loop <seconds> Run in loop mode.
-b, --background Run in the background.
-o, --output <filename> Output the log to a file.
-d, --device <name> Sets the source to use.
-i, --input <number/name> Selects the input to use.
-t, --tuner <number> Selects the tuner to use.
-f, --frequency <number> Selects the frequency use.
-p, --palette <name> Selects the palette format to use.
-D, --delay <number> Sets the pre-capture delay time. (seconds)
-r, --resolution <size> Sets the capture resolution.
--fps <framerate> Sets the capture frame rate.
-F, --frames <number> Sets the number of frames to capture.
-S, --skip <number> Sets the number of frames to skip.
--dumpframe <filename> Dump a raw frame frame to file.
-s, --set <name>=<value> Sets a control value.
--revert Restores original captured image.
--flip <direction> Flips the image. (h, v)
--crop <size>[,<offset>] Crop a part of the image.
--scale <size> Scales the image.
--rotate <angle> Rotates the image in right angles.
--deinterlace Reduces interlace artifacts.
--invert Inverts the images colours.
--greyscale Removes colour from the image.
--swapchannels <c1c2> Swap channels c1 and c2.
--no-banner Hides the banner.
--top-banner Puts the banner at the top.
--bottom-banner Puts the banner at the bottom. (Default)
--banner-colour <colour> Sets the banner colour. (#AARRGGBB)
--line-colour <colour> Sets the banner line colour.
--text-colour <colour> Sets the text colour.
--font <[name][:size]> Sets the font and/or size.
--no-shadow Disables the text shadow.
--shadow Enables the text shadow.
--title <text> Sets the main title. (top left)
--no-title Clears the main title.
--subtitle <text> Sets the sub-title. (bottom left)
--no-subtitle Clears the sub-title.
--timestamp <format> Sets the timestamp format. (top right)
--no-timestamp Clears the timestamp.
--gmt Use GMT instead of local timezone.
--info <text> Sets the info text. (bottom right)
--no-info Clears the info text.
--underlay <
NG image> Sets the underlay image.
--no-underlay Clears the underlay.
--overlay <
NG image> Sets the overlay image.
--no-overlay Clears the overlay.
--jpeg <factor> Outputs a JPEG image. (-1, 0 - 95)
--png <factor> Outputs a PNG image. (-1, 0 - 10)
--save <filename> Save image to file.
--exec <command> Execute a command and wait for it to complete.
ps.我才发现yeelink已经进驻这儿了¬