Video data analysis filter.
This filter shows hexadecimal pixel values of part of video.
The filter accepts the following options:
- size, s
-
Set output video size.
- x
-
Set x offset from where to pick pixels.
- y
-
Set y offset from where to pick pixels.
- mode
-
Set scope mode, can be one of the following:
- mono
-
Draw hexadecimal pixel values with white color on black background.
- color
-
Draw hexadecimal pixel values with input video pixel color on black background.
- color2
-
Draw hexadecimal pixel values on color background picked from input video, the text color is picked in such way so its always visible.
- axis
-
Draw rows and columns numbers on left and top of video.
- opacity
-
Set background opacity.
- format
-
Set display number format. Can be
hex
, ordec
. Default ishex
. - components
-
Set pixel components to display. By default all pixel components are displayed.
Commands
This filter supports same commands as options excluding size
option.