oscilloscope
2D Video Oscilloscope.
Useful to measure spatial impulse, step responses, chroma delays, etc.
It accepts the following parameters:
- 'x'
-
Set scope center x position.
- 'y'
-
Set scope center y position.
- 's'
-
Set scope size, relative to frame diagonal.
- 't'
-
Set scope tilt/rotation.
- 'o'
-
Set trace opacity.
- 'tx'
-
Set trace center x position.
- 'ty'
-
Set trace center y position.
- 'tw'
-
Set trace width, relative to width of frame.
- 'th'
-
Set trace height, relative to height of frame.
- 'c'
-
Set which components to trace. By default it traces first three components.
- 'g'
-
Draw trace grid. By default is enabled.
- 'st'
-
Draw some statistics. By default is enabled.
- 'sc'
-
Draw scope. By default is enabled.
Command line examples
- Inspect full first row of video frame.
oscilloscope=x=0.5:y=0:s=1
- Inspect full last row of video frame.
oscilloscope=x=0.5:y=1:s=1
- Inspect full 5th line of video frame of height 1080.
oscilloscope=x=0.5:y=5/1080:s=1
- Inspect full last column of video frame.
oscilloscope=x=1:y=0.5:s=1:t=1