FlashbulbsSimulates lots of flashbulbs going off. With many small flashes, can look like a stadium scene. With a few large flashes, works well on a celebrity red carpet clip.Inputs:
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Parameters:
-
Load Preset:
Push-button
.
Brings up the Preset Browser to browse all available presets for this effect.
-
Save Preset:
Push-button
.
Brings up the Preset Save dialog to save a preset for this effect.
-
Flash Style:
Default:
0,
Range:
0 or greater.
Style of flashbulb to use. Several styles are available, or you can try some of the glares for a different look.
-
Brightness:
Default:
5,
Range:
0 or greater.
Overall brightness of the flashes.
-
Vary Brightness:
Default:
0.2,
Range:
0 to 1.
Increase to vary the brightness of each flashbulb in each frame.
-
Flashes:
Integer, Default:
2,
Range:
0 or greater.
Approximate number of flashes per frame.
-
Flash Randomness:
Default:
0.5,
Range:
0 to 1.
Increase to get more flashes on some frames (up to the values of Flashes) and fewer on others.
-
Flash Size:
Default:
1,
Range:
0 or greater.
Average size of flashes. This parameter can be adjusted using the Flash Size Widget.
-
Flash Size Rel:
X & Y, Default:
[1 1],
Range:
0 or greater.
Use to squash or stretch flashes. This parameter can be adjusted using the Flash Size Widget.
-
Flash Gamma:
Default:
1,
Range:
0.1 or greater.
Brightens or darkens the midtones of the flashes. Can give a round, hard-edged look, or make the flashes more soft and subtle.
-
Hold Frames:
Integer, Default:
1,
Range:
0 or greater.
Each flash trails off slightly in time, to simulate persistence of vision as well as the effect of the filament cooling off in old-time flashbulbs. Hold Frames controls how long that trail lasts.
-
Flash Decay Rate:
Default:
0.1,
Range:
0 to 1.
How quickly the flashes decay over the Hold Frames time. Increase to make them stay on screen brighter, for longer; decrease to make them disappear quickly. Note that you may have to increase Hold Frames to see long-lived flash trails.
-
Bg Brightness:
Default:
1,
Range:
0 or greater.
Scales the brightness of the background before combining with the flashbulbss. If 0, the result will contain only the flashbulbs image over black.
-
Combine:
Popup menu, Default: Add
.
Determines how the flash image is combined with the background.
-
Screen:
blends the flashes with the background, which can help prevent
overly bright results.
- Add: causes the flash image to be added to the background.
- Flashes Only: shows the flashes over a transparent black background.
- Add: causes the flash image to be added to the background.
-
Screen:
blends the flashes with the background, which can help prevent
overly bright results.
-
Seed:
Default:
0.1,
Range:
0 or greater.
Used to initialize the random number generator. The actual seed value is not significant, but different seeds give different results and the same value should give a repeatable result.
Params2:
Params3:
-
Mocha:
Default:
0,
Range:
0 or greater,
Shared
.
Brings up the Mocha window for tracking footage and generating masks.
-
Blur Mocha:
Default:
0,
Range:
0 or greater,
Shared
.
Blurs the Mocha Mask by this amount before using. This can be used to soften the edges or quantization artifacts of the mask, and smooth out the time displacements.
-
Mocha Opacity:
Default:
1,
Range:
0 to 1,
Shared
.
Controls the strength of the Mocha mask. Lower values reduce the intensity of the effect.
-
Invert Mocha:
Check-box, Default:
off,
Shared
.
If enabled, the black and white of the Mocha Mask are inverted before applying the effect.
-
Show Mocha Only:
Check-box, Default:
off,
Shared
.
Bypass the effect and show the Mocha Mask itself.
-
Bypass Mocha:
Check-box, Default:
off,
Shared
.
Ignore the Mocha Mask and apply the effect to the entire source clip.