Color Levels
描述
This effect/filter adjusts video input frames using levels.
Input levels are used to lighten highlights (bright tones), darken shadows (dark tones), change the balance of bright and dark tones. Output levels allows manual selection of a constrained output level range.
參數
參數 |
數值 |
描述 |
|---|---|---|
紅色
綠色
藍黑輸入
|
浮點數 |
Adjust red, green and blue input black point. Allowed values are 0 to 1.0, default is 0. |
紅色
綠色
藍白輸入
|
浮點數 |
Adjust red, green and blue input white point. Allowed values are 0 to 1.0, default is 1. |
紅色
綠色
藍黑輸出
|
浮點數 |
Adjust red, green and blue output black point. Allowed values are 0 to 1.0, default is 0. |
紅色
綠色
藍白輸出
|
浮點數 |
Adjust red, green and blue output white point. Allowed values are 0 to 1.0, default is 1. |