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‘Kdenlive’中的 特效功能 作用是为源素材的音频和视频添加效果。

向剪辑添加特效的方式2种: 1 从 Effects 选项卡 寻找需要的效果,用鼠标将其拉到时间线上的剪辑上 2 选中时间线上的剪辑,从菜单栏的Timeline—>Add Effect 选择相应的特效

通过 右下角的 Effect/Composition Stack 选项卡,可以预览和修改作用在时间线剪辑上的特效



Effects(特效) 选项卡

如果找不到 Effects 选项卡;检查菜单栏 View—>Effect是否勾选,如果没勾选,选上。

Figure 1b - effects tab. The Information icon has been toggled so that the tab displays a brief description of the selected effect at the bottom

Properties(属性) 选项卡及其菜单

Properties(属性) 选项卡及其菜单

Properties 选项卡

The Properties Tab displays the settings for the effects on the currently selected clip (Figure 3) or the settings for the currently selected transition (Figure 4) depending on whether it is a clip or a transition that is currently selected.

Figure 3 - Properties when a clip with effects is selected
Figure 4 - Properties when a transition is selected

Click the eye icon shown at 2 to temporarily disable the effect and toggle the button to the state shown at 1. Click the empty eye icon shown at 1 to re-enable a disabled effect and toggle the button to the state shown at 2.

Toggle effect on and off.png

To remove an effect from a clip, click the trash can icon labelled 3 in the image below. The arrow labelled 1 minimizes the effect in the Properties Window. And the icon labelled 2 brings up the Properties Tab menu shown.

Kdenlive Effect stack icons2 17.04.png

Reset Effect

This reverts all the settings in the effect back to their default values.

Save Effect

This allows you to save the current effect and all its settings. The saved effect will appear in the Effect List in the Custom category.

Create Group

This creates an Effect Group. An Effect Group is a place holder for multiple effects. You can then save the group of effects — they will the appear in the Effect List, in the Custom Section. You can then later apply the whole group of effects to other parts of the timeline.

To add effects to the group, first add the effect in question to a clip. Then drag that effect and drop it onto the Effect Group in the Properties Tab.

Create Region

New in ver >=0.9.3

The "Create Region" feature enables a user to apply an effect to a part of a clip only. It is a really powerful feature but currently the UI is not fully ready to get its full potential.

Basically, you add an effect to a clip — for example "Sepia" — then you go in the effect's menu and select "Create Region". This will now open a file dialog.

In that dialog, you need to point to an MLT clip with alpha transparency. This is where Kdenlive is not 100% ready because there are many ways we could create such clips, using for example a threshold filter or rotoscoping. But as a start, let's say you can open any image with alpha transparency, or a title clip created with Kdenlive. Then, the "sepia" effect will only be applied on the non-transparent areas of this "region" clip.

Using Keyframes in effects

Many effects use the concept of "Keyframes". Keyframes are user-defined points in your clip where you want an effect to start, stop or change. You can set the parameters for your effects to different values at different keyframes and Kdenlive will then gradually change the parameters between the two keyframes so that by the time the video has arrived at the next keyframe it will have adjusted the parameter to match that key frame. It interpolates between keyframes.

See QuickStart - Effects for an example on keyframing the RGB adjustment effect.

Seek To Active Frame

Some keyframe controls have a seek to active frame button Kdenlive Seek to Active frame button.png (labeled 1 in screenshot A below). When seek to active frame is toggled on and you click on one of the keyframes in the keyframe list, Kdenlive will scroll the preview window to that keyframe. In the example of the screenshot, we have selected the keyframe at 9:20 in A and the clip position caret (highlighted in red box) shows the location of this keyframe. Clicking the keyframe at 10:00 in B shows how the clip position has moved. Kdenlive Seek to active frame.png

Effects Demos

The following three YouTube videos display the results of a number of the video effects available in Kdenlive (Spanish captioning).

Another YouTube video (English Captions).

See also this YouTube play list from Franz M.P.

Effects Categories

See also Effects and Transitions for an alphabetical list of effects and transitions.

The effects are divided into the following categories:

  1. Alpha manipulation
  2. Analysis and Data
  3. Artistic
  4. Audio
  5. Audio channels
  6. Audio Correction
  7. Blur and hide
  8. Color
  9. Color Correction
  10. Crop and transform
  11. Custom
  12. Distort
  13. Enhancement
  14. Fade
  15. Misc
  16. Motion

The available effects are defined by .xml files found in $KDEDIR/share/kde4/apps/kdenlive/effects (e.g. /usr/share/kde4/apps/kdenlive/effects).
Or at /usr/share/kdenlive/effects on version 15.n.

These .xml files contain the default values for the effects parameters. So if you don't like the default values for the effects in Kdenlive, you can modify the defaults by editing these .xml files.


Q: How to duplicate an effect to use similar settings somewhere else?

A: Select your effect in the timeline. In the Properties Tab choose Save (from the Properties Tab Menu). You will now find this effect available in the Effect List Custom section.

A: Other solution: select a strip containing the effect, Copy, then, where you want to apply it again, right-click and select Paste effect instead of Paste.

Q: How to apply an effect on several clips (all) at the same time?

A: You can select multiple clips with Shift + drag (left mouse button) around them. Then right-click and group clips (or Ctrl + G).

This page was last edited on 29 October 2020, at 17:29. Content is available under Creative Commons License SA 4.0 unless otherwise noted.