Kdenlive/Manual/Effects/ru

Эффекты

Эффектами в "'Kdenlive"' можно воспользоваться для внесения изменений в свойства звуковых и видеоданных исходного материала.

Вы добавляете эффекты к клипам, выбрав их из Списка эффектов (Effects List) и перетащив на клип на монтажном столе. Или выделите клип на монтажном столе и выберите Добавить эффект (Add Effect) в меню Линия времени или Добавить эффект (Add Effect) из контекстное меню клипа на линии времени. Более подробно см. Быстрый старт - Эффекты

Эффекты, примененные к данному клипу могут быть просмотрены и отредактированы с помощью Стойки эффектов, которая отображается, когда клип выделен на монтажном столе.

You can also apply effects to an entire track. This is achieved by dragging an effect from the Effect List to the Track Header. Or you can click on the track header and chose Add Effect from the Timeline menu . Tracks which have effects added in this fashion will have a gold star icon in the track header.

Figure 1a. Track header showing star icon indicating an effect has been added to this track.

Список эффектов

Make the Effect List visible from the View menu (View -> Effect List)

Figure 1b

To have a brief description of the effect display at the bottom of the list, click the button as highlighted in figure 1b.

To add an effect to a clip, simply drag it from the Effect List to the clip on the timeline.

Effect Stack and its Menu

The Effect Stack

Figure 2 показывает стойку эффектов для клипоа. The effect stack can be made visible from the View menu Effect Stack

Figure 2

In kdenlive version 15.12 the effect stack is merged with the "Transition" window to create a "Properties" window.

The Properties window 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.

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 arrow labelled 2 brings up the menu shown.

Reset Effect

Возвращает всё к настройкам по умолчанию..

Сохранить эффект

Это позволяет сохранить текущий эффект и все его настройки. Сохраненный эффект появится в Списке эффектов в пользовательской категории.

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 Effect Stack.

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.

Использование в эффектах ключевых кадров

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.

См. в Быстрый Старт - Эффекты пример настроек RGB эффекта по ключевым кадрам

Поиск активного кадра

Some keyframe controls have a seek to active frame button (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.

Демонстрации эффектов

You can find screenshots describing 33 of the video effects here.

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

The #evp parser function was deprecated in EmbedVideo 2.0. Please convert your parser function tag to #ev.

The #evp parser function was deprecated in EmbedVideo 2.0. Please convert your parser function tag to #ev.

The #evp parser function was deprecated in EmbedVideo 2.0. Please convert your parser function tag to #ev.

Другое видео Youtube (английские титры)

The #evp parser function was deprecated in EmbedVideo 2.0. Please convert your parser function tag to #ev.

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

Категории эффектов

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

You can find screenshots describing 33 of the video effects here.

The effects are divided into the following categories:

1. Обработка Альфа-канала
2. Звук
3. Каналы звука
4. Коррекция звука
5. Размывание и сокрытие
6. Цвет
7. Цветокоррекция
8. Обрезка и трансформации
9. Custom
10. Искажения
11. Улучшение
12. Нарастание и затухание
13. Занятные
14. Разное
15. Движение
    
    

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.

FAQ:

П: Как дублировать эффект, чтобы воспользоваться теми же параметрами для другого фрагмента видео?

A: Select your effect in the timeline. In the Effect Stack widget choose Save, you find it 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.

П: Как применить эффект одновременно в нескольких (или всех) клипов?

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

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