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.. Copyright (c) 2008-2016 OpenShot Studios, LLC
(http://www.openshotstudios.com). This file is part of
OpenShot Video Editor (http://www.openshot.org), an open-source project
dedicated to delivering high quality video editing and animation solutions
to the world.
.. OpenShot Video Editor is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
.. OpenShot Video Editor is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
.. You should have received a copy of the GNU General Public License
along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
.. _clips_ref:
Clips
=====
Each media file you add to the OpenShot timeline is called a clip, and is visualized by a dark, rounded rectangle
(as seen in the screenshot below). A clip has a large number of properties, which affects how the clip is
rendered and composited, such as scale, location, rotation, and alpha. These properties can also be animated over time,
and when combined together, can create some amazing effects.
Overview
--------
.. image:: images/clip-overview.jpg
.. table::
:widths: 5 10 35
== ================== ============
# Name Description
== ================== ============
1 Clip 1 A video clip
2 Transition A gradual fade transition between the 2 clips
3 Clip 2 An image clip
== ================== ============
Cutting & Slicing
-----------------
OpenShot has many easy ways to adjust the start and end positions of a clip (otherwise known as cutting). The most common
method is simply grabbing the left (or right) edge of the clip and dragging. Here is a list of methods for cutting clips in OpenShot:
.. table::
:widths: 30
================== ============
Name Description
================== ============
Slice When the play-head (i.e. red playback line) is overlapping a clip, right click on the clip, and choose Slice
Slice All When the play-head is overlapping many clips, right click on the play-head, and choose Slice All (it will cut all intersecting clips)
Resizing Edge Mouse over the edge of a clip, and resize the edge
Split Dialog Right click on a file, and choose **Split Clip**. A dialog will appear which allows for creating lots of small cuts in a single video file.
Razor Tool The razor tool cuts a clip wherever you click, so be careful. Easy and dangerous.
================== ============
Keep in mind that all of the above cutting methods also have :ref:`keyboard_shortcut_ref`, to save even more time.
.. _clip_presets_ref:
Preset Menu
-----------
OpenShot has tons of great preset animations and clip properties, such as fading, sliding, zooming, etc...
These presets can be accessed by right clicking on a clip.
.. image:: images/clip-presets.jpg
.. table::
:widths: 20
================== ============
Name Description
================== ============
Fade Fade in or out a clip (often easier than using a transition)
Animate Zoom and slide a clip
Rotate Rotate or flip a video
Layout Make a video smaller or larger, and snap to any corner
Time Reverse and speed up or slow down video
Volume Fade in or out the volume for a clip
Separate Audio Create a clip for each audio track
Slice Cut the clip at the play-head position
Transform Enable transform mode
Display Show waveform or thumbnail for a clip
Properties Show the properties panel for a clip
Copy / Paste Copy and paste key frames or duplicate an entire clip (with all key frames)
Remove Clip Remove a clip from the timeline
================== ============
.. _clip_transform_ref:
Transform
---------
To quickly adjust the location and scale of a clip, select a clip on the timeline, right click and choose **Transform**.
Grab any of the small blue handles to adjust scale, and grab the middle circle to move the image. Note: Pay close
attention to where the play-head (i.e. red playback line) is. Key frames are automatically created at the current playback
position, to help create animations.
.. image:: images/clip-transform.jpg
For more info on key frames and animation, see :ref:`animation_ref`.
Effects
-------
In addition to the many clip properties which can be animated and adjusted, you can also drop an effect directly onto
a clip. Each effect is represented by a small letter icon. Clicking the effect icon will populate the properties of that
effect, and allow you to edit (and animate) them.
.. image:: images/clip-effects.jpg
.. _clip_properties_ref:
Properties
----------
Below is a list of clip properties which can be edited, and in most cases, animated over time. To view a clip's properties,
right click and choose **Properties**. The property editor will appear, where you can change these properties. Note: Pay
close attention to where the play-head (i.e. red playback line) is. Key frames are automatically created at the current playback
position, to help create animations.
.. table::
:widths: 20
================== ============
Name Description
================== ============
Gravity Type The gravity of a clip determines where it snaps to it's parent
Scale Type The scale determines how a clip should be resized to fit it's parent
Frame Display Type The format to display the frame number (if any)
Scale X Curve representing the horizontal scaling in percent (0 to 1)
Scale Y Curve representing the vertical scaling in percent (0 to 1)
Location X Curve representing the relative X position in percent based on the gravity (-1 to 1)
Location Y Curve representing the relative Y position in percent based on the gravity (-1 to 1)
Rotation Curve representing the rotation (0 to 360)
Alpha Curve representing the alpha (1 to 0)
Time Curve representing the frames over time to play (used for speed and direction of video)
Volume Curve representing the volume (0 to 1)
Shear X Curve representing X shear angle in degrees (-45.0=left, 45.0=right)
Shear Y Curve representing Y shear angle in degrees (-45.0=down, 45.0=up)
Channel Filter A number representing an audio channel to filter (clears all other channels)
Channel Mapping A number representing an audio channel to output (only works when filtering a channel)
Has Audio An optional override to determine if this clip has audio (-1=undefined, 0=no, 1=yes)
Has Video An optional override to determine if this clip has video (-1=undefined, 0=no, 1=yes)
Waveform Should a waveform be used instead of the clip's image
Waveform Color Curve representing the color of the audio wave form
================== ============
For more info on key frames and animation, see :ref:`animation_ref`.
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