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Is this a new - for the first time ever - installation of Shotcut? If NOT, and it used to work, then you may need to delete your Shotcut registry entries and try again. The registry keys are stored at HKEY_CURRENT_USER\Software\Meltytech\Shotcut.
One Windows 8.1 user reported he needed to change the following in the Compatibility tab of the Properties for the Shotcut icon/exe: Run in compatibility mode for “Windows XP (Service Pack 2)”, and “Run this program as administrator.” However, not every one needs to do that, and we are not sure why he needed it.
While some systems have a video adapter driver with at least version 2.1 OpenGL, there may be some incompatibility between the OpenGL code in Shotcut or Qt and the driver that causes a crash. You can try to upgrade to the latest driver for your hardware. Versions 15.09 and higher can also use DirectX when GPU processing is not enabled, and that should improve compatibility. Try the different options under Settings > Display Method: OpenGL or DirectX.
If you are using the 32-bit version of Shotcut on 64-bit Windows (it may appear in “Program Files (x86)”), try using the 64-bit version of Shotcut instead. You may be experiencing issues with drivers or running into memory limitations.
Of course, there can still be other reasons we have not yet discovered. If you believe none of the reasons above applies to you, then you can locate your shotcut-log.txt file in AppData (see other question below for more information) and paste it into a bug report.
If you just want to save your changes to re-open it later in Shotcut, you can save your project as a MLT XML file by clicking Save on the toolbar at the top of the window. If you want to upload the video to a web site or somehow share the result with someone as separate video file, then click Export on the toolbar, which opens or raises the Export panel. In the Export panel, there are 3 basic steps:
By default, if you have made a playlist Export uses the Playlist unless you have put something into the Timeline, in which case, it uses the timeline. Otherwise, it will Export the clip or live source (stream, device, screen, etc.). However, you can control what is used for the source of the export using the From control at the top of the Export panel.
It all depends; that is why there are so many of them! But here are some suggestions:
If a job appears to be stuck or hung (please allow ample time for percentage to change), right-click the job in the Jobs panel and choose Stop. Try export again with Export > Video > Parallel processing disabled (unchecked). If there is still a problem see what percentage it reaches before failing or hanging. Then, apply the percentage to your project duration to find the rough time of where it seems to be having trouble. Is there something complicated or different there? You can temporarily remove some things in this area and try again to see if export goes further.
You must apply a filter to your clip or track. There are 3 suitable filters at this time: 3D Text, Overlay HTML, and Text. If you just want to use a simple background, you can use an image file, or to use a solid color choose File > Open Other > Color.
See the video tutorials for more information about the Overlay HTML filter. Shotcut includes a simply WYSIWYG (i.e. visual) HTML editor accessible through the Edit button on this filter’s control panel.
You can also create text with an external program as an image with an alpha channel and composite it. To composite, you add a video track to the Timeline to use as a layer. Make sure the C button in the new track’s header is “on” to enable compositing. Finally, you open an image, set its Properties to adjust duration or enable an image sequence, add it to the new video track, and further adjust its position and duration as-needed. You might also want to apply the Size & Position filter to the image clip. The image file formats that support an alpha channel are PNG, SVG, and TGA. You can also use Quicktime Animation format. There are many tools that can create images with alpha channels for this purpose. Some of them include GIMP, Inkscape, Krita, Paint.NET, Photoshop, etc. For animation, consider Blender and Synfig.
Some formats and compression methods simply make it take longer. In the Settings menu set Interpolation to Nearest Neighbor. This setting not only affects the quality of image scaling but also the accuracy of seeking. Please be aware that this setting may cause seeking to become less accurate resulting in some frames repeating when stepping frame-by-frame backwards or the first several frames in the forward direction immediately after a seek.
In the Settings menu set Interpolation to something other than Nearest Neighbor - Bilinear is recommended. When the interpolation level is set to nearest neighbor it relaxes the accuracy of seeking to make the responsiveness of the video player faster.
There is now a page with all of the keyboard shortcuts.
These shortcuts are available without holding Ctrl, Alt, or Command (OS X) unless otherwise noted:
Just like j, k, and l for playback transport control, the bare i, o, x, v, b are very common shortcuts use by other professional video editing software from Apple, Avid, Lightworks, and others.
P.S. While it is rather obvious to use cursor left and right keys for single frame stepping, there is another technique so you do not have to remove your fingers from the JKL: while holding down K, tap J to step left or tap L to step right.
Sometimes the keyboard “focus” might be captured by something in the GUI causing the shortcuts to not function. In that case, click the video preview region to return focus to the player.
Some file managers do not like the launcher icon provided with the binary download from this site. The launcher icon was tested successfully on GNOME Nautilus and KDE Dolphin.
Operating system: 64-bit Windows 7 - 10, Apple OS X 10.8 - 10.10, or 64-bit Linux with at least glibc 2.13.
CPU: x86-64 Intel or AMD; at least one 2 GHz core for SD, 2 cores for HD, and 4 cores for 4K.
GPU: OpenGL 2.0 that works correctly and is compatible. On Windows, you can also use a card with good, compatible DirectX 9 or 11 drivers. We do not have a list.
RAM: At least 4 GB for SD, 8 GB for HD, and 16 GB for 4K.
Hard drive: yes, get one; the bigger, the better :-)
Network: Shotcut does NOT require access to the network to activate, check a subscription, or send usage analytics. However, some links in the Help menu do link out to this web site. If you have files on a fast (at least 1 Gb/s) network share you can access them from there through your operating system.
First, use Properties to see if the Video tab is disabled. If it is disabled, then Shotcut is not compatible with this format or codec. If the video tab is enabled, more than likely OpenGL (or also DirectX on Windows) is not working on your system, or it is too old. First, make sure GPU Processing is disabled in Settings. GPU processing requires OpenGL version 3.2. When it is disabled, you only need OpenGL version 2.0 (or also DirectX on Windows). If you are on Windows, after ensuring GPU processing is disabled, try forcing the usage of DirectX by choosing Settings > Display Method > DirectX (ANGLE).
Yes. Simply rename your existing program folder to put the version number in it or move it out-of-the-way to another location.
On Windows, the installer is mostly just a fancy zip extractor that also adds a start menu item. So, you can install the new version to a different location, or rename the existing folder to prevent it from being overwritten. Then, you can just navigate to whichever program folder you want in Explorer and run shotcut.exe.
On Mac OS X, you do not need to copy Shotcut to the /Applications folder - that is merely a suggestion. Simply drag Shotcut out of the .dmg to wherever you like and rename the app bundle to put the version number into it. Or, rename the existing version to move it out of the way before copying Shotcut from the .dmg.
The same concepts apply to Linux, where Shotcut is simply delivered as a compressed tar archive. However, on Linux, it is important to understand that the launch icon always looks in Shotcut.app; so, either version the folder containing the launch icon or have multiple, versioned Shotcut.app folders and run the launch script that is inside of it.
This is not supported, and there are currently no plans to support it. We recommend that you use VirtualDub or Avidemux for that.
Yes, because the software is made available under the GPLv3 license, it supports The Free Software Definition, which includes:
The freedom to run the program as you wish, for any purpose (freedom 0).
Currently, the database is used to store thumbnail and waveform data, but it will likely grow to include more things over time.
The log, database, and presets are stored in %LOCALAPPDATA%\Meltytech\Shotcut\. In the Explorer location bar, enter “%LOCALAPPDATA%” and press Enter. Then look for Meltytech\Shotcut.
The settings are stored in the registry at key HKEY_CURRENT_USER\Software\Meltytech\Shotcut\.
The log, database, and presets are stored in ~/.local/share/Meltytech/Shotcut/ where ‘~’ is your home directory, of course.
The settings are stored in ~/.config/Meltytech/Shotcut.conf, which is a text file in INI format.
The log, database, and presets are stored in ~/Library/Application Support/Meltytech/Shotcut/, where ‘~’ is your home directory, of course.
The settings are stored in ~/Library/Preferences/com.Meltytech.Shotcut.plist, which is a binary plist file.
Shotcut was originally announced in November, 2004! You can read more about it from a backup of its original website. The current version of Shotcut is a complete rewrite with none of the original requirements in mind. The original Shotcut was created by Charlie Yates, a MLT co-founder and original lead developer. Since Dan Dennedy, another MLT co-founder and its current lead, wanted to create a new editor based on MLT, he simply chose to reuse the name since he liked it so much. The current Shotcut had its origins as the MLT BuildOnMe project. BuildOnMe was created in January, 2011 as a minimal, example project of how to use MLT in a cross-platform Qt 4 project. Eventually, Dan sought to replace the aging Melted GTK+ client, Rugen, with a cross-platform replacement and needed an app on which to easily test the cross-platform compatibility of new MLT features such as WebVfx and Movit. That led him to fork BuildOnMe and start Shotcut.
If you are strictly asking about subtitles or closed captions, Shotcut does not read, make, edit, or pass-through subtitles. There is planned the ability to read, show, pass-through, and burn-in subtitles, but there is no estimated time of arrival. We recommend that you try the free, open source, cross-platform subtitle editor Aegisub.
However, if you are just asking about the ability to put/overlay text in your video, use the Text, 3D Text, or Overlay HTML filter. Since it is a filter, that means you need something to which to apply it. If you just want a solid color, choose File > Open Other > Color. You can also use a picture/photograph just like a video clip by opening it and adding it to your playlist or timeline.
This is implemented as of version 16.01. With a clip open in the source player or selected in the timeline, choose Properties and look for the Speed field. Shotcut only provides simple frame dropping or duplicating. However, if the frame rate of your source footage is higher than the Video Mode (under Settings menu), then you can achieve a fairly smooth slow motion. If you are looking for more sophisticated results using more advanced optical flow techniques, we recommend you try the free, open source, cross-platform tool slowMoVideo.
Shotcut does not offer that, but we recommend to try the free, open source, cross-platform tool Audacity.