mirror of
https://github.com/mifi/lossless-cut.git
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79 lines
3.1 KiB
Markdown
79 lines
3.1 KiB
Markdown
# LosslessCut 🎥 []()
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Simple, cross platform video editor for lossless trimming / cutting of videos. Great for rough processing of large video files taken from a video camera, GoPro, drone, etc. Lets you quickly extract the good parts from your videos and discard GB of data without losing quality. It doesn't do any decoding / encoding and is therefore extremely fast. Also allows for taking JPEG snapshots of the video at the selected time. This app uses the awesome ffmpeg🙏 for doing the grunt work. Also supports lossless cutting in the most common audio formats.
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<b>ffmpeg is now included in the app! 🎉</b>
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## Installing / running
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- Download [latest LosslessCut from releases](https://github.com/mifi/lossless-cut/releases)
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- Run LosslessCut app/exe
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## Documentation
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### Supported platforms
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- Mac OS X
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- Windows (64/32bit)
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- Linux (64/32bit, not tested)
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### Supported formats
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Since LosslessCut is based on Chromium and uses the HTML5 video player, not all ffmpeg supported formats will be supported.
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The following formats/codecs should generally work: MP4, MOV, WebM, MKV, OGG, WAV, MP3, AAC, H264, Theora, VP8, VP9
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For more information about supported formats / codecs, see https://www.chromium.org/audio-video.
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### Typical flow
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- Drag drop a video file into player to load or use <kbd>⌘</kbd>/<kbd>CTRL</kbd>+<kbd>O</kbd>.
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- Press <kbd>SPACE</kbd> to play/pause
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- Select the cut start and end time
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- Press the scissors button to export the slice
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- Press the camera button to take a snapshot
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The original video files will not be modified. Instead it creates a lossless export in the same directory as the original file with from/to timestamps. Note that the cut is currently not precise around the cutpoints, so video before/after the nearest keyframe will be lost. EXIF data is preserved.
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### Keyboard shortcuts
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- <kbd>SPACE</kbd>, <kbd>k</kbd> Play/pause
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- <kbd>j</kbd> Slow down video
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- <kbd>l</kbd> Speed up video
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- <kbd>←</kbd> Seek backward 1 sec
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- <kbd>→</kbd> Seek forward 1 sec
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- <kbd>.</kbd> (period) Tiny seek forward
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- <kbd>,</kbd> (comma) Tiny seek backward
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- <kbd>i</kbd> Mark in / cut start point
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- <kbd>o</kbd> Mark out / cut end point
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- <kbd>e</kbd> Export selection (in the same dir as the video)
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- <kbd>c</kbd> Capture snapshot (in the same dir as the video)
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## Development building / running
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This app is built using Electron. Make sure you have at least node v4 with npm 3. The app uses ffmpeg from PATH when developing.
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```
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git clone https://github.com/mifi/lossless-cut.git
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cd lossless-cut
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npm install
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```
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### Running
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In one terminal:
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```
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npm run watch
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```
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Then:
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```
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npm start
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```
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### Building package
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```
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npm run download-ffmpeg
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npm run extract-ffmpeg
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npm run build
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npm run icon-gen
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npm run package # builds all platforms
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```
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## Credits
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- App icon made by [Dimi Kazak](http://www.flaticon.com/authors/dimi-kazak "Dimi Kazak") from [www.flaticon.com](http://www.flaticon.com "Flaticon") is licensed by [CC 3.0 BY](http://creativecommons.org/licenses/by/3.0/ "Creative Commons BY 3.0")
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