概述
The swiss army knife of lossless video/audio editing
LosslessCut aims to be the ultimate cross platform ffmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files. The main feature is lossless trimming and cutting of video and audio files, which is great for saving space by rough-cutting your large video files taken from a video camera, GoPro, drone, etc. It lets you quickly extract the good parts from your videos and discard many gigabytes of data without doing a slow re-encode and thereby losing quality. Or you can add a music or subtitle track to your video without needing to encode. Everything is extremely fast because it does an almost direct data copy, fuelled by the awesome ffmpeg which does all the grunt work.
* Please note:
- This app is not used for exact cutting. Start cut time will be "rounded" to the nearest previous keyframe, which may be a fraction of a second before your desired cut point, or up to several seconds, depending on the encoding.
- A lot of formats and codecs are supported, but not all possible video/audio formats can be supported. There may be issues with cutting videos from certain new cameras or some professional cameras using exotic codec configurations.
- You may not be able to cut some proprietary tracks on your files (e.g. gopro's GPMF), metadata tracks etc.
- Preview is low quality for certain codecs
- MPEG TS is tricky sometimes
- EXIF metadata might not be preserved 100%
特性
Lossless cutting of most video and audio formats
Losslessly cut out parts of video/audio (for cutting away commercials etc.)
Lossless merge/concatenation of arbitrary files (with identical codecs parameters, e.g. from same camera)
Lossless stream editing: Combine arbitrary tracks from multiple files (ex. add music or subtitle track to a video file)
Losslessly extract all tracks from a file (extract video, audio, subtitle and other tracks from one file into separate files)
Remux into any compatible output format
Take full-resolution snapshots from videos in JPEG/PNG format
Manual input of cutpoint times
Apply a per-file timecode offset
Change rotation/orientation metadata in videos
View technical data about all streams
Timeline zoom and frame/keyframe jumping
Saves per project cut segments to project file
View ffmpeg last command log so you can modify and re-run recent commands on the command line
Undo/redo
Give labels to cut segments
View segment details, export/import cut segments as CSV
Video thumbnails and audio waveform
此版本中的新增功能
- Add "What's new" (this dialog!)
- Allow Shift + mouse click/drag to move/resize segments (configurable modifier key)
- Use native web keyboard events: This makes keybindings consistently independent of keyboard layout.
- Use file name template also for merge files
- Dialog button positions are now OS-dependent
- Markers: Segments that don't have any end time are now considered "markers". They are rendered differently, and are excluded from exports. Markers can be useful for bookmarking locations on the timeline and all markers can be batch exported as screenshots.
- Play multiple audio tracks simultaneously (with FFmpeg-assisted playback)
- Remember segment selected/deselected state inside .llc file
- Split timeline by byte size
- Modify segments by JavaScript expression
- Toggle tracks by expression
- CSV export/import tags as extra columns
- Multiple new keyboard shortcuts
- Multiple new file name template variables
- Enable system language support
- Improvements, UI, accessibility, dark/light mode, and bugfixes
系统要求
适用平台：电脑
操作系统：Windows 10 版本 14316.0 或更高版本
键盘：未指定
鼠标：未指定
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