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04b37b5d7f
This patch adds a select_region option to the xcbgrab input device. If set to 1, the user will be prompted to select the grabbing area graphically by clicking and dragging. A rectangle will be drawn to mark the grabbing area. A single click with no dragging will select the whole screen. The option overwrites the video_size, grab_x, and grab_y options if set by the user. For testing, just set the select_region option as follows: ffmpeg -f x11grab -select_region 1 -i :0.0 output.mp4 The drawing happens directly on the root window using standard rubber banding techniques, so it is very efficient and doesn't depend on any X extensions or compositors. Reviewed-by: Andriy Gelman <andriy.gelman@gmail.com> Signed-off-by: Omar Emara <mail@OmarEmara.dev>
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides a mean to alter decoded Audio and Video through chain of filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements color conversion and scaling routines.
Tools
- ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
- ffplay is a minimalistic multimedia player.
- ffprobe is a simple analysis tool to inspect multimedia content.
- Additional small tools such as
aviocat,ismindexandqt-faststart.
Documentation
The offline documentation is available in the doc/ directory.
The online documentation is available in the main website and in the wiki.
Examples
Coding examples are available in the doc/examples directory.
License
FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.
Contributing
Patches should be submitted to the ffmpeg-devel mailing list using
git format-patch or git send-email. Github pull requests should be
avoided because they are not part of our review process and will be ignored.