How to download and setup ffmpeg-gl-transition
Open terminal and run command
                                            git clone https://github.com/transitive-bullshit/ffmpeg-gl-transition.git
                                        
                                        git clone is used to create a copy or clone of ffmpeg-gl-transition repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with ffmpeg-gl-transition https://github.com/transitive-bullshit/ffmpeg-gl-transition/archive/master.zip
Or simply clone ffmpeg-gl-transition with SSH
                                            [email protected]:transitive-bullshit/ffmpeg-gl-transition.git                                    
                                    If you have some problems with ffmpeg-gl-transition
You may open issue on ffmpeg-gl-transition support forum (system) here: https://github.com/transitive-bullshit/ffmpeg-gl-transition/issuesSimilar to ffmpeg-gl-transition repositories
Here you may see ffmpeg-gl-transition alternatives and analogs
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