Vincent Billey Fenntasy

## ffmpeg GIF to MP4.MD

      
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                gvoze32
                / ffmpeg GIF to MP4.MD
            
            
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              August 24, 2024 09:47
            
              
                Convert animated GIF to MP4 using ffmpeg in terminal.
              
          
    To convert animation GIF to MP4 by ffmpeg, use the following command
ffmpeg -i animated.gif -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" video.mp4

Description

movflags – This option optimizes the structure of the MP4 file so the browser can load it as quickly as possible.
pix_fmt – MP4 videos store pixels in different formats. We include this option to specify a specific format which has maximum compatibility across all browsers.

  
## Dive SVG.md

      
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                myrho
                / Dive SVG.md
            
            
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              June 7, 2021 21:53
            
          
    Lightning Talk proposal for ReactiveConf 2017
http://www.reactiveconf.com
#ReactiveConf
Porting Prezi to Elm in 99 lines of code

Elm is a statically-typed functional programming language. Its compiler produces safe JavaScript which is guaranteed to be free of runtime exceptions.
Moreover Elm is packed with a bunch of powerful abstractions which let us build visual and reactive Web applications in a few lines of code.
As an example, I show the implementation of a simple framework for building Prezi-like presentations. It's just 99 lines of code!