11/10/2022 0 Comments Ffmpeg gif to mp4 set timeWhile MP4 has been around since 1999, WebM is a relatively new file format initially released in 2010. If the input GIF has odd dimensions you can include a crop filter to avoid FFmpeg throwing a 'height/width not divisible by 2' error: ffmpeg -i my-animation.gif -vf "crop=trunc(iw/2)*2:trunc(ih/2)*2" -b:v 0 -crf 25 -f mp4 -vcodec libx264 -pix_fmt yuv420p my-animation.mp4 Create WebM videos # The libx264 encoder only works with files that have even dimensions, like 320px by 240px. This tells FFmpeg to take my-animation.gif as the input, signified by the -i flag, and to convert it to a video called my-animation.mp4. To use FFmpeg to convert the GIF, my-animation.gif to an MP4 video, run the following command in your console: ffmpeg -i my-animation.gif -b:v 0 -crf 25 -f mp4 -vcodec libx264 -pix_fmt yuv420p my-animation.mp4 There are a number of ways to convert GIFs to video, FFmpeg is the tool used in this guide. If you have any GIFs that can be converted, you should see a suggestion to "Use video formats for animated content": Create MPEG videos # Then run Lighthouse and check the report. In DevTools, click on the Audits tab and check the Performance checkbox. Use Lighthouse to check your site for GIFs that can be converted to videos. Thankfully, this is one of those areas of loading performance where you can do relatively little work to realize huge gains! By converting large GIFs to videos, you can save big on users' bandwidth. Have you ever seen an animated GIF on a service like Imgur or Gfycat, inspected it in your dev tools, only to find out that GIF was really a video? There's a good reason for that. Effect on Largest Contentful Paint (LCP).
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |