ffmpeg -i trailer_1080p.mov -vf 'scale=1280:-2' video.mp4įor instance, adding some padding we can resize the video to adopt a 1:1 aspect ratio to share on Instagram. In such as cases we can choose between pad or crop the video to produce good results. However, this doesn’t output a good result when we need to change the video aspect ratio. To resize a video we just need to specify the new size. Lots of times we need to select a clip from a video and resize it for a platform or device. The most typical operations editing video are resize and trim.

The only important parameter to take into account from the command above is -movflags +faststart, which enables a quick start playing on web browsers. ffmpeg -i trailer_1800p.mov -c:v libx264 -crf 20 -preset slow -profile:v high -level 4.0 -color_primaries 1 -color_trc 1 -colorspace 1 -movflags +faststart -c:a aac -b:a 128k video.mp4 A full specification of video encoding parameters looks as below. By default, it usually has a good selection of parameters, so we don’t need to know anything about video encoding. ffmpeg -i trailer_1080p.mov video.mp4įFmpeg uses the extension file to select the encoding - a mp4 file is encoded in h264. This codec generates small files with very good quality, and works on web, phones, tablets, and TVs. The most typical and universally supported format for web is MP4 encoded with H264. The first step producing a video for web is to encode it in the right format. You can download the FullHD video in this link. We are going to use the Big Buck Bunny trailer for testing. Now, you can easily resize and edit your videos online for web and social media with Abraia. In this guide, we are going to show you how to perform some typical operations to produce videos for web and social media. This makes their use sometimes difficult and verbose. It can be used to do most of multimedia tasks quickly and easily, but is a command line tool.

FFmpeg is an amazing cross platform tool capable of recording, converting, editing and streaming digital audio and video in several formats.

Ffmpeg crop and scale