How to Use FFmpeg To Resize/Scale Video [2022 Guide] - iMyFone -vf "scale=640:-1". 3. ffmpeg is being run with the same arguments but different inputs in two separate places in my code. ffmpeg cropped video changes aspect ratio - Stack Exchange Where … 1920x1080 aspect ratio 16:9 => 640x480 aspect 4:3: ffmpeg -y -i import.media -aspect 16:9 scale=640x360,pad=640:480:0:60:black output.media aspect ratio 16:9 , size width 640pixel => height 360pixel: With final output size 640x480, and pad 60pixel black image (top and bottom): "-vf scale=640x360,pad=640:480:0:60:black" Command line - scale a video using ffmpeg - InfoHeap To install ffmpeg: 1. sudo apt install ffmpeg. # For video input $ ffmpeg -i input.mp4 -vf scale=640:480 output.mp4 # For image $ ffmpeg -i input.jpeg -vf scale=640:480 output. As ffmpeg requires to have width/height dividable by 2, and I suppose you want to specify one of the dimensions, this would be the option: you can use ffmpeg -i to get the dimensions of the original file, and use that in your commands for the encode. What platform are you using ffmpeg on? FFmpeg - Changer la résolution de la vidéo avec un ratio d'aspect That is if you set the height, then set the width to -1 and vice-versa. But, later I got video which aspect is not 4:3, but 16:9 and so on. ffmpeg -i input.mp4 -vf scale=480:-1 output.mp4 Here, your resized video will have a resolution of 480 x 320. Check the input aspect ratio. The scale argument means the output video will have a width of 720px and the height will be set based on the ratio of the original video. 1. Here we specify either width or height. ffmpeg -i input.mp4 -vf "scale=480:320",setdar=4:3 output_320.mp4. Resize/Scale/Change Resolution of a Video using FFmpeg Easily
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