I want to convert all of them to 1280x720, but for the ones that are portrait I would like to show the full video with the remaining space to the left and right being a darkened, blurred version of the video. Node.js Fluent-FFMPEG mergeToFile() Example to Merge Multiple Video & Audio Files on Command Line in Javascript Node. If you want the output video frame size to be smaller than the input then you can use the scale video filter: ffmpeg -f alsa -ac 2 -i hw:0,0 -f x11grab -framerate 30 -videosize 1680x1050 -i :0.0+0,0 -c:v libx264 -preset veryfast -maxrate 3000k -bufsize 3000k -vf 'scale1280:-1,formatyuv420p' -g 60 -c:a aac -b:a 128k -ar 44100 -f flv. Create a converter function using fluent-ffmpeg to unlock all FFMPEG features. I have a lot of videos that are either 720x1280 or 1280x720. Simple example with specific location Put subscribe.png 10 pixels from the top and 10 pixels from the left. Now am able to concate two files with different size and aspect ratios But for that i have to run below command for each file - ffmpeg -i test-1.webm -vf scale480x360,setdar16:9 11. ![]() ![]() Below are examples showcasing Subscribe logo in different locations. (note: if the problem only happens with some inputs, include a link to such an input file) Expected resultsĪ video with an overlay image on top (at the given x, y, opacity). overlay, saturation, duration, fps, Create video conversion profiles. There are three output files specified, and for the first two, no -map options are set, so ffmpeg will select streams for these two files automatically. In FFmpeg, the way to place your logo picture is to use the -filtercomplex parameter and defining the position by setting the overlay coordinate.
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