I have 30 clips which are different in aspect ratio(like some videos are 10801920(they are vertical) and some are 1280720(horizontal aspect ratio videos). I want to merge all of them but also have a static background image that is of 1920x1080 aspect ratio. The video would be such that all the clips are concatenated but they have a background image(just like those tiktok compilation videos on youtube). Can someone please help me with this program?
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Stackoverflow isn't the right site for your request... – The Niv Feb 03 '21 at 15:32
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Did the answer work for you? – llogan Feb 17 '21 at 03:28
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Example using 3 videos. It can easily be expanded to 30 videos. I broke the command into multiple lines so you can see the syntax better. Make it one line before executing.
ffmpeg -i 1.mp4 -i 2.mp4 -i 3.mp4 -i image.png -filter_complex
"[0:v]scale=1280:720:force_original_aspect_ratio=increase,crop=1280:720,setsar=1,fps=25,format=yuv420p[v0];
[1:v]scale=1280:720:force_original_aspect_ratio=increase,crop=1280:720,setsar=1,fps=25,format=yuv420p[v1];
[2:v]scale=1280:720:force_original_aspect_ratio=increase,crop=1280:720,setsar=1,fps=25,format=yuv420p[v2];
[0:a]aformat=sample_rates=44100:channel_layouts=stereo[a0];
[1:a]aformat=sample_rates=44100:channel_layouts=stereo[a1];
[2:a]aformat=sample_rates=44100:channel_layouts=stereo[a2];
[v0][a0][v1][a1][v2][a2]concat=n=3:v=1:a=1[vid][a];
[3][vid]overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2[v]"
-map "[v]" -map "[a]" -c:v libx264 -c:a aac -movflags +faststart output.mp4
References:
llogan
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