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kfitfk/ffmpeg_extract_frame_with_transparency.sh

Last active September 22, 2021 02:59
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extract a frame with transparency from a webm file using ffmpeg
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ffmpeg_extract_frame_with_transparency.sh
# Replace 34 from select=eq(n\,34) with any frame number. Frame starts from 0.
ffmpeg -vcodec libvpx-vp9 -i input_file.webm -pix_fmt rgba -vf "select=eq(n\,34)" -vframes 1 output_file.png
# To generate a png file for each frame, use something like "frames/%04d.png" as the output file name
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