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My FFmpeg Command Collection
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# Source: https://stackoverflow.com/a/59307017 | |
# Merge two audio track into one | |
ffmpeg -i originalfile.mov -c:v copy -c:a aac -b:a 160k -ac 2 -filter_complex amerge=inputs=2 output.mp4 | |
# Source: https://stackoverflow.com/a/36120894 | |
# Get last x second | |
ffmpeg -sseof -10 -i input.mp4 output.mp4 | |
# Source: https://superuser.com/a/933310 | |
# Reduce file size | |
ffmpeg -i input.avi -c:v libx264 -crf 18 -preset veryslow -c:a copy out.mp4 | |
# Source: https://stackoverflow.com/questions/9913032/how-can-i-extract-audio-from-video-with-ffmpeg | |
# Extract audio to a separate file | |
ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac | |
ffmpeg -i sample.avi -q:a 0 -map a sample.mp3 # re-encoding with mp3 | |
# Change audio sample rate and normalize its volume | |
# https://superuser.com/questions/323119/how-can-i-normalize-audio-using-ffmpeg | |
# https://superuser.com/questions/253467/convert-an-mp3-from-48000-to-44100-hz | |
ffmpeg -i video-in -ar 48000 -filter:a loudnorm -vcodec copy video-out |
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