ffmpeg Recipes

A list of useful receipes when using ffmpeg. A dump for future references.

  1. Extract frames from video:

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     #!/bin/zsh

 # Find all .mp4 files in the current directory and store them in an array
 input_files=(*.mp4)

 # Loop through each input file
 for input_file in "${input_files[@]}"
 do
 # Get the path to the input file directory
 input_dir="$(dirname "$input_file")"

 # Create a folder for the input file images in the same directory as the input file
 folder_name="${input_file%.*}_images"
 output_dir="$input_dir/$folder_name"
 mkdir -p "$output_dir"

 # Extract images from the input file and save them to the folder
 ffmpeg -i "$input_file" -r 1 "$output_dir/output_%03d.png"
 done

  2. combine video.mp4 and audio.mp4 to a single video.

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    ffmpeg -i video.mp4 -i audio.mp4 -c copy -map 0:0 -map 1:1 -shortest combined.mp4

  3. convert .h265 video to .h264

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    ffmpeg -i video1.mov -vcodec h264 -acodec mp2 video1.mp4