ffmpeg extensions

~.zshrc

function ffprobe_frames() {
  echo "All frames:"
  ffprobe -hide_banner -loglevel error -show_frames -of compact=p=0 "$1" |
  awk -F'|' '{
    printf "    Frame:\n";
    for(i=1; i<=NF; i++){
      split($i, a, "=");
      printf "\t%s: %s\n", a[1], a[2];
    };
    printf "\n";
  }'
}

function ffprobe_audio_frames() {
  echo "First and last audio frames:"
  ffprobe -hide_banner -loglevel error -select_streams a -show_frames -of compact=p=0 "$1" |
  (head -n 1 && tail -n 1) |
  awk -F'|' '{
    printf "    Frame:\n";
    for(i=1; i<=NF; i++){
      split($i, a, "=");
      printf "\t%s: %s\n", a[1], a[2];
    };
    printf "\n";
  }'
}

function ffprobe_video_frames() {
  echo "First and last video frames:"
  ffprobe -hide_banner -loglevel error -select_streams v -show_frames -of compact=p=0 "$1" |
  (head -n 1 && tail -n 1) |
  awk -F'|' '{
    printf "    Frame:\n";
    for(i=1; i<=NF; i++){
      split($i, a, "=");
      printf "\t%s: %s\n", a[1], a[2];
    };
    printf "\n";
  }'
}

function ffprobe_dimensions() {
  ffprobe -select_streams v -show_frames -show_entries frame=width,height -of csv "$1"
}

function ffprobe_dimensions_most() {
  ffprobe -v error -select_streams v -show_frames -show_entries frame=width,height -of csv "$1" | \
awk -F',' '{print $2"x"$3}' | sort | uniq -c | sort -nr | head -n 1
}

function ffplay_side() {
  ffplay -f lavfi "movie='$1':sp=1 [left]; movie='$2':sp=1 [right]; [left][right] hstack, setpts=N/FRAME_RATE/TB"
}

function ffmpeg_side() {
  ffmpeg -i $1 -i $2 -filter_complex "[0:v]setpts=PTS-STARTPTS[left]; [1:v]setpts=PTS-STARTPTS[right]; [left][right]hstack" /tmp/output.mp4
}

function ffmpeg_frames() {
  filename=$(basename "$1")
  foldername="${filename%.*}"
  mkdir -p "$foldername"
  ffmpeg -i "$1" -qscale:v 2 "$foldername/${foldername}%03d.jpg"
}

function ffmpeg_av_mux() {
  ffmpeg -i $1 -i $2 -c copy -map 0:a -map 1:v -shortest $3
}