run-rav1e.sh

run-rav1e.sh

# currently broken in the 2-pass settings?

INFILE="$1"
FILE_HEIGHT=`ffprobe -hide_banner -show_entries stream=height -of csv=p=0:s=x "$INFILE"`

function ffmpeg() {
    LD_LIBRARY_PATH=/opt/ffmpeg/lib /opt/ffmpeg/bin/ffmpeg "$@"
}

function run() {
    WIDTH="$1"
    HEIGHT="$2"
    BITRATE="$3"
    TILES="$4"
    if [ "$FILE_HEIGHT" -ge "$HEIGHT" ]
    then
      ffmpeg -i "$INFILE" \
        -vf scale="$WIDTH":-1 \
        -f webm \
        -an \
        -strict -2 \
        -vcodec librav1e -tile-columns "$TILES" \
        -pass 1 -passlogfile pass-rav1e.log \
        -speed 2 \
        -g 240 \
        -b:v "$BITRATE" \
        -y /dev/null \
      && \
      ffmpeg -i "$INFILE" \
        -vf scale="$WIDTH":-1 \
        -f webm \
        -strict -2 \
        -acodec libopus -ar 48000 -ac 2 -b:a 96k \
        -vcodec librav1e -tile-columns "$TILES" \
        -pass 2 -passlogfile pass-rav1e.log \
        -speed 1 \
        -g 240 \
        -b:v "$BITRATE" \
        -y "$INFILE.rav1e.${HEIGHT}p.webm"
    fi
}

run 426 240 100k 1
run 640 360 225k 2
run 854 480 400k 2
run 1280 720 800k 3
run 1920 1080 1600k 3
run 2560 1440 2400k 4
run 3840 2160 4800k 4