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noboomu/gist:771871fcb989c31bc231614beb6ce422

Last active November 7, 2024 01:48
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Revisions

  1. noboomu revised this gist Nov 7, 2024. 1 changed file with 22 additions and 40 deletions.
    62 changes: 22 additions & 40 deletions gistfile1.txt
    View file
    Original file line number Diff line number Diff line change
    @@ -15,54 +15,36 @@ mkdir $VIDEO_NAME
    cd $VIDEO_NAME

    cp ../$1 .

    ffmpeg -i $1 -vf scale=1280:720 -c:v libx264 -b:v 2500k -an 720p.mp4

    ffmpeg -i $1 -vf scale=854:480 -c:v libx264 -b:v 1500k -an 480p.mp4

    ffmpeg -i $1 -vf scale=640:360 -c:v libx264 -b:v 800k -an 360p.mp4

    echo "Renditions created. Encoding..."

    resolutions=("720p" "480p" "360p")

    for resolution in "${resolutions[@]}"; do
    echo "generating $resolution stream"
    mkdir ./$resolution
    cd ./$resolution

    ffmpeg -i "../$resolution.mp4" \
    -c:v libx264 -preset veryfast -tune zerolatency \
    -g 60 -sc_threshold 0 \
    -hls_time 2 \
    -hls_flags split_by_time \
    -hls_segment_type fmp4 \
    -hls_playlist_type vod \
    -hls_segment_filename "./$resolution_%03d.m4s" \
    "$resolution.m3u8"

    cd ..

    done

    ffmpeg -i $1 \
    -filter_complex \
    "[0:v]split=3[v1][v2][v3]; \
    [v1]scale=w=1280:h=768[v1out]; \
    [v2]scale=w=800:h=480[v2out]; \
    [v3]scale=w=600:h=360[v3out]" \
    -map [v1out] -b:v:0 2800k -maxrate:v:0 2996k -bufsize:v:0 4200k -c:v:0 libx265 -threads 12 -cpu-used 4 -movflags +faststart -preset veryfast -g 48 -sc_threshold 0 \
    -map [v2out] -b:v:1 1400k -maxrate:v:1 1498k -bufsize:v:1 2100k -c:v:1 libx265 -threads 12 -cpu-used 4 -movflags +faststart -preset veryfast -g 48 -sc_threshold 0 \
    -map [v3out] -b:v:2 800k -maxrate:v:2 898k -bufsize:v:2 900k -c:v:2 libx265 -threads 12 -cpu-used 4 -movflags +faststart -preset veryfast -g 48 -sc_threshold 0 \
    -f hls \
    -hls_time 2 \
    -hls_playlist_type vod \
    -hls_segment_type fmp4 \
    -hls_flags split_by_time \
    -master_pl_name master.m3u8 \
    -var_stream_map "v:0 v:1 v:2" \
    -hls_segment_filename "rendition_%v/segment_%03d.m4s" \
    rendition_%v/playlist.m3u8

    echo "Rendition streams generated"


    IMAGE_NAME="$VIDEO_NAME"-poster.jpg

    echo "image name $IMAGE_NAME"

    echo "image name $IMAGE_NAME"

    ffmpeg -i $1 -vf "select=eq(n\,0)" -q:v 2 -frames:v 1 $IMAGE_NAME

    jpegoptim -q -m50 $IMAGE_NAME

    rm -rf *.mp4
    rm $1

    echo "#EXTM3U
    #EXT-X-STREAM-INF:BANDWIDTH=2500000,RESOLUTION=1280x720
    720p/720p.m3u8
    #EXT-X-STREAM-INF:BANDWIDTH=1500000,RESOLUTION=854x480
    480p/480p.m3u8
    #EXT-X-STREAM-INF:BANDWIDTH=800000,RESOLUTION=640x360
    360p/360p.m3u8" > master.m3u8

  2. noboomu created this gist Nov 5, 2024.
    68 changes: 68 additions & 0 deletions gistfile1.txt
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,68 @@
    #!/bin/bash

    # arg 1 is filename arg 2 is output directory

    FILENAME=$1

    VIDEO_NAME=`echo "${FILENAME%.*}"`

    echo "Generating renditions for $VIDEO_NAME"

    [ -d "$VIDEO_NAME" ] && rm -rf "$VIDEO_NAME"

    mkdir $VIDEO_NAME

    cd $VIDEO_NAME

    cp ../$1 .

    ffmpeg -i $1 -vf scale=1280:720 -c:v libx264 -b:v 2500k -an 720p.mp4

    ffmpeg -i $1 -vf scale=854:480 -c:v libx264 -b:v 1500k -an 480p.mp4

    ffmpeg -i $1 -vf scale=640:360 -c:v libx264 -b:v 800k -an 360p.mp4

    echo "Renditions created. Encoding..."

    resolutions=("720p" "480p" "360p")

    for resolution in "${resolutions[@]}"; do
    echo "generating $resolution stream"
    mkdir ./$resolution
    cd ./$resolution

    ffmpeg -i "../$resolution.mp4" \
    -c:v libx264 -preset veryfast -tune zerolatency \
    -g 60 -sc_threshold 0 \
    -hls_time 2 \
    -hls_flags split_by_time \
    -hls_segment_type fmp4 \
    -hls_playlist_type vod \
    -hls_segment_filename "./$resolution_%03d.m4s" \
    "$resolution.m3u8"

    cd ..

    done

    echo "Rendition streams generated"


    IMAGE_NAME="$VIDEO_NAME"-poster.jpg

    echo "image name $IMAGE_NAME"


    ffmpeg -i $1 -vf "select=eq(n\,0)" -q:v 2 -frames:v 1 $IMAGE_NAME

    jpegoptim -q -m50 $IMAGE_NAME

    rm -rf *.mp4

    echo "#EXTM3U
    #EXT-X-STREAM-INF:BANDWIDTH=2500000,RESOLUTION=1280x720
    720p/720p.m3u8
    #EXT-X-STREAM-INF:BANDWIDTH=1500000,RESOLUTION=854x480
    480p/480p.m3u8
    #EXT-X-STREAM-INF:BANDWIDTH=800000,RESOLUTION=640x360
    360p/360p.m3u8" > master.m3u8