Remove old wip script - bitreich-tv - Meme TV encoding and streaming HTML git clone git://bitreich.org/bitreich-tv git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/bitreich-tv DIR Log DIR Files DIR Refs DIR Tags DIR LICENSE --- DIR commit 02c0fc491be147c4438d80ca59557b02fdffce21 DIR parent ac639f0d7f8feadca0ef246d65bcc039fd73e90a HTML Author: Anders Damsgaard <anders@adamsgaard.dk> Date: Sun, 16 Aug 2020 22:20:50 +0200 Remove old wip script Diffstat: D brtv-start.sh | 166 ------------------------------- 1 file changed, 0 insertions(+), 166 deletions(-) --- DIR diff --git a/brtv-start.sh b/brtv-start.sh @@ -1,166 +0,0 @@ -#!/bin/sh -# generate title animations and start streaming to server -# requirements: ffmpeg(1), convert(1) - -### CONFIGURATION START - -# intermediate playlist file -playlist="playlist_$(date +%Y-%m-%d)" - -# memecache source dir -memecache="$1" - -# converted memecache dir -memecache_conv="memecache_conv" - -# title animations dir -title="title" - -# ffmpeg flags for generated videos -video_ext="webm" -ffmpeg_codec="-loglevel error -acodec libopus -b:a 96K -vcodec libvpx -b:v 64k -f webm -vf scale=1280:-1 -r 30 -ac 2" -out_video="brtv_$(date +%Y-%m-%d).${video_ext}" -#out_video_duration="24:00:00" -out_video_duration="00:05:00" - -# target video resolution -video_resolution=1280x720 - -# slide style -bgcolor=magenta -fcolor=white - -# show image memes for this duration [s] -image_display_time=10 - -# show title slides for this duration [s] -title_display_time=5 - -### CONFIGURATION END - -pass="$(gpg2 -q -d icecastpass.gpg)" - -die() { - printf '%s: error: %s\n' "${0##*/}" "$1" >&2 - exit 1 -} - -regeximatch() { - printf '%s' "$1" | grep -iEq "$2" -} - -if [ $# -ne 1 ]; then - die "usage: ${0##*/} <memecache_path>" -fi - -fit_img_16_9() { - convert -resize "$video_resolution"\> -size "$video_resolution" "$1" \ - xc:"$bgcolor" +swap -gravity center -composite "$2" -} - -video_from_img() { - printf 'image to video %s -> %s\n' "$1" "$2" - ffmpeg -y \ - -f lavfi \ - -i anullsrc=r=48000 \ - -i "$1" \ - -t "${image_display_time}" \ - $ffmpeg_codec \ - "$2"; -} - -title_slide() { - img="$(basename "${1%.*}".png)" - printf 'title_slide %s -> %s\n' "$1" "$img" - convert -size "$video_resolution" "xc:${bgcolor}" \ - -pointsize 48 -fill "$fgcolor" \ - -gravity center -draw "text 0,0 '#${img%.*}'" "$img" - ffmpeg -y \ - -f lavfi \ - -i anullsrc=r=48000 \ - -i "$img" \ - -t "${title_display_time}" \ - $ffmpeg_codec \ - "$2" && rm "$img" -} - -video_conv() { - printf 'encode %s -> %s\n' "$1" "$2" - if ! regeximatch "$(file -ib "$f")" "^video\/"; then - die "input video $1 is invalid ($(file -b "$1"))" - fi - ffmpeg -y -i "$1" $ffmpeg_codec "$2" -} - -mkdir -p "$title" -mkdir -p "$memecache_conv" - -# generate video from each image -for f in "$memecache"/*.jpg \ - "$memecache"/*.jpeg \ - "$memecache"/*.JPG \ - "$memecache"/*.png \ - "$memecache"/*.PNG; do - out="${memecache_conv}/$(basename "${f%.*}.${video_ext}")" - if [ ! -f "$out" ]; then - if ! regeximatch "$(file -ib "$f")" "^image\/"; then - die "input image $f is invalid ($(file -b "$f"))" - fi - printf 'in: %s, out: %s\n' "$f" "$out" - fit_img_16_9 "$f" "${out%.*}.jpg" - video_from_img "${out%.${video_ext}}.jpg" "${out}" - fi -done - -# make animation for fallback stream -if [ ! -f "bitreich-tv.${video_ext}" ]; then - title_slide bitreich-tv bitreich-tv.${video_ext} -fi - -# make title slides for video and converted images and encode all video clips to common codec -for f in "$memecache"/*.mkv \ - "$memecache"/*.mp4 \ - "$memecache"/*.webm \ - "$memecache_conv"/*."${video_ext}"; do - - title_path="${title}/$(basename "${f%.*}.${video_ext}")" - [ ! -f "$title_path" ] && title_slide "$f" "$title_path" - - out="${memecache_conv}/$(basename "${f%.*}.${video_ext}")" - [ ! -f "$out" ] && video_conv "$f" "$out" -done - -# generate random playlist from converted memes and add title slides -find "$memecache_conv" -maxdepth 1 -name "*.webm" -type f | \ - sort -R | \ - awk -v memecachedir="$memecache" -v titledir="$title" ' - function add_title(s) { - sub(/memecache/, "title", s); - return s - } - {line=$0; - print "file \""add_title($line)"\""; - print "file \""$0"\""}' | sed "s/\"/'/g" > "$playlist" - -#printf '\nstarting fallback stream\n' -#ffmpeg -loglevel quiet \ -# -stream_loop -1 -i bitreich-tv.webm -# -f webm -codec copy -# icecast://source:${pass}@localhost:8000/brtvfallback - - -# encode daily video file -ffmpeg -n -f concat -safe 0 -i "$playlist" \ - -f "${video_ext}" -cluster_size_limit 2M -cluster_time_limit 5100 -content_type video/webm \ - -codec copy \ - -to "$out_video_duration" - "$video_out" - -printf '\nstarting stream\n' - -ffmpeg -f concat -safe 0 -stream_loop -1 -i "$video_out" \ - -f webm -cluster_size_limit 2M -cluster_time_limit 5100 -content_type video/webm \ - -analyzeduration 2M -probesize 2M \ - -codec copy \ - -deadline realtime -threads 4 \ - icecast://source:${pass}@adamsgaard.dk:3232/brtv