TODO: Activate IPFS Video/Audio Streaming
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#!/usr/bin/env bash
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########################################################################
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exit 0
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########################################################################
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### REWRITE NEEDED
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########################################################################
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set -e
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BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# Enable camera on the Raspberry Pi
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# sudo "$BASE_DIR/enable-camera.sh"
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# Install ffmpeg and supporting tools
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sudo apt-get install -y ffmpeg lsof inotify-tools nginx
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# Copy placeholder for audio-only streams
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cp "$BASE_DIR/audio.jpg" "$HOME/audio.jpg"
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# Add user to be able to modify nginx directories
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sudo usermod -a -G "$USER" www-data
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sudo chmod g+rw /var/www/html
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# TODO: why is this needed?
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sudo chmod a+rw /var/www/html
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sudo cp -f "$BASE_DIR/process-stream.sh" /usr/bin/process-stream.sh
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sudo cp -f "$BASE_DIR/process-stream.service" /etc/systemd/system/process-stream.service
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sudo systemctl daemon-reload
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sudo systemctl enable process-stream
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# Add hourly job to clear out old data
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# echo "41 * * * * $USER /usr/local/bin/ipfs repo gc" | sudo tee --append /etc/crontab
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# Install the ipfs video player
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mkdir "$BASE_DIR/tmp"
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current_dir="$(pwd)"
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git clone https://github.com/tomeshnet/ipfs-live-streaming.git "$BASE_DIR/tmp/ipfs-live-streaming"
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cd "$BASE_DIR/tmp/ipfs-live-streaming"
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git checkout b9be352582317e5336ddd7183ecf49042dafb33e
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cd "$current_dir"
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VIDEO_PLAYER_PATH="$BASE_DIR/tmp/ipfs-live-streaming/terraform/shared/video-player"
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sed -i s#__IPFS_GATEWAY_SELF__#/ipfs/# "$VIDEO_PLAYER_PATH/js/common.js"
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sed -i s#__IPFS_GATEWAY_ORIGIN__#https://ipfs.io/ipfs/# "$VIDEO_PLAYER_PATH/js/common.js"
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IPFS_ID=$(ipfs id | grep ID | head -n 1 | awk -F\" '{print $4}')
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sed -i "s#live.m3u8#/ipns/$IPFS_ID#" "$VIDEO_PLAYER_PATH/js/common.js"
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sed -i s#__M3U8_HTTP_URLS__#\ # "$VIDEO_PLAYER_PATH/js/common.js"
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cp -r "$VIDEO_PLAYER_PATH" /var/www/html/video-player
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rm -rf "$BASE_DIR/tmp"
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# Add entry into nginx home screen
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APP="<div class='app'><h2>IPFS Pi Stream Player</h2>IPFS Video player for Pi Stream. <br />M3U8 Stream located <a href='/ipns/$IPFS_ID'>over ipns</a> <br/><a href='/video-player/'>Go </a> and play with built in video player</div>"
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sudo sed -i "s#<\!--APPLIST-->#$APP\n<\!--APPLIST-->#" "/var/www/html/index.html"
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## ACTIVATE nginx rtmp
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# GUIDES
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# https://bartsimons.me/nginx-rtmp-streaming-server-installation-guide/
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# https://blog.100tb.com/how-to-set-up-an-rtmp-server-on-ubuntu-linux-using-nginx
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# https://obsproject.com/forum/resources/how-to-set-up-your-own-private-rtmp-server-using-nginx.50/
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# https://www.hostwinds.com/guide/live-streaming-from-a-vps-with-nginx-rtmp/
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# CONFIG
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# https://github.com/arut/nginx-rtmp-module/wiki/Directives
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# https://github.com/arut/nginx-rtmp-module/wiki/Directives#hls_variant
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printf "
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rtmp {
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server {
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listen 1935;
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chunk_size 8192;
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application vod {
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play $HOME/live;
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}
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application stream {
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live on;
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record off;
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allow publish 127.0.0.1;
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deny publish all;
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allow play all;
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}
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application src {
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live on;
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exec_push ffmpeg -i rtmp://localhost/src/$name -vcodec libx264 -vprofile baseline -g 10 -s 300x200 -acodec aac -ar 44100 -ac 1 -f flv rtmp://localhost/hls/$name 2>>/var/log/ffmpeg-$name.log;
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}
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}
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}
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" | sudo tee -a /etc/nginx/nginx.conf
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[Unit]
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Description=Service to process RTMP stream
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Wants=network.target
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After=ipfs.service
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[Service]
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Type=simple
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User=pi
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Group=pi
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ExecStart=/usr/bin/process-stream.sh
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ExecStop=/bin/kill -s QUIT $MAINPID
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Restart=on-failure
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RestartSec=10s
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[Install]
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WantedBy=multi-user.target
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#!/usr/bin/env bash
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HLS_TIME=40
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M3U8_SIZE=3
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IPFS_GATEWAY="http://127.0.0.1:8080"
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echo "Astroport stream is playing on star_1 : https://tube.copylaradio.com/ipns/$(ipfs key list -l | grep star_1 | cut -d ' ' -f 1)"
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# Load settings
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# Prepare Pi Camera
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# sudo modprobe bcm2835-v4l2
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# sudo v4l2-ctl --set-ctrl video_bitrate=100000
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function startFFmpeg() {
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while true; do
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mv /tmp/ffmpeg.log /tmp/ffmpeg.1
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echo 1 > /tmp/stream-reset
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# Stream WebCamera
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#ffmpeg -f pulse -i 1 -f video4linux2 -video_size 1280x720 -framerate 25 -i /dev/video0 -hls_time "${HLS_TIME}" "${what}.m3u8" > /tmp/ffmpeg.log 2>&1
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ffmpeg -f pulse -i 1 -f video4linux2 -video_size 720x480 -framerate 25 -i /dev/video0 -hls_time "${HLS_TIME}" "${what}.m3u8" > /tmp/ffmpeg.log 2>&1
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## MORE SOURCES
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# http://4youngpadawans.com/stream-camera-video-and-audio-with-ffmpeg/
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## STILL BAD :: ffmpeg -f v4l2 -i /dev/video0 -f alsa -i hw:0 -profile:v high -pix_fmt yuvj420p -level:v 4.1 -preset ultrafast -tune zerolatency -vcodec libx264 -r 10 -b:v 512k -s 640x360 -acodec aac -strict -2 -ac 2 -ab 32k -ar 44100 -f mpegts -flush_packets 0 -hls_time "${HLS_TIME}" "${what}.m3u8" > /tmp/ffmpeg.log 2>&1
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################ GOOD ?
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# Stream FM Station from a SDR module (see contrib/pi-stream to install drivers)
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# Frequency ends in M IE 99.9M
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# rtl_fm -f 99.9M -M fm -s 170k -A std -l0 -E deemp -r 44.1k | ffmpeg -r 15 -loop 1 -i ../audio.jpg -f s16le -ac 1 -i pipe:0 -c:v libx264 -tune stillimage -preset ultrafast -hls_time "${HLS_TIME}" "${what}.m3u8" > /tmp/ffmpeg 2>&1
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sleep 0.5
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done
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}
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# Create directory for HLS content
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currentpath="$HOME/live"
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sudo umount "${currentpath}"
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rm -rf "${currentpath}"
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mkdir "${currentpath}"
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sudo mount -t tmpfs tmpfs "${currentpath}"
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# shellcheck disable=SC2164
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cd "${currentpath}"
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what="$(date +%Y%m%d%H%M)-LIVE"
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echo "STARTING $what"
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# Start ffmpeg in background
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startFFmpeg &
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while true; do
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#TODO# Fix this one
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# shellcheck disable=SC2086,SC2012
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nextfile=$(ls -tr ${what}*.ts 2>/dev/null | head -n 1)
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if [ -n "${nextfile}" ]; then
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# Check if the next file on the list is still being written to by ffmpeg
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if lsof "${nextfile}" | grep -1 ffmpeg; then
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# Wait for file to finish writing
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# If not finished in 45 seconds something is wrong, timeout
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inotifywait -e close_write "${nextfile}" -t ${HLS_TIME}
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fi
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# Grab the timecode from the m3u8 file so we can add it to the log
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timecode=$(grep -B1 "${nextfile}" "${what}.m3u8" | head -n1 | awk -F : '{print $2}' | tr -d ,)
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attempts=5
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until [[ "${timecode}" || ${attempts} -eq 0 ]]; do
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# Wait and retry
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sleep 0.5
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timecode=$(grep -B1 "${nextfile}" "${what}.m3u8" | head -n1 | awk -F : '{print $2}' | tr -d ,)
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attempts=$((attempts-1))
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done
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if ! [[ "${timecode}" ]]; then
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# Set approximate timecode
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timecode="${HLS_TIME}.000000"
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fi
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reset_stream=$(cat /tmp/stream-reset)
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reset_stream_marker=''
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if [[ ${reset_stream} -eq '1' ]]; then
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reset_stream_marker=" #EXT-X-DISCONTINUITY"
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fi
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echo 0 > /tmp/stream-reset
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# Current UTC date for the log
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time=$(date "+%F-%H-%M-%S")
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echo "Add ts file to IPFS"
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ret=$(ipfs add --pin=false "${nextfile}" 2>/dev/null > /tmp/tmp.txt; echo $?)
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attempts=5
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until [[ ${ret} -eq 0 || ${attempts} -eq 0 ]]; do
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# Wait and retry
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sleep 0.5
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ret=$(ipfs add --pin=false "${nextfile}" 2>/dev/null > /tmp/tmp.txt; echo $?)
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echo "$attempts RETRY"
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attempts=$((attempts-1))
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done
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if [[ ${ret} -eq 0 ]]; then
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# Update the log with the future name (hash already there)
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echo "$(cat /tmp/tmp.txt) ${time}.ts ${timecode}${reset_stream_marker}" >> /tmp/process-stream.log
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# Remove nextfile and tmp.txt
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rm -f "${nextfile}" /tmp/tmp.txt
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# Write the m3u8 file with the new IPFS hashes from the log
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totalLines="$(wc -l /tmp/process-stream.log | awk '{print $1}')"
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sequence=0
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if ((totalLines>M3U8_SIZE)); then
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sequence=$((totalLines-M3U8_SIZE))
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fi
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{
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echo "#EXTM3U"
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echo "#EXT-X-VERSION:3"
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echo "#EXT-X-TARGETDURATION:${HLS_TIME}"
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echo "#EXT-X-MEDIA-SEQUENCE:${sequence}"
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} > current.m3u8
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tail -n ${M3U8_SIZE} /tmp/process-stream.log | awk '{print $6"#EXTINF:"$5",\n'${IPFS_GATEWAY}'/ipfs/"$2}' | sed 's/#EXT-X-DISCONTINUITY#/#EXT-X-DISCONTINUITY\n#/g' >> current.m3u8
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echo 'Add m3u8 file to IPFS and IPNS publish'
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m3u8hash=$(ipfs add current.m3u8 | awk '{print $2}')
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ipfs name publish --key='star_1' --timeout=5s "${m3u8hash}" &
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# Copy files to web server
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cat current.m3u8
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# cp current.m3u8 /var/www/html/live.m3u8
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# cp /tmp/process-stream.log /var/www/html/live.log
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fi
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else
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sleep 5
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fi
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done
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#!/usr/bin/env bash
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## TO CONTROL & REWRITE
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exit 0
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set -e
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BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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sudo systemctl stop process-stream
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sudo systemctl disable process-stream
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sudo rm -f /usr/bin/process-stream.sh
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sudo rm -f /etc/systemd/system/process-stream.service
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sudo systemctl daemon-reload
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# Remove ffmpeg and supporting tools
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sudo apt-get -y remove ffmpeg lsof inotify-tools
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# Revert permissions
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sudo chmod 755 /var/www/html
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sed -i "/ipfs repo gc/d" | sudo tee --append /etc/crontab
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