84 lines
2.5 KiB
Bash
84 lines
2.5 KiB
Bash
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#!/bin/bash
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DURATION=300
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RESOLUTION=1280x720
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VBITRATE=4096
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ABITRATE=160
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if [[ $# -lt 2 ]] ; then
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echo "Not enough arguments supplied" >&2
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echo "You need to pass at least the PeerTube server name as the " >&2
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echo "first parameter and the streaming key as the second" >&2
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echo " " >&2
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echo "syntax: " >&2
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echo " $(basename $0) <peertube-server> <streaming-key> <duration-in-sec> <resolution> <video-bitrate-kbps> <audio-bitrate-kbps>" >&2
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echo " " >&2
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echo "other parameters are optional and will default to the " >&2
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echo "values in the following example :" >&2
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echo " `basename $0` tube.example.com 69ac2d29-eba4-4d5f-a3a6-6047e6768ffb $DURATION $RESOLUTION $VBITRATE $ABITRATE" >&2
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exit 1
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fi
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URL=rtmp://$1:1935/live/$2
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if [[ ! -z "$3" ]]
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then
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DURATION="$3"
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fi
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if [[ ! -z "$4" ]]
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then
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RESOLUTION="$4"
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fi
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if [[ ! -z "$5" ]]
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then
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VBITRATE="$5"
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fi
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BUFFERSIZE=$(echo "2*${VBITRATE}" | bc)
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if [[ ! -z "$6" ]]
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then
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ABITRATE="$6"
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fi
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FILENAME=live-random-${1}-${RESOLUTION}p-${DURATION}s-${VBITRATE}kbps-${ABITRATE}kbps-${2}.mkv
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echo " "
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echo Will stream to $URL for $DURATION seconds
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echo and save a copy of the data sent to the peertube server to file :
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echo $FILENAME
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echo with :
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echo "- $RESOLUTION resolution, "
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echo "- $VBITRATE kbit/s constant video bitrate, "
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echo "- $BUFFERSIZE kbit video buffer and "
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echo "- $ABITRATE kbit/s audio bitrate"
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echo " "
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$
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#-x264opts nal-hrd=cbr:force-cfr=1:vbv-bufsize=${BUFFERSIZE}:bitrate=${VBITRATE}:vbv-maxrate=${VBITRATE} \
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#-shortest \
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ffmpeg \
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-loglevel level \
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-s ${RESOLUTION} \
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-loop 1 \
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-r 30 \
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-y \
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-ac 2 \
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-i Mire_1080p.png \
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-re \
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-f lavfi \
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-i aevalsrc="0.1*sin(2*PI*(360-2.5/2)*t)|0.1*sin(2*PI*(360+2.5/2)*t):sample_rate=48000" \
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-channel_layout stereo \
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-ar 48000 \
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-pixel_format yuv420p \
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-filter_complex "[1:a]volume=-10dB;[0:v]scale='size=${RESOLUTION}',drawtext='font=FreeMono:text=%{pts}: fontcolor=white: fontsize=h/7: box=1: boxcolor=black@0.73: boxborderw=5: x=mod(floor(t/10+1)\,2)*mod(t*(w-text_w)/10\,w-text_w)+mod(floor(t/10)\,2)*(w-text_w-mod(t*(w-text_w)/10\,w-text_w)): y=h/2-3*text_h/2', drawtext='font=FreeMono:text=%{localtime}: fontcolor=white: fontsize=h/7: box=1: boxcolor=black@0.73: boxborderw=5: x=(w-text_w)/2: y=h/2+3*text_h/2'" \
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-codec:v libx264 \
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-preset superfast \
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-x264opts nal-hrd=cbr:force-cfr=1:vbv-bufsize=${BUFFERSIZE}:bitrate=${VBITRATE}:vbv-maxrate=${VBITRATE} \
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-c:a aac -b:a ${ABITRATE}k \
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-t ${DURATION} \
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-flags +global_header \
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-f tee -map 0:v -map 1:a "[f=matroska]${FILENAME}|[f=flv]${URL}"
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