90 lines
3.1 KiB
Bash
Executable file
90 lines
3.1 KiB
Bash
Executable file
#!/bin/bash
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REPLAY_RESOLUTION=1280x720
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LIVE_RESOLUTION=854x480
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VBITRATE=2048
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ABITRATE=128
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V4LDEVICE=0
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FPS=10
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if [[ $# -lt 3 ]] ; 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 the rtmp port as the second and the streaming key as the third" >&2
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echo " " >&2
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echo "syntax: " >&2
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echo " $(basename $0) <peertube-server> <rtmp port> <streaming-key> <replay resolution> <live resolution> <frames per seconds> <video-bitrate-kbps> <audio-bitrate-kbps> <v4ldevice>" >&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 1935 69ac2d29-eba4-4d5f-a3a6-6047e6768ffb $REPLAY_RESOLUTION $LIVE_RESOLUTION $FPS $VBITRATE $ABITRATE $V4LDEVICE" >&2
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exit 1
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fi
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URL=rtmp://$1:$2/live/$3
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if [[ ! -z "$4" ]]
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then
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REPLAY_RESOLUTION="$4"
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fi
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if [[ ! -z "$5" ]]
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then
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LIVE_RESOLUTION="$5"
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fi
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if [[ ! -z "$6" ]]
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then
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FPS="$6"
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fi
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if [[ ! -z "$7" ]]
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then
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VBITRATE="$7"
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fi
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BUFFERSIZE=$(echo "2*${VBITRATE}" | bc)
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if [[ ! -z "$8" ]]
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then
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ABITRATE="$8"
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fi
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if [[ ! -z "$9" ]]
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then
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V4LDEVICE="$9"
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fi
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FILENAME=${1}-cam${V4LDEVICE}
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echo " "
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echo Will stream to $URL
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echo and save a copy of the data file :
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echo $FILENAME
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# A la ligne 76, utiliser cette ligne pour avoir un son de test généré par ffmpeg :
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# -f lavfi -i aevalsrc="(1-min(1\,mod(floor(5*t)\,50)))*0.1*sin(8*PI*(360-2.5/2)*t)+0.1*sin(2*PI*(360-2.5/2)*t)|(1-min(1\,mod(floor(5*t)\,50)))*0.1*sin(8*PI*(360+2.5/2)*t)+0.1*sin(2*PI*(360+2.5/2)*t):sample_rate=48000" \
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# A la ligne 76, utiliser cette ligne pour avoir le son de la caméra :
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#-f alsa -ac 2 -i hw:CARD=CAMERA,DEV=${V4LDEVICE} \
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ffmpeg \
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-loglevel level \
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-y \
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-f v4l2 -framerate ${FPS} -video_size ${REPLAY_RESOLUTION} -input_format mjpeg -i /dev/video${V4LDEVICE} \
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-f lavfi -i aevalsrc="(1-min(1\,mod(floor(5*t)\,50)))*0.1*sin(8*PI*(360-2.5/2)*t)+0.1*sin(2*PI*(360-2.5/2)*t)|(1-min(1\,mod(floor(5*t)\,50)))*0.1*sin(8*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]drawtext='font=DejaVuSansMono:text=%{pts}: fontcolor=white: fontsize=h/12: box=1: boxcolor=black@0.43: 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=text_h/2', drawtext='font=DejaVuSansMono:text=%{localtime}: fontcolor=white: fontsize=h/20: box=1: boxcolor=black@0.43: boxborderw=5: x=text_h: y=h-3*text_h/2', split=2[out1][out2]" \
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-codec:v libx264 \
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-preset fast \
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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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-g 1 -segment_format_options movflags=+frag_keyframe+empty_moov+default_base_moof -segment_time 5 -f segment \
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-flags +global_header \
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-map '[out1]' -s ${LIVE_RESOLUTION} -map 1:a -f flv ${URL} \
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-map '[out2]' -s ${REPLAY_RESOLUTION} -map 1:a -f matroska \
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-f segment -segment_time 10:00 -reset_timestamps 1 \
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-strftime 1 "${FILENAME}_%Y-%m-%d_%H-%M-%S.mkv"
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