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1 | #!/bin/bash |
2 | ||
3 | set -e | |
4 | ||
5 | if [ "$BASH_VERSION" = "" ];then | |
6 | echo "This sctipt must be run with Bash, try 'bash $0'"; | |
7 | exit 1 | |
8 | fi | |
9 | ||
10 | # Copyright (C) 2020 Ruben Rodriguez <ruben@gnu.org> | |
11 | # | |
12 | # This program is free software; you can redistribute it and/or modify | |
13 | # it under the terms of the GNU General Public License as published by | |
14 | # the Free Software Foundation; either version 2 of the License, or | |
15 | # (at your option) any later version. | |
16 | # | |
17 | # This program is distributed in the hope that it will be useful, | |
18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | # GNU General Public License for more details. | |
21 | # | |
22 | # You should have received a copy of the GNU General Public License | |
23 | # along with this program; if not, write to the Free Software | |
24 | # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
25 | ||
26 | # A simple script to capture your desktop and microphone into a file and an icecast2 streaming server | |
27 | ||
28 | # Streamer side dependencies: wmctrl gstreamer1.0-tools gstreamer1.0-plugins-good gstreamer1.0-pulseaudio pulseaudio ffmpeg | |
29 | # sudo apt-get install wmctrl gstreamer1.0-tools gstreamer1.0-plugins-good gstreamer1.0-pulseaudio pulseaudio ffmpeg | |
30 | ||
31 | # Server side dependencies: icecast2 | |
32 | ||
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33 | if ! [ -f config ]; then |
34 | echo Copy ./config.example into ./config, and edit it to set up your server, password, and other parameters | |
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35 | exit 1 |
36 | fi | |
a37d48a3 | 37 | . config |
902f8a5f | 38 | |
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39 | DATE=$(date +%Y-%m-%d-%H_%M_%S) |
40 | MOUNT=$1 | |
41 | [ "$MOUNT" = "" ] && MOUNT=recording | |
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42 | |
43 | cat << EOF | |
44 | Usage: $0 [title] | |
45 | The title parameter will be used for the name of the mount, and the name of the file saved: | |
46 | http://$SERVER/$MOUNT.webm | |
47 | File saved locally to ./$MOUNT-${DATE}.webm | |
48 | Log saved to $MOUNT-${DATE}.log | |
49 | ||
50 | AUDIO INPUT: this script will record and stream the audio from the default input selection in Pulseaudio. Click on the volume icon in your desktop environment, go to settings, then input, and select the appropriate device and input level. | |
51 | ||
eeed1a54 | 52 | SCREEN SELECTION. Note: broadcasting a single window may crash if you minimize or resize the screen after the streaming starts! If you have issues with this, select 0 to broadcast the full screen, but remember to close or hide any privacy-sensitive windows." If the stream is just an empty black square, make sure your desktop is running X11, not Wayland or others. |
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53 | |
54 | 0: Capture FULL SCREEN | |
55 | EOF | |
56 | ||
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57 | # Window selector |
58 | WINDOWLIST="$(wmctrl -l)" | |
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59 | i=1 |
60 | echo "$WINDOWLIST" |while read line | |
61 | do | |
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62 | echo -n "$i: " |
63 | name=$(echo $line| cut -d' ' -f 4-) | |
64 | echo $name | |
65 | i=$(expr $i + 1) | |
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66 | done |
67 | ||
68 | echo | |
69 | echo "Select the window to capture, or press enter to capture the whole screen" | |
70 | read -s -n1 SELECTION | |
71 | ||
72 | XID=$(echo "$WINDOWLIST" | sed -n "${SELECTION}p" | sed 's/ .*//') | |
73 | ||
74 | if [ "$SELECTION" = 0 ] || [ "$SELECTION" = "" ] ; then | |
eeed1a54 | 75 | XPARAM="" |
902f8a5f | 76 | else |
eeed1a54 | 77 | XPARAM="xid=$XID" |
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78 | fi |
79 | ||
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80 | |
81 | # The video needs to be processed after recording | |
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82 | trap ctrl_c INT |
83 | ctrl_c() { | |
84 | echo | |
85 | echo -n "Remuxing streamed video... " | |
86 | mv $MOUNT-${DATE}.webm $MOUNT-${DATE}.webm.bak | |
87 | ffmpeg -i $MOUNT-${DATE}.webm.bak -acodec copy -vcodec copy $MOUNT-${DATE}.webm >> $MOUNT-${DATE}.log 2>&1 | |
88 | echo done. | |
89 | echo | |
90 | echo Use $MOUNT-${DATE}.webm for publishing, you can delete $MOUNT-${DATE}.webm.bak | |
91 | echo | |
92 | echo "You can trim the beginning and end of the video with this command (replace the timestamps, HH:MM:SS):" | |
93 | echo ffmpeg -i $MOUNT-${DATE}.webm -acodec copy -vcodec copy -ss 00:19:27 -to 02:18:51 trimmed.webm | |
94 | } | |
95 | ||
eeed1a54 | 96 | |
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97 | echo STARTING STREAM in 2 seconds. Press CTRL+C to end the session. |
98 | sleep 2 | |
99 | echo Streaming at http://$SERVER/recording.webm | |
100 | echo | |
101 | ||
eeed1a54 | 102 | # GSTREAMER 1.0 pipeline for capture, save to file, and stream to icecast2 |
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103 | gst-launch-1.0 --eos-on-shutdown ximagesrc use-damage=false $XPARAM show-pointer=$SHOWPOINTER \ |
104 | ! videorate ! video/x-raw,framerate=$FRAMERATE/1 \ | |
105 | ! videoscale ! video/x-raw, width=$WIDTH, height=$HEIGHT \ | |
106 | ! videoconvert ! queue ! vp8enc target_bitrate=$BITRATE cpu-used=0 deadline=1 threads=4 keyframe-max-dist=15 ! queue ! mux. \ | |
107 | pulsesrc ! vorbisenc quality=$SOUNDQUALITY ! queue ! mux. \ | |
108 | webmmux streamable=true name=mux ! tee name=stream ! queue ! filesink location=$MOUNT-${DATE}.webm sync=false \ | |
109 | stream. ! queue max-size-time=0 max-size-bytes=135528448 max-size-buffers=0 ! shout2send ip=$SERVER port=$PORT mount=$MOUNT.webm password=$PASSWORD sync=false \ | |
110 | 2>&1 | tee $MOUNT-${DATE}.log | |
111 | ||
112 |