5 if [ "$BASH_VERSION" = "" ];then
6 echo "This sctipt must be run with Bash, try 'bash $0'";
10 # Copyright (C) 2020 Ruben Rodriguez <ruben@gnu.org>
12 # This program is free software; you can redistribute it and/or modify
13 # it under the terms of the GNU General Public License as published by
14 # the Free Software Foundation; either version 2 of the License, or
15 # (at your option) any later version.
17 # This program is distributed in the hope that it will be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 # GNU General Public License for more details.
22 # You should have received a copy of the GNU General Public License
23 # along with this program; if not, write to the Free Software
24 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 # A simple script to capture your desktop and microphone into a file and an icecast2 streaming server
28 # Streamer side dependencies: wmctrl gstreamer1.0-tools gstreamer1.0-plugins-good gstreamer1.0-pulseaudio pulseaudio ffmpeg
29 # sudo apt-get install wmctrl gstreamer1.0-tools gstreamer1.0-plugins-good gstreamer1.0-pulseaudio pulseaudio ffmpeg
31 # Server side dependencies: icecast2
33 if ! [ -f config
]; then
34 echo Copy .
/config.example into .
/config
, and edit it to
set up your server
, password
, and other parameters
39 DATE
=$
(date +%Y-
%m-
%d-
%H_
%M_
%S
)
41 [ "$MOUNT" = "" ] && MOUNT
=recording
45 The title parameter will be used for the name of the mount, and the name of the file saved:
46 http://$SERVER/$MOUNT.webm
47 File saved locally to ./$MOUNT-${DATE}.webm
48 Log saved to $MOUNT-${DATE}.log
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.
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.
54 0: Capture FULL SCREEN
58 WINDOWLIST
="$(wmctrl -l)"
60 echo "$WINDOWLIST" |
while read line
63 name
=$
(echo $line| cut
-d' ' -f 4-)
69 echo "Select the window to capture, or press enter to capture the whole screen"
72 XID
=$
(echo "$WINDOWLIST" |
sed -n "${SELECTION}p" |
sed 's/ .*//')
74 if [ "$SELECTION" = 0 ] ||
[ "$SELECTION" = "" ] ; then
81 # The video needs to be processed after recording
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
90 echo Use
$MOUNT-${DATE}.webm
for publishing
, you can delete
$MOUNT-${DATE}.webm.bak
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
97 echo STARTING STREAM
in 2 seconds. Press CTRL
+C to end the session.
99 echo Streaming
at http
://$SERVER/recording.webm
102 # GSTREAMER 1.0 pipeline for capture, save to file, and stream to icecast2
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