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GENIVI AUDIOMANAGER
Copyright (C) 2011, BMW AG
Datum 20.05.2011
author Christian Müller (christian.ei.mueller@bmw.de)
***********************************************************************************************************
LICENSE
***********************************************************************************************************
GNU Lesser General Public License, version 2.1, with special exception (GENIVI clause)
Copyright (C) 2011, BMW AG – Christian Müller Christian.ei.mueller@bmw.de
This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License, version 2.1, for more details.
You should have received a copy of the GNU Lesser General Public License, version 2.1, along with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may also be applicable to programs even in cases in which the program is not a library in the technical sense.
Linking AudioManager statically or dynamically with other modules is making a combined work based on AudioManager. You may license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to license your linked modules under the GNU Lesser General Public License, version 2.1, you may use the program under the following exception.
As a special exception, the copyright holders of AudioManager give you permission to combine AudioManager with software programs or libraries that are released under any license unless such a combination is not permitted by the license of such a software program or library. You may copy and distribute such a system following the terms of the GNU Lesser General Public License, version 2.1, including this special exception, for AudioManager and the licenses of the other code concerned.
Note that people who make modified versions of AudioManager are not obligated to grant this special exception for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, version 2.1, gives permission to release a modified version without this exception; this exception also makes it possible to release a modified version which carries forward this exception.
Version 0.2
***********************************************************************************************************
COMPILE PROGRAMS
*********************************************************************************************************
You will need some packages in order to comile the GENIVI AudioManager Proof of Concept, these are:
-QT4
-automotive-dlt
-jack
-jackeq
-jack control
-dbus
-sqlite
-glib >=2.0
-gstreamer-base-0.10
-gstreamer-plugins-base-0.10
-gstreamer-plugins
-gstreamer0.10-pulseaudio
-gstreamer0.10-plugins-good
-phonon
-phonon-backend-gstreamer
-doxygen
More details in the CMake Files CmakeList.txt in the projects
on the top level of the folder you just received, there is a shall script "cmaker.sh" which can be invoked with a lot of different parameters. Invoking it with:
sh cmaker.sh all all
will create all neccessary folders and compile all plugins and applications except the PulseAudio Plugin.
after the script finished, you should have:
a /bin folder which contains:
AudioGui
AudioManager
Bild1.png
PlayerGui
a /build folder which has all build objects (erase that if you need a clean build)
a /doc folder which contains subfolders with the doxygen documentation:
AudioGui
AudioManager
DBusPlugin
JackPlugin
PlayerGUI
PluginTest
***********************************************************************************************************
COMPILE PULSEAUDIO
***********************************************************************************************************
For the pulseaudio plugin, you will need to do the following steps:
- if you have pulseaudio installed (e.g. you have vanilla ubuntu), remove it with the package manager
apt-get purge pulseaudio
- remove all packages of modules as well (there can be only one server of course)
- download the source code from pulseaudio
wget http://freedesktop.org/software/pulseaudio/releases/pulseaudio-0.9.22.tar.gz
- patch was developed and tested with verisopn 0.9.22 but newer versions could do as well and unpack it
tar xvf pulseaudio-0.9.22.tar.gz
- cd into the unpacked pulseaudio directory:
cd pulseaudio-0.9.22
- copy the patchfile into the pulseaudio directory
cp ../genivipulseaudio.patch .
-apply the patchfile genivipulseaudio.patch with
patch -p1 -i genivipulseaudio.patch
- what follows is the normal compiling process of pulseaudio, first bootstrap:
./bootstrap.sh
- then configure
./configure.sh
- check the output, the summary file should look similar to this:
Have X11: no
Enable OSS Output: yes
Enable OSS Wrapper: yes
Enable Alsa: yes
Enable Solaris: no
Enable GLib 2.0: yes
Enable Gtk+ 2.0: yes
Enable GConf: no
Enable Avahi: yes
Enable Jack: yes
Enable Async DNS: no
Enable LIRC: no
Enable HAL: no
Enable udev: yes
Enable HAL->udev compat: yes
Enable BlueZ: no
Enable TCP Wrappers: no
Enable libsamplerate: yes
Enable IPv6: yes
Enable OpenSSL (for Airtunes): no
Enable tdb: no
Enable gdbm: no
Enable simple database: yes
Enable Genivi support yes
System User: pulse
System Group: pulse
Access Group: pulse-access
Enable per-user EsounD socket: yes
Force preopen: no
Preopened modules: all
at least we should have alsa, Jack, udev, libsamplerate, Genivi, Glib 2.0 .... if not install missing packages and start again
- ok, lets go with
make -j4 all
To adjust to your system, you can modify the file "Genivi.conf" witch can be found in pulseaudio-0.9.22/src. Here you can define the sources and sinks
that are presented to the audiomanager by the routingadaptor in the pulseaudio genivi module.
***********************************************************************************************************
START
***********************************************************************************************************
First we need to start Jack. This can be done via very easy via
qjackctl
if you cannot install it via packagemanager, you can dowload it here: http://qjackctl.sourceforge.net/
Since we deinstalled pulse, jack will grab the hardwarecontrols if it is started, that is contra productive, so we make sure that the server runs virtual. Within
qjackctl, you can select the settings tab and take as driver "dummy", or you start jackd with the following command:
/usr/bin/jackd -T -P62 -t1000 -m -ddummy -r44100 -p256
or write this command in your home into the .jackdrc file
If you want to have the same as the demo in Dublin, start now the jack equalizer (if you don't have: http://jackeq.sourceforge.net/ or packagemanager)
/usr/bin/jackeq
Now it's time to start pulseaudio, since we need to start it with a special configuration, get into the pulseaudio directory and run
src/pulseaudio -n -F src/test.pa -p $(pwd)/src/.libs/ -vvvv
The next step is to start the DLT server
dlt-daemon
And a dlt client if you want to see something.
Then get into the /bin directory of the workspace where the binaries where created and run in the following order:
./AudioManager
This starts the audiomanager, you should already get some output on the DLT
./AudioGui
starts the Test GUI, you can now connect and disconnect already, changing volumes works via double click on the sinks
./PLayerGui player youraudiofile.mp3
starts the player application, please choose cool music.
To test Traffic announcements, you need to create a folder on the workspace, same level as bin, called "music" and put an mp3 in there. please rename it to "ta.mp3", this file
is taken to play the traffic announcement.
./PlayerGui ta
Same for navigation, the file needs to have the name "music/navi.mp3"
./PLayerGui navigation
***********************************************************************************************************
Tips
***********************************************************************************************************
If you want to use the codebase with eclipse, define the main level of the git as workspace and import the projects as c++ makefile projects.
Git is setup in a way that the settings are ignored when committing.
To use make out of eclipse them, replace the default make command "make" with something like
"make -j4 -C ../build/AudioManagerDeamon VERBOSE=1" (exchanging the name of the Project in respect to the plugin whatever.
***********************************************************************************************************
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