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|
------------------------------------------------------------------------
AGL-AudioBindings expose ALSA, Pulse & Most APIs through AGL framework
------------------------------------------------------------------------
http://www.linuxjournal.com/node/6735/print
http://equalarea.com/paul/alsa-audio.html
http://mpd.wikia.com/wiki/Alsa
http://alsa.opensrc.org/How_to_use_softvol_to_control_the_master_volume
Cloning Audio-Binding from Git
-------------------------------
git clone https://github.com/iotbzh/audio-bindings
cd audio-bindings
git submodule update --recursive --init
AFB_daemon dependency on Standard Linux Distributions
-------------------------------------------------------
# handle dependencies > (OpenSuse-42.2, Fedora-25, Ubuntu 16.04.2LTS)
gcc > 4.8
systemd-devel (libsystemd-dev>=222)
libuuid-devel
file-devel(OpenSuSe) or libmagic-dev(Ubuntu)
libjson-c-devel
alsa-devel
ElectricFence (BUG should not be mandatory)
libopenssl-devel libgcrypt-devel libgnutls-devel (optional but requested by libmicrohttpd for https)
OpenSuse >=42.2
zypper in gcc5 gdb gcc5-c++ git make ElectricFence systemd-devel libopenssl-devel libuuid-devel alsa-devel libgcrypt-devel libgnutls-devel libjson-c-devel file-devel
Ubuntu >= 16.4 libuuid-devel
apt-get install cmake git electric-fence libsystemd-dev libssl-dev uuid-dev libasound2-dev libgcrypt20-dev libgnutls-dev libgnutls-dev libjson-c-dev libmagic-dev
libmicrohttpd>=0.9.54 (as today OpenSuse-42.2 or Ubuntu-.16.4 ship older versions)
afb-daemon from AGL Gerrit git clone https://gerrit.automotivelinux.org/gerrit/src/app-framework-binder
```
# Might want to add following variables into ~/.bashrc
echo "#---------- AGL options Start ---------" >>~/.bashrc
echo "# Object: AGL cmake option for binder/bindings" >>~/.bashrc
echo "# Date: `date`" >>~/.bashrc
echo 'export CC=gcc-5; export CXX=g++-5' >>~/.bashrc # if using gcc5
echo 'export INSTALL_PREFIX=$HOME/opt' >>~/.bashrc
echo 'export LD_LIBRARY_PATH=$INSTALL_PREFIX/lib64:$INSTALL_PREFIX/lib' >>~/.bashrc
echo 'export LIBRARY_PATH=$INSTALL_PREFIX/lib64:$INSTALL_PREFIX/lib' >>~/.bashrc
echo 'export PKG_CONFIG_PATH=$INSTALL_PREFIX/lib64/pkgconfig:$INSTALL_PREFIX/lib/pkgconfig' >>~/.bashrc
echo 'export PATH=$INSTALL_PREFIX/bin:$PATH' >>~/.bashrc
echo "#---------- AGL options End ---------" >>~/.bashrc
source ~/.bashrc
# install AGL pached version of LibMicroHttpd
wget https://ftp.gnu.org/gnu/libmicrohttpd/libmicrohttpd-0.9.54.tar.gz
tar -xzf libmicrohttpd-0.9.54.tar.gz
cd libmicrohttpd-0.9.54
./configure --prefix=$INSTALL_PREFIX
make
make install-strip
# retrieve last AFB_daemon from AGL
git clone https://gerrit.automotivelinux.org/gerrit/src/app-framework-binder
# Warning: previous GCC options should be set before initial cmake (clean Build/*)
cd app-framework-binder; mkdir build; cd build
cmake -DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX ..
make
make install
```
```
# Compile binding
source ~/.bashrc # or any other file where your have place your compilation preferences
mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX ..
make
make install
# Start the binder
# From Development Tree
mkdir $INSTALL_PREFIX/share/wssocks
afb-daemon --verbose --token="" --ldpaths=./build --port=1234 --roothttp=./htdocs
# From $INSTALL_PREFIX
mkdir $INSTALL_PREFIX/share/wssocks
afb-daemon --verbose --token="" --ldpaths=$INSTALL_PREFIX/lib/audio --port=1234 --roothttp=$INSTALL_PREFIX/htdocs/audio-bindings
# Debug with GDB
In order your debugger to find bindings(sharelib) symbols ldpath and workdir should match with GDB solib-search-path
--workdir=. #default value: in this case solib-search-path is not requirer
--workdir=.. --ldpath=build in this case set (solib-search-path=build) should be used
To debug from desktop directly within './build' directory use following commands
```
cd ./build
gdb afb-daemon --args afb-daemon --ldpaths=. --port=1234 --workdir=. --roothttp=../htdocs --tracereq=common --token='' --verbose
```
# replace hd:XX with your own sound card ID ex: "hw:0", "hw:PCH", ...
```
- Start a browser on http://localhost:1234?devid=hw:XX
- Start AlsaMixer and change volume you should see event in your browser
```
alsamixer -D hw:0
```
|
