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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
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)
uuid-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++ cmake ElectricFence systemd-devel libopenssl-devel uuid-devel alsa-devel libgcrypt-devel libgnutls-devel libjson-c-devel file-devel
Ubuntu >= 16.4
apt-get install cmake electric-fence libsystemd-dev libssl-dev uuid-dev libasound2-dev libgcrypt20-dev libgnutls-dev libgnutls-dev libjson-c-dev libmagic-dev
libmicrohttpd with AGL patches http://iot.bzh/download/public/2016/appfw/libmicrohttpd-0.9.49-agl.tgz
afb-daemon from AGL Gerrit git clone https://gerrit.automotivelinux.org/gerrit/src/app-framework-binder
```
# Might want to add following variables into ~/.bashrc
# export CC=gcc-5; export CXX=g++-5 # if using gcc5
echo "export DEST=$HOME/opt" >>~/.bashrc
echo "export LD_LIBRARY_PATH=$DEST/lib64" >>~/.bashrc
echo "export LIBRARY_PATH=$DEST/lib64" >>~/.bashrc
echo "export PKG_CONFIG_PATH=$DEST/lib64/pkgconfig" >>~/.bashrc
echo "export PATH=$DEST/bin:$PATH" >>~/.bashrc
source ~/.bashrc
# install AGL pached version of LibMicroHttpd
wget http://iot.bzh/download/public/2016/appfw/libmicrohttpd-0.9.49-agl.tgz
tar -xzf libmicrohttpd-0.9.49-agl.tgz
cd libmicrohttpd-0.9.49-agl
./configure --prefix=$DEST
make
make install-strip
# retreive last AFB_daemon from AGL
git clone https://gerrit.automotivelinux.org/gerrit/src/app-framework-binder
# Warning: previous GCC options should be set before initial cmake (clean Build/*)
cd app-framework-binder; mkdir build; cd build
cmake -DCMAKE_INSTALL_PREFIX=$DEST ..
make
make install
```
Other Audio Binding Dependencies
----------------------------------
afb-daemon
alsa-devel
Edit CMakeList.txt to tune options
```
# Compile binding
INSTALL_DIR=xxxx # default ./Install
mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR ..
make
make install
ls
# Start the binder
# From Development Tree
afb-daemon --verbose --token="" --ldpaths=./build --port=1234 --roothttp=./htdoc
# From $INSTALL_DIR
afb-daemon --verbose --token="" --ldpaths=$INSTALL_DIR/lib/audio --port=1234 --roothttp=$INSTALL_DIR/htdocs/audio-bindings
```
# 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
```
|
