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authorfulup <fulup.arfoll@iot.bzh>2017-07-05 22:31:54 +0200
committerfulup <fulup.arfoll@iot.bzh>2017-07-05 22:31:54 +0200
commit3d5816a07c22dd6c655a60000fb0f175d613e484 (patch)
treee96ebc4d7fc38c79d2aae61fde0f5789f4219c9c /README.md
parent85a4c0a1e0f666505cf2a2922c12e78b3c83c062 (diff)
Added a POC for ALSA/HAL plugin
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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
-```