[DEV] a a default user config file

audio/river/io/Manager.cpp

@@ -55,6 +55,7 @@ static std::string basicAutoConfig =
 	"}\n";
 
 
+static std::string pathToTheRiverConfigInHome("HOME:.local/share/audio-river/config.json");
 
 audio::river::io::Manager::Manager() {
 	#ifdef AUDIO_RIVER_BUILD_PORTAUDIO
@@ -66,10 +67,15 @@ audio::river::io::Manager::Manager() {
 }
 
 void audio::river::io::Manager::init(const std::string& _filename) {
+	RIVER_ERROR("kjqsdhfkjqshdfkjqhsdskjdfhfkqjshqhskdjfhqsdfqsdqsdfqsdqsdfqsdfqsdfqsdfqsdfqsd");
 	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	if (_filename == "") {
-		RIVER_INFO("Load default config");
-		m_config.parse(basicAutoConfig);
+		if (m_config.load(pathToTheRiverConfigInHome) == false) {
+			RIVER_INFO("Load default config");
+			m_config.parse(basicAutoConfig);
+		} else {
+			RIVER_INFO("Load default user configuration: " << pathToTheRiverConfigInHome);
+		}
 	} else if (m_config.load(_filename) == false) {
 		RIVER_ERROR("you must set a basic configuration file for harware configuration: '" << _filename << "'");
 	}

doc/configFile.md

@@ -74,4 +74,46 @@ In every interface we need to define some Element:
   - "nb-chunk": Number of chunk to open the stream.
 
 
+Generic configuration file use
+==============================
+
+You can specify a generic configuration file foir a user in the path ```~/.local/share/audio-river/config.json```
+
+The default config file is:
+
+```{.json}
+{
+	microphone:{
+		io:"input",
+		map-on:{
+			interface:"auto",
+			name:"default",
+		},
+		frequency:0,
+		channel-map:[
+			"front-left", "front-right"
+		],
+		type:"auto",
+		nb-chunk:1024,
+		mux-demux-type:"float"
+	},
+	speaker:{
+		io:"output",
+		map-on:{
+			interface:"alsa",
+			name:"default",
+		},
+		frequency:0,
+		channel-map:[
+			"front-left", "front-right",
+		],
+		type:"auto",
+		nb-chunk:1024,
+		volume-name:"MASTER",
+		mux-demux-type:"float"
+	}
+}
+```
+
+If the pplication start with no name it try to load this file and if it fail it load the internalversion of a basic file
 

sample/write/write.cpp

@@ -20,7 +20,7 @@ static const std::string configurationRiver =
 		"		io:'output',\n"
 		"		map-on:{\n"
 		"			interface:'alsa',\n"
-		"			name:'hw:0,0',\n"
+		"			name:'hw:0,3',\n"
 		"		},\n"
 		"		frequency:48000,\n"
 		//"		channel-map:['front-left', 'front-right', 'rear-left', 'rear-right'],\n"