audio-river/river/io/Manager.h

77 lines
2.2 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2015, Edouard DUPIN, all right reserved
* @license APACHE v2.0 (see license file)
*/
#ifndef __RIVER_IO_MANAGER_H__
#define __RIVER_IO_MANAGER_H__
#include <string>
#include <vector>
#include <list>
#include <stdint.h>
#include <chrono>
#include <functional>
#include <audio/format.h>
#include <audio/channel.h>
#include <ejson/ejson.h>
#include <memory>
#include <drain/Volume.h>
namespace river {
namespace io {
class Node;
class Manager {
private:
/**
* @brief Constructor
*/
Manager();
public:
static std::shared_ptr<Manager> getInstance();
/**
* @brief Destructor
*/
virtual ~Manager() {};
private:
ejson::Document m_config; // harware configuration
std::vector<std::shared_ptr<river::io::Node> > m_listKeepAlive; //!< list of all Node that might be keep alive sone time
std::vector<std::weak_ptr<river::io::Node> > m_list; //!< List of all IO node
public:
std::shared_ptr<river::io::Node> getNode(const std::string& _name);
private:
std::vector<std::shared_ptr<drain::VolumeElement>> m_volumeGroup;
public:
std::shared_ptr<drain::VolumeElement> getVolumeGroup(const std::string& _name);
/**
* @brief Set a volume for a specific group
* @param[in] _volumeName Name of the volume (MASTER, MATER_BT ...)
* @param[in] _value Volume in dB to set.
* @return true set done
* @return false An error occured
* @example : setVolume("MASTER", -3.0f);
*/
virtual bool setVolume(const std::string& _volumeName, float _valuedB);
/**
* @brief Get a volume value
* @param[in] _volumeName Name of the volume (MASTER, MATER_BT ...)
* @return The Volume value in dB.
* @example ret = getVolume("MASTER"); can return something like ret = -3.0f
*/
virtual float getVolume(const std::string& _volumeName);
/**
* @brief Get a parameter value
* @param[in] _volumeName Name of the volume (MASTER, MATER_BT ...)
* @return The requested value Range.
* @example ret = getVolumeRange("MASTER"); can return something like ret=(-120.0f,0.0f)
*/
virtual std::pair<float,float> getVolumeRange(const std::string& _volumeName) const;
};
}
}
#endif