68 lines
1.9 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2011, Edouard DUPIN, all right reserved
* @license MPL v2.0 (see license file)
*/
#pragma once
#include <ewol/widget/Widget.hpp>
#include <ewol/compositing/Drawing.hpp>
#include <audio/river/river.hpp>
#include <audio/river/Manager.hpp>
#include <audio/river/Interface.hpp>
#include <ethread/Mutex.hpp>
namespace appl {
namespace widget {
class DataViewer : public ewol::Widget {
private:
mutable ethread::Mutex m_mutex;
private:
ewol::compositing::Drawing m_draw; //!< drawing instance
protected:
//! @brief constructor
DataViewer();
void init();
public:
DECLARE_WIDGET_FACTORY(DataViewer, "DataViewer");
//! @brief destructor
virtual ~DataViewer();
void recordToggle();
void reset();
private:
etk::Vector<float> m_data;
size_t m_startDisplayOffset = 0;
bool m_startAnalyse = false;
size_t m_silenceCount = 0;
float m_detectMax = 0;
size_t m_detectStartPosition = 0;
size_t m_detectStopPosition = 0;
private:
float m_minVal; //!< display minimum value
float m_maxVal; //!< display maximum value
public: // herited function
virtual void onDraw();
virtual void onRegenerateDisplay();
protected:
esignal::Connection m_PCH; //!< Periodic Call Handle to remove it when needed
/**
* @brief Periodic call to update grapgic display
* @param[in] _event Time generic event
*/
virtual void periodicCall(const ewol::event::Time& _event);
private:
ememory::SharedPtr<audio::river::Manager> m_manager;
ememory::SharedPtr<audio::river::Interface> m_interface;
void onDataReceived(const void* _data,
const audio::Time& _time,
size_t _nbChunk,
enum audio::format _format,
uint32_t _frequency,
const etk::Vector<audio::channel>& _map);
int32_t m_sampleRate;
};
}
}