86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
/** @file
|
|
* @author Edouard DUPIN
|
|
* @copyright 2011, Edouard DUPIN, all right reserved
|
|
* @license MPL v2.0 (see license file)
|
|
*/
|
|
#pragma once
|
|
|
|
#include <audio/drain/EndPoint.hpp>
|
|
#include <etk/Function.hpp>
|
|
#include <ethread/Mutex.hpp>
|
|
#include <audio/drain/CircularBuffer.hpp>
|
|
|
|
namespace audio {
|
|
namespace drain{
|
|
typedef etk::Function<void (const audio::Time& _time,
|
|
size_t _nbChunk,
|
|
enum audio::format _format,
|
|
uint32_t _frequency,
|
|
const etk::Vector<audio::channel>& _map)> playbackFunctionWrite;
|
|
class EndPointWrite : public EndPoint {
|
|
private:
|
|
audio::drain::CircularBuffer m_buffer;
|
|
playbackFunctionWrite m_function;
|
|
ethread::Mutex m_mutex;
|
|
protected:
|
|
/**
|
|
* @brief Constructor
|
|
*/
|
|
EndPointWrite();
|
|
void init();
|
|
public:
|
|
static ememory::SharedPtr<audio::drain::EndPointWrite> create();
|
|
/**
|
|
* @brief Destructor
|
|
*/
|
|
virtual ~EndPointWrite() {};
|
|
virtual void configurationChange();
|
|
virtual bool process(audio::Time& _time,
|
|
void* _input,
|
|
size_t _inputNbChunk,
|
|
void*& _output,
|
|
size_t& _outputNbChunk);
|
|
virtual void write(const void* _value, size_t _nbChunk);
|
|
virtual void setCallback(playbackFunctionWrite _function) {
|
|
m_function = _function;
|
|
}
|
|
protected:
|
|
echrono::microseconds m_bufferSizeMicroseconds; // 0 if m_bufferSizeChunk != 0
|
|
size_t m_bufferSizeChunk; // 0 if m_bufferSizeMicroseconds != 0
|
|
size_t m_bufferUnderFlowSize; //!< Limit display of underflow in the write callback
|
|
public:
|
|
/**
|
|
* @brief Set buffer size in chunk number
|
|
* @param[in] _nbChunk Number of chunk in the buffer
|
|
*/
|
|
virtual void setBufferSize(size_t _nbChunk);
|
|
/**
|
|
* @brief Set buffer size size of the buffer with the stored time in µs
|
|
* @param[in] _time Time in microsecond of the buffer
|
|
*/
|
|
virtual void setBufferSize(const echrono::microseconds& _time);
|
|
/**
|
|
* @brief get buffer size in chunk number
|
|
* @return Number of chunk that can be written in the buffer
|
|
*/
|
|
virtual size_t getBufferSize();
|
|
/**
|
|
* @brief Set buffer size size of the buffer with the stored time in µs
|
|
* @return Time in microsecond that can be written in the buffer
|
|
*/
|
|
virtual echrono::microseconds getBufferSizeMicrosecond();
|
|
/**
|
|
* @brief Get buffer size filled in chunk number
|
|
* @return Number of chunk in the buffer (that might be read/write)
|
|
*/
|
|
virtual size_t getBufferFillSize();
|
|
/**
|
|
* @brief Set buffer size size of the buffer with the stored time in µs
|
|
* @return Time in microsecond of the buffer (that might be read/write)
|
|
*/
|
|
virtual echrono::microseconds getBufferFillSizeMicrosecond();
|
|
};
|
|
}
|
|
}
|
|
|