audio-drain/audio/drain/EndPointWrite.h

88 lines
2.9 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2011, Edouard DUPIN, all right reserved
* @license APACHE v2.0 (see license file)
*/
#ifndef __AUDIO_DRAIN_ALGO_ALGO_END_POINT_WRITE_H__
#define __AUDIO_DRAIN_ALGO_ALGO_END_POINT_WRITE_H__
#include <audio/drain/EndPoint.h>
#include <etk/functional.h>
#include <etk/mutex.h>
#include <audio/drain/CircularBuffer.h>
namespace audio {
namespace drain{
typedef std11::function<void (const audio::Time& _time,
size_t _nbChunk,
enum audio::format _format,
uint32_t _frequency,
const std::vector<audio::channel>& _map)> playbackFunctionWrite;
class EndPointWrite : public EndPoint {
private:
audio::drain::CircularBuffer m_buffer;
playbackFunctionWrite m_function;
std11::mutex m_mutex;
protected:
/**
* @brief Constructor
*/
EndPointWrite();
void init();
public:
static std11::shared_ptr<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:
std11::chrono::microseconds m_bufferSizeMicroseconds; // 0 if m_bufferSizeChunk != 0
size_t m_bufferSizeChunk; // 0 if m_bufferSizeMicroseconds != 0
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 std11::chrono::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 std11::chrono::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 std11::chrono::microseconds getBufferFillSizeMicrosecond();
};
}
}
#endif