// Audio.h : main header file for the Audio DLL
//

#pragma once

#ifndef __AFXWIN_H__
	#error "include 'stdafx.h' before including this file for PCH"
#endif

#include "resource.h"

#define AUDIO_API __declspec(dllexport)
#define AUDIO_PRIVATE_API AUDIO_API
#define RIFF_FILE       mmioFOURCC('R','I','F','F')
#define RIFF_WAVE       mmioFOURCC('W','A','V','E')
#define RIFF_FORMAT     mmioFOURCC('f','m','t',' ')
#define RIFF_CHANNEL    mmioFOURCC('d','a','t','a')

// CAudioApp
// See Audio.cpp for the implementation of this class
//

#ifdef __cplusplus
extern "C" {
#endif

	AUDIO_API BOOL RecordInit(int channel,int SamplesPerSec,int BitsPerSample,int second);
	AUDIO_API BOOL StartRecord();
	AUDIO_API BOOL EndRecord(LPTSTR file);
	AUDIO_API DWORD PlayAudio(LPTSTR file);
	AUDIO_API BOOL EndPlay();
	AUDIO_API BOOL ReadChunk(HANDLE hFile,DWORD Type,PVOID * InBuffer, DWORD * chksize,PDWORD ChunkLength);

	AUDIO_PRIVATE_API void BufferFill(WPARAM Wparm ,  LPARAM Lparm);
	AUDIO_PRIVATE_API void CallBuffer(HWAVEOUT hWaveOut,UINT uMsg,DWORD dwInstance, DWORD dwParam1,DWORD dwParam2);
	HWAVEIN wave;
	WAVEHDR waveHDR;
	WAVEHDR waveHDR_2;
	WAVEHDR wavePlay;

	PBYTE data;
	PBYTE data_2;
	HANDLE writeData;
	HANDLE PlayEvent;
	DWORD wait;
	WAVEFORMATEX  waveTex;
	HWAVEOUT AudioOut;

	typedef struct
	{
		DWORD   dwRiff;     // Type of file header.
		DWORD   dwSize;     // Size of file header.
		DWORD   dwWave;     // Type of wave.
	} RIFF_FILEHEADER, *PRIFF_FILEHEADER;

	typedef struct
	{
		DWORD   dwCKID;        // Type Identification for current chunk header.
		DWORD   dwSize;        // Size of current chunk header.
	} RIFF_CHUNKHEADER, *PRIFF_CHUNKHEADER;

#ifdef __cplusplus
}
#endif

class CAudioApp : public CWinApp
{
public:
	

	CAudioApp();

// Overrides
public:
	virtual BOOL InitInstance();

	DECLARE_MESSAGE_MAP(int channel,int SamplesPerSec,int BitsPerSample,int second)
};