/**
 *
 * SoundTouch.ax Header
 * 作成者: id:yuaaaa
 * ほんとはGPLっていわなきゃいけない
 *
 * $Id$
 */

#include <streams.h>
#include <math.h>

#include <initguid.h>
#include <olectl.h>

#include "stchguids.h"
#include "ISoundTouch.h"
#include "stchprop.h"

#include "./soundtouch-1.3.1/include/SoundTouch.h"

class CSoundTouch 
	: public CTransInPlaceFilter
	, public ISpecifyPropertyPages
	, public ISoundTouch
	, public CPersistStream
{
public:
	
	static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr);
	DECLARE_IUNKNOWN;

	HRESULT CheckInputType(const CMediaType *mtIn);
	HRESULT GetMediaType(int iPosition, CMediaType *pMediaType);

	STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv);
	int SizeMax();
	STDMETHODIMP GetClassID(CLSID *pClsid);

	HRESULT Setup_GraphRate(void);

    // --- ISpecifyPropertyPages ---

    // return our property pages
    STDMETHODIMP GetPages(CAUUID * pPages);

    STDMETHODIMP get_TouchKey(int *pkey);
    STDMETHODIMP put_TouchKey(int key);

	//Change Pitch, but Not Change Tempo (use IMediaSeeking::SetRate)
    STDMETHODIMP get_Speed(float *pspeed);
    STDMETHODIMP put_Speed(float speed);

	STDMETHODIMP get_Setting ( uint id, uint *pparam );
	STDMETHODIMP put_Setting ( uint id, uint param );

	STDMETHODIMP get_Enable ( bool *penable );
	STDMETHODIMP put_Enable ( bool enable );

protected:
	CSoundTouch(TCHAR *tszName, LPUNKNOWN punk, HRESULT *phr);

private:

	HRESULT SetMediaType(PIN_DIRECTION direction,const CMediaType *pmt);

    // If there are multiple instances of this filter active, it's
    // useful for debug messages etc. to know which one this is.
    // This variable has no other purpose.
    static int m_nInstanceCount;                   // total instances
    int m_nThisInstance;

	HRESULT Transform(IMediaSample *pSample);
	void MessItAbout(PBYTE pb, int cb , int* retsize);

	void Setup_Pitch ( void );

protected:

    int                 m_SamplesPerSec;       // Current sample format
    int                 m_BytesPerSample;      // Current sample format
	int					m_AvgBytesPerSec;
    int					m_BlockAlign;
    int                 m_Channels;            // Current sample format
	CCritSec            m_SoundTouchLock;

	int                 m_Key;
	float				m_Speed;
	bool				m_Enable;

	soundtouch::SoundTouch SoundTouch;

};


class CSoundTouch_AutoJoy : public CSoundTouch
{
public:
	static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr);
	HRESULT CheckConnect(PIN_DIRECTION dir, IPin* pPin);
	STDMETHODIMP JoinFilterGraph(IFilterGraph* pGraph, LPCWSTR pName);
	STDMETHODIMP Run(REFERENCE_TIME tStart);
	STDMETHODIMP Pause();
	STDMETHODIMP Stop();

	HRESULT CheckInputType(const CMediaType* mtIn);
	HRESULT SetupSpeed ( int newspd );
	void JoyDrawStatus ( void );

	HWND joyhackWindow;
	HWND hookWindow;
	WNDPROC hookWndOrgProc;
	int speed;
	bool failed_subclass;
	
private:
	CSoundTouch_AutoJoy(TCHAR *tszName, LPUNKNOWN punk, HRESULT *phr);

	HRESULT CheckAutoLoad (void);
	void SetSubclass();

	static BOOL CALLBACK EnumChildWindowProc(HWND hwnd , LPARAM lp);
	static BOOL CALLBACK EnumWindowProc(HWND hwnd , LPARAM lp);

	static LRESULT CALLBACK SubProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );

	static LPCTSTR Str_WndProp_OrgProc;
};