//
// Written by Will Braynen (in 2001)
//

#ifndef __JAVUPLAYERUTIL_H_  // added by will, not the wizard
#define __JAVUPLAYERUTIL_H_


//
// Conditional compilation
//

//#define REMOVE_AUDIO_FILTER_IF_NEEDED // if this is defined, PlayFastThread() isn't used by PlayForward()
// all/most of the code associated with removing filters is removed after the following version: "JavuPlayer - BACKUP 4.7 (May 09, 2001)"

//#define SEEK_INTO_MIDDLE_OF_FRAME
//#define OFFSET_TIMECODE  // (NOTE: if dFrameRate is unknown, then the timecode will NOT be offset regardless) start with "00:00:00:00" ("hh:mm:ss:ff") or offset to match a test file; see ConvertTimeToString()
//#define PLAY_PAUSE_BUTTON_TOGGLE
//#define DEBUG_OUTPUT


//
// Types
//
typedef enum { 
	PlayerState_StoppingPlayFastThread,

	PlayerState_Stopped,
	PlayerState_Paused,

	PlayerState_PlayingForward,
	PlayerState_PlayingReverse,

	PlayerState_Uninitialized,
	PlayerState_Loading,
	PlayerState_Ready,
	PlayerState_LoadFailed
} player_state_t;


//
// Constants
//
#define AUDIO_RENDERING_FILTER_NAME L"Sound Renderer"
#define GUI_PADDING 5

#define FRAME_DURATION (m_rtAveTimePerFrame > 0 ? m_rtAveTimePerFrame : 1)  //m_rtTotalDurationTime / m_llTotalDurationFrame)  /*(10000000.0/30)*/  // in 100ns
#define INITIAL_SKIP_FRAMES_GUESS 1  // used by PlayFastThread(); initially skip one frame and if you can't keep up drop (more and more) frames until your playback is fast enough (same as requested)

#define SLIDER_TIMERDELAY 100  // also determines how often current position display is updated
#define VOLUME_FULL     0L
#define VOLUME_SILENCE  -10000L
#define TICKLEN 500   // length of the seek slider in ticks
#define ONE_SECOND 10000000  // in 100-nanosecond units (for seeking)
#define VIDEO_PLAYBACK_RATE_MAX 16.0
#define AUDIO_PLAYBACK_RATE_MAX 2.0
#define TEMP_XML_FILENAME _T("JavuPlayer_temp_XMLfile.xtl") // the extension of this file MUST be .xtl (unless the logic in CJavuPlayerCtrl::LoadFile changed - right now it uses the file extension to figure out whether it's loading an XTL timeline or just one media file)

//
// Application-defined messages
//
#define WM_GRAPHNOTIFY     WM_APP + 1
#define WM_PLAYBACKENDED   WM_APP + 2
#define WM_POSITIONCHANGED WM_APP + 3


//
// Routines
//

// Miscellaneous
#define SAFE_RELEASE(i) {if (i) i->Release(); i = NULL;}
#define JIF(x) if (FAILED(hr=(x))) {goto CLEANUP;}
#define ABS(n) (n >= 0 ? n : -n)
#define SET_PRECISION(x,n) (((int)(x * pow(10,n))) / pow(10,n))
#define ROUND_UP(n) ( (LONGLONG)n >= n ? (LONGLONG)n : (LONGLONG)n + 1 )
#define SAFE_DIVISOR(x) (x ? x : 1)
long GetDlgItemLong( HWND hDlg, int nID, LPTSTR lpString, int nMaxCount );
#define GetDlgItemCString(nID, strText, MAX_LEN)								\
	{																			\
	  TCHAR lpString [MAX_LEN];													\
	  ::GetWindowText(::GetDlgItem (m_hWnd, nID), (LPTSTR) lpString, MAX_LEN);	\
	  strText = lpString;														\
	}
#define AddIconToButton(nIDDlgItem, nResourceID)                                               \
	{                                                                                          \
	  HICON hIcon = AfxGetApp()->LoadIcon (nResourceID);                                       \
	  SendMessage (::GetDlgItem (m_hWnd, nIDDlgItem), BM_SETIMAGE, IMAGE_ICON, (LPARAM)hIcon); \
	  ::SendMessage (::GetDlgItem (m_hWnd, nIDDlgItem), WM_PAINT, NULL, NULL);                 \
	}
RECT * GetCoords( HWND hParentWindow, int nIDDlgItem, RECT *pRect );
char * Wide2Ascii( LPCWSTR lpszWideString, char *pAsciiString );
LPWSTR Ascii2Wide( const char *pAsciiString, LPWSTR lpszWideString );
double GetXMLFrameRate( LPCWSTR lpszFilename );
HRESULT IsValidFile( LPCWSTR lpszFilename );

// Jump routines - positioning
#define JumpToFrame(n) Jump(n,&TIME_FORMAT_FRAME,true)  // do an absolute jump in frames
#define JumpToTime(n) Jump(n,&TIME_FORMAT_MEDIA_TIME,true)  // do an absolute jump in 100-nanosecond units
#define NextFrame(n) (n <= 0 ? E_INVALIDARG : Jump(n,&TIME_FORMAT_FRAME,false)) // do a relative jump forward in frames
#define PreviousFrame(n) (n <= 0 ? E_INVALIDARG : Jump(-n,&TIME_FORMAT_FRAME,false)) // do a relative jump backward in frames
#define TimeStep(n) (n <= 0 ? E_INVALIDARG : Jump(n,&TIME_FORMAT_MEDIA_TIME,false)) // do a relative jump forward in 100-nanosecond units
#define TimeBack(n) (n <= 0 ? E_INVALIDARG : Jump(-n,&TIME_FORMAT_MEDIA_TIME,false)) // do a relative jump backward in 100-nanosecond units

// Position conversion routines: "hh:mm:ss:ff" (string), hhmmssff (long int), f (frame)
HRESULT Time2Timecode( REFERENCE_TIME rtDurationTime, CString *strDurationTimecode, double dFrameRate = 0, bool bDropFrameFormat = false ); // 100ns -> "hh:mm:ss:ff"
HRESULT Timecode2Time( long lPositionTimecode, REFERENCE_TIME *prtPositionTime, const double dFrameRate, bool bDropFrameFormat = false );
HRESULT TimecodeInt2String( long lDuration, CString *strDuration ); // hhmmssff -> "hh:mm:ss:ff"
HRESULT TimecodeString2Int( CString strDuration, long *plDuration ); // "hh:mm:ss:ff" -> hhmmssff

// Exposing the graph to an external process (e.g. GraphEdit)
HRESULT AddToRot(IUnknown *pUnkGraph, DWORD *pdwRegister);
void RemoveFromRot(DWORD pdwRegister);


#endif //__JAVUPLAYERUTIL_H_