mediactrl.cpp

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                                     const wxPoint& pos,
                                     const wxSize& size,
                                     long style,
                                     const wxValidator& validator,
                                     const wxString& name);

    virtual bool Play();
    virtual bool Pause();
    virtual bool Stop();

    virtual bool Load(const wxString& fileName);
    virtual bool Load(const wxURI& location);
    virtual bool Load(const wxURI& location, const wxURI& proxy);

    bool DoLoad(const wxString& location);
    void FinishLoad();

    virtual wxMediaState GetState();

    virtual bool SetPosition(wxLongLong where);
    virtual wxLongLong GetPosition();
    virtual wxLongLong GetDuration();

    virtual void Move(int x, int y, int w, int h);
    wxSize GetVideoSize() const;

    virtual double GetPlaybackRate();
    virtual bool SetPlaybackRate(double);

    virtual double GetVolume();
    virtual bool SetVolume(double);

    virtual bool ShowPlayerControls(wxMediaCtrlPlayerControls flags);
    void Cleanup();

    void DoGetDownloadProgress(wxLongLong*, wxLongLong*);
    virtual wxLongLong GetDownloadProgress()
    {
        wxLongLong progress, total;
        DoGetDownloadProgress(&progress, &total);
        return progress;
    }
    virtual wxLongLong GetDownloadTotal()
    {
        wxLongLong progress, total;
        DoGetDownloadProgress(&progress, &total);
        return total;
    }

    wxActiveXContainer* m_pAX;
    IActiveMovie* m_pAM;
    IMediaPlayer* m_pMP;
    wxTimer* m_pTimer;
    wxSize m_bestSize;

#ifdef __WXDEBUG__
    wxDynamicLibrary m_dllQuartz;
    LPAMGETERRORTEXT m_lpAMGetErrorText;
    wxString GetErrorString(HRESULT hrdsv);
#endif // __WXDEBUG__

    DECLARE_DYNAMIC_CLASS(wxAMMediaBackend)
};

//---------------------------------------------------------------------------
//
//  wxMCIMediaBackend
//
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
//  MCI Includes
//---------------------------------------------------------------------------

#ifndef __WXWINCE__
#include <mmsystem.h>

class WXDLLIMPEXP_MEDIA wxMCIMediaBackend : public wxMediaBackendCommonBase
{
public:

    wxMCIMediaBackend();
    ~wxMCIMediaBackend();

    virtual bool CreateControl(wxControl* ctrl, wxWindow* parent,
                                     wxWindowID id,
                                     const wxPoint& pos,
                                     const wxSize& size,
                                     long style,
                                     const wxValidator& validator,
                                     const wxString& name);

    virtual bool Play();
    virtual bool Pause();
    virtual bool Stop();

    virtual bool Load(const wxURI& location,
                      const wxURI& proxy)
    { return wxMediaBackend::Load(location, proxy); }

    virtual bool Load(const wxString& fileName);
    virtual bool Load(const wxURI& location);

    virtual wxMediaState GetState();

    virtual bool SetPosition(wxLongLong where);
    virtual wxLongLong GetPosition();
    virtual wxLongLong GetDuration();

    virtual void Move(int x, int y, int w, int h);
    wxSize GetVideoSize() const;

    virtual double GetPlaybackRate();
    virtual bool SetPlaybackRate(double dRate);

    virtual double GetVolume();
    virtual bool SetVolume(double);

    static LRESULT CALLBACK NotifyWndProc(HWND hWnd, UINT nMsg,
                                             WPARAM wParam, LPARAM lParam);

    LRESULT CALLBACK OnNotifyWndProc(HWND hWnd, UINT nMsg,
                                     WPARAM wParam, LPARAM lParam);

    MCIDEVICEID m_hDev;     //Our MCI Device ID/Handler
    HWND m_hNotifyWnd;      //Window to use for MCI events
    bool m_bVideo;          //Whether or not we have video

    DECLARE_DYNAMIC_CLASS(wxMCIMediaBackend)
};
#endif

//---------------------------------------------------------------------------
//
//  wxQTMediaBackend
//
// We don't include Quicktime headers here and define all the types
// ourselves because looking for the quicktime libaries etc. would
// be tricky to do and making this a dependency for the MSVC projects
// would be unrealistic.
//
// Thanks to Robert Roebling for the wxDL macro/library idea
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
//  QT Includes
//---------------------------------------------------------------------------
//#include <qtml.h>                   //Windoze QT include
//#include <QuickTimeComponents.h>    //Standard QT stuff
#include "wx/dynlib.h"

//---------------------------------------------------------------------------
//  QT Types
//---------------------------------------------------------------------------
typedef struct MovieRecord* Movie;
typedef wxInt16 OSErr;
typedef wxInt32 OSStatus;
#define noErr 0
#define fsRdPerm 1
typedef unsigned char                   Str255[256];
#define StringPtr unsigned char*
#define newMovieActive 1
#define newMovieAsyncOK (1 << 8)
#define Ptr char*
#define Handle Ptr*
#define Fixed long
#define OSType unsigned long
#define CGrafPtr struct GrafPort *
#define TimeScale long
#define TimeBase struct TimeBaseRecord *
typedef struct ComponentInstanceRecord * ComponentInstance;
#define kMovieLoadStatePlayable 10000
#define Boolean int
#define MovieController ComponentInstance

#ifndef URLDataHandlerSubType
#if defined(__WATCOMC__) || defined(__MINGW32__)
// use magic numbers for compilers which complain about multicharacter integers
const OSType URLDataHandlerSubType     = 1970433056;
const OSType VisualMediaCharacteristic = 1702454643;
#else
const OSType URLDataHandlerSubType     = 'url ';
const OSType VisualMediaCharacteristic = 'eyes';
#endif
#endif

struct FSSpec {
    short      vRefNum;
    long       parID;
    Str255     name;  /*Str63 on mac, Str255 on msw */
};

struct Rect {
    short      top;
    short      left;
    short      bottom;
    short      right;
};

struct wide {
    wxInt32    hi;
    wxUint32   lo;
};

struct TimeRecord {
    wide       value; /* units */
    TimeScale  scale; /* units per second */
    TimeBase   base;
};

struct Point {
    short                           v;
    short                           h;
};

struct EventRecord {
    wxUint16                       what;
    wxUint32                          message;
    wxUint32                          when;
    Point                           where;
    wxUint16                  modifiers;
};

enum {
    mcTopLeftMovie              = 1,
    mcScaleMovieToFit           = 2,
    mcWithBadge                 = 4,
    mcNotVisible                = 8,
    mcWithFrame                 = 16
};

//---------------------------------------------------------------------------
//  QT Library
//---------------------------------------------------------------------------
#define wxDL_METHOD_DEFINE( rettype, name, args, shortargs, defret ) \
    typedef rettype (* name ## Type) args ; \
    name ## Type pfn_ ## name; \
    rettype name args \
    { if (m_ok) return pfn_ ## name shortargs ; return defret; }

#define wxDL_VOIDMETHOD_DEFINE( name, args, shortargs ) \
    typedef void (* name ## Type) args ; \
    name ## Type pfn_ ## name; \
    void name args \
    { if (m_ok) pfn_ ## name shortargs ; }

#define wxDL_METHOD_LOAD( lib, name, success ) \
    pfn_ ## name = (name ## Type) lib.GetSymbol( wxT(#name), &success ); \
    if (!success) { wxLog::EnableLogging(bWasLoggingEnabled); return false; }


class WXDLLIMPEXP_MEDIA wxQuickTimeLibrary
{
public:
    ~wxQuickTimeLibrary()
    {
        if(m_dll.IsLoaded())
            m_dll.Unload();
    }

    bool Initialize();
    bool IsOk() const {return m_ok;}

protected:
    wxDynamicLibrary m_dll;
    bool m_ok;

public:
    wxDL_VOIDMETHOD_DEFINE( StartMovie, (Movie m), (m) );
    wxDL_VOIDMETHOD_DEFINE( StopMovie, (Movie m), (m) );
    wxDL_METHOD_DEFINE( bool, IsMovieDone, (Movie m), (m), false);
    wxDL_VOIDMETHOD_DEFINE( GoToBeginningOfMovie, (Movie m), (m) );
    wxDL_METHOD_DEFINE( OSErr, GetMoviesError, (), (), -1);
    wxDL_METHOD_DEFINE( OSErr, EnterMovies, (), (), -1);
    wxDL_VOIDMETHOD_DEFINE( ExitMovies, (), () );
    wxDL_METHOD_DEFINE( OSErr, InitializeQTML, (long flags), (flags), -1);
    wxDL_VOIDMETHOD_DEFINE( TerminateQTML, (), () );

    wxDL_METHOD_DEFINE( OSErr, NativePathNameToFSSpec,
                        (char* inName, FSSpec* outFile, long flags),
                        (inName, outFile, flags), -1);

    wxDL_METHOD_DEFINE( OSErr, OpenMovieFile,
                        (const FSSpec * fileSpec, short * resRefNum, wxInt8 permission),
                        (fileSpec, resRefNum, permission), -1 );

    wxDL_METHOD_DEFINE( OSErr, CloseMovieFile,
                        (short resRefNum), (resRefNum), -1);