--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: src/msw/mediactrl_qt.cpp
+// Purpose: QuickTime Media Backend for Windows
+// Author: Ryan Norton <wxprojects@comcast.net>
+// Modified by: Robin Dunn (moved QT code from mediactrl.cpp)
+//
+// Created: 11/07/04
+// RCS-ID: $Id$
+// Copyright: (c) Ryan Norton
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+//===========================================================================
+// DECLARATIONS
+//===========================================================================
+
+//---------------------------------------------------------------------------
+// Pre-compiled header stuff
+//---------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#if wxUSE_MEDIACTRL
+
+#include "wx/mediactrl.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/dcclient.h"
+ #include "wx/timer.h"
+ #include "wx/math.h" // log10 & pow
+#endif
+
+#include "wx/msw/private.h" // user info and wndproc setting/getting
+#include "wx/dynlib.h"
+
+//---------------------------------------------------------------------------
+// Externals (somewhere in src/msw/app.cpp and src/msw/window.cpp)
+//---------------------------------------------------------------------------
+extern "C" WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(void);
+#ifdef __WXWINCE__
+extern WXDLLIMPEXP_CORE wxChar *wxCanvasClassName;
+#else
+extern WXDLLIMPEXP_CORE const wxChar *wxCanvasClassName;
+#endif
+
+LRESULT WXDLLIMPEXP_CORE APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
+ WPARAM wParam, LPARAM lParam);
+
+//---------------------------------------------------------------------------
+// Killed MSVC warnings
+//---------------------------------------------------------------------------
+//disable "cast truncates constant value" for VARIANT_BOOL values
+//passed as parameters in VC5 and up
+#ifdef _MSC_VER
+#pragma warning (disable:4310)
+#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) 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);
+
+ wxDL_METHOD_DEFINE( OSErr, NewMovieFromFile,
+ (Movie * theMovie, short resRefNum, short * resId,
+ StringPtr resName, short newMovieFlags,
+ bool * dataRefWasChanged),
+ (theMovie, resRefNum, resId, resName, newMovieFlags,
+ dataRefWasChanged), -1);
+
+ wxDL_VOIDMETHOD_DEFINE( SetMovieRate, (Movie m, Fixed rate), (m, rate) );
+ wxDL_METHOD_DEFINE( Fixed, GetMovieRate, (Movie m), (m), 0);
+ wxDL_VOIDMETHOD_DEFINE( MoviesTask, (Movie m, long maxms), (m, maxms) );
+ wxDL_VOIDMETHOD_DEFINE( BlockMove,
+ (const char* p1, const char* p2, long s), (p1,p2,s) );
+ wxDL_METHOD_DEFINE( Handle, NewHandleClear, (long s), (s), NULL );
+
+ wxDL_METHOD_DEFINE( OSErr, NewMovieFromDataRef,
+ (Movie * m, short flags, short * id,
+ Handle dataRef, OSType dataRefType),
+ (m,flags,id,dataRef,dataRefType), -1 );
+
+ wxDL_VOIDMETHOD_DEFINE( DisposeHandle, (Handle h), (h) );
+ wxDL_VOIDMETHOD_DEFINE( GetMovieNaturalBoundsRect, (Movie m, Rect* r), (m,r) );
+ wxDL_METHOD_DEFINE( void*, GetMovieIndTrackType,
+ (Movie m, long index, OSType type, long flags),
+ (m,index,type,flags), NULL );
+ wxDL_VOIDMETHOD_DEFINE( CreatePortAssociation,
+ (void* hWnd, void* junk, long morejunk), (hWnd, junk, morejunk) );
+ wxDL_METHOD_DEFINE(void*, GetNativeWindowPort, (void* hWnd), (hWnd), NULL);
+ wxDL_VOIDMETHOD_DEFINE(SetMovieGWorld, (Movie m, CGrafPtr port, void* whatever),
+ (m, port, whatever) );
+ wxDL_VOIDMETHOD_DEFINE(DisposeMovie, (Movie m), (m) );
+ wxDL_VOIDMETHOD_DEFINE(SetMovieBox, (Movie m, Rect* r), (m,r));
+ wxDL_VOIDMETHOD_DEFINE(SetMovieTimeScale, (Movie m, long s), (m,s));
+ wxDL_METHOD_DEFINE(long, GetMovieDuration, (Movie m), (m), 0);
+ wxDL_METHOD_DEFINE(TimeBase, GetMovieTimeBase, (Movie m), (m), 0);
+ wxDL_METHOD_DEFINE(TimeScale, GetMovieTimeScale, (Movie m), (m), 0);
+ wxDL_METHOD_DEFINE(long, GetMovieTime, (Movie m, void* cruft), (m,cruft), 0);
+ wxDL_VOIDMETHOD_DEFINE(SetMovieTime, (Movie m, TimeRecord* tr), (m,tr) );
+ wxDL_METHOD_DEFINE(short, GetMovieVolume, (Movie m), (m), 0);
+ wxDL_VOIDMETHOD_DEFINE(SetMovieVolume, (Movie m, short sVolume), (m,sVolume) );
+ wxDL_VOIDMETHOD_DEFINE(SetMovieTimeValue, (Movie m, long s), (m,s));
+ wxDL_METHOD_DEFINE(ComponentInstance, NewMovieController, (Movie m, const Rect* mr, long fl), (m,mr,fl), 0);
+ wxDL_VOIDMETHOD_DEFINE(DisposeMovieController, (ComponentInstance ci), (ci));
+ wxDL_METHOD_DEFINE(int, MCSetVisible, (ComponentInstance m, int b), (m, b), 0);
+
+ wxDL_VOIDMETHOD_DEFINE(PrePrerollMovie, (Movie m, long t, Fixed r, WXFARPROC p1, void* p2), (m,t,r,p1,p2) );
+ wxDL_VOIDMETHOD_DEFINE(PrerollMovie, (Movie m, long t, Fixed r), (m,t,r) );
+ wxDL_METHOD_DEFINE(Fixed, GetMoviePreferredRate, (Movie m), (m), 0);
+ wxDL_METHOD_DEFINE(long, GetMovieLoadState, (Movie m), (m), 0);
+ wxDL_METHOD_DEFINE(void*, NewRoutineDescriptor, (WXFARPROC f, int l, void* junk), (f, l, junk), 0);
+ wxDL_VOIDMETHOD_DEFINE(DisposeRoutineDescriptor, (void* f), (f));
+ wxDL_METHOD_DEFINE(void*, GetCurrentArchitecture, (), (), 0);
+ wxDL_METHOD_DEFINE(int, MCDoAction, (ComponentInstance ci, long f, void* p), (ci,f,p), 0);
+ wxDL_VOIDMETHOD_DEFINE(MCSetControllerBoundsRect, (ComponentInstance ci, Rect* r), (ci,r));
+ wxDL_VOIDMETHOD_DEFINE(DestroyPortAssociation, (CGrafPtr g), (g));
+ wxDL_VOIDMETHOD_DEFINE(NativeEventToMacEvent, (MSG* p1, EventRecord* p2), (p1,p2));
+ wxDL_VOIDMETHOD_DEFINE(MCIsPlayerEvent, (ComponentInstance ci, EventRecord* p2), (ci, p2));
+ wxDL_METHOD_DEFINE(int, MCSetMovie, (ComponentInstance ci, Movie m, void* p1, Point w),
+ (ci,m,p1,w),0);
+ wxDL_VOIDMETHOD_DEFINE(MCPositionController,
+ (ComponentInstance ci, Rect* r, void* junk, void* morejunk), (ci,r,junk,morejunk));
+ wxDL_VOIDMETHOD_DEFINE(MCSetActionFilterWithRefCon,
+ (ComponentInstance ci, WXFARPROC cb, void* ref), (ci,cb,ref));
+ wxDL_VOIDMETHOD_DEFINE(MCGetControllerInfo, (MovieController mc, long* flags), (mc,flags));
+ wxDL_VOIDMETHOD_DEFINE(BeginUpdate, (CGrafPtr port), (port));
+ wxDL_VOIDMETHOD_DEFINE(UpdateMovie, (Movie m), (m));
+ wxDL_VOIDMETHOD_DEFINE(EndUpdate, (CGrafPtr port), (port));
+ wxDL_METHOD_DEFINE( OSErr, GetMoviesStickyError, (), (), -1);
+};
+
+bool wxQuickTimeLibrary::Initialize()
+{
+ m_ok = false;
+
+ // Turn off the wxDynamicLibrary logging as we're prepared to handle the
+ // errors
+ wxLogNull nolog;
+
+ if (!m_dll.Load(wxT("qtmlClient.dll")))
+ {
+ return false;
+ }
+
+ wxDL_METHOD_LOAD( m_dll, StartMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, StopMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, IsMovieDone, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GoToBeginningOfMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMoviesError, m_ok );
+ wxDL_METHOD_LOAD( m_dll, EnterMovies, m_ok );
+ wxDL_METHOD_LOAD( m_dll, ExitMovies, m_ok );
+ wxDL_METHOD_LOAD( m_dll, InitializeQTML, m_ok );
+ wxDL_METHOD_LOAD( m_dll, TerminateQTML, m_ok );
+ wxDL_METHOD_LOAD( m_dll, NativePathNameToFSSpec, m_ok );
+ wxDL_METHOD_LOAD( m_dll, OpenMovieFile, m_ok );
+ wxDL_METHOD_LOAD( m_dll, CloseMovieFile, m_ok );
+ wxDL_METHOD_LOAD( m_dll, NewMovieFromFile, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieRate, m_ok );
+ wxDL_METHOD_LOAD( m_dll, SetMovieRate, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MoviesTask, m_ok );
+ wxDL_METHOD_LOAD( m_dll, BlockMove, m_ok );
+ wxDL_METHOD_LOAD( m_dll, NewHandleClear, m_ok );
+ wxDL_METHOD_LOAD( m_dll, NewMovieFromDataRef, m_ok );
+ wxDL_METHOD_LOAD( m_dll, DisposeHandle, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieNaturalBoundsRect, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieIndTrackType, m_ok );
+ wxDL_METHOD_LOAD( m_dll, CreatePortAssociation, m_ok );
+ wxDL_METHOD_LOAD( m_dll, DestroyPortAssociation, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetNativeWindowPort, m_ok );
+ wxDL_METHOD_LOAD( m_dll, SetMovieGWorld, m_ok );
+ wxDL_METHOD_LOAD( m_dll, DisposeMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, SetMovieBox, m_ok );
+ wxDL_METHOD_LOAD( m_dll, SetMovieTimeScale, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieDuration, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieTimeBase, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieTimeScale, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieTime, m_ok );
+ wxDL_METHOD_LOAD( m_dll, SetMovieTime, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieVolume, m_ok );
+ wxDL_METHOD_LOAD( m_dll, SetMovieVolume, m_ok );
+ wxDL_METHOD_LOAD( m_dll, SetMovieTimeValue, m_ok );
+ wxDL_METHOD_LOAD( m_dll, NewMovieController, m_ok );
+ wxDL_METHOD_LOAD( m_dll, DisposeMovieController, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MCSetVisible, m_ok );
+ wxDL_METHOD_LOAD( m_dll, PrePrerollMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, PrerollMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMoviePreferredRate, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMovieLoadState, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MCDoAction, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MCSetControllerBoundsRect, m_ok );
+ wxDL_METHOD_LOAD( m_dll, NativeEventToMacEvent, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MCIsPlayerEvent, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MCSetMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MCSetActionFilterWithRefCon, m_ok );
+ wxDL_METHOD_LOAD( m_dll, MCGetControllerInfo, m_ok );
+ wxDL_METHOD_LOAD( m_dll, BeginUpdate, m_ok );
+ wxDL_METHOD_LOAD( m_dll, UpdateMovie, m_ok );
+ wxDL_METHOD_LOAD( m_dll, EndUpdate, m_ok );
+ wxDL_METHOD_LOAD( m_dll, GetMoviesStickyError, m_ok );
+
+ m_ok = true;
+
+ return true;
+}
+
+class WXDLLIMPEXP_MEDIA wxQTMediaBackend : public wxMediaBackendCommonBase
+{
+public:
+ wxQTMediaBackend();
+ virtual ~wxQTMediaBackend();
+
+ 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);
+
+ void Cleanup();
+ void FinishLoad();
+
+ static void PPRMProc (Movie theMovie, OSErr theErr, void* theRefCon);
+
+ // TODO: Last param actually long - does this work on 64bit machines?
+ static Boolean MCFilterProc(MovieController theController,
+ short action, void *params, LONG_PTR refCon);
+
+ static LRESULT CALLBACK QTWndProc(HWND, UINT, WPARAM, LPARAM);
+
+ virtual bool ShowPlayerControls(wxMediaCtrlPlayerControls flags);
+
+ wxSize m_bestSize; // Original movie size
+ Movie m_movie; // QT Movie handle/instance
+ bool m_bVideo; // Whether or not we have video
+ bool m_bPlaying; // Whether or not movie is playing
+ wxTimer* m_timer; // Load or Play timer
+ wxQuickTimeLibrary m_lib; // DLL to load functions from
+ ComponentInstance m_pMC; // Movie Controller
+
+ friend class wxQTMediaEvtHandler;
+
+ DECLARE_DYNAMIC_CLASS(wxQTMediaBackend)
+};
+
+// helper to hijack background erasing for the QT window
+class WXDLLIMPEXP_MEDIA wxQTMediaEvtHandler : public wxEvtHandler
+{
+public:
+ wxQTMediaEvtHandler(wxQTMediaBackend *qtb, WXHWND hwnd)
+ {
+ m_qtb = qtb;
+ m_hwnd = hwnd;
+
+ m_qtb->m_ctrl->Connect(m_qtb->m_ctrl->GetId(),
+ wxEVT_ERASE_BACKGROUND,
+ wxEraseEventHandler(wxQTMediaEvtHandler::OnEraseBackground),
+ NULL, this);
+ }
+
+ void OnEraseBackground(wxEraseEvent& event);
+
+private:
+ wxQTMediaBackend *m_qtb;
+ WXHWND m_hwnd;
+
+ DECLARE_NO_COPY_CLASS(wxQTMediaEvtHandler)
+};
+
+
+//===========================================================================
+// IMPLEMENTATION
+//===========================================================================
+
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend
+//
+// TODO: Use a less kludgy way to pause/get state/set state
+// FIXME: Greg Hazel reports that sometimes files that cannot be played
+// with this backend are treated as playable anyway - not verified though.
+//---------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxQTMediaBackend, wxMediaBackend)
+
+// Time between timer calls - this is the Apple recommendation to the TCL
+// team I believe
+#define MOVIE_DELAY 20
+
+//---------------------------------------------------------------------------
+// wxQTLoadTimer
+//
+// QT, esp. QT for Windows is very picky about how you go about
+// async loading. If you were to go through a Windows message loop
+// or a MoviesTask or both and then check the movie load state
+// it would still return 1000 (loading)... even (pre)prerolling doesn't
+// help. However, making a load timer like this works
+//---------------------------------------------------------------------------
+class wxQTLoadTimer : public wxTimer
+{
+public:
+ wxQTLoadTimer(Movie movie, wxQTMediaBackend* parent, wxQuickTimeLibrary* pLib) :
+ m_movie(movie), m_parent(parent), m_pLib(pLib) {}
+
+ void Notify()
+ {
+ m_pLib->MoviesTask(m_movie, 0);
+ // kMovieLoadStatePlayable
+ if (m_pLib->GetMovieLoadState(m_movie) >= 10000)
+ {
+ m_parent->FinishLoad();
+ delete this;
+ }
+ }
+
+protected:
+ Movie m_movie; //Our movie instance
+ wxQTMediaBackend* m_parent; //Backend pointer
+ wxQuickTimeLibrary* m_pLib; //Interfaces
+};
+
+
+// --------------------------------------------------------------------------
+// wxQTPlayTimer - Handle Asyncronous Playing
+//
+// 1) Checks to see if the movie is done, and if not continues
+// streaming the movie
+// 2) Sends the wxEVT_MEDIA_STOP event if we have reached the end of
+// the movie.
+// --------------------------------------------------------------------------
+class wxQTPlayTimer : public wxTimer
+{
+public:
+ wxQTPlayTimer(Movie movie, wxQTMediaBackend* parent,
+ wxQuickTimeLibrary* pLib) :
+ m_movie(movie), m_parent(parent), m_pLib(pLib) {}
+
+ void Notify()
+ {
+ //
+ // OK, a little explaining - basically originally
+ // we only called MoviesTask if the movie was actually
+ // playing (not paused or stopped)... this was before
+ // we realized MoviesTask actually handles repainting
+ // of the current frame - so if you were to resize
+ // or something it would previously not redraw that
+ // portion of the movie.
+ //
+ // So now we call MoviesTask always so that it repaints
+ // correctly.
+ //
+ m_pLib->MoviesTask(m_movie, 0);
+
+ //
+ // Handle the stop event - if the movie has reached
+ // the end, notify our handler
+ //
+ // m_bPlaying == !(Stopped | Paused)
+ //
+ if (m_parent->m_bPlaying)
+ {
+ if (m_pLib->IsMovieDone(m_movie))
+ {
+ if ( m_parent->SendStopEvent() )
+ {
+ m_parent->Stop();
+ wxASSERT(m_pLib->GetMoviesError() == noErr);
+
+ m_parent->QueueFinishEvent();
+ }
+ }
+ }
+ }
+
+protected:
+ Movie m_movie; // Our movie instance
+ wxQTMediaBackend* m_parent; //Backend pointer
+ wxQuickTimeLibrary* m_pLib; //Interfaces
+};
+
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::QTWndProc
+//
+// Forwards events to the Movie Controller so that it can
+// redraw itself/process messages etc..
+//---------------------------------------------------------------------------
+LRESULT CALLBACK wxQTMediaBackend::QTWndProc(HWND hWnd, UINT nMsg,
+ WPARAM wParam, LPARAM lParam)
+{
+ wxQTMediaBackend* pThis = (wxQTMediaBackend*)wxGetWindowUserData(hWnd);
+
+ MSG msg;
+ msg.hwnd = hWnd;
+ msg.message = nMsg;
+ msg.wParam = wParam;
+ msg.lParam = lParam;
+ msg.time = 0;
+ msg.pt.x = 0;
+ msg.pt.y = 0;
+ EventRecord theEvent;
+ pThis->m_lib.NativeEventToMacEvent(&msg, &theEvent);
+ pThis->m_lib.MCIsPlayerEvent(pThis->m_pMC, &theEvent);
+
+ return pThis->m_ctrl->MSWWindowProc(nMsg, wParam, lParam);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend Destructor
+//
+// Sets m_timer to NULL signifying we havn't loaded anything yet
+//---------------------------------------------------------------------------
+wxQTMediaBackend::wxQTMediaBackend()
+: m_movie(NULL), m_bPlaying(false), m_timer(NULL), m_pMC(NULL)
+{
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend Destructor
+//
+// 1) Cleans up the QuickTime movie instance
+// 2) Decrements the QuickTime reference counter - if this reaches
+// 0, QuickTime shuts down
+// 3) Decrements the QuickTime Windows Media Layer reference counter -
+// if this reaches 0, QuickTime shuts down the Windows Media Layer
+//---------------------------------------------------------------------------
+wxQTMediaBackend::~wxQTMediaBackend()
+{
+ if (m_movie)
+ Cleanup();
+
+ if (m_lib.IsOk())
+ {
+ if (m_pMC)
+ {
+ m_lib.DisposeMovieController(m_pMC);
+ // m_pMC = NULL;
+ }
+
+ // destroy wxQTMediaEvtHandler we pushed on it
+ m_ctrl->PopEventHandler(true);
+
+ m_lib.DestroyPortAssociation(
+ (CGrafPtr)m_lib.GetNativeWindowPort(m_ctrl->GetHWND()));
+
+ //Note that ExitMovies() is not necessary, but
+ //the docs are fuzzy on whether or not TerminateQTML is
+ m_lib.ExitMovies();
+ m_lib.TerminateQTML();
+ }
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::CreateControl
+//
+// 1) Intializes QuickTime
+// 2) Creates the control window
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ if (!m_lib.Initialize())
+ return false;
+
+ int nError = m_lib.InitializeQTML(0);
+ if (nError != noErr) //-2093 no dll
+ {
+ wxFAIL_MSG(wxString::Format(wxT("Couldn't Initialize Quicktime-%i"), nError));
+ return false;
+ }
+
+ m_lib.EnterMovies();
+
+ // Create window
+ // By default wxWindow(s) is created with a border -
+ // so we need to get rid of those
+ //
+ // Since we don't have a child window like most other
+ // backends, we don't need wxCLIP_CHILDREN
+ if ( !ctrl->wxControl::Create(parent, id, pos, size,
+ (style & ~wxBORDER_MASK) | wxBORDER_NONE,
+ validator, name) )
+ {
+ return false;
+ }
+
+ m_ctrl = wxStaticCast(ctrl, wxMediaCtrl);
+
+ // Create a port association for our window so we
+ // can use it as a WindowRef
+ m_lib.CreatePortAssociation(m_ctrl->GetHWND(), NULL, 0L);
+
+ // Part of a suggestion from Greg Hazel
+ // to repaint movie when idle
+ m_ctrl->PushEventHandler(new wxQTMediaEvtHandler(this, m_ctrl->GetHWND()));
+
+ // done
+ return true;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Load (file version)
+//
+// 1) Get an FSSpec from the Windows path name
+// 2) Open the movie
+// 3) Obtain the movie instance from the movie resource
+// 4) Close the movie resource
+// 5) Finish loading
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Load(const wxString& fileName)
+{
+ if (m_movie)
+ Cleanup();
+
+ bool result = true;
+ OSErr err = noErr;
+ short movieResFile = 0; //= 0 because of annoying VC6 warning
+ FSSpec sfFile;
+
+ err = m_lib.NativePathNameToFSSpec(
+ (char*) (const char*) fileName.mb_str(),
+ &sfFile, 0);
+ result = (err == noErr);
+
+ if (result)
+ {
+ err = m_lib.OpenMovieFile(&sfFile, &movieResFile, fsRdPerm);
+ result = (err == noErr);
+ }
+
+ if (result)
+ {
+ short movieResID = 0;
+ Str255 movieName;
+
+ err = m_lib.NewMovieFromFile(
+ &m_movie,
+ movieResFile,
+ &movieResID,
+ movieName,
+ newMovieActive,
+ NULL ); // wasChanged
+ result = (err == noErr /*&& m_lib.GetMoviesStickyError() == noErr*/);
+
+ // check m_lib.GetMoviesStickyError() because it may not find the
+ // proper codec and play black video and other strange effects,
+ // not to mention mess up the dynamic backend loading scheme
+ // of wxMediaCtrl - so it just does what the QuickTime player does
+ if (result)
+ {
+ m_lib.CloseMovieFile(movieResFile);
+ FinishLoad();
+ }
+ }
+
+ return result;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::PPRMProc (static)
+//
+// Called when done PrePrerolling the movie.
+// Note that in 99% of the cases this does nothing...
+// Anyway we set up the loading timer here to tell us when the movie is done
+//---------------------------------------------------------------------------
+void wxQTMediaBackend::PPRMProc (Movie theMovie,
+ OSErr WXUNUSED_UNLESS_DEBUG(theErr),
+ void* theRefCon)
+{
+ wxASSERT( theMovie );
+ wxASSERT( theRefCon );
+ wxASSERT( theErr == noErr );
+
+ wxQTMediaBackend* pBE = (wxQTMediaBackend*) theRefCon;
+
+ long lTime = pBE->m_lib.GetMovieTime(theMovie,NULL);
+ Fixed rate = pBE->m_lib.GetMoviePreferredRate(theMovie);
+ pBE->m_lib.PrerollMovie(theMovie, lTime, rate);
+ pBE->m_timer = new wxQTLoadTimer(pBE->m_movie, pBE, &pBE->m_lib);
+ pBE->m_timer->Start(MOVIE_DELAY);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Load (URL Version)
+//
+// 1) Build an escaped URI from location
+// 2) Create a handle to store the URI string
+// 3) Put the URI string inside the handle
+// 4) Make a QuickTime URL data ref from the handle with the URI in it
+// 5) Clean up the URI string handle
+// 6) Do some prerolling
+// 7) Finish Loading
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Load(const wxURI& location)
+{
+ if (m_movie)
+ Cleanup();
+
+ wxString theURI = location.BuildURI();
+
+ Handle theHandle = m_lib.NewHandleClear(theURI.length() + 1);
+ wxASSERT(theHandle);
+
+ m_lib.BlockMove(theURI.mb_str(), *theHandle, theURI.length() + 1);
+
+ // create the movie from the handle that refers to the URI
+ OSErr err = m_lib.NewMovieFromDataRef(&m_movie, newMovieActive |
+ newMovieAsyncOK
+ /* | newMovieIdleImportOK */,
+ NULL, theHandle,
+ URLDataHandlerSubType);
+
+ m_lib.DisposeHandle(theHandle);
+
+ if (err == noErr)
+ {
+ long timeNow;
+ Fixed playRate;
+
+ timeNow = m_lib.GetMovieTime(m_movie, NULL);
+ wxASSERT(m_lib.GetMoviesError() == noErr);
+
+ playRate = m_lib.GetMoviePreferredRate(m_movie);
+ wxASSERT(m_lib.GetMoviesError() == noErr);
+
+ // Note that the callback here is optional,
+ // but without it PrePrerollMovie can be buggy
+ // (see Apple ml). Also, some may wonder
+ // why we need this at all - this is because
+ // Apple docs say QuickTime streamed movies
+ // require it if you don't use a Movie Controller,
+ // which we don't by default.
+ //
+ m_lib.PrePrerollMovie(m_movie, timeNow, playRate,
+ (WXFARPROC)wxQTMediaBackend::PPRMProc,
+ (void*)this);
+
+ return true;
+ }
+ else
+ return false;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::FinishLoad
+//
+// 1) Create the movie timer
+// 2) Get real size of movie for GetBestSize/sizers
+// 3) Set the movie time scale to something usable so that seeking
+// etc. will work correctly
+// 4) Set our Movie Controller to display the movie if it exists,
+// otherwise set the bounds of the Movie
+// 5) Refresh parent window
+//---------------------------------------------------------------------------
+void wxQTMediaBackend::FinishLoad()
+{
+ // Create the playing/streaming timer
+ m_timer = new wxQTPlayTimer(m_movie, (wxQTMediaBackend*) this, &m_lib);
+ wxASSERT(m_timer);
+
+ m_timer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
+
+ // get the real size of the movie
+ Rect outRect;
+ memset(&outRect, 0, sizeof(Rect)); // suppress annoying VC6 warning
+ m_lib.GetMovieNaturalBoundsRect (m_movie, &outRect);
+ wxASSERT(m_lib.GetMoviesError() == noErr);
+
+ m_bestSize.x = outRect.right - outRect.left;
+ m_bestSize.y = outRect.bottom - outRect.top;
+
+ // Handle the movie GWorld
+ if (m_pMC)
+ {
+ Point thePoint;
+ thePoint.h = thePoint.v = 0;
+ m_lib.MCSetMovie(m_pMC, m_movie,
+ m_lib.GetNativeWindowPort(m_ctrl->GetHandle()),
+ thePoint);
+ m_lib.MCSetVisible(m_pMC, true);
+ m_bestSize.y += 16;
+ }
+ else
+ {
+ m_lib.SetMovieGWorld(m_movie,
+ (CGrafPtr) m_lib.GetNativeWindowPort(m_ctrl->GetHWND()),
+ NULL);
+ }
+
+ // Set the movie to millisecond precision
+ m_lib.SetMovieTimeScale(m_movie, 1000);
+ wxASSERT(m_lib.GetMoviesError() == noErr);
+
+ NotifyMovieLoaded();
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Play
+//
+// 1) Start the QT movie
+// 2) Start the movie loading timer
+//
+// NOTE: This will still return success even when
+// the movie is still loading, and as mentioned in wxQTLoadTimer
+// I don't know of a way to force this to be sync - so if its
+// still loading the function will return true but the movie will
+// still be in the stopped state
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Play()
+{
+ m_lib.StartMovie(m_movie);
+ m_bPlaying = true;
+
+ return m_lib.GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Pause
+//
+// 1) Stop the movie
+// 2) Stop the movie timer
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Pause()
+{
+ m_bPlaying = false;
+ m_lib.StopMovie(m_movie);
+
+ return m_lib.GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Stop
+//
+// 1) Stop the movie
+// 2) Stop the movie timer
+// 3) Seek to the beginning of the movie
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::Stop()
+{
+ m_bPlaying = false;
+
+ m_lib.StopMovie(m_movie);
+ if (m_lib.GetMoviesError() == noErr)
+ m_lib.GoToBeginningOfMovie(m_movie);
+
+ return m_lib.GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::GetPlaybackRate
+//
+// Get the movie playback rate from ::GetMovieRate
+//---------------------------------------------------------------------------
+double wxQTMediaBackend::GetPlaybackRate()
+{
+ return ( ((double)m_lib.GetMovieRate(m_movie)) / 0x10000);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::SetPlaybackRate
+//
+// Convert dRate to Fixed and Set the movie rate through SetMovieRate
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::SetPlaybackRate(double dRate)
+{
+ m_lib.SetMovieRate(m_movie, (Fixed) (dRate * 0x10000));
+
+ return m_lib.GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::SetPosition
+//
+// 1) Create a time record struct (TimeRecord) with appropriate values
+// 2) Pass struct to SetMovieTime
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::SetPosition(wxLongLong where)
+{
+ // NB: For some reason SetMovieTime does not work
+ // correctly with the Quicktime Windows SDK (6)
+ // From Muskelkatermann at the wxForum
+ // http://www.solidsteel.nl/users/wxwidgets/viewtopic.php?t=2957
+ // RN - note that I have not verified this but there
+ // is no harm in calling SetMovieTimeValue instead
+#if 0
+ TimeRecord theTimeRecord;
+ memset(&theTimeRecord, 0, sizeof(TimeRecord));
+ theTimeRecord.value.lo = where.GetLo();
+ theTimeRecord.scale = m_lib.GetMovieTimeScale(m_movie);
+ theTimeRecord.base = m_lib.GetMovieTimeBase(m_movie);
+ m_lib.SetMovieTime(m_movie, &theTimeRecord);
+#else
+ m_lib.SetMovieTimeValue(m_movie, where.GetLo());
+#endif
+
+ return (m_lib.GetMoviesError() == noErr);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::GetPosition
+//
+// 1) Calls GetMovieTime to get the position we are in in the movie
+// in milliseconds (we called
+//---------------------------------------------------------------------------
+wxLongLong wxQTMediaBackend::GetPosition()
+{
+ return m_lib.GetMovieTime(m_movie, NULL);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::GetVolume
+//
+// Gets the volume through GetMovieVolume - which returns a 16 bit short -
+//
+// +--------+--------+
+// + (1) + (2) +
+// +--------+--------+
+//
+// (1) first 8 bits are value before decimal
+// (2) second 8 bits are value after decimal
+//
+// Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to
+// 1 (full gain and sound)
+//---------------------------------------------------------------------------
+double wxQTMediaBackend::GetVolume()
+{
+ short sVolume = m_lib.GetMovieVolume(m_movie);
+ wxASSERT(m_lib.GetMoviesError() == noErr);
+
+ if (sVolume & (128 << 8)) //negative - no sound
+ return 0.0;
+
+ return sVolume / 256.0;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::SetVolume
+//
+// Sets the volume through SetMovieVolume - which takes a 16 bit short -
+//
+// +--------+--------+
+// + (1) + (2) +
+// +--------+--------+
+//
+// (1) first 8 bits are value before decimal
+// (2) second 8 bits are value after decimal
+//
+// Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to
+// 1 (full gain and sound)
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::SetVolume(double dVolume)
+{
+ m_lib.SetMovieVolume(m_movie, (short) (dVolume * 256));
+ return m_lib.GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::GetDuration
+//
+// Calls GetMovieDuration
+//---------------------------------------------------------------------------
+wxLongLong wxQTMediaBackend::GetDuration()
+{
+ return m_lib.GetMovieDuration(m_movie);
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::GetState
+//
+// Determines the current state:
+// if we are at the beginning, then we are stopped
+//---------------------------------------------------------------------------
+wxMediaState wxQTMediaBackend::GetState()
+{
+ if (m_bPlaying)
+ return wxMEDIASTATE_PLAYING;
+ else if ( !m_movie || wxQTMediaBackend::GetPosition() == 0 )
+ return wxMEDIASTATE_STOPPED;
+ else
+ return wxMEDIASTATE_PAUSED;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Cleanup
+//
+// Diposes of the movie timer, Disassociates the Movie Controller with
+// movie and hides it if it exists, and stops and disposes
+// of the QT movie
+//---------------------------------------------------------------------------
+void wxQTMediaBackend::Cleanup()
+{
+ m_bPlaying = false;
+
+ if (m_timer)
+ {
+ delete m_timer;
+ m_timer = NULL;
+ }
+
+ m_lib.StopMovie(m_movie);
+
+ if (m_pMC)
+ {
+ Point thePoint;
+ thePoint.h = thePoint.v = 0;
+ m_lib.MCSetVisible(m_pMC, false);
+ m_lib.MCSetMovie(m_pMC, NULL, NULL, thePoint);
+ }
+
+ m_lib.DisposeMovie(m_movie);
+ m_movie = NULL;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::ShowPlayerControls
+//
+// Creates a movie controller for the Movie if the user wants it
+//---------------------------------------------------------------------------
+bool wxQTMediaBackend::ShowPlayerControls(wxMediaCtrlPlayerControls flags)
+{
+ if (m_pMC)
+ {
+ // restore old wndproc
+ wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxWndProc);
+ m_lib.DisposeMovieController(m_pMC);
+ m_pMC = NULL;
+
+ // movie controller height
+ m_bestSize.y -= 16;
+ }
+
+ if (flags && m_movie)
+ {
+ Rect rect;
+ wxRect wxrect = m_ctrl->GetClientRect();
+
+ // make room for controller
+ if (wxrect.width < 320)
+ wxrect.width = 320;
+
+ rect.top = (short)wxrect.y;
+ rect.left = (short)wxrect.x;
+ rect.right = (short)(rect.left + wxrect.width);
+ rect.bottom = (short)(rect.top + wxrect.height);
+
+ if (!m_pMC)
+ {
+ m_pMC = m_lib.NewMovieController(m_movie, &rect, mcTopLeftMovie |
+ // mcScaleMovieToFit |
+ // mcWithBadge |
+ mcWithFrame);
+ m_lib.MCDoAction(m_pMC, 32, (void*)true); // mcActionSetKeysEnabled
+ m_lib.MCSetActionFilterWithRefCon(m_pMC,
+ (WXFARPROC)wxQTMediaBackend::MCFilterProc, (void*)this);
+ m_bestSize.y += 16; // movie controller height
+
+ // By default the movie controller uses its own colour palette
+ // for the movie which can be bad on some files, so turn it off.
+ // Also turn off its frame / border for the movie
+ // Also take care of a couple of the interface flags here
+ long mcFlags = 0;
+ m_lib.MCDoAction(m_pMC, 39/*mcActionGetFlags*/, (void*)&mcFlags);
+
+ mcFlags |=
+ // (1<< 0) /*mcFlagSuppressMovieFrame*/ |
+ (1<< 3) /*mcFlagsUseWindowPalette*/
+ | ((flags & wxMEDIACTRLPLAYERCONTROLS_STEP)
+ ? 0 : (1<< 1) /*mcFlagSuppressStepButtons*/)
+ | ((flags & wxMEDIACTRLPLAYERCONTROLS_VOLUME)
+ ? 0 : (1<< 2) /*mcFlagSuppressSpeakerButton*/)
+// | (1<< 4) /*mcFlagDontInvalidate*/ // if we take care of repainting ourselves
+ ;
+
+ m_lib.MCDoAction(m_pMC, 38/*mcActionSetFlags*/, (void*)mcFlags);
+
+ // intercept the wndproc of our control window
+ wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxQTMediaBackend::QTWndProc);
+
+ // set the user data of our window
+ wxSetWindowUserData((HWND)m_ctrl->GetHWND(), this);
+ }
+ }
+
+ NotifyMovieSizeChanged();
+
+ return m_lib.GetMoviesError() == noErr;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::MCFilterProc (static)
+//
+// Callback for when the movie controller recieves a message
+//---------------------------------------------------------------------------
+Boolean wxQTMediaBackend::MCFilterProc(MovieController WXUNUSED(theController),
+ short action,
+ void * WXUNUSED(params),
+ LONG_PTR refCon)
+{
+// NB: potential optimisation
+// if (action == 1)
+// return 0;
+
+ wxQTMediaBackend* pThis = (wxQTMediaBackend*)refCon;
+
+ switch (action)
+ {
+ case 1:
+ // don't process idle events
+ break;
+
+ case 8:
+ // play button triggered - MC will set movie to opposite state
+ // of current - playing ? paused : playing
+ if (pThis)
+ pThis->m_bPlaying = !(pThis->m_bPlaying);
+
+ // NB: Sometimes it doesn't redraw properly -
+ // if you click on the button but don't move the mouse
+ // the button will not change its state until you move
+ // mcActionDraw and Refresh/Update combo do nothing
+ // to help this unfortunately
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::GetVideoSize
+//
+// Returns the actual size of the QT movie
+//---------------------------------------------------------------------------
+wxSize wxQTMediaBackend::GetVideoSize() const
+{
+ return m_bestSize;
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::Move
+//
+// Sets the bounds of either the Movie or Movie Controller
+//---------------------------------------------------------------------------
+void wxQTMediaBackend::Move(int WXUNUSED(x), int WXUNUSED(y), int w, int h)
+{
+ if (m_movie)
+ {
+ // make room for controller
+ if (m_pMC)
+ {
+ if (w < 320)
+ w = 320;
+
+ Rect theRect = {0, 0, (short)h, (short)w};
+ m_lib.MCSetControllerBoundsRect(m_pMC, &theRect);
+ }
+ else
+ {
+ Rect theRect = {0, 0, (short)h, (short)w};
+ m_lib.SetMovieBox(m_movie, &theRect);
+ }
+
+ wxASSERT(m_lib.GetMoviesError() == noErr);
+ }
+}
+
+//---------------------------------------------------------------------------
+// wxQTMediaBackend::OnEraseBackground
+//
+// Suggestion from Greg Hazel to repaint the movie when idle
+// (on pause also)
+//
+// TODO: We may be repainting too much here - under what exact circumstances
+// do we need this? I think Move also repaints correctly for the Movie
+// Controller, so in that instance we don't need this either
+//---------------------------------------------------------------------------
+void wxQTMediaEvtHandler::OnEraseBackground(wxEraseEvent& evt)
+{
+ wxQuickTimeLibrary& m_pLib = m_qtb->m_lib;
+
+ if ( m_qtb->m_pMC )
+ {
+ // repaint movie controller
+ m_pLib.MCDoAction(m_qtb->m_pMC, 2 /*mcActionDraw*/,
+ m_pLib.GetNativeWindowPort(m_hwnd));
+ }
+ else if ( m_qtb->m_movie )
+ {
+ // no movie controller
+ CGrafPtr port = (CGrafPtr)m_pLib.GetNativeWindowPort(m_hwnd);
+
+ m_pLib.BeginUpdate(port);
+ m_pLib.UpdateMovie(m_qtb->m_movie);
+ wxASSERT(m_pLib.GetMoviesError() == noErr);
+ m_pLib.EndUpdate(port);
+ }
+ else
+ {
+ // no movie
+ // let the system repaint the window
+ evt.Skip();
+ }
+}
+
+//---------------------------------------------------------------------------
+// End QT Backend
+//---------------------------------------------------------------------------
+
+// in source file that contains stuff you don't directly use
+#include "wx/html/forcelnk.h"
+FORCE_LINK_ME(wxmediabackend_qt)
+
+#endif // wxUSE_MEDIACTRL && wxUSE_ACTIVEX