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fix more Borland release build warnings about unused variable/code without effect
[wxWidgets.git] / src / msw / mediactrl_qt.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/mediactrl_qt.cpp
3 // Purpose: QuickTime Media Backend for Windows
4 // Author: Ryan Norton <wxprojects@comcast.net>
5 // Modified by: Robin Dunn (moved QT code from mediactrl.cpp)
6 //
7 // Created: 11/07/04
8 // RCS-ID: $Id$
9 // Copyright: (c) Ryan Norton
10 // Licence: wxWindows licence
11 /////////////////////////////////////////////////////////////////////////////
12
13
14 //===========================================================================
15 // DECLARATIONS
16 //===========================================================================
17
18 //---------------------------------------------------------------------------
19 // Pre-compiled header stuff
20 //---------------------------------------------------------------------------
21
22 // For compilers that support precompilation, includes "wx.h".
23 #include "wx/wxprec.h"
24
25 #ifdef __BORLANDC__
26 #pragma hdrstop
27 #endif
28
29 #if wxUSE_MEDIACTRL
30
31 #include "wx/mediactrl.h"
32
33 #ifndef WX_PRECOMP
34 #include "wx/log.h"
35 #include "wx/dcclient.h"
36 #include "wx/timer.h"
37 #include "wx/math.h" // log10 & pow
38 #endif
39
40 #include "wx/msw/private.h" // user info and wndproc setting/getting
41 #include "wx/dynlib.h"
42
43 //---------------------------------------------------------------------------
44 // Externals (somewhere in src/msw/app.cpp and src/msw/window.cpp)
45 //---------------------------------------------------------------------------
46 extern "C" WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(void);
47 #ifdef __WXWINCE__
48 extern WXDLLIMPEXP_CORE wxChar *wxCanvasClassName;
49 #else
50 extern WXDLLIMPEXP_CORE const wxChar *wxCanvasClassName;
51 #endif
52
53 LRESULT WXDLLIMPEXP_CORE APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message,
54 WPARAM wParam, LPARAM lParam);
55
56 //---------------------------------------------------------------------------
57 // Killed MSVC warnings
58 //---------------------------------------------------------------------------
59 //disable "cast truncates constant value" for VARIANT_BOOL values
60 //passed as parameters in VC5 and up
61 #ifdef _MSC_VER
62 #pragma warning (disable:4310)
63 #endif
64
65
66 //---------------------------------------------------------------------------
67 // wxQTMediaBackend
68 //
69 // We don't include Quicktime headers here and define all the types
70 // ourselves because looking for the quicktime libaries etc. would
71 // be tricky to do and making this a dependency for the MSVC projects
72 // would be unrealistic.
73 //
74 // Thanks to Robert Roebling for the wxDL macro/library idea
75 //---------------------------------------------------------------------------
76
77 //---------------------------------------------------------------------------
78 // QT Includes
79 //---------------------------------------------------------------------------
80 //#include <qtml.h> // Windoze QT include
81 //#include <QuickTimeComponents.h> // Standard QT stuff
82 #include "wx/dynlib.h"
83
84 //---------------------------------------------------------------------------
85 // QT Types
86 //---------------------------------------------------------------------------
87 typedef struct MovieRecord* Movie;
88 typedef wxInt16 OSErr;
89 typedef wxInt32 OSStatus;
90 #define noErr 0
91 #define fsRdPerm 1
92 typedef unsigned char Str255[256];
93 #define StringPtr unsigned char*
94 #define newMovieActive 1
95 #define newMovieAsyncOK (1 << 8)
96 #define Ptr char*
97 #define Handle Ptr*
98 #define Fixed long
99 #define OSType unsigned long
100 #define CGrafPtr struct GrafPort *
101 #define TimeScale long
102 #define TimeBase struct TimeBaseRecord *
103 typedef struct ComponentInstanceRecord * ComponentInstance;
104 #define kMovieLoadStatePlayable 10000
105 #define Boolean int
106 #define MovieController ComponentInstance
107
108 #ifndef URLDataHandlerSubType
109 #if defined(__WATCOMC__) || defined(__MINGW32__)
110 // use magic numbers for compilers which complain about multicharacter integers
111 const OSType URLDataHandlerSubType = 1970433056;
112 const OSType VisualMediaCharacteristic = 1702454643;
113 #else
114 const OSType URLDataHandlerSubType = 'url ';
115 const OSType VisualMediaCharacteristic = 'eyes';
116 #endif
117 #endif
118
119 struct FSSpec
120 {
121 short vRefNum;
122 long parID;
123 Str255 name; // Str63 on mac, Str255 on msw
124 };
125
126 struct Rect
127 {
128 short top;
129 short left;
130 short bottom;
131 short right;
132 };
133
134 struct wide
135 {
136 wxInt32 hi;
137 wxUint32 lo;
138 };
139
140 struct TimeRecord
141 {
142 wide value; // units
143 TimeScale scale; // units per second
144 TimeBase base;
145 };
146
147 struct Point
148 {
149 short v;
150 short h;
151 };
152
153 struct EventRecord
154 {
155 wxUint16 what;
156 wxUint32 message;
157 wxUint32 when;
158 Point where;
159 wxUint16 modifiers;
160 };
161
162 enum
163 {
164 mcTopLeftMovie = 1,
165 mcScaleMovieToFit = 2,
166 mcWithBadge = 4,
167 mcNotVisible = 8,
168 mcWithFrame = 16
169 };
170
171 //---------------------------------------------------------------------------
172 // QT Library
173 //---------------------------------------------------------------------------
174
175 class WXDLLIMPEXP_MEDIA wxQuickTimeLibrary
176 {
177 public:
178 ~wxQuickTimeLibrary()
179 {
180 if (m_dll.IsLoaded())
181 m_dll.Unload();
182 }
183
184 bool Initialize();
185 bool IsOk() const {return m_ok;}
186
187 protected:
188 wxDynamicLibrary m_dll;
189 bool m_ok;
190
191 public:
192 wxDL_VOIDMETHOD_DEFINE( StartMovie, (Movie m), (m) )
193 wxDL_VOIDMETHOD_DEFINE( StopMovie, (Movie m), (m) )
194 wxDL_METHOD_DEFINE( bool, IsMovieDone, (Movie m), (m), false)
195 wxDL_VOIDMETHOD_DEFINE( GoToBeginningOfMovie, (Movie m), (m) )
196 wxDL_METHOD_DEFINE( OSErr, GetMoviesError, (), (), -1)
197 wxDL_METHOD_DEFINE( OSErr, EnterMovies, (), (), -1)
198 wxDL_VOIDMETHOD_DEFINE( ExitMovies, (), () )
199 wxDL_METHOD_DEFINE( OSErr, InitializeQTML, (long flags), (flags), -1)
200 wxDL_VOIDMETHOD_DEFINE( TerminateQTML, (), () )
201
202 wxDL_METHOD_DEFINE( OSErr, NativePathNameToFSSpec,
203 (char* inName, FSSpec* outFile, long flags),
204 (inName, outFile, flags), -1)
205
206 wxDL_METHOD_DEFINE( OSErr, OpenMovieFile,
207 (const FSSpec * fileSpec, short * resRefNum, wxInt8 permission),
208 (fileSpec, resRefNum, permission), -1 )
209
210 wxDL_METHOD_DEFINE( OSErr, CloseMovieFile,
211 (short resRefNum), (resRefNum), -1)
212
213 wxDL_METHOD_DEFINE( OSErr, NewMovieFromFile,
214 (Movie * theMovie, short resRefNum, short * resId,
215 StringPtr resName, short newMovieFlags,
216 bool * dataRefWasChanged),
217 (theMovie, resRefNum, resId, resName, newMovieFlags,
218 dataRefWasChanged), -1)
219
220 wxDL_VOIDMETHOD_DEFINE( SetMovieRate, (Movie m, Fixed rate), (m, rate) )
221 wxDL_METHOD_DEFINE( Fixed, GetMovieRate, (Movie m), (m), 0)
222 wxDL_VOIDMETHOD_DEFINE( MoviesTask, (Movie m, long maxms), (m, maxms) )
223 wxDL_VOIDMETHOD_DEFINE( BlockMove,
224 (const char* p1, const char* p2, long s), (p1,p2,s) )
225 wxDL_METHOD_DEFINE( Handle, NewHandleClear, (long s), (s), NULL )
226
227 wxDL_METHOD_DEFINE( OSErr, NewMovieFromDataRef,
228 (Movie * m, short flags, short * id,
229 Handle dataRef, OSType dataRefType),
230 (m,flags,id,dataRef,dataRefType), -1 )
231
232 wxDL_VOIDMETHOD_DEFINE( DisposeHandle, (Handle h), (h) )
233 wxDL_VOIDMETHOD_DEFINE( GetMovieNaturalBoundsRect, (Movie m, Rect* r), (m,r) )
234 wxDL_METHOD_DEFINE( void*, GetMovieIndTrackType,
235 (Movie m, long index, OSType type, long flags),
236 (m,index,type,flags), NULL )
237 wxDL_VOIDMETHOD_DEFINE( CreatePortAssociation,
238 (void* hWnd, void* junk, long morejunk), (hWnd, junk, morejunk) )
239 wxDL_METHOD_DEFINE(void*, GetNativeWindowPort, (void* hWnd), (hWnd), NULL)
240 wxDL_VOIDMETHOD_DEFINE(SetMovieGWorld, (Movie m, CGrafPtr port, void* whatever),
241 (m, port, whatever) )
242 wxDL_VOIDMETHOD_DEFINE(DisposeMovie, (Movie m), (m) )
243 wxDL_VOIDMETHOD_DEFINE(SetMovieBox, (Movie m, Rect* r), (m,r))
244 wxDL_VOIDMETHOD_DEFINE(SetMovieTimeScale, (Movie m, long s), (m,s))
245 wxDL_METHOD_DEFINE(long, GetMovieDuration, (Movie m), (m), 0)
246 wxDL_METHOD_DEFINE(TimeBase, GetMovieTimeBase, (Movie m), (m), 0)
247 wxDL_METHOD_DEFINE(TimeScale, GetMovieTimeScale, (Movie m), (m), 0)
248 wxDL_METHOD_DEFINE(long, GetMovieTime, (Movie m, void* cruft), (m,cruft), 0)
249 wxDL_VOIDMETHOD_DEFINE(SetMovieTime, (Movie m, TimeRecord* tr), (m,tr) )
250 wxDL_METHOD_DEFINE(short, GetMovieVolume, (Movie m), (m), 0)
251 wxDL_VOIDMETHOD_DEFINE(SetMovieVolume, (Movie m, short sVolume), (m,sVolume) )
252 wxDL_VOIDMETHOD_DEFINE(SetMovieTimeValue, (Movie m, long s), (m,s))
253 wxDL_METHOD_DEFINE(ComponentInstance, NewMovieController, (Movie m, const Rect* mr, long fl), (m,mr,fl), 0)
254 wxDL_VOIDMETHOD_DEFINE(DisposeMovieController, (ComponentInstance ci), (ci))
255 wxDL_METHOD_DEFINE(int, MCSetVisible, (ComponentInstance m, int b), (m, b), 0)
256
257 wxDL_VOIDMETHOD_DEFINE(PrePrerollMovie, (Movie m, long t, Fixed r, WXFARPROC p1, void* p2), (m,t,r,p1,p2) )
258 wxDL_VOIDMETHOD_DEFINE(PrerollMovie, (Movie m, long t, Fixed r), (m,t,r) )
259 wxDL_METHOD_DEFINE(Fixed, GetMoviePreferredRate, (Movie m), (m), 0)
260 wxDL_METHOD_DEFINE(long, GetMovieLoadState, (Movie m), (m), 0)
261 wxDL_METHOD_DEFINE(void*, NewRoutineDescriptor, (WXFARPROC f, int l, void* junk), (f, l, junk), 0)
262 wxDL_VOIDMETHOD_DEFINE(DisposeRoutineDescriptor, (void* f), (f))
263 wxDL_METHOD_DEFINE(void*, GetCurrentArchitecture, (), (), 0)
264 wxDL_METHOD_DEFINE(int, MCDoAction, (ComponentInstance ci, long f, void* p), (ci,f,p), 0)
265 wxDL_VOIDMETHOD_DEFINE(MCSetControllerBoundsRect, (ComponentInstance ci, Rect* r), (ci,r))
266 wxDL_VOIDMETHOD_DEFINE(DestroyPortAssociation, (CGrafPtr g), (g))
267 wxDL_VOIDMETHOD_DEFINE(NativeEventToMacEvent, (MSG* p1, EventRecord* p2), (p1,p2))
268 wxDL_VOIDMETHOD_DEFINE(MCIsPlayerEvent, (ComponentInstance ci, EventRecord* p2), (ci, p2))
269 wxDL_METHOD_DEFINE(int, MCSetMovie, (ComponentInstance ci, Movie m, void* p1, Point w),
270 (ci,m,p1,w),0)
271 wxDL_VOIDMETHOD_DEFINE(MCPositionController,
272 (ComponentInstance ci, Rect* r, void* junk, void* morejunk), (ci,r,junk,morejunk))
273 wxDL_VOIDMETHOD_DEFINE(MCSetActionFilterWithRefCon,
274 (ComponentInstance ci, WXFARPROC cb, void* ref), (ci,cb,ref))
275 wxDL_VOIDMETHOD_DEFINE(MCGetControllerInfo, (MovieController mc, long* flags), (mc,flags))
276 wxDL_VOIDMETHOD_DEFINE(BeginUpdate, (CGrafPtr port), (port))
277 wxDL_VOIDMETHOD_DEFINE(UpdateMovie, (Movie m), (m))
278 wxDL_VOIDMETHOD_DEFINE(EndUpdate, (CGrafPtr port), (port))
279 wxDL_METHOD_DEFINE( OSErr, GetMoviesStickyError, (), (), -1)
280 };
281
282 bool wxQuickTimeLibrary::Initialize()
283 {
284 // Turn off the wxDynamicLibrary logging as we're prepared to handle the
285 // errors
286 wxLogNull nolog;
287
288 m_ok = m_dll.Load(wxT("qtmlClient.dll"));
289 if ( !m_ok )
290 return false;
291
292 wxDL_METHOD_LOAD( m_dll, StartMovie );
293 wxDL_METHOD_LOAD( m_dll, StopMovie );
294 wxDL_METHOD_LOAD( m_dll, IsMovieDone );
295 wxDL_METHOD_LOAD( m_dll, GoToBeginningOfMovie );
296 wxDL_METHOD_LOAD( m_dll, GetMoviesError );
297 wxDL_METHOD_LOAD( m_dll, EnterMovies );
298 wxDL_METHOD_LOAD( m_dll, ExitMovies );
299 wxDL_METHOD_LOAD( m_dll, InitializeQTML );
300 wxDL_METHOD_LOAD( m_dll, TerminateQTML );
301 wxDL_METHOD_LOAD( m_dll, NativePathNameToFSSpec );
302 wxDL_METHOD_LOAD( m_dll, OpenMovieFile );
303 wxDL_METHOD_LOAD( m_dll, CloseMovieFile );
304 wxDL_METHOD_LOAD( m_dll, NewMovieFromFile );
305 wxDL_METHOD_LOAD( m_dll, GetMovieRate );
306 wxDL_METHOD_LOAD( m_dll, SetMovieRate );
307 wxDL_METHOD_LOAD( m_dll, MoviesTask );
308 wxDL_METHOD_LOAD( m_dll, BlockMove );
309 wxDL_METHOD_LOAD( m_dll, NewHandleClear );
310 wxDL_METHOD_LOAD( m_dll, NewMovieFromDataRef );
311 wxDL_METHOD_LOAD( m_dll, DisposeHandle );
312 wxDL_METHOD_LOAD( m_dll, GetMovieNaturalBoundsRect );
313 wxDL_METHOD_LOAD( m_dll, GetMovieIndTrackType );
314 wxDL_METHOD_LOAD( m_dll, CreatePortAssociation );
315 wxDL_METHOD_LOAD( m_dll, DestroyPortAssociation );
316 wxDL_METHOD_LOAD( m_dll, GetNativeWindowPort );
317 wxDL_METHOD_LOAD( m_dll, SetMovieGWorld );
318 wxDL_METHOD_LOAD( m_dll, DisposeMovie );
319 wxDL_METHOD_LOAD( m_dll, SetMovieBox );
320 wxDL_METHOD_LOAD( m_dll, SetMovieTimeScale );
321 wxDL_METHOD_LOAD( m_dll, GetMovieDuration );
322 wxDL_METHOD_LOAD( m_dll, GetMovieTimeBase );
323 wxDL_METHOD_LOAD( m_dll, GetMovieTimeScale );
324 wxDL_METHOD_LOAD( m_dll, GetMovieTime );
325 wxDL_METHOD_LOAD( m_dll, SetMovieTime );
326 wxDL_METHOD_LOAD( m_dll, GetMovieVolume );
327 wxDL_METHOD_LOAD( m_dll, SetMovieVolume );
328 wxDL_METHOD_LOAD( m_dll, SetMovieTimeValue );
329 wxDL_METHOD_LOAD( m_dll, NewMovieController );
330 wxDL_METHOD_LOAD( m_dll, DisposeMovieController );
331 wxDL_METHOD_LOAD( m_dll, MCSetVisible );
332 wxDL_METHOD_LOAD( m_dll, PrePrerollMovie );
333 wxDL_METHOD_LOAD( m_dll, PrerollMovie );
334 wxDL_METHOD_LOAD( m_dll, GetMoviePreferredRate );
335 wxDL_METHOD_LOAD( m_dll, GetMovieLoadState );
336 wxDL_METHOD_LOAD( m_dll, MCDoAction );
337 wxDL_METHOD_LOAD( m_dll, MCSetControllerBoundsRect );
338 wxDL_METHOD_LOAD( m_dll, NativeEventToMacEvent );
339 wxDL_METHOD_LOAD( m_dll, MCIsPlayerEvent );
340 wxDL_METHOD_LOAD( m_dll, MCSetMovie );
341 wxDL_METHOD_LOAD( m_dll, MCSetActionFilterWithRefCon );
342 wxDL_METHOD_LOAD( m_dll, MCGetControllerInfo );
343 wxDL_METHOD_LOAD( m_dll, BeginUpdate );
344 wxDL_METHOD_LOAD( m_dll, UpdateMovie );
345 wxDL_METHOD_LOAD( m_dll, EndUpdate );
346 wxDL_METHOD_LOAD( m_dll, GetMoviesStickyError );
347
348 return m_ok;
349 }
350
351 class WXDLLIMPEXP_MEDIA wxQTMediaBackend : public wxMediaBackendCommonBase
352 {
353 public:
354 wxQTMediaBackend();
355 virtual ~wxQTMediaBackend();
356
357 virtual bool CreateControl(wxControl* ctrl, wxWindow* parent,
358 wxWindowID id,
359 const wxPoint& pos,
360 const wxSize& size,
361 long style,
362 const wxValidator& validator,
363 const wxString& name);
364
365 virtual bool Play();
366 virtual bool Pause();
367 virtual bool Stop();
368
369 virtual bool Load(const wxURI& location,
370 const wxURI& proxy)
371 { return wxMediaBackend::Load(location, proxy); }
372
373 virtual bool Load(const wxString& fileName);
374 virtual bool Load(const wxURI& location);
375
376 virtual wxMediaState GetState();
377
378 virtual bool SetPosition(wxLongLong where);
379 virtual wxLongLong GetPosition();
380 virtual wxLongLong GetDuration();
381
382 virtual void Move(int x, int y, int w, int h);
383 wxSize GetVideoSize() const;
384
385 virtual double GetPlaybackRate();
386 virtual bool SetPlaybackRate(double dRate);
387
388 virtual double GetVolume();
389 virtual bool SetVolume(double);
390
391 void Cleanup();
392 void FinishLoad();
393
394 static void PPRMProc (Movie theMovie, OSErr theErr, void* theRefCon);
395
396 // TODO: Last param actually long - does this work on 64bit machines?
397 static Boolean MCFilterProc(MovieController theController,
398 short action, void *params, LONG_PTR refCon);
399
400 static LRESULT CALLBACK QTWndProc(HWND, UINT, WPARAM, LPARAM);
401
402 virtual bool ShowPlayerControls(wxMediaCtrlPlayerControls flags);
403
404 wxSize m_bestSize; // Original movie size
405 Movie m_movie; // QT Movie handle/instance
406 bool m_bVideo; // Whether or not we have video
407 bool m_bPlaying; // Whether or not movie is playing
408 wxTimer* m_timer; // Load or Play timer
409 wxQuickTimeLibrary m_lib; // DLL to load functions from
410 ComponentInstance m_pMC; // Movie Controller
411 wxEvtHandler* m_evthandler;
412
413 friend class wxQTMediaEvtHandler;
414
415 DECLARE_DYNAMIC_CLASS(wxQTMediaBackend)
416 };
417
418 // helper to hijack background erasing for the QT window
419 class WXDLLIMPEXP_MEDIA wxQTMediaEvtHandler : public wxEvtHandler
420 {
421 public:
422 wxQTMediaEvtHandler(wxQTMediaBackend *qtb, WXHWND hwnd)
423 {
424 m_qtb = qtb;
425 m_hwnd = hwnd;
426
427 m_qtb->m_ctrl->Connect(m_qtb->m_ctrl->GetId(),
428 wxEVT_ERASE_BACKGROUND,
429 wxEraseEventHandler(wxQTMediaEvtHandler::OnEraseBackground),
430 NULL, this);
431 }
432
433 void OnEraseBackground(wxEraseEvent& event);
434
435 private:
436 wxQTMediaBackend *m_qtb;
437 WXHWND m_hwnd;
438
439 DECLARE_NO_COPY_CLASS(wxQTMediaEvtHandler)
440 };
441
442
443 //===========================================================================
444 // IMPLEMENTATION
445 //===========================================================================
446
447
448 //---------------------------------------------------------------------------
449 // wxQTMediaBackend
450 //
451 // TODO: Use a less kludgy way to pause/get state/set state
452 // FIXME: Greg Hazel reports that sometimes files that cannot be played
453 // with this backend are treated as playable anyway - not verified though.
454 //---------------------------------------------------------------------------
455
456 IMPLEMENT_DYNAMIC_CLASS(wxQTMediaBackend, wxMediaBackend)
457
458 // Time between timer calls - this is the Apple recommendation to the TCL
459 // team I believe
460 #define MOVIE_DELAY 20
461
462 //---------------------------------------------------------------------------
463 // wxQTLoadTimer
464 //
465 // QT, esp. QT for Windows is very picky about how you go about
466 // async loading. If you were to go through a Windows message loop
467 // or a MoviesTask or both and then check the movie load state
468 // it would still return 1000 (loading)... even (pre)prerolling doesn't
469 // help. However, making a load timer like this works
470 //---------------------------------------------------------------------------
471 class wxQTLoadTimer : public wxTimer
472 {
473 public:
474 wxQTLoadTimer(Movie movie, wxQTMediaBackend* parent, wxQuickTimeLibrary* pLib) :
475 m_movie(movie), m_parent(parent), m_pLib(pLib) {}
476
477 void Notify()
478 {
479 m_pLib->MoviesTask(m_movie, 0);
480 // kMovieLoadStatePlayable
481 if (m_pLib->GetMovieLoadState(m_movie) >= 10000)
482 {
483 m_parent->FinishLoad();
484 delete this;
485 }
486 }
487
488 protected:
489 Movie m_movie; //Our movie instance
490 wxQTMediaBackend* m_parent; //Backend pointer
491 wxQuickTimeLibrary* m_pLib; //Interfaces
492 };
493
494
495 // --------------------------------------------------------------------------
496 // wxQTPlayTimer - Handle Asyncronous Playing
497 //
498 // 1) Checks to see if the movie is done, and if not continues
499 // streaming the movie
500 // 2) Sends the wxEVT_MEDIA_STOP event if we have reached the end of
501 // the movie.
502 // --------------------------------------------------------------------------
503 class wxQTPlayTimer : public wxTimer
504 {
505 public:
506 wxQTPlayTimer(Movie movie, wxQTMediaBackend* parent,
507 wxQuickTimeLibrary* pLib) :
508 m_movie(movie), m_parent(parent), m_pLib(pLib) {}
509
510 void Notify()
511 {
512 //
513 // OK, a little explaining - basically originally
514 // we only called MoviesTask if the movie was actually
515 // playing (not paused or stopped)... this was before
516 // we realized MoviesTask actually handles repainting
517 // of the current frame - so if you were to resize
518 // or something it would previously not redraw that
519 // portion of the movie.
520 //
521 // So now we call MoviesTask always so that it repaints
522 // correctly.
523 //
524 m_pLib->MoviesTask(m_movie, 0);
525
526 //
527 // Handle the stop event - if the movie has reached
528 // the end, notify our handler
529 //
530 // m_bPlaying == !(Stopped | Paused)
531 //
532 if (m_parent->m_bPlaying)
533 {
534 if (m_pLib->IsMovieDone(m_movie))
535 {
536 if ( m_parent->SendStopEvent() )
537 {
538 m_parent->Stop();
539 wxASSERT(m_pLib->GetMoviesError() == noErr);
540
541 m_parent->QueueFinishEvent();
542 }
543 }
544 }
545 }
546
547 protected:
548 Movie m_movie; // Our movie instance
549 wxQTMediaBackend* m_parent; //Backend pointer
550 wxQuickTimeLibrary* m_pLib; //Interfaces
551 };
552
553
554 //---------------------------------------------------------------------------
555 // wxQTMediaBackend::QTWndProc
556 //
557 // Forwards events to the Movie Controller so that it can
558 // redraw itself/process messages etc..
559 //---------------------------------------------------------------------------
560 LRESULT CALLBACK wxQTMediaBackend::QTWndProc(HWND hWnd, UINT nMsg,
561 WPARAM wParam, LPARAM lParam)
562 {
563 wxQTMediaBackend* pThis = (wxQTMediaBackend*)wxGetWindowUserData(hWnd);
564
565 MSG msg;
566 msg.hwnd = hWnd;
567 msg.message = nMsg;
568 msg.wParam = wParam;
569 msg.lParam = lParam;
570 msg.time = 0;
571 msg.pt.x = 0;
572 msg.pt.y = 0;
573 EventRecord theEvent;
574 pThis->m_lib.NativeEventToMacEvent(&msg, &theEvent);
575 pThis->m_lib.MCIsPlayerEvent(pThis->m_pMC, &theEvent);
576
577 return pThis->m_ctrl->MSWWindowProc(nMsg, wParam, lParam);
578 }
579
580 //---------------------------------------------------------------------------
581 // wxQTMediaBackend Destructor
582 //
583 // Sets m_timer to NULL signifying we havn't loaded anything yet
584 //---------------------------------------------------------------------------
585 wxQTMediaBackend::wxQTMediaBackend()
586 : m_movie(NULL), m_bPlaying(false), m_timer(NULL), m_pMC(NULL)
587 {
588 m_evthandler = NULL;
589 }
590
591 //---------------------------------------------------------------------------
592 // wxQTMediaBackend Destructor
593 //
594 // 1) Cleans up the QuickTime movie instance
595 // 2) Decrements the QuickTime reference counter - if this reaches
596 // 0, QuickTime shuts down
597 // 3) Decrements the QuickTime Windows Media Layer reference counter -
598 // if this reaches 0, QuickTime shuts down the Windows Media Layer
599 //---------------------------------------------------------------------------
600 wxQTMediaBackend::~wxQTMediaBackend()
601 {
602 if (m_movie)
603 Cleanup();
604
605 if (m_lib.IsOk())
606 {
607 if (m_pMC)
608 {
609 m_lib.DisposeMovieController(m_pMC);
610 // m_pMC = NULL;
611 }
612
613 // destroy wxQTMediaEvtHandler we pushed on it
614 if (m_evthandler)
615 {
616 m_ctrl->RemoveEventHandler(m_evthandler);
617 delete m_evthandler;
618 }
619
620 m_lib.DestroyPortAssociation(
621 (CGrafPtr)m_lib.GetNativeWindowPort(m_ctrl->GetHWND()));
622
623 //Note that ExitMovies() is not necessary, but
624 //the docs are fuzzy on whether or not TerminateQTML is
625 m_lib.ExitMovies();
626 m_lib.TerminateQTML();
627 }
628 }
629
630 //---------------------------------------------------------------------------
631 // wxQTMediaBackend::CreateControl
632 //
633 // 1) Intializes QuickTime
634 // 2) Creates the control window
635 //---------------------------------------------------------------------------
636 bool wxQTMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
637 wxWindowID id,
638 const wxPoint& pos,
639 const wxSize& size,
640 long style,
641 const wxValidator& validator,
642 const wxString& name)
643 {
644 if (!m_lib.Initialize())
645 return false;
646
647 int nError = m_lib.InitializeQTML(0);
648 if (nError != noErr) //-2093 no dll
649 {
650 wxFAIL_MSG(wxString::Format(wxT("Couldn't Initialize Quicktime-%i"), nError));
651 return false;
652 }
653
654 m_lib.EnterMovies();
655
656 // Create window
657 // By default wxWindow(s) is created with a border -
658 // so we need to get rid of those
659 //
660 // Since we don't have a child window like most other
661 // backends, we don't need wxCLIP_CHILDREN
662 if ( !ctrl->wxControl::Create(parent, id, pos, size,
663 (style & ~wxBORDER_MASK) | wxBORDER_NONE,
664 validator, name) )
665 {
666 return false;
667 }
668
669 m_ctrl = wxStaticCast(ctrl, wxMediaCtrl);
670
671 // Create a port association for our window so we
672 // can use it as a WindowRef
673 m_lib.CreatePortAssociation(m_ctrl->GetHWND(), NULL, 0L);
674
675 // Part of a suggestion from Greg Hazel
676 // to repaint movie when idle
677 m_evthandler = new wxQTMediaEvtHandler(this, m_ctrl->GetHWND());
678 m_ctrl->PushEventHandler(m_evthandler);
679
680 // done
681 return true;
682 }
683
684 //---------------------------------------------------------------------------
685 // wxQTMediaBackend::Load (file version)
686 //
687 // 1) Get an FSSpec from the Windows path name
688 // 2) Open the movie
689 // 3) Obtain the movie instance from the movie resource
690 // 4) Close the movie resource
691 // 5) Finish loading
692 //---------------------------------------------------------------------------
693 bool wxQTMediaBackend::Load(const wxString& fileName)
694 {
695 if (m_movie)
696 Cleanup();
697
698 short movieResFile = 0; //= 0 because of annoying VC6 warning
699 FSSpec sfFile;
700
701 OSErr err = m_lib.NativePathNameToFSSpec(
702 (char*) (const char*) fileName.mb_str(),
703 &sfFile, 0);
704 bool result = (err == noErr);
705
706 if (result)
707 {
708 err = m_lib.OpenMovieFile(&sfFile, &movieResFile, fsRdPerm);
709 result = (err == noErr);
710 }
711
712 if (result)
713 {
714 short movieResID = 0;
715 Str255 movieName;
716
717 err = m_lib.NewMovieFromFile(
718 &m_movie,
719 movieResFile,
720 &movieResID,
721 movieName,
722 newMovieActive,
723 NULL ); // wasChanged
724 result = (err == noErr /*&& m_lib.GetMoviesStickyError() == noErr*/);
725
726 // check m_lib.GetMoviesStickyError() because it may not find the
727 // proper codec and play black video and other strange effects,
728 // not to mention mess up the dynamic backend loading scheme
729 // of wxMediaCtrl - so it just does what the QuickTime player does
730 if (result)
731 {
732 m_lib.CloseMovieFile(movieResFile);
733 FinishLoad();
734 }
735 }
736
737 return result;
738 }
739
740 //---------------------------------------------------------------------------
741 // wxQTMediaBackend::PPRMProc (static)
742 //
743 // Called when done PrePrerolling the movie.
744 // Note that in 99% of the cases this does nothing...
745 // Anyway we set up the loading timer here to tell us when the movie is done
746 //---------------------------------------------------------------------------
747 void wxQTMediaBackend::PPRMProc (Movie theMovie,
748 OSErr WXUNUSED_UNLESS_DEBUG(theErr),
749 void* theRefCon)
750 {
751 wxASSERT( theMovie );
752 wxASSERT( theRefCon );
753 wxASSERT( theErr == noErr );
754
755 wxQTMediaBackend* pBE = (wxQTMediaBackend*) theRefCon;
756
757 long lTime = pBE->m_lib.GetMovieTime(theMovie,NULL);
758 Fixed rate = pBE->m_lib.GetMoviePreferredRate(theMovie);
759 pBE->m_lib.PrerollMovie(theMovie, lTime, rate);
760 pBE->m_timer = new wxQTLoadTimer(pBE->m_movie, pBE, &pBE->m_lib);
761 pBE->m_timer->Start(MOVIE_DELAY);
762 }
763
764 //---------------------------------------------------------------------------
765 // wxQTMediaBackend::Load (URL Version)
766 //
767 // 1) Build an escaped URI from location
768 // 2) Create a handle to store the URI string
769 // 3) Put the URI string inside the handle
770 // 4) Make a QuickTime URL data ref from the handle with the URI in it
771 // 5) Clean up the URI string handle
772 // 6) Do some prerolling
773 // 7) Finish Loading
774 //---------------------------------------------------------------------------
775 bool wxQTMediaBackend::Load(const wxURI& location)
776 {
777 if (m_movie)
778 Cleanup();
779
780 wxString theURI = location.BuildURI();
781
782 Handle theHandle = m_lib.NewHandleClear(theURI.length() + 1);
783 wxASSERT(theHandle);
784
785 m_lib.BlockMove(theURI.mb_str(), *theHandle, theURI.length() + 1);
786
787 // create the movie from the handle that refers to the URI
788 OSErr err = m_lib.NewMovieFromDataRef(&m_movie, newMovieActive |
789 newMovieAsyncOK
790 /* | newMovieIdleImportOK */,
791 NULL, theHandle,
792 URLDataHandlerSubType);
793
794 m_lib.DisposeHandle(theHandle);
795
796 if (err == noErr)
797 {
798 long timeNow;
799 Fixed playRate;
800
801 timeNow = m_lib.GetMovieTime(m_movie, NULL);
802 wxASSERT(m_lib.GetMoviesError() == noErr);
803
804 playRate = m_lib.GetMoviePreferredRate(m_movie);
805 wxASSERT(m_lib.GetMoviesError() == noErr);
806
807 // Note that the callback here is optional,
808 // but without it PrePrerollMovie can be buggy
809 // (see Apple ml). Also, some may wonder
810 // why we need this at all - this is because
811 // Apple docs say QuickTime streamed movies
812 // require it if you don't use a Movie Controller,
813 // which we don't by default.
814 //
815 m_lib.PrePrerollMovie(m_movie, timeNow, playRate,
816 (WXFARPROC)wxQTMediaBackend::PPRMProc,
817 (void*)this);
818
819 return true;
820 }
821 else
822 return false;
823 }
824
825 //---------------------------------------------------------------------------
826 // wxQTMediaBackend::FinishLoad
827 //
828 // 1) Create the movie timer
829 // 2) Get real size of movie for GetBestSize/sizers
830 // 3) Set the movie time scale to something usable so that seeking
831 // etc. will work correctly
832 // 4) Set our Movie Controller to display the movie if it exists,
833 // otherwise set the bounds of the Movie
834 // 5) Refresh parent window
835 //---------------------------------------------------------------------------
836 void wxQTMediaBackend::FinishLoad()
837 {
838 // Create the playing/streaming timer
839 m_timer = new wxQTPlayTimer(m_movie, (wxQTMediaBackend*) this, &m_lib);
840 wxASSERT(m_timer);
841
842 m_timer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
843
844 // get the real size of the movie
845 Rect outRect;
846 memset(&outRect, 0, sizeof(Rect)); // suppress annoying VC6 warning
847 m_lib.GetMovieNaturalBoundsRect (m_movie, &outRect);
848 wxASSERT(m_lib.GetMoviesError() == noErr);
849
850 m_bestSize.x = outRect.right - outRect.left;
851 m_bestSize.y = outRect.bottom - outRect.top;
852
853 // Handle the movie GWorld
854 if (m_pMC)
855 {
856 Point thePoint;
857 thePoint.h = thePoint.v = 0;
858 m_lib.MCSetMovie(m_pMC, m_movie,
859 m_lib.GetNativeWindowPort(m_ctrl->GetHandle()),
860 thePoint);
861 m_lib.MCSetVisible(m_pMC, true);
862 m_bestSize.y += 16;
863 }
864 else
865 {
866 m_lib.SetMovieGWorld(m_movie,
867 (CGrafPtr) m_lib.GetNativeWindowPort(m_ctrl->GetHWND()),
868 NULL);
869 }
870
871 // Set the movie to millisecond precision
872 m_lib.SetMovieTimeScale(m_movie, 1000);
873 wxASSERT(m_lib.GetMoviesError() == noErr);
874
875 NotifyMovieLoaded();
876 }
877
878 //---------------------------------------------------------------------------
879 // wxQTMediaBackend::Play
880 //
881 // 1) Start the QT movie
882 // 2) Start the movie loading timer
883 //
884 // NOTE: This will still return success even when
885 // the movie is still loading, and as mentioned in wxQTLoadTimer
886 // I don't know of a way to force this to be sync - so if its
887 // still loading the function will return true but the movie will
888 // still be in the stopped state
889 //---------------------------------------------------------------------------
890 bool wxQTMediaBackend::Play()
891 {
892 m_lib.StartMovie(m_movie);
893 m_bPlaying = true;
894
895 return m_lib.GetMoviesError() == noErr;
896 }
897
898 //---------------------------------------------------------------------------
899 // wxQTMediaBackend::Pause
900 //
901 // 1) Stop the movie
902 // 2) Stop the movie timer
903 //---------------------------------------------------------------------------
904 bool wxQTMediaBackend::Pause()
905 {
906 m_bPlaying = false;
907 m_lib.StopMovie(m_movie);
908
909 return m_lib.GetMoviesError() == noErr;
910 }
911
912 //---------------------------------------------------------------------------
913 // wxQTMediaBackend::Stop
914 //
915 // 1) Stop the movie
916 // 2) Stop the movie timer
917 // 3) Seek to the beginning of the movie
918 //---------------------------------------------------------------------------
919 bool wxQTMediaBackend::Stop()
920 {
921 m_bPlaying = false;
922
923 m_lib.StopMovie(m_movie);
924 if (m_lib.GetMoviesError() == noErr)
925 m_lib.GoToBeginningOfMovie(m_movie);
926
927 return m_lib.GetMoviesError() == noErr;
928 }
929
930 //---------------------------------------------------------------------------
931 // wxQTMediaBackend::GetPlaybackRate
932 //
933 // Get the movie playback rate from ::GetMovieRate
934 //---------------------------------------------------------------------------
935 double wxQTMediaBackend::GetPlaybackRate()
936 {
937 return ( ((double)m_lib.GetMovieRate(m_movie)) / 0x10000);
938 }
939
940 //---------------------------------------------------------------------------
941 // wxQTMediaBackend::SetPlaybackRate
942 //
943 // Convert dRate to Fixed and Set the movie rate through SetMovieRate
944 //---------------------------------------------------------------------------
945 bool wxQTMediaBackend::SetPlaybackRate(double dRate)
946 {
947 m_lib.SetMovieRate(m_movie, (Fixed) (dRate * 0x10000));
948
949 return m_lib.GetMoviesError() == noErr;
950 }
951
952 //---------------------------------------------------------------------------
953 // wxQTMediaBackend::SetPosition
954 //
955 // 1) Create a time record struct (TimeRecord) with appropriate values
956 // 2) Pass struct to SetMovieTime
957 //---------------------------------------------------------------------------
958 bool wxQTMediaBackend::SetPosition(wxLongLong where)
959 {
960 // NB: For some reason SetMovieTime does not work
961 // correctly with the Quicktime Windows SDK (6)
962 // From Muskelkatermann at the wxForum
963 // http://www.solidsteel.nl/users/wxwidgets/viewtopic.php?t=2957
964 // RN - note that I have not verified this but there
965 // is no harm in calling SetMovieTimeValue instead
966 #if 0
967 TimeRecord theTimeRecord;
968 memset(&theTimeRecord, 0, sizeof(TimeRecord));
969 theTimeRecord.value.lo = where.GetLo();
970 theTimeRecord.scale = m_lib.GetMovieTimeScale(m_movie);
971 theTimeRecord.base = m_lib.GetMovieTimeBase(m_movie);
972 m_lib.SetMovieTime(m_movie, &theTimeRecord);
973 #else
974 m_lib.SetMovieTimeValue(m_movie, where.GetLo());
975 #endif
976
977 return (m_lib.GetMoviesError() == noErr);
978 }
979
980 //---------------------------------------------------------------------------
981 // wxQTMediaBackend::GetPosition
982 //
983 // 1) Calls GetMovieTime to get the position we are in in the movie
984 // in milliseconds (we called
985 //---------------------------------------------------------------------------
986 wxLongLong wxQTMediaBackend::GetPosition()
987 {
988 return m_lib.GetMovieTime(m_movie, NULL);
989 }
990
991 //---------------------------------------------------------------------------
992 // wxQTMediaBackend::GetVolume
993 //
994 // Gets the volume through GetMovieVolume - which returns a 16 bit short -
995 //
996 // +--------+--------+
997 // + (1) + (2) +
998 // +--------+--------+
999 //
1000 // (1) first 8 bits are value before decimal
1001 // (2) second 8 bits are value after decimal
1002 //
1003 // Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to
1004 // 1 (full gain and sound)
1005 //---------------------------------------------------------------------------
1006 double wxQTMediaBackend::GetVolume()
1007 {
1008 short sVolume = m_lib.GetMovieVolume(m_movie);
1009 wxASSERT(m_lib.GetMoviesError() == noErr);
1010
1011 if (sVolume & (128 << 8)) //negative - no sound
1012 return 0.0;
1013
1014 return sVolume / 256.0;
1015 }
1016
1017 //---------------------------------------------------------------------------
1018 // wxQTMediaBackend::SetVolume
1019 //
1020 // Sets the volume through SetMovieVolume - which takes a 16 bit short -
1021 //
1022 // +--------+--------+
1023 // + (1) + (2) +
1024 // +--------+--------+
1025 //
1026 // (1) first 8 bits are value before decimal
1027 // (2) second 8 bits are value after decimal
1028 //
1029 // Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to
1030 // 1 (full gain and sound)
1031 //---------------------------------------------------------------------------
1032 bool wxQTMediaBackend::SetVolume(double dVolume)
1033 {
1034 m_lib.SetMovieVolume(m_movie, (short) (dVolume * 256));
1035 return m_lib.GetMoviesError() == noErr;
1036 }
1037
1038 //---------------------------------------------------------------------------
1039 // wxQTMediaBackend::GetDuration
1040 //
1041 // Calls GetMovieDuration
1042 //---------------------------------------------------------------------------
1043 wxLongLong wxQTMediaBackend::GetDuration()
1044 {
1045 return m_lib.GetMovieDuration(m_movie);
1046 }
1047
1048 //---------------------------------------------------------------------------
1049 // wxQTMediaBackend::GetState
1050 //
1051 // Determines the current state:
1052 // if we are at the beginning, then we are stopped
1053 //---------------------------------------------------------------------------
1054 wxMediaState wxQTMediaBackend::GetState()
1055 {
1056 if (m_bPlaying)
1057 return wxMEDIASTATE_PLAYING;
1058 else if ( !m_movie || wxQTMediaBackend::GetPosition() == 0 )
1059 return wxMEDIASTATE_STOPPED;
1060 else
1061 return wxMEDIASTATE_PAUSED;
1062 }
1063
1064 //---------------------------------------------------------------------------
1065 // wxQTMediaBackend::Cleanup
1066 //
1067 // Diposes of the movie timer, Disassociates the Movie Controller with
1068 // movie and hides it if it exists, and stops and disposes
1069 // of the QT movie
1070 //---------------------------------------------------------------------------
1071 void wxQTMediaBackend::Cleanup()
1072 {
1073 m_bPlaying = false;
1074
1075 if (m_timer)
1076 {
1077 delete m_timer;
1078 m_timer = NULL;
1079 }
1080
1081 m_lib.StopMovie(m_movie);
1082
1083 if (m_pMC)
1084 {
1085 Point thePoint;
1086 thePoint.h = thePoint.v = 0;
1087 m_lib.MCSetVisible(m_pMC, false);
1088 m_lib.MCSetMovie(m_pMC, NULL, NULL, thePoint);
1089 }
1090
1091 m_lib.DisposeMovie(m_movie);
1092 m_movie = NULL;
1093 }
1094
1095 //---------------------------------------------------------------------------
1096 // wxQTMediaBackend::ShowPlayerControls
1097 //
1098 // Creates a movie controller for the Movie if the user wants it
1099 //---------------------------------------------------------------------------
1100 bool wxQTMediaBackend::ShowPlayerControls(wxMediaCtrlPlayerControls flags)
1101 {
1102 if (m_pMC)
1103 {
1104 // restore old wndproc
1105 wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxWndProc);
1106 m_lib.DisposeMovieController(m_pMC);
1107 m_pMC = NULL;
1108
1109 // movie controller height
1110 m_bestSize.y -= 16;
1111 }
1112
1113 if (flags && m_movie)
1114 {
1115 Rect rect;
1116 wxRect wxrect = m_ctrl->GetClientRect();
1117
1118 // make room for controller
1119 if (wxrect.width < 320)
1120 wxrect.width = 320;
1121
1122 rect.top = (short)wxrect.y;
1123 rect.left = (short)wxrect.x;
1124 rect.right = (short)(rect.left + wxrect.width);
1125 rect.bottom = (short)(rect.top + wxrect.height);
1126
1127 if (!m_pMC)
1128 {
1129 m_pMC = m_lib.NewMovieController(m_movie, &rect, mcTopLeftMovie |
1130 // mcScaleMovieToFit |
1131 // mcWithBadge |
1132 mcWithFrame);
1133 m_lib.MCDoAction(m_pMC, 32, (void*)true); // mcActionSetKeysEnabled
1134 m_lib.MCSetActionFilterWithRefCon(m_pMC,
1135 (WXFARPROC)wxQTMediaBackend::MCFilterProc, (void*)this);
1136 m_bestSize.y += 16; // movie controller height
1137
1138 // By default the movie controller uses its own colour palette
1139 // for the movie which can be bad on some files, so turn it off.
1140 // Also turn off its frame / border for the movie
1141 // Also take care of a couple of the interface flags here
1142 long mcFlags = 0;
1143 m_lib.MCDoAction(m_pMC, 39/*mcActionGetFlags*/, (void*)&mcFlags);
1144
1145 mcFlags |=
1146 // (1<< 0) /*mcFlagSuppressMovieFrame*/ |
1147 (1<< 3) /*mcFlagsUseWindowPalette*/
1148 | ((flags & wxMEDIACTRLPLAYERCONTROLS_STEP)
1149 ? 0 : (1<< 1) /*mcFlagSuppressStepButtons*/)
1150 | ((flags & wxMEDIACTRLPLAYERCONTROLS_VOLUME)
1151 ? 0 : (1<< 2) /*mcFlagSuppressSpeakerButton*/)
1152 // | (1<< 4) /*mcFlagDontInvalidate*/ // if we take care of repainting ourselves
1153 ;
1154
1155 m_lib.MCDoAction(m_pMC, 38/*mcActionSetFlags*/, wxUIntToPtr(mcFlags));
1156
1157 // intercept the wndproc of our control window
1158 wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxQTMediaBackend::QTWndProc);
1159
1160 // set the user data of our window
1161 wxSetWindowUserData((HWND)m_ctrl->GetHWND(), this);
1162 }
1163 }
1164
1165 NotifyMovieSizeChanged();
1166
1167 return m_lib.GetMoviesError() == noErr;
1168 }
1169
1170 //---------------------------------------------------------------------------
1171 // wxQTMediaBackend::MCFilterProc (static)
1172 //
1173 // Callback for when the movie controller recieves a message
1174 //---------------------------------------------------------------------------
1175 Boolean wxQTMediaBackend::MCFilterProc(MovieController WXUNUSED(theController),
1176 short action,
1177 void * WXUNUSED(params),
1178 LONG_PTR refCon)
1179 {
1180 // NB: potential optimisation
1181 // if (action == 1)
1182 // return 0;
1183
1184 wxQTMediaBackend* pThis = (wxQTMediaBackend*)refCon;
1185
1186 switch (action)
1187 {
1188 case 1:
1189 // don't process idle events
1190 break;
1191
1192 case 8:
1193 // play button triggered - MC will set movie to opposite state
1194 // of current - playing ? paused : playing
1195 if (pThis)
1196 pThis->m_bPlaying = !(pThis->m_bPlaying);
1197
1198 // NB: Sometimes it doesn't redraw properly -
1199 // if you click on the button but don't move the mouse
1200 // the button will not change its state until you move
1201 // mcActionDraw and Refresh/Update combo do nothing
1202 // to help this unfortunately
1203 break;
1204
1205 default:
1206 break;
1207 }
1208
1209 return 0;
1210 }
1211
1212 //---------------------------------------------------------------------------
1213 // wxQTMediaBackend::GetVideoSize
1214 //
1215 // Returns the actual size of the QT movie
1216 //---------------------------------------------------------------------------
1217 wxSize wxQTMediaBackend::GetVideoSize() const
1218 {
1219 return m_bestSize;
1220 }
1221
1222 //---------------------------------------------------------------------------
1223 // wxQTMediaBackend::Move
1224 //
1225 // Sets the bounds of either the Movie or Movie Controller
1226 //---------------------------------------------------------------------------
1227 void wxQTMediaBackend::Move(int WXUNUSED(x), int WXUNUSED(y), int w, int h)
1228 {
1229 if (m_movie)
1230 {
1231 // make room for controller
1232 if (m_pMC)
1233 {
1234 if (w < 320)
1235 w = 320;
1236
1237 Rect theRect = {0, 0, (short)h, (short)w};
1238 m_lib.MCSetControllerBoundsRect(m_pMC, &theRect);
1239 }
1240 else
1241 {
1242 Rect theRect = {0, 0, (short)h, (short)w};
1243 m_lib.SetMovieBox(m_movie, &theRect);
1244 }
1245
1246 wxASSERT(m_lib.GetMoviesError() == noErr);
1247 }
1248 }
1249
1250 //---------------------------------------------------------------------------
1251 // wxQTMediaBackend::OnEraseBackground
1252 //
1253 // Suggestion from Greg Hazel to repaint the movie when idle
1254 // (on pause also)
1255 //
1256 // TODO: We may be repainting too much here - under what exact circumstances
1257 // do we need this? I think Move also repaints correctly for the Movie
1258 // Controller, so in that instance we don't need this either
1259 //---------------------------------------------------------------------------
1260 void wxQTMediaEvtHandler::OnEraseBackground(wxEraseEvent& evt)
1261 {
1262 wxQuickTimeLibrary& m_pLib = m_qtb->m_lib;
1263
1264 if ( m_qtb->m_pMC )
1265 {
1266 // repaint movie controller
1267 m_pLib.MCDoAction(m_qtb->m_pMC, 2 /*mcActionDraw*/,
1268 m_pLib.GetNativeWindowPort(m_hwnd));
1269 }
1270 else if ( m_qtb->m_movie )
1271 {
1272 // no movie controller
1273 CGrafPtr port = (CGrafPtr)m_pLib.GetNativeWindowPort(m_hwnd);
1274
1275 m_pLib.BeginUpdate(port);
1276 m_pLib.UpdateMovie(m_qtb->m_movie);
1277 wxASSERT(m_pLib.GetMoviesError() == noErr);
1278 m_pLib.EndUpdate(port);
1279 }
1280 else
1281 {
1282 // no movie
1283 // let the system repaint the window
1284 evt.Skip();
1285 }
1286 }
1287
1288 //---------------------------------------------------------------------------
1289 // End QT Backend
1290 //---------------------------------------------------------------------------
1291
1292 // in source file that contains stuff you don't directly use
1293 #include "wx/html/forcelnk.h"
1294 FORCE_LINK_ME(wxmediabackend_qt)
1295
1296 #endif // wxUSE_MEDIACTRL && wxUSE_ACTIVEX
wxWidgets (Impactor)