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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 | #define wxDL_METHOD_DEFINE( rettype, name, args, shortargs, defret ) \ | |
175 | typedef rettype (* name ## Type) args ; \ | |
176 | name ## Type pfn_ ## name; \ | |
177 | rettype name args \ | |
178 | { if (m_ok) return pfn_ ## name shortargs ; return defret; } | |
179 | ||
180 | #define wxDL_VOIDMETHOD_DEFINE( name, args, shortargs ) \ | |
181 | typedef void (* name ## Type) args ; \ | |
182 | name ## Type pfn_ ## name; \ | |
183 | void name args \ | |
184 | { if (m_ok) pfn_ ## name shortargs ; } | |
185 | ||
186 | #define wxDL_METHOD_LOAD( lib, name, success ) \ | |
187 | pfn_ ## name = (name ## Type) lib.GetSymbol( wxT(#name), &success ); \ | |
188 | if (!success) return false | |
189 | ||
190 | ||
191 | class WXDLLIMPEXP_MEDIA wxQuickTimeLibrary | |
192 | { | |
193 | public: | |
194 | ~wxQuickTimeLibrary() | |
195 | { | |
196 | if (m_dll.IsLoaded()) | |
197 | m_dll.Unload(); | |
198 | } | |
199 | ||
200 | bool Initialize(); | |
201 | bool IsOk() const {return m_ok;} | |
202 | ||
203 | protected: | |
204 | wxDynamicLibrary m_dll; | |
205 | bool m_ok; | |
206 | ||
207 | public: | |
208 | wxDL_VOIDMETHOD_DEFINE( StartMovie, (Movie m), (m) ) | |
209 | wxDL_VOIDMETHOD_DEFINE( StopMovie, (Movie m), (m) ) | |
210 | wxDL_METHOD_DEFINE( bool, IsMovieDone, (Movie m), (m), false) | |
211 | wxDL_VOIDMETHOD_DEFINE( GoToBeginningOfMovie, (Movie m), (m) ) | |
212 | wxDL_METHOD_DEFINE( OSErr, GetMoviesError, (), (), -1) | |
213 | wxDL_METHOD_DEFINE( OSErr, EnterMovies, (), (), -1) | |
214 | wxDL_VOIDMETHOD_DEFINE( ExitMovies, (), () ) | |
215 | wxDL_METHOD_DEFINE( OSErr, InitializeQTML, (long flags), (flags), -1) | |
216 | wxDL_VOIDMETHOD_DEFINE( TerminateQTML, (), () ) | |
217 | ||
218 | wxDL_METHOD_DEFINE( OSErr, NativePathNameToFSSpec, | |
219 | (char* inName, FSSpec* outFile, long flags), | |
220 | (inName, outFile, flags), -1) | |
221 | ||
222 | wxDL_METHOD_DEFINE( OSErr, OpenMovieFile, | |
223 | (const FSSpec * fileSpec, short * resRefNum, wxInt8 permission), | |
224 | (fileSpec, resRefNum, permission), -1 ) | |
225 | ||
226 | wxDL_METHOD_DEFINE( OSErr, CloseMovieFile, | |
227 | (short resRefNum), (resRefNum), -1) | |
228 | ||
229 | wxDL_METHOD_DEFINE( OSErr, NewMovieFromFile, | |
230 | (Movie * theMovie, short resRefNum, short * resId, | |
231 | StringPtr resName, short newMovieFlags, | |
232 | bool * dataRefWasChanged), | |
233 | (theMovie, resRefNum, resId, resName, newMovieFlags, | |
234 | dataRefWasChanged), -1) | |
235 | ||
236 | wxDL_VOIDMETHOD_DEFINE( SetMovieRate, (Movie m, Fixed rate), (m, rate) ) | |
237 | wxDL_METHOD_DEFINE( Fixed, GetMovieRate, (Movie m), (m), 0) | |
238 | wxDL_VOIDMETHOD_DEFINE( MoviesTask, (Movie m, long maxms), (m, maxms) ) | |
239 | wxDL_VOIDMETHOD_DEFINE( BlockMove, | |
240 | (const char* p1, const char* p2, long s), (p1,p2,s) ) | |
241 | wxDL_METHOD_DEFINE( Handle, NewHandleClear, (long s), (s), NULL ) | |
242 | ||
243 | wxDL_METHOD_DEFINE( OSErr, NewMovieFromDataRef, | |
244 | (Movie * m, short flags, short * id, | |
245 | Handle dataRef, OSType dataRefType), | |
246 | (m,flags,id,dataRef,dataRefType), -1 ) | |
247 | ||
248 | wxDL_VOIDMETHOD_DEFINE( DisposeHandle, (Handle h), (h) ) | |
249 | wxDL_VOIDMETHOD_DEFINE( GetMovieNaturalBoundsRect, (Movie m, Rect* r), (m,r) ) | |
250 | wxDL_METHOD_DEFINE( void*, GetMovieIndTrackType, | |
251 | (Movie m, long index, OSType type, long flags), | |
252 | (m,index,type,flags), NULL ) | |
253 | wxDL_VOIDMETHOD_DEFINE( CreatePortAssociation, | |
254 | (void* hWnd, void* junk, long morejunk), (hWnd, junk, morejunk) ) | |
255 | wxDL_METHOD_DEFINE(void*, GetNativeWindowPort, (void* hWnd), (hWnd), NULL) | |
256 | wxDL_VOIDMETHOD_DEFINE(SetMovieGWorld, (Movie m, CGrafPtr port, void* whatever), | |
257 | (m, port, whatever) ) | |
258 | wxDL_VOIDMETHOD_DEFINE(DisposeMovie, (Movie m), (m) ) | |
259 | wxDL_VOIDMETHOD_DEFINE(SetMovieBox, (Movie m, Rect* r), (m,r)) | |
260 | wxDL_VOIDMETHOD_DEFINE(SetMovieTimeScale, (Movie m, long s), (m,s)) | |
261 | wxDL_METHOD_DEFINE(long, GetMovieDuration, (Movie m), (m), 0) | |
262 | wxDL_METHOD_DEFINE(TimeBase, GetMovieTimeBase, (Movie m), (m), 0) | |
263 | wxDL_METHOD_DEFINE(TimeScale, GetMovieTimeScale, (Movie m), (m), 0) | |
264 | wxDL_METHOD_DEFINE(long, GetMovieTime, (Movie m, void* cruft), (m,cruft), 0) | |
265 | wxDL_VOIDMETHOD_DEFINE(SetMovieTime, (Movie m, TimeRecord* tr), (m,tr) ) | |
266 | wxDL_METHOD_DEFINE(short, GetMovieVolume, (Movie m), (m), 0) | |
267 | wxDL_VOIDMETHOD_DEFINE(SetMovieVolume, (Movie m, short sVolume), (m,sVolume) ) | |
268 | wxDL_VOIDMETHOD_DEFINE(SetMovieTimeValue, (Movie m, long s), (m,s)) | |
269 | wxDL_METHOD_DEFINE(ComponentInstance, NewMovieController, (Movie m, const Rect* mr, long fl), (m,mr,fl), 0) | |
270 | wxDL_VOIDMETHOD_DEFINE(DisposeMovieController, (ComponentInstance ci), (ci)) | |
271 | wxDL_METHOD_DEFINE(int, MCSetVisible, (ComponentInstance m, int b), (m, b), 0) | |
272 | ||
273 | wxDL_VOIDMETHOD_DEFINE(PrePrerollMovie, (Movie m, long t, Fixed r, WXFARPROC p1, void* p2), (m,t,r,p1,p2) ) | |
274 | wxDL_VOIDMETHOD_DEFINE(PrerollMovie, (Movie m, long t, Fixed r), (m,t,r) ) | |
275 | wxDL_METHOD_DEFINE(Fixed, GetMoviePreferredRate, (Movie m), (m), 0) | |
276 | wxDL_METHOD_DEFINE(long, GetMovieLoadState, (Movie m), (m), 0) | |
277 | wxDL_METHOD_DEFINE(void*, NewRoutineDescriptor, (WXFARPROC f, int l, void* junk), (f, l, junk), 0) | |
278 | wxDL_VOIDMETHOD_DEFINE(DisposeRoutineDescriptor, (void* f), (f)) | |
279 | wxDL_METHOD_DEFINE(void*, GetCurrentArchitecture, (), (), 0) | |
280 | wxDL_METHOD_DEFINE(int, MCDoAction, (ComponentInstance ci, long f, void* p), (ci,f,p), 0) | |
281 | wxDL_VOIDMETHOD_DEFINE(MCSetControllerBoundsRect, (ComponentInstance ci, Rect* r), (ci,r)) | |
282 | wxDL_VOIDMETHOD_DEFINE(DestroyPortAssociation, (CGrafPtr g), (g)) | |
283 | wxDL_VOIDMETHOD_DEFINE(NativeEventToMacEvent, (MSG* p1, EventRecord* p2), (p1,p2)) | |
284 | wxDL_VOIDMETHOD_DEFINE(MCIsPlayerEvent, (ComponentInstance ci, EventRecord* p2), (ci, p2)) | |
285 | wxDL_METHOD_DEFINE(int, MCSetMovie, (ComponentInstance ci, Movie m, void* p1, Point w), | |
286 | (ci,m,p1,w),0) | |
287 | wxDL_VOIDMETHOD_DEFINE(MCPositionController, | |
288 | (ComponentInstance ci, Rect* r, void* junk, void* morejunk), (ci,r,junk,morejunk)) | |
289 | wxDL_VOIDMETHOD_DEFINE(MCSetActionFilterWithRefCon, | |
290 | (ComponentInstance ci, WXFARPROC cb, void* ref), (ci,cb,ref)) | |
291 | wxDL_VOIDMETHOD_DEFINE(MCGetControllerInfo, (MovieController mc, long* flags), (mc,flags)) | |
292 | wxDL_VOIDMETHOD_DEFINE(BeginUpdate, (CGrafPtr port), (port)) | |
293 | wxDL_VOIDMETHOD_DEFINE(UpdateMovie, (Movie m), (m)) | |
294 | wxDL_VOIDMETHOD_DEFINE(EndUpdate, (CGrafPtr port), (port)) | |
295 | wxDL_METHOD_DEFINE( OSErr, GetMoviesStickyError, (), (), -1) | |
296 | }; | |
297 | ||
298 | bool wxQuickTimeLibrary::Initialize() | |
299 | { | |
300 | m_ok = false; | |
301 | ||
302 | // Turn off the wxDynamicLibrary logging as we're prepared to handle the | |
303 | // errors | |
304 | wxLogNull nolog; | |
305 | ||
306 | if (!m_dll.Load(wxT("qtmlClient.dll"))) | |
307 | { | |
308 | return false; | |
309 | } | |
310 | ||
311 | wxDL_METHOD_LOAD( m_dll, StartMovie, m_ok ); | |
312 | wxDL_METHOD_LOAD( m_dll, StopMovie, m_ok ); | |
313 | wxDL_METHOD_LOAD( m_dll, IsMovieDone, m_ok ); | |
314 | wxDL_METHOD_LOAD( m_dll, GoToBeginningOfMovie, m_ok ); | |
315 | wxDL_METHOD_LOAD( m_dll, GetMoviesError, m_ok ); | |
316 | wxDL_METHOD_LOAD( m_dll, EnterMovies, m_ok ); | |
317 | wxDL_METHOD_LOAD( m_dll, ExitMovies, m_ok ); | |
318 | wxDL_METHOD_LOAD( m_dll, InitializeQTML, m_ok ); | |
319 | wxDL_METHOD_LOAD( m_dll, TerminateQTML, m_ok ); | |
320 | wxDL_METHOD_LOAD( m_dll, NativePathNameToFSSpec, m_ok ); | |
321 | wxDL_METHOD_LOAD( m_dll, OpenMovieFile, m_ok ); | |
322 | wxDL_METHOD_LOAD( m_dll, CloseMovieFile, m_ok ); | |
323 | wxDL_METHOD_LOAD( m_dll, NewMovieFromFile, m_ok ); | |
324 | wxDL_METHOD_LOAD( m_dll, GetMovieRate, m_ok ); | |
325 | wxDL_METHOD_LOAD( m_dll, SetMovieRate, m_ok ); | |
326 | wxDL_METHOD_LOAD( m_dll, MoviesTask, m_ok ); | |
327 | wxDL_METHOD_LOAD( m_dll, BlockMove, m_ok ); | |
328 | wxDL_METHOD_LOAD( m_dll, NewHandleClear, m_ok ); | |
329 | wxDL_METHOD_LOAD( m_dll, NewMovieFromDataRef, m_ok ); | |
330 | wxDL_METHOD_LOAD( m_dll, DisposeHandle, m_ok ); | |
331 | wxDL_METHOD_LOAD( m_dll, GetMovieNaturalBoundsRect, m_ok ); | |
332 | wxDL_METHOD_LOAD( m_dll, GetMovieIndTrackType, m_ok ); | |
333 | wxDL_METHOD_LOAD( m_dll, CreatePortAssociation, m_ok ); | |
334 | wxDL_METHOD_LOAD( m_dll, DestroyPortAssociation, m_ok ); | |
335 | wxDL_METHOD_LOAD( m_dll, GetNativeWindowPort, m_ok ); | |
336 | wxDL_METHOD_LOAD( m_dll, SetMovieGWorld, m_ok ); | |
337 | wxDL_METHOD_LOAD( m_dll, DisposeMovie, m_ok ); | |
338 | wxDL_METHOD_LOAD( m_dll, SetMovieBox, m_ok ); | |
339 | wxDL_METHOD_LOAD( m_dll, SetMovieTimeScale, m_ok ); | |
340 | wxDL_METHOD_LOAD( m_dll, GetMovieDuration, m_ok ); | |
341 | wxDL_METHOD_LOAD( m_dll, GetMovieTimeBase, m_ok ); | |
342 | wxDL_METHOD_LOAD( m_dll, GetMovieTimeScale, m_ok ); | |
343 | wxDL_METHOD_LOAD( m_dll, GetMovieTime, m_ok ); | |
344 | wxDL_METHOD_LOAD( m_dll, SetMovieTime, m_ok ); | |
345 | wxDL_METHOD_LOAD( m_dll, GetMovieVolume, m_ok ); | |
346 | wxDL_METHOD_LOAD( m_dll, SetMovieVolume, m_ok ); | |
347 | wxDL_METHOD_LOAD( m_dll, SetMovieTimeValue, m_ok ); | |
348 | wxDL_METHOD_LOAD( m_dll, NewMovieController, m_ok ); | |
349 | wxDL_METHOD_LOAD( m_dll, DisposeMovieController, m_ok ); | |
350 | wxDL_METHOD_LOAD( m_dll, MCSetVisible, m_ok ); | |
351 | wxDL_METHOD_LOAD( m_dll, PrePrerollMovie, m_ok ); | |
352 | wxDL_METHOD_LOAD( m_dll, PrerollMovie, m_ok ); | |
353 | wxDL_METHOD_LOAD( m_dll, GetMoviePreferredRate, m_ok ); | |
354 | wxDL_METHOD_LOAD( m_dll, GetMovieLoadState, m_ok ); | |
355 | wxDL_METHOD_LOAD( m_dll, MCDoAction, m_ok ); | |
356 | wxDL_METHOD_LOAD( m_dll, MCSetControllerBoundsRect, m_ok ); | |
357 | wxDL_METHOD_LOAD( m_dll, NativeEventToMacEvent, m_ok ); | |
358 | wxDL_METHOD_LOAD( m_dll, MCIsPlayerEvent, m_ok ); | |
359 | wxDL_METHOD_LOAD( m_dll, MCSetMovie, m_ok ); | |
360 | wxDL_METHOD_LOAD( m_dll, MCSetActionFilterWithRefCon, m_ok ); | |
361 | wxDL_METHOD_LOAD( m_dll, MCGetControllerInfo, m_ok ); | |
362 | wxDL_METHOD_LOAD( m_dll, BeginUpdate, m_ok ); | |
363 | wxDL_METHOD_LOAD( m_dll, UpdateMovie, m_ok ); | |
364 | wxDL_METHOD_LOAD( m_dll, EndUpdate, m_ok ); | |
365 | wxDL_METHOD_LOAD( m_dll, GetMoviesStickyError, m_ok ); | |
366 | ||
367 | m_ok = true; | |
368 | ||
369 | return true; | |
370 | } | |
371 | ||
372 | class WXDLLIMPEXP_MEDIA wxQTMediaBackend : public wxMediaBackendCommonBase | |
373 | { | |
374 | public: | |
375 | wxQTMediaBackend(); | |
376 | virtual ~wxQTMediaBackend(); | |
377 | ||
378 | virtual bool CreateControl(wxControl* ctrl, wxWindow* parent, | |
379 | wxWindowID id, | |
380 | const wxPoint& pos, | |
381 | const wxSize& size, | |
382 | long style, | |
383 | const wxValidator& validator, | |
384 | const wxString& name); | |
385 | ||
386 | virtual bool Play(); | |
387 | virtual bool Pause(); | |
388 | virtual bool Stop(); | |
389 | ||
390 | virtual bool Load(const wxURI& location, | |
391 | const wxURI& proxy) | |
392 | { return wxMediaBackend::Load(location, proxy); } | |
393 | ||
394 | virtual bool Load(const wxString& fileName); | |
395 | virtual bool Load(const wxURI& location); | |
396 | ||
397 | virtual wxMediaState GetState(); | |
398 | ||
399 | virtual bool SetPosition(wxLongLong where); | |
400 | virtual wxLongLong GetPosition(); | |
401 | virtual wxLongLong GetDuration(); | |
402 | ||
403 | virtual void Move(int x, int y, int w, int h); | |
404 | wxSize GetVideoSize() const; | |
405 | ||
406 | virtual double GetPlaybackRate(); | |
407 | virtual bool SetPlaybackRate(double dRate); | |
408 | ||
409 | virtual double GetVolume(); | |
410 | virtual bool SetVolume(double); | |
411 | ||
412 | void Cleanup(); | |
413 | void FinishLoad(); | |
414 | ||
415 | static void PPRMProc (Movie theMovie, OSErr theErr, void* theRefCon); | |
416 | ||
417 | // TODO: Last param actually long - does this work on 64bit machines? | |
418 | static Boolean MCFilterProc(MovieController theController, | |
419 | short action, void *params, LONG_PTR refCon); | |
420 | ||
421 | static LRESULT CALLBACK QTWndProc(HWND, UINT, WPARAM, LPARAM); | |
422 | ||
423 | virtual bool ShowPlayerControls(wxMediaCtrlPlayerControls flags); | |
424 | ||
425 | wxSize m_bestSize; // Original movie size | |
426 | Movie m_movie; // QT Movie handle/instance | |
427 | bool m_bVideo; // Whether or not we have video | |
428 | bool m_bPlaying; // Whether or not movie is playing | |
429 | wxTimer* m_timer; // Load or Play timer | |
430 | wxQuickTimeLibrary m_lib; // DLL to load functions from | |
431 | ComponentInstance m_pMC; // Movie Controller | |
432 | wxEvtHandler* m_evthandler; | |
433 | ||
434 | friend class wxQTMediaEvtHandler; | |
435 | ||
436 | DECLARE_DYNAMIC_CLASS(wxQTMediaBackend) | |
437 | }; | |
438 | ||
439 | // helper to hijack background erasing for the QT window | |
440 | class WXDLLIMPEXP_MEDIA wxQTMediaEvtHandler : public wxEvtHandler | |
441 | { | |
442 | public: | |
443 | wxQTMediaEvtHandler(wxQTMediaBackend *qtb, WXHWND hwnd) | |
444 | { | |
445 | m_qtb = qtb; | |
446 | m_hwnd = hwnd; | |
447 | ||
448 | m_qtb->m_ctrl->Connect(m_qtb->m_ctrl->GetId(), | |
449 | wxEVT_ERASE_BACKGROUND, | |
450 | wxEraseEventHandler(wxQTMediaEvtHandler::OnEraseBackground), | |
451 | NULL, this); | |
452 | } | |
453 | ||
454 | void OnEraseBackground(wxEraseEvent& event); | |
455 | ||
456 | private: | |
457 | wxQTMediaBackend *m_qtb; | |
458 | WXHWND m_hwnd; | |
459 | ||
460 | DECLARE_NO_COPY_CLASS(wxQTMediaEvtHandler) | |
461 | }; | |
462 | ||
463 | ||
464 | //=========================================================================== | |
465 | // IMPLEMENTATION | |
466 | //=========================================================================== | |
467 | ||
468 | ||
469 | //--------------------------------------------------------------------------- | |
470 | // wxQTMediaBackend | |
471 | // | |
472 | // TODO: Use a less kludgy way to pause/get state/set state | |
473 | // FIXME: Greg Hazel reports that sometimes files that cannot be played | |
474 | // with this backend are treated as playable anyway - not verified though. | |
475 | //--------------------------------------------------------------------------- | |
476 | ||
477 | IMPLEMENT_DYNAMIC_CLASS(wxQTMediaBackend, wxMediaBackend) | |
478 | ||
479 | // Time between timer calls - this is the Apple recommendation to the TCL | |
480 | // team I believe | |
481 | #define MOVIE_DELAY 20 | |
482 | ||
483 | //--------------------------------------------------------------------------- | |
484 | // wxQTLoadTimer | |
485 | // | |
486 | // QT, esp. QT for Windows is very picky about how you go about | |
487 | // async loading. If you were to go through a Windows message loop | |
488 | // or a MoviesTask or both and then check the movie load state | |
489 | // it would still return 1000 (loading)... even (pre)prerolling doesn't | |
490 | // help. However, making a load timer like this works | |
491 | //--------------------------------------------------------------------------- | |
492 | class wxQTLoadTimer : public wxTimer | |
493 | { | |
494 | public: | |
495 | wxQTLoadTimer(Movie movie, wxQTMediaBackend* parent, wxQuickTimeLibrary* pLib) : | |
496 | m_movie(movie), m_parent(parent), m_pLib(pLib) {} | |
497 | ||
498 | void Notify() | |
499 | { | |
500 | m_pLib->MoviesTask(m_movie, 0); | |
501 | // kMovieLoadStatePlayable | |
502 | if (m_pLib->GetMovieLoadState(m_movie) >= 10000) | |
503 | { | |
504 | m_parent->FinishLoad(); | |
505 | delete this; | |
506 | } | |
507 | } | |
508 | ||
509 | protected: | |
510 | Movie m_movie; //Our movie instance | |
511 | wxQTMediaBackend* m_parent; //Backend pointer | |
512 | wxQuickTimeLibrary* m_pLib; //Interfaces | |
513 | }; | |
514 | ||
515 | ||
516 | // -------------------------------------------------------------------------- | |
517 | // wxQTPlayTimer - Handle Asyncronous Playing | |
518 | // | |
519 | // 1) Checks to see if the movie is done, and if not continues | |
520 | // streaming the movie | |
521 | // 2) Sends the wxEVT_MEDIA_STOP event if we have reached the end of | |
522 | // the movie. | |
523 | // -------------------------------------------------------------------------- | |
524 | class wxQTPlayTimer : public wxTimer | |
525 | { | |
526 | public: | |
527 | wxQTPlayTimer(Movie movie, wxQTMediaBackend* parent, | |
528 | wxQuickTimeLibrary* pLib) : | |
529 | m_movie(movie), m_parent(parent), m_pLib(pLib) {} | |
530 | ||
531 | void Notify() | |
532 | { | |
533 | // | |
534 | // OK, a little explaining - basically originally | |
535 | // we only called MoviesTask if the movie was actually | |
536 | // playing (not paused or stopped)... this was before | |
537 | // we realized MoviesTask actually handles repainting | |
538 | // of the current frame - so if you were to resize | |
539 | // or something it would previously not redraw that | |
540 | // portion of the movie. | |
541 | // | |
542 | // So now we call MoviesTask always so that it repaints | |
543 | // correctly. | |
544 | // | |
545 | m_pLib->MoviesTask(m_movie, 0); | |
546 | ||
547 | // | |
548 | // Handle the stop event - if the movie has reached | |
549 | // the end, notify our handler | |
550 | // | |
551 | // m_bPlaying == !(Stopped | Paused) | |
552 | // | |
553 | if (m_parent->m_bPlaying) | |
554 | { | |
555 | if (m_pLib->IsMovieDone(m_movie)) | |
556 | { | |
557 | if ( m_parent->SendStopEvent() ) | |
558 | { | |
559 | m_parent->Stop(); | |
560 | wxASSERT(m_pLib->GetMoviesError() == noErr); | |
561 | ||
562 | m_parent->QueueFinishEvent(); | |
563 | } | |
564 | } | |
565 | } | |
566 | } | |
567 | ||
568 | protected: | |
569 | Movie m_movie; // Our movie instance | |
570 | wxQTMediaBackend* m_parent; //Backend pointer | |
571 | wxQuickTimeLibrary* m_pLib; //Interfaces | |
572 | }; | |
573 | ||
574 | ||
575 | //--------------------------------------------------------------------------- | |
576 | // wxQTMediaBackend::QTWndProc | |
577 | // | |
578 | // Forwards events to the Movie Controller so that it can | |
579 | // redraw itself/process messages etc.. | |
580 | //--------------------------------------------------------------------------- | |
581 | LRESULT CALLBACK wxQTMediaBackend::QTWndProc(HWND hWnd, UINT nMsg, | |
582 | WPARAM wParam, LPARAM lParam) | |
583 | { | |
584 | wxQTMediaBackend* pThis = (wxQTMediaBackend*)wxGetWindowUserData(hWnd); | |
585 | ||
586 | MSG msg; | |
587 | msg.hwnd = hWnd; | |
588 | msg.message = nMsg; | |
589 | msg.wParam = wParam; | |
590 | msg.lParam = lParam; | |
591 | msg.time = 0; | |
592 | msg.pt.x = 0; | |
593 | msg.pt.y = 0; | |
594 | EventRecord theEvent; | |
595 | pThis->m_lib.NativeEventToMacEvent(&msg, &theEvent); | |
596 | pThis->m_lib.MCIsPlayerEvent(pThis->m_pMC, &theEvent); | |
597 | ||
598 | return pThis->m_ctrl->MSWWindowProc(nMsg, wParam, lParam); | |
599 | } | |
600 | ||
601 | //--------------------------------------------------------------------------- | |
602 | // wxQTMediaBackend Destructor | |
603 | // | |
604 | // Sets m_timer to NULL signifying we havn't loaded anything yet | |
605 | //--------------------------------------------------------------------------- | |
606 | wxQTMediaBackend::wxQTMediaBackend() | |
607 | : m_movie(NULL), m_bPlaying(false), m_timer(NULL), m_pMC(NULL) | |
608 | { | |
609 | m_evthandler = NULL; | |
610 | } | |
611 | ||
612 | //--------------------------------------------------------------------------- | |
613 | // wxQTMediaBackend Destructor | |
614 | // | |
615 | // 1) Cleans up the QuickTime movie instance | |
616 | // 2) Decrements the QuickTime reference counter - if this reaches | |
617 | // 0, QuickTime shuts down | |
618 | // 3) Decrements the QuickTime Windows Media Layer reference counter - | |
619 | // if this reaches 0, QuickTime shuts down the Windows Media Layer | |
620 | //--------------------------------------------------------------------------- | |
621 | wxQTMediaBackend::~wxQTMediaBackend() | |
622 | { | |
623 | if (m_movie) | |
624 | Cleanup(); | |
625 | ||
626 | if (m_lib.IsOk()) | |
627 | { | |
628 | if (m_pMC) | |
629 | { | |
630 | m_lib.DisposeMovieController(m_pMC); | |
631 | // m_pMC = NULL; | |
632 | } | |
633 | ||
634 | // destroy wxQTMediaEvtHandler we pushed on it | |
635 | if (m_evthandler) | |
636 | { | |
637 | m_ctrl->RemoveEventHandler(m_evthandler); | |
638 | delete m_evthandler; | |
639 | } | |
640 | ||
641 | m_lib.DestroyPortAssociation( | |
642 | (CGrafPtr)m_lib.GetNativeWindowPort(m_ctrl->GetHWND())); | |
643 | ||
644 | //Note that ExitMovies() is not necessary, but | |
645 | //the docs are fuzzy on whether or not TerminateQTML is | |
646 | m_lib.ExitMovies(); | |
647 | m_lib.TerminateQTML(); | |
648 | } | |
649 | } | |
650 | ||
651 | //--------------------------------------------------------------------------- | |
652 | // wxQTMediaBackend::CreateControl | |
653 | // | |
654 | // 1) Intializes QuickTime | |
655 | // 2) Creates the control window | |
656 | //--------------------------------------------------------------------------- | |
657 | bool wxQTMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent, | |
658 | wxWindowID id, | |
659 | const wxPoint& pos, | |
660 | const wxSize& size, | |
661 | long style, | |
662 | const wxValidator& validator, | |
663 | const wxString& name) | |
664 | { | |
665 | if (!m_lib.Initialize()) | |
666 | return false; | |
667 | ||
668 | int nError = m_lib.InitializeQTML(0); | |
669 | if (nError != noErr) //-2093 no dll | |
670 | { | |
671 | wxFAIL_MSG(wxString::Format(wxT("Couldn't Initialize Quicktime-%i"), nError)); | |
672 | return false; | |
673 | } | |
674 | ||
675 | m_lib.EnterMovies(); | |
676 | ||
677 | // Create window | |
678 | // By default wxWindow(s) is created with a border - | |
679 | // so we need to get rid of those | |
680 | // | |
681 | // Since we don't have a child window like most other | |
682 | // backends, we don't need wxCLIP_CHILDREN | |
683 | if ( !ctrl->wxControl::Create(parent, id, pos, size, | |
684 | (style & ~wxBORDER_MASK) | wxBORDER_NONE, | |
685 | validator, name) ) | |
686 | { | |
687 | return false; | |
688 | } | |
689 | ||
690 | m_ctrl = wxStaticCast(ctrl, wxMediaCtrl); | |
691 | ||
692 | // Create a port association for our window so we | |
693 | // can use it as a WindowRef | |
694 | m_lib.CreatePortAssociation(m_ctrl->GetHWND(), NULL, 0L); | |
695 | ||
696 | // Part of a suggestion from Greg Hazel | |
697 | // to repaint movie when idle | |
698 | m_evthandler = new wxQTMediaEvtHandler(this, m_ctrl->GetHWND()); | |
699 | m_ctrl->PushEventHandler(m_evthandler); | |
700 | ||
701 | // done | |
702 | return true; | |
703 | } | |
704 | ||
705 | //--------------------------------------------------------------------------- | |
706 | // wxQTMediaBackend::Load (file version) | |
707 | // | |
708 | // 1) Get an FSSpec from the Windows path name | |
709 | // 2) Open the movie | |
710 | // 3) Obtain the movie instance from the movie resource | |
711 | // 4) Close the movie resource | |
712 | // 5) Finish loading | |
713 | //--------------------------------------------------------------------------- | |
714 | bool wxQTMediaBackend::Load(const wxString& fileName) | |
715 | { | |
716 | if (m_movie) | |
717 | Cleanup(); | |
718 | ||
719 | bool result = true; | |
720 | OSErr err = noErr; | |
721 | short movieResFile = 0; //= 0 because of annoying VC6 warning | |
722 | FSSpec sfFile; | |
723 | ||
724 | err = m_lib.NativePathNameToFSSpec( | |
725 | (char*) (const char*) fileName.mb_str(), | |
726 | &sfFile, 0); | |
727 | result = (err == noErr); | |
728 | ||
729 | if (result) | |
730 | { | |
731 | err = m_lib.OpenMovieFile(&sfFile, &movieResFile, fsRdPerm); | |
732 | result = (err == noErr); | |
733 | } | |
734 | ||
735 | if (result) | |
736 | { | |
737 | short movieResID = 0; | |
738 | Str255 movieName; | |
739 | ||
740 | err = m_lib.NewMovieFromFile( | |
741 | &m_movie, | |
742 | movieResFile, | |
743 | &movieResID, | |
744 | movieName, | |
745 | newMovieActive, | |
746 | NULL ); // wasChanged | |
747 | result = (err == noErr /*&& m_lib.GetMoviesStickyError() == noErr*/); | |
748 | ||
749 | // check m_lib.GetMoviesStickyError() because it may not find the | |
750 | // proper codec and play black video and other strange effects, | |
751 | // not to mention mess up the dynamic backend loading scheme | |
752 | // of wxMediaCtrl - so it just does what the QuickTime player does | |
753 | if (result) | |
754 | { | |
755 | m_lib.CloseMovieFile(movieResFile); | |
756 | FinishLoad(); | |
757 | } | |
758 | } | |
759 | ||
760 | return result; | |
761 | } | |
762 | ||
763 | //--------------------------------------------------------------------------- | |
764 | // wxQTMediaBackend::PPRMProc (static) | |
765 | // | |
766 | // Called when done PrePrerolling the movie. | |
767 | // Note that in 99% of the cases this does nothing... | |
768 | // Anyway we set up the loading timer here to tell us when the movie is done | |
769 | //--------------------------------------------------------------------------- | |
770 | void wxQTMediaBackend::PPRMProc (Movie theMovie, | |
771 | OSErr WXUNUSED_UNLESS_DEBUG(theErr), | |
772 | void* theRefCon) | |
773 | { | |
774 | wxASSERT( theMovie ); | |
775 | wxASSERT( theRefCon ); | |
776 | wxASSERT( theErr == noErr ); | |
777 | ||
778 | wxQTMediaBackend* pBE = (wxQTMediaBackend*) theRefCon; | |
779 | ||
780 | long lTime = pBE->m_lib.GetMovieTime(theMovie,NULL); | |
781 | Fixed rate = pBE->m_lib.GetMoviePreferredRate(theMovie); | |
782 | pBE->m_lib.PrerollMovie(theMovie, lTime, rate); | |
783 | pBE->m_timer = new wxQTLoadTimer(pBE->m_movie, pBE, &pBE->m_lib); | |
784 | pBE->m_timer->Start(MOVIE_DELAY); | |
785 | } | |
786 | ||
787 | //--------------------------------------------------------------------------- | |
788 | // wxQTMediaBackend::Load (URL Version) | |
789 | // | |
790 | // 1) Build an escaped URI from location | |
791 | // 2) Create a handle to store the URI string | |
792 | // 3) Put the URI string inside the handle | |
793 | // 4) Make a QuickTime URL data ref from the handle with the URI in it | |
794 | // 5) Clean up the URI string handle | |
795 | // 6) Do some prerolling | |
796 | // 7) Finish Loading | |
797 | //--------------------------------------------------------------------------- | |
798 | bool wxQTMediaBackend::Load(const wxURI& location) | |
799 | { | |
800 | if (m_movie) | |
801 | Cleanup(); | |
802 | ||
803 | wxString theURI = location.BuildURI(); | |
804 | ||
805 | Handle theHandle = m_lib.NewHandleClear(theURI.length() + 1); | |
806 | wxASSERT(theHandle); | |
807 | ||
808 | m_lib.BlockMove(theURI.mb_str(), *theHandle, theURI.length() + 1); | |
809 | ||
810 | // create the movie from the handle that refers to the URI | |
811 | OSErr err = m_lib.NewMovieFromDataRef(&m_movie, newMovieActive | | |
812 | newMovieAsyncOK | |
813 | /* | newMovieIdleImportOK */, | |
814 | NULL, theHandle, | |
815 | URLDataHandlerSubType); | |
816 | ||
817 | m_lib.DisposeHandle(theHandle); | |
818 | ||
819 | if (err == noErr) | |
820 | { | |
821 | long timeNow; | |
822 | Fixed playRate; | |
823 | ||
824 | timeNow = m_lib.GetMovieTime(m_movie, NULL); | |
825 | wxASSERT(m_lib.GetMoviesError() == noErr); | |
826 | ||
827 | playRate = m_lib.GetMoviePreferredRate(m_movie); | |
828 | wxASSERT(m_lib.GetMoviesError() == noErr); | |
829 | ||
830 | // Note that the callback here is optional, | |
831 | // but without it PrePrerollMovie can be buggy | |
832 | // (see Apple ml). Also, some may wonder | |
833 | // why we need this at all - this is because | |
834 | // Apple docs say QuickTime streamed movies | |
835 | // require it if you don't use a Movie Controller, | |
836 | // which we don't by default. | |
837 | // | |
838 | m_lib.PrePrerollMovie(m_movie, timeNow, playRate, | |
839 | (WXFARPROC)wxQTMediaBackend::PPRMProc, | |
840 | (void*)this); | |
841 | ||
842 | return true; | |
843 | } | |
844 | else | |
845 | return false; | |
846 | } | |
847 | ||
848 | //--------------------------------------------------------------------------- | |
849 | // wxQTMediaBackend::FinishLoad | |
850 | // | |
851 | // 1) Create the movie timer | |
852 | // 2) Get real size of movie for GetBestSize/sizers | |
853 | // 3) Set the movie time scale to something usable so that seeking | |
854 | // etc. will work correctly | |
855 | // 4) Set our Movie Controller to display the movie if it exists, | |
856 | // otherwise set the bounds of the Movie | |
857 | // 5) Refresh parent window | |
858 | //--------------------------------------------------------------------------- | |
859 | void wxQTMediaBackend::FinishLoad() | |
860 | { | |
861 | // Create the playing/streaming timer | |
862 | m_timer = new wxQTPlayTimer(m_movie, (wxQTMediaBackend*) this, &m_lib); | |
863 | wxASSERT(m_timer); | |
864 | ||
865 | m_timer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS); | |
866 | ||
867 | // get the real size of the movie | |
868 | Rect outRect; | |
869 | memset(&outRect, 0, sizeof(Rect)); // suppress annoying VC6 warning | |
870 | m_lib.GetMovieNaturalBoundsRect (m_movie, &outRect); | |
871 | wxASSERT(m_lib.GetMoviesError() == noErr); | |
872 | ||
873 | m_bestSize.x = outRect.right - outRect.left; | |
874 | m_bestSize.y = outRect.bottom - outRect.top; | |
875 | ||
876 | // Handle the movie GWorld | |
877 | if (m_pMC) | |
878 | { | |
879 | Point thePoint; | |
880 | thePoint.h = thePoint.v = 0; | |
881 | m_lib.MCSetMovie(m_pMC, m_movie, | |
882 | m_lib.GetNativeWindowPort(m_ctrl->GetHandle()), | |
883 | thePoint); | |
884 | m_lib.MCSetVisible(m_pMC, true); | |
885 | m_bestSize.y += 16; | |
886 | } | |
887 | else | |
888 | { | |
889 | m_lib.SetMovieGWorld(m_movie, | |
890 | (CGrafPtr) m_lib.GetNativeWindowPort(m_ctrl->GetHWND()), | |
891 | NULL); | |
892 | } | |
893 | ||
894 | // Set the movie to millisecond precision | |
895 | m_lib.SetMovieTimeScale(m_movie, 1000); | |
896 | wxASSERT(m_lib.GetMoviesError() == noErr); | |
897 | ||
898 | NotifyMovieLoaded(); | |
899 | } | |
900 | ||
901 | //--------------------------------------------------------------------------- | |
902 | // wxQTMediaBackend::Play | |
903 | // | |
904 | // 1) Start the QT movie | |
905 | // 2) Start the movie loading timer | |
906 | // | |
907 | // NOTE: This will still return success even when | |
908 | // the movie is still loading, and as mentioned in wxQTLoadTimer | |
909 | // I don't know of a way to force this to be sync - so if its | |
910 | // still loading the function will return true but the movie will | |
911 | // still be in the stopped state | |
912 | //--------------------------------------------------------------------------- | |
913 | bool wxQTMediaBackend::Play() | |
914 | { | |
915 | m_lib.StartMovie(m_movie); | |
916 | m_bPlaying = true; | |
917 | ||
918 | return m_lib.GetMoviesError() == noErr; | |
919 | } | |
920 | ||
921 | //--------------------------------------------------------------------------- | |
922 | // wxQTMediaBackend::Pause | |
923 | // | |
924 | // 1) Stop the movie | |
925 | // 2) Stop the movie timer | |
926 | //--------------------------------------------------------------------------- | |
927 | bool wxQTMediaBackend::Pause() | |
928 | { | |
929 | m_bPlaying = false; | |
930 | m_lib.StopMovie(m_movie); | |
931 | ||
932 | return m_lib.GetMoviesError() == noErr; | |
933 | } | |
934 | ||
935 | //--------------------------------------------------------------------------- | |
936 | // wxQTMediaBackend::Stop | |
937 | // | |
938 | // 1) Stop the movie | |
939 | // 2) Stop the movie timer | |
940 | // 3) Seek to the beginning of the movie | |
941 | //--------------------------------------------------------------------------- | |
942 | bool wxQTMediaBackend::Stop() | |
943 | { | |
944 | m_bPlaying = false; | |
945 | ||
946 | m_lib.StopMovie(m_movie); | |
947 | if (m_lib.GetMoviesError() == noErr) | |
948 | m_lib.GoToBeginningOfMovie(m_movie); | |
949 | ||
950 | return m_lib.GetMoviesError() == noErr; | |
951 | } | |
952 | ||
953 | //--------------------------------------------------------------------------- | |
954 | // wxQTMediaBackend::GetPlaybackRate | |
955 | // | |
956 | // Get the movie playback rate from ::GetMovieRate | |
957 | //--------------------------------------------------------------------------- | |
958 | double wxQTMediaBackend::GetPlaybackRate() | |
959 | { | |
960 | return ( ((double)m_lib.GetMovieRate(m_movie)) / 0x10000); | |
961 | } | |
962 | ||
963 | //--------------------------------------------------------------------------- | |
964 | // wxQTMediaBackend::SetPlaybackRate | |
965 | // | |
966 | // Convert dRate to Fixed and Set the movie rate through SetMovieRate | |
967 | //--------------------------------------------------------------------------- | |
968 | bool wxQTMediaBackend::SetPlaybackRate(double dRate) | |
969 | { | |
970 | m_lib.SetMovieRate(m_movie, (Fixed) (dRate * 0x10000)); | |
971 | ||
972 | return m_lib.GetMoviesError() == noErr; | |
973 | } | |
974 | ||
975 | //--------------------------------------------------------------------------- | |
976 | // wxQTMediaBackend::SetPosition | |
977 | // | |
978 | // 1) Create a time record struct (TimeRecord) with appropriate values | |
979 | // 2) Pass struct to SetMovieTime | |
980 | //--------------------------------------------------------------------------- | |
981 | bool wxQTMediaBackend::SetPosition(wxLongLong where) | |
982 | { | |
983 | // NB: For some reason SetMovieTime does not work | |
984 | // correctly with the Quicktime Windows SDK (6) | |
985 | // From Muskelkatermann at the wxForum | |
986 | // http://www.solidsteel.nl/users/wxwidgets/viewtopic.php?t=2957 | |
987 | // RN - note that I have not verified this but there | |
988 | // is no harm in calling SetMovieTimeValue instead | |
989 | #if 0 | |
990 | TimeRecord theTimeRecord; | |
991 | memset(&theTimeRecord, 0, sizeof(TimeRecord)); | |
992 | theTimeRecord.value.lo = where.GetLo(); | |
993 | theTimeRecord.scale = m_lib.GetMovieTimeScale(m_movie); | |
994 | theTimeRecord.base = m_lib.GetMovieTimeBase(m_movie); | |
995 | m_lib.SetMovieTime(m_movie, &theTimeRecord); | |
996 | #else | |
997 | m_lib.SetMovieTimeValue(m_movie, where.GetLo()); | |
998 | #endif | |
999 | ||
1000 | return (m_lib.GetMoviesError() == noErr); | |
1001 | } | |
1002 | ||
1003 | //--------------------------------------------------------------------------- | |
1004 | // wxQTMediaBackend::GetPosition | |
1005 | // | |
1006 | // 1) Calls GetMovieTime to get the position we are in in the movie | |
1007 | // in milliseconds (we called | |
1008 | //--------------------------------------------------------------------------- | |
1009 | wxLongLong wxQTMediaBackend::GetPosition() | |
1010 | { | |
1011 | return m_lib.GetMovieTime(m_movie, NULL); | |
1012 | } | |
1013 | ||
1014 | //--------------------------------------------------------------------------- | |
1015 | // wxQTMediaBackend::GetVolume | |
1016 | // | |
1017 | // Gets the volume through GetMovieVolume - which returns a 16 bit short - | |
1018 | // | |
1019 | // +--------+--------+ | |
1020 | // + (1) + (2) + | |
1021 | // +--------+--------+ | |
1022 | // | |
1023 | // (1) first 8 bits are value before decimal | |
1024 | // (2) second 8 bits are value after decimal | |
1025 | // | |
1026 | // Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to | |
1027 | // 1 (full gain and sound) | |
1028 | //--------------------------------------------------------------------------- | |
1029 | double wxQTMediaBackend::GetVolume() | |
1030 | { | |
1031 | short sVolume = m_lib.GetMovieVolume(m_movie); | |
1032 | wxASSERT(m_lib.GetMoviesError() == noErr); | |
1033 | ||
1034 | if (sVolume & (128 << 8)) //negative - no sound | |
1035 | return 0.0; | |
1036 | ||
1037 | return sVolume / 256.0; | |
1038 | } | |
1039 | ||
1040 | //--------------------------------------------------------------------------- | |
1041 | // wxQTMediaBackend::SetVolume | |
1042 | // | |
1043 | // Sets the volume through SetMovieVolume - which takes a 16 bit short - | |
1044 | // | |
1045 | // +--------+--------+ | |
1046 | // + (1) + (2) + | |
1047 | // +--------+--------+ | |
1048 | // | |
1049 | // (1) first 8 bits are value before decimal | |
1050 | // (2) second 8 bits are value after decimal | |
1051 | // | |
1052 | // Volume ranges from -1.0 (gain but no sound), 0 (no sound and no gain) to | |
1053 | // 1 (full gain and sound) | |
1054 | //--------------------------------------------------------------------------- | |
1055 | bool wxQTMediaBackend::SetVolume(double dVolume) | |
1056 | { | |
1057 | m_lib.SetMovieVolume(m_movie, (short) (dVolume * 256)); | |
1058 | return m_lib.GetMoviesError() == noErr; | |
1059 | } | |
1060 | ||
1061 | //--------------------------------------------------------------------------- | |
1062 | // wxQTMediaBackend::GetDuration | |
1063 | // | |
1064 | // Calls GetMovieDuration | |
1065 | //--------------------------------------------------------------------------- | |
1066 | wxLongLong wxQTMediaBackend::GetDuration() | |
1067 | { | |
1068 | return m_lib.GetMovieDuration(m_movie); | |
1069 | } | |
1070 | ||
1071 | //--------------------------------------------------------------------------- | |
1072 | // wxQTMediaBackend::GetState | |
1073 | // | |
1074 | // Determines the current state: | |
1075 | // if we are at the beginning, then we are stopped | |
1076 | //--------------------------------------------------------------------------- | |
1077 | wxMediaState wxQTMediaBackend::GetState() | |
1078 | { | |
1079 | if (m_bPlaying) | |
1080 | return wxMEDIASTATE_PLAYING; | |
1081 | else if ( !m_movie || wxQTMediaBackend::GetPosition() == 0 ) | |
1082 | return wxMEDIASTATE_STOPPED; | |
1083 | else | |
1084 | return wxMEDIASTATE_PAUSED; | |
1085 | } | |
1086 | ||
1087 | //--------------------------------------------------------------------------- | |
1088 | // wxQTMediaBackend::Cleanup | |
1089 | // | |
1090 | // Diposes of the movie timer, Disassociates the Movie Controller with | |
1091 | // movie and hides it if it exists, and stops and disposes | |
1092 | // of the QT movie | |
1093 | //--------------------------------------------------------------------------- | |
1094 | void wxQTMediaBackend::Cleanup() | |
1095 | { | |
1096 | m_bPlaying = false; | |
1097 | ||
1098 | if (m_timer) | |
1099 | { | |
1100 | delete m_timer; | |
1101 | m_timer = NULL; | |
1102 | } | |
1103 | ||
1104 | m_lib.StopMovie(m_movie); | |
1105 | ||
1106 | if (m_pMC) | |
1107 | { | |
1108 | Point thePoint; | |
1109 | thePoint.h = thePoint.v = 0; | |
1110 | m_lib.MCSetVisible(m_pMC, false); | |
1111 | m_lib.MCSetMovie(m_pMC, NULL, NULL, thePoint); | |
1112 | } | |
1113 | ||
1114 | m_lib.DisposeMovie(m_movie); | |
1115 | m_movie = NULL; | |
1116 | } | |
1117 | ||
1118 | //--------------------------------------------------------------------------- | |
1119 | // wxQTMediaBackend::ShowPlayerControls | |
1120 | // | |
1121 | // Creates a movie controller for the Movie if the user wants it | |
1122 | //--------------------------------------------------------------------------- | |
1123 | bool wxQTMediaBackend::ShowPlayerControls(wxMediaCtrlPlayerControls flags) | |
1124 | { | |
1125 | if (m_pMC) | |
1126 | { | |
1127 | // restore old wndproc | |
1128 | wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxWndProc); | |
1129 | m_lib.DisposeMovieController(m_pMC); | |
1130 | m_pMC = NULL; | |
1131 | ||
1132 | // movie controller height | |
1133 | m_bestSize.y -= 16; | |
1134 | } | |
1135 | ||
1136 | if (flags && m_movie) | |
1137 | { | |
1138 | Rect rect; | |
1139 | wxRect wxrect = m_ctrl->GetClientRect(); | |
1140 | ||
1141 | // make room for controller | |
1142 | if (wxrect.width < 320) | |
1143 | wxrect.width = 320; | |
1144 | ||
1145 | rect.top = (short)wxrect.y; | |
1146 | rect.left = (short)wxrect.x; | |
1147 | rect.right = (short)(rect.left + wxrect.width); | |
1148 | rect.bottom = (short)(rect.top + wxrect.height); | |
1149 | ||
1150 | if (!m_pMC) | |
1151 | { | |
1152 | m_pMC = m_lib.NewMovieController(m_movie, &rect, mcTopLeftMovie | | |
1153 | // mcScaleMovieToFit | | |
1154 | // mcWithBadge | | |
1155 | mcWithFrame); | |
1156 | m_lib.MCDoAction(m_pMC, 32, (void*)true); // mcActionSetKeysEnabled | |
1157 | m_lib.MCSetActionFilterWithRefCon(m_pMC, | |
1158 | (WXFARPROC)wxQTMediaBackend::MCFilterProc, (void*)this); | |
1159 | m_bestSize.y += 16; // movie controller height | |
1160 | ||
1161 | // By default the movie controller uses its own colour palette | |
1162 | // for the movie which can be bad on some files, so turn it off. | |
1163 | // Also turn off its frame / border for the movie | |
1164 | // Also take care of a couple of the interface flags here | |
1165 | long mcFlags = 0; | |
1166 | m_lib.MCDoAction(m_pMC, 39/*mcActionGetFlags*/, (void*)&mcFlags); | |
1167 | ||
1168 | mcFlags |= | |
1169 | // (1<< 0) /*mcFlagSuppressMovieFrame*/ | | |
1170 | (1<< 3) /*mcFlagsUseWindowPalette*/ | |
1171 | | ((flags & wxMEDIACTRLPLAYERCONTROLS_STEP) | |
1172 | ? 0 : (1<< 1) /*mcFlagSuppressStepButtons*/) | |
1173 | | ((flags & wxMEDIACTRLPLAYERCONTROLS_VOLUME) | |
1174 | ? 0 : (1<< 2) /*mcFlagSuppressSpeakerButton*/) | |
1175 | // | (1<< 4) /*mcFlagDontInvalidate*/ // if we take care of repainting ourselves | |
1176 | ; | |
1177 | ||
1178 | m_lib.MCDoAction(m_pMC, 38/*mcActionSetFlags*/, (void*)mcFlags); | |
1179 | ||
1180 | // intercept the wndproc of our control window | |
1181 | wxSetWindowProc((HWND)m_ctrl->GetHWND(), wxQTMediaBackend::QTWndProc); | |
1182 | ||
1183 | // set the user data of our window | |
1184 | wxSetWindowUserData((HWND)m_ctrl->GetHWND(), this); | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | NotifyMovieSizeChanged(); | |
1189 | ||
1190 | return m_lib.GetMoviesError() == noErr; | |
1191 | } | |
1192 | ||
1193 | //--------------------------------------------------------------------------- | |
1194 | // wxQTMediaBackend::MCFilterProc (static) | |
1195 | // | |
1196 | // Callback for when the movie controller recieves a message | |
1197 | //--------------------------------------------------------------------------- | |
1198 | Boolean wxQTMediaBackend::MCFilterProc(MovieController WXUNUSED(theController), | |
1199 | short action, | |
1200 | void * WXUNUSED(params), | |
1201 | LONG_PTR refCon) | |
1202 | { | |
1203 | // NB: potential optimisation | |
1204 | // if (action == 1) | |
1205 | // return 0; | |
1206 | ||
1207 | wxQTMediaBackend* pThis = (wxQTMediaBackend*)refCon; | |
1208 | ||
1209 | switch (action) | |
1210 | { | |
1211 | case 1: | |
1212 | // don't process idle events | |
1213 | break; | |
1214 | ||
1215 | case 8: | |
1216 | // play button triggered - MC will set movie to opposite state | |
1217 | // of current - playing ? paused : playing | |
1218 | if (pThis) | |
1219 | pThis->m_bPlaying = !(pThis->m_bPlaying); | |
1220 | ||
1221 | // NB: Sometimes it doesn't redraw properly - | |
1222 | // if you click on the button but don't move the mouse | |
1223 | // the button will not change its state until you move | |
1224 | // mcActionDraw and Refresh/Update combo do nothing | |
1225 | // to help this unfortunately | |
1226 | break; | |
1227 | ||
1228 | default: | |
1229 | break; | |
1230 | } | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | //--------------------------------------------------------------------------- | |
1236 | // wxQTMediaBackend::GetVideoSize | |
1237 | // | |
1238 | // Returns the actual size of the QT movie | |
1239 | //--------------------------------------------------------------------------- | |
1240 | wxSize wxQTMediaBackend::GetVideoSize() const | |
1241 | { | |
1242 | return m_bestSize; | |
1243 | } | |
1244 | ||
1245 | //--------------------------------------------------------------------------- | |
1246 | // wxQTMediaBackend::Move | |
1247 | // | |
1248 | // Sets the bounds of either the Movie or Movie Controller | |
1249 | //--------------------------------------------------------------------------- | |
1250 | void wxQTMediaBackend::Move(int WXUNUSED(x), int WXUNUSED(y), int w, int h) | |
1251 | { | |
1252 | if (m_movie) | |
1253 | { | |
1254 | // make room for controller | |
1255 | if (m_pMC) | |
1256 | { | |
1257 | if (w < 320) | |
1258 | w = 320; | |
1259 | ||
1260 | Rect theRect = {0, 0, (short)h, (short)w}; | |
1261 | m_lib.MCSetControllerBoundsRect(m_pMC, &theRect); | |
1262 | } | |
1263 | else | |
1264 | { | |
1265 | Rect theRect = {0, 0, (short)h, (short)w}; | |
1266 | m_lib.SetMovieBox(m_movie, &theRect); | |
1267 | } | |
1268 | ||
1269 | wxASSERT(m_lib.GetMoviesError() == noErr); | |
1270 | } | |
1271 | } | |
1272 | ||
1273 | //--------------------------------------------------------------------------- | |
1274 | // wxQTMediaBackend::OnEraseBackground | |
1275 | // | |
1276 | // Suggestion from Greg Hazel to repaint the movie when idle | |
1277 | // (on pause also) | |
1278 | // | |
1279 | // TODO: We may be repainting too much here - under what exact circumstances | |
1280 | // do we need this? I think Move also repaints correctly for the Movie | |
1281 | // Controller, so in that instance we don't need this either | |
1282 | //--------------------------------------------------------------------------- | |
1283 | void wxQTMediaEvtHandler::OnEraseBackground(wxEraseEvent& evt) | |
1284 | { | |
1285 | wxQuickTimeLibrary& m_pLib = m_qtb->m_lib; | |
1286 | ||
1287 | if ( m_qtb->m_pMC ) | |
1288 | { | |
1289 | // repaint movie controller | |
1290 | m_pLib.MCDoAction(m_qtb->m_pMC, 2 /*mcActionDraw*/, | |
1291 | m_pLib.GetNativeWindowPort(m_hwnd)); | |
1292 | } | |
1293 | else if ( m_qtb->m_movie ) | |
1294 | { | |
1295 | // no movie controller | |
1296 | CGrafPtr port = (CGrafPtr)m_pLib.GetNativeWindowPort(m_hwnd); | |
1297 | ||
1298 | m_pLib.BeginUpdate(port); | |
1299 | m_pLib.UpdateMovie(m_qtb->m_movie); | |
1300 | wxASSERT(m_pLib.GetMoviesError() == noErr); | |
1301 | m_pLib.EndUpdate(port); | |
1302 | } | |
1303 | else | |
1304 | { | |
1305 | // no movie | |
1306 | // let the system repaint the window | |
1307 | evt.Skip(); | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | //--------------------------------------------------------------------------- | |
1312 | // End QT Backend | |
1313 | //--------------------------------------------------------------------------- | |
1314 | ||
1315 | // in source file that contains stuff you don't directly use | |
1316 | #include "wx/html/forcelnk.h" | |
1317 | FORCE_LINK_ME(wxmediabackend_qt) | |
1318 | ||
1319 | #endif // wxUSE_MEDIACTRL && wxUSE_ACTIVEX |