| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/cocoa/mediactrl.cpp |
| 3 | // Purpose: Built-in Media Backends for Cocoa |
| 4 | // Author: Ryan Norton <wxprojects@comcast.net> |
| 5 | // Modified by: |
| 6 | // Created: 02/03/05 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2004-2005 Ryan Norton, (c) 2005 David Elliot |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | //=========================================================================== |
| 13 | // DECLARATIONS |
| 14 | //=========================================================================== |
| 15 | |
| 16 | //--------------------------------------------------------------------------- |
| 17 | // Pre-compiled header stuff |
| 18 | //--------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | //--------------------------------------------------------------------------- |
| 28 | // Compilation guard |
| 29 | //--------------------------------------------------------------------------- |
| 30 | #if wxUSE_MEDIACTRL |
| 31 | |
| 32 | #include "wx/mediactrl.h" |
| 33 | |
| 34 | #ifndef WX_PRECOMP |
| 35 | #include "wx/timer.h" |
| 36 | #endif |
| 37 | |
| 38 | //=========================================================================== |
| 39 | // BACKEND DECLARATIONS |
| 40 | //=========================================================================== |
| 41 | |
| 42 | //--------------------------------------------------------------------------- |
| 43 | // |
| 44 | // wxQTMediaBackend |
| 45 | // |
| 46 | //--------------------------------------------------------------------------- |
| 47 | |
| 48 | //--------------------------------------------------------------------------- |
| 49 | // QT Includes |
| 50 | //--------------------------------------------------------------------------- |
| 51 | #include <QuickTime/QuickTime.h> |
| 52 | |
| 53 | #include "wx/cocoa/autorelease.h" |
| 54 | #include "wx/cocoa/string.h" |
| 55 | |
| 56 | #import <AppKit/NSMovie.h> |
| 57 | #import <AppKit/NSMovieView.h> |
| 58 | |
| 59 | |
| 60 | class WXDLLIMPEXP_MEDIA wxQTMediaBackend : public wxMediaBackend |
| 61 | { |
| 62 | public: |
| 63 | |
| 64 | wxQTMediaBackend(); |
| 65 | ~wxQTMediaBackend(); |
| 66 | |
| 67 | virtual bool CreateControl(wxControl* ctrl, wxWindow* parent, |
| 68 | wxWindowID id, |
| 69 | const wxPoint& pos, |
| 70 | const wxSize& size, |
| 71 | long style, |
| 72 | const wxValidator& validator, |
| 73 | const wxString& name); |
| 74 | |
| 75 | virtual bool Play(); |
| 76 | virtual bool Pause(); |
| 77 | virtual bool Stop(); |
| 78 | |
| 79 | virtual bool Load(const wxString& fileName); |
| 80 | virtual bool Load(const wxURI& location); |
| 81 | |
| 82 | virtual wxMediaState GetState(); |
| 83 | |
| 84 | virtual bool SetPosition(wxLongLong where); |
| 85 | virtual wxLongLong GetPosition(); |
| 86 | virtual wxLongLong GetDuration(); |
| 87 | |
| 88 | virtual void Move(int x, int y, int w, int h); |
| 89 | wxSize GetVideoSize() const; |
| 90 | |
| 91 | virtual double GetPlaybackRate(); |
| 92 | virtual bool SetPlaybackRate(double dRate); |
| 93 | |
| 94 | void Cleanup(); |
| 95 | void FinishLoad(); |
| 96 | |
| 97 | wxSize m_bestSize; //Original movie size |
| 98 | Movie m_movie; //QT Movie handle/instance |
| 99 | NSMovieView* m_movieview; //NSMovieView instance |
| 100 | wxControl* m_ctrl; //Parent control |
| 101 | bool m_bVideo; //Whether or not we have video |
| 102 | class _wxQTTimer* m_timer; //Timer for streaming the movie |
| 103 | |
| 104 | DECLARE_DYNAMIC_CLASS(wxQTMediaBackend); |
| 105 | }; |
| 106 | |
| 107 | |
| 108 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 109 | // |
| 110 | // wxQTMediaBackend |
| 111 | // |
| 112 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 113 | |
| 114 | IMPLEMENT_DYNAMIC_CLASS(wxQTMediaBackend, wxMediaBackend); |
| 115 | |
| 116 | //Time between timer calls |
| 117 | #define MOVIE_DELAY 100 |
| 118 | |
| 119 | // -------------------------------------------------------------------------- |
| 120 | // wxQTTimer - Handle Asyncronous Playing |
| 121 | // -------------------------------------------------------------------------- |
| 122 | class _wxQTTimer : public wxTimer |
| 123 | { |
| 124 | public: |
| 125 | _wxQTTimer(Movie movie, wxQTMediaBackend* parent) : |
| 126 | m_movie(movie), m_bPaused(false), m_parent(parent) |
| 127 | { |
| 128 | } |
| 129 | |
| 130 | ~_wxQTTimer() |
| 131 | { |
| 132 | } |
| 133 | |
| 134 | bool GetPaused() {return m_bPaused;} |
| 135 | void SetPaused(bool bPaused) {m_bPaused = bPaused;} |
| 136 | |
| 137 | //----------------------------------------------------------------------- |
| 138 | // _wxQTTimer::Notify |
| 139 | // |
| 140 | // 1) Checks to see if the movie is done, and if not continues |
| 141 | // streaming the movie |
| 142 | // 2) Sends the wxEVT_MEDIA_STOP event if we have reached the end of |
| 143 | // the movie. |
| 144 | //----------------------------------------------------------------------- |
| 145 | void Notify() |
| 146 | { |
| 147 | if (!m_bPaused) |
| 148 | { |
| 149 | if(!IsMovieDone(m_movie)) |
| 150 | MoviesTask(m_movie, MOVIE_DELAY); |
| 151 | else |
| 152 | { |
| 153 | wxMediaEvent theEvent(wxEVT_MEDIA_STOP, |
| 154 | m_parent->m_ctrl->GetId()); |
| 155 | m_parent->m_ctrl->ProcessEvent(theEvent); |
| 156 | |
| 157 | if(theEvent.IsAllowed()) |
| 158 | { |
| 159 | Stop(); |
| 160 | m_parent->Stop(); |
| 161 | wxASSERT(::GetMoviesError() == noErr); |
| 162 | |
| 163 | //send the event to our child |
| 164 | wxMediaEvent theEvent(wxEVT_MEDIA_FINISHED, |
| 165 | m_parent->m_ctrl->GetId()); |
| 166 | m_parent->m_ctrl->ProcessEvent(theEvent); |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | protected: |
| 173 | Movie m_movie; //Our movie instance |
| 174 | bool m_bPaused; //Whether we are paused or not |
| 175 | wxQTMediaBackend* m_parent; //Backend pointer |
| 176 | }; |
| 177 | |
| 178 | //--------------------------------------------------------------------------- |
| 179 | // wxQTMediaBackend Constructor |
| 180 | // |
| 181 | // Sets m_timer to NULL signifying we havn't loaded anything yet |
| 182 | //--------------------------------------------------------------------------- |
| 183 | wxQTMediaBackend::wxQTMediaBackend() : m_timer(NULL) |
| 184 | { |
| 185 | } |
| 186 | |
| 187 | //--------------------------------------------------------------------------- |
| 188 | // wxQTMediaBackend Destructor |
| 189 | // |
| 190 | // 1) Cleans up the QuickTime movie instance |
| 191 | // 2) Decrements the QuickTime reference counter - if this reaches |
| 192 | // 0, QuickTime shuts down |
| 193 | // 3) Decrements the QuickTime Windows Media Layer reference counter - |
| 194 | // if this reaches 0, QuickTime shuts down the Windows Media Layer |
| 195 | //--------------------------------------------------------------------------- |
| 196 | wxQTMediaBackend::~wxQTMediaBackend() |
| 197 | { |
| 198 | if(m_timer) |
| 199 | Cleanup(); |
| 200 | |
| 201 | //Note that ExitMovies() is not necessary... |
| 202 | ExitMovies(); |
| 203 | } |
| 204 | |
| 205 | //--------------------------------------------------------------------------- |
| 206 | // wxQTMediaBackend::CreateControl |
| 207 | // |
| 208 | // 1) Intializes QuickTime |
| 209 | // 2) Creates the control window |
| 210 | //--------------------------------------------------------------------------- |
| 211 | bool wxQTMediaBackend::CreateControl(wxControl* inctrl, wxWindow* parent, |
| 212 | wxWindowID wid, |
| 213 | const wxPoint& pos, |
| 214 | const wxSize& size, |
| 215 | long style, |
| 216 | const wxValidator& validator, |
| 217 | const wxString& name) |
| 218 | { |
| 219 | EnterMovies(); |
| 220 | |
| 221 | wxMediaCtrl* ctrl = (wxMediaCtrl*) inctrl; |
| 222 | |
| 223 | //Create the control base |
| 224 | wxASSERT(ctrl->CreateBase(parent,wid,pos,size,style, validator, name)); |
| 225 | |
| 226 | //Create the NSMovieView |
| 227 | ctrl->SetNSView(NULL); |
| 228 | NSMovieView* theView = [[NSMovieView alloc] initWithFrame: ctrl->MakeDefaultNSRect(size)]; |
| 229 | ctrl->SetNSView(theView); |
| 230 | [theView release]; |
| 231 | |
| 232 | if (parent) |
| 233 | { |
| 234 | parent->AddChild(ctrl); |
| 235 | parent->CocoaAddChild(ctrl); |
| 236 | ctrl->SetInitialFrameRect(pos,size); |
| 237 | } |
| 238 | |
| 239 | [theView showController:false adjustingSize:true]; |
| 240 | m_movieview = theView; |
| 241 | m_ctrl = ctrl; |
| 242 | return true; |
| 243 | } |
| 244 | |
| 245 | //--------------------------------------------------------------------------- |
| 246 | // wxQTMediaBackend::Load (file version) |
| 247 | // |
| 248 | // Calls the URI version |
| 249 | //--------------------------------------------------------------------------- |
| 250 | bool wxQTMediaBackend::Load(const wxString& fileName) |
| 251 | { |
| 252 | return Load( |
| 253 | wxURI( |
| 254 | wxString( wxT("file://") ) + fileName |
| 255 | ) |
| 256 | ); |
| 257 | } |
| 258 | |
| 259 | //--------------------------------------------------------------------------- |
| 260 | // wxQTMediaBackend::Load (URL Version) |
| 261 | // |
| 262 | // 1) Build an escaped URI from location |
| 263 | // ... |
| 264 | //--------------------------------------------------------------------------- |
| 265 | bool wxQTMediaBackend::Load(const wxURI& location) |
| 266 | { |
| 267 | if(m_timer) |
| 268 | Cleanup(); |
| 269 | |
| 270 | wxString theURI = location.BuildURI(); |
| 271 | |
| 272 | [m_movieview setMovie:[[NSMovie alloc] initWithURL: [NSURL URLWithString: wxNSStringWithWxString(theURI)] |
| 273 | byReference: YES ] ]; |
| 274 | |
| 275 | m_movie = (Movie) [[m_movieview movie] QTMovie]; |
| 276 | |
| 277 | //preroll movie for streaming |
| 278 | //TODO:Async this using threads? |
| 279 | TimeValue timeNow; |
| 280 | Fixed playRate; |
| 281 | timeNow = GetMovieTime(m_movie, NULL); |
| 282 | playRate = GetMoviePreferredRate(m_movie); |
| 283 | PrePrerollMovie(m_movie, timeNow, playRate, NULL, NULL); |
| 284 | PrerollMovie(m_movie, timeNow, playRate); |
| 285 | SetMovieRate(m_movie, playRate); |
| 286 | |
| 287 | FinishLoad(); |
| 288 | |
| 289 | return ::GetMoviesError() == noErr; |
| 290 | } |
| 291 | |
| 292 | //--------------------------------------------------------------------------- |
| 293 | // wxQTMediaBackend::FinishLoad |
| 294 | // |
| 295 | // 1) Create the movie timer |
| 296 | // 2) Get real size of movie for GetBestSize/sizers |
| 297 | // 3) See if there is video in the movie, and if so then either |
| 298 | // SetMovieGWorld if < 10.2 or use Native CreateMovieControl |
| 299 | // 4) Set the movie time scale to something usable so that seeking |
| 300 | // etc. will work correctly |
| 301 | // 5) Refresh parent window |
| 302 | //--------------------------------------------------------------------------- |
| 303 | void wxQTMediaBackend::FinishLoad() |
| 304 | { |
| 305 | m_timer = new _wxQTTimer(m_movie, (wxQTMediaBackend*) this); |
| 306 | wxASSERT(m_timer); |
| 307 | |
| 308 | //get the real size of the movie |
| 309 | Rect outRect; |
| 310 | ::GetMovieNaturalBoundsRect (m_movie, &outRect); |
| 311 | wxASSERT(::GetMoviesError() == noErr); |
| 312 | |
| 313 | m_bestSize.x = outRect.right - outRect.left; |
| 314 | m_bestSize.y = outRect.bottom - outRect.top; |
| 315 | |
| 316 | //we want millisecond precision |
| 317 | ::SetMovieTimeScale(m_movie, 1000); |
| 318 | wxASSERT(::GetMoviesError() == noErr); |
| 319 | |
| 320 | // |
| 321 | //Here, if the parent of the control has a sizer - we |
| 322 | //tell it to recalculate the size of this control since |
| 323 | //the user opened a separate media file |
| 324 | // |
| 325 | m_ctrl->InvalidateBestSize(); |
| 326 | m_ctrl->GetParent()->Layout(); |
| 327 | m_ctrl->GetParent()->Refresh(); |
| 328 | m_ctrl->GetParent()->Update(); |
| 329 | } |
| 330 | |
| 331 | //--------------------------------------------------------------------------- |
| 332 | // wxQTMediaBackend::Play |
| 333 | // |
| 334 | // 1) Start the QT movie |
| 335 | // 2) Start the movie loading timer |
| 336 | //--------------------------------------------------------------------------- |
| 337 | bool wxQTMediaBackend::Play() |
| 338 | { |
| 339 | ::StartMovie(m_movie); |
| 340 | m_timer->SetPaused(false); |
| 341 | m_timer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS); |
| 342 | return ::GetMoviesError() == noErr; |
| 343 | } |
| 344 | |
| 345 | //--------------------------------------------------------------------------- |
| 346 | // wxQTMediaBackend::Pause |
| 347 | // |
| 348 | // 1) Stop the movie |
| 349 | // 2) Stop the movie timer |
| 350 | //--------------------------------------------------------------------------- |
| 351 | bool wxQTMediaBackend::Pause() |
| 352 | { |
| 353 | ::StopMovie(m_movie); |
| 354 | m_timer->SetPaused(true); |
| 355 | m_timer->Stop(); |
| 356 | return ::GetMoviesError() == noErr; |
| 357 | } |
| 358 | |
| 359 | //--------------------------------------------------------------------------- |
| 360 | // wxQTMediaBackend::Stop |
| 361 | // |
| 362 | // 1) Stop the movie |
| 363 | // 2) Stop the movie timer |
| 364 | // 3) Seek to the beginning of the movie |
| 365 | //--------------------------------------------------------------------------- |
| 366 | bool wxQTMediaBackend::Stop() |
| 367 | { |
| 368 | m_timer->SetPaused(false); |
| 369 | m_timer->Stop(); |
| 370 | |
| 371 | ::StopMovie(m_movie); |
| 372 | if(::GetMoviesError() != noErr) |
| 373 | return false; |
| 374 | |
| 375 | ::GoToBeginningOfMovie(m_movie); |
| 376 | return ::GetMoviesError() == noErr; |
| 377 | } |
| 378 | |
| 379 | //--------------------------------------------------------------------------- |
| 380 | // wxQTMediaBackend::GetPlaybackRate |
| 381 | // |
| 382 | // 1) Get the movie playback rate from ::GetMovieRate |
| 383 | //--------------------------------------------------------------------------- |
| 384 | double wxQTMediaBackend::GetPlaybackRate() |
| 385 | { |
| 386 | return ( ((double)::GetMovieRate(m_movie)) / 0x10000); |
| 387 | } |
| 388 | |
| 389 | //--------------------------------------------------------------------------- |
| 390 | // wxQTMediaBackend::SetPlaybackRate |
| 391 | // |
| 392 | // 1) Convert dRate to Fixed and Set the movie rate through SetMovieRate |
| 393 | //--------------------------------------------------------------------------- |
| 394 | bool wxQTMediaBackend::SetPlaybackRate(double dRate) |
| 395 | { |
| 396 | ::SetMovieRate(m_movie, (Fixed) (dRate * 0x10000)); |
| 397 | return ::GetMoviesError() == noErr; |
| 398 | } |
| 399 | |
| 400 | //--------------------------------------------------------------------------- |
| 401 | // wxQTMediaBackend::SetPosition |
| 402 | // |
| 403 | // 1) Create a time record struct (TimeRecord) with appropriate values |
| 404 | // 2) Pass struct to SetMovieTime |
| 405 | //--------------------------------------------------------------------------- |
| 406 | bool wxQTMediaBackend::SetPosition(wxLongLong where) |
| 407 | { |
| 408 | TimeRecord theTimeRecord; |
| 409 | memset(&theTimeRecord, 0, sizeof(TimeRecord)); |
| 410 | theTimeRecord.value.lo = where.GetValue(); |
| 411 | theTimeRecord.scale = ::GetMovieTimeScale(m_movie); |
| 412 | theTimeRecord.base = ::GetMovieTimeBase(m_movie); |
| 413 | ::SetMovieTime(m_movie, &theTimeRecord); |
| 414 | |
| 415 | if (::GetMoviesError() != noErr) |
| 416 | return false; |
| 417 | |
| 418 | return true; |
| 419 | } |
| 420 | |
| 421 | //--------------------------------------------------------------------------- |
| 422 | // wxQTMediaBackend::GetPosition |
| 423 | // |
| 424 | // Calls GetMovieTime |
| 425 | //--------------------------------------------------------------------------- |
| 426 | wxLongLong wxQTMediaBackend::GetPosition() |
| 427 | { |
| 428 | return ::GetMovieTime(m_movie, NULL); |
| 429 | } |
| 430 | |
| 431 | //--------------------------------------------------------------------------- |
| 432 | // wxQTMediaBackend::GetDuration |
| 433 | // |
| 434 | // Calls GetMovieDuration |
| 435 | //--------------------------------------------------------------------------- |
| 436 | wxLongLong wxQTMediaBackend::GetDuration() |
| 437 | { |
| 438 | return ::GetMovieDuration(m_movie); |
| 439 | } |
| 440 | |
| 441 | //--------------------------------------------------------------------------- |
| 442 | // wxQTMediaBackend::GetState |
| 443 | // |
| 444 | // Determines the current state - the timer keeps track of whether or not |
| 445 | // we are paused or stopped (if the timer is running we are playing) |
| 446 | //--------------------------------------------------------------------------- |
| 447 | wxMediaState wxQTMediaBackend::GetState() |
| 448 | { |
| 449 | if ( !m_timer || (m_timer->IsRunning() == false && |
| 450 | m_timer->GetPaused() == false) ) |
| 451 | return wxMEDIASTATE_STOPPED; |
| 452 | |
| 453 | if( m_timer->IsRunning() == true ) |
| 454 | return wxMEDIASTATE_PLAYING; |
| 455 | else |
| 456 | return wxMEDIASTATE_PAUSED; |
| 457 | } |
| 458 | |
| 459 | //--------------------------------------------------------------------------- |
| 460 | // wxQTMediaBackend::Cleanup |
| 461 | // |
| 462 | // Diposes of the movie timer, Control if native, and stops and disposes |
| 463 | // of the QT movie |
| 464 | //--------------------------------------------------------------------------- |
| 465 | void wxQTMediaBackend::Cleanup() |
| 466 | { |
| 467 | delete m_timer; |
| 468 | m_timer = NULL; |
| 469 | |
| 470 | [[m_movieview movie] release]; |
| 471 | [m_movieview setMovie:NULL]; |
| 472 | } |
| 473 | |
| 474 | //--------------------------------------------------------------------------- |
| 475 | // wxQTMediaBackend::GetVideoSize |
| 476 | // |
| 477 | // Returns the actual size of the QT movie |
| 478 | //--------------------------------------------------------------------------- |
| 479 | wxSize wxQTMediaBackend::GetVideoSize() const |
| 480 | { |
| 481 | return m_bestSize; |
| 482 | } |
| 483 | |
| 484 | //--------------------------------------------------------------------------- |
| 485 | // wxQTMediaBackend::Move |
| 486 | // |
| 487 | // Nothin... cocoa takes care of this for us |
| 488 | //--------------------------------------------------------------------------- |
| 489 | void wxQTMediaBackend::Move(int x, int y, int w, int h) |
| 490 | { |
| 491 | } |
| 492 | |
| 493 | |
| 494 | //in source file that contains stuff you don't directly use |
| 495 | #include "wx/html/forcelnk.h" |
| 496 | FORCE_LINK_ME(basewxmediabackends); |
| 497 | |
| 498 | #endif //wxUSE_MEDIACTRL |