git.sesse.net Git - vlc/blob - modules/gui/macosx/voutgl.m

   1 /*****************************************************************************
   2  * voutgl.m: MacOS X OpenGL provider
   3  *****************************************************************************
   4  * Copyright (C) 2001-2004, 2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Colin Delacroix <colin@zoy.org>
   8  *          Florian G. Pflug <fgp@phlo.org>
   9  *          Jon Lech Johansen <jon-vl@nanocrew.net>
  10  *          Derk-Jan Hartman <hartman at videolan dot org>
  11  *          Eric Petit <titer@m0k.org>
  12  *          Benjamin Pracht <bigben at videolan dot org>
  13  *          Damien Fouilleul <damienf at videolan dot org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  28  *****************************************************************************/
  29
  30 /*****************************************************************************
  31  * Preamble
  32  *****************************************************************************/
  33 #include <errno.h>                                                 /* ENOMEM */
  34 #include <stdlib.h>                                                /* free() */
  35 #include <string.h>
  36
  37 #include <vlc_keys.h>
  38
  39 #include "intf.h"
  40 #include "vout.h"
  41
  42 #include <OpenGL/OpenGL.h>
  43 #include <OpenGL/gl.h>
  44
  45 #include <AGL/agl.h>
  46
  47 /*****************************************************************************
  48  * VLCGLView interface
  49  *****************************************************************************/
  50 @interface VLCGLView : NSOpenGLView <VLCVoutViewResetting>
  51 {
  52     vout_thread_t * p_vout;
  53 }
  54
  55 + (void)resetVout: (NSValue *) voutValue;
  56 - (id) initWithVout: (vout_thread_t *) p_vout;
  57 @end
  58
  59 struct vout_sys_t
  60 {
  61     NSAutoreleasePool * o_pool;
  62     VLCGLView         * o_glview;
  63     VLCVoutView       * o_vout_view;
  64     bool          b_saved_frame;
  65     NSRect              s_frame;
  66     bool          b_got_frame;
  67     /* Mozilla plugin-related variables */
  68     bool          b_embedded;
  69     AGLContext          agl_ctx;
  70     AGLDrawable         agl_drawable;
  71     int                 i_offx, i_offy;
  72     int                 i_width, i_height;
  73     WindowRef           theWindow;
  74     WindowGroupRef      winGroup;
  75     bool          b_clipped_out;
  76     Rect                clipBounds, viewBounds;
  77 };
  78
  79 /*****************************************************************************
  80  * Local prototypes
  81  *****************************************************************************/
  82
  83 static int  Init   ( vout_thread_t * p_vout );
  84 static void End    ( vout_thread_t * p_vout );
  85 static int  Manage ( vout_thread_t * p_vout );
  86 static int  Control( vout_thread_t *, int, va_list );
  87 static void Swap   ( vout_thread_t * p_vout );
  88 static int  Lock   ( vout_thread_t * p_vout );
  89 static void Unlock ( vout_thread_t * p_vout );
  90
  91 static int  aglInit   ( vout_thread_t * p_vout );
  92 static void aglEnd    ( vout_thread_t * p_vout );
  93 static int  aglManage ( vout_thread_t * p_vout );
  94 static int  aglControl( vout_thread_t *, int, va_list );
  95 static void aglSwap   ( vout_thread_t * p_vout );
  96 static int  aglLock   ( vout_thread_t * p_vout );
  97 static void aglUnlock ( vout_thread_t * p_vout );
  98
  99 int OpenVideoGL  ( vlc_object_t * p_this )
 100 {
 101     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 102     vlc_value_t value_drawable;
 103
 104     if( !CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay ) )
 105     {
 106         msg_Warn( p_vout, "no OpenGL hardware acceleration found. "
 107                           "Video display might be slow" );
 108     }
 109     msg_Dbg( p_vout, "display is Quartz Extreme accelerated" );
 110
 111     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 112     if( p_vout->p_sys == NULL )
 113     {
 114         msg_Err( p_vout, "out of memory" );
 115         return( 1 );
 116     }
 117
 118     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 119
 120     var_Get( p_vout->p_libvlc, "drawable", &value_drawable );
 121     if( value_drawable.i_int != 0 )
 122     {
 123         static const GLint ATTRIBUTES[] = {
 124             AGL_WINDOW,
 125             AGL_RGBA,
 126             AGL_NO_RECOVERY,
 127             AGL_ACCELERATED,
 128             AGL_DOUBLEBUFFER,
 129             AGL_RED_SIZE,   8,
 130             AGL_GREEN_SIZE, 8,
 131             AGL_BLUE_SIZE,  8,
 132             AGL_ALPHA_SIZE, 8,
 133             AGL_DEPTH_SIZE, 24,
 134             AGL_NONE };
 135
 136         AGLPixelFormat pixFormat;
 137
 138         p_vout->p_sys->b_embedded = true;
 139
 140         pixFormat = aglChoosePixelFormat(NULL, 0, ATTRIBUTES);
 141         if( NULL == pixFormat )
 142         {
 143             msg_Err( p_vout, "no screen renderer available for required attributes." );
 144             return VLC_EGENERIC;
 145         }
 146
 147         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 148         aglDestroyPixelFormat(pixFormat);
 149         if( NULL == p_vout->p_sys->agl_ctx )
 150         {
 151             msg_Err( p_vout, "cannot create AGL context." );
 152             return VLC_EGENERIC;
 153         }
 154         else {
 155             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 156             GLint param = 0;
 157             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 158             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 159         }
 160
 161         p_vout->pf_init             = aglInit;
 162         p_vout->pf_end              = aglEnd;
 163         p_vout->pf_manage           = aglManage;
 164         p_vout->pf_control          = aglControl;
 165         p_vout->pf_swap             = aglSwap;
 166         p_vout->pf_lock             = aglLock;
 167         p_vout->pf_unlock           = aglUnlock;
 168     }
 169     else
 170     {
 171         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 172
 173         p_vout->p_sys->b_embedded = false;
 174
 175         [VLCGLView performSelectorOnMainThread:@selector(initVout:) withObject:[NSValue valueWithPointer:p_vout] waitUntilDone:YES];
 176
 177         [o_pool release];
 178
 179         /* Check to see if initVout: was successfull */
 180
 181         if( !p_vout->p_sys->o_vout_view )
 182         {
 183             return VLC_EGENERIC;
 184         }
 185
 186         p_vout->pf_init   = Init;
 187         p_vout->pf_end    = End;
 188         p_vout->pf_manage = Manage;
 189         p_vout->pf_control= Control;
 190         p_vout->pf_swap   = Swap;
 191         p_vout->pf_lock   = Lock;
 192         p_vout->pf_unlock = Unlock;
 193     }
 194     p_vout->p_sys->b_got_frame = false;
 195
 196     return VLC_SUCCESS;
 197 }
 198
 199 void CloseVideoGL ( vlc_object_t * p_this )
 200 {
 201     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 202
 203     msg_Dbg( p_this, "Closing" );
 204
 205     if( p_vout->p_sys->b_embedded )
 206     {
 207         aglDestroyContext(p_vout->p_sys->agl_ctx);
 208     }
 209     else if(VLCIntf && vlc_object_alive (VLCIntf))
 210     {
 211         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 212
 213         /* Close the window */
 214         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 215
 216         [o_pool release];
 217     }
 218     /* Clean up */
 219     free( p_vout->p_sys );
 220 }
 221
 222 static int Init( vout_thread_t * p_vout )
 223 {
 224     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 225     return VLC_SUCCESS;
 226 }
 227
 228 static void End( vout_thread_t * p_vout )
 229 {
 230     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 231 }
 232
 233 static int Manage( vout_thread_t * p_vout )
 234 {
 235     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 236     {
 237         [p_vout->p_sys->o_glview reshape];
 238         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 239     }
 240     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 241     {
 242         [p_vout->p_sys->o_glview reshape];
 243         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 244     }
 245
 246     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 247     {
 248         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 249
 250         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 251
 252         if( p_vout->b_fullscreen )
 253             [p_vout->p_sys->o_vout_view enterFullscreen];
 254         else
 255             [p_vout->p_sys->o_vout_view leaveFullscreen];
 256
 257         [o_pool release];
 258
 259         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 260     }
 261
 262     if( p_vout->p_sys->o_vout_view )
 263         [p_vout->p_sys->o_vout_view manage];
 264     return VLC_SUCCESS;
 265 }
 266
 267 /*****************************************************************************
 268  * Control: control facility for the vout
 269  *****************************************************************************/
 270 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 271 {
 272     bool b_arg;
 273
 274     switch( i_query )
 275     {
 276         case VOUT_SET_STAY_ON_TOP:
 277             b_arg = (bool) va_arg( args, int );
 278             [p_vout->p_sys->o_vout_view setOnTop: b_arg];
 279             return VLC_SUCCESS;
 280
 281         case VOUT_CLOSE:
 282         case VOUT_REPARENT:
 283         default:
 284             return vout_vaControlDefault( p_vout, i_query, args );
 285     }
 286 }
 287
 288 static void Swap( vout_thread_t * p_vout )
 289 {
 290     p_vout->p_sys->b_got_frame = true;
 291     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 292 }
 293
 294 static int Lock( vout_thread_t * p_vout )
 295 {
 296     if( kCGLNoError == CGLLockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]) )
 297     {
 298         [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 299         return 0;
 300     }
 301     return 1;
 302 }
 303
 304 static void Unlock( vout_thread_t * p_vout )
 305 {
 306     CGLUnlockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]);
 307 }
 308
 309 /*****************************************************************************
 310  * VLCGLView implementation
 311  *****************************************************************************/
 312 @implementation VLCGLView
 313 + (void)initVout:(NSValue *)arg
 314 {
 315     vout_thread_t * p_vout = [arg pointerValue];
 316
 317     /* Create the GL view */
 318     p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 319     [p_vout->p_sys->o_glview autorelease];
 320
 321     /* Spawn the window */
 322     id old_vout = p_vout->p_sys->o_vout_view;
 323     p_vout->p_sys->o_vout_view = [[VLCVoutView getVoutView: p_vout
 324                         subView: p_vout->p_sys->o_glview frame: nil] retain];
 325     [old_vout release];
 326 }
 327
 328 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 329 + (void)resetVout:(NSValue *) voutValue
 330 {
 331     vout_thread_t * p_vout = [voutValue pointerValue];
 332     if( p_vout->b_fullscreen )
 333     {
 334         /* Save window size and position */
 335         p_vout->p_sys->s_frame.size =
 336             [p_vout->p_sys->o_vout_view frame].size;
 337         p_vout->p_sys->s_frame.origin =
 338             [[p_vout->p_sys->o_vout_view getWindow ]frame].origin;
 339         p_vout->p_sys->b_saved_frame = true;
 340     }
 341
 342     [p_vout->p_sys->o_vout_view closeVout];
 343
 344 #define o_glview p_vout->p_sys->o_glview
 345     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 346     [o_glview autorelease];
 347
 348     if( p_vout->p_sys->b_saved_frame )
 349     {
 350         id old_vout = p_vout->p_sys->o_vout_view;
 351         p_vout->p_sys->o_vout_view = [[VLCVoutView getVoutView: p_vout
 352                                                       subView: o_glview
 353                                                         frame: &p_vout->p_sys->s_frame] retain];
 354         [old_vout release];
 355     }
 356     else
 357     {
 358         id old_vout = p_vout->p_sys->o_vout_view;
 359         p_vout->p_sys->o_vout_view = [[VLCVoutView getVoutView: p_vout
 360                                                       subView: o_glview frame: nil] retain];
 361         [old_vout release];
 362     }
 363 #undef o_glview
 364 }
 365
 366 - (id) initWithVout: (vout_thread_t *) vout
 367 {
 368     /* Must be called from main thread:
 369      * "The NSView class is generally thread-safe, with a few exceptions. You
 370      * should create, destroy, resize, move, and perform other operations on NSView
 371      * objects only from the main thread of an application. Drawing from secondary
 372      * threads is thread-safe as long as you bracket drawing calls with calls to
 373      * lockFocusIfCanDraw and unlockFocus." Cocoa Thread Safety */
 374
 375     p_vout = vout;
 376
 377     NSOpenGLPixelFormatAttribute attribs[] =
 378     {
 379         NSOpenGLPFADoubleBuffer,
 380         NSOpenGLPFAAccelerated,
 381         NSOpenGLPFANoRecovery,
 382         NSOpenGLPFAColorSize, 24,
 383         NSOpenGLPFAAlphaSize, 8,
 384         NSOpenGLPFADepthSize, 24,
 385         NSOpenGLPFAWindow,
 386         0
 387     };
 388
 389     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 390         initWithAttributes: attribs];
 391
 392     if( !fmt )
 393     {
 394         msg_Warn( p_vout, "could not create OpenGL video output" );
 395         return nil;
 396     }
 397
 398     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 399     [fmt release];
 400
 401     [[self openGLContext] makeCurrentContext];
 402     [[self openGLContext] update];
 403
 404     /* Swap buffers only during the vertical retrace of the monitor.
 405        http://developer.apple.com/documentation/GraphicsImaging/
 406        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 407     GLint params[] = { 1 };
 408     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval, params );
 409     return self;
 410 }
 411
 412 - (BOOL)mouseDownCanMoveWindow
 413 {
 414     return YES;
 415 }
 416
 417 - (void) reshape
 418 {
 419     int x, y;
 420     vlc_value_t val;
 421
 422     Lock( p_vout );
 423     NSRect bounds = [self bounds];
 424
 425     var_Get( p_vout, "macosx-stretch", &val );
 426     if( val.b_bool )
 427     {
 428         x = bounds.size.width;
 429         y = bounds.size.height;
 430     }
 431     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 432              p_vout->fmt_in.i_sar_num <
 433              bounds.size.width * p_vout->fmt_in.i_visible_height *
 434              p_vout->fmt_in.i_sar_den )
 435     {
 436         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 437               p_vout->fmt_in.i_sar_num ) /
 438             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 439
 440         y = bounds.size.height;
 441     }
 442     else
 443     {
 444         x = bounds.size.width;
 445         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 446               p_vout->fmt_in.i_sar_den) /
 447             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 448     }
 449
 450     glViewport( ( bounds.size.width - x ) / 2,
 451                 ( bounds.size.height - y ) / 2, x, y );
 452
 453     [super reshape];
 454
 455     if( p_vout->p_sys->b_got_frame )
 456     {
 457         /* Ask the opengl module to redraw */
 458         vout_thread_t * p_parent;
 459         p_parent = (vout_thread_t *) p_vout->p_parent;
 460         Unlock( p_vout );
 461         if( p_parent && p_parent->pf_display )
 462         {
 463             p_parent->pf_display( p_parent, NULL );
 464         }
 465     }
 466     else
 467     {
 468         glClear( GL_COLOR_BUFFER_BIT );
 469         Unlock( p_vout );
 470     }
 471 }
 472
 473 - (void) update
 474 {
 475     Lock( p_vout );
 476     [super update];
 477     Unlock( p_vout );
 478 }
 479
 480 - (void) drawRect: (NSRect) rect
 481 {
 482     Lock( p_vout );
 483     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 484     [super drawRect:rect];
 485     Unlock( p_vout );
 486 }
 487
 488 @end
 489
 490 /*****************************************************************************
 491  * embedded AGL context implementation
 492  *****************************************************************************/
 493
 494 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 495 static void aglReshape( vout_thread_t * p_vout );
 496 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 497
 498 static int aglInit( vout_thread_t * p_vout )
 499 {
 500     vlc_value_t val;
 501
 502     Rect viewBounds;
 503     Rect clipBounds;
 504
 505     var_Get( p_vout->p_libvlc, "drawable", &val );
 506     p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 507     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 508
 509     var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 510     viewBounds.top = val.i_int;
 511     var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 512     viewBounds.left = val.i_int;
 513     var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 514     viewBounds.bottom = val.i_int;
 515     var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 516     viewBounds.right = val.i_int;
 517     var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 518     clipBounds.top = val.i_int;
 519     var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 520     clipBounds.left = val.i_int;
 521     var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 522     clipBounds.bottom = val.i_int;
 523     var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 524     clipBounds.right = val.i_int;
 525
 526     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 527                                  || (clipBounds.left == clipBounds.right);
 528     if( ! p_vout->p_sys->b_clipped_out )
 529     {
 530         aglLock(p_vout);
 531         aglSetViewport(p_vout, viewBounds, clipBounds);
 532         aglReshape(p_vout);
 533         aglUnlock(p_vout);
 534     }
 535     p_vout->p_sys->clipBounds = clipBounds;
 536     p_vout->p_sys->viewBounds = viewBounds;
 537
 538     return VLC_SUCCESS;
 539 }
 540
 541 static void aglEnd( vout_thread_t * p_vout )
 542 {
 543     aglSetCurrentContext(NULL);
 544     if( p_vout->p_sys->theWindow ) DisposeWindow( p_vout->p_sys->theWindow );
 545 }
 546
 547 static void aglReshape( vout_thread_t * p_vout )
 548 {
 549     unsigned int x, y;
 550     unsigned int i_height = p_vout->p_sys->i_height;
 551     unsigned int i_width  = p_vout->p_sys->i_width;
 552
 553     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 554
 555     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 556
 557     if( p_vout->p_sys->b_got_frame )
 558     {
 559         /* Ask the opengl module to redraw */
 560         vout_thread_t * p_parent;
 561         p_parent = (vout_thread_t *) p_vout->p_parent;
 562         if( p_parent && p_parent->pf_display )
 563         {
 564             p_parent->pf_display( p_parent, NULL );
 565         }
 566     }
 567     else
 568     {
 569         glClear( GL_COLOR_BUFFER_BIT );
 570     }
 571 }
 572
 573 /* private event class */
 574 enum
 575 {
 576     kEventClassVLCPlugin = 'vlcp',
 577 };
 578 /* private event kinds */
 579 enum
 580 {
 581     kEventVLCPluginShowFullscreen = 32768,
 582     kEventVLCPluginHideFullscreen,
 583 };
 584
 585 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 586 {
 587     EventRef myEvent;
 588     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 589     {
 590         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 591         {
 592             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 593         }
 594         ReleaseEvent(myEvent);
 595     }
 596 }
 597
 598 static int aglManage( vout_thread_t * p_vout )
 599 {
 600     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 601     {
 602         aglLock( p_vout );
 603         aglReshape(p_vout);
 604         aglUnlock( p_vout );
 605         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 606     }
 607     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 608     {
 609         aglLock( p_vout );
 610         aglReshape(p_vout);
 611         aglUnlock( p_vout );
 612         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 613     }
 614     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 615     {
 616         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 617         aglLock( p_vout );
 618         if( p_vout->b_fullscreen )
 619         {
 620             /* Close the fullscreen window and resume normal drawing */
 621             vlc_value_t val;
 622             Rect viewBounds;
 623             Rect clipBounds;
 624
 625             var_Get( p_vout->p_libvlc, "drawable", &val );
 626             p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 627             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 628
 629             var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 630             viewBounds.top = val.i_int;
 631             var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 632             viewBounds.left = val.i_int;
 633             var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 634             viewBounds.bottom = val.i_int;
 635             var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 636             viewBounds.right = val.i_int;
 637             var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 638             clipBounds.top = val.i_int;
 639             var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 640             clipBounds.left = val.i_int;
 641             var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 642             clipBounds.bottom = val.i_int;
 643             var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 644             clipBounds.right = val.i_int;
 645
 646             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 647             aglSetViewport(p_vout, viewBounds, clipBounds);
 648
 649             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 650             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 651         }
 652         else
 653         {
 654             Rect deviceRect;
 655
 656             GDHandle deviceHdl = GetMainDevice();
 657             deviceRect = (*deviceHdl)->gdRect;
 658
 659             if( !p_vout->p_sys->theWindow )
 660             {
 661                 /* Create a window */
 662                 WindowAttributes    windowAttrs;
 663
 664                 windowAttrs = kWindowStandardDocumentAttributes
 665                             | kWindowStandardHandlerAttribute
 666                             | kWindowLiveResizeAttribute
 667                             | kWindowNoShadowAttribute;
 668
 669                 windowAttrs &= (~kWindowResizableAttribute);
 670
 671                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 672                 if( !p_vout->p_sys->winGroup )
 673                 {
 674                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 675                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 676                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 677                 }
 678
 679                 // Window title
 680                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 681                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 682                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 683                 CFRelease(titleKey);
 684                 CFRelease(windowTitle);
 685
 686                 //Install event handler
 687                 static const EventTypeSpec win_events[] = {
 688                     { kEventClassMouse, kEventMouseDown },
 689                     { kEventClassMouse, kEventMouseMoved },
 690                     { kEventClassMouse, kEventMouseUp },
 691                     { kEventClassWindow, kEventWindowClosed },
 692                     { kEventClassWindow, kEventWindowBoundsChanged },
 693                     { kEventClassCommand, kEventCommandProcess },
 694                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 695                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 696                 };
 697                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 698             }
 699             else
 700             {
 701                 /* just in case device resolution changed */
 702                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 703             }
 704             glClear( GL_COLOR_BUFFER_BIT );
 705             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 706             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 707             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 708             aglSetViewport(p_vout, deviceRect, deviceRect);
 709             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 710
 711             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 712             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 713         }
 714         aglReshape(p_vout);
 715         aglUnlock( p_vout );
 716         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 717         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 718     }
 719     return VLC_SUCCESS;
 720 }
 721
 722 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 723 {
 724     switch( i_query )
 725     {
 726         case VOUT_SET_VIEWPORT:
 727         {
 728             Rect viewBounds, clipBounds;
 729             viewBounds.top = va_arg( args, int);
 730             viewBounds.left = va_arg( args, int);
 731             viewBounds.bottom = va_arg( args, int);
 732             viewBounds.right = va_arg( args, int);
 733             clipBounds.top = va_arg( args, int);
 734             clipBounds.left = va_arg( args, int);
 735             clipBounds.bottom = va_arg( args, int);
 736             clipBounds.right = va_arg( args, int);
 737
 738             if( !p_vout->b_fullscreen )
 739             {
 740                 /*
 741                 ** check that the clip rect is not empty, as this is used
 742                 ** by Firefox to prevent a plugin from displaying during
 743                 ** a scrolling event. In this case we just prevent buffers
 744                 ** from being swapped and ignore clipping as this is less
 745                 ** disruptive than a GL geometry change
 746                 */
 747
 748                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 749                                              || (clipBounds.left == clipBounds.right);
 750                 if( ! p_vout->p_sys->b_clipped_out )
 751                 {
 752                     /* ignore consecutive viewport update with identical parameters */
 753                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 754                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 755                     {
 756                         aglLock( p_vout );
 757                         aglSetViewport(p_vout, viewBounds, clipBounds);
 758                         aglReshape( p_vout );
 759                         aglUnlock( p_vout );
 760                         p_vout->p_sys->clipBounds = clipBounds;
 761                         p_vout->p_sys->viewBounds = viewBounds;
 762                     }
 763                 }
 764             }
 765             return VLC_SUCCESS;
 766         }
 767
 768         case VOUT_REDRAW_RECT:
 769         {
 770             vout_thread_t * p_parent;
 771             Rect areaBounds;
 772
 773             areaBounds.top = va_arg( args, int);
 774             areaBounds.left = va_arg( args, int);
 775             areaBounds.bottom = va_arg( args, int);
 776             areaBounds.right = va_arg( args, int);
 777
 778             /* Ask the opengl module to redraw */
 779             p_parent = (vout_thread_t *) p_vout->p_parent;
 780             if( p_parent && p_parent->pf_display )
 781             {
 782                 p_parent->pf_display( p_parent, NULL );
 783             }
 784             return VLC_SUCCESS;
 785         }
 786
 787         case VOUT_REPARENT:
 788         {
 789             AGLDrawable drawable = (AGLDrawable)va_arg( args, int);
 790             if( !p_vout->b_fullscreen && drawable != p_vout->p_sys->agl_drawable )
 791             {
 792                 p_vout->p_sys->agl_drawable = drawable;
 793                 aglSetDrawable(p_vout->p_sys->agl_ctx, drawable);
 794             }
 795             return VLC_SUCCESS;
 796         }
 797
 798         default:
 799             return vout_vaControlDefault( p_vout, i_query, args );
 800     }
 801 }
 802
 803 static void aglSwap( vout_thread_t * p_vout )
 804 {
 805     if( ! p_vout->p_sys->b_clipped_out )
 806     {
 807         p_vout->p_sys->b_got_frame = true;
 808         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 809     }
 810     else
 811     {
 812         /* drop frame */
 813         glFlush();
 814     }
 815 }
 816
 817 /* Enter this function with the p_vout locked */
 818 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 819 {
 820     // mozilla plugin provides coordinates based on port bounds
 821     // however AGL coordinates are based on window structure region
 822     // and are vertically flipped
 823     GLint rect[4];
 824     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 825     Rect winBounds, clientBounds;
 826
 827     GetWindowBounds(GetWindowFromPort(port),
 828         kWindowStructureRgn, &winBounds);
 829     GetWindowBounds(GetWindowFromPort(port),
 830         kWindowContentRgn, &clientBounds);
 831
 832     /* update video clipping bounds in drawable */
 833     rect[0] = (clientBounds.left-winBounds.left)
 834             + clipBounds.left;                  // from window left edge
 835     rect[1] = (winBounds.bottom-winBounds.top)
 836             - (clientBounds.top-winBounds.top)
 837             - clipBounds.bottom;                // from window bottom edge
 838     rect[2] = clipBounds.right-clipBounds.left; // width
 839     rect[3] = clipBounds.bottom-clipBounds.top; // height
 840     aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
 841     aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);
 842
 843     /* update video internal bounds in drawable */
 844     p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
 845     p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
 846     p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
 847     p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
 848                             - p_vout->p_sys->i_height;
 849
 850     aglUpdateContext(p_vout->p_sys->agl_ctx);
 851 }
 852
 853 //default window event handler
 854 static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
 855 {
 856     OSStatus result = noErr;
 857     UInt32 class = GetEventClass (event);
 858     UInt32 kind = GetEventKind (event);
 859     vout_thread_t *p_vout = (vout_thread_t *)userData;
 860
 861     result = CallNextEventHandler(nextHandler, event);
 862     if(class == kEventClassCommand)
 863     {
 864         HICommand theHICommand;
 865         GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 866
 867         switch ( theHICommand.commandID )
 868         {
 869             default:
 870                 result = eventNotHandledErr;
 871         }
 872     }
 873     else if(class == kEventClassWindow)
 874     {
 875         WindowRef     window;
 876         Rect          rectPort = {0,0,0,0};
 877
 878         GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);
 879
 880         if(window)
 881         {
 882             GetPortBounds(GetWindowPort(window), &rectPort);
 883         }
 884
 885         switch (kind)
 886         {
 887             case kEventWindowClosed:
 888             case kEventWindowZoomed:
 889             case kEventWindowBoundsChanged:
 890                 break;
 891
 892             default:
 893                 result = eventNotHandledErr;
 894         }
 895     }
 896     else if(class == kEventClassMouse)
 897     {
 898         switch (kind)
 899         {
 900             case kEventMouseDown:
 901             {
 902                 UInt16     button;
 903
 904                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 905                 switch (button)
 906                 {
 907                     case kEventMouseButtonPrimary:
 908                     {
 909                         vlc_value_t val;
 910
 911                         var_Get( p_vout, "mouse-button-down", &val );
 912                         val.i_int |= 1;
 913                         var_Set( p_vout, "mouse-button-down", val );
 914                         break;
 915                     }
 916                     case kEventMouseButtonSecondary:
 917                     {
 918                         vlc_value_t val;
 919
 920                         var_Get( p_vout, "mouse-button-down", &val );
 921                         val.i_int |= 2;
 922                         var_Set( p_vout, "mouse-button-down", val );
 923                         break;
 924                     }
 925                     case kEventMouseButtonTertiary:
 926                     {
 927                         vlc_value_t val;
 928
 929                         var_Get( p_vout, "mouse-button-down", &val );
 930                         val.i_int |= 4;
 931                         var_Set( p_vout, "mouse-button-down", val );
 932                         break;
 933                     }
 934                     default:
 935                         result = eventNotHandledErr;
 936                 }
 937                 break;
 938             }
 939
 940             case kEventMouseUp:
 941             {
 942                 UInt16     button;
 943
 944                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 945                 switch (button)
 946                 {
 947                     case kEventMouseButtonPrimary:
 948                     {
 949                         UInt32 clickCount = 0;
 950                         GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
 951                         if( clickCount > 1 )
 952                         {
 953                             vlc_value_t val;
 954
 955                             val.b_bool = false;
 956                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 957                         }
 958                         else
 959                         {
 960                             vlc_value_t val;
 961
 962                             val.b_bool = true;
 963                             var_Set( p_vout, "mouse-clicked", val );
 964
 965                             var_Get( p_vout, "mouse-button-down", &val );
 966                             val.i_int &= ~1;
 967                             var_Set( p_vout, "mouse-button-down", val );
 968                         }
 969                         break;
 970                     }
 971                     case kEventMouseButtonSecondary:
 972                     {
 973                         vlc_value_t val;
 974
 975                         var_Get( p_vout, "mouse-button-down", &val );
 976                         val.i_int &= ~2;
 977                         var_Set( p_vout, "mouse-button-down", val );
 978                         break;
 979                     }
 980                     case kEventMouseButtonTertiary:
 981                     {
 982                         vlc_value_t val;
 983
 984                         var_Get( p_vout, "mouse-button-down", &val );
 985                         val.i_int &= ~2;
 986                         var_Set( p_vout, "mouse-button-down", val );
 987                         break;
 988                     }
 989                     default:
 990                         result = eventNotHandledErr;
 991                 }
 992                 break;
 993             }
 994
 995             case kEventMouseMoved:
 996             {
 997                 Point ml;
 998                 vlc_value_t val;
 999
1000                 unsigned int i_x, i_y;
1001                 unsigned int i_height = p_vout->p_sys->i_height;
1002                 unsigned int i_width  = p_vout->p_sys->i_width;
1003
1004                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
1005
1006                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
1007
1008                 val.i_int = ( ((int)ml.h) - i_x ) *
1009                             p_vout->render.i_width / i_width;
1010                 var_Set( p_vout, "mouse-x", val );
1011
1012                 val.i_int = ( ((int)ml.v) - i_y ) *
1013                             p_vout->render.i_height / i_height;
1014
1015                 var_Set( p_vout, "mouse-y", val );
1016
1017                 val.b_bool = true;
1018                 var_Set( p_vout, "mouse-moved", val );
1019
1020                 break;
1021             }
1022
1023             default:
1024                 result = eventNotHandledErr;
1025         }
1026     }
1027     else if(class == kEventClassTextInput)
1028     {
1029         switch (kind)
1030         {
1031             case kEventTextInputUnicodeForKeyEvent:
1032             {
1033                 break;
1034             }
1035             default:
1036                 result = eventNotHandledErr;
1037         }
1038     }
1039     else if(class == kEventClassVLCPlugin)
1040     {
1041         switch (kind)
1042         {
1043             case kEventVLCPluginShowFullscreen:
1044                 ShowWindow (p_vout->p_sys->theWindow);
1045                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1046                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1047                 break;
1048             case kEventVLCPluginHideFullscreen:
1049                 HideWindow (p_vout->p_sys->theWindow);
1050                 SetSystemUIMode( kUIModeNormal, 0);
1051                 CGDisplayShowCursor(kCGDirectMainDisplay);
1052                 break;
1053             default:
1054                 result = eventNotHandledErr;
1055                 break;
1056         }
1057     }
1058     return result;
1059 }
1060
1061 static int aglLock( vout_thread_t * p_vout )
1062 {
1063         /* get the underlying CGL context */
1064     CGLContextObj cglContext;
1065     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1066     {
1067         if( kCGLNoError == CGLLockContext( cglContext ) )
1068         {
1069             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1070             return 0;
1071         }
1072     }
1073     return 1;
1074 }
1075
1076 static void aglUnlock( vout_thread_t * p_vout )
1077 {
1078         /* get the underlying CGL context */
1079     CGLContextObj cglContext;
1080     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1081     {
1082         CGLUnlockContext( cglContext );
1083     }
1084 }
1085
1086