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, 2007-2009 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     VLCGLView         * o_glview;
  62     VLCVoutView       * o_vout_view;
  63     bool                b_saved_frame;
  64     NSRect              s_frame;
  65     bool                b_got_frame;
  66
  67     /* Mozilla plugin-related variables (not 64bit compatible) */
  68     bool                b_embedded;
  69 #ifndef __x86_64__
  70     AGLContext          agl_ctx;
  71     AGLDrawable         agl_drawable;
  72     int                 i_offx, i_offy;
  73     int                 i_width, i_height;
  74     WindowRef           theWindow;
  75     WindowGroupRef      winGroup;
  76     bool                b_clipped_out;
  77     Rect                clipBounds, viewBounds;
  78 #endif
  79 };
  80
  81 /*****************************************************************************
  82  * Local prototypes
  83  *****************************************************************************/
  84
  85 static int  Init   ( vout_thread_t * p_vout );
  86 static void End    ( vout_thread_t * p_vout );
  87 static int  Manage ( vout_thread_t * p_vout );
  88 static int  Control( vout_thread_t *, int, va_list );
  89 static void Swap   ( vout_thread_t * p_vout );
  90 static int  Lock   ( vout_thread_t * p_vout );
  91 static void Unlock ( vout_thread_t * p_vout );
  92
  93 #ifndef __x86_64__
  94 static int  aglInit   ( vout_thread_t * p_vout );
  95 static void aglEnd    ( vout_thread_t * p_vout );
  96 static int  aglManage ( vout_thread_t * p_vout );
  97 static int  aglControl( vout_thread_t *, int, va_list );
  98 static void aglSwap   ( vout_thread_t * p_vout );
  99 static int  aglLock   ( vout_thread_t * p_vout );
 100 static void aglUnlock ( vout_thread_t * p_vout );
 101 #endif
 102
 103 int OpenVideoGL  ( vlc_object_t * p_this )
 104 {
 105     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 106     vlc_value_t value_drawable;
 107
 108     if( !CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay ) )
 109     {
 110         msg_Warn( p_vout, "no OpenGL hardware acceleration found. "
 111                           "Video display might be slow" );
 112     }
 113     msg_Dbg( p_vout, "display is Quartz Extreme accelerated" );
 114
 115     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 116     if( p_vout->p_sys == NULL )
 117         return VLC_ENOMEM;
 118
 119     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 120
 121 #ifndef __x86_64__
 122     var_Get( p_vout->p_libvlc, "drawable-agl", &value_drawable );
 123     if( value_drawable.i_int != 0 )
 124     {
 125         static const GLint ATTRIBUTES[] = {
 126             AGL_WINDOW,
 127             AGL_RGBA,
 128             AGL_NO_RECOVERY,
 129             AGL_ACCELERATED,
 130             AGL_DOUBLEBUFFER,
 131             AGL_RED_SIZE,   8,
 132             AGL_GREEN_SIZE, 8,
 133             AGL_BLUE_SIZE,  8,
 134             AGL_ALPHA_SIZE, 8,
 135             AGL_DEPTH_SIZE, 24,
 136             AGL_NONE };
 137
 138         AGLPixelFormat pixFormat;
 139
 140         p_vout->p_sys->b_embedded = true;
 141
 142         pixFormat = aglChoosePixelFormat(NULL, 0, ATTRIBUTES);
 143         if( NULL == pixFormat )
 144         {
 145             msg_Err( p_vout, "no screen renderer available for required attributes." );
 146             free( p_vout->p_sys );
 147             return VLC_EGENERIC;
 148         }
 149
 150         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 151         aglDestroyPixelFormat(pixFormat);
 152         if( NULL == p_vout->p_sys->agl_ctx )
 153         {
 154             msg_Err( p_vout, "cannot create AGL context." );
 155             free( p_vout->p_sys );
 156             return VLC_EGENERIC;
 157         }
 158         else
 159         {
 160             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 161             GLint param = 0;
 162             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 163             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 164         }
 165
 166         p_vout->pf_init             = aglInit;
 167         p_vout->pf_end              = aglEnd;
 168         p_vout->pf_manage           = aglManage;
 169         p_vout->pf_control          = aglControl;
 170         p_vout->pf_swap             = aglSwap;
 171         p_vout->pf_lock             = aglLock;
 172         p_vout->pf_unlock           = aglUnlock;
 173     }
 174     else
 175     {
 176 #endif
 177         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 178
 179         p_vout->p_sys->b_embedded = false;
 180
 181         [VLCGLView performSelectorOnMainThread:@selector(initVout:) withObject:[NSValue valueWithPointer:p_vout] waitUntilDone:YES];
 182
 183         [o_pool release];
 184
 185         /* Check to see if initVout: was successfull */
 186         if( !p_vout->p_sys->o_vout_view )
 187         {
 188             free( p_vout->p_sys );
 189             return VLC_EGENERIC;
 190         }
 191
 192         p_vout->pf_init   = Init;
 193         p_vout->pf_end    = End;
 194         p_vout->pf_manage = Manage;
 195         p_vout->pf_control= Control;
 196         p_vout->pf_swap   = Swap;
 197         p_vout->pf_lock   = Lock;
 198         p_vout->pf_unlock = Unlock;
 199 #ifndef __x86_64__
 200     }
 201 #endif
 202     p_vout->p_sys->b_got_frame = false;
 203
 204     return VLC_SUCCESS;
 205 }
 206
 207 void CloseVideoGL ( vlc_object_t * p_this )
 208 {
 209     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 210
 211     msg_Dbg( p_this, "Closing" );
 212
 213 #ifndef __x86_64__
 214     if( p_vout->p_sys->b_embedded )
 215     {
 216         if( p_vout->p_sys->agl_ctx )
 217         {
 218             aglEnd( p_vout );
 219             aglDestroyContext(p_vout->p_sys->agl_ctx);
 220         }
 221     }
 222     else if(VLCIntf && vlc_object_alive (VLCIntf))
 223     {
 224         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 225
 226         /* Close the window */
 227         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 228
 229         [o_pool release];
 230     }
 231 #else
 232         if(VLCIntf && vlc_object_alive (VLCIntf))
 233     {
 234         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 235
 236         /* Close the window */
 237         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 238
 239         [o_pool release];
 240     }
 241 #endif
 242     /* Clean up */
 243     free( p_vout->p_sys );
 244 }
 245
 246 static int Init( vout_thread_t * p_vout )
 247 {
 248     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 249     return VLC_SUCCESS;
 250 }
 251
 252 static void End( vout_thread_t * p_vout )
 253 {
 254     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 255 }
 256
 257 static int Manage( vout_thread_t * p_vout )
 258 {
 259     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 260     {
 261         [p_vout->p_sys->o_glview reshape];
 262         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 263     }
 264     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 265     {
 266         [p_vout->p_sys->o_glview reshape];
 267         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 268     }
 269
 270     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 271     {
 272         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 273
 274         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 275
 276         if( p_vout->b_fullscreen )
 277             [p_vout->p_sys->o_vout_view enterFullscreen];
 278         else
 279             [p_vout->p_sys->o_vout_view leaveFullscreen];
 280
 281         [o_pool release];
 282
 283         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 284     }
 285
 286     if( p_vout->p_sys->o_vout_view )
 287         [p_vout->p_sys->o_vout_view manage];
 288     return VLC_SUCCESS;
 289 }
 290
 291 /*****************************************************************************
 292  * Control: control facility for the vout
 293  *****************************************************************************/
 294 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 295 {
 296     bool b_arg;
 297
 298     switch( i_query )
 299     {
 300         case VOUT_SET_STAY_ON_TOP:
 301             b_arg = (bool) va_arg( args, int );
 302             [p_vout->p_sys->o_vout_view setOnTop: b_arg];
 303             return VLC_SUCCESS;
 304
 305         default:
 306             return VLC_EGENERIC;
 307     }
 308 }
 309
 310 static void Swap( vout_thread_t * p_vout )
 311 {
 312     p_vout->p_sys->b_got_frame = true;
 313     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 314 }
 315
 316 static int Lock( vout_thread_t * p_vout )
 317 {
 318     if( kCGLNoError == CGLLockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]) )
 319     {
 320         [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 321         return 0;
 322     }
 323     return 1;
 324 }
 325
 326 static void Unlock( vout_thread_t * p_vout )
 327 {
 328     CGLUnlockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]);
 329 }
 330
 331 /*****************************************************************************
 332  * VLCGLView implementation
 333  *****************************************************************************/
 334 @implementation VLCGLView
 335 + (void)initVout:(NSValue *)arg
 336 {
 337     vout_thread_t * p_vout = [arg pointerValue];
 338
 339     /* Create the GL view */
 340     p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 341     [p_vout->p_sys->o_glview autorelease];
 342
 343     /* Spawn the window */
 344     id old_vout = p_vout->p_sys->o_vout_view;
 345     p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 346                                                 subView: p_vout->p_sys->o_glview frame: nil] retain];
 347     [old_vout release];
 348 }
 349
 350 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 351 + (void)resetVout:(NSValue *) voutValue
 352 {
 353     vout_thread_t * p_vout = [voutValue pointerValue];
 354     if( p_vout->b_fullscreen )
 355     {
 356         /* Save window size and position */
 357         p_vout->p_sys->s_frame.size =
 358             [p_vout->p_sys->o_vout_view frame].size;
 359         p_vout->p_sys->s_frame.origin =
 360             [[p_vout->p_sys->o_vout_view voutWindow]frame].origin;
 361         p_vout->p_sys->b_saved_frame = true;
 362     }
 363
 364     [p_vout->p_sys->o_vout_view closeVout];
 365
 366 #define o_glview p_vout->p_sys->o_glview
 367     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 368     [o_glview autorelease];
 369
 370     if( p_vout->p_sys->b_saved_frame )
 371     {
 372         id old_vout = p_vout->p_sys->o_vout_view;
 373         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 374                                                     subView: o_glview
 375                                                       frame: &p_vout->p_sys->s_frame] retain];
 376         [old_vout release];
 377     }
 378     else
 379     {
 380         id old_vout = p_vout->p_sys->o_vout_view;
 381         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 382                                                     subView: o_glview frame: nil] retain];
 383         [old_vout release];
 384     }
 385 #undef o_glview
 386 }
 387
 388 - (id) initWithVout: (vout_thread_t *) vout
 389 {
 390     /* Must be called from main thread:
 391      * "The NSView class is generally thread-safe, with a few exceptions. You
 392      * should create, destroy, resize, move, and perform other operations on NSView
 393      * objects only from the main thread of an application. Drawing from secondary
 394      * threads is thread-safe as long as you bracket drawing calls with calls to
 395      * lockFocusIfCanDraw and unlockFocus." Cocoa Thread Safety */
 396
 397     p_vout = vout;
 398
 399     NSOpenGLPixelFormatAttribute attribs[] =
 400     {
 401         NSOpenGLPFADoubleBuffer,
 402         NSOpenGLPFAAccelerated,
 403         NSOpenGLPFANoRecovery,
 404         NSOpenGLPFAColorSize, 24,
 405         NSOpenGLPFAAlphaSize, 8,
 406         NSOpenGLPFADepthSize, 24,
 407         NSOpenGLPFAWindow,
 408         0
 409     };
 410
 411     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 412         initWithAttributes: attribs];
 413
 414     if( !fmt )
 415     {
 416         msg_Warn( p_vout, "could not create OpenGL video output" );
 417         return nil;
 418     }
 419
 420     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 421     [fmt release];
 422
 423     [[self openGLContext] makeCurrentContext];
 424     [[self openGLContext] update];
 425
 426     /* Swap buffers only during the vertical retrace of the monitor.
 427        http://developer.apple.com/documentation/GraphicsImaging/
 428        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 429     GLint params[] = { 1 };
 430     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval, params );
 431     return self;
 432 }
 433
 434 - (BOOL)mouseDownCanMoveWindow
 435 {
 436     return YES;
 437 }
 438
 439 - (void) reshape
 440 {
 441     int x, y;
 442
 443     Lock( p_vout );
 444     NSRect bounds = [self bounds];
 445
 446     if( var_GetBool( p_vout, "macosx-stretch" ) )
 447     {
 448         x = bounds.size.width;
 449         y = bounds.size.height;
 450     }
 451     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 452              p_vout->fmt_in.i_sar_num <
 453              bounds.size.width * p_vout->fmt_in.i_visible_height *
 454              p_vout->fmt_in.i_sar_den )
 455     {
 456         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 457               p_vout->fmt_in.i_sar_num ) /
 458             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 459
 460         y = bounds.size.height;
 461     }
 462     else
 463     {
 464         x = bounds.size.width;
 465         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 466               p_vout->fmt_in.i_sar_den) /
 467             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 468     }
 469
 470     glViewport( ( bounds.size.width - x ) / 2,
 471                 ( bounds.size.height - y ) / 2, x, y );
 472
 473     [super reshape];
 474
 475     if( p_vout->p_sys->b_got_frame )
 476     {
 477         /* Ask the opengl module to redraw */
 478         vout_thread_t * p_parent;
 479         p_parent = (vout_thread_t *) p_vout->p_parent;
 480         Unlock( p_vout );
 481         if( p_parent && p_parent->pf_display )
 482         {
 483             p_parent->pf_display( p_parent, NULL );
 484         }
 485     }
 486     else
 487     {
 488         glClear( GL_COLOR_BUFFER_BIT );
 489         Unlock( p_vout );
 490     }
 491 }
 492
 493 - (void) update
 494 {
 495     Lock( p_vout );
 496     [super update];
 497     Unlock( p_vout );
 498 }
 499
 500 - (void) drawRect: (NSRect) rect
 501 {
 502     Lock( p_vout );
 503     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 504     [super drawRect:rect];
 505     Unlock( p_vout );
 506 }
 507
 508 @end
 509
 510 /*****************************************************************************
 511  * embedded AGL context implementation
 512  *****************************************************************************/
 513
 514 #ifndef __x86_64__
 515
 516 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 517 static void aglReshape( vout_thread_t * p_vout );
 518 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 519
 520 static int aglInit( vout_thread_t * p_vout )
 521 {
 522     Rect viewBounds;
 523     Rect clipBounds;
 524
 525     p_vout->p_sys->agl_drawable = (AGLDrawable)
 526             var_GetInteger( p_vout->p_libvlc, "drawable-agl" );
 527     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 528
 529     viewBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-view-top" );
 530     viewBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-view-left" );
 531     viewBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-view-bottom" );
 532     viewBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-view-right" );
 533     clipBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-clip-top" );
 534     clipBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-clip-left" );
 535     clipBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-clip-bottom" );
 536     clipBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-clip-right" );
 537
 538     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 539                                  || (clipBounds.left == clipBounds.right);
 540     if( ! p_vout->p_sys->b_clipped_out )
 541     {
 542         aglLock(p_vout);
 543         aglSetViewport(p_vout, viewBounds, clipBounds);
 544         aglReshape(p_vout);
 545         aglUnlock(p_vout);
 546     }
 547     p_vout->p_sys->clipBounds = clipBounds;
 548     p_vout->p_sys->viewBounds = viewBounds;
 549
 550     return VLC_SUCCESS;
 551 }
 552
 553 static void aglEnd( vout_thread_t * p_vout )
 554 {
 555     aglSetCurrentContext(NULL);
 556     if( p_vout->p_sys->theWindow )
 557     {
 558         DisposeWindow( p_vout->p_sys->theWindow );
 559         p_vout->p_sys->theWindow = NULL;
 560     }
 561 }
 562
 563 static void aglReshape( vout_thread_t * p_vout )
 564 {
 565     unsigned int x, y;
 566     unsigned int i_height = p_vout->p_sys->i_height;
 567     unsigned int i_width  = p_vout->p_sys->i_width;
 568
 569     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 570
 571     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 572
 573     if( p_vout->p_sys->b_got_frame )
 574     {
 575         /* Ask the opengl module to redraw */
 576         vout_thread_t * p_parent;
 577         p_parent = (vout_thread_t *) p_vout->p_parent;
 578         if( p_parent && p_parent->pf_display )
 579         {
 580             p_parent->pf_display( p_parent, NULL );
 581         }
 582     }
 583     else
 584     {
 585         glClear( GL_COLOR_BUFFER_BIT );
 586     }
 587 }
 588
 589 /* private event class */
 590 enum
 591 {
 592     kEventClassVLCPlugin = 'vlcp',
 593 };
 594 /* private event kinds */
 595 enum
 596 {
 597     kEventVLCPluginShowFullscreen = 32768,
 598     kEventVLCPluginHideFullscreen,
 599 };
 600
 601 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 602 {
 603     EventRef myEvent;
 604     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 605     {
 606         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 607         {
 608             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 609         }
 610         ReleaseEvent(myEvent);
 611     }
 612 }
 613
 614 static int aglManage( vout_thread_t * p_vout )
 615 {
 616     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 617     {
 618         aglLock( p_vout );
 619         aglReshape(p_vout);
 620         aglUnlock( p_vout );
 621         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 622     }
 623     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 624     {
 625         aglLock( p_vout );
 626         aglReshape(p_vout);
 627         aglUnlock( p_vout );
 628         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 629     }
 630     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 631     {
 632         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 633         aglLock( p_vout );
 634         if( p_vout->b_fullscreen )
 635         {
 636             /* Close the fullscreen window and resume normal drawing */
 637             Rect viewBounds;
 638             Rect clipBounds;
 639
 640             p_vout->p_sys->agl_drawable = (AGLDrawable)
 641                     var_GetInteger( p_vout->p_libvlc, "drawable-agl" );
 642
 643             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 644
 645             viewBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-view-top" );
 646             viewBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-view-left" );
 647             viewBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-view-bottom" );
 648             viewBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-view-right" );
 649             clipBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-clip-top" );
 650             clipBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-clip-left" );
 651             clipBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-clip-bottom" );
 652             clipBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-clip-right" );
 653
 654             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 655             aglSetViewport(p_vout, viewBounds, clipBounds);
 656
 657             if( p_vout->p_sys->theWindow )
 658             {
 659                 /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty
 660                  * update to the main thread */
 661                 sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow),
 662                                       kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 663             }
 664         }
 665         else
 666         {
 667             /* Go into fullscreen */
 668             Rect deviceRect;
 669
 670             GDHandle deviceHdl = GetMainDevice();
 671             deviceRect = (*deviceHdl)->gdRect;
 672
 673             if( !p_vout->p_sys->theWindow )
 674             {
 675                 /* Create a window */
 676                 WindowAttributes windowAttrs;
 677
 678                 windowAttrs = kWindowStandardDocumentAttributes
 679                             | kWindowStandardHandlerAttribute
 680                             | kWindowLiveResizeAttribute
 681                             | kWindowNoShadowAttribute;
 682
 683                 windowAttrs &= (~kWindowResizableAttribute);
 684
 685                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 686                 if( !p_vout->p_sys->winGroup )
 687                 {
 688                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 689                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 690                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 691                 }
 692
 693                 // Window title
 694                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 695                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 696                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 697                 CFRelease(titleKey);
 698                 CFRelease(windowTitle);
 699
 700                 //Install event handler
 701                 static const EventTypeSpec win_events[] = {
 702                     { kEventClassMouse, kEventMouseDown },
 703                     { kEventClassMouse, kEventMouseMoved },
 704                     { kEventClassMouse, kEventMouseUp },
 705                     { kEventClassWindow, kEventWindowClosed },
 706                     { kEventClassWindow, kEventWindowBoundsChanged },
 707                     { kEventClassCommand, kEventCommandProcess },
 708                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 709                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 710                 };
 711                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 712             }
 713             else
 714             {
 715                 /* just in case device resolution changed */
 716                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 717             }
 718             glClear( GL_COLOR_BUFFER_BIT );
 719             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 720             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 721             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 722             aglSetViewport(p_vout, deviceRect, deviceRect);
 723             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 724
 725             if( p_vout->p_sys->theWindow )
 726             {
 727                 /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty
 728                  * update to the main thread */
 729                 sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow),
 730                                       kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 731             }
 732         }
 733         aglReshape(p_vout);
 734         aglUnlock( p_vout );
 735         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 736         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 737     }
 738     return VLC_SUCCESS;
 739 }
 740
 741 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 742 {
 743     switch( i_query )
 744     {
 745         case VOUT_SET_VIEWPORT:
 746         {
 747             Rect viewBounds, clipBounds;
 748             viewBounds.top = va_arg( args, int);
 749             viewBounds.left = va_arg( args, int);
 750             viewBounds.bottom = va_arg( args, int);
 751             viewBounds.right = va_arg( args, int);
 752             clipBounds.top = va_arg( args, int);
 753             clipBounds.left = va_arg( args, int);
 754             clipBounds.bottom = va_arg( args, int);
 755             clipBounds.right = va_arg( args, int);
 756
 757             if( !p_vout->b_fullscreen )
 758             {
 759                 /*
 760                 ** check that the clip rect is not empty, as this is used
 761                 ** by Firefox to prevent a plugin from displaying during
 762                 ** a scrolling event. In this case we just prevent buffers
 763                 ** from being swapped and ignore clipping as this is less
 764                 ** disruptive than a GL geometry change
 765                 */
 766
 767                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 768                                              || (clipBounds.left == clipBounds.right);
 769                 if( ! p_vout->p_sys->b_clipped_out )
 770                 {
 771                     /* ignore consecutive viewport update with identical parameters */
 772                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 773                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 774                     {
 775                         aglLock( p_vout );
 776                         aglSetViewport(p_vout, viewBounds, clipBounds);
 777                         aglReshape( p_vout );
 778                         aglUnlock( p_vout );
 779                         p_vout->p_sys->clipBounds = clipBounds;
 780                         p_vout->p_sys->viewBounds = viewBounds;
 781                     }
 782                 }
 783             }
 784             return VLC_SUCCESS;
 785         }
 786
 787         case VOUT_REDRAW_RECT:
 788         {
 789             vout_thread_t * p_parent;
 790             Rect areaBounds;
 791
 792             areaBounds.top = va_arg( args, int);
 793             areaBounds.left = va_arg( args, int);
 794             areaBounds.bottom = va_arg( args, int);
 795             areaBounds.right = va_arg( args, int);
 796
 797             /* Ask the opengl module to redraw */
 798             p_parent = (vout_thread_t *) p_vout->p_parent;
 799             if( p_parent && p_parent->pf_display )
 800             {
 801                 p_parent->pf_display( p_parent, NULL );
 802             }
 803             return VLC_SUCCESS;
 804         }
 805
 806         default:
 807             return VLC_EGENERIC;
 808     }
 809 }
 810
 811 static void aglSwap( vout_thread_t * p_vout )
 812 {
 813     if( ! p_vout->p_sys->b_clipped_out )
 814     {
 815         p_vout->p_sys->b_got_frame = true;
 816         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 817     }
 818     else
 819     {
 820         /* drop frame */
 821         glFlush();
 822     }
 823 }
 824
 825 /* Enter this function with the p_vout locked */
 826 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 827 {
 828     // mozilla plugin provides coordinates based on port bounds
 829     // however AGL coordinates are based on window structure region
 830     // and are vertically flipped
 831     GLint rect[4];
 832     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 833     Rect winBounds, clientBounds;
 834
 835     GetWindowBounds(GetWindowFromPort(port),
 836         kWindowStructureRgn, &winBounds);
 837     GetWindowBounds(GetWindowFromPort(port),
 838         kWindowContentRgn, &clientBounds);
 839
 840     /* update video clipping bounds in drawable */
 841     rect[0] = (clientBounds.left-winBounds.left)
 842             + clipBounds.left;                  // from window left edge
 843     rect[1] = (winBounds.bottom-winBounds.top)
 844             - (clientBounds.top-winBounds.top)
 845             - clipBounds.bottom;                // from window bottom edge
 846     rect[2] = clipBounds.right-clipBounds.left; // width
 847     rect[3] = clipBounds.bottom-clipBounds.top; // height
 848
 849     aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
 850     aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);
 851
 852     /* update video internal bounds in drawable */
 853     p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
 854     p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
 855     p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
 856     p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
 857                             - p_vout->p_sys->i_height;
 858
 859     aglUpdateContext(p_vout->p_sys->agl_ctx);
 860 }
 861
 862 //default window event handler
 863 static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
 864 {
 865     OSStatus result = noErr;
 866     UInt32 class = GetEventClass (event);
 867     UInt32 kind = GetEventKind (event);
 868     vout_thread_t *p_vout = (vout_thread_t *)userData;
 869
 870     result = CallNextEventHandler(nextHandler, event);
 871     if(class == kEventClassCommand)
 872     {
 873         HICommand theHICommand;
 874         GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 875
 876         switch ( theHICommand.commandID )
 877         {
 878             default:
 879                 result = eventNotHandledErr;
 880         }
 881     }
 882     else if(class == kEventClassWindow)
 883     {
 884         WindowRef     window;
 885         Rect          rectPort = {0,0,0,0};
 886
 887         GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);
 888
 889         if(window)
 890         {
 891             GetPortBounds(GetWindowPort(window), &rectPort);
 892         }
 893
 894         switch (kind)
 895         {
 896             case kEventWindowClosed:
 897             case kEventWindowZoomed:
 898             case kEventWindowBoundsChanged:
 899                 break;
 900
 901             default:
 902                 result = eventNotHandledErr;
 903         }
 904     }
 905     else if(class == kEventClassMouse)
 906     {
 907         switch (kind)
 908         {
 909             case kEventMouseDown:
 910             {
 911                 UInt16     button;
 912
 913                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 914                 switch (button)
 915                 {
 916                     case kEventMouseButtonPrimary:
 917                     {
 918                         vlc_value_t val;
 919
 920                         var_Get( p_vout, "mouse-button-down", &val );
 921                         val.i_int |= 1;
 922                         var_Set( p_vout, "mouse-button-down", val );
 923                         break;
 924                     }
 925                     case kEventMouseButtonSecondary:
 926                     {
 927                         vlc_value_t val;
 928
 929                         var_Get( p_vout, "mouse-button-down", &val );
 930                         val.i_int |= 2;
 931                         var_Set( p_vout, "mouse-button-down", val );
 932                         break;
 933                     }
 934                     case kEventMouseButtonTertiary:
 935                     {
 936                         vlc_value_t val;
 937
 938                         var_Get( p_vout, "mouse-button-down", &val );
 939                         val.i_int |= 4;
 940                         var_Set( p_vout, "mouse-button-down", val );
 941                         break;
 942                     }
 943                     default:
 944                         result = eventNotHandledErr;
 945                 }
 946                 break;
 947             }
 948
 949             case kEventMouseUp:
 950             {
 951                 UInt16     button;
 952
 953                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 954                 switch (button)
 955                 {
 956                     case kEventMouseButtonPrimary:
 957                     {
 958                         UInt32 clickCount = 0;
 959                         GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
 960                         if( clickCount > 1 )
 961                         {
 962                             vlc_value_t val;
 963
 964                             val.b_bool = false;
 965                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 966                         }
 967                         else
 968                         {
 969                             vlc_value_t val;
 970
 971                             var_SetBool( p_vout, "mouse-clicked", true );
 972
 973                             var_Get( p_vout, "mouse-button-down", &val );
 974                             val.i_int &= ~1;
 975                             var_Set( p_vout, "mouse-button-down", val );
 976                         }
 977                         break;
 978                     }
 979                     case kEventMouseButtonSecondary:
 980                     {
 981                         vlc_value_t val;
 982
 983                         var_Get( p_vout, "mouse-button-down", &val );
 984                         val.i_int &= ~2;
 985                         var_Set( p_vout, "mouse-button-down", val );
 986                         break;
 987                     }
 988                     case kEventMouseButtonTertiary:
 989                     {
 990                         vlc_value_t val;
 991
 992                         var_Get( p_vout, "mouse-button-down", &val );
 993                         val.i_int &= ~2;
 994                         var_Set( p_vout, "mouse-button-down", val );
 995                         break;
 996                     }
 997                     default:
 998                         result = eventNotHandledErr;
 999                 }
1000                 break;
1001             }
1002
1003             case kEventMouseMoved:
1004             {
1005                 Point ml;
1006                 vlc_value_t val;
1007
1008                 unsigned int i_x, i_y;
1009                 unsigned int i_height = p_vout->p_sys->i_height;
1010                 unsigned int i_width  = p_vout->p_sys->i_width;
1011
1012                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
1013
1014                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
1015
1016                 val.i_int = ( ((int)ml.h) - i_x ) *
1017                             p_vout->render.i_width / i_width;
1018                 var_Set( p_vout, "mouse-x", val );
1019
1020                 val.i_int = ( ((int)ml.v) - i_y ) *
1021                             p_vout->render.i_height / i_height;
1022
1023                 var_Set( p_vout, "mouse-y", val );
1024
1025                 val.b_bool = true;
1026                 var_Set( p_vout, "mouse-moved", val );
1027
1028                 break;
1029             }
1030
1031             default:
1032                 result = eventNotHandledErr;
1033         }
1034     }
1035     else if(class == kEventClassTextInput)
1036     {
1037         switch (kind)
1038         {
1039             case kEventTextInputUnicodeForKeyEvent:
1040             {
1041                 break;
1042             }
1043             default:
1044                 result = eventNotHandledErr;
1045         }
1046     }
1047     else if(class == kEventClassVLCPlugin)
1048     {
1049         switch (kind)
1050         {
1051             case kEventVLCPluginShowFullscreen:
1052                 ShowWindow (p_vout->p_sys->theWindow);
1053                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1054                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1055                 break;
1056             case kEventVLCPluginHideFullscreen:
1057                 HideWindow (p_vout->p_sys->theWindow);
1058                 SetSystemUIMode( kUIModeNormal, 0);
1059                 CGDisplayShowCursor(kCGDirectMainDisplay);
1060                 break;
1061             default:
1062                 result = eventNotHandledErr;
1063                 break;
1064         }
1065     }
1066     return result;
1067 }
1068
1069 static int aglLock( vout_thread_t * p_vout )
1070 {
1071         /* get the underlying CGL context */
1072     CGLContextObj cglContext;
1073     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1074     {
1075         if( kCGLNoError == CGLLockContext( cglContext ) )
1076         {
1077             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1078             return 0;
1079         }
1080     }
1081     return 1;
1082 }
1083
1084 static void aglUnlock( vout_thread_t * p_vout )
1085 {
1086         /* get the underlying CGL context */
1087     CGLContextObj cglContext;
1088     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1089     {
1090         CGLUnlockContext( cglContext );
1091     }
1092 }
1093
1094 #endif