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