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