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