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