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