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