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 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>                                            /* strerror() */
  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: (vout_thread_t *)p_vout;
  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     vlc_bool_t          b_saved_frame;
  65     NSRect              s_frame;
  66     vlc_bool_t          b_got_frame;
  67     /* Mozilla plugin-related variables */
  68     vlc_bool_t          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     vlc_bool_t          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 E_(OpenVideoGL)  ( vlc_object_t * p_this )
 100 {
 101     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 102     vlc_value_t value_drawable;
 103
 104     if( !CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay ) )
 105     {
 106         msg_Warn( p_vout, "no OpenGL hardware acceleration found. "
 107                           "Video display will be slow" );
 108         return( 1 );
 109     }
 110     msg_Dbg( p_vout, "display is Quartz Extreme accelerated" );
 111
 112     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 113     if( p_vout->p_sys == NULL )
 114     {
 115         msg_Err( p_vout, "out of memory" );
 116         return( 1 );
 117     }
 118
 119     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 120
 121     var_Get( p_vout->p_libvlc, "drawable", &value_drawable );
 122     if( value_drawable.i_int != 0 )
 123     {
 124         static const GLint ATTRIBUTES[] = {
 125             AGL_WINDOW,
 126             AGL_RGBA,
 127             AGL_NO_RECOVERY,
 128             AGL_ACCELERATED,
 129             AGL_DOUBLEBUFFER,
 130             AGL_RED_SIZE,   8,
 131             AGL_GREEN_SIZE, 8,
 132             AGL_BLUE_SIZE,  8,
 133             AGL_ALPHA_SIZE, 8,
 134             AGL_DEPTH_SIZE, 24,
 135             AGL_NONE };
 136
 137         AGLPixelFormat pixFormat;
 138
 139         p_vout->p_sys->b_embedded = VLC_TRUE;
 140
 141         pixFormat = aglChoosePixelFormat(NULL, 0, ATTRIBUTES);
 142         if( NULL == pixFormat )
 143         {
 144             msg_Err( p_vout, "no screen renderer available for required attributes." );
 145             return VLC_EGENERIC;
 146         }
 147
 148         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 149         aglDestroyPixelFormat(pixFormat);
 150         if( NULL == p_vout->p_sys->agl_ctx )
 151         {
 152             msg_Err( p_vout, "cannot create AGL context." );
 153             return VLC_EGENERIC;
 154         }
 155         else {
 156             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 157             GLint param = 0;
 158             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 159             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 160         }
 161
 162         p_vout->pf_init             = aglInit;
 163         p_vout->pf_end              = aglEnd;
 164         p_vout->pf_manage           = aglManage;
 165         p_vout->pf_control          = aglControl;
 166         p_vout->pf_swap             = aglSwap;
 167         p_vout->pf_lock             = aglLock;
 168         p_vout->pf_unlock           = aglUnlock;
 169     }
 170     else
 171     {
 172         p_vout->p_sys->b_embedded = VLC_FALSE;
 173
 174         p_vout->p_sys->o_pool = [[NSAutoreleasePool alloc] init];
 175
 176         /* Create the GL view */
 177         p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 178         [p_vout->p_sys->o_glview autorelease];
 179
 180         /* Spawn the window */
 181
 182         if( !(p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
 183                         subView: p_vout->p_sys->o_glview frame: nil]) )
 184         {
 185             return VLC_EGENERIC;
 186         }
 187         p_vout->pf_init   = Init;
 188         p_vout->pf_end    = End;
 189         p_vout->pf_manage = Manage;
 190         p_vout->pf_control= Control;
 191         p_vout->pf_swap   = Swap;
 192         p_vout->pf_lock   = Lock;
 193         p_vout->pf_unlock = Unlock;
 194     }
 195     p_vout->p_sys->b_got_frame = VLC_FALSE;
 196
 197     return VLC_SUCCESS;
 198 }
 199
 200 void E_(CloseVideoGL) ( vlc_object_t * p_this )
 201 {
 202     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 203     if( p_vout->p_sys->b_embedded )
 204     {
 205         aglDestroyContext(p_vout->p_sys->agl_ctx);
 206     }
 207     else if(!VLCIntf->b_die)
 208     {
 209         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 210
 211         /* Close the window */
 212         [p_vout->p_sys->o_vout_view closeVout];
 213
 214         [o_pool release];
 215     }
 216     /* Clean up */
 217     free( p_vout->p_sys );
 218 }
 219
 220 static int Init( vout_thread_t * p_vout )
 221 {
 222     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 223     return VLC_SUCCESS;
 224 }
 225
 226 static void End( vout_thread_t * p_vout )
 227 {
 228     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 229 }
 230
 231 static int Manage( vout_thread_t * p_vout )
 232 {
 233     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 234     {
 235         [p_vout->p_sys->o_glview reshape];
 236         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 237     }
 238     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 239     {
 240         [p_vout->p_sys->o_glview reshape];
 241         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 242     }
 243
 244     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 245     {
 246         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 247
 248         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 249
 250         if( p_vout->b_fullscreen )
 251             [p_vout->p_sys->o_vout_view enterFullscreen];
 252         else
 253             [p_vout->p_sys->o_vout_view leaveFullscreen];
 254
 255         [o_pool release];
 256
 257         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 258     }
 259
 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     vlc_bool_t b_arg;
 270
 271     switch( i_query )
 272     {
 273         case VOUT_SET_STAY_ON_TOP:
 274             b_arg = va_arg( args, vlc_bool_t );
 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 = VLC_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
 311 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 312 + (void)resetVout: (vout_thread_t *)p_vout
 313 {
 314     if( p_vout->b_fullscreen )
 315     {
 316         /* Save window size and position */
 317         p_vout->p_sys->s_frame.size =
 318             [p_vout->p_sys->o_vout_view frame].size;
 319         p_vout->p_sys->s_frame.origin =
 320             [[p_vout->p_sys->o_vout_view getWindow ]frame].origin;
 321         p_vout->p_sys->b_saved_frame = VLC_TRUE;
 322     }
 323
 324     [p_vout->p_sys->o_vout_view closeVout];
 325
 326 #define o_glview p_vout->p_sys->o_glview
 327     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 328     [o_glview autorelease];
 329
 330     if( p_vout->p_sys->b_saved_frame )
 331     {
 332         p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
 333                                                       subView: o_glview
 334                                                         frame: &p_vout->p_sys->s_frame];
 335     }
 336     else
 337     {
 338         p_vout->p_sys->o_vout_view = [VLCVoutView getVoutView: p_vout
 339                                                       subView: o_glview frame: nil];
 340
 341     }
 342 #undef o_glview
 343 }
 344
 345 - (id) initWithVout: (vout_thread_t *) vout
 346 {
 347     p_vout = vout;
 348
 349     NSOpenGLPixelFormatAttribute attribs[] =
 350     {
 351         NSOpenGLPFADoubleBuffer,
 352         NSOpenGLPFAAccelerated,
 353         NSOpenGLPFANoRecovery,
 354         NSOpenGLPFAColorSize, 24,
 355         NSOpenGLPFAAlphaSize, 8,
 356         NSOpenGLPFADepthSize, 24,
 357         NSOpenGLPFAWindow,
 358         0
 359     };
 360
 361     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 362         initWithAttributes: attribs];
 363
 364     if( !fmt )
 365     {
 366         msg_Warn( p_vout, "could not create OpenGL video output" );
 367         return nil;
 368     }
 369
 370     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 371     [fmt release];
 372
 373     [[self openGLContext] makeCurrentContext];
 374     [[self openGLContext] update];
 375
 376     /* Swap buffers only during the vertical retrace of the monitor.
 377        http://developer.apple.com/documentation/GraphicsImaging/
 378        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 379     long params[] = { 1 };
 380     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval,
 381                      params );
 382     return self;
 383 }
 384
 385 - (void) reshape
 386 {
 387     int x, y;
 388     vlc_value_t val;
 389
 390     Lock( p_vout );
 391     NSRect bounds = [self bounds];
 392
 393     var_Get( p_vout, "macosx-stretch", &val );
 394     if( val.b_bool )
 395     {
 396         x = bounds.size.width;
 397         y = bounds.size.height;
 398     }
 399     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 400              p_vout->fmt_in.i_sar_num <
 401              bounds.size.width * p_vout->fmt_in.i_visible_height *
 402              p_vout->fmt_in.i_sar_den )
 403     {
 404         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 405               p_vout->fmt_in.i_sar_num ) /
 406             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 407
 408         y = bounds.size.height;
 409     }
 410     else
 411     {
 412         x = bounds.size.width;
 413         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 414               p_vout->fmt_in.i_sar_den) /
 415             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 416     }
 417
 418     glViewport( ( bounds.size.width - x ) / 2,
 419                 ( bounds.size.height - y ) / 2, x, y );
 420
 421     if( p_vout->p_sys->b_got_frame )
 422     {
 423         /* Ask the opengl module to redraw */
 424         vout_thread_t * p_parent;
 425         p_parent = (vout_thread_t *) p_vout->p_parent;
 426         Unlock( p_vout );
 427         if( p_parent && p_parent->pf_display )
 428         {
 429             p_parent->pf_display( p_parent, NULL );
 430         }
 431     }
 432     else
 433     {
 434         glClear( GL_COLOR_BUFFER_BIT );
 435         Unlock( p_vout );
 436     }
 437     [super reshape];
 438 }
 439
 440 - (void) update
 441 {
 442     Lock( p_vout );
 443     [super update];
 444     Unlock( p_vout );
 445 }
 446
 447 - (void) drawRect: (NSRect) rect
 448 {
 449     Lock( p_vout );
 450     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 451     [super drawRect:rect];
 452     Unlock( p_vout );
 453 }
 454
 455 @end
 456
 457 /*****************************************************************************
 458  * embedded AGL context implementation
 459  *****************************************************************************/
 460
 461 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 462 static void aglReshape( vout_thread_t * p_vout );
 463 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 464
 465 static int aglInit( vout_thread_t * p_vout )
 466 {
 467     vlc_value_t val;
 468
 469     Rect viewBounds;
 470     Rect clipBounds;
 471
 472     var_Get( p_vout->p_libvlc, "drawable", &val );
 473     p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 474     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 475
 476     var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 477     viewBounds.top = val.i_int;
 478     var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 479     viewBounds.left = val.i_int;
 480     var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 481     viewBounds.bottom = val.i_int;
 482     var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 483     viewBounds.right = val.i_int;
 484     var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 485     clipBounds.top = val.i_int;
 486     var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 487     clipBounds.left = val.i_int;
 488     var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 489     clipBounds.bottom = val.i_int;
 490     var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 491     clipBounds.right = val.i_int;
 492
 493     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 494                                  || (clipBounds.left == clipBounds.right);
 495     if( ! p_vout->p_sys->b_clipped_out )
 496     {
 497         aglLock(p_vout);
 498         aglSetViewport(p_vout, viewBounds, clipBounds);
 499         aglReshape(p_vout);
 500         aglUnlock(p_vout);
 501     }
 502     p_vout->p_sys->clipBounds = clipBounds;
 503     p_vout->p_sys->viewBounds = viewBounds;
 504
 505     return VLC_SUCCESS;
 506 }
 507
 508 static void aglEnd( vout_thread_t * p_vout )
 509 {
 510     aglSetCurrentContext(NULL);
 511     if( p_vout->p_sys->theWindow ) DisposeWindow( p_vout->p_sys->theWindow );
 512 }
 513
 514 static void aglReshape( vout_thread_t * p_vout )
 515 {
 516     unsigned int x, y;
 517     unsigned int i_height = p_vout->p_sys->i_height;
 518     unsigned int i_width  = p_vout->p_sys->i_width;
 519
 520     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 521
 522     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 523
 524     if( p_vout->p_sys->b_got_frame )
 525     {
 526         /* Ask the opengl module to redraw */
 527         vout_thread_t * p_parent;
 528         p_parent = (vout_thread_t *) p_vout->p_parent;
 529         if( p_parent && p_parent->pf_display )
 530         {
 531             p_parent->pf_display( p_parent, NULL );
 532         }
 533     }
 534     else
 535     {
 536         glClear( GL_COLOR_BUFFER_BIT );
 537     }
 538 }
 539
 540 /* private event class */
 541 enum
 542 {
 543     kEventClassVLCPlugin = 'vlcp',
 544 };
 545 /* private event kinds */
 546 enum
 547 {
 548     kEventVLCPluginShowFullscreen = 32768,
 549     kEventVLCPluginHideFullscreen,
 550 };
 551
 552 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 553 {
 554     EventRef myEvent;
 555     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 556     {
 557         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 558         {
 559             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 560         }
 561         ReleaseEvent(myEvent);
 562     }
 563 }
 564
 565 static int aglManage( vout_thread_t * p_vout )
 566 {
 567     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 568     {
 569         aglLock( p_vout );
 570         aglReshape(p_vout);
 571         aglUnlock( p_vout );
 572         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 573     }
 574     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 575     {
 576         aglLock( p_vout );
 577         aglReshape(p_vout);
 578         aglUnlock( p_vout );
 579         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 580     }
 581     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 582     {
 583         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 584         aglLock( p_vout );
 585         if( p_vout->b_fullscreen )
 586         {
 587             /* Close the fullscreen window and resume normal drawing */
 588             vlc_value_t val;
 589             Rect viewBounds;
 590             Rect clipBounds;
 591
 592             var_Get( p_vout->p_libvlc, "drawable", &val );
 593             p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 594             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 595
 596             var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 597             viewBounds.top = val.i_int;
 598             var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 599             viewBounds.left = val.i_int;
 600             var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 601             viewBounds.bottom = val.i_int;
 602             var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 603             viewBounds.right = val.i_int;
 604             var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 605             clipBounds.top = val.i_int;
 606             var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 607             clipBounds.left = val.i_int;
 608             var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 609             clipBounds.bottom = val.i_int;
 610             var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 611             clipBounds.right = val.i_int;
 612
 613             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 614             aglSetViewport(p_vout, viewBounds, clipBounds);
 615
 616             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 617             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 618         }
 619         else
 620         {
 621             Rect deviceRect;
 622
 623             GDHandle deviceHdl = GetMainDevice();
 624             deviceRect = (*deviceHdl)->gdRect;
 625
 626             if( !p_vout->p_sys->theWindow )
 627             {
 628                 /* Create a window */
 629                 WindowAttributes    windowAttrs;
 630
 631                 windowAttrs = kWindowStandardDocumentAttributes
 632                             | kWindowStandardHandlerAttribute
 633                             | kWindowLiveResizeAttribute
 634                             | kWindowNoShadowAttribute;
 635
 636                 windowAttrs &= (~kWindowResizableAttribute);
 637
 638                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 639                 if( !p_vout->p_sys->winGroup )
 640                 {
 641                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 642                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 643                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 644                 }
 645
 646                 // Window title
 647                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 648                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 649                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 650                 CFRelease(titleKey);
 651                 CFRelease(windowTitle);
 652
 653                 //Install event handler
 654                 static const EventTypeSpec win_events[] = {
 655                     { kEventClassMouse, kEventMouseDown },
 656                     { kEventClassMouse, kEventMouseMoved },
 657                     { kEventClassMouse, kEventMouseUp },
 658                     { kEventClassWindow, kEventWindowClosed },
 659                     { kEventClassWindow, kEventWindowBoundsChanged },
 660                     { kEventClassCommand, kEventCommandProcess },
 661                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 662                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 663                 };
 664                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 665             }
 666             else
 667             {
 668                 /* just in case device resolution changed */
 669                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 670             }
 671             glClear( GL_COLOR_BUFFER_BIT );
 672             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 673             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 674             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 675             aglSetViewport(p_vout, deviceRect, deviceRect);
 676             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 677
 678             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 679             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 680         }
 681         aglReshape(p_vout);
 682         aglUnlock( p_vout );
 683         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 684         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 685     }
 686     return VLC_SUCCESS;
 687 }
 688
 689 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 690 {
 691     switch( i_query )
 692     {
 693         case VOUT_SET_VIEWPORT:
 694         {
 695             Rect viewBounds, clipBounds;
 696             viewBounds.top = va_arg( args, int);
 697             viewBounds.left = va_arg( args, int);
 698             viewBounds.bottom = va_arg( args, int);
 699             viewBounds.right = va_arg( args, int);
 700             clipBounds.top = va_arg( args, int);
 701             clipBounds.left = va_arg( args, int);
 702             clipBounds.bottom = va_arg( args, int);
 703             clipBounds.right = va_arg( args, int);
 704
 705             if( !p_vout->b_fullscreen )
 706             {
 707                 /*
 708                 ** check that the clip rect is not empty, as this is used
 709                 ** by Firefox to prevent a plugin from displaying during
 710                 ** a scrolling event. In this case we just prevent buffers
 711                 ** from being swapped and ignore clipping as this is less
 712                 ** disruptive than a GL geometry change
 713                 */
 714
 715                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 716                                              || (clipBounds.left == clipBounds.right);
 717                 if( ! p_vout->p_sys->b_clipped_out )
 718                 {
 719                     /* ignore consecutive viewport update with identical parameters */
 720                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 721                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 722                     {
 723                         aglLock( p_vout );
 724                         aglSetViewport(p_vout, viewBounds, clipBounds);
 725                         aglReshape( p_vout );
 726                         aglUnlock( p_vout );
 727                         p_vout->p_sys->clipBounds = clipBounds;
 728                         p_vout->p_sys->viewBounds = viewBounds;
 729                     }
 730                 }
 731             }
 732             return VLC_SUCCESS;
 733         }
 734
 735         case VOUT_REDRAW_RECT:
 736         {
 737             vout_thread_t * p_parent;
 738             Rect areaBounds;
 739
 740             areaBounds.top = va_arg( args, int);
 741             areaBounds.left = va_arg( args, int);
 742             areaBounds.bottom = va_arg( args, int);
 743             areaBounds.right = va_arg( args, int);
 744
 745             /* Ask the opengl module to redraw */
 746             p_parent = (vout_thread_t *) p_vout->p_parent;
 747             if( p_parent && p_parent->pf_display )
 748             {
 749                 p_parent->pf_display( p_parent, NULL );
 750             }
 751             return VLC_SUCCESS;
 752         }
 753
 754         case VOUT_REPARENT:
 755         {
 756             AGLDrawable drawable = (AGLDrawable)va_arg( args, int);
 757             if( !p_vout->b_fullscreen && drawable != p_vout->p_sys->agl_drawable )
 758             {
 759                 p_vout->p_sys->agl_drawable = drawable;
 760                 aglSetDrawable(p_vout->p_sys->agl_ctx, drawable);
 761             }
 762             return VLC_SUCCESS;
 763         }
 764
 765         default:
 766             return vout_vaControlDefault( p_vout, i_query, args );
 767     }
 768 }
 769
 770 static void aglSwap( vout_thread_t * p_vout )
 771 {
 772     if( ! p_vout->p_sys->b_clipped_out )
 773     {
 774         p_vout->p_sys->b_got_frame = VLC_TRUE;
 775         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 776     }
 777     else
 778     {
 779         /* drop frame */
 780         glFlush();
 781     }
 782 }
 783
 784 /* Enter this function with the p_vout locked */
 785 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 786 {
 787     // mozilla plugin provides coordinates based on port bounds
 788     // however AGL coordinates are based on window structure region
 789     // and are vertically flipped
 790     GLint rect[4];
 791     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 792     Rect winBounds, clientBounds;
 793
 794     GetWindowBounds(GetWindowFromPort(port),
 795         kWindowStructureRgn, &winBounds);
 796     GetWindowBounds(GetWindowFromPort(port),
 797         kWindowContentRgn, &clientBounds);
 798
 799     /* update video clipping bounds in drawable */
 800     rect[0] = (clientBounds.left-winBounds.left)
 801             + clipBounds.left;                  // from window left edge
 802     rect[1] = (winBounds.bottom-winBounds.top)
 803             - (clientBounds.top-winBounds.top)
 804             - clipBounds.bottom;                // from window bottom edge
 805     rect[2] = clipBounds.right-clipBounds.left; // width
 806     rect[3] = clipBounds.bottom-clipBounds.top; // height
 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 = VLC_FALSE;
 923                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 924                         }
 925                         else
 926                         {
 927                             vlc_value_t val;
 928
 929                             val.b_bool = VLC_TRUE;
 930                             var_Set( p_vout, "mouse-clicked", val );
 931
 932                             var_Get( p_vout, "mouse-button-down", &val );
 933                             val.i_int &= ~1;
 934                             var_Set( p_vout, "mouse-button-down", val );
 935                         }
 936                         break;
 937                     }
 938                     case kEventMouseButtonSecondary:
 939                     {
 940                         vlc_value_t val;
 941
 942                         var_Get( p_vout, "mouse-button-down", &val );
 943                         val.i_int &= ~2;
 944                         var_Set( p_vout, "mouse-button-down", val );
 945                         break;
 946                     }
 947                     case kEventMouseButtonTertiary:
 948                     {
 949                         vlc_value_t val;
 950
 951                         var_Get( p_vout, "mouse-button-down", &val );
 952                         val.i_int &= ~2;
 953                         var_Set( p_vout, "mouse-button-down", val );
 954                         break;
 955                     }
 956                     default:
 957                         result = eventNotHandledErr;
 958                 }
 959                 break;
 960             }
 961
 962             case kEventMouseMoved:
 963             {
 964                 Point ml;
 965                 vlc_value_t val;
 966
 967                 unsigned int i_x, i_y;
 968                 unsigned int i_height = p_vout->p_sys->i_height;
 969                 unsigned int i_width  = p_vout->p_sys->i_width;
 970
 971                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
 972
 973                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
 974
 975                 val.i_int = ( ((int)ml.h) - i_x ) *
 976                             p_vout->render.i_width / i_width;
 977                 var_Set( p_vout, "mouse-x", val );
 978
 979                 val.i_int = ( ((int)ml.v) - i_y ) *
 980                             p_vout->render.i_height / i_height;
 981
 982                 var_Set( p_vout, "mouse-y", val );
 983
 984                 val.b_bool = VLC_TRUE;
 985                 var_Set( p_vout, "mouse-moved", val );
 986
 987                 break;
 988             }
 989
 990             default:
 991                 result = eventNotHandledErr;
 992         }
 993     }
 994     else if(class == kEventClassTextInput)
 995     {
 996         switch (kind)
 997         {
 998             case kEventTextInputUnicodeForKeyEvent:
 999             {
1000                 break;
1001             }
1002             default:
1003                 result = eventNotHandledErr;
1004         }
1005     }
1006     else if(class == kEventClassVLCPlugin)
1007     {
1008         switch (kind)
1009         {
1010             case kEventVLCPluginShowFullscreen:
1011                 ShowWindow (p_vout->p_sys->theWindow);
1012                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1013                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1014                 break;
1015             case kEventVLCPluginHideFullscreen:
1016                 HideWindow (p_vout->p_sys->theWindow);
1017                 SetSystemUIMode( kUIModeNormal, 0);
1018                 CGDisplayShowCursor(kCGDirectMainDisplay);
1019                 break;
1020             default:
1021                 result = eventNotHandledErr;
1022                 break;
1023         }
1024     }
1025     return result;
1026 }
1027
1028 static int aglLock( vout_thread_t * p_vout )
1029 {
1030 #ifdef __ppc__
1031     /*
1032      * before 10.4, we set the AGL context as current and
1033      * then we retrieve and use the matching CGL context
1034      */
1035     aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1036     return kCGLNoError != CGLLockContext( CGLGetCurrentContext() );
1037 #else
1038     /* since 10.4, this is the safe way to get the underlying CGL context */
1039     CGLContextObj cglContext;
1040     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1041     {
1042         if( kCGLNoError == CGLLockContext( cglContext ) )
1043         {
1044             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1045             return 0;
1046         }
1047     }
1048     return 1;
1049 #endif
1050 }
1051
1052 static void aglUnlock( vout_thread_t * p_vout )
1053 {
1054 #ifdef __ppc__
1055     /*
1056      * before 10.4, we assume that the AGL context is current.
1057      * therefore, we use the current CGL context
1058      */
1059     CGLUnlockContext( CGLGetCurrentContext() );
1060 #else
1061     /* since 10.4, this is the safe way to get the underlying CGL context */
1062     CGLContextObj cglContext;
1063     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1064     {
1065         CGLUnlockContext( cglContext );
1066     }
1067 #endif
1068 }
1069
1070