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-agl", &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             free( p_vout->p_sys );
 142             return VLC_EGENERIC;
 143         }
 144
 145         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 146         aglDestroyPixelFormat(pixFormat);
 147         if( NULL == p_vout->p_sys->agl_ctx )
 148         {
 149             msg_Err( p_vout, "cannot create AGL context." );
 150             free( p_vout->p_sys );
 151             return VLC_EGENERIC;
 152         }
 153         else
 154         {
 155             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 156             GLint param = 0;
 157             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 158             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 159         }
 160
 161         p_vout->pf_init             = aglInit;
 162         p_vout->pf_end              = aglEnd;
 163         p_vout->pf_manage           = aglManage;
 164         p_vout->pf_control          = aglControl;
 165         p_vout->pf_swap             = aglSwap;
 166         p_vout->pf_lock             = aglLock;
 167         p_vout->pf_unlock           = aglUnlock;
 168     }
 169     else
 170     {
 171         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 172
 173         p_vout->p_sys->b_embedded = false;
 174
 175         [VLCGLView performSelectorOnMainThread:@selector(initVout:) withObject:[NSValue valueWithPointer:p_vout] waitUntilDone:YES];
 176
 177         [o_pool release];
 178
 179         /* Check to see if initVout: was successfull */
 180         if( !p_vout->p_sys->o_vout_view )
 181         {
 182             free( p_vout->p_sys );
 183             return VLC_EGENERIC;
 184         }
 185
 186         p_vout->pf_init   = Init;
 187         p_vout->pf_end    = End;
 188         p_vout->pf_manage = Manage;
 189         p_vout->pf_control= Control;
 190         p_vout->pf_swap   = Swap;
 191         p_vout->pf_lock   = Lock;
 192         p_vout->pf_unlock = Unlock;
 193     }
 194     p_vout->p_sys->b_got_frame = false;
 195
 196     return VLC_SUCCESS;
 197 }
 198
 199 void CloseVideoGL ( vlc_object_t * p_this )
 200 {
 201     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 202
 203     msg_Dbg( p_this, "Closing" );
 204
 205     if( p_vout->p_sys->b_embedded )
 206     {
 207         aglDestroyContext(p_vout->p_sys->agl_ctx);
 208     }
 209     else if(VLCIntf && vlc_object_alive (VLCIntf))
 210     {
 211         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 212
 213         /* Close the window */
 214         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 215
 216         [o_pool release];
 217     }
 218     /* Clean up */
 219     free( p_vout->p_sys );
 220 }
 221
 222 static int Init( vout_thread_t * p_vout )
 223 {
 224     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 225     return VLC_SUCCESS;
 226 }
 227
 228 static void End( vout_thread_t * p_vout )
 229 {
 230     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 231 }
 232
 233 static int Manage( vout_thread_t * p_vout )
 234 {
 235     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 236     {
 237         [p_vout->p_sys->o_glview reshape];
 238         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 239     }
 240     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 241     {
 242         [p_vout->p_sys->o_glview reshape];
 243         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 244     }
 245
 246     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 247     {
 248         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 249
 250         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 251
 252         if( p_vout->b_fullscreen )
 253             [p_vout->p_sys->o_vout_view enterFullscreen];
 254         else
 255             [p_vout->p_sys->o_vout_view leaveFullscreen];
 256
 257         [o_pool release];
 258
 259         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 260     }
 261
 262     if( p_vout->p_sys->o_vout_view )
 263         [p_vout->p_sys->o_vout_view manage];
 264     return VLC_SUCCESS;
 265 }
 266
 267 /*****************************************************************************
 268  * Control: control facility for the vout
 269  *****************************************************************************/
 270 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 271 {
 272     bool b_arg;
 273
 274     switch( i_query )
 275     {
 276         case VOUT_SET_STAY_ON_TOP:
 277             b_arg = (bool) va_arg( args, int );
 278             [p_vout->p_sys->o_vout_view setOnTop: b_arg];
 279             return VLC_SUCCESS;
 280
 281         default:
 282             return VLC_EGENERIC;
 283     }
 284 }
 285
 286 static void Swap( vout_thread_t * p_vout )
 287 {
 288     p_vout->p_sys->b_got_frame = true;
 289     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 290 }
 291
 292 static int Lock( vout_thread_t * p_vout )
 293 {
 294     if( kCGLNoError == CGLLockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]) )
 295     {
 296         [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 297         return 0;
 298     }
 299     return 1;
 300 }
 301
 302 static void Unlock( vout_thread_t * p_vout )
 303 {
 304     CGLUnlockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]);
 305 }
 306
 307 /*****************************************************************************
 308  * VLCGLView implementation
 309  *****************************************************************************/
 310 @implementation VLCGLView
 311 + (void)initVout:(NSValue *)arg
 312 {
 313     vout_thread_t * p_vout = [arg pointerValue];
 314
 315     /* Create the GL view */
 316     p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 317     [p_vout->p_sys->o_glview autorelease];
 318
 319     /* Spawn the window */
 320     id old_vout = p_vout->p_sys->o_vout_view;
 321     p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 322                                                 subView: p_vout->p_sys->o_glview frame: nil] retain];
 323     [old_vout release];
 324 }
 325
 326 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 327 + (void)resetVout:(NSValue *) voutValue
 328 {
 329     vout_thread_t * p_vout = [voutValue pointerValue];
 330     if( p_vout->b_fullscreen )
 331     {
 332         /* Save window size and position */
 333         p_vout->p_sys->s_frame.size =
 334             [p_vout->p_sys->o_vout_view frame].size;
 335         p_vout->p_sys->s_frame.origin =
 336             [[p_vout->p_sys->o_vout_view getWindow ]frame].origin;
 337         p_vout->p_sys->b_saved_frame = true;
 338     }
 339
 340     [p_vout->p_sys->o_vout_view closeVout];
 341
 342 #define o_glview p_vout->p_sys->o_glview
 343     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 344     [o_glview autorelease];
 345
 346     if( p_vout->p_sys->b_saved_frame )
 347     {
 348         id old_vout = p_vout->p_sys->o_vout_view;
 349         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 350                                                     subView: o_glview
 351                                                       frame: &p_vout->p_sys->s_frame] retain];
 352         [old_vout release];
 353     }
 354     else
 355     {
 356         id old_vout = p_vout->p_sys->o_vout_view;
 357         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 358                                                     subView: o_glview frame: nil] retain];
 359         [old_vout release];
 360     }
 361 #undef o_glview
 362 }
 363
 364 - (id) initWithVout: (vout_thread_t *) vout
 365 {
 366     /* Must be called from main thread:
 367      * "The NSView class is generally thread-safe, with a few exceptions. You
 368      * should create, destroy, resize, move, and perform other operations on NSView
 369      * objects only from the main thread of an application. Drawing from secondary
 370      * threads is thread-safe as long as you bracket drawing calls with calls to
 371      * lockFocusIfCanDraw and unlockFocus." Cocoa Thread Safety */
 372
 373     p_vout = vout;
 374
 375     NSOpenGLPixelFormatAttribute attribs[] =
 376     {
 377         NSOpenGLPFADoubleBuffer,
 378         NSOpenGLPFAAccelerated,
 379         NSOpenGLPFANoRecovery,
 380         NSOpenGLPFAColorSize, 24,
 381         NSOpenGLPFAAlphaSize, 8,
 382         NSOpenGLPFADepthSize, 24,
 383         NSOpenGLPFAWindow,
 384         0
 385     };
 386
 387     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 388         initWithAttributes: attribs];
 389
 390     if( !fmt )
 391     {
 392         msg_Warn( p_vout, "could not create OpenGL video output" );
 393         return nil;
 394     }
 395
 396     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 397     [fmt release];
 398
 399     [[self openGLContext] makeCurrentContext];
 400     [[self openGLContext] update];
 401
 402     /* Swap buffers only during the vertical retrace of the monitor.
 403        http://developer.apple.com/documentation/GraphicsImaging/
 404        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 405     GLint params[] = { 1 };
 406     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval, params );
 407     return self;
 408 }
 409
 410 - (BOOL)mouseDownCanMoveWindow
 411 {
 412     return YES;
 413 }
 414
 415 - (void) reshape
 416 {
 417     int x, y;
 418     vlc_value_t val;
 419
 420     Lock( p_vout );
 421     NSRect bounds = [self bounds];
 422
 423     var_Get( p_vout, "macosx-stretch", &val );
 424     if( val.b_bool )
 425     {
 426         x = bounds.size.width;
 427         y = bounds.size.height;
 428     }
 429     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 430              p_vout->fmt_in.i_sar_num <
 431              bounds.size.width * p_vout->fmt_in.i_visible_height *
 432              p_vout->fmt_in.i_sar_den )
 433     {
 434         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 435               p_vout->fmt_in.i_sar_num ) /
 436             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 437
 438         y = bounds.size.height;
 439     }
 440     else
 441     {
 442         x = bounds.size.width;
 443         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 444               p_vout->fmt_in.i_sar_den) /
 445             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 446     }
 447
 448     glViewport( ( bounds.size.width - x ) / 2,
 449                 ( bounds.size.height - y ) / 2, x, y );
 450
 451     [super reshape];
 452
 453     if( p_vout->p_sys->b_got_frame )
 454     {
 455         /* Ask the opengl module to redraw */
 456         vout_thread_t * p_parent;
 457         p_parent = (vout_thread_t *) p_vout->p_parent;
 458         Unlock( p_vout );
 459         if( p_parent && p_parent->pf_display )
 460         {
 461             p_parent->pf_display( p_parent, NULL );
 462         }
 463     }
 464     else
 465     {
 466         glClear( GL_COLOR_BUFFER_BIT );
 467         Unlock( p_vout );
 468     }
 469 }
 470
 471 - (void) update
 472 {
 473     Lock( p_vout );
 474     [super update];
 475     Unlock( p_vout );
 476 }
 477
 478 - (void) drawRect: (NSRect) rect
 479 {
 480     Lock( p_vout );
 481     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 482     [super drawRect:rect];
 483     Unlock( p_vout );
 484 }
 485
 486 @end
 487
 488 /*****************************************************************************
 489  * embedded AGL context implementation
 490  *****************************************************************************/
 491
 492 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 493 static void aglReshape( vout_thread_t * p_vout );
 494 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 495
 496 static int aglInit( vout_thread_t * p_vout )
 497 {
 498     vlc_value_t val;
 499
 500     Rect viewBounds;
 501     Rect clipBounds;
 502
 503     var_Get( p_vout->p_libvlc, "drawable-agl", &val );
 504     p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 505     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 506
 507     var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 508     viewBounds.top = val.i_int;
 509     var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 510     viewBounds.left = val.i_int;
 511     var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 512     viewBounds.bottom = val.i_int;
 513     var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 514     viewBounds.right = val.i_int;
 515     var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 516     clipBounds.top = val.i_int;
 517     var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 518     clipBounds.left = val.i_int;
 519     var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 520     clipBounds.bottom = val.i_int;
 521     var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 522     clipBounds.right = val.i_int;
 523
 524     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 525                                  || (clipBounds.left == clipBounds.right);
 526     if( ! p_vout->p_sys->b_clipped_out )
 527     {
 528         aglLock(p_vout);
 529         aglSetViewport(p_vout, viewBounds, clipBounds);
 530         aglReshape(p_vout);
 531         aglUnlock(p_vout);
 532     }
 533     p_vout->p_sys->clipBounds = clipBounds;
 534     p_vout->p_sys->viewBounds = viewBounds;
 535
 536     return VLC_SUCCESS;
 537 }
 538
 539 static void aglEnd( vout_thread_t * p_vout )
 540 {
 541     aglSetCurrentContext(NULL);
 542     if( p_vout->p_sys->theWindow ) DisposeWindow( p_vout->p_sys->theWindow );
 543 }
 544
 545 static void aglReshape( vout_thread_t * p_vout )
 546 {
 547     unsigned int x, y;
 548     unsigned int i_height = p_vout->p_sys->i_height;
 549     unsigned int i_width  = p_vout->p_sys->i_width;
 550
 551     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 552
 553     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 554
 555     if( p_vout->p_sys->b_got_frame )
 556     {
 557         /* Ask the opengl module to redraw */
 558         vout_thread_t * p_parent;
 559         p_parent = (vout_thread_t *) p_vout->p_parent;
 560         if( p_parent && p_parent->pf_display )
 561         {
 562             p_parent->pf_display( p_parent, NULL );
 563         }
 564     }
 565     else
 566     {
 567         glClear( GL_COLOR_BUFFER_BIT );
 568     }
 569 }
 570
 571 /* private event class */
 572 enum
 573 {
 574     kEventClassVLCPlugin = 'vlcp',
 575 };
 576 /* private event kinds */
 577 enum
 578 {
 579     kEventVLCPluginShowFullscreen = 32768,
 580     kEventVLCPluginHideFullscreen,
 581 };
 582
 583 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 584 {
 585     EventRef myEvent;
 586     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 587     {
 588         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 589         {
 590             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 591         }
 592         ReleaseEvent(myEvent);
 593     }
 594 }
 595
 596 static int aglManage( vout_thread_t * p_vout )
 597 {
 598     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 599     {
 600         aglLock( p_vout );
 601         aglReshape(p_vout);
 602         aglUnlock( p_vout );
 603         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 604     }
 605     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 606     {
 607         aglLock( p_vout );
 608         aglReshape(p_vout);
 609         aglUnlock( p_vout );
 610         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 611     }
 612     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 613     {
 614         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 615         aglLock( p_vout );
 616         if( p_vout->b_fullscreen )
 617         {
 618             /* Close the fullscreen window and resume normal drawing */
 619             vlc_value_t val;
 620             Rect viewBounds;
 621             Rect clipBounds;
 622
 623             var_Get( p_vout->p_libvlc, "drawable-agl", &val );
 624             p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 625             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 626
 627             var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 628             viewBounds.top = val.i_int;
 629             var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 630             viewBounds.left = val.i_int;
 631             var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 632             viewBounds.bottom = val.i_int;
 633             var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 634             viewBounds.right = val.i_int;
 635             var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 636             clipBounds.top = val.i_int;
 637             var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 638             clipBounds.left = val.i_int;
 639             var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 640             clipBounds.bottom = val.i_int;
 641             var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 642             clipBounds.right = val.i_int;
 643
 644             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 645             aglSetViewport(p_vout, viewBounds, clipBounds);
 646
 647             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 648             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 649         }
 650         else
 651         {
 652             Rect deviceRect;
 653
 654             GDHandle deviceHdl = GetMainDevice();
 655             deviceRect = (*deviceHdl)->gdRect;
 656
 657             if( !p_vout->p_sys->theWindow )
 658             {
 659                 /* Create a window */
 660                 WindowAttributes    windowAttrs;
 661
 662                 windowAttrs = kWindowStandardDocumentAttributes
 663                             | kWindowStandardHandlerAttribute
 664                             | kWindowLiveResizeAttribute
 665                             | kWindowNoShadowAttribute;
 666
 667                 windowAttrs &= (~kWindowResizableAttribute);
 668
 669                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 670                 if( !p_vout->p_sys->winGroup )
 671                 {
 672                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 673                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 674                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 675                 }
 676
 677                 // Window title
 678                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 679                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 680                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 681                 CFRelease(titleKey);
 682                 CFRelease(windowTitle);
 683
 684                 //Install event handler
 685                 static const EventTypeSpec win_events[] = {
 686                     { kEventClassMouse, kEventMouseDown },
 687                     { kEventClassMouse, kEventMouseMoved },
 688                     { kEventClassMouse, kEventMouseUp },
 689                     { kEventClassWindow, kEventWindowClosed },
 690                     { kEventClassWindow, kEventWindowBoundsChanged },
 691                     { kEventClassCommand, kEventCommandProcess },
 692                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 693                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 694                 };
 695                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 696             }
 697             else
 698             {
 699                 /* just in case device resolution changed */
 700                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 701             }
 702             glClear( GL_COLOR_BUFFER_BIT );
 703             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 704             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 705             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 706             aglSetViewport(p_vout, deviceRect, deviceRect);
 707             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 708
 709             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 710             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 711         }
 712         aglReshape(p_vout);
 713         aglUnlock( p_vout );
 714         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 715         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 716     }
 717     return VLC_SUCCESS;
 718 }
 719
 720 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 721 {
 722     switch( i_query )
 723     {
 724         case VOUT_SET_VIEWPORT:
 725         {
 726             Rect viewBounds, clipBounds;
 727             viewBounds.top = va_arg( args, int);
 728             viewBounds.left = va_arg( args, int);
 729             viewBounds.bottom = va_arg( args, int);
 730             viewBounds.right = va_arg( args, int);
 731             clipBounds.top = va_arg( args, int);
 732             clipBounds.left = va_arg( args, int);
 733             clipBounds.bottom = va_arg( args, int);
 734             clipBounds.right = va_arg( args, int);
 735
 736             if( !p_vout->b_fullscreen )
 737             {
 738                 /*
 739                 ** check that the clip rect is not empty, as this is used
 740                 ** by Firefox to prevent a plugin from displaying during
 741                 ** a scrolling event. In this case we just prevent buffers
 742                 ** from being swapped and ignore clipping as this is less
 743                 ** disruptive than a GL geometry change
 744                 */
 745
 746                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 747                                              || (clipBounds.left == clipBounds.right);
 748                 if( ! p_vout->p_sys->b_clipped_out )
 749                 {
 750                     /* ignore consecutive viewport update with identical parameters */
 751                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 752                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 753                     {
 754                         aglLock( p_vout );
 755                         aglSetViewport(p_vout, viewBounds, clipBounds);
 756                         aglReshape( p_vout );
 757                         aglUnlock( p_vout );
 758                         p_vout->p_sys->clipBounds = clipBounds;
 759                         p_vout->p_sys->viewBounds = viewBounds;
 760                     }
 761                 }
 762             }
 763             return VLC_SUCCESS;
 764         }
 765
 766         case VOUT_REDRAW_RECT:
 767         {
 768             vout_thread_t * p_parent;
 769             Rect areaBounds;
 770
 771             areaBounds.top = va_arg( args, int);
 772             areaBounds.left = va_arg( args, int);
 773             areaBounds.bottom = va_arg( args, int);
 774             areaBounds.right = va_arg( args, int);
 775
 776             /* Ask the opengl module to redraw */
 777             p_parent = (vout_thread_t *) p_vout->p_parent;
 778             if( p_parent && p_parent->pf_display )
 779             {
 780                 p_parent->pf_display( p_parent, NULL );
 781             }
 782             return VLC_SUCCESS;
 783         }
 784
 785         default:
 786             return VLC_EGENERIC;
 787     }
 788 }
 789
 790 static void aglSwap( vout_thread_t * p_vout )
 791 {
 792     if( ! p_vout->p_sys->b_clipped_out )
 793     {
 794         p_vout->p_sys->b_got_frame = true;
 795         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 796     }
 797     else
 798     {
 799         /* drop frame */
 800         glFlush();
 801     }
 802 }
 803
 804 /* Enter this function with the p_vout locked */
 805 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 806 {
 807     // mozilla plugin provides coordinates based on port bounds
 808     // however AGL coordinates are based on window structure region
 809     // and are vertically flipped
 810     GLint rect[4];
 811     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 812     Rect winBounds, clientBounds;
 813
 814     GetWindowBounds(GetWindowFromPort(port),
 815         kWindowStructureRgn, &winBounds);
 816     GetWindowBounds(GetWindowFromPort(port),
 817         kWindowContentRgn, &clientBounds);
 818
 819     /* update video clipping bounds in drawable */
 820     rect[0] = (clientBounds.left-winBounds.left)
 821             + clipBounds.left;                  // from window left edge
 822     rect[1] = (winBounds.bottom-winBounds.top)
 823             - (clientBounds.top-winBounds.top)
 824             - clipBounds.bottom;                // from window bottom edge
 825     rect[2] = clipBounds.right-clipBounds.left; // width
 826     rect[3] = clipBounds.bottom-clipBounds.top; // height
 827     aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
 828     aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);
 829
 830     /* update video internal bounds in drawable */
 831     p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
 832     p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
 833     p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
 834     p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
 835                             - p_vout->p_sys->i_height;
 836
 837     aglUpdateContext(p_vout->p_sys->agl_ctx);
 838 }
 839
 840 //default window event handler
 841 static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
 842 {
 843     OSStatus result = noErr;
 844     UInt32 class = GetEventClass (event);
 845     UInt32 kind = GetEventKind (event);
 846     vout_thread_t *p_vout = (vout_thread_t *)userData;
 847
 848     result = CallNextEventHandler(nextHandler, event);
 849     if(class == kEventClassCommand)
 850     {
 851         HICommand theHICommand;
 852         GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 853
 854         switch ( theHICommand.commandID )
 855         {
 856             default:
 857                 result = eventNotHandledErr;
 858         }
 859     }
 860     else if(class == kEventClassWindow)
 861     {
 862         WindowRef     window;
 863         Rect          rectPort = {0,0,0,0};
 864
 865         GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);
 866
 867         if(window)
 868         {
 869             GetPortBounds(GetWindowPort(window), &rectPort);
 870         }
 871
 872         switch (kind)
 873         {
 874             case kEventWindowClosed:
 875             case kEventWindowZoomed:
 876             case kEventWindowBoundsChanged:
 877                 break;
 878
 879             default:
 880                 result = eventNotHandledErr;
 881         }
 882     }
 883     else if(class == kEventClassMouse)
 884     {
 885         switch (kind)
 886         {
 887             case kEventMouseDown:
 888             {
 889                 UInt16     button;
 890
 891                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 892                 switch (button)
 893                 {
 894                     case kEventMouseButtonPrimary:
 895                     {
 896                         vlc_value_t val;
 897
 898                         var_Get( p_vout, "mouse-button-down", &val );
 899                         val.i_int |= 1;
 900                         var_Set( p_vout, "mouse-button-down", val );
 901                         break;
 902                     }
 903                     case kEventMouseButtonSecondary:
 904                     {
 905                         vlc_value_t val;
 906
 907                         var_Get( p_vout, "mouse-button-down", &val );
 908                         val.i_int |= 2;
 909                         var_Set( p_vout, "mouse-button-down", val );
 910                         break;
 911                     }
 912                     case kEventMouseButtonTertiary:
 913                     {
 914                         vlc_value_t val;
 915
 916                         var_Get( p_vout, "mouse-button-down", &val );
 917                         val.i_int |= 4;
 918                         var_Set( p_vout, "mouse-button-down", val );
 919                         break;
 920                     }
 921                     default:
 922                         result = eventNotHandledErr;
 923                 }
 924                 break;
 925             }
 926
 927             case kEventMouseUp:
 928             {
 929                 UInt16     button;
 930
 931                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 932                 switch (button)
 933                 {
 934                     case kEventMouseButtonPrimary:
 935                     {
 936                         UInt32 clickCount = 0;
 937                         GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
 938                         if( clickCount > 1 )
 939                         {
 940                             vlc_value_t val;
 941
 942                             val.b_bool = false;
 943                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 944                         }
 945                         else
 946                         {
 947                             vlc_value_t val;
 948
 949                             var_SetBool( p_vout, "mouse-clicked", true );
 950
 951                             var_Get( p_vout, "mouse-button-down", &val );
 952                             val.i_int &= ~1;
 953                             var_Set( p_vout, "mouse-button-down", val );
 954                         }
 955                         break;
 956                     }
 957                     case kEventMouseButtonSecondary:
 958                     {
 959                         vlc_value_t val;
 960
 961                         var_Get( p_vout, "mouse-button-down", &val );
 962                         val.i_int &= ~2;
 963                         var_Set( p_vout, "mouse-button-down", val );
 964                         break;
 965                     }
 966                     case kEventMouseButtonTertiary:
 967                     {
 968                         vlc_value_t val;
 969
 970                         var_Get( p_vout, "mouse-button-down", &val );
 971                         val.i_int &= ~2;
 972                         var_Set( p_vout, "mouse-button-down", val );
 973                         break;
 974                     }
 975                     default:
 976                         result = eventNotHandledErr;
 977                 }
 978                 break;
 979             }
 980
 981             case kEventMouseMoved:
 982             {
 983                 Point ml;
 984                 vlc_value_t val;
 985
 986                 unsigned int i_x, i_y;
 987                 unsigned int i_height = p_vout->p_sys->i_height;
 988                 unsigned int i_width  = p_vout->p_sys->i_width;
 989
 990                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
 991
 992                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
 993
 994                 val.i_int = ( ((int)ml.h) - i_x ) *
 995                             p_vout->render.i_width / i_width;
 996                 var_Set( p_vout, "mouse-x", val );
 997
 998                 val.i_int = ( ((int)ml.v) - i_y ) *
 999                             p_vout->render.i_height / i_height;
1000
1001                 var_Set( p_vout, "mouse-y", val );
1002
1003                 val.b_bool = true;
1004                 var_Set( p_vout, "mouse-moved", val );
1005
1006                 break;
1007             }
1008
1009             default:
1010                 result = eventNotHandledErr;
1011         }
1012     }
1013     else if(class == kEventClassTextInput)
1014     {
1015         switch (kind)
1016         {
1017             case kEventTextInputUnicodeForKeyEvent:
1018             {
1019                 break;
1020             }
1021             default:
1022                 result = eventNotHandledErr;
1023         }
1024     }
1025     else if(class == kEventClassVLCPlugin)
1026     {
1027         switch (kind)
1028         {
1029             case kEventVLCPluginShowFullscreen:
1030                 ShowWindow (p_vout->p_sys->theWindow);
1031                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1032                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1033                 break;
1034             case kEventVLCPluginHideFullscreen:
1035                 HideWindow (p_vout->p_sys->theWindow);
1036                 SetSystemUIMode( kUIModeNormal, 0);
1037                 CGDisplayShowCursor(kCGDirectMainDisplay);
1038                 break;
1039             default:
1040                 result = eventNotHandledErr;
1041                 break;
1042         }
1043     }
1044     return result;
1045 }
1046
1047 static int aglLock( vout_thread_t * p_vout )
1048 {
1049         /* get the underlying CGL context */
1050     CGLContextObj cglContext;
1051     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1052     {
1053         if( kCGLNoError == CGLLockContext( cglContext ) )
1054         {
1055             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1056             return 0;
1057         }
1058     }
1059     return 1;
1060 }
1061
1062 static void aglUnlock( vout_thread_t * p_vout )
1063 {
1064         /* get the underlying CGL context */
1065     CGLContextObj cglContext;
1066     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1067     {
1068         CGLUnlockContext( cglContext );
1069     }
1070 }
1071
1072