git.sesse.net Git - vlc/blob - modules/gui/macosx/voutgl.m

   1 /*****************************************************************************
   2  * voutgl.m: MacOS X OpenGL provider
   3  *****************************************************************************
   4  * Copyright (C) 2001-2004, 2007-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Colin Delacroix <colin@zoy.org>
   8  *          Florian G. Pflug <fgp@phlo.org>
   9  *          Jon Lech Johansen <jon-vl@nanocrew.net>
  10  *          Derk-Jan Hartman <hartman at videolan dot org>
  11  *          Eric Petit <titer@m0k.org>
  12  *          Benjamin Pracht <bigben at videolan dot org>
  13  *          Damien Fouilleul <damienf at videolan dot org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  28  *****************************************************************************/
  29
  30 /*****************************************************************************
  31  * Preamble
  32  *****************************************************************************/
  33 #include <errno.h>                                                 /* ENOMEM */
  34 #include <stdlib.h>                                                /* free() */
  35 #include <string.h>
  36
  37 #include <vlc_keys.h>
  38
  39 #include "intf.h"
  40 #include "vout.h"
  41
  42 #include <OpenGL/OpenGL.h>
  43 #include <OpenGL/gl.h>
  44
  45 #include <AGL/agl.h>
  46
  47 /*****************************************************************************
  48  * VLCGLView interface
  49  *****************************************************************************/
  50 @interface VLCGLView : NSOpenGLView <VLCVoutViewResetting>
  51 {
  52     vout_thread_t * p_vout;
  53 }
  54
  55 + (void)resetVout: (NSValue *) voutValue;
  56 - (id) initWithVout: (vout_thread_t *) p_vout;
  57 @end
  58
  59 struct vout_sys_t
  60 {
  61     VLCGLView         * o_glview;
  62     VLCVoutView       * o_vout_view;
  63     bool                b_saved_frame;
  64     NSRect              s_frame;
  65     bool                b_got_frame;
  66
  67     /* Mozilla plugin-related variables (not 64bit compatible) */
  68     bool                b_embedded;
  69 #ifndef __x86_64__
  70     AGLContext          agl_ctx;
  71     AGLDrawable         agl_drawable;
  72     int                 i_offx, i_offy;
  73     int                 i_width, i_height;
  74     WindowRef           theWindow;
  75     WindowGroupRef      winGroup;
  76     bool                b_clipped_out;
  77     Rect                clipBounds, viewBounds;
  78 #endif
  79 };
  80
  81 /*****************************************************************************
  82  * Local prototypes
  83  *****************************************************************************/
  84
  85 static int  Init   ( vout_thread_t * p_vout );
  86 static void End    ( vout_thread_t * p_vout );
  87 static int  Manage ( vout_thread_t * p_vout );
  88 static int  Control( vout_thread_t *, int, va_list );
  89 static void Swap   ( vout_thread_t * p_vout );
  90 static int  Lock   ( vout_thread_t * p_vout );
  91 static void Unlock ( vout_thread_t * p_vout );
  92
  93 #ifndef __x86_64__
  94 static int  aglInit   ( vout_thread_t * p_vout );
  95 static void aglEnd    ( vout_thread_t * p_vout );
  96 static int  aglManage ( vout_thread_t * p_vout );
  97 static int  aglControl( vout_thread_t *, int, va_list );
  98 static void aglSwap   ( vout_thread_t * p_vout );
  99 static int  aglLock   ( vout_thread_t * p_vout );
 100 static void aglUnlock ( vout_thread_t * p_vout );
 101 #endif
 102
 103 int OpenVideoGL  ( vlc_object_t * p_this )
 104 {
 105     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 106     vlc_value_t value_drawable;
 107
 108     if( !CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay ) )
 109     {
 110         msg_Warn( p_vout, "no OpenGL hardware acceleration found. "
 111                           "Video display might be slow" );
 112     }
 113     msg_Dbg( p_vout, "display is Quartz Extreme accelerated" );
 114
 115     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 116     if( p_vout->p_sys == NULL )
 117         return VLC_ENOMEM;
 118
 119     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 120
 121 #ifndef __x86_64__
 122     var_Get( p_vout->p_libvlc, "drawable-agl", &value_drawable );
 123     if( value_drawable.i_int != 0 )
 124     {
 125         static const GLint ATTRIBUTES[] = {
 126             AGL_WINDOW,
 127             AGL_RGBA,
 128             AGL_NO_RECOVERY,
 129             AGL_ACCELERATED,
 130             AGL_DOUBLEBUFFER,
 131             AGL_RED_SIZE,   8,
 132             AGL_GREEN_SIZE, 8,
 133             AGL_BLUE_SIZE,  8,
 134             AGL_ALPHA_SIZE, 8,
 135             AGL_DEPTH_SIZE, 24,
 136             AGL_NONE };
 137
 138         AGLPixelFormat pixFormat;
 139
 140         p_vout->p_sys->b_embedded = true;
 141
 142         pixFormat = aglChoosePixelFormat(NULL, 0, ATTRIBUTES);
 143         if( NULL == pixFormat )
 144         {
 145             msg_Err( p_vout, "no screen renderer available for required attributes." );
 146             free( p_vout->p_sys );
 147             return VLC_EGENERIC;
 148         }
 149
 150         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 151         aglDestroyPixelFormat(pixFormat);
 152         if( NULL == p_vout->p_sys->agl_ctx )
 153         {
 154             msg_Err( p_vout, "cannot create AGL context." );
 155             free( p_vout->p_sys );
 156             return VLC_EGENERIC;
 157         }
 158         else
 159         {
 160             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 161             GLint param = 0;
 162             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 163             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 164         }
 165
 166         p_vout->pf_init             = aglInit;
 167         p_vout->pf_end              = aglEnd;
 168         p_vout->pf_manage           = aglManage;
 169         p_vout->pf_control          = aglControl;
 170         p_vout->pf_swap             = aglSwap;
 171         p_vout->pf_lock             = aglLock;
 172         p_vout->pf_unlock           = aglUnlock;
 173     }
 174     else
 175     {
 176 #endif
 177         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 178
 179         p_vout->p_sys->b_embedded = false;
 180
 181         [VLCGLView performSelectorOnMainThread:@selector(initVout:) withObject:[NSValue valueWithPointer:p_vout] waitUntilDone:YES];
 182
 183         [o_pool release];
 184
 185         /* Check to see if initVout: was successfull */
 186         if( !p_vout->p_sys->o_vout_view )
 187         {
 188             free( p_vout->p_sys );
 189             return VLC_EGENERIC;
 190         }
 191
 192         p_vout->pf_init   = Init;
 193         p_vout->pf_end    = End;
 194         p_vout->pf_manage = Manage;
 195         p_vout->pf_control= Control;
 196         p_vout->pf_swap   = Swap;
 197         p_vout->pf_lock   = Lock;
 198         p_vout->pf_unlock = Unlock;
 199 #ifndef __x86_64__
 200     }
 201 #endif
 202     p_vout->p_sys->b_got_frame = false;
 203
 204     return VLC_SUCCESS;
 205 }
 206
 207 void CloseVideoGL ( vlc_object_t * p_this )
 208 {
 209     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 210
 211     msg_Dbg( p_this, "Closing" );
 212
 213 #ifndef __x86_64__
 214     /* If the fullscreen window is still open, close it */
 215     if( p_vout->b_fullscreen )
 216     {
 217         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 218         if( p_vout->p_sys->b_embedded )
 219         {
 220             aglManage( p_vout );
 221             var_SetBool( p_vout->p_parent, "fullscreen", false );
 222         }
 223         else
 224             Manage( p_vout );
 225     }
 226
 227     if( p_vout->p_sys->b_embedded )
 228     {
 229         if( p_vout->p_sys->agl_ctx )
 230         {
 231             aglEnd( p_vout );
 232             aglDestroyContext(p_vout->p_sys->agl_ctx);
 233         }
 234     }
 235     else if(VLCIntf && vlc_object_alive (VLCIntf))
 236     {
 237         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 238
 239         /* Close the window */
 240         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 241
 242         [o_pool release];
 243     }
 244 #else
 245         if(VLCIntf && vlc_object_alive (VLCIntf))
 246     {
 247         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 248
 249         /* Close the window */
 250         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 251
 252         [o_pool release];
 253     }
 254 #endif
 255     /* Clean up */
 256     free( p_vout->p_sys );
 257 }
 258
 259 static int Init( vout_thread_t * p_vout )
 260 {
 261     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 262     return VLC_SUCCESS;
 263 }
 264
 265 static void End( vout_thread_t * p_vout )
 266 {
 267     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 268 }
 269
 270 static int Manage( vout_thread_t * p_vout )
 271 {
 272     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 273     {
 274         [p_vout->p_sys->o_glview reshape];
 275         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 276     }
 277     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 278     {
 279         [p_vout->p_sys->o_glview reshape];
 280         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 281     }
 282
 283     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 284     {
 285         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 286
 287         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 288
 289         if( p_vout->b_fullscreen )
 290             [p_vout->p_sys->o_vout_view enterFullscreen];
 291         else
 292             [p_vout->p_sys->o_vout_view leaveFullscreen];
 293
 294         [o_pool release];
 295
 296         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 297     }
 298
 299     if( p_vout->p_sys->o_vout_view )
 300         [p_vout->p_sys->o_vout_view manage];
 301     return VLC_SUCCESS;
 302 }
 303
 304 /*****************************************************************************
 305  * Control: control facility for the vout
 306  *****************************************************************************/
 307 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 308 {
 309     bool b_arg;
 310
 311     switch( i_query )
 312     {
 313         case VOUT_SET_STAY_ON_TOP:
 314             b_arg = (bool) va_arg( args, int );
 315             [p_vout->p_sys->o_vout_view setOnTop: b_arg];
 316             return VLC_SUCCESS;
 317
 318         default:
 319             return VLC_EGENERIC;
 320     }
 321 }
 322
 323 static void Swap( vout_thread_t * p_vout )
 324 {
 325     p_vout->p_sys->b_got_frame = true;
 326     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 327 }
 328
 329 static int Lock( vout_thread_t * p_vout )
 330 {
 331     if( kCGLNoError == CGLLockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]) )
 332     {
 333         [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 334         return 0;
 335     }
 336     return 1;
 337 }
 338
 339 static void Unlock( vout_thread_t * p_vout )
 340 {
 341     CGLUnlockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]);
 342 }
 343
 344 /*****************************************************************************
 345  * VLCGLView implementation
 346  *****************************************************************************/
 347 @implementation VLCGLView
 348 + (void)initVout:(NSValue *)arg
 349 {
 350     vout_thread_t * p_vout = [arg pointerValue];
 351
 352     /* Create the GL view */
 353     p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 354     [p_vout->p_sys->o_glview autorelease];
 355
 356     /* Spawn the window */
 357     id old_vout = p_vout->p_sys->o_vout_view;
 358     p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 359                                                 subView: p_vout->p_sys->o_glview frame: nil] retain];
 360     [old_vout release];
 361 }
 362
 363 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 364 + (void)resetVout:(NSValue *) voutValue
 365 {
 366     vout_thread_t * p_vout = [voutValue pointerValue];
 367     if( p_vout->b_fullscreen )
 368     {
 369         /* Save window size and position */
 370         p_vout->p_sys->s_frame.size =
 371             [p_vout->p_sys->o_vout_view frame].size;
 372         p_vout->p_sys->s_frame.origin =
 373             [[p_vout->p_sys->o_vout_view voutWindow]frame].origin;
 374         p_vout->p_sys->b_saved_frame = true;
 375     }
 376
 377     [p_vout->p_sys->o_vout_view closeVout];
 378
 379 #define o_glview p_vout->p_sys->o_glview
 380     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 381     [o_glview autorelease];
 382
 383     if( p_vout->p_sys->b_saved_frame )
 384     {
 385         id old_vout = p_vout->p_sys->o_vout_view;
 386         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 387                                                     subView: o_glview
 388                                                       frame: &p_vout->p_sys->s_frame] retain];
 389         [old_vout release];
 390     }
 391     else
 392     {
 393         id old_vout = p_vout->p_sys->o_vout_view;
 394         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 395                                                     subView: o_glview frame: nil] retain];
 396         [old_vout release];
 397     }
 398 #undef o_glview
 399 }
 400
 401 - (id) initWithVout: (vout_thread_t *) vout
 402 {
 403     /* Must be called from main thread:
 404      * "The NSView class is generally thread-safe, with a few exceptions. You
 405      * should create, destroy, resize, move, and perform other operations on NSView
 406      * objects only from the main thread of an application. Drawing from secondary
 407      * threads is thread-safe as long as you bracket drawing calls with calls to
 408      * lockFocusIfCanDraw and unlockFocus." Cocoa Thread Safety */
 409
 410     p_vout = vout;
 411
 412     NSOpenGLPixelFormatAttribute attribs[] =
 413     {
 414         NSOpenGLPFADoubleBuffer,
 415         NSOpenGLPFAAccelerated,
 416         NSOpenGLPFANoRecovery,
 417         NSOpenGLPFAColorSize, 24,
 418         NSOpenGLPFAAlphaSize, 8,
 419         NSOpenGLPFADepthSize, 24,
 420         NSOpenGLPFAWindow,
 421         0
 422     };
 423
 424     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 425         initWithAttributes: attribs];
 426
 427     if( !fmt )
 428     {
 429         msg_Warn( p_vout, "could not create OpenGL video output" );
 430         return nil;
 431     }
 432
 433     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 434     [fmt release];
 435
 436     [[self openGLContext] makeCurrentContext];
 437     [[self openGLContext] update];
 438
 439     /* Swap buffers only during the vertical retrace of the monitor.
 440        http://developer.apple.com/documentation/GraphicsImaging/
 441        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 442     GLint params[] = { 1 };
 443     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval, params );
 444     return self;
 445 }
 446
 447 - (BOOL)mouseDownCanMoveWindow
 448 {
 449     return YES;
 450 }
 451
 452 - (void) reshape
 453 {
 454     int x, y;
 455
 456     Lock( p_vout );
 457     NSRect bounds = [self bounds];
 458
 459     if( var_GetBool( p_vout, "macosx-stretch" ) )
 460     {
 461         x = bounds.size.width;
 462         y = bounds.size.height;
 463     }
 464     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 465              p_vout->fmt_in.i_sar_num <
 466              bounds.size.width * p_vout->fmt_in.i_visible_height *
 467              p_vout->fmt_in.i_sar_den )
 468     {
 469         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 470               p_vout->fmt_in.i_sar_num ) /
 471             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 472
 473         y = bounds.size.height;
 474     }
 475     else
 476     {
 477         x = bounds.size.width;
 478         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 479               p_vout->fmt_in.i_sar_den) /
 480             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 481     }
 482
 483     glViewport( ( bounds.size.width - x ) / 2,
 484                 ( bounds.size.height - y ) / 2, x, y );
 485
 486     [super reshape];
 487
 488     if( p_vout->p_sys->b_got_frame )
 489     {
 490         /* Ask the opengl module to redraw */
 491         vout_thread_t * p_parent;
 492         p_parent = (vout_thread_t *) p_vout->p_parent;
 493         Unlock( p_vout );
 494         if( p_parent && p_parent->pf_display )
 495         {
 496             p_parent->pf_display( p_parent, NULL );
 497         }
 498     }
 499     else
 500     {
 501         glClear( GL_COLOR_BUFFER_BIT );
 502         Unlock( p_vout );
 503     }
 504 }
 505
 506 - (void) update
 507 {
 508     Lock( p_vout );
 509     [super update];
 510     Unlock( p_vout );
 511 }
 512
 513 - (void) drawRect: (NSRect) rect
 514 {
 515     Lock( p_vout );
 516     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 517     [super drawRect:rect];
 518     Unlock( p_vout );
 519 }
 520
 521 @end
 522
 523 /*****************************************************************************
 524  * embedded AGL context implementation
 525  *****************************************************************************/
 526
 527 #ifndef __x86_64__
 528
 529 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 530 static void aglReshape( vout_thread_t * p_vout );
 531 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 532
 533 static int aglInit( vout_thread_t * p_vout )
 534 {
 535     Rect viewBounds;
 536     Rect clipBounds;
 537
 538     p_vout->p_sys->agl_drawable = (AGLDrawable)
 539             var_GetInteger( p_vout->p_libvlc, "drawable-agl" );
 540     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 541
 542     viewBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-view-top" );
 543     viewBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-view-left" );
 544     viewBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-view-bottom" );
 545     viewBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-view-right" );
 546     clipBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-clip-top" );
 547     clipBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-clip-left" );
 548     clipBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-clip-bottom" );
 549     clipBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-clip-right" );
 550
 551     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 552                                  || (clipBounds.left == clipBounds.right);
 553     if( ! p_vout->p_sys->b_clipped_out )
 554     {
 555         aglLock(p_vout);
 556         aglSetViewport(p_vout, viewBounds, clipBounds);
 557         aglReshape(p_vout);
 558         aglUnlock(p_vout);
 559     }
 560     p_vout->p_sys->clipBounds = clipBounds;
 561     p_vout->p_sys->viewBounds = viewBounds;
 562
 563     return VLC_SUCCESS;
 564 }
 565
 566 static void aglEnd( vout_thread_t * p_vout )
 567 {
 568     aglSetCurrentContext(NULL);
 569     if( p_vout->p_sys->theWindow )
 570     {
 571         DisposeWindow( p_vout->p_sys->theWindow );
 572         p_vout->p_sys->theWindow = NULL;
 573     }
 574 }
 575
 576 static void aglReshape( vout_thread_t * p_vout )
 577 {
 578     unsigned int x, y;
 579     unsigned int i_height = p_vout->p_sys->i_height;
 580     unsigned int i_width  = p_vout->p_sys->i_width;
 581
 582     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 583
 584     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 585
 586     if( p_vout->p_sys->b_got_frame )
 587     {
 588         /* Ask the opengl module to redraw */
 589         vout_thread_t * p_parent;
 590         p_parent = (vout_thread_t *) p_vout->p_parent;
 591         if( p_parent && p_parent->pf_display )
 592         {
 593             p_parent->pf_display( p_parent, NULL );
 594         }
 595     }
 596     else
 597     {
 598         glClear( GL_COLOR_BUFFER_BIT );
 599     }
 600 }
 601
 602 /* private event class */
 603 enum
 604 {
 605     kEventClassVLCPlugin = 'vlcp',
 606 };
 607 /* private event kinds */
 608 enum
 609 {
 610     kEventVLCPluginShowFullscreen = 32768,
 611     kEventVLCPluginHideFullscreen,
 612 };
 613
 614 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 615 {
 616     EventRef myEvent;
 617     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 618     {
 619         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 620         {
 621             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 622         }
 623         ReleaseEvent(myEvent);
 624     }
 625 }
 626
 627 static int aglManage( vout_thread_t * p_vout )
 628 {
 629     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 630     {
 631         aglLock( p_vout );
 632         aglReshape(p_vout);
 633         aglUnlock( p_vout );
 634         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 635     }
 636     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 637     {
 638         aglLock( p_vout );
 639         aglReshape(p_vout);
 640         aglUnlock( p_vout );
 641         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 642     }
 643     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 644     {
 645         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 646         aglLock( p_vout );
 647         if( p_vout->b_fullscreen )
 648         {
 649             /* Close the fullscreen window and resume normal drawing */
 650             Rect viewBounds;
 651             Rect clipBounds;
 652
 653             p_vout->p_sys->agl_drawable = (AGLDrawable)
 654                     var_GetInteger( p_vout->p_libvlc, "drawable-agl" );
 655
 656             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 657
 658             viewBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-view-top" );
 659             viewBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-view-left" );
 660             viewBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-view-bottom" );
 661             viewBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-view-right" );
 662             clipBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-clip-top" );
 663             clipBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-clip-left" );
 664             clipBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-clip-bottom" );
 665             clipBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-clip-right" );
 666
 667             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 668             aglSetViewport(p_vout, viewBounds, clipBounds);
 669
 670             if( p_vout->p_sys->theWindow )
 671             {
 672                 /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty
 673                  * update to the main thread */
 674                 sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow),
 675                                       kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 676             }
 677         }
 678         else
 679         {
 680             /* Go into fullscreen */
 681             Rect deviceRect;
 682
 683             GDHandle deviceHdl = GetMainDevice();
 684             deviceRect = (*deviceHdl)->gdRect;
 685
 686             if( !p_vout->p_sys->theWindow )
 687             {
 688                 /* Create a window */
 689                 WindowAttributes windowAttrs;
 690
 691                 windowAttrs = kWindowStandardDocumentAttributes
 692                             | kWindowStandardHandlerAttribute
 693                             | kWindowLiveResizeAttribute
 694                             | kWindowNoShadowAttribute;
 695
 696                 windowAttrs &= (~kWindowResizableAttribute);
 697
 698                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 699                 if( !p_vout->p_sys->winGroup )
 700                 {
 701                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 702                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 703                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 704                 }
 705
 706                 // Window title
 707                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 708                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 709                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 710                 CFRelease(titleKey);
 711                 CFRelease(windowTitle);
 712
 713                 //Install event handler
 714                 static const EventTypeSpec win_events[] = {
 715                     { kEventClassMouse, kEventMouseDown },
 716                     { kEventClassMouse, kEventMouseMoved },
 717                     { kEventClassMouse, kEventMouseUp },
 718                     { kEventClassWindow, kEventWindowClosed },
 719                     { kEventClassWindow, kEventWindowBoundsChanged },
 720                     { kEventClassCommand, kEventCommandProcess },
 721                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 722                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 723                 };
 724                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 725             }
 726             else
 727             {
 728                 /* just in case device resolution changed */
 729                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 730             }
 731             glClear( GL_COLOR_BUFFER_BIT );
 732             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 733             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 734             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 735             aglSetViewport(p_vout, deviceRect, deviceRect);
 736             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 737
 738             if( p_vout->p_sys->theWindow )
 739             {
 740                 /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty
 741                  * update to the main thread */
 742                 sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow),
 743                                       kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 744             }
 745         }
 746         aglReshape(p_vout);
 747         aglUnlock( p_vout );
 748         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 749         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 750     }
 751     return VLC_SUCCESS;
 752 }
 753
 754 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 755 {
 756     switch( i_query )
 757     {
 758         case VOUT_SET_VIEWPORT:
 759         {
 760             Rect viewBounds, clipBounds;
 761             viewBounds.top = va_arg( args, int);
 762             viewBounds.left = va_arg( args, int);
 763             viewBounds.bottom = va_arg( args, int);
 764             viewBounds.right = va_arg( args, int);
 765             clipBounds.top = va_arg( args, int);
 766             clipBounds.left = va_arg( args, int);
 767             clipBounds.bottom = va_arg( args, int);
 768             clipBounds.right = va_arg( args, int);
 769
 770             if( !p_vout->b_fullscreen )
 771             {
 772                 /*
 773                 ** check that the clip rect is not empty, as this is used
 774                 ** by Firefox to prevent a plugin from displaying during
 775                 ** a scrolling event. In this case we just prevent buffers
 776                 ** from being swapped and ignore clipping as this is less
 777                 ** disruptive than a GL geometry change
 778                 */
 779
 780                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 781                                              || (clipBounds.left == clipBounds.right);
 782                 if( ! p_vout->p_sys->b_clipped_out )
 783                 {
 784                     /* ignore consecutive viewport update with identical parameters */
 785                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 786                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 787                     {
 788                         aglLock( p_vout );
 789                         aglSetViewport(p_vout, viewBounds, clipBounds);
 790                         aglReshape( p_vout );
 791                         aglUnlock( p_vout );
 792                         p_vout->p_sys->clipBounds = clipBounds;
 793                         p_vout->p_sys->viewBounds = viewBounds;
 794                     }
 795                 }
 796             }
 797             return VLC_SUCCESS;
 798         }
 799
 800         case VOUT_REDRAW_RECT:
 801         {
 802             vout_thread_t * p_parent;
 803             Rect areaBounds;
 804
 805             areaBounds.top = va_arg( args, int);
 806             areaBounds.left = va_arg( args, int);
 807             areaBounds.bottom = va_arg( args, int);
 808             areaBounds.right = va_arg( args, int);
 809
 810             /* Ask the opengl module to redraw */
 811             p_parent = (vout_thread_t *) p_vout->p_parent;
 812             if( p_parent && p_parent->pf_display )
 813             {
 814                 p_parent->pf_display( p_parent, NULL );
 815             }
 816             return VLC_SUCCESS;
 817         }
 818
 819         default:
 820             return VLC_EGENERIC;
 821     }
 822 }
 823
 824 static void aglSwap( vout_thread_t * p_vout )
 825 {
 826     if( ! p_vout->p_sys->b_clipped_out )
 827     {
 828         p_vout->p_sys->b_got_frame = true;
 829         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 830     }
 831     else
 832     {
 833         /* drop frame */
 834         glFlush();
 835     }
 836 }
 837
 838 /* Enter this function with the p_vout locked */
 839 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 840 {
 841     // mozilla plugin provides coordinates based on port bounds
 842     // however AGL coordinates are based on window structure region
 843     // and are vertically flipped
 844     GLint rect[4];
 845     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 846     Rect winBounds, clientBounds;
 847
 848     GetWindowBounds(GetWindowFromPort(port),
 849         kWindowStructureRgn, &winBounds);
 850     GetWindowBounds(GetWindowFromPort(port),
 851         kWindowContentRgn, &clientBounds);
 852
 853     /* update video clipping bounds in drawable */
 854     rect[0] = (clientBounds.left-winBounds.left)
 855             + clipBounds.left;                  // from window left edge
 856     rect[1] = (winBounds.bottom-winBounds.top)
 857             - (clientBounds.top-winBounds.top)
 858             - clipBounds.bottom;                // from window bottom edge
 859     rect[2] = clipBounds.right-clipBounds.left; // width
 860     rect[3] = clipBounds.bottom-clipBounds.top; // height
 861
 862     aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
 863     aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);
 864
 865     /* update video internal bounds in drawable */
 866     p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
 867     p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
 868     p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
 869     p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
 870                             - p_vout->p_sys->i_height;
 871
 872     aglUpdateContext(p_vout->p_sys->agl_ctx);
 873 }
 874
 875 //default window event handler
 876 static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
 877 {
 878     OSStatus result = noErr;
 879     UInt32 class = GetEventClass (event);
 880     UInt32 kind = GetEventKind (event);
 881     vout_thread_t *p_vout = (vout_thread_t *)userData;
 882
 883     result = CallNextEventHandler(nextHandler, event);
 884     if(class == kEventClassCommand)
 885     {
 886         HICommand theHICommand;
 887         GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 888
 889         switch ( theHICommand.commandID )
 890         {
 891             default:
 892                 result = eventNotHandledErr;
 893         }
 894     }
 895     else if(class == kEventClassWindow)
 896     {
 897         WindowRef     window;
 898         Rect          rectPort = {0,0,0,0};
 899
 900         GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);
 901
 902         if(window)
 903         {
 904             GetPortBounds(GetWindowPort(window), &rectPort);
 905         }
 906
 907         switch (kind)
 908         {
 909             case kEventWindowClosed:
 910             case kEventWindowZoomed:
 911             case kEventWindowBoundsChanged:
 912                 break;
 913
 914             default:
 915                 result = eventNotHandledErr;
 916         }
 917     }
 918     else if(class == kEventClassMouse)
 919     {
 920         switch (kind)
 921         {
 922             case kEventMouseDown:
 923             {
 924                 UInt16     button;
 925
 926                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 927                 switch (button)
 928                 {
 929                     case kEventMouseButtonPrimary:
 930                     {
 931                         vlc_value_t val;
 932
 933                         var_Get( p_vout, "mouse-button-down", &val );
 934                         val.i_int |= 1;
 935                         var_Set( p_vout, "mouse-button-down", val );
 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 |= 4;
 953                         var_Set( p_vout, "mouse-button-down", val );
 954                         break;
 955                     }
 956                     default:
 957                         result = eventNotHandledErr;
 958                 }
 959                 break;
 960             }
 961
 962             case kEventMouseUp:
 963             {
 964                 UInt16     button;
 965
 966                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 967                 switch (button)
 968                 {
 969                     case kEventMouseButtonPrimary:
 970                     {
 971                         UInt32 clickCount = 0;
 972                         GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
 973                         if( clickCount > 1 )
 974                         {
 975                             vlc_value_t val;
 976
 977                             val.b_bool = false;
 978                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 979                         }
 980                         else
 981                         {
 982                             vlc_value_t val;
 983
 984                             var_SetBool( p_vout, "mouse-clicked", true );
 985
 986                             var_Get( p_vout, "mouse-button-down", &val );
 987                             val.i_int &= ~1;
 988                             var_Set( p_vout, "mouse-button-down", val );
 989                         }
 990                         break;
 991                     }
 992                     case kEventMouseButtonSecondary:
 993                     {
 994                         vlc_value_t val;
 995
 996                         var_Get( p_vout, "mouse-button-down", &val );
 997                         val.i_int &= ~2;
 998                         var_Set( p_vout, "mouse-button-down", val );
 999                         break;
1000                     }
1001                     case kEventMouseButtonTertiary:
1002                     {
1003                         vlc_value_t val;
1004
1005                         var_Get( p_vout, "mouse-button-down", &val );
1006                         val.i_int &= ~2;
1007                         var_Set( p_vout, "mouse-button-down", val );
1008                         break;
1009                     }
1010                     default:
1011                         result = eventNotHandledErr;
1012                 }
1013                 break;
1014             }
1015
1016             case kEventMouseMoved:
1017             {
1018                 Point ml;
1019                 vlc_value_t val;
1020
1021                 unsigned int i_x, i_y;
1022                 unsigned int i_height = p_vout->p_sys->i_height;
1023                 unsigned int i_width  = p_vout->p_sys->i_width;
1024
1025                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
1026
1027                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
1028
1029                 val.i_int = ( ((int)ml.h) - i_x ) *
1030                             p_vout->render.i_width / i_width;
1031                 var_Set( p_vout, "mouse-x", val );
1032
1033                 val.i_int = ( ((int)ml.v) - i_y ) *
1034                             p_vout->render.i_height / i_height;
1035
1036                 var_Set( p_vout, "mouse-y", val );
1037
1038                 val.b_bool = true;
1039                 var_Set( p_vout, "mouse-moved", val );
1040
1041                 break;
1042             }
1043
1044             default:
1045                 result = eventNotHandledErr;
1046         }
1047     }
1048     else if(class == kEventClassTextInput)
1049     {
1050         switch (kind)
1051         {
1052             case kEventTextInputUnicodeForKeyEvent:
1053             {
1054                 break;
1055             }
1056             default:
1057                 result = eventNotHandledErr;
1058         }
1059     }
1060     else if(class == kEventClassVLCPlugin)
1061     {
1062         switch (kind)
1063         {
1064             case kEventVLCPluginShowFullscreen:
1065                 ShowWindow (p_vout->p_sys->theWindow);
1066                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1067                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1068                 break;
1069             case kEventVLCPluginHideFullscreen:
1070                 HideWindow (p_vout->p_sys->theWindow);
1071                 SetSystemUIMode( kUIModeNormal, 0);
1072                 CGDisplayShowCursor(kCGDirectMainDisplay);
1073                 break;
1074             default:
1075                 result = eventNotHandledErr;
1076                 break;
1077         }
1078     }
1079     return result;
1080 }
1081
1082 static int aglLock( vout_thread_t * p_vout )
1083 {
1084         /* get the underlying CGL context */
1085     CGLContextObj cglContext;
1086     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1087     {
1088         if( kCGLNoError == CGLLockContext( cglContext ) )
1089         {
1090             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1091             return 0;
1092         }
1093     }
1094     return 1;
1095 }
1096
1097 static void aglUnlock( vout_thread_t * p_vout )
1098 {
1099         /* get the underlying CGL context */
1100     CGLContextObj cglContext;
1101     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1102     {
1103         CGLUnlockContext( cglContext );
1104     }
1105 }
1106
1107 #endif