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

   1 /*****************************************************************************
   2  * voutgl.m: MacOS X OpenGL provider
   3  *****************************************************************************
   4  * Copyright (C) 2001-2004, 2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Colin Delacroix <colin@zoy.org>
   8  *          Florian G. Pflug <fgp@phlo.org>
   9  *          Jon Lech Johansen <jon-vl@nanocrew.net>
  10  *          Derk-Jan Hartman <hartman at videolan dot org>
  11  *          Eric Petit <titer@m0k.org>
  12  *          Benjamin Pracht <bigben at videolan dot org>
  13  *          Damien Fouilleul <damienf at videolan dot org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  28  *****************************************************************************/
  29
  30 /*****************************************************************************
  31  * Preamble
  32  *****************************************************************************/
  33 #include <errno.h>                                                 /* ENOMEM */
  34 #include <stdlib.h>                                                /* free() */
  35 #include <string.h>
  36
  37 #include <vlc_keys.h>
  38
  39 #include "intf.h"
  40 #include "vout.h"
  41
  42 #include <OpenGL/OpenGL.h>
  43 #include <OpenGL/gl.h>
  44
  45 #include <AGL/agl.h>
  46
  47 /*****************************************************************************
  48  * VLCGLView interface
  49  *****************************************************************************/
  50 @interface VLCGLView : NSOpenGLView <VLCVoutViewResetting>
  51 {
  52     vout_thread_t * p_vout;
  53 }
  54
  55 + (void)resetVout: (NSValue *) voutValue;
  56 - (id) initWithVout: (vout_thread_t *) p_vout;
  57 @end
  58
  59 struct vout_sys_t
  60 {
  61     NSAutoreleasePool * o_pool;
  62     VLCGLView         * o_glview;
  63     VLCVoutView       * o_vout_view;
  64     bool          b_saved_frame;
  65     NSRect              s_frame;
  66     bool          b_got_frame;
  67     /* Mozilla plugin-related variables */
  68     bool          b_embedded;
  69     AGLContext          agl_ctx;
  70     AGLDrawable         agl_drawable;
  71     int                 i_offx, i_offy;
  72     int                 i_width, i_height;
  73     WindowRef           theWindow;
  74     WindowGroupRef      winGroup;
  75     bool          b_clipped_out;
  76     Rect                clipBounds, viewBounds;
  77 };
  78
  79 /*****************************************************************************
  80  * Local prototypes
  81  *****************************************************************************/
  82
  83 static int  Init   ( vout_thread_t * p_vout );
  84 static void End    ( vout_thread_t * p_vout );
  85 static int  Manage ( vout_thread_t * p_vout );
  86 static int  Control( vout_thread_t *, int, va_list );
  87 static void Swap   ( vout_thread_t * p_vout );
  88 static int  Lock   ( vout_thread_t * p_vout );
  89 static void Unlock ( vout_thread_t * p_vout );
  90
  91 static int  aglInit   ( vout_thread_t * p_vout );
  92 static void aglEnd    ( vout_thread_t * p_vout );
  93 static int  aglManage ( vout_thread_t * p_vout );
  94 static int  aglControl( vout_thread_t *, int, va_list );
  95 static void aglSwap   ( vout_thread_t * p_vout );
  96 static int  aglLock   ( vout_thread_t * p_vout );
  97 static void aglUnlock ( vout_thread_t * p_vout );
  98
  99 int OpenVideoGL  ( vlc_object_t * p_this )
 100 {
 101     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 102     vlc_value_t value_drawable;
 103
 104     if( !CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay ) )
 105     {
 106         msg_Warn( p_vout, "no OpenGL hardware acceleration found. "
 107                           "Video display might be slow" );
 108     }
 109     msg_Dbg( p_vout, "display is Quartz Extreme accelerated" );
 110
 111     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 112     if( p_vout->p_sys == NULL )
 113         return( 1 );
 114
 115     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 116
 117     var_Get( p_vout->p_libvlc, "drawable", &value_drawable );
 118     if( value_drawable.i_int != 0 )
 119     {
 120         static const GLint ATTRIBUTES[] = {
 121             AGL_WINDOW,
 122             AGL_RGBA,
 123             AGL_NO_RECOVERY,
 124             AGL_ACCELERATED,
 125             AGL_DOUBLEBUFFER,
 126             AGL_RED_SIZE,   8,
 127             AGL_GREEN_SIZE, 8,
 128             AGL_BLUE_SIZE,  8,
 129             AGL_ALPHA_SIZE, 8,
 130             AGL_DEPTH_SIZE, 24,
 131             AGL_NONE };
 132
 133         AGLPixelFormat pixFormat;
 134
 135         p_vout->p_sys->b_embedded = true;
 136
 137         pixFormat = aglChoosePixelFormat(NULL, 0, ATTRIBUTES);
 138         if( NULL == pixFormat )
 139         {
 140             msg_Err( p_vout, "no screen renderer available for required attributes." );
 141             return VLC_EGENERIC;
 142         }
 143
 144         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 145         aglDestroyPixelFormat(pixFormat);
 146         if( NULL == p_vout->p_sys->agl_ctx )
 147         {
 148             msg_Err( p_vout, "cannot create AGL context." );
 149             return VLC_EGENERIC;
 150         }
 151         else {
 152             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 153             GLint param = 0;
 154             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 155             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 156         }
 157
 158         p_vout->pf_init             = aglInit;
 159         p_vout->pf_end              = aglEnd;
 160         p_vout->pf_manage           = aglManage;
 161         p_vout->pf_control          = aglControl;
 162         p_vout->pf_swap             = aglSwap;
 163         p_vout->pf_lock             = aglLock;
 164         p_vout->pf_unlock           = aglUnlock;
 165     }
 166     else
 167     {
 168         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 169
 170         p_vout->p_sys->b_embedded = false;
 171
 172         [VLCGLView performSelectorOnMainThread:@selector(initVout:) withObject:[NSValue valueWithPointer:p_vout] waitUntilDone:YES];
 173
 174         [o_pool release];
 175
 176         /* Check to see if initVout: was successfull */
 177
 178         if( !p_vout->p_sys->o_vout_view )
 179         {
 180             return VLC_EGENERIC;
 181         }
 182
 183         p_vout->pf_init   = Init;
 184         p_vout->pf_end    = End;
 185         p_vout->pf_manage = Manage;
 186         p_vout->pf_control= Control;
 187         p_vout->pf_swap   = Swap;
 188         p_vout->pf_lock   = Lock;
 189         p_vout->pf_unlock = Unlock;
 190     }
 191     p_vout->p_sys->b_got_frame = false;
 192
 193     return VLC_SUCCESS;
 194 }
 195
 196 void CloseVideoGL ( vlc_object_t * p_this )
 197 {
 198     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 199
 200     msg_Dbg( p_this, "Closing" );
 201
 202     if( p_vout->p_sys->b_embedded )
 203     {
 204         aglDestroyContext(p_vout->p_sys->agl_ctx);
 205     }
 206     else if(VLCIntf && vlc_object_alive (VLCIntf))
 207     {
 208         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 209
 210         /* Close the window */
 211         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 212
 213         [o_pool release];
 214     }
 215     /* Clean up */
 216     free( p_vout->p_sys );
 217 }
 218
 219 static int Init( vout_thread_t * p_vout )
 220 {
 221     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 222     return VLC_SUCCESS;
 223 }
 224
 225 static void End( vout_thread_t * p_vout )
 226 {
 227     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 228 }
 229
 230 static int Manage( vout_thread_t * p_vout )
 231 {
 232     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 233     {
 234         [p_vout->p_sys->o_glview reshape];
 235         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 236     }
 237     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 238     {
 239         [p_vout->p_sys->o_glview reshape];
 240         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 241     }
 242
 243     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 244     {
 245         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 246
 247         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 248
 249         if( p_vout->b_fullscreen )
 250             [p_vout->p_sys->o_vout_view enterFullscreen];
 251         else
 252             [p_vout->p_sys->o_vout_view leaveFullscreen];
 253
 254         [o_pool release];
 255
 256         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 257     }
 258
 259     if( p_vout->p_sys->o_vout_view )
 260         [p_vout->p_sys->o_vout_view manage];
 261     return VLC_SUCCESS;
 262 }
 263
 264 /*****************************************************************************
 265  * Control: control facility for the vout
 266  *****************************************************************************/
 267 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 268 {
 269     bool b_arg;
 270
 271     switch( i_query )
 272     {
 273         case VOUT_SET_STAY_ON_TOP:
 274             b_arg = (bool) va_arg( args, int );
 275             [p_vout->p_sys->o_vout_view setOnTop: b_arg];
 276             return VLC_SUCCESS;
 277
 278         case VOUT_REPARENT:
 279         default:
 280             return vout_vaControlDefault( p_vout, i_query, args );
 281     }
 282 }
 283
 284 static void Swap( vout_thread_t * p_vout )
 285 {
 286     p_vout->p_sys->b_got_frame = true;
 287     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 288 }
 289
 290 static int Lock( vout_thread_t * p_vout )
 291 {
 292     if( kCGLNoError == CGLLockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]) )
 293     {
 294         [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 295         return 0;
 296     }
 297     return 1;
 298 }
 299
 300 static void Unlock( vout_thread_t * p_vout )
 301 {
 302     CGLUnlockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]);
 303 }
 304
 305 /*****************************************************************************
 306  * VLCGLView implementation
 307  *****************************************************************************/
 308 @implementation VLCGLView
 309 + (void)initVout:(NSValue *)arg
 310 {
 311     vout_thread_t * p_vout = [arg pointerValue];
 312
 313     /* Create the GL view */
 314     p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 315     [p_vout->p_sys->o_glview autorelease];
 316
 317     /* Spawn the window */
 318     id old_vout = p_vout->p_sys->o_vout_view;
 319     p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 320                                                 subView: p_vout->p_sys->o_glview frame: nil] retain];
 321     [old_vout release];
 322 }
 323
 324 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 325 + (void)resetVout:(NSValue *) voutValue
 326 {
 327     vout_thread_t * p_vout = [voutValue pointerValue];
 328     if( p_vout->b_fullscreen )
 329     {
 330         /* Save window size and position */
 331         p_vout->p_sys->s_frame.size =
 332             [p_vout->p_sys->o_vout_view frame].size;
 333         p_vout->p_sys->s_frame.origin =
 334             [[p_vout->p_sys->o_vout_view getWindow ]frame].origin;
 335         p_vout->p_sys->b_saved_frame = true;
 336     }
 337
 338     [p_vout->p_sys->o_vout_view closeVout];
 339
 340 #define o_glview p_vout->p_sys->o_glview
 341     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 342     [o_glview autorelease];
 343
 344     if( p_vout->p_sys->b_saved_frame )
 345     {
 346         id old_vout = p_vout->p_sys->o_vout_view;
 347         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 348                                                     subView: o_glview
 349                                                       frame: &p_vout->p_sys->s_frame] retain];
 350         [old_vout release];
 351     }
 352     else
 353     {
 354         id old_vout = p_vout->p_sys->o_vout_view;
 355         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 356                                                     subView: o_glview frame: nil] retain];
 357         [old_vout release];
 358     }
 359 #undef o_glview
 360 }
 361
 362 - (id) initWithVout: (vout_thread_t *) vout
 363 {
 364     /* Must be called from main thread:
 365      * "The NSView class is generally thread-safe, with a few exceptions. You
 366      * should create, destroy, resize, move, and perform other operations on NSView
 367      * objects only from the main thread of an application. Drawing from secondary
 368      * threads is thread-safe as long as you bracket drawing calls with calls to
 369      * lockFocusIfCanDraw and unlockFocus." Cocoa Thread Safety */
 370
 371     p_vout = vout;
 372
 373     NSOpenGLPixelFormatAttribute attribs[] =
 374     {
 375         NSOpenGLPFADoubleBuffer,
 376         NSOpenGLPFAAccelerated,
 377         NSOpenGLPFANoRecovery,
 378         NSOpenGLPFAColorSize, 24,
 379         NSOpenGLPFAAlphaSize, 8,
 380         NSOpenGLPFADepthSize, 24,
 381         NSOpenGLPFAWindow,
 382         0
 383     };
 384
 385     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 386         initWithAttributes: attribs];
 387
 388     if( !fmt )
 389     {
 390         msg_Warn( p_vout, "could not create OpenGL video output" );
 391         return nil;
 392     }
 393
 394     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 395     [fmt release];
 396
 397     [[self openGLContext] makeCurrentContext];
 398     [[self openGLContext] update];
 399
 400     /* Swap buffers only during the vertical retrace of the monitor.
 401        http://developer.apple.com/documentation/GraphicsImaging/
 402        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 403     GLint params[] = { 1 };
 404     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval, params );
 405     return self;
 406 }
 407
 408 - (BOOL)mouseDownCanMoveWindow
 409 {
 410     return YES;
 411 }
 412
 413 - (void) reshape
 414 {
 415     int x, y;
 416     vlc_value_t val;
 417
 418     Lock( p_vout );
 419     NSRect bounds = [self bounds];
 420
 421     var_Get( p_vout, "macosx-stretch", &val );
 422     if( val.b_bool )
 423     {
 424         x = bounds.size.width;
 425         y = bounds.size.height;
 426     }
 427     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 428              p_vout->fmt_in.i_sar_num <
 429              bounds.size.width * p_vout->fmt_in.i_visible_height *
 430              p_vout->fmt_in.i_sar_den )
 431     {
 432         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 433               p_vout->fmt_in.i_sar_num ) /
 434             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 435
 436         y = bounds.size.height;
 437     }
 438     else
 439     {
 440         x = bounds.size.width;
 441         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 442               p_vout->fmt_in.i_sar_den) /
 443             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 444     }
 445
 446     glViewport( ( bounds.size.width - x ) / 2,
 447                 ( bounds.size.height - y ) / 2, x, y );
 448
 449     [super reshape];
 450
 451     if( p_vout->p_sys->b_got_frame )
 452     {
 453         /* Ask the opengl module to redraw */
 454         vout_thread_t * p_parent;
 455         p_parent = (vout_thread_t *) p_vout->p_parent;
 456         Unlock( p_vout );
 457         if( p_parent && p_parent->pf_display )
 458         {
 459             p_parent->pf_display( p_parent, NULL );
 460         }
 461     }
 462     else
 463     {
 464         glClear( GL_COLOR_BUFFER_BIT );
 465         Unlock( p_vout );
 466     }
 467 }
 468
 469 - (void) update
 470 {
 471     Lock( p_vout );
 472     [super update];
 473     Unlock( p_vout );
 474 }
 475
 476 - (void) drawRect: (NSRect) rect
 477 {
 478     Lock( p_vout );
 479     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 480     [super drawRect:rect];
 481     Unlock( p_vout );
 482 }
 483
 484 @end
 485
 486 /*****************************************************************************
 487  * embedded AGL context implementation
 488  *****************************************************************************/
 489
 490 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 491 static void aglReshape( vout_thread_t * p_vout );
 492 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 493
 494 static int aglInit( vout_thread_t * p_vout )
 495 {
 496     vlc_value_t val;
 497
 498     Rect viewBounds;
 499     Rect clipBounds;
 500
 501     var_Get( p_vout->p_libvlc, "drawable", &val );
 502     p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 503     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 504
 505     var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 506     viewBounds.top = val.i_int;
 507     var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 508     viewBounds.left = val.i_int;
 509     var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 510     viewBounds.bottom = val.i_int;
 511     var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 512     viewBounds.right = val.i_int;
 513     var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 514     clipBounds.top = val.i_int;
 515     var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 516     clipBounds.left = val.i_int;
 517     var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 518     clipBounds.bottom = val.i_int;
 519     var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 520     clipBounds.right = val.i_int;
 521
 522     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 523                                  || (clipBounds.left == clipBounds.right);
 524     if( ! p_vout->p_sys->b_clipped_out )
 525     {
 526         aglLock(p_vout);
 527         aglSetViewport(p_vout, viewBounds, clipBounds);
 528         aglReshape(p_vout);
 529         aglUnlock(p_vout);
 530     }
 531     p_vout->p_sys->clipBounds = clipBounds;
 532     p_vout->p_sys->viewBounds = viewBounds;
 533
 534     return VLC_SUCCESS;
 535 }
 536
 537 static void aglEnd( vout_thread_t * p_vout )
 538 {
 539     aglSetCurrentContext(NULL);
 540     if( p_vout->p_sys->theWindow ) DisposeWindow( p_vout->p_sys->theWindow );
 541 }
 542
 543 static void aglReshape( vout_thread_t * p_vout )
 544 {
 545     unsigned int x, y;
 546     unsigned int i_height = p_vout->p_sys->i_height;
 547     unsigned int i_width  = p_vout->p_sys->i_width;
 548
 549     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 550
 551     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 552
 553     if( p_vout->p_sys->b_got_frame )
 554     {
 555         /* Ask the opengl module to redraw */
 556         vout_thread_t * p_parent;
 557         p_parent = (vout_thread_t *) p_vout->p_parent;
 558         if( p_parent && p_parent->pf_display )
 559         {
 560             p_parent->pf_display( p_parent, NULL );
 561         }
 562     }
 563     else
 564     {
 565         glClear( GL_COLOR_BUFFER_BIT );
 566     }
 567 }
 568
 569 /* private event class */
 570 enum
 571 {
 572     kEventClassVLCPlugin = 'vlcp',
 573 };
 574 /* private event kinds */
 575 enum
 576 {
 577     kEventVLCPluginShowFullscreen = 32768,
 578     kEventVLCPluginHideFullscreen,
 579 };
 580
 581 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 582 {
 583     EventRef myEvent;
 584     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 585     {
 586         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 587         {
 588             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 589         }
 590         ReleaseEvent(myEvent);
 591     }
 592 }
 593
 594 static int aglManage( vout_thread_t * p_vout )
 595 {
 596     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 597     {
 598         aglLock( p_vout );
 599         aglReshape(p_vout);
 600         aglUnlock( p_vout );
 601         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 602     }
 603     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 604     {
 605         aglLock( p_vout );
 606         aglReshape(p_vout);
 607         aglUnlock( p_vout );
 608         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 609     }
 610     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 611     {
 612         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 613         aglLock( p_vout );
 614         if( p_vout->b_fullscreen )
 615         {
 616             /* Close the fullscreen window and resume normal drawing */
 617             vlc_value_t val;
 618             Rect viewBounds;
 619             Rect clipBounds;
 620
 621             var_Get( p_vout->p_libvlc, "drawable", &val );
 622             p_vout->p_sys->agl_drawable = (AGLDrawable)val.i_int;
 623             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 624
 625             var_Get( p_vout->p_libvlc, "drawable-view-top", &val );
 626             viewBounds.top = val.i_int;
 627             var_Get( p_vout->p_libvlc, "drawable-view-left", &val );
 628             viewBounds.left = val.i_int;
 629             var_Get( p_vout->p_libvlc, "drawable-view-bottom", &val );
 630             viewBounds.bottom = val.i_int;
 631             var_Get( p_vout->p_libvlc, "drawable-view-right", &val );
 632             viewBounds.right = val.i_int;
 633             var_Get( p_vout->p_libvlc, "drawable-clip-top", &val );
 634             clipBounds.top = val.i_int;
 635             var_Get( p_vout->p_libvlc, "drawable-clip-left", &val );
 636             clipBounds.left = val.i_int;
 637             var_Get( p_vout->p_libvlc, "drawable-clip-bottom", &val );
 638             clipBounds.bottom = val.i_int;
 639             var_Get( p_vout->p_libvlc, "drawable-clip-right", &val );
 640             clipBounds.right = val.i_int;
 641
 642             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 643             aglSetViewport(p_vout, viewBounds, clipBounds);
 644
 645             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 646             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 647         }
 648         else
 649         {
 650             Rect deviceRect;
 651
 652             GDHandle deviceHdl = GetMainDevice();
 653             deviceRect = (*deviceHdl)->gdRect;
 654
 655             if( !p_vout->p_sys->theWindow )
 656             {
 657                 /* Create a window */
 658                 WindowAttributes    windowAttrs;
 659
 660                 windowAttrs = kWindowStandardDocumentAttributes
 661                             | kWindowStandardHandlerAttribute
 662                             | kWindowLiveResizeAttribute
 663                             | kWindowNoShadowAttribute;
 664
 665                 windowAttrs &= (~kWindowResizableAttribute);
 666
 667                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 668                 if( !p_vout->p_sys->winGroup )
 669                 {
 670                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 671                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 672                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 673                 }
 674
 675                 // Window title
 676                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 677                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 678                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 679                 CFRelease(titleKey);
 680                 CFRelease(windowTitle);
 681
 682                 //Install event handler
 683                 static const EventTypeSpec win_events[] = {
 684                     { kEventClassMouse, kEventMouseDown },
 685                     { kEventClassMouse, kEventMouseMoved },
 686                     { kEventClassMouse, kEventMouseUp },
 687                     { kEventClassWindow, kEventWindowClosed },
 688                     { kEventClassWindow, kEventWindowBoundsChanged },
 689                     { kEventClassCommand, kEventCommandProcess },
 690                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 691                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 692                 };
 693                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 694             }
 695             else
 696             {
 697                 /* just in case device resolution changed */
 698                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 699             }
 700             glClear( GL_COLOR_BUFFER_BIT );
 701             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 702             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 703             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 704             aglSetViewport(p_vout, deviceRect, deviceRect);
 705             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 706
 707             /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty update to the main thread */
 708             sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow), kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 709         }
 710         aglReshape(p_vout);
 711         aglUnlock( p_vout );
 712         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 713         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 714     }
 715     return VLC_SUCCESS;
 716 }
 717
 718 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 719 {
 720     switch( i_query )
 721     {
 722         case VOUT_SET_VIEWPORT:
 723         {
 724             Rect viewBounds, clipBounds;
 725             viewBounds.top = va_arg( args, int);
 726             viewBounds.left = va_arg( args, int);
 727             viewBounds.bottom = va_arg( args, int);
 728             viewBounds.right = va_arg( args, int);
 729             clipBounds.top = va_arg( args, int);
 730             clipBounds.left = va_arg( args, int);
 731             clipBounds.bottom = va_arg( args, int);
 732             clipBounds.right = va_arg( args, int);
 733
 734             if( !p_vout->b_fullscreen )
 735             {
 736                 /*
 737                 ** check that the clip rect is not empty, as this is used
 738                 ** by Firefox to prevent a plugin from displaying during
 739                 ** a scrolling event. In this case we just prevent buffers
 740                 ** from being swapped and ignore clipping as this is less
 741                 ** disruptive than a GL geometry change
 742                 */
 743
 744                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 745                                              || (clipBounds.left == clipBounds.right);
 746                 if( ! p_vout->p_sys->b_clipped_out )
 747                 {
 748                     /* ignore consecutive viewport update with identical parameters */
 749                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 750                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 751                     {
 752                         aglLock( p_vout );
 753                         aglSetViewport(p_vout, viewBounds, clipBounds);
 754                         aglReshape( p_vout );
 755                         aglUnlock( p_vout );
 756                         p_vout->p_sys->clipBounds = clipBounds;
 757                         p_vout->p_sys->viewBounds = viewBounds;
 758                     }
 759                 }
 760             }
 761             return VLC_SUCCESS;
 762         }
 763
 764         case VOUT_REDRAW_RECT:
 765         {
 766             vout_thread_t * p_parent;
 767             Rect areaBounds;
 768
 769             areaBounds.top = va_arg( args, int);
 770             areaBounds.left = va_arg( args, int);
 771             areaBounds.bottom = va_arg( args, int);
 772             areaBounds.right = va_arg( args, int);
 773
 774             /* Ask the opengl module to redraw */
 775             p_parent = (vout_thread_t *) p_vout->p_parent;
 776             if( p_parent && p_parent->pf_display )
 777             {
 778                 p_parent->pf_display( p_parent, NULL );
 779             }
 780             return VLC_SUCCESS;
 781         }
 782
 783         case VOUT_REPARENT:
 784         {
 785             AGLDrawable drawable = (AGLDrawable)va_arg( args, int);
 786             if( !p_vout->b_fullscreen && drawable != p_vout->p_sys->agl_drawable )
 787             {
 788                 p_vout->p_sys->agl_drawable = drawable;
 789                 aglSetDrawable(p_vout->p_sys->agl_ctx, drawable);
 790             }
 791             return VLC_SUCCESS;
 792         }
 793
 794         default:
 795             return vout_vaControlDefault( p_vout, i_query, args );
 796     }
 797 }
 798
 799 static void aglSwap( vout_thread_t * p_vout )
 800 {
 801     if( ! p_vout->p_sys->b_clipped_out )
 802     {
 803         p_vout->p_sys->b_got_frame = true;
 804         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 805     }
 806     else
 807     {
 808         /* drop frame */
 809         glFlush();
 810     }
 811 }
 812
 813 /* Enter this function with the p_vout locked */
 814 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 815 {
 816     // mozilla plugin provides coordinates based on port bounds
 817     // however AGL coordinates are based on window structure region
 818     // and are vertically flipped
 819     GLint rect[4];
 820     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 821     Rect winBounds, clientBounds;
 822
 823     GetWindowBounds(GetWindowFromPort(port),
 824         kWindowStructureRgn, &winBounds);
 825     GetWindowBounds(GetWindowFromPort(port),
 826         kWindowContentRgn, &clientBounds);
 827
 828     /* update video clipping bounds in drawable */
 829     rect[0] = (clientBounds.left-winBounds.left)
 830             + clipBounds.left;                  // from window left edge
 831     rect[1] = (winBounds.bottom-winBounds.top)
 832             - (clientBounds.top-winBounds.top)
 833             - clipBounds.bottom;                // from window bottom edge
 834     rect[2] = clipBounds.right-clipBounds.left; // width
 835     rect[3] = clipBounds.bottom-clipBounds.top; // height
 836     aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
 837     aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);
 838
 839     /* update video internal bounds in drawable */
 840     p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
 841     p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
 842     p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
 843     p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
 844                             - p_vout->p_sys->i_height;
 845
 846     aglUpdateContext(p_vout->p_sys->agl_ctx);
 847 }
 848
 849 //default window event handler
 850 static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
 851 {
 852     OSStatus result = noErr;
 853     UInt32 class = GetEventClass (event);
 854     UInt32 kind = GetEventKind (event);
 855     vout_thread_t *p_vout = (vout_thread_t *)userData;
 856
 857     result = CallNextEventHandler(nextHandler, event);
 858     if(class == kEventClassCommand)
 859     {
 860         HICommand theHICommand;
 861         GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 862
 863         switch ( theHICommand.commandID )
 864         {
 865             default:
 866                 result = eventNotHandledErr;
 867         }
 868     }
 869     else if(class == kEventClassWindow)
 870     {
 871         WindowRef     window;
 872         Rect          rectPort = {0,0,0,0};
 873
 874         GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);
 875
 876         if(window)
 877         {
 878             GetPortBounds(GetWindowPort(window), &rectPort);
 879         }
 880
 881         switch (kind)
 882         {
 883             case kEventWindowClosed:
 884             case kEventWindowZoomed:
 885             case kEventWindowBoundsChanged:
 886                 break;
 887
 888             default:
 889                 result = eventNotHandledErr;
 890         }
 891     }
 892     else if(class == kEventClassMouse)
 893     {
 894         switch (kind)
 895         {
 896             case kEventMouseDown:
 897             {
 898                 UInt16     button;
 899
 900                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 901                 switch (button)
 902                 {
 903                     case kEventMouseButtonPrimary:
 904                     {
 905                         vlc_value_t val;
 906
 907                         var_Get( p_vout, "mouse-button-down", &val );
 908                         val.i_int |= 1;
 909                         var_Set( p_vout, "mouse-button-down", val );
 910                         break;
 911                     }
 912                     case kEventMouseButtonSecondary:
 913                     {
 914                         vlc_value_t val;
 915
 916                         var_Get( p_vout, "mouse-button-down", &val );
 917                         val.i_int |= 2;
 918                         var_Set( p_vout, "mouse-button-down", val );
 919                         break;
 920                     }
 921                     case kEventMouseButtonTertiary:
 922                     {
 923                         vlc_value_t val;
 924
 925                         var_Get( p_vout, "mouse-button-down", &val );
 926                         val.i_int |= 4;
 927                         var_Set( p_vout, "mouse-button-down", val );
 928                         break;
 929                     }
 930                     default:
 931                         result = eventNotHandledErr;
 932                 }
 933                 break;
 934             }
 935
 936             case kEventMouseUp:
 937             {
 938                 UInt16     button;
 939
 940                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 941                 switch (button)
 942                 {
 943                     case kEventMouseButtonPrimary:
 944                     {
 945                         UInt32 clickCount = 0;
 946                         GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
 947                         if( clickCount > 1 )
 948                         {
 949                             vlc_value_t val;
 950
 951                             val.b_bool = false;
 952                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 953                         }
 954                         else
 955                         {
 956                             vlc_value_t val;
 957
 958                             var_SetBool( p_vout, "mouse-clicked", true );
 959
 960                             var_Get( p_vout, "mouse-button-down", &val );
 961                             val.i_int &= ~1;
 962                             var_Set( p_vout, "mouse-button-down", val );
 963                         }
 964                         break;
 965                     }
 966                     case kEventMouseButtonSecondary:
 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                     case kEventMouseButtonTertiary:
 976                     {
 977                         vlc_value_t val;
 978
 979                         var_Get( p_vout, "mouse-button-down", &val );
 980                         val.i_int &= ~2;
 981                         var_Set( p_vout, "mouse-button-down", val );
 982                         break;
 983                     }
 984                     default:
 985                         result = eventNotHandledErr;
 986                 }
 987                 break;
 988             }
 989
 990             case kEventMouseMoved:
 991             {
 992                 Point ml;
 993                 vlc_value_t val;
 994
 995                 unsigned int i_x, i_y;
 996                 unsigned int i_height = p_vout->p_sys->i_height;
 997                 unsigned int i_width  = p_vout->p_sys->i_width;
 998
 999                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
1000
1001                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
1002
1003                 val.i_int = ( ((int)ml.h) - i_x ) *
1004                             p_vout->render.i_width / i_width;
1005                 var_Set( p_vout, "mouse-x", val );
1006
1007                 val.i_int = ( ((int)ml.v) - i_y ) *
1008                             p_vout->render.i_height / i_height;
1009
1010                 var_Set( p_vout, "mouse-y", val );
1011
1012                 val.b_bool = true;
1013                 var_Set( p_vout, "mouse-moved", val );
1014
1015                 break;
1016             }
1017
1018             default:
1019                 result = eventNotHandledErr;
1020         }
1021     }
1022     else if(class == kEventClassTextInput)
1023     {
1024         switch (kind)
1025         {
1026             case kEventTextInputUnicodeForKeyEvent:
1027             {
1028                 break;
1029             }
1030             default:
1031                 result = eventNotHandledErr;
1032         }
1033     }
1034     else if(class == kEventClassVLCPlugin)
1035     {
1036         switch (kind)
1037         {
1038             case kEventVLCPluginShowFullscreen:
1039                 ShowWindow (p_vout->p_sys->theWindow);
1040                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1041                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1042                 break;
1043             case kEventVLCPluginHideFullscreen:
1044                 HideWindow (p_vout->p_sys->theWindow);
1045                 SetSystemUIMode( kUIModeNormal, 0);
1046                 CGDisplayShowCursor(kCGDirectMainDisplay);
1047                 break;
1048             default:
1049                 result = eventNotHandledErr;
1050                 break;
1051         }
1052     }
1053     return result;
1054 }
1055
1056 static int aglLock( vout_thread_t * p_vout )
1057 {
1058         /* get the underlying CGL context */
1059     CGLContextObj cglContext;
1060     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1061     {
1062         if( kCGLNoError == CGLLockContext( cglContext ) )
1063         {
1064             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1065             return 0;
1066         }
1067     }
1068     return 1;
1069 }
1070
1071 static void aglUnlock( vout_thread_t * p_vout )
1072 {
1073         /* get the underlying CGL context */
1074     CGLContextObj cglContext;
1075     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1076     {
1077         CGLUnlockContext( cglContext );
1078     }
1079 }
1080
1081