git.sesse.net Git - vlc/blob - modules/gui/qnx/vout.c

   1 /*****************************************************************************
   2  * vout.c: QNX RTOS video output display method
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 VideoLAN
   5  *
   6  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   7  *          Pascal Levesque <Pascal.Levesque@mindready.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <errno.h>                                                 /* ENOMEM */
  28 #include <stdlib.h>                                                /* free() */
  29 #include <string.h>                                            /* strerror() */
  30
  31 #include <photon/PtWidget.h>
  32 #include <photon/PtWindow.h>
  33 #include <photon/PtLabel.h>
  34 #include <photon/PdDirect.h>
  35
  36 #include <vlc/vlc.h>
  37 #include <vlc/intf.h>
  38 #include <vlc/vout.h>
  39
  40 /*****************************************************************************
  41  * vout_sys_t: video output QNX method descriptor
  42  *****************************************************************************
  43  * This structure is part of the video output thread descriptor.
  44  * It describes the QNX specific properties of an output thread. QNX video
  45  * output is performed through regular resizable windows. Windows can be
  46  * dynamically resized to adapt to the size of the streams.
  47  *****************************************************************************/
  48 #define MAX_DIRECTBUFFERS 2
  49
  50 #define MODE_NORMAL_MEM     0
  51 #define MODE_SHARED_MEM     1
  52 #define MODE_VIDEO_MEM      2
  53 #define MODE_VIDEO_OVERLAY  3
  54
  55 struct vout_sys_t
  56 {
  57     /* video mode */
  58     int                     i_mode;
  59
  60     /* internal stuff */
  61     PtWidget_t *            p_window;
  62
  63     /* Color palette for 8bpp */
  64     PgColor_t p_colors[255];
  65
  66     /* [shared] memory blit */
  67     int                     i_img_type;
  68
  69     /* video memory blit */
  70
  71     /* video overlay */
  72     PgVideoChannel_t *      p_channel;
  73     int                     i_vc_flags;
  74     int                     i_vc_format;
  75
  76     int                 i_screen_depth;
  77     int                 i_bytes_per_pixel;
  78     int                 i_bytes_per_line;
  79
  80     /* position & dimensions */
  81     PhPoint_t               pos;
  82     PhDim_t                 dim;
  83     PhPoint_t               old_pos;
  84     PhDim_t                 old_dim;
  85     PhDim_t                 screen_dim;
  86     PhRect_t                frame;
  87 };
  88
  89
  90 /*****************************************************************************
  91  * picture_sys_t: direct buffer method descriptor
  92  *****************************************************************************
  93  * This structure is part of the picture descriptor, it describes the
  94  * XVideo specific properties of a direct buffer.
  95  *****************************************************************************/
  96 struct picture_sys_t
  97 {
  98     /* [shared] memory blit */
  99     PhImage_t *             p_image;
 100
 101     /* video memory blit and video overlay */
 102     PdOffscreenContext_t *  p_ctx[3];   /* 0: y, 1: u, 2: v */
 103     char *                  p_buf[3];
 104 };
 105
 106
 107 /*****************************************************************************
 108  * Local prototypes
 109  *****************************************************************************/
 110 static int  QNXInit      ( vout_thread_t * );
 111 static void QNXEnd       ( vout_thread_t * );
 112 static int  QNXManage    ( vout_thread_t * );
 113 static void QNXDisplay   ( vout_thread_t *, picture_t * );
 114
 115 static int  QNXInitDisplay ( vout_thread_t * );
 116 static int  QNXCreateWnd   ( vout_thread_t * );
 117 static int  QNXDestroyWnd  ( vout_thread_t * );
 118
 119 static int  NewPicture     ( vout_thread_t *, picture_t *, int );
 120 static void FreePicture    ( vout_thread_t *, picture_t * );
 121 static int  ResizeOverlayOutput ( vout_thread_t * );
 122 static void SetPalette     ( vout_thread_t *, u16 *, u16 *, u16 * );
 123
 124 /*****************************************************************************
 125  * OpenVideo: allocate QNX video thread output method
 126  *****************************************************************************
 127  * This function allocate and initialize a QNX vout method. It uses some of the
 128  * vout properties to choose the window size, and change them according to the
 129  * actual properties of the display.
 130  *****************************************************************************/
 131 int E_(OpenVideo) ( vlc_object_t *p_this )
 132 {
 133     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 134
 135     /* init connection to photon */
 136     if( PtInit( "/dev/photon" ) != 0 )
 137     {
 138         msg_Err( p_vout, "unable to connect to photon" );
 139         return( 1 );
 140     }
 141
 142     /* allocate structure */
 143     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 144     if( p_vout->p_sys == NULL )
 145     {
 146         msg_Err( p_vout, "out of memory" );
 147         return( 1 );
 148     }
 149
 150     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 151
 152     p_vout->b_fullscreen = config_GetInt( p_vout, "fullscreen" );
 153     p_vout->p_sys->i_mode = config_GetInt( p_vout, "overlay" ) ?
 154                                 MODE_VIDEO_OVERLAY : MODE_VIDEO_MEM;
 155     p_vout->p_sys->dim.w = p_vout->i_window_width;
 156     p_vout->p_sys->dim.h = p_vout->i_window_height;
 157
 158     /* init display and create window */
 159     if( QNXInitDisplay( p_vout ) || QNXCreateWnd( p_vout ) )
 160     {
 161         free( p_vout->p_sys );
 162         return( 1 );
 163     }
 164
 165     p_vout->pf_init = QNXInit;
 166     p_vout->pf_end = QNXEnd;
 167     p_vout->pf_manage = QNXManage;
 168     p_vout->pf_render = NULL;
 169     p_vout->pf_display = QNXDisplay;
 170
 171     return( 0 );
 172 }
 173
 174 /*****************************************************************************
 175  * QNXInit: initialize QNX video thread output method
 176  *****************************************************************************
 177  * This function create the buffers needed by the output thread. It is called
 178  * at the beginning of the thread, but also each time the window is resized.
 179  *****************************************************************************/
 180 static int QNXInit( vout_thread_t *p_vout )
 181 {
 182     int i_index;
 183     picture_t *p_pic;
 184
 185     I_OUTPUTPICTURES = 0;
 186
 187     switch( p_vout->p_sys->i_mode )
 188     {
 189     case MODE_NORMAL_MEM:
 190     case MODE_SHARED_MEM:
 191         p_vout->output.i_width = p_vout->p_sys->dim.w;
 192         p_vout->output.i_height = p_vout->p_sys->dim.h;
 193
 194         /* Assume we have square pixels */
 195         p_vout->output.i_aspect = p_vout->p_sys->dim.w
 196                                * VOUT_ASPECT_FACTOR / p_vout->p_sys->dim.h;
 197         break;
 198
 199     case MODE_VIDEO_MEM:
 200         p_vout->output.i_width = p_vout->p_sys->dim.w;
 201         p_vout->output.i_height = p_vout->p_sys->dim.h;
 202
 203         /* Assume we have square pixels */
 204         p_vout->output.i_aspect = p_vout->p_sys->dim.w
 205                                * VOUT_ASPECT_FACTOR / p_vout->p_sys->dim.h;
 206         break;
 207
 208     case MODE_VIDEO_OVERLAY:
 209         p_vout->output.i_width  = p_vout->render.i_width;
 210         p_vout->output.i_height = p_vout->render.i_height;
 211         p_vout->output.i_aspect = p_vout->render.i_aspect;
 212
 213         if (ResizeOverlayOutput(p_vout))
 214         {
 215             return (1);
 216         }
 217         break;
 218
 219     default:
 220         /* This shouldn't happen ! */
 221         break;
 222     }
 223
 224     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 225     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 226     {
 227         p_pic = NULL;
 228
 229         /* Find an empty picture slot */
 230         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 231         {
 232             if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 233             {
 234                 p_pic = p_vout->p_picture + i_index;
 235                 break;
 236             }
 237         }
 238
 239         /* Allocate the picture */
 240         if( p_pic == NULL || NewPicture( p_vout, p_pic, I_OUTPUTPICTURES ) )
 241         {
 242             break;
 243         }
 244
 245         p_pic->i_status = DESTROYED_PICTURE;
 246         p_pic->i_type   = DIRECT_PICTURE;
 247
 248         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 249
 250         I_OUTPUTPICTURES++;
 251     }
 252
 253     return( 0 );
 254 }
 255
 256 /*****************************************************************************
 257  * QNXEnd: terminate QNX video thread output method
 258  *****************************************************************************
 259  * Destroy the buffers created by QNXInit. It is called at the end of
 260  * the thread, but also each time the window is resized.
 261  *****************************************************************************/
 262 static void QNXEnd( vout_thread_t *p_vout )
 263 {
 264     int i_index;
 265
 266     /* Free the direct buffers we allocated */
 267     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 268     {
 269         i_index--;
 270         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 271     }
 272 }
 273
 274 /*****************************************************************************
 275  * CloseVideo: destroy QNX video thread output method
 276  *****************************************************************************
 277  * Terminate an output method created by QNXCreate
 278  *****************************************************************************/
 279 void E_(CloseVideo) ( vlc_object_t *p_this )
 280 {
 281     vout_thread_t * p_vout = (vout_thread_t *)p_this;
 282
 283     /* destroy the window */
 284     QNXDestroyWnd( p_vout );
 285
 286     /* destroy structure */
 287     free( p_vout->p_sys );
 288 }
 289
 290 /*****************************************************************************
 291  * QNXManage: handle QNX events
 292  *****************************************************************************
 293  * This function should be called regularly by video output thread. It allows
 294  * window resizing. It returns a non null value on error.
 295  *****************************************************************************/
 296 static int QNXManage( vout_thread_t *p_vout )
 297 {
 298     int i_ev,  i_buflen;
 299     PhEvent_t *p_event;
 300     vlc_bool_t b_repos = 0;
 301
 302     if (p_vout->b_die == 1)
 303     {
 304         return ( 0 );
 305     }
 306
 307     /* allocate buffer for event */
 308     i_buflen = sizeof( PhEvent_t ) * 4;
 309     if( ( p_event = malloc( i_buflen ) ) == NULL )
 310     {
 311         msg_Err( p_vout, "out of memory" );
 312         return( 1 );
 313     }
 314
 315     /* event loop */
 316     do
 317     {
 318         memset( p_event, 0, i_buflen );
 319         i_ev = PhEventPeek( p_event, i_buflen );
 320
 321         if( i_ev == Ph_RESIZE_MSG )
 322         {
 323             i_buflen = PhGetMsgSize( p_event );
 324             if( ( p_event = realloc( p_event, i_buflen ) ) == NULL )
 325             {
 326                 msg_Err( p_vout, "out of memory" );
 327                 return( 1 );
 328             }
 329         }
 330         else if( i_ev == Ph_EVENT_MSG )
 331         {
 332             PtEventHandler( p_event );
 333
 334             if( p_event->type == Ph_EV_WM )
 335             {
 336                 PhWindowEvent_t *p_ev = PhGetData( p_event );
 337
 338                 switch( p_ev->event_f )
 339                 {
 340                 case Ph_WM_CLOSE:
 341                     p_vout->p_vlc->b_die = 1;
 342                     break;
 343
 344                 case Ph_WM_MOVE:
 345                     p_vout->p_sys->pos.x = p_ev->pos.x;
 346                     p_vout->p_sys->pos.y = p_ev->pos.y;
 347                     b_repos = 1;
 348                     break;
 349
 350                 case Ph_WM_RESIZE:
 351                     p_vout->p_sys->old_dim.w = p_vout->p_sys->dim.w;
 352                     p_vout->p_sys->old_dim.h = p_vout->p_sys->dim.h;
 353                     p_vout->p_sys->dim.w = p_ev->size.w;
 354                     p_vout->p_sys->dim.h = p_ev->size.h;
 355                     p_vout->i_changes |= VOUT_SIZE_CHANGE;
 356                     break;
 357                 }
 358             }
 359             else if( p_event->type == Ph_EV_KEY )
 360             {
 361                 PhKeyEvent_t *p_ev = PhGetData( p_event );
 362                 long i_key = p_ev->key_sym;
 363
 364                 if( ( p_ev->key_flags & Pk_KF_Key_Down ) &&
 365                     ( p_ev->key_flags & Pk_KF_Sym_Valid ) )
 366                 {
 367                     switch( i_key )
 368                     {
 369                     case Pk_q:
 370                     case Pk_Q:
 371                         p_vout->p_vlc->b_die = 1;
 372                         break;
 373
 374                     case Pk_f:
 375                     case Pk_F:
 376                         p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 377                         break;
 378
 379                     case Pk_c:
 380                     case Pk_C:
 381                         p_vout->b_grayscale = ! p_vout->b_grayscale;
 382                         p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
 383                         break;
 384
 385                     default:
 386                         if( i_key >= Pk_0 && i_key <= Pk_9 )
 387                         {
 388 //                            network_ChannelJoin( i_key );
 389                         }
 390                         break;
 391                     }
 392                 }
 393             }
 394         }
 395     } while( i_ev != -1 && i_ev != 0 );
 396
 397     free( p_event );
 398
 399     /*
 400      * fullscreen
 401      */
 402     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 403     {
 404         PhDim_t dim;
 405
 406         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 407         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 408
 409         if( p_vout->b_fullscreen )
 410         {
 411             p_vout->p_sys->old_pos.x = p_vout->p_sys->pos.x;
 412             p_vout->p_sys->old_pos.y = p_vout->p_sys->pos.y;
 413             p_vout->p_sys->pos.x = p_vout->p_sys->pos.y = 0;
 414             dim.w = p_vout->p_sys->screen_dim.w + 1;
 415             dim.h = p_vout->p_sys->screen_dim.h + 1;
 416         }
 417         else
 418         {
 419             p_vout->p_sys->pos.x = p_vout->p_sys->old_pos.x;
 420             p_vout->p_sys->pos.y = p_vout->p_sys->old_pos.y;
 421             dim.w = p_vout->p_sys->old_dim.w + 1;
 422             dim.h = p_vout->p_sys->old_dim.h + 1;
 423         }
 424
 425         /* modify render flags, border */
 426         PtSetResource( p_vout->p_sys->p_window,
 427             Pt_ARG_WINDOW_RENDER_FLAGS,
 428             p_vout->b_fullscreen ? Pt_FALSE : Pt_TRUE,
 429             Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE );
 430
 431         /* set position and dimension */
 432         PtSetResource( p_vout->p_sys->p_window,
 433                        Pt_ARG_POS, &p_vout->p_sys->pos, 0 );
 434         PtSetResource( p_vout->p_sys->p_window,
 435                        Pt_ARG_DIM, &dim, 0 );
 436
 437         /* mark as damaged to force redraw */
 438         PtDamageWidget( p_vout->p_sys->p_window );
 439     }
 440
 441     /*
 442      * size change
 443      */
 444     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 445     {
 446         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 447
 448         if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 449         {
 450             ResizeOverlayOutput(p_vout);
 451         }
 452 #if 0
 453         else
 454         {
 455             p_vout->output.i_width = p_vout->p_sys->dim.w;
 456             p_vout->output.i_height = p_vout->p_sys->dim.h;
 457             p_vout->i_changes |= VOUT_YUV_CHANGE;
 458
 459             QNXEnd( p_vout );
 460             if( QNXInit( p_vout ) )
 461             {
 462                 msg_Err( p_vout, "cannot resize display" );
 463                 return( 1 );
 464             }
 465         }
 466 #endif
 467
 468         msg_Dbg( p_vout, "video display resized (%dx%d)",
 469                          p_vout->p_sys->dim.w, p_vout->p_sys->dim.h );
 470     }
 471
 472     /*
 473      * position change, move video channel
 474      */
 475     if( b_repos && p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 476     {
 477         ResizeOverlayOutput(p_vout);
 478     }
 479
 480     return( i_ev == -1 );
 481 }
 482
 483 /*****************************************************************************
 484  * QNXDisplay: displays previously rendered output
 485  *****************************************************************************
 486  * This function send the currently rendered image to QNX server, wait until
 487  * it is displayed and switch the two rendering buffer, preparing next frame.
 488  *****************************************************************************/
 489 static void QNXDisplay( vout_thread_t *p_vout, picture_t *p_pic )
 490 {
 491     if( p_vout->p_sys->i_mode == MODE_NORMAL_MEM ||
 492         p_vout->p_sys->i_mode == MODE_SHARED_MEM )
 493     {
 494         PhPoint_t pos = { 0, 0 };
 495
 496         PgSetRegion( PtWidgetRid( p_vout->p_sys->p_window ) );
 497         if (p_vout->p_sys->i_screen_depth == 8)
 498         {
 499             PgSetPalette( p_vout->p_sys->p_colors, 0, 0, 255, Pg_PALSET_SOFT, 0);
 500         }
 501         PgDrawPhImagemx( &pos, p_pic->p_sys->p_image, 0 );
 502         PgFlush();
 503     }
 504     else if( p_vout->p_sys->i_mode == MODE_VIDEO_MEM )
 505     {
 506         PhRect_t rc = { { 0, 0 }, { p_vout->output.i_width, p_vout->output.i_height } };
 507
 508 //        PgSetRegion( PtWidgetRid ( p_vout->p_sys->p_window ) );
 509         PgContextBlit( p_pic->p_sys->p_ctx[0], &rc, NULL, &rc );
 510         PgFlush();
 511     }
 512 }
 513
 514 /*****************************************************************************
 515  * QNXInitDisplay: check screen resolution, depth, amount of video ram, etc
 516  *****************************************************************************/
 517 static int QNXInitDisplay( vout_thread_t * p_vout )
 518 {
 519     PgHWCaps_t hwcaps;
 520     PgDisplaySettings_t cfg;
 521     PgVideoModeInfo_t minfo;
 522
 523     /* get graphics card hw capabilities */
 524     if( PgGetGraphicsHWCaps( &hwcaps ) != 0 )
 525     {
 526         msg_Err( p_vout, "unable to get gfx card capabilities" );
 527         return( 1 );
 528     }
 529
 530     /* get current video mode */
 531     if( PgGetVideoMode( &cfg ) != 0 )
 532     {
 533         msg_Err( p_vout, "unable to get current video mode" );
 534         return( 1 );
 535     }
 536
 537     /* get video mode info */
 538     if( PgGetVideoModeInfo( cfg.mode, &minfo ) != 0 )
 539     {
 540         msg_Err( p_vout, "unable to get info for video mode" );
 541         return( 1 );
 542     }
 543
 544     /* switch to normal mode if no overlay support */
 545 //    printf("minfo.mode_capabilities1: 0x%x\n", minfo.mode_capabilities1);
 546
 547     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY &&
 548         !( minfo.mode_capabilities1 & PgVM_MODE_CAP1_VIDEO_OVERLAY ) )
 549     {
 550         msg_Err( p_vout, "no overlay support detected" );
 551         p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
 552     }
 553
 554     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 555     {
 556         int i = 0;
 557         PgScalerCaps_t vcaps;
 558
 559         if( ( p_vout->p_sys->p_channel =
 560             PgCreateVideoChannel( Pg_VIDEO_CHANNEL_SCALER, 0 ) ) == NULL )
 561         {
 562             msg_Err( p_vout, "unable to create video channel" );
 563             printf("errno = %d\n", errno);
 564             p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
 565         }
 566         else
 567         {
 568             vcaps.size = sizeof( vcaps );
 569             while( PgGetScalerCapabilities( p_vout->p_sys->p_channel,
 570                                             i++, &vcaps ) == 0 )
 571             {
 572                 printf("vcaps.format = 0x%x\n", vcaps.format);
 573                 if( vcaps.format == Pg_VIDEO_FORMAT_YV12 ||
 574                     vcaps.format == Pg_VIDEO_FORMAT_YUV420 ||
 575                     vcaps.format == Pg_VIDEO_FORMAT_YUY2 ||
 576                     vcaps.format == Pg_VIDEO_FORMAT_UYVY ||
 577                     vcaps.format == Pg_VIDEO_FORMAT_RGB555 ||
 578                     vcaps.format == Pg_VIDEO_FORMAT_RGB565 ||
 579                     vcaps.format == Pg_VIDEO_FORMAT_RGB8888 )
 580                 {
 581                     p_vout->p_sys->i_vc_flags  = vcaps.flags;
 582                     p_vout->p_sys->i_vc_format = vcaps.format;
 583                 }
 584
 585                 vcaps.size = sizeof( vcaps );
 586             }
 587
 588             if( p_vout->p_sys->i_vc_format == 0 )
 589             {
 590                 msg_Warn( p_vout, "need YV12, YUY2 or RGB8888 overlay" );
 591
 592                 p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
 593             }
 594         }
 595     }
 596
 597     /* use video ram if we have enough available */
 598     if( p_vout->p_sys->i_mode == MODE_NORMAL_MEM &&
 599         (minfo.bits_per_pixel != 8) &&
 600         hwcaps.currently_available_video_ram >=
 601         ( ( minfo.width * minfo.height * minfo.bits_per_pixel * MAX_DIRECTBUFFERS) / 8 ) )
 602     {
 603         p_vout->p_sys->i_mode = MODE_VIDEO_MEM;
 604         printf("Using video memory...\n");
 605     }
 606
 607     p_vout->p_sys->i_img_type = minfo.type;
 608     p_vout->p_sys->screen_dim.w = minfo.width;
 609     p_vout->p_sys->screen_dim.h = minfo.height;
 610     p_vout->p_sys->i_screen_depth = minfo.bits_per_pixel;
 611
 612     switch( p_vout->p_sys->i_screen_depth )
 613     {
 614         case 8:
 615             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
 616             p_vout->p_sys->i_bytes_per_pixel = 1;
 617             p_vout->output.pf_setpalette = SetPalette;
 618             break;
 619
 620         case 15:
 621             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
 622             p_vout->p_sys->i_bytes_per_pixel = 2;
 623             p_vout->output.i_rmask = 0x7c00;
 624             p_vout->output.i_gmask = 0x03e0;
 625             p_vout->output.i_bmask = 0x001f;
 626             break;
 627
 628         case 16:
 629             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
 630             p_vout->p_sys->i_bytes_per_pixel = 2;
 631             p_vout->output.i_rmask = 0xf800;
 632             p_vout->output.i_gmask = 0x07e0;
 633             p_vout->output.i_bmask = 0x001f;
 634             break;
 635
 636         case 24:
 637             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
 638             p_vout->p_sys->i_bytes_per_pixel = 3;
 639             p_vout->output.i_rmask = 0xff0000;
 640             p_vout->output.i_gmask = 0x00ff00;
 641             p_vout->output.i_bmask = 0x0000ff;
 642             break;
 643
 644         case 32:
 645         default:
 646             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
 647             p_vout->p_sys->i_bytes_per_pixel = 4;
 648             p_vout->output.i_rmask = 0xff0000;
 649             p_vout->output.i_gmask = 0x00ff00;
 650             p_vout->output.i_bmask = 0x0000ff;
 651             break;
 652     }
 653
 654     return( 0 );
 655 }
 656
 657 /*****************************************************************************
 658  * QNXCreateWnd: create and realize the main window
 659  *****************************************************************************/
 660 static int QNXCreateWnd( vout_thread_t * p_vout )
 661 {
 662     PtArg_t args[8];
 663     PhPoint_t pos = { 0, 0 };
 664     PgColor_t color = Pg_BLACK;
 665
 666     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 667     {
 668         if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
 669         {
 670             color = PgGetOverlayChromaColor();
 671         }
 672     }
 673
 674     /* fullscreen, set dimension */
 675     if( p_vout->b_fullscreen )
 676     {
 677         p_vout->p_sys->old_dim.w = p_vout->p_sys->dim.w;
 678         p_vout->p_sys->old_dim.h = p_vout->p_sys->dim.h;
 679         p_vout->output.i_width = p_vout->p_sys->dim.w = p_vout->p_sys->screen_dim.w;
 680         p_vout->output.i_height = p_vout->p_sys->dim.h = p_vout->p_sys->screen_dim.h;
 681     }
 682
 683     /* set window parameters */
 684     PtSetArg( &args[0], Pt_ARG_POS, &pos, 0 );
 685     PtSetArg( &args[1], Pt_ARG_DIM, &p_vout->p_sys->dim, 0 );
 686     PtSetArg( &args[2], Pt_ARG_FILL_COLOR, color, 0 );
 687     PtSetArg( &args[3], Pt_ARG_WINDOW_TITLE, "VideoLan Client", 0 );
 688     PtSetArg( &args[4], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_CLOSE );
 689     PtSetArg( &args[5], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
 690               Ph_WM_MOVE | Ph_WM_RESIZE | Ph_WM_CLOSE );
 691     PtSetArg( &args[6], Pt_ARG_WINDOW_RENDER_FLAGS,
 692               p_vout->b_fullscreen ? Pt_FALSE : Pt_TRUE,
 693               Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE );
 694
 695     /* create window */
 696     p_vout->p_sys->p_window = PtCreateWidget( PtWindow, Pt_NO_PARENT, 7, args);
 697     if( p_vout->p_sys->p_window == NULL )
 698     {
 699         msg_Err( p_vout, "unable to create window" );
 700         return( 1 );
 701     }
 702
 703     /* realize the window widget */
 704     if( PtRealizeWidget( p_vout->p_sys->p_window ) != 0 )
 705     {
 706         msg_Err( p_vout, "unable to realize window widget" );
 707         PtDestroyWidget( p_vout->p_sys->p_window );
 708         return( 1 );
 709     }
 710
 711     /* get window frame size */
 712     if( PtWindowFrameSize( NULL, p_vout->p_sys->p_window,
 713                            &p_vout->p_sys->frame ) != 0 )
 714     {
 715         msg_Err( p_vout, "unable to get window frame size" );
 716         PtDestroyWidget( p_vout->p_sys->p_window );
 717         return( 1 );
 718     }
 719
 720     return( 0 );
 721 }
 722
 723 /*****************************************************************************
 724  * QNXDestroyWnd: unrealize and destroy the main window
 725  *****************************************************************************/
 726 static int QNXDestroyWnd( vout_thread_t * p_vout )
 727 {
 728     /* destroy the window widget */
 729     PtUnrealizeWidget( p_vout->p_sys->p_window );
 730 //    PtDestroyWidget( p_vout->p_sys->p_window );
 731
 732     /* destroy video channel */
 733     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 734     {
 735         PgDestroyVideoChannel( p_vout->p_sys->p_channel );
 736     }
 737
 738     return( 0 );
 739 }
 740
 741
 742 /*****************************************************************************
 743  * NewPicture: allocate a picture
 744  *****************************************************************************
 745  * Returns 0 on success, -1 otherwise
 746  *****************************************************************************/
 747 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic, int index )
 748 {
 749     /* We know the chroma, allocate a buffer which will be used
 750      * directly by the decoder */
 751     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
 752
 753     if( p_pic->p_sys == NULL )
 754     {
 755         return -1;
 756     }
 757
 758     switch( p_vout->p_sys->i_mode )
 759     {
 760     case MODE_NORMAL_MEM:
 761     case MODE_SHARED_MEM:
 762         /* create images for [shared] memory blit */
 763         if( !( p_pic->p_sys->p_image = PhCreateImage( NULL,
 764                     p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
 765                     p_vout->p_sys->i_img_type, NULL, 0,
 766                     p_vout->p_sys->i_mode == MODE_SHARED_MEM ) ) ) {
 767             msg_Err( p_vout, "cannot create image" );
 768             free( p_pic->p_sys );
 769             return( -1 );
 770         }
 771
 772         p_pic->p->p_pixels = p_pic->p_sys->p_image->image;
 773         p_pic->p->i_lines = p_pic->p_sys->p_image->size.h;
 774         p_pic->p->i_pitch = p_pic->p_sys->p_image->bpl;
 775         p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 776         p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
 777                                      * p_pic->p_sys->p_image->size.w;
 778         p_pic->i_planes = 1;
 779         break;
 780
 781     case MODE_VIDEO_MEM:
 782         /* create offscreen contexts for video memory blit */
 783         if( ( p_pic->p_sys->p_ctx[0] = PdCreateOffscreenContext( 0,
 784                         p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
 785                        Pg_OSC_MEM_PAGE_ALIGN) ) == NULL )
 786         {
 787             msg_Err( p_vout, "unable to create offscreen context" );
 788             free( p_pic->p_sys );
 789             return( -1 );
 790         }
 791
 792         /* get context pointers */
 793         if( (  p_pic->p_sys->p_buf[0] =
 794             PdGetOffscreenContextPtr ( p_pic->p_sys->p_ctx[0] ) ) == NULL )
 795         {
 796             msg_Err( p_vout, "unable to get offscreen context ptr" );
 797             PhDCRelease ( p_pic->p_sys->p_ctx[0] );
 798             p_pic->p_sys->p_ctx[0] = NULL;
 799             free( p_pic->p_sys );
 800             return( -1 );
 801         }
 802
 803         p_vout->p_sys->i_bytes_per_line = p_pic->p_sys->p_ctx[0]->pitch;
 804         memset( p_pic->p_sys->p_buf[0], 0,
 805             p_vout->p_sys->i_bytes_per_line * p_vout->p_sys->dim.h );
 806
 807         p_pic->p->p_pixels = p_pic->p_sys->p_buf[0];
 808         p_pic->p->i_lines = p_pic->p_sys->p_ctx[0]->dim.h;
 809         p_pic->p->i_pitch = p_pic->p_sys->p_ctx[0]->pitch;
 810         p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 811         p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
 812                                      * p_pic->p_sys->p_ctx[0]->dim.w;
 813         p_pic->i_planes = 1;
 814         break;
 815
 816     case MODE_VIDEO_OVERLAY:
 817         if (index == 0)
 818         {
 819             p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane1;
 820             p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane1;
 821             p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane1;
 822         }
 823         else
 824         {
 825             p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane2;
 826             p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane2;
 827             p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane2;
 828         }
 829
 830         p_pic->p_sys->p_buf[Y_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[Y_PLANE] );
 831         if( p_pic->p_sys->p_buf[Y_PLANE] == NULL )
 832         {
 833             msg_Err( p_vout, "unable to get video channel ctx ptr" );
 834             return( 1 );
 835         }
 836
 837         switch (p_vout->p_sys->i_vc_format)
 838         {
 839             case Pg_VIDEO_FORMAT_YUV420:
 840                 p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 841
 842                 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
 843                 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
 844
 845                 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
 846                     p_pic->p_sys->p_buf[V_PLANE] == NULL )
 847                 {
 848                     msg_Err( p_vout, "unable to get video channel ctx ptr" );
 849                     return( 1 );
 850                 }
 851
 852                 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
 853                 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 854                 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 855                 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
 856                 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
 857
 858                 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
 859                 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 860                 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
 861                 p_pic->p[U_PLANE].i_pixel_pitch = 1;
 862                 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
 863
 864                 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
 865                 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 866                 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
 867                 p_pic->p[V_PLANE].i_pixel_pitch = 1;
 868                 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
 869
 870                 p_pic->i_planes = 3;
 871                 break;
 872
 873             case Pg_VIDEO_FORMAT_YV12:
 874                 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
 875
 876                 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
 877                 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
 878
 879                 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
 880                     p_pic->p_sys->p_buf[V_PLANE] == NULL )
 881                 {
 882                     msg_Err( p_vout, "unable to get video channel ctx ptr" );
 883                     return( 1 );
 884                 }
 885
 886                 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
 887                 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 888                 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 889                 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
 890                 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
 891
 892                 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
 893                 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 894                 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
 895                 p_pic->p[U_PLANE].i_pixel_pitch = 1;
 896                 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
 897
 898                 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
 899                 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 900                 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
 901                 p_pic->p[V_PLANE].i_pixel_pitch = 1;
 902                 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
 903
 904                 p_pic->i_planes = 3;
 905                 break;
 906
 907             case Pg_VIDEO_FORMAT_UYVY:
 908             case Pg_VIDEO_FORMAT_YUY2:
 909                 if (p_vout->p_sys->i_vc_format == Pg_VIDEO_FORMAT_UYVY)
 910                 {
 911                     p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
 912                 }
 913                 else
 914                 {
 915                     p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
 916                 }
 917
 918                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 919                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 920                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 921                 p_pic->p->i_pixel_pitch = 4;
 922                 p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
 923
 924                 p_pic->i_planes = 1;
 925                 break;
 926
 927             case Pg_VIDEO_FORMAT_RGB555:
 928                 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
 929                 p_vout->output.i_rmask = 0x001f;
 930                 p_vout->output.i_gmask = 0x03e0;
 931                 p_vout->output.i_bmask = 0x7c00;
 932
 933                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 934                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 935                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 936                 p_pic->p->i_pixel_pitch = 2;
 937                 p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 938
 939                 p_pic->i_planes = 1;
 940                 break;
 941
 942             case Pg_VIDEO_FORMAT_RGB565:
 943                 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
 944                 p_vout->output.i_rmask = 0x001f;
 945                 p_vout->output.i_gmask = 0x07e0;
 946                 p_vout->output.i_bmask = 0xf800;
 947
 948                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 949                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 950                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 951                 p_pic->p->i_pixel_pitch = 4;
 952                 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 953
 954                 p_pic->i_planes = 1;
 955                 break;
 956
 957             case Pg_VIDEO_FORMAT_RGB8888:
 958                 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
 959                 p_vout->output.i_rmask = 0x000000ff;
 960                 p_vout->output.i_gmask = 0x0000ff00;
 961                 p_vout->output.i_bmask = 0x00ff0000;
 962
 963                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 964                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 965                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 966                 p_pic->p->i_pixel_pitch = 4;
 967                 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 968
 969                 p_pic->i_planes = 1;
 970                 break;
 971         }
 972
 973 #if 0
 974     switch( p_vout->output.i_chroma )
 975     {
 976 #ifdef MODULE_NAME_IS_xvideo
 977         case VLC_FOURCC('Y','2','1','1'):
 978
 979             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
 980                                   + p_pic->p_sys->p_image->offsets[0];
 981             p_pic->p->i_lines = p_vout->output.i_height;
 982             /* XXX: this just looks so plain wrong... check it out ! */
 983             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
 984             p_pic->p->i_pixel_pitch = 4;
 985             p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
 986
 987             p_pic->i_planes = 1;
 988             break;
 989 #endif
 990
 991 #endif
 992
 993     default:
 994         /* This shouldn't happen ! */
 995         break;
 996     }
 997
 998     return 0;
 999 }
1000
1001 /*****************************************************************************
1002  * FreePicture: destroy a picture allocated with NewPicture
1003  *****************************************************************************
1004  * Destroy XImage AND associated data. If using Shm, detach shared memory
1005  * segment from server and process, then free it. The XDestroyImage manpage
1006  * says that both the image structure _and_ the data pointed to by the
1007  * image structure are freed, so no need to free p_image->data.
1008  *****************************************************************************/
1009 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1010 {
1011     if( ( p_vout->p_sys->i_mode == MODE_NORMAL_MEM ||
1012         p_vout->p_sys->i_mode == MODE_SHARED_MEM ) &&
1013         p_pic->p_sys->p_image )
1014     {
1015         PhReleaseImage( p_pic->p_sys->p_image );
1016         free( p_pic->p_sys->p_image );
1017     }
1018     else if( p_vout->p_sys->i_mode == MODE_VIDEO_MEM &&
1019              p_pic->p_sys->p_ctx[0] )
1020     {
1021         PhDCRelease( p_pic->p_sys->p_ctx[0] );
1022     }
1023
1024     free( p_pic->p_sys );
1025 }
1026
1027
1028 static int ResizeOverlayOutput(vout_thread_t *p_vout)
1029 {
1030     int i_width, i_height, i_x, i_y;
1031     int i_ret;
1032     PgScalerProps_t props;
1033
1034     props.size   = sizeof( props );
1035     props.format = p_vout->p_sys->i_vc_format;
1036     props.flags  = Pg_SCALER_PROP_SCALER_ENABLE |
1037                           Pg_SCALER_PROP_DOUBLE_BUFFER;
1038
1039     /* enable chroma keying if available */
1040     if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
1041     {
1042         props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE;
1043     }
1044
1045     /* set viewport position */
1046     props.viewport.ul.x = p_vout->p_sys->pos.x;
1047     props.viewport.ul.y = p_vout->p_sys->pos.y;
1048     if( !p_vout->b_fullscreen )
1049     {
1050         props.viewport.ul.x += p_vout->p_sys->frame.ul.x;
1051         props.viewport.ul.y += p_vout->p_sys->frame.ul.y;
1052     }
1053
1054     /* set viewport dimension */
1055     vout_PlacePicture( p_vout, p_vout->p_sys->dim.w,
1056                            p_vout->p_sys->dim.h,
1057                            &i_x, &i_y, &i_width, &i_height );
1058
1059     props.viewport.ul.x += i_x;
1060     props.viewport.ul.y += i_y;
1061     props.viewport.lr.x = i_width + props.viewport.ul.x;
1062     props.viewport.lr.y = i_height + props.viewport.ul.y;
1063
1064     /* set source dimension */
1065     props.src_dim.w = p_vout->output.i_width;
1066     props.src_dim.h = p_vout->output.i_height;
1067
1068     /* configure scaler channel */
1069     i_ret = PgConfigScalerChannel( p_vout->p_sys->p_channel, &props );
1070
1071     if( i_ret == -1 )
1072     {
1073         msg_Err( p_vout, "unable to configure video channel" );
1074         return( 1 );
1075     }
1076
1077     return ( 0 );
1078 }
1079
1080
1081 /*****************************************************************************
1082  * SetPalette: sets an 8 bpp palette
1083  *****************************************************************************
1084  * This function sets the palette given as an argument. It does not return
1085  * anything, but could later send information on which colors it was unable
1086  * to set.
1087  *****************************************************************************/
1088 static void SetPalette( vout_thread_t *p_vout, u16 *red, u16 *green, u16 *blue )
1089 {
1090     int i;
1091
1092     /* allocate palette */
1093     for( i = 0; i < 255; i++ )
1094     {
1095         /* kludge: colors are indexed reversely because color 255 seems
1096          * to be reserved for black even if we try to set it to white */
1097         p_vout->p_sys->p_colors[ i ] = PgRGB( red[ i ] >> 8, green[ i ] >> 8, blue[ i ] >> 8 );
1098     }
1099 }