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     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 545     {
 546         int i = 0;
 547         PgScalerCaps_t vcaps;
 548
 549         if( ( p_vout->p_sys->p_channel =
 550             PgCreateVideoChannel( Pg_VIDEO_CHANNEL_SCALER, 0 ) ) == NULL )
 551         {
 552             msg_Err( p_vout, "unable to create video channel" );
 553             printf("errno = %d\n", errno);
 554             p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
 555         }
 556         else
 557         {
 558             vcaps.size = sizeof( vcaps );
 559             while( PgGetScalerCapabilities( p_vout->p_sys->p_channel,
 560                                             i++, &vcaps ) == 0 )
 561             {
 562                 printf("vcaps.format = 0x%x\n", vcaps.format);
 563                 if( vcaps.format == Pg_VIDEO_FORMAT_YV12 ||
 564                     vcaps.format == Pg_VIDEO_FORMAT_YUV420 ||
 565                     vcaps.format == Pg_VIDEO_FORMAT_YUY2 ||
 566                     vcaps.format == Pg_VIDEO_FORMAT_UYVY ||
 567                     vcaps.format == Pg_VIDEO_FORMAT_RGB555 ||
 568                     vcaps.format == Pg_VIDEO_FORMAT_RGB565 ||
 569                     vcaps.format == Pg_VIDEO_FORMAT_RGB8888 )
 570                 {
 571                     p_vout->p_sys->i_vc_flags  = vcaps.flags;
 572                     p_vout->p_sys->i_vc_format = vcaps.format;
 573                 }
 574
 575                 vcaps.size = sizeof( vcaps );
 576             }
 577
 578             if( p_vout->p_sys->i_vc_format == 0 )
 579             {
 580                 msg_Warn( p_vout, "need YV12, YUY2 or RGB8888 overlay" );
 581
 582                 p_vout->p_sys->i_mode = MODE_NORMAL_MEM;
 583             }
 584         }
 585     }
 586
 587     /* use video ram if we have enough available */
 588     if( p_vout->p_sys->i_mode == MODE_NORMAL_MEM &&
 589         (minfo.bits_per_pixel != 8) &&
 590         hwcaps.currently_available_video_ram >=
 591         ( ( minfo.width * minfo.height * minfo.bits_per_pixel * MAX_DIRECTBUFFERS) / 8 ) )
 592     {
 593         p_vout->p_sys->i_mode = MODE_VIDEO_MEM;
 594         printf("Using video memory...\n");
 595     }
 596
 597     p_vout->p_sys->i_img_type = minfo.type;
 598     p_vout->p_sys->screen_dim.w = minfo.width;
 599     p_vout->p_sys->screen_dim.h = minfo.height;
 600     p_vout->p_sys->i_screen_depth = minfo.bits_per_pixel;
 601
 602     switch( p_vout->p_sys->i_screen_depth )
 603     {
 604         case 8:
 605             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
 606             p_vout->p_sys->i_bytes_per_pixel = 1;
 607             p_vout->output.pf_setpalette = SetPalette;
 608             break;
 609
 610         case 15:
 611             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
 612             p_vout->p_sys->i_bytes_per_pixel = 2;
 613             p_vout->output.i_rmask = 0x7c00;
 614             p_vout->output.i_gmask = 0x03e0;
 615             p_vout->output.i_bmask = 0x001f;
 616             break;
 617
 618         case 16:
 619             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
 620             p_vout->p_sys->i_bytes_per_pixel = 2;
 621             p_vout->output.i_rmask = 0xf800;
 622             p_vout->output.i_gmask = 0x07e0;
 623             p_vout->output.i_bmask = 0x001f;
 624             break;
 625
 626         case 24:
 627             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
 628             p_vout->p_sys->i_bytes_per_pixel = 3;
 629             p_vout->output.i_rmask = 0xff0000;
 630             p_vout->output.i_gmask = 0x00ff00;
 631             p_vout->output.i_bmask = 0x0000ff;
 632             break;
 633
 634         case 32:
 635         default:
 636             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
 637             p_vout->p_sys->i_bytes_per_pixel = 4;
 638             p_vout->output.i_rmask = 0xff0000;
 639             p_vout->output.i_gmask = 0x00ff00;
 640             p_vout->output.i_bmask = 0x0000ff;
 641             break;
 642     }
 643
 644     return( 0 );
 645 }
 646
 647 /*****************************************************************************
 648  * QNXCreateWnd: create and realize the main window
 649  *****************************************************************************/
 650 static int QNXCreateWnd( vout_thread_t * p_vout )
 651 {
 652     PtArg_t args[8];
 653     PhPoint_t pos = { 0, 0 };
 654     PgColor_t color = Pg_BLACK;
 655
 656     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 657     {
 658         if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
 659         {
 660             color = PgGetOverlayChromaColor();
 661         }
 662     }
 663
 664     /* fullscreen, set dimension */
 665     if( p_vout->b_fullscreen )
 666     {
 667         p_vout->p_sys->old_dim.w = p_vout->p_sys->dim.w;
 668         p_vout->p_sys->old_dim.h = p_vout->p_sys->dim.h;
 669         p_vout->output.i_width = p_vout->p_sys->dim.w = p_vout->p_sys->screen_dim.w;
 670         p_vout->output.i_height = p_vout->p_sys->dim.h = p_vout->p_sys->screen_dim.h;
 671     }
 672
 673     /* set window parameters */
 674     PtSetArg( &args[0], Pt_ARG_POS, &pos, 0 );
 675     PtSetArg( &args[1], Pt_ARG_DIM, &p_vout->p_sys->dim, 0 );
 676     PtSetArg( &args[2], Pt_ARG_FILL_COLOR, color, 0 );
 677     PtSetArg( &args[3], Pt_ARG_WINDOW_TITLE, "VideoLan Client", 0 );
 678     PtSetArg( &args[4], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_CLOSE );
 679     PtSetArg( &args[5], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
 680               Ph_WM_MOVE | Ph_WM_RESIZE | Ph_WM_CLOSE );
 681     PtSetArg( &args[6], Pt_ARG_WINDOW_RENDER_FLAGS,
 682               p_vout->b_fullscreen ? Pt_FALSE : Pt_TRUE,
 683               Ph_WM_RENDER_BORDER | Ph_WM_RENDER_TITLE );
 684
 685     /* create window */
 686     p_vout->p_sys->p_window = PtCreateWidget( PtWindow, Pt_NO_PARENT, 7, args);
 687     if( p_vout->p_sys->p_window == NULL )
 688     {
 689         msg_Err( p_vout, "unable to create window" );
 690         return( 1 );
 691     }
 692
 693     /* realize the window widget */
 694     if( PtRealizeWidget( p_vout->p_sys->p_window ) != 0 )
 695     {
 696         msg_Err( p_vout, "unable to realize window widget" );
 697         PtDestroyWidget( p_vout->p_sys->p_window );
 698         return( 1 );
 699     }
 700
 701     /* get window frame size */
 702     if( PtWindowFrameSize( NULL, p_vout->p_sys->p_window,
 703                            &p_vout->p_sys->frame ) != 0 )
 704     {
 705         msg_Err( p_vout, "unable to get window frame size" );
 706         PtDestroyWidget( p_vout->p_sys->p_window );
 707         return( 1 );
 708     }
 709
 710     return( 0 );
 711 }
 712
 713 /*****************************************************************************
 714  * QNXDestroyWnd: unrealize and destroy the main window
 715  *****************************************************************************/
 716 static int QNXDestroyWnd( vout_thread_t * p_vout )
 717 {
 718     /* destroy the window widget */
 719     PtUnrealizeWidget( p_vout->p_sys->p_window );
 720 //    PtDestroyWidget( p_vout->p_sys->p_window );
 721
 722     /* destroy video channel */
 723     if( p_vout->p_sys->i_mode == MODE_VIDEO_OVERLAY )
 724     {
 725         PgDestroyVideoChannel( p_vout->p_sys->p_channel );
 726     }
 727
 728     return( 0 );
 729 }
 730
 731
 732 /*****************************************************************************
 733  * NewPicture: allocate a picture
 734  *****************************************************************************
 735  * Returns 0 on success, -1 otherwise
 736  *****************************************************************************/
 737 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic, int index )
 738 {
 739     /* We know the chroma, allocate a buffer which will be used
 740      * directly by the decoder */
 741     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
 742
 743     if( p_pic->p_sys == NULL )
 744     {
 745         return -1;
 746     }
 747
 748     switch( p_vout->p_sys->i_mode )
 749     {
 750     case MODE_NORMAL_MEM:
 751     case MODE_SHARED_MEM:
 752         /* create images for [shared] memory blit */
 753         if( !( p_pic->p_sys->p_image = PhCreateImage( NULL,
 754                     p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
 755                     p_vout->p_sys->i_img_type, NULL, 0,
 756                     p_vout->p_sys->i_mode == MODE_SHARED_MEM ) ) ) {
 757             msg_Err( p_vout, "cannot create image" );
 758             free( p_pic->p_sys );
 759             return( -1 );
 760         }
 761
 762         p_pic->p->p_pixels = p_pic->p_sys->p_image->image;
 763         p_pic->p->i_lines = p_pic->p_sys->p_image->size.h;
 764         p_pic->p->i_pitch = p_pic->p_sys->p_image->bpl;
 765         p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 766         p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
 767                                      * p_pic->p_sys->p_image->size.w;
 768         p_pic->i_planes = 1;
 769         break;
 770
 771     case MODE_VIDEO_MEM:
 772         /* create offscreen contexts for video memory blit */
 773         if( ( p_pic->p_sys->p_ctx[0] = PdCreateOffscreenContext( 0,
 774                         p_vout->p_sys->dim.w, p_vout->p_sys->dim.h,
 775                        Pg_OSC_MEM_PAGE_ALIGN) ) == NULL )
 776         {
 777             msg_Err( p_vout, "unable to create offscreen context" );
 778             free( p_pic->p_sys );
 779             return( -1 );
 780         }
 781
 782         /* get context pointers */
 783         if( (  p_pic->p_sys->p_buf[0] =
 784             PdGetOffscreenContextPtr ( p_pic->p_sys->p_ctx[0] ) ) == NULL )
 785         {
 786             msg_Err( p_vout, "unable to get offscreen context ptr" );
 787             PhDCRelease ( p_pic->p_sys->p_ctx[0] );
 788             p_pic->p_sys->p_ctx[0] = NULL;
 789             free( p_pic->p_sys );
 790             return( -1 );
 791         }
 792
 793         p_vout->p_sys->i_bytes_per_line = p_pic->p_sys->p_ctx[0]->pitch;
 794         memset( p_pic->p_sys->p_buf[0], 0,
 795             p_vout->p_sys->i_bytes_per_line * p_vout->p_sys->dim.h );
 796
 797         p_pic->p->p_pixels = p_pic->p_sys->p_buf[0];
 798         p_pic->p->i_lines = p_pic->p_sys->p_ctx[0]->dim.h;
 799         p_pic->p->i_pitch = p_pic->p_sys->p_ctx[0]->pitch;
 800         p_pic->p->i_pixel_pitch = p_vout->p_sys->i_bytes_per_pixel;
 801         p_pic->p->i_visible_pitch = p_vout->p_sys->i_bytes_per_pixel
 802                                      * p_pic->p_sys->p_ctx[0]->dim.w;
 803         p_pic->i_planes = 1;
 804         break;
 805
 806     case MODE_VIDEO_OVERLAY:
 807         if (index == 0)
 808         {
 809             p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane1;
 810             p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane1;
 811             p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane1;
 812         }
 813         else
 814         {
 815             p_pic->p_sys->p_ctx[Y_PLANE] = p_vout->p_sys->p_channel->yplane2;
 816             p_pic->p_sys->p_ctx[U_PLANE] = p_vout->p_sys->p_channel->uplane2;
 817             p_pic->p_sys->p_ctx[V_PLANE] = p_vout->p_sys->p_channel->vplane2;
 818         }
 819
 820         p_pic->p_sys->p_buf[Y_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[Y_PLANE] );
 821         if( p_pic->p_sys->p_buf[Y_PLANE] == NULL )
 822         {
 823             msg_Err( p_vout, "unable to get video channel ctx ptr" );
 824             return( 1 );
 825         }
 826
 827         switch (p_vout->p_sys->i_vc_format)
 828         {
 829             case Pg_VIDEO_FORMAT_YUV420:
 830                 p_vout->output.i_chroma = VLC_FOURCC('I','4','2','0');
 831
 832                 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
 833                 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
 834
 835                 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
 836                     p_pic->p_sys->p_buf[V_PLANE] == NULL )
 837                 {
 838                     msg_Err( p_vout, "unable to get video channel ctx ptr" );
 839                     return( 1 );
 840                 }
 841
 842                 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
 843                 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 844                 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 845                 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
 846                 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
 847
 848                 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
 849                 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 850                 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
 851                 p_pic->p[U_PLANE].i_pixel_pitch = 1;
 852                 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
 853
 854                 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
 855                 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 856                 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
 857                 p_pic->p[V_PLANE].i_pixel_pitch = 1;
 858                 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
 859
 860                 p_pic->i_planes = 3;
 861                 break;
 862
 863             case Pg_VIDEO_FORMAT_YV12:
 864                 p_vout->output.i_chroma = VLC_FOURCC('Y','V','1','2');
 865
 866                 p_pic->p_sys->p_buf[U_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[U_PLANE] );
 867                 p_pic->p_sys->p_buf[V_PLANE] = PdGetOffscreenContextPtr( p_pic->p_sys->p_ctx[V_PLANE] );
 868
 869                 if( p_pic->p_sys->p_buf[U_PLANE] == NULL ||
 870                     p_pic->p_sys->p_buf[V_PLANE] == NULL )
 871                 {
 872                     msg_Err( p_vout, "unable to get video channel ctx ptr" );
 873                     return( 1 );
 874                 }
 875
 876                 p_pic->Y_PIXELS = p_pic->p_sys->p_buf[Y_PLANE];
 877                 p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 878                 p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 879                 p_pic->p[Y_PLANE].i_pixel_pitch = 1;
 880                 p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p[Y_PLANE].i_pitch;
 881
 882                 p_pic->U_PIXELS = p_pic->p_sys->p_buf[U_PLANE];
 883                 p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_ctx[U_PLANE]->dim.h;
 884                 p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_ctx[U_PLANE]->pitch;
 885                 p_pic->p[U_PLANE].i_pixel_pitch = 1;
 886                 p_pic->p[U_PLANE].i_visible_pitch = p_pic->p[U_PLANE].i_pitch;
 887
 888                 p_pic->V_PIXELS = p_pic->p_sys->p_buf[V_PLANE];
 889                 p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_ctx[V_PLANE]->dim.h;
 890                 p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_ctx[V_PLANE]->pitch;
 891                 p_pic->p[V_PLANE].i_pixel_pitch = 1;
 892                 p_pic->p[V_PLANE].i_visible_pitch = p_pic->p[V_PLANE].i_pitch;
 893
 894                 p_pic->i_planes = 3;
 895                 break;
 896
 897             case Pg_VIDEO_FORMAT_UYVY:
 898             case Pg_VIDEO_FORMAT_YUY2:
 899                 if (p_vout->p_sys->i_vc_format == Pg_VIDEO_FORMAT_UYVY)
 900                 {
 901                     p_vout->output.i_chroma = VLC_FOURCC('U','Y','V','Y');
 902                 }
 903                 else
 904                 {
 905                     p_vout->output.i_chroma = VLC_FOURCC('Y','U','Y','2');
 906                 }
 907
 908                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 909                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 910                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 911                 p_pic->p->i_pixel_pitch = 4;
 912                 p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
 913
 914                 p_pic->i_planes = 1;
 915                 break;
 916
 917             case Pg_VIDEO_FORMAT_RGB555:
 918                 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
 919                 p_vout->output.i_rmask = 0x001f;
 920                 p_vout->output.i_gmask = 0x03e0;
 921                 p_vout->output.i_bmask = 0x7c00;
 922
 923                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 924                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 925                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 926                 p_pic->p->i_pixel_pitch = 2;
 927                 p_pic->p->i_visible_pitch = 2 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 928
 929                 p_pic->i_planes = 1;
 930                 break;
 931
 932             case Pg_VIDEO_FORMAT_RGB565:
 933                 p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
 934                 p_vout->output.i_rmask = 0x001f;
 935                 p_vout->output.i_gmask = 0x07e0;
 936                 p_vout->output.i_bmask = 0xf800;
 937
 938                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 939                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 940                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 941                 p_pic->p->i_pixel_pitch = 4;
 942                 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 943
 944                 p_pic->i_planes = 1;
 945                 break;
 946
 947             case Pg_VIDEO_FORMAT_RGB8888:
 948                 p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
 949                 p_vout->output.i_rmask = 0x000000ff;
 950                 p_vout->output.i_gmask = 0x0000ff00;
 951                 p_vout->output.i_bmask = 0x00ff0000;
 952
 953                 p_pic->p->p_pixels = p_pic->p_sys->p_buf[Y_PLANE];
 954                 p_pic->p->i_lines = p_pic->p_sys->p_ctx[Y_PLANE]->dim.h;
 955                 p_pic->p->i_pitch = p_pic->p_sys->p_ctx[Y_PLANE]->pitch;
 956                 p_pic->p->i_pixel_pitch = 4;
 957                 p_pic->p->i_visible_pitch = 4 * p_pic->p_sys->p_ctx[Y_PLANE]->dim.w;
 958
 959                 p_pic->i_planes = 1;
 960                 break;
 961         }
 962
 963 #if 0
 964     switch( p_vout->output.i_chroma )
 965     {
 966 #ifdef MODULE_NAME_IS_xvideo
 967         case VLC_FOURCC('Y','2','1','1'):
 968
 969             p_pic->p->p_pixels = p_pic->p_sys->p_image->data
 970                                   + p_pic->p_sys->p_image->offsets[0];
 971             p_pic->p->i_lines = p_vout->output.i_height;
 972             /* XXX: this just looks so plain wrong... check it out ! */
 973             p_pic->p->i_pitch = p_pic->p_sys->p_image->pitches[0] / 4;
 974             p_pic->p->i_pixel_pitch = 4;
 975             p_pic->p->i_visible_pitch = p_pic->p->i_pitch;
 976
 977             p_pic->i_planes = 1;
 978             break;
 979 #endif
 980
 981 #endif
 982
 983     default:
 984         /* This shouldn't happen ! */
 985         break;
 986     }
 987
 988     return 0;
 989 }
 990
 991 /*****************************************************************************
 992  * FreePicture: destroy a picture allocated with NewPicture
 993  *****************************************************************************
 994  * Destroy XImage AND associated data. If using Shm, detach shared memory
 995  * segment from server and process, then free it. The XDestroyImage manpage
 996  * says that both the image structure _and_ the data pointed to by the
 997  * image structure are freed, so no need to free p_image->data.
 998  *****************************************************************************/
 999 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
1000 {
1001     if( ( p_vout->p_sys->i_mode == MODE_NORMAL_MEM ||
1002         p_vout->p_sys->i_mode == MODE_SHARED_MEM ) &&
1003         p_pic->p_sys->p_image )
1004     {
1005         PhReleaseImage( p_pic->p_sys->p_image );
1006         free( p_pic->p_sys->p_image );
1007     }
1008     else if( p_vout->p_sys->i_mode == MODE_VIDEO_MEM &&
1009              p_pic->p_sys->p_ctx[0] )
1010     {
1011         PhDCRelease( p_pic->p_sys->p_ctx[0] );
1012     }
1013
1014     free( p_pic->p_sys );
1015 }
1016
1017
1018 static int ResizeOverlayOutput(vout_thread_t *p_vout)
1019 {
1020     int i_width, i_height, i_x, i_y;
1021     int i_ret;
1022     PgScalerProps_t props;
1023
1024     props.size   = sizeof( props );
1025     props.format = p_vout->p_sys->i_vc_format;
1026     props.flags  = Pg_SCALER_PROP_SCALER_ENABLE |
1027                           Pg_SCALER_PROP_DOUBLE_BUFFER;
1028
1029     /* enable chroma keying if available */
1030     if( p_vout->p_sys->i_vc_flags & Pg_SCALER_CAP_DST_CHROMA_KEY )
1031     {
1032         props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE;
1033     }
1034
1035     /* set viewport position */
1036     props.viewport.ul.x = p_vout->p_sys->pos.x;
1037     props.viewport.ul.y = p_vout->p_sys->pos.y;
1038     if( !p_vout->b_fullscreen )
1039     {
1040         props.viewport.ul.x += p_vout->p_sys->frame.ul.x;
1041         props.viewport.ul.y += p_vout->p_sys->frame.ul.y;
1042     }
1043
1044     /* set viewport dimension */
1045     vout_PlacePicture( p_vout, p_vout->p_sys->dim.w,
1046                            p_vout->p_sys->dim.h,
1047                            &i_x, &i_y, &i_width, &i_height );
1048
1049     props.viewport.ul.x += i_x;
1050     props.viewport.ul.y += i_y;
1051     props.viewport.lr.x = i_width + props.viewport.ul.x;
1052     props.viewport.lr.y = i_height + props.viewport.ul.y;
1053
1054     /* set source dimension */
1055     props.src_dim.w = p_vout->output.i_width;
1056     props.src_dim.h = p_vout->output.i_height;
1057
1058     /* configure scaler channel */
1059     i_ret = PgConfigScalerChannel( p_vout->p_sys->p_channel, &props );
1060
1061     if( i_ret == -1 )
1062     {
1063         msg_Err( p_vout, "unable to configure video channel" );
1064         return( 1 );
1065     }
1066
1067     return ( 0 );
1068 }
1069
1070
1071 /*****************************************************************************
1072  * SetPalette: sets an 8 bpp palette
1073  *****************************************************************************
1074  * This function sets the palette given as an argument. It does not return
1075  * anything, but could later send information on which colors it was unable
1076  * to set.
1077  *****************************************************************************/
1078 static void SetPalette( vout_thread_t *p_vout, u16 *red, u16 *green, u16 *blue )
1079 {
1080     int i;
1081
1082     /* allocate palette */
1083     for( i = 0; i < 255; i++ )
1084     {
1085         /* kludge: colors are indexed reversely because color 255 seems
1086          * to be reserved for black even if we try to set it to white */
1087         p_vout->p_sys->p_colors[ i ] = PgRGB( red[ i ] >> 8, green[ i ] >> 8, blue[ i ] >> 8 );
1088     }
1089 }