git.sesse.net Git - vlc/blob - src/video_output/display.c

   1 /*****************************************************************************
   2  * display.c: "vout display" managment
   3  *****************************************************************************
   4  * Copyright (C) 2009 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
   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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30 #include <assert.h>
  31
  32 #include <vlc_common.h>
  33 #include <vlc_video_splitter.h>
  34 #include <vlc_vout_display.h>
  35 #include <vlc_vout.h>
  36
  37 #include <libvlc.h>
  38
  39 #include "display.h"
  40
  41 #include "event.h"
  42
  43 static void SplitterClose(vout_display_t *vd);
  44
  45 /*****************************************************************************
  46  * FIXME/TODO see how to have direct rendering here (interact with vout.c)
  47  *****************************************************************************/
  48 static picture_t *VideoBufferNew(filter_t *filter)
  49 {
  50     vout_display_t *vd = (vout_display_t*)filter->p_owner;
  51     const video_format_t *fmt = &filter->fmt_out.video;
  52
  53     assert(vd->fmt.i_chroma == fmt->i_chroma &&
  54            vd->fmt.i_width  == fmt->i_width  &&
  55            vd->fmt.i_height == fmt->i_height);
  56
  57     return vout_display_Get(vd);
  58 }
  59 static void VideoBufferDelete(filter_t *filter, picture_t *picture)
  60 {
  61     VLC_UNUSED(filter);
  62     picture_Release(picture);
  63 }
  64
  65 static int  FilterAllocationInit(filter_t *filter, void *vd)
  66 {
  67     filter->pf_vout_buffer_new = VideoBufferNew;
  68     filter->pf_vout_buffer_del = VideoBufferDelete;
  69     filter->p_owner            = vd;
  70
  71     return VLC_SUCCESS;
  72 }
  73 static void FilterAllocationClean(filter_t *filter)
  74 {
  75     filter->pf_vout_buffer_new = NULL;
  76     filter->pf_vout_buffer_del = NULL;
  77     filter->p_owner            = NULL;
  78 }
  79
  80 /*****************************************************************************
  81  *
  82  *****************************************************************************/
  83
  84 /**
  85  * It creates a new vout_display_t using the given configuration.
  86  */
  87 static vout_display_t *vout_display_New(vlc_object_t *obj,
  88                                         const char *module, bool load_module,
  89                                         const video_format_t *fmt,
  90                                         const vout_display_cfg_t *cfg,
  91                                         vout_display_owner_t *owner)
  92 {
  93     /* */
  94     vout_display_t *vd = vlc_object_create(obj, sizeof(*vd));
  95
  96     /* */
  97     video_format_Copy(&vd->source, fmt);
  98
  99     /* Picture buffer does not have the concept of aspect ratio */
 100     video_format_Copy(&vd->fmt, fmt);
 101     vd->fmt.i_aspect = 0;
 102     vd->fmt.i_sar_num = 0;
 103     vd->fmt.i_sar_den = 0;
 104
 105     vd->info.is_slow = false;
 106     vd->info.has_double_click = false;
 107     vd->info.has_hide_mouse = false;
 108     vd->info.has_pictures_invalid = false;
 109
 110     vd->cfg = cfg;
 111     vd->get = NULL;
 112     vd->prepare = NULL;
 113     vd->display = NULL;
 114     vd->control = NULL;
 115     vd->manage = NULL;
 116     vd->sys = NULL;
 117
 118     vd->owner = *owner;
 119
 120     vlc_object_attach(vd, obj);
 121
 122     if (load_module) {
 123         vd->module = module_need(vd, "vout display", module, module && *module != '\0');
 124         if (!vd->module) {
 125             vlc_object_detach(vd);
 126             vlc_object_release(vd);
 127             return NULL;
 128         }
 129     } else {
 130         vd->module = NULL;
 131     }
 132     return vd;
 133 }
 134
 135 /**
 136  * It deletes a vout_display_t
 137  */
 138 static void vout_display_Delete(vout_display_t *vd)
 139 {
 140     vlc_object_detach(vd);
 141
 142     if (vd->module)
 143         module_unneed(vd, vd->module);
 144
 145     vlc_object_release(vd);
 146 }
 147
 148 /**
 149  * It controls a vout_display_t
 150  */
 151 static int vout_display_Control(vout_display_t *vd, int query, ...)
 152 {
 153     va_list args;
 154     int result;
 155
 156     va_start(args, query);
 157     result = vd->control(vd, query, args);
 158     va_end(args);
 159
 160     return result;
 161 }
 162 static void vout_display_Manage(vout_display_t *vd)
 163 {
 164     vd->manage(vd);
 165 }
 166
 167 /* */
 168 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 169                                         const video_format_t *source,
 170                                         const vout_display_cfg_t *cfg)
 171 {
 172     if (cfg->display.width > 0 && cfg->display.height > 0) {
 173         *width  = cfg->display.width;
 174         *height = cfg->display.height;
 175     } else if (cfg->display.width > 0) {
 176         *width  = cfg->display.width;
 177         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 178             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 179     } else if (cfg->display.height > 0) {
 180         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 181             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 182         *height = cfg->display.height;
 183     } else if (source->i_sar_num >= source->i_sar_den) {
 184         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 185         *height = source->i_visible_height;
 186     } else {
 187         *width  = source->i_visible_width;
 188         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 189     }
 190
 191     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 192     *height = *height * cfg->zoom.num / cfg->zoom.den;
 193 }
 194
 195 /* */
 196 void vout_display_PlacePicture(vout_display_place_t *place,
 197                                const video_format_t *source,
 198                                const vout_display_cfg_t *cfg,
 199                                bool do_clipping)
 200 {
 201     /* */
 202     memset(place, 0, sizeof(*place));
 203     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 204         return;
 205
 206     /* */
 207     unsigned width;
 208     unsigned height;
 209     unsigned display_width;
 210     unsigned display_height;
 211
 212     if (cfg->is_display_filled) {
 213         width  = source->i_visible_width;
 214         height = source->i_visible_height;
 215         display_width  = cfg->display.width;
 216         display_height = cfg->display.height;
 217     } else {
 218         vout_display_cfg_t cfg_tmp = *cfg;
 219
 220         cfg_tmp.display.width  = 0;
 221         cfg_tmp.display.height = 0;
 222         vout_display_GetDefaultDisplaySize(&width, &height,
 223                                            source, &cfg_tmp);
 224
 225         display_width  = width;
 226         display_height = height;
 227         if (do_clipping) {
 228             display_width  = __MIN(display_width,  cfg->display.width);
 229             display_height = __MIN(display_height, cfg->display.height);
 230         }
 231     }
 232
 233     /* Compute the height if we use the width to fill up display_width */
 234     const int64_t scaled_height = (int64_t)height * display_width  * cfg->display.sar.num * source->i_sar_den / width  / source->i_sar_num / cfg->display.sar.den;
 235     /* And the same but switching width/height */
 236     const int64_t scaled_width  = (int64_t)width  * display_height * cfg->display.sar.den * source->i_sar_num / height / source->i_sar_den / cfg->display.sar.num;
 237
 238     /* We keep the solution that avoid filling outside the display */
 239     if (scaled_width <= cfg->display.width) {
 240         place->width  = scaled_width;
 241         place->height = display_height;
 242     } else {
 243         place->width  = display_width;
 244         place->height = scaled_height;
 245     }
 246
 247     /*  Compute position */
 248     switch (cfg->align.horizontal) {
 249     case VOUT_DISPLAY_ALIGN_LEFT:
 250         place->x = 0;
 251         break;
 252     case VOUT_DISPLAY_ALIGN_RIGHT:
 253         place->x = cfg->display.width - place->width;
 254         break;
 255     default:
 256         place->x = (cfg->display.width - place->width) / 2;
 257         break;
 258     }
 259
 260     switch (cfg->align.vertical) {
 261     case VOUT_DISPLAY_ALIGN_TOP:
 262         place->y = 0;
 263         break;
 264     case VOUT_DISPLAY_ALIGN_BOTTOM:
 265         place->y = cfg->display.height - place->height;
 266         break;
 267     default:
 268         place->y = (cfg->display.height - place->height) / 2;
 269         break;
 270     }
 271 }
 272
 273 struct vout_display_owner_sys_t {
 274     vout_thread_t   *vout;
 275     bool            is_wrapper;  /* Is the current display a wrapper */
 276     vout_display_t  *wrapper; /* Vout display wrapper */
 277
 278     /* mouse state */
 279     struct {
 280         vlc_mouse_t state;
 281
 282         mtime_t last_pressed;
 283         mtime_t last_moved;
 284         bool    is_hidden;
 285
 286         /* */
 287         mtime_t double_click_timeout;
 288         mtime_t hide_timeout;
 289     } mouse;
 290
 291     /* */
 292     vout_display_cfg_t cfg;
 293     bool     is_on_top_initial;
 294     struct {
 295         unsigned num;
 296         unsigned den;
 297     } sar_initial;
 298
 299     /* */
 300     int  width_saved;
 301     int  height_saved;
 302
 303     struct {
 304         unsigned num;
 305         unsigned den;
 306     } crop_saved;
 307
 308     /* */
 309     bool reset_pictures;
 310
 311     bool ch_fullscreen;
 312     bool is_fullscreen;
 313
 314     bool ch_display_size;
 315     int  display_width;
 316     int  display_height;
 317     bool display_is_fullscreen;
 318
 319     bool ch_display_filled;
 320     bool is_display_filled;
 321
 322     bool ch_zoom;
 323     struct {
 324         int  num;
 325         int  den;
 326     } zoom;
 327
 328     bool ch_on_top;
 329     bool is_on_top;
 330
 331     bool ch_sar;
 332     struct {
 333         unsigned num;
 334         unsigned den;
 335     } sar;
 336
 337     bool ch_crop;
 338     struct {
 339         unsigned x;
 340         unsigned y;
 341         unsigned width;
 342         unsigned height;
 343         unsigned num;
 344         unsigned den;
 345     } crop;
 346
 347     /* */
 348     video_format_t source;
 349     filter_chain_t *filters;
 350 };
 351
 352 static void VoutDisplayCreateRender(vout_display_t *vd)
 353 {
 354     vout_display_owner_sys_t *osys = vd->owner.sys;
 355
 356     osys->filters = NULL;
 357
 358     video_format_t v_src = vd->source;
 359     v_src.i_aspect  = 0;
 360     v_src.i_sar_num = 0;
 361     v_src.i_sar_den = 0;
 362
 363     video_format_t v_dst = vd->fmt;
 364     v_dst.i_aspect  = 0;
 365     v_dst.i_sar_num = 0;
 366     v_dst.i_sar_den = 0;
 367
 368     video_format_t v_dst_cmp = v_dst;
 369     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 370         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 371         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 372         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 373         v_dst_cmp.i_chroma = v_src.i_chroma;
 374
 375     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 376     if (!convert)
 377         return;
 378
 379     msg_Err(vd, "A filter to adapt decoder to display is needed");
 380
 381     osys->filters = filter_chain_New(vd, "video filter2", false,
 382                                      FilterAllocationInit,
 383                                      FilterAllocationClean, vd);
 384     assert(osys->filters); /* TODO critical */
 385
 386     /* */
 387     es_format_t src;
 388     es_format_InitFromVideo(&src, &v_src);
 389
 390     /* */
 391     es_format_t dst;
 392
 393     filter_t *filter;
 394     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 395
 396         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 397
 398         filter_chain_Reset(osys->filters, &src, &dst);
 399         filter = filter_chain_AppendFilter(osys->filters,
 400                                            NULL, NULL, &src, &dst);
 401         if (filter)
 402             break;
 403     }
 404     if (!filter)
 405     {
 406         msg_Err(vd, "VoutDisplayCreateRender FAILED");
 407         /* TODO */
 408         assert(0);
 409     }
 410 }
 411
 412 static void VoutDisplayDestroyRender(vout_display_t *vd)
 413 {
 414     vout_display_owner_sys_t *osys = vd->owner.sys;
 415
 416     if (osys->filters)
 417         filter_chain_Delete(osys->filters);
 418 }
 419
 420 static void VoutDisplayResetRender(vout_display_t *vd)
 421 {
 422     VoutDisplayDestroyRender(vd);
 423     VoutDisplayCreateRender(vd);
 424 }
 425 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 426 {
 427     vout_display_owner_sys_t *osys = vd->owner.sys;
 428
 429     /* */
 430     vlc_mouse_t m = osys->mouse.state;
 431     bool is_ignored = false;
 432
 433     switch (event) {
 434     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 435         const int x = (int)va_arg(args, int);
 436         const int y = (int)va_arg(args, int);
 437         const int button_mask = (int)va_arg(args, int);
 438
 439         vlc_mouse_Init(&m);
 440         m.i_x = x;
 441         m.i_y = y;
 442         m.i_pressed = button_mask;
 443         break;
 444     }
 445     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 446         const int x = (int)va_arg(args, int);
 447         const int y = (int)va_arg(args, int);
 448         if (x != osys->mouse.state.i_x || y != osys->mouse.state.i_y) {
 449             msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 450
 451             m.i_x = x;
 452             m.i_y = y;
 453             m.b_double_click = false;
 454         } else {
 455             is_ignored = true;
 456         }
 457         break;
 458     }
 459     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 460     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 461         const int button = (int)va_arg(args, int);
 462         const int button_mask = 1 << button;
 463
 464         /* Ignore inconsistent event */
 465         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 466             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 467             is_ignored = true;
 468             break;
 469         }
 470
 471         /* */
 472         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 473
 474         m.b_double_click = false;
 475         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 476             m.i_pressed |= button_mask;
 477         else
 478             m.i_pressed &= ~button_mask;
 479         break;
 480     }
 481     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 482         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 483
 484         m.b_double_click = true;
 485         break;
 486     default:
 487         assert(0);
 488     }
 489
 490     if (is_ignored)
 491         return;
 492
 493     /* Emulate double-click if needed */
 494     if (!vd->info.has_double_click &&
 495         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 496         const mtime_t i_date = mdate();
 497
 498         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 499             m.b_double_click = true;
 500             osys->mouse.last_pressed = 0;
 501         } else {
 502             osys->mouse.last_pressed = mdate();
 503         }
 504     }
 505
 506     /* */
 507     osys->mouse.state = m;
 508
 509     /* */
 510     osys->mouse.is_hidden = false;
 511     if (!vd->info.has_hide_mouse)
 512         osys->mouse.last_moved = mdate();
 513
 514     /* */
 515     vout_SendEventMouseVisible(osys->vout);
 516     vout_SendDisplayEventMouse(osys->vout, &m);
 517 }
 518
 519 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 520 {
 521     vout_display_owner_sys_t *osys = vd->owner.sys;
 522
 523     switch (event) {
 524     case VOUT_DISPLAY_EVENT_CLOSE: {
 525         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 526         vout_SendEventClose(osys->vout);
 527         break;
 528     }
 529     case VOUT_DISPLAY_EVENT_KEY: {
 530         const int key = (int)va_arg(args, int);
 531         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 532         vout_SendEventKey(osys->vout, key);
 533         break;
 534     }
 535     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 536     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 537     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 538     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 539     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 540         VoutDisplayEventMouse(vd, event, args);
 541         break;
 542
 543     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 544         const int is_fullscreen = (int)va_arg(args, int);
 545
 546         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 547
 548         if (!is_fullscreen == !osys->is_fullscreen)
 549             break;
 550         osys->ch_fullscreen = true;
 551         osys->is_fullscreen = is_fullscreen;
 552         break;
 553     }
 554
 555     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 556         const int width  = (int)va_arg(args, int);
 557         const int height = (int)va_arg(args, int);
 558         const bool is_fullscreen = (bool)va_arg(args, int);
 559         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 560                 width, height, is_fullscreen ? "fullscreen" : "window");
 561
 562         /* */
 563         osys->ch_display_size       = true;
 564         osys->display_width         = width;
 565         osys->display_height        = height;
 566         osys->display_is_fullscreen = is_fullscreen;
 567         break;
 568     }
 569
 570     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 571         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 572
 573         /* */
 574         assert(vd->info.has_pictures_invalid);
 575         osys->reset_pictures = true;
 576         break;
 577     }
 578     default:
 579         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 580         /* TODO add an assert when all event are handled */
 581         break;
 582     }
 583 }
 584
 585 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 586 {
 587     vout_display_owner_sys_t *osys = vd->owner.sys;
 588
 589     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 590 }
 591 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 592 {
 593     vout_display_owner_sys_t *osys = vd->owner.sys;
 594
 595     vout_DeleteDisplayWindow(osys->vout, vd, window);
 596 }
 597
 598 void vout_ManageDisplay(vout_display_t *vd)
 599 {
 600     vout_display_owner_sys_t *osys = vd->owner.sys;
 601
 602     vout_display_Manage(vd);
 603
 604     /* Handle mouse timeout */
 605     const mtime_t date = mdate();
 606     if (!osys->mouse.is_hidden &&
 607         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 608         if (!vd->info.has_hide_mouse) {
 609             msg_Dbg(vd, "auto hidding mouse");
 610             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 611         }
 612         osys->mouse.is_hidden = true;
 613
 614         vout_SendEventMouseHidden(osys->vout);
 615     }
 616
 617     bool reset_pictures = false;
 618     for (;;) {
 619         if (!osys->ch_fullscreen &&
 620             !osys->ch_display_size &&
 621             !osys->reset_pictures &&
 622             !osys->ch_display_filled &&
 623             !osys->ch_zoom &&
 624             !osys->ch_on_top &&
 625             !osys->ch_sar &&
 626             !osys->ch_crop)
 627             break;
 628
 629         /* */
 630         if (osys->ch_fullscreen) {
 631             vout_display_cfg_t cfg = osys->cfg;
 632
 633             cfg.is_fullscreen = osys->is_fullscreen;
 634             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 635             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 636
 637             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 638                 msg_Err(vd, "Failed to set fullscreen");
 639                 osys->is_fullscreen = osys->cfg.is_fullscreen;
 640             }
 641             osys->cfg.is_fullscreen = osys->is_fullscreen;
 642             osys->ch_fullscreen = false;
 643
 644             /* */
 645             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 646         }
 647
 648         /* */
 649         if (osys->ch_display_size) {
 650             vout_display_cfg_t cfg = osys->cfg;
 651             cfg.display.width  = osys->display_width;
 652             cfg.display.height = osys->display_height;
 653
 654             if (!cfg.is_fullscreen != !osys->display_is_fullscreen ||
 655                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg)) {
 656                 if (!cfg.is_fullscreen == !osys->display_is_fullscreen)
 657                     msg_Err(vd, "Failed to resize display");
 658
 659                 /* We ignore the resized */
 660                 osys->display_width  = osys->cfg.display.width;
 661                 osys->display_height = osys->cfg.display.height;
 662             }
 663             osys->cfg.display.width  = osys->display_width;
 664             osys->cfg.display.height = osys->display_height;
 665
 666             if (!osys->display_is_fullscreen) {
 667                 osys->width_saved  = osys->display_width;
 668                 osys->height_saved = osys->display_height;
 669             }
 670             osys->ch_display_size = false;
 671         }
 672         /* */
 673         if (osys->ch_display_filled) {
 674             vout_display_cfg_t cfg = osys->cfg;
 675
 676             cfg.is_display_filled = osys->is_display_filled;
 677
 678             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 679                 msg_Err(vd, "Failed to change display filled state");
 680                 osys->is_display_filled = osys->cfg.is_display_filled;
 681             }
 682             osys->cfg.is_display_filled = osys->is_display_filled;
 683             osys->ch_display_filled = false;
 684
 685             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 686         }
 687         /* */
 688         if (osys->ch_zoom) {
 689             vout_display_cfg_t cfg = osys->cfg;
 690
 691             cfg.zoom.num = osys->zoom.num;
 692             cfg.zoom.den = osys->zoom.den;
 693
 694             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 695                 cfg.zoom.num = 1;
 696                 cfg.zoom.den = 10;
 697             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 698                 cfg.zoom.num = 10;
 699                 cfg.zoom.den = 1;
 700             }
 701
 702             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 703                 msg_Err(vd, "Failed to change zoom");
 704                 osys->zoom.num = osys->cfg.zoom.num;
 705                 osys->zoom.den = osys->cfg.zoom.den;
 706             } else if (cfg.is_display_filled) {
 707                 const int display_width  = (int64_t)vd->source.i_width  * osys->zoom.num / osys->zoom.den;
 708                 const int display_height = (int64_t)vd->source.i_height * osys->zoom.num / osys->zoom.den;
 709
 710                 vout_display_SendEventDisplaySize(vd, display_width, display_height, osys->cfg.is_fullscreen);
 711             }
 712
 713             osys->cfg.zoom.num = osys->zoom.num;
 714             osys->cfg.zoom.den = osys->zoom.den;
 715             osys->ch_zoom = false;
 716
 717             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 718         }
 719         /* */
 720         if (osys->ch_on_top) {
 721             bool is_on_top = osys->is_on_top;
 722
 723             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ON_TOP, is_on_top)) {
 724                 msg_Err(vd, "Failed to set on top");
 725                 is_on_top = osys->is_on_top_initial;
 726             }
 727             osys->is_on_top_initial =
 728             osys->is_on_top         = is_on_top;
 729             osys->ch_on_top = false;
 730
 731             /* */
 732             vout_SendEventOnTop(osys->vout, osys->is_on_top_initial);
 733         }
 734         /* */
 735         if (osys->ch_sar) {
 736             video_format_t source = vd->source;
 737
 738             if (osys->sar.num > 0 && osys->sar.den > 0) {
 739                 source.i_sar_num = osys->sar.num;
 740                 source.i_sar_den = osys->sar.den;
 741             } else {
 742                 source.i_sar_num = osys->source.i_sar_num;
 743                 source.i_sar_den = osys->source.i_sar_den;
 744             }
 745
 746             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 747                 /* There nothing much we can do. The only reason a vout display
 748                  * does not support it is because it need the core to add black border
 749                  * to the video for it.
 750                  * TODO add black borders ?
 751                  */
 752                 msg_Err(vd, "Failed to change source AR");
 753                 source = vd->source;
 754             }
 755             vd->source = source;
 756             osys->sar.num = source.i_sar_num;
 757             osys->sar.den = source.i_sar_den;
 758             osys->ch_sar  = false;
 759
 760             /* */
 761             if (osys->sar.num == osys->source.i_sar_num &&
 762                 osys->sar.den == osys->source.i_sar_den)
 763             {
 764                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 765             }
 766             else
 767             {
 768                 unsigned dar_num, dar_den;
 769                 vlc_ureduce( &dar_num, &dar_den,
 770                              osys->sar.num * vd->source.i_visible_width,
 771                              osys->sar.den * vd->source.i_visible_height,
 772                              65536);
 773                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 774             }
 775         }
 776         /* */
 777         if (osys->ch_crop) {
 778             video_format_t source = vd->source;
 779             unsigned crop_num = osys->crop.num;
 780             unsigned crop_den = osys->crop.den;
 781
 782             source.i_x_offset       = osys->crop.x;
 783             source.i_y_offset       = osys->crop.y;
 784             source.i_visible_width  = osys->crop.width;
 785             source.i_visible_height = osys->crop.height;
 786
 787             /* */
 788             const bool is_valid = source.i_x_offset < source.i_width &&
 789                                   source.i_y_offset < source.i_height &&
 790                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 791                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 792                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 793
 794             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 795                 if (is_valid)
 796                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 797                 else
 798                     msg_Err(vd, "Invalid crop requested");
 799
 800                 source = vd->source;
 801                 crop_num = osys->crop_saved.num;
 802                 crop_den = osys->crop_saved.den;
 803                 /* FIXME implement cropping in the core if not supported by the
 804                  * vout module (easy)
 805                  */
 806             }
 807             vd->source = source;
 808             osys->crop.x      = source.i_x_offset;
 809             osys->crop.y      = source.i_y_offset;
 810             osys->crop.width  = source.i_visible_width;
 811             osys->crop.height = source.i_visible_height;
 812             osys->crop.num    = crop_num;
 813             osys->crop.den    = crop_den;
 814             osys->ch_crop = false;
 815
 816             /* TODO fix when a ratio is used (complicated). */
 817             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
 818             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
 819             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
 820             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
 821             vout_SendEventSourceCrop(osys->vout,
 822                                      osys->crop.num, osys->crop.den,
 823                                      left, top, right, bottom);
 824         }
 825
 826         /* */
 827         if (osys->reset_pictures) {
 828             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
 829                 /* FIXME what to do here ? */
 830                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
 831             }
 832             reset_pictures = true;
 833
 834             osys->reset_pictures = false;
 835         }
 836     }
 837     if (reset_pictures)
 838         VoutDisplayResetRender(vd);
 839 }
 840
 841 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
 842 {
 843     vout_display_owner_sys_t *osys = vd->owner.sys;
 844
 845     return osys->reset_pictures;
 846 }
 847
 848 bool vout_IsDisplayFiltered(vout_display_t *vd)
 849 {
 850     vout_display_owner_sys_t *osys = vd->owner.sys;
 851
 852     return osys->filters != NULL;
 853 }
 854
 855 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
 856 {
 857     vout_display_owner_sys_t *osys = vd->owner.sys;
 858
 859     assert(osys->filters);
 860     return filter_chain_VideoFilter(osys->filters, picture);
 861 }
 862
 863 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
 864 {
 865     vout_display_owner_sys_t *osys = vd->owner.sys;
 866
 867     if (!osys->is_fullscreen != !is_fullscreen) {
 868         osys->ch_fullscreen = true;
 869         osys->is_fullscreen = is_fullscreen;
 870     }
 871 }
 872
 873 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
 874 {
 875     vout_display_owner_sys_t *osys = vd->owner.sys;
 876
 877     if (!osys->is_display_filled != !is_filled) {
 878         osys->ch_display_filled = true;
 879         osys->is_display_filled = is_filled;
 880     }
 881 }
 882
 883 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
 884 {
 885     vout_display_owner_sys_t *osys = vd->owner.sys;
 886
 887     if (osys->zoom.num != num || osys->zoom.den != den) {
 888         osys->ch_zoom = true;
 889         osys->zoom.num = num;
 890         osys->zoom.den = den;
 891     }
 892 }
 893 void vout_SetDisplayOnTop(vout_display_t *vd, bool is_on_top)
 894 {
 895     vout_display_owner_sys_t *osys = vd->owner.sys;
 896
 897     if (!osys->is_on_top != !is_on_top) {
 898         osys->ch_on_top = true;
 899         osys->is_on_top = is_on_top;
 900     }
 901 }
 902 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
 903 {
 904     vout_display_owner_sys_t *osys = vd->owner.sys;
 905
 906     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
 907         osys->ch_sar = true;
 908         osys->sar.num = sar_num;
 909         osys->sar.den = sar_den;
 910     }
 911 }
 912 void vout_SetDisplayCrop(vout_display_t *vd,
 913                          unsigned crop_num, unsigned crop_den,
 914                          unsigned x, unsigned y, unsigned width, unsigned height)
 915 {
 916     vout_display_owner_sys_t *osys = vd->owner.sys;
 917
 918     if (osys->crop.x != x || osys->crop.y != y ||
 919         osys->crop.width  != width || osys->crop.height != height) {
 920
 921         osys->crop.x      = x;
 922         osys->crop.y      = y;
 923         osys->crop.width  = width;
 924         osys->crop.height = height;
 925         osys->crop.num    = crop_num;
 926         osys->crop.den    = crop_den;
 927
 928         osys->ch_crop = true;
 929     }
 930 }
 931
 932
 933 static vout_display_t *DisplayNew(vout_thread_t *vout,
 934                                   const video_format_t *source_org,
 935                                   const vout_display_state_t *state,
 936                                   const char *module,
 937                                   bool is_wrapper, vout_display_t *wrapper,
 938                                   mtime_t double_click_timeout,
 939                                   mtime_t hide_timeout,
 940                                   const vout_display_owner_t *owner_ptr)
 941 {
 942     /* */
 943     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
 944     vout_display_cfg_t *cfg = &osys->cfg;
 945
 946     *cfg = state->cfg;
 947     osys->is_on_top_initial = state->is_on_top;;
 948     osys->sar_initial.num = state->sar.num;
 949     osys->sar_initial.den = state->sar.den;
 950     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
 951                                        source_org, cfg);
 952
 953     osys->vout = vout;
 954     osys->is_wrapper = is_wrapper;
 955     osys->wrapper = wrapper;
 956
 957     vlc_mouse_Init(&osys->mouse.state);
 958     osys->mouse.last_moved = mdate();
 959     osys->mouse.double_click_timeout = double_click_timeout;
 960     osys->mouse.hide_timeout = hide_timeout;
 961     osys->is_fullscreen  = cfg->is_fullscreen;
 962     osys->width_saved    =
 963     osys->display_width  = cfg->display.width;
 964     osys->height_saved   =
 965     osys->display_height = cfg->display.height;
 966     osys->is_display_filled = cfg->is_display_filled;
 967     osys->zoom.num = cfg->zoom.num;
 968     osys->zoom.den = cfg->zoom.den;
 969
 970     osys->source = *source_org;
 971
 972     video_format_t source = *source_org;
 973
 974     source.i_x_offset =
 975     osys->crop.x  = 0;
 976     source.i_y_offset =
 977     osys->crop.y  = 0;
 978     source.i_visible_width  =
 979     osys->crop.width    = source.i_width;
 980     source.i_visible_height =
 981     osys->crop.height   = source.i_height;
 982     osys->crop_saved.num = 0;
 983     osys->crop_saved.den = 0;
 984     osys->crop.num = 0;
 985     osys->crop.den = 0;
 986
 987     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
 988     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
 989
 990     vout_display_owner_t owner;
 991     if (owner_ptr) {
 992         owner = *owner_ptr;
 993     } else {
 994         owner.event      = VoutDisplayEvent;
 995         owner.window_new = VoutDisplayNewWindow;
 996         owner.window_del = VoutDisplayDelWindow;
 997     }
 998     owner.sys = osys;
 999
1000     /* */
1001     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1002                                                  module, !is_wrapper,
1003                                                  &source, cfg, &owner);
1004     if (!p_display) {
1005         free(osys);
1006         return NULL;
1007     }
1008
1009     VoutDisplayCreateRender(p_display);
1010
1011     /* Setup delayed request */
1012     if (osys->sar.num != source_org->i_sar_num ||
1013         osys->sar.den != source_org->i_sar_den)
1014         osys->ch_sar = true;
1015     if (osys->is_on_top)
1016         osys->ch_on_top = true;
1017     if (osys->crop.x      != source_org->i_x_offset ||
1018         osys->crop.y      != source_org->i_y_offset ||
1019         osys->crop.width  != source_org->i_visible_width ||
1020         osys->crop.height != source_org->i_visible_height)
1021         osys->ch_crop = true;
1022
1023     return p_display;
1024 }
1025
1026 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1027 {
1028     vout_display_owner_sys_t *osys = vd->owner.sys;
1029
1030     if (state) {
1031         if (!osys->is_wrapper )
1032             state->cfg = osys->cfg;
1033         state->is_on_top = osys->is_on_top_initial;
1034         state->sar.num   = osys->sar_initial.num;
1035         state->sar.den   = osys->sar_initial.den;
1036     }
1037
1038     VoutDisplayDestroyRender(vd);
1039     if (osys->is_wrapper)
1040         SplitterClose(vd);
1041     vout_display_Delete(vd);
1042     free(osys);
1043 }
1044
1045 /*****************************************************************************
1046  *
1047  *****************************************************************************/
1048 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1049                                 const video_format_t *source,
1050                                 const vout_display_state_t *state,
1051                                 const char *module,
1052                                 mtime_t double_click_timeout,
1053                                 mtime_t hide_timeout)
1054 {
1055     return DisplayNew(vout, source, state, module, false, NULL,
1056                       double_click_timeout, hide_timeout, NULL);
1057 }
1058
1059 static void SplitterClose(vout_display_t *vd)
1060 {
1061     VLC_UNUSED(vd);
1062     assert(0);
1063 }
1064
1065 #if 0
1066 /*****************************************************************************
1067  *
1068  *****************************************************************************/
1069 struct vout_display_sys_t {
1070     video_splitter_t *splitter;
1071
1072     /* */
1073     int            count;
1074     picture_t      **picture;
1075     vout_display_t **display;
1076 };
1077 struct video_splitter_owner_t {
1078     vout_display_t *wrapper;
1079 };
1080
1081 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1082 {
1083     vout_display_owner_sys_t *osys = vd->owner.sys;
1084
1085     vout_window_cfg_t cfg = *cfg_ptr;
1086     cfg.is_standalone = true;
1087     cfg.x += 0;//output->window.i_x; FIXME
1088     cfg.y += 0;//output->window.i_y;
1089
1090     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1091 }
1092 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1093 {
1094     vout_display_owner_sys_t *osys = vd->owner.sys;
1095
1096     vout_DeleteDisplayWindow(osys->vout, vd, window);
1097 }
1098 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1099 {
1100     vout_display_owner_sys_t *osys = vd->owner.sys;
1101
1102     switch (event) {
1103 #if 0
1104     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1105     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1106     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1107     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1108         /* TODO */
1109         break;
1110 #endif
1111     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1112     case VOUT_DISPLAY_EVENT_KEY:
1113     case VOUT_DISPLAY_EVENT_CLOSE:
1114     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1115     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1116     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1117         VoutDisplayEvent(vd, event, args);
1118         break;
1119
1120     default:
1121         msg_Err(vd, "SplitterEvent TODO");
1122         break;
1123     }
1124 }
1125
1126 static picture_t *SplitterGet(vout_display_t *vd)
1127 {
1128     /* TODO pool ? */
1129     return picture_NewFromFormat(&vd->fmt);
1130 }
1131 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1132 {
1133     vout_display_sys_t *sys = vd->sys;
1134
1135     picture_Hold(picture);
1136
1137     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1138         for (int i = 0; i < sys->count; i++)
1139             sys->picture[i] = NULL;
1140         picture_Release(picture);
1141         return;
1142     }
1143
1144     for (int i = 0; i < sys->count; i++) {
1145         /* */
1146         /* FIXME now vout_FilterDisplay already return a direct buffer FIXME */
1147         sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1148         if (!sys->picture[i])
1149             continue;
1150
1151         /* */
1152         picture_t *direct = vout_display_Get(sys->display[i]);
1153         if (!direct) {
1154             msg_Err(vd, "Failed to get a direct buffer");
1155             picture_Release(sys->picture[i]);
1156             sys->picture[i] = NULL;
1157             continue;
1158         }
1159
1160         /* FIXME not always needed (easy when there is a osys->filters) */
1161         picture_Copy(direct, sys->picture[i]);
1162         picture_Release(sys->picture[i]);
1163         sys->picture[i] = direct;
1164
1165         vout_display_Prepare(sys->display[i], sys->picture[i]);
1166     }
1167 }
1168 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1169 {
1170     vout_display_sys_t *sys = vd->sys;
1171
1172     for (int i = 0; i < sys->count; i++) {
1173         if (sys->picture[i])
1174             vout_display_Display(sys->display[i], sys->picture[i]);
1175     }
1176     picture_Release(picture);
1177 }
1178 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1179 {
1180     return VLC_EGENERIC;
1181 }
1182 static void SplitterManage(vout_display_t *vd)
1183 {
1184     vout_display_sys_t *sys = vd->sys;
1185
1186     for (int i = 0; i < sys->count; i++)
1187         vout_ManageDisplay(sys->display[i]);
1188 }
1189
1190 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1191 {
1192     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1193
1194     for (int i = 0; i < wsys->count; i++) {
1195         /* TODO pool ? */
1196         picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1197         if (!picture[i]) {
1198             for (int j = 0; j < i; j++)
1199                 picture_Release(picture[j]);
1200             return VLC_EGENERIC;
1201         }
1202     }
1203     return VLC_SUCCESS;
1204 }
1205 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1206 {
1207     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1208
1209     for (int i = 0; i < wsys->count; i++)
1210         picture_Release(picture[i]);
1211 }
1212 static void SplitterClose(vout_display_t *vd)
1213 {
1214     vout_display_sys_t *sys = vd->sys;
1215
1216     /* */
1217     video_splitter_t *splitter = sys->splitter;
1218     free(splitter->p_owner);
1219     video_splitter_Delete(splitter);
1220
1221     /* */
1222     for (int i = 0; i < sys->count; i++)
1223         vout_DeleteDisplay(sys->display[i], NULL);
1224     TAB_CLEAN(sys->count, sys->display);
1225     free(sys->picture);
1226
1227     free(sys);
1228 }
1229
1230 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1231                                  const video_format_t *source,
1232                                  const vout_display_state_t *state,
1233                                  const char *module,
1234                                  const char *splitter_module,
1235                                  mtime_t double_click_timeout,
1236                                  mtime_t hide_timeout)
1237 {
1238     video_splitter_t *splitter =
1239         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1240     if (!splitter)
1241         return NULL;
1242
1243     /* */
1244     vout_display_t *wrapper =
1245         DisplayNew(vout, source, state, module, true, NULL,
1246                     double_click_timeout, hide_timeout, NULL);
1247     if (!wrapper) {
1248         video_splitter_Delete(splitter);
1249         return NULL;
1250     }
1251     vout_display_sys_t *sys = malloc(sizeof(*sys));
1252     if (!sys)
1253         abort();
1254     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1255     if (!sys->picture )
1256         abort();
1257     sys->splitter = splitter;
1258
1259     wrapper->get     = SplitterGet;
1260     wrapper->prepare = SplitterPrepare;
1261     wrapper->display = SplitterDisplay;
1262     wrapper->control = SplitterControl;
1263     wrapper->manage  = SplitterManage;
1264     wrapper->sys     = sys;
1265
1266     /* */
1267     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1268     if (!owner)
1269         abort();
1270     owner->wrapper = wrapper;
1271     splitter->p_owner = owner;
1272     splitter->pf_picture_new = SplitterPictureNew;
1273     splitter->pf_picture_del = SplitterPictureDel;
1274
1275     /* */
1276     TAB_INIT(sys->count, sys->display);
1277     for (int i = 0; i < splitter->i_output; i++) {
1278         vout_display_owner_t owner;
1279
1280         owner.event      = SplitterEvent;
1281         owner.window_new = SplitterNewWindow;
1282         owner.window_del = SplitterDelWindow;
1283
1284         const video_splitter_output_t *output = &splitter->p_output[i];
1285         vout_display_state_t ostate;
1286
1287         memset(&ostate, 0, sizeof(ostate));
1288         ostate.cfg.is_fullscreen = false;
1289         ostate.cfg.display = state->cfg.display;
1290         ostate.cfg.align.horizontal = 0; /* TODO */
1291         ostate.cfg.align.vertical = 0; /* TODO */
1292         ostate.cfg.is_display_filled = true;
1293         ostate.cfg.zoom.num = 1;
1294         ostate.cfg.zoom.den = 1;
1295
1296         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1297                                            output->psz_module ? output->psz_module : module,
1298                                            false, wrapper,
1299                                            double_click_timeout, hide_timeout, &owner);
1300         if (!vd) {
1301             vout_DeleteDisplay(wrapper, NULL);
1302             return NULL;
1303         }
1304         TAB_APPEND(sys->count, sys->display, vd);
1305     }
1306
1307     return wrapper;
1308 }
1309 #endif
1310
1311 /*****************************************************************************
1312  * TODO move out
1313  *****************************************************************************/
1314 #include "vout_internal.h"
1315 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1316 {
1317     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1318         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1319     }
1320     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1321         static const int buttons[] = {
1322             MOUSE_BUTTON_LEFT,
1323             MOUSE_BUTTON_CENTER,
1324             MOUSE_BUTTON_RIGHT,
1325             MOUSE_BUTTON_WHEEL_UP,
1326             MOUSE_BUTTON_WHEEL_DOWN,
1327             -1
1328         };
1329         for (int i = 0; buttons[i] >= 0; i++) {
1330             const int button = buttons[i];
1331             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1332                 vout_SendEventMousePressed(vout, button);
1333             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1334                 vout_SendEventMouseReleased(vout, button);
1335         }
1336     }
1337     if (m->b_double_click)
1338         vout_SendEventMouseDoubleClick(vout);
1339     vout->p->mouse = *m;
1340 }
1341 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd, const vout_window_cfg_t *cfg)
1342 {
1343     VLC_UNUSED(vd);
1344     vout_window_cfg_t cfg_override = *cfg;
1345
1346     if( !config_GetInt( vout, "embedded-video" ) )
1347         cfg_override.is_standalone = true;
1348
1349     return vout_window_New(VLC_OBJECT(vout), NULL, &cfg_override);
1350 }
1351 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd, vout_window_t *window)
1352 {
1353     VLC_UNUSED(vout);
1354     VLC_UNUSED(vd);
1355     vout_window_Delete(window);
1356 }
1357