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     if (vd->manage)
 165         vd->manage(vd);
 166 }
 167
 168 /* */
 169 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 170                                         const video_format_t *source,
 171                                         const vout_display_cfg_t *cfg)
 172 {
 173     if (cfg->display.width > 0 && cfg->display.height > 0) {
 174         *width  = cfg->display.width;
 175         *height = cfg->display.height;
 176     } else if (cfg->display.width > 0) {
 177         *width  = cfg->display.width;
 178         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 179             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 180     } else if (cfg->display.height > 0) {
 181         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 182             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 183         *height = cfg->display.height;
 184     } else if (source->i_sar_num >= source->i_sar_den) {
 185         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 186         *height = source->i_visible_height;
 187     } else {
 188         *width  = source->i_visible_width;
 189         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 190     }
 191
 192     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 193     *height = *height * cfg->zoom.num / cfg->zoom.den;
 194 }
 195
 196 /* */
 197 void vout_display_PlacePicture(vout_display_place_t *place,
 198                                const video_format_t *source,
 199                                const vout_display_cfg_t *cfg,
 200                                bool do_clipping)
 201 {
 202     /* */
 203     memset(place, 0, sizeof(*place));
 204     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 205         return;
 206
 207     /* */
 208     unsigned width;
 209     unsigned height;
 210     unsigned display_width;
 211     unsigned display_height;
 212
 213     if (cfg->is_display_filled) {
 214         width  = source->i_visible_width;
 215         height = source->i_visible_height;
 216         display_width  = cfg->display.width;
 217         display_height = cfg->display.height;
 218     } else {
 219         vout_display_cfg_t cfg_tmp = *cfg;
 220
 221         cfg_tmp.display.width  = 0;
 222         cfg_tmp.display.height = 0;
 223         vout_display_GetDefaultDisplaySize(&width, &height,
 224                                            source, &cfg_tmp);
 225
 226         display_width  = width;
 227         display_height = height;
 228         if (do_clipping) {
 229             display_width  = __MIN(display_width,  cfg->display.width);
 230             display_height = __MIN(display_height, cfg->display.height);
 231         }
 232     }
 233
 234     /* Compute the height if we use the width to fill up display_width */
 235     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;
 236     /* And the same but switching width/height */
 237     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;
 238
 239     /* We keep the solution that avoid filling outside the display */
 240     if (scaled_width <= cfg->display.width) {
 241         place->width  = scaled_width;
 242         place->height = display_height;
 243     } else {
 244         place->width  = display_width;
 245         place->height = scaled_height;
 246     }
 247
 248     /*  Compute position */
 249     switch (cfg->align.horizontal) {
 250     case VOUT_DISPLAY_ALIGN_LEFT:
 251         place->x = 0;
 252         break;
 253     case VOUT_DISPLAY_ALIGN_RIGHT:
 254         place->x = cfg->display.width - place->width;
 255         break;
 256     default:
 257         place->x = (cfg->display.width - place->width) / 2;
 258         break;
 259     }
 260
 261     switch (cfg->align.vertical) {
 262     case VOUT_DISPLAY_ALIGN_TOP:
 263         place->y = 0;
 264         break;
 265     case VOUT_DISPLAY_ALIGN_BOTTOM:
 266         place->y = cfg->display.height - place->height;
 267         break;
 268     default:
 269         place->y = (cfg->display.height - place->height) / 2;
 270         break;
 271     }
 272 }
 273
 274 struct vout_display_owner_sys_t {
 275     vout_thread_t   *vout;
 276     bool            is_wrapper;  /* Is the current display a wrapper */
 277     vout_display_t  *wrapper; /* Vout display wrapper */
 278
 279     /* */
 280     vout_display_cfg_t cfg;
 281     bool     is_on_top_initial;
 282     struct {
 283         unsigned num;
 284         unsigned den;
 285     } sar_initial;
 286
 287     /* */
 288     int  width_saved;
 289     int  height_saved;
 290
 291     struct {
 292         unsigned num;
 293         unsigned den;
 294     } crop_saved;
 295
 296     /* */
 297     bool ch_display_filled;
 298     bool is_display_filled;
 299
 300     bool ch_zoom;
 301     struct {
 302         int  num;
 303         int  den;
 304     } zoom;
 305
 306     bool ch_on_top;
 307     bool is_on_top;
 308
 309     bool ch_sar;
 310     struct {
 311         unsigned num;
 312         unsigned den;
 313     } sar;
 314
 315     bool ch_crop;
 316     struct {
 317         unsigned x;
 318         unsigned y;
 319         unsigned width;
 320         unsigned height;
 321         unsigned num;
 322         unsigned den;
 323     } crop;
 324
 325     /* */
 326     video_format_t source;
 327     filter_chain_t *filters;
 328
 329     /* Lock protecting the variables used by
 330      * VoutDisplayEvent(ie vout_display_SendEvent) */
 331     vlc_mutex_t lock;
 332
 333     /* mouse state */
 334     struct {
 335         vlc_mouse_t state;
 336
 337         mtime_t last_pressed;
 338         mtime_t last_moved;
 339         bool    is_hidden;
 340         bool    ch_activity;
 341
 342         /* */
 343         mtime_t double_click_timeout;
 344         mtime_t hide_timeout;
 345     } mouse;
 346
 347     bool reset_pictures;
 348
 349     bool ch_fullscreen;
 350     bool is_fullscreen;
 351
 352     bool ch_display_size;
 353     int  display_width;
 354     int  display_height;
 355     bool display_is_fullscreen;
 356     bool display_is_forced;
 357 };
 358
 359 static void VoutDisplayCreateRender(vout_display_t *vd)
 360 {
 361     vout_display_owner_sys_t *osys = vd->owner.sys;
 362
 363     osys->filters = NULL;
 364
 365     video_format_t v_src = vd->source;
 366     v_src.i_aspect  = 0;
 367     v_src.i_sar_num = 0;
 368     v_src.i_sar_den = 0;
 369
 370     video_format_t v_dst = vd->fmt;
 371     v_dst.i_aspect  = 0;
 372     v_dst.i_sar_num = 0;
 373     v_dst.i_sar_den = 0;
 374
 375     video_format_t v_dst_cmp = v_dst;
 376     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 377         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 378         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 379         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 380         v_dst_cmp.i_chroma = v_src.i_chroma;
 381
 382     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 383     if (!convert)
 384         return;
 385
 386     msg_Err(vd, "A filter to adapt decoder to display is needed");
 387
 388     osys->filters = filter_chain_New(vd, "video filter2", false,
 389                                      FilterAllocationInit,
 390                                      FilterAllocationClean, vd);
 391     assert(osys->filters); /* TODO critical */
 392
 393     /* */
 394     es_format_t src;
 395     es_format_InitFromVideo(&src, &v_src);
 396
 397     /* */
 398     es_format_t dst;
 399
 400     filter_t *filter;
 401     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 402
 403         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 404
 405         filter_chain_Reset(osys->filters, &src, &dst);
 406         filter = filter_chain_AppendFilter(osys->filters,
 407                                            NULL, NULL, &src, &dst);
 408         if (filter)
 409             break;
 410     }
 411     if (!filter)
 412     {
 413         msg_Err(vd, "VoutDisplayCreateRender FAILED");
 414         /* TODO */
 415         assert(0);
 416     }
 417 }
 418
 419 static void VoutDisplayDestroyRender(vout_display_t *vd)
 420 {
 421     vout_display_owner_sys_t *osys = vd->owner.sys;
 422
 423     if (osys->filters)
 424         filter_chain_Delete(osys->filters);
 425 }
 426
 427 static void VoutDisplayResetRender(vout_display_t *vd)
 428 {
 429     VoutDisplayDestroyRender(vd);
 430     VoutDisplayCreateRender(vd);
 431 }
 432 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 433 {
 434     vout_display_owner_sys_t *osys = vd->owner.sys;
 435
 436     vlc_mutex_lock(&osys->lock);
 437
 438     /* */
 439     vlc_mouse_t m = osys->mouse.state;
 440     bool is_ignored = false;
 441
 442     switch (event) {
 443     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 444         const int x = (int)va_arg(args, int);
 445         const int y = (int)va_arg(args, int);
 446         const int button_mask = (int)va_arg(args, int);
 447
 448         vlc_mouse_Init(&m);
 449         m.i_x = x;
 450         m.i_y = y;
 451         m.i_pressed = button_mask;
 452         break;
 453     }
 454     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 455         const int x = (int)va_arg(args, int);
 456         const int y = (int)va_arg(args, int);
 457         if (x != osys->mouse.state.i_x || y != osys->mouse.state.i_y) {
 458             msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 459
 460             m.i_x = x;
 461             m.i_y = y;
 462             m.b_double_click = false;
 463         } else {
 464             is_ignored = true;
 465         }
 466         break;
 467     }
 468     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 469     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 470         const int button = (int)va_arg(args, int);
 471         const int button_mask = 1 << button;
 472
 473         /* Ignore inconsistent event */
 474         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 475             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 476             is_ignored = true;
 477             break;
 478         }
 479
 480         /* */
 481         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 482
 483         m.b_double_click = false;
 484         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 485             m.i_pressed |= button_mask;
 486         else
 487             m.i_pressed &= ~button_mask;
 488         break;
 489     }
 490     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 491         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 492
 493         m.b_double_click = true;
 494         break;
 495     default:
 496         assert(0);
 497     }
 498
 499     if (is_ignored) {
 500         vlc_mutex_unlock(&osys->lock);
 501         return;
 502     }
 503
 504     /* Emulate double-click if needed */
 505     if (!vd->info.has_double_click &&
 506         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 507         const mtime_t i_date = mdate();
 508
 509         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 510             m.b_double_click = true;
 511             osys->mouse.last_pressed = 0;
 512         } else {
 513             osys->mouse.last_pressed = mdate();
 514         }
 515     }
 516
 517     /* */
 518     osys->mouse.state = m;
 519
 520     /* */
 521     osys->mouse.ch_activity = true;
 522     if (!vd->info.has_hide_mouse)
 523         osys->mouse.last_moved = mdate();
 524
 525     /* */
 526     vlc_mutex_unlock(&osys->lock);
 527
 528     /* */
 529     vout_SendEventMouseVisible(osys->vout);
 530     vout_SendDisplayEventMouse(osys->vout, &m);
 531 }
 532
 533 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 534 {
 535     vout_display_owner_sys_t *osys = vd->owner.sys;
 536
 537     switch (event) {
 538     case VOUT_DISPLAY_EVENT_CLOSE: {
 539         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 540         vout_SendEventClose(osys->vout);
 541         break;
 542     }
 543     case VOUT_DISPLAY_EVENT_KEY: {
 544         const int key = (int)va_arg(args, int);
 545         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 546         vout_SendEventKey(osys->vout, key);
 547         break;
 548     }
 549     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 550     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 551     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 552     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 553     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 554         VoutDisplayEventMouse(vd, event, args);
 555         break;
 556
 557     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 558         const int is_fullscreen = (int)va_arg(args, int);
 559
 560         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 561
 562         vlc_mutex_lock(&osys->lock);
 563         if (!is_fullscreen != !osys->is_fullscreen) {
 564             osys->ch_fullscreen = true;
 565             osys->is_fullscreen = is_fullscreen;
 566         }
 567         vlc_mutex_unlock(&osys->lock);
 568         break;
 569     }
 570
 571     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 572         const int width  = (int)va_arg(args, int);
 573         const int height = (int)va_arg(args, int);
 574         const bool is_fullscreen = (bool)va_arg(args, int);
 575         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 576                 width, height, is_fullscreen ? "fullscreen" : "window");
 577
 578         /* */
 579         vlc_mutex_lock(&osys->lock);
 580
 581         osys->ch_display_size       = true;
 582         osys->display_width         = width;
 583         osys->display_height        = height;
 584         osys->display_is_fullscreen = is_fullscreen;
 585         osys->display_is_forced     = false;
 586
 587         vlc_mutex_unlock(&osys->lock);
 588         break;
 589     }
 590
 591     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 592         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 593
 594         /* */
 595         assert(vd->info.has_pictures_invalid);
 596
 597         vlc_mutex_lock(&osys->lock);
 598         osys->reset_pictures = true;
 599         vlc_mutex_unlock(&osys->lock);
 600         break;
 601     }
 602     default:
 603         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 604         /* TODO add an assert when all event are handled */
 605         break;
 606     }
 607 }
 608
 609 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 610 {
 611     vout_display_owner_sys_t *osys = vd->owner.sys;
 612
 613     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 614 }
 615 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 616 {
 617     vout_display_owner_sys_t *osys = vd->owner.sys;
 618
 619     vout_DeleteDisplayWindow(osys->vout, vd, window);
 620 }
 621
 622 void vout_ManageDisplay(vout_display_t *vd)
 623 {
 624     vout_display_owner_sys_t *osys = vd->owner.sys;
 625
 626     vout_display_Manage(vd);
 627
 628     /* Handle mouse timeout */
 629     const mtime_t date = mdate();
 630     bool  hide_mouse = false;
 631
 632     vlc_mutex_lock(&osys->lock);
 633
 634     if (!osys->mouse.is_hidden &&
 635         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 636         osys->mouse.is_hidden = hide_mouse = true;
 637     } else if (osys->mouse.ch_activity) {
 638         osys->mouse.is_hidden = false;
 639     }
 640     osys->mouse.ch_activity = false;
 641     vlc_mutex_unlock(&osys->lock);
 642
 643     if (hide_mouse) {
 644         if (!vd->info.has_hide_mouse) {
 645             msg_Dbg(vd, "auto hidding mouse");
 646             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 647         }
 648         vout_SendEventMouseHidden(osys->vout);
 649     }
 650
 651     bool reset_render = false;
 652     for (;;) {
 653
 654         vlc_mutex_lock(&osys->lock);
 655
 656         bool ch_fullscreen  = osys->ch_fullscreen;
 657         bool is_fullscreen  = osys->is_fullscreen;
 658         osys->ch_fullscreen = false;
 659
 660         bool ch_display_size       = osys->ch_display_size;
 661         int  display_width         = osys->display_width;
 662         int  display_height        = osys->display_height;
 663         bool display_is_fullscreen = osys->display_is_fullscreen;
 664         bool display_is_forced     = osys->display_is_forced;
 665         osys->ch_display_size = false;
 666
 667         bool reset_pictures = osys->reset_pictures;
 668         osys->reset_pictures = false;
 669
 670         vlc_mutex_unlock(&osys->lock);
 671
 672         if (!ch_fullscreen &&
 673             !ch_display_size &&
 674             !reset_pictures &&
 675             !osys->ch_display_filled &&
 676             !osys->ch_zoom &&
 677             !osys->ch_on_top &&
 678             !osys->ch_sar &&
 679             !osys->ch_crop)
 680             break;
 681
 682         /* */
 683         if (ch_fullscreen) {
 684             vout_display_cfg_t cfg = osys->cfg;
 685
 686             cfg.is_fullscreen  = is_fullscreen;
 687             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 688             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 689
 690             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 691                 msg_Err(vd, "Failed to set fullscreen");
 692                 is_fullscreen = osys->cfg.is_fullscreen;
 693             }
 694             osys->cfg.is_fullscreen = is_fullscreen;
 695
 696             /* */
 697             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 698         }
 699
 700         /* */
 701         if (ch_display_size) {
 702             vout_display_cfg_t cfg = osys->cfg;
 703             cfg.display.width  = display_width;
 704             cfg.display.height = display_height;
 705
 706             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 707                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 708                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 709                     msg_Err(vd, "Failed to resize display");
 710
 711                 /* We ignore the resized */
 712                 display_width  = osys->cfg.display.width;
 713                 display_height = osys->cfg.display.height;
 714             }
 715             osys->cfg.display.width  = display_width;
 716             osys->cfg.display.height = display_height;
 717
 718             if (!display_is_fullscreen) {
 719                 osys->width_saved  = display_width;
 720                 osys->height_saved = display_height;
 721             }
 722         }
 723         /* */
 724         if (osys->ch_display_filled) {
 725             vout_display_cfg_t cfg = osys->cfg;
 726
 727             cfg.is_display_filled = osys->is_display_filled;
 728
 729             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 730                 msg_Err(vd, "Failed to change display filled state");
 731                 osys->is_display_filled = osys->cfg.is_display_filled;
 732             }
 733             osys->cfg.is_display_filled = osys->is_display_filled;
 734             osys->ch_display_filled = false;
 735
 736             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 737         }
 738         /* */
 739         if (osys->ch_zoom) {
 740             vout_display_cfg_t cfg = osys->cfg;
 741
 742             cfg.zoom.num = osys->zoom.num;
 743             cfg.zoom.den = osys->zoom.den;
 744
 745             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 746                 cfg.zoom.num = 1;
 747                 cfg.zoom.den = 10;
 748             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 749                 cfg.zoom.num = 10;
 750                 cfg.zoom.den = 1;
 751             }
 752
 753             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 754                 msg_Err(vd, "Failed to change zoom");
 755                 osys->zoom.num = osys->cfg.zoom.num;
 756                 osys->zoom.den = osys->cfg.zoom.den;
 757             } else if (cfg.is_display_filled) {
 758                 const int display_width  = (int64_t)vd->source.i_width  * osys->zoom.num / osys->zoom.den;
 759                 const int display_height = (int64_t)vd->source.i_height * osys->zoom.num / osys->zoom.den;
 760
 761                 vlc_mutex_lock(&osys->lock);
 762
 763                 osys->ch_display_size       = true;
 764                 osys->display_width         = display_width;
 765                 osys->display_height        = display_height;
 766                 osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 767                 osys->display_is_forced     = true;
 768
 769                 vlc_mutex_unlock(&osys->lock);
 770             }
 771
 772             osys->cfg.zoom.num = osys->zoom.num;
 773             osys->cfg.zoom.den = osys->zoom.den;
 774             osys->ch_zoom = false;
 775
 776             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 777         }
 778         /* */
 779         if (osys->ch_on_top) {
 780             bool is_on_top = osys->is_on_top;
 781
 782             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ON_TOP, is_on_top)) {
 783                 msg_Err(vd, "Failed to set on top");
 784                 is_on_top = osys->is_on_top_initial;
 785             }
 786             osys->is_on_top_initial =
 787             osys->is_on_top         = is_on_top;
 788             osys->ch_on_top = false;
 789
 790             /* */
 791             vout_SendEventOnTop(osys->vout, osys->is_on_top_initial);
 792         }
 793         /* */
 794         if (osys->ch_sar) {
 795             video_format_t source = vd->source;
 796
 797             if (osys->sar.num > 0 && osys->sar.den > 0) {
 798                 source.i_sar_num = osys->sar.num;
 799                 source.i_sar_den = osys->sar.den;
 800             } else {
 801                 source.i_sar_num = osys->source.i_sar_num;
 802                 source.i_sar_den = osys->source.i_sar_den;
 803             }
 804
 805             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 806                 /* There nothing much we can do. The only reason a vout display
 807                  * does not support it is because it need the core to add black border
 808                  * to the video for it.
 809                  * TODO add black borders ?
 810                  */
 811                 msg_Err(vd, "Failed to change source AR");
 812                 source = vd->source;
 813             }
 814             vd->source = source;
 815             osys->sar.num = source.i_sar_num;
 816             osys->sar.den = source.i_sar_den;
 817             osys->ch_sar  = false;
 818
 819             /* */
 820             if (osys->sar.num == osys->source.i_sar_num &&
 821                 osys->sar.den == osys->source.i_sar_den)
 822             {
 823                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 824             }
 825             else
 826             {
 827                 unsigned dar_num, dar_den;
 828                 vlc_ureduce( &dar_num, &dar_den,
 829                              osys->sar.num * vd->source.i_visible_width,
 830                              osys->sar.den * vd->source.i_visible_height,
 831                              65536);
 832                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 833             }
 834         }
 835         /* */
 836         if (osys->ch_crop) {
 837             video_format_t source = vd->source;
 838             unsigned crop_num = osys->crop.num;
 839             unsigned crop_den = osys->crop.den;
 840
 841             source.i_x_offset       = osys->crop.x;
 842             source.i_y_offset       = osys->crop.y;
 843             source.i_visible_width  = osys->crop.width;
 844             source.i_visible_height = osys->crop.height;
 845
 846             /* */
 847             const bool is_valid = source.i_x_offset < source.i_width &&
 848                                   source.i_y_offset < source.i_height &&
 849                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 850                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 851                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 852
 853             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 854                 if (is_valid)
 855                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 856                 else
 857                     msg_Err(vd, "Invalid crop requested");
 858
 859                 source = vd->source;
 860                 crop_num = osys->crop_saved.num;
 861                 crop_den = osys->crop_saved.den;
 862                 /* FIXME implement cropping in the core if not supported by the
 863                  * vout module (easy)
 864                  */
 865             }
 866             vd->source = source;
 867             osys->crop.x      = source.i_x_offset;
 868             osys->crop.y      = source.i_y_offset;
 869             osys->crop.width  = source.i_visible_width;
 870             osys->crop.height = source.i_visible_height;
 871             osys->crop.num    = crop_num;
 872             osys->crop.den    = crop_den;
 873             osys->ch_crop = false;
 874
 875             /* TODO fix when a ratio is used (complicated). */
 876             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
 877             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
 878             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
 879             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
 880             vout_SendEventSourceCrop(osys->vout,
 881                                      osys->crop.num, osys->crop.den,
 882                                      left, top, right, bottom);
 883         }
 884
 885         /* */
 886         if (reset_pictures) {
 887             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
 888                 /* FIXME what to do here ? */
 889                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
 890             }
 891             reset_render = true;
 892         }
 893     }
 894     if (reset_render)
 895         VoutDisplayResetRender(vd);
 896 }
 897
 898 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
 899 {
 900     vout_display_owner_sys_t *osys = vd->owner.sys;
 901
 902     vlc_mutex_lock(&osys->lock);
 903     const bool reset_pictures = osys->reset_pictures;
 904     vlc_mutex_unlock(&osys->lock);
 905
 906     return reset_pictures;
 907 }
 908
 909 bool vout_IsDisplayFiltered(vout_display_t *vd)
 910 {
 911     vout_display_owner_sys_t *osys = vd->owner.sys;
 912
 913     return osys->filters != NULL;
 914 }
 915
 916 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
 917 {
 918     vout_display_owner_sys_t *osys = vd->owner.sys;
 919
 920     assert(osys->filters);
 921     return filter_chain_VideoFilter(osys->filters, picture);
 922 }
 923
 924 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
 925 {
 926     vout_display_owner_sys_t *osys = vd->owner.sys;
 927
 928     vlc_mutex_lock(&osys->lock);
 929     if (!osys->is_fullscreen != !is_fullscreen) {
 930         osys->ch_fullscreen = true;
 931         osys->is_fullscreen = is_fullscreen;
 932     }
 933     vlc_mutex_unlock(&osys->lock);
 934 }
 935
 936 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
 937 {
 938     vout_display_owner_sys_t *osys = vd->owner.sys;
 939
 940     if (!osys->is_display_filled != !is_filled) {
 941         osys->ch_display_filled = true;
 942         osys->is_display_filled = is_filled;
 943     }
 944 }
 945
 946 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
 947 {
 948     vout_display_owner_sys_t *osys = vd->owner.sys;
 949
 950     if (osys->zoom.num != num || osys->zoom.den != den) {
 951         osys->ch_zoom = true;
 952         osys->zoom.num = num;
 953         osys->zoom.den = den;
 954     }
 955 }
 956 void vout_SetDisplayOnTop(vout_display_t *vd, bool is_on_top)
 957 {
 958     vout_display_owner_sys_t *osys = vd->owner.sys;
 959
 960     if (!osys->is_on_top != !is_on_top) {
 961         osys->ch_on_top = true;
 962         osys->is_on_top = is_on_top;
 963     }
 964 }
 965 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
 966 {
 967     vout_display_owner_sys_t *osys = vd->owner.sys;
 968
 969     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
 970         osys->ch_sar = true;
 971         osys->sar.num = sar_num;
 972         osys->sar.den = sar_den;
 973     }
 974 }
 975 void vout_SetDisplayCrop(vout_display_t *vd,
 976                          unsigned crop_num, unsigned crop_den,
 977                          unsigned x, unsigned y, unsigned width, unsigned height)
 978 {
 979     vout_display_owner_sys_t *osys = vd->owner.sys;
 980
 981     if (osys->crop.x != x || osys->crop.y != y ||
 982         osys->crop.width  != width || osys->crop.height != height) {
 983
 984         osys->crop.x      = x;
 985         osys->crop.y      = y;
 986         osys->crop.width  = width;
 987         osys->crop.height = height;
 988         osys->crop.num    = crop_num;
 989         osys->crop.den    = crop_den;
 990
 991         osys->ch_crop = true;
 992     }
 993 }
 994
 995
 996 static vout_display_t *DisplayNew(vout_thread_t *vout,
 997                                   const video_format_t *source_org,
 998                                   const vout_display_state_t *state,
 999                                   const char *module,
1000                                   bool is_wrapper, vout_display_t *wrapper,
1001                                   mtime_t double_click_timeout,
1002                                   mtime_t hide_timeout,
1003                                   const vout_display_owner_t *owner_ptr)
1004 {
1005     /* */
1006     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1007     vout_display_cfg_t *cfg = &osys->cfg;
1008
1009     *cfg = state->cfg;
1010     osys->is_on_top_initial = state->is_on_top;;
1011     osys->sar_initial.num = state->sar.num;
1012     osys->sar_initial.den = state->sar.den;
1013     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1014                                        source_org, cfg);
1015
1016     osys->vout = vout;
1017     osys->is_wrapper = is_wrapper;
1018     osys->wrapper = wrapper;
1019
1020     vlc_mutex_init(&osys->lock);
1021
1022     vlc_mouse_Init(&osys->mouse.state);
1023     osys->mouse.last_moved = mdate();
1024     osys->mouse.double_click_timeout = double_click_timeout;
1025     osys->mouse.hide_timeout = hide_timeout;
1026     osys->is_fullscreen  = cfg->is_fullscreen;
1027     osys->width_saved    =
1028     osys->display_width  = cfg->display.width;
1029     osys->height_saved   =
1030     osys->display_height = cfg->display.height;
1031     osys->is_display_filled = cfg->is_display_filled;
1032     osys->zoom.num = cfg->zoom.num;
1033     osys->zoom.den = cfg->zoom.den;
1034
1035     osys->source = *source_org;
1036
1037     video_format_t source = *source_org;
1038
1039     source.i_x_offset =
1040     osys->crop.x  = 0;
1041     source.i_y_offset =
1042     osys->crop.y  = 0;
1043     source.i_visible_width  =
1044     osys->crop.width    = source.i_width;
1045     source.i_visible_height =
1046     osys->crop.height   = source.i_height;
1047     osys->crop_saved.num = 0;
1048     osys->crop_saved.den = 0;
1049     osys->crop.num = 0;
1050     osys->crop.den = 0;
1051
1052     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1053     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1054
1055     vout_display_owner_t owner;
1056     if (owner_ptr) {
1057         owner = *owner_ptr;
1058     } else {
1059         owner.event      = VoutDisplayEvent;
1060         owner.window_new = VoutDisplayNewWindow;
1061         owner.window_del = VoutDisplayDelWindow;
1062     }
1063     owner.sys = osys;
1064
1065     /* */
1066     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1067                                                  module, !is_wrapper,
1068                                                  &source, cfg, &owner);
1069     if (!p_display) {
1070         free(osys);
1071         return NULL;
1072     }
1073
1074     VoutDisplayCreateRender(p_display);
1075
1076     /* Setup delayed request */
1077     if (osys->sar.num != source_org->i_sar_num ||
1078         osys->sar.den != source_org->i_sar_den)
1079         osys->ch_sar = true;
1080     if (osys->is_on_top)
1081         osys->ch_on_top = true;
1082     if (osys->crop.x      != source_org->i_x_offset ||
1083         osys->crop.y      != source_org->i_y_offset ||
1084         osys->crop.width  != source_org->i_visible_width ||
1085         osys->crop.height != source_org->i_visible_height)
1086         osys->ch_crop = true;
1087
1088     return p_display;
1089 }
1090
1091 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1092 {
1093     vout_display_owner_sys_t *osys = vd->owner.sys;
1094
1095     if (state) {
1096         if (!osys->is_wrapper )
1097             state->cfg = osys->cfg;
1098         state->is_on_top = osys->is_on_top_initial;
1099         state->sar.num   = osys->sar_initial.num;
1100         state->sar.den   = osys->sar_initial.den;
1101     }
1102
1103     VoutDisplayDestroyRender(vd);
1104     if (osys->is_wrapper)
1105         SplitterClose(vd);
1106     vout_display_Delete(vd);
1107     vlc_mutex_destroy(&osys->lock);
1108     free(osys);
1109 }
1110
1111 /*****************************************************************************
1112  *
1113  *****************************************************************************/
1114 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1115                                 const video_format_t *source,
1116                                 const vout_display_state_t *state,
1117                                 const char *module,
1118                                 mtime_t double_click_timeout,
1119                                 mtime_t hide_timeout)
1120 {
1121     return DisplayNew(vout, source, state, module, false, NULL,
1122                       double_click_timeout, hide_timeout, NULL);
1123 }
1124
1125 static void SplitterClose(vout_display_t *vd)
1126 {
1127     VLC_UNUSED(vd);
1128     assert(0);
1129 }
1130
1131 #if 0
1132 /*****************************************************************************
1133  *
1134  *****************************************************************************/
1135 struct vout_display_sys_t {
1136     video_splitter_t *splitter;
1137
1138     /* */
1139     int            count;
1140     picture_t      **picture;
1141     vout_display_t **display;
1142 };
1143 struct video_splitter_owner_t {
1144     vout_display_t *wrapper;
1145 };
1146
1147 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1148 {
1149     vout_display_owner_sys_t *osys = vd->owner.sys;
1150
1151     vout_window_cfg_t cfg = *cfg_ptr;
1152     cfg.is_standalone = true;
1153     cfg.x += 0;//output->window.i_x; FIXME
1154     cfg.y += 0;//output->window.i_y;
1155
1156     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1157 }
1158 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1159 {
1160     vout_display_owner_sys_t *osys = vd->owner.sys;
1161
1162     vout_DeleteDisplayWindow(osys->vout, vd, window);
1163 }
1164 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1165 {
1166     vout_display_owner_sys_t *osys = vd->owner.sys;
1167
1168     switch (event) {
1169 #if 0
1170     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1171     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1172     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1173     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1174         /* TODO */
1175         break;
1176 #endif
1177     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1178     case VOUT_DISPLAY_EVENT_KEY:
1179     case VOUT_DISPLAY_EVENT_CLOSE:
1180     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1181     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1182     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1183         VoutDisplayEvent(vd, event, args);
1184         break;
1185
1186     default:
1187         msg_Err(vd, "SplitterEvent TODO");
1188         break;
1189     }
1190 }
1191
1192 static picture_t *SplitterGet(vout_display_t *vd)
1193 {
1194     /* TODO pool ? */
1195     return picture_NewFromFormat(&vd->fmt);
1196 }
1197 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1198 {
1199     vout_display_sys_t *sys = vd->sys;
1200
1201     picture_Hold(picture);
1202
1203     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1204         for (int i = 0; i < sys->count; i++)
1205             sys->picture[i] = NULL;
1206         picture_Release(picture);
1207         return;
1208     }
1209
1210     for (int i = 0; i < sys->count; i++) {
1211         /* */
1212         /* FIXME now vout_FilterDisplay already return a direct buffer FIXME */
1213         sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1214         if (!sys->picture[i])
1215             continue;
1216
1217         /* */
1218         picture_t *direct = vout_display_Get(sys->display[i]);
1219         if (!direct) {
1220             msg_Err(vd, "Failed to get a direct buffer");
1221             picture_Release(sys->picture[i]);
1222             sys->picture[i] = NULL;
1223             continue;
1224         }
1225
1226         /* FIXME not always needed (easy when there is a osys->filters) */
1227         picture_Copy(direct, sys->picture[i]);
1228         picture_Release(sys->picture[i]);
1229         sys->picture[i] = direct;
1230
1231         vout_display_Prepare(sys->display[i], sys->picture[i]);
1232     }
1233 }
1234 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1235 {
1236     vout_display_sys_t *sys = vd->sys;
1237
1238     for (int i = 0; i < sys->count; i++) {
1239         if (sys->picture[i])
1240             vout_display_Display(sys->display[i], sys->picture[i]);
1241     }
1242     picture_Release(picture);
1243 }
1244 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1245 {
1246     return VLC_EGENERIC;
1247 }
1248 static void SplitterManage(vout_display_t *vd)
1249 {
1250     vout_display_sys_t *sys = vd->sys;
1251
1252     for (int i = 0; i < sys->count; i++)
1253         vout_ManageDisplay(sys->display[i]);
1254 }
1255
1256 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1257 {
1258     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1259
1260     for (int i = 0; i < wsys->count; i++) {
1261         /* TODO pool ? */
1262         picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1263         if (!picture[i]) {
1264             for (int j = 0; j < i; j++)
1265                 picture_Release(picture[j]);
1266             return VLC_EGENERIC;
1267         }
1268     }
1269     return VLC_SUCCESS;
1270 }
1271 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1272 {
1273     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1274
1275     for (int i = 0; i < wsys->count; i++)
1276         picture_Release(picture[i]);
1277 }
1278 static void SplitterClose(vout_display_t *vd)
1279 {
1280     vout_display_sys_t *sys = vd->sys;
1281
1282     /* */
1283     video_splitter_t *splitter = sys->splitter;
1284     free(splitter->p_owner);
1285     video_splitter_Delete(splitter);
1286
1287     /* */
1288     for (int i = 0; i < sys->count; i++)
1289         vout_DeleteDisplay(sys->display[i], NULL);
1290     TAB_CLEAN(sys->count, sys->display);
1291     free(sys->picture);
1292
1293     free(sys);
1294 }
1295
1296 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1297                                  const video_format_t *source,
1298                                  const vout_display_state_t *state,
1299                                  const char *module,
1300                                  const char *splitter_module,
1301                                  mtime_t double_click_timeout,
1302                                  mtime_t hide_timeout)
1303 {
1304     video_splitter_t *splitter =
1305         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1306     if (!splitter)
1307         return NULL;
1308
1309     /* */
1310     vout_display_t *wrapper =
1311         DisplayNew(vout, source, state, module, true, NULL,
1312                     double_click_timeout, hide_timeout, NULL);
1313     if (!wrapper) {
1314         video_splitter_Delete(splitter);
1315         return NULL;
1316     }
1317     vout_display_sys_t *sys = malloc(sizeof(*sys));
1318     if (!sys)
1319         abort();
1320     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1321     if (!sys->picture )
1322         abort();
1323     sys->splitter = splitter;
1324
1325     wrapper->get     = SplitterGet;
1326     wrapper->prepare = SplitterPrepare;
1327     wrapper->display = SplitterDisplay;
1328     wrapper->control = SplitterControl;
1329     wrapper->manage  = SplitterManage;
1330     wrapper->sys     = sys;
1331
1332     /* */
1333     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1334     if (!owner)
1335         abort();
1336     owner->wrapper = wrapper;
1337     splitter->p_owner = owner;
1338     splitter->pf_picture_new = SplitterPictureNew;
1339     splitter->pf_picture_del = SplitterPictureDel;
1340
1341     /* */
1342     TAB_INIT(sys->count, sys->display);
1343     for (int i = 0; i < splitter->i_output; i++) {
1344         vout_display_owner_t owner;
1345
1346         owner.event      = SplitterEvent;
1347         owner.window_new = SplitterNewWindow;
1348         owner.window_del = SplitterDelWindow;
1349
1350         const video_splitter_output_t *output = &splitter->p_output[i];
1351         vout_display_state_t ostate;
1352
1353         memset(&ostate, 0, sizeof(ostate));
1354         ostate.cfg.is_fullscreen = false;
1355         ostate.cfg.display = state->cfg.display;
1356         ostate.cfg.align.horizontal = 0; /* TODO */
1357         ostate.cfg.align.vertical = 0; /* TODO */
1358         ostate.cfg.is_display_filled = true;
1359         ostate.cfg.zoom.num = 1;
1360         ostate.cfg.zoom.den = 1;
1361
1362         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1363                                            output->psz_module ? output->psz_module : module,
1364                                            false, wrapper,
1365                                            double_click_timeout, hide_timeout, &owner);
1366         if (!vd) {
1367             vout_DeleteDisplay(wrapper, NULL);
1368             return NULL;
1369         }
1370         TAB_APPEND(sys->count, sys->display, vd);
1371     }
1372
1373     return wrapper;
1374 }
1375 #endif
1376
1377 /*****************************************************************************
1378  * TODO move out
1379  *****************************************************************************/
1380 #include "vout_internal.h"
1381 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1382 {
1383     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1384         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1385     }
1386     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1387         static const int buttons[] = {
1388             MOUSE_BUTTON_LEFT,
1389             MOUSE_BUTTON_CENTER,
1390             MOUSE_BUTTON_RIGHT,
1391             MOUSE_BUTTON_WHEEL_UP,
1392             MOUSE_BUTTON_WHEEL_DOWN,
1393             -1
1394         };
1395         for (int i = 0; buttons[i] >= 0; i++) {
1396             const int button = buttons[i];
1397             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1398                 vout_SendEventMousePressed(vout, button);
1399             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1400                 vout_SendEventMouseReleased(vout, button);
1401         }
1402     }
1403     if (m->b_double_click)
1404         vout_SendEventMouseDoubleClick(vout);
1405     vout->p->mouse = *m;
1406 }
1407 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd, const vout_window_cfg_t *cfg)
1408 {
1409     VLC_UNUSED(vd);
1410     vout_window_cfg_t cfg_override = *cfg;
1411
1412     if( !config_GetInt( vout, "embedded-video" ) )
1413         cfg_override.is_standalone = true;
1414
1415     return vout_window_New(VLC_OBJECT(vout), NULL, &cfg_override);
1416 }
1417 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd, vout_window_t *window)
1418 {
1419     VLC_UNUSED(vout);
1420     VLC_UNUSED(vd);
1421     vout_window_Delete(window);
1422 }
1423