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 /* It must be present as long as a vout_display_t must be created using a dummy
  44  * vout (as an opengl provider) */
  45 #define ALLOW_DUMMY_VOUT
  46
  47 static void SplitterClose(vout_display_t *vd);
  48
  49 /*****************************************************************************
  50  * FIXME/TODO see how to have direct rendering here (interact with vout.c)
  51  *****************************************************************************/
  52 static picture_t *VideoBufferNew(filter_t *filter)
  53 {
  54     vout_display_t *vd = (vout_display_t*)filter->p_owner;
  55     const video_format_t *fmt = &filter->fmt_out.video;
  56
  57     assert(vd->fmt.i_chroma == fmt->i_chroma &&
  58            vd->fmt.i_width  == fmt->i_width  &&
  59            vd->fmt.i_height == fmt->i_height);
  60
  61     picture_pool_t *pool = vout_display_Pool(vd, 3);
  62     if (!pool)
  63         return NULL;
  64     return picture_pool_Get(pool);
  65 }
  66 static void VideoBufferDelete(filter_t *filter, picture_t *picture)
  67 {
  68     VLC_UNUSED(filter);
  69     picture_Release(picture);
  70 }
  71
  72 static int  FilterAllocationInit(filter_t *filter, void *vd)
  73 {
  74     filter->pf_video_buffer_new = VideoBufferNew;
  75     filter->pf_video_buffer_del = VideoBufferDelete;
  76     filter->p_owner             = vd;
  77
  78     return VLC_SUCCESS;
  79 }
  80 static void FilterAllocationClean(filter_t *filter)
  81 {
  82     filter->pf_video_buffer_new = NULL;
  83     filter->pf_video_buffer_del = NULL;
  84     filter->p_owner             = NULL;
  85 }
  86
  87 /*****************************************************************************
  88  *
  89  *****************************************************************************/
  90
  91 /**
  92  * It creates a new vout_display_t using the given configuration.
  93  */
  94 static vout_display_t *vout_display_New(vlc_object_t *obj,
  95                                         const char *module, bool load_module,
  96                                         const video_format_t *fmt,
  97                                         const vout_display_cfg_t *cfg,
  98                                         vout_display_owner_t *owner)
  99 {
 100     /* */
 101     vout_display_t *vd = vlc_object_create(obj, sizeof(*vd));
 102
 103     /* */
 104     video_format_Copy(&vd->source, fmt);
 105
 106     /* Picture buffer does not have the concept of aspect ratio */
 107     video_format_Copy(&vd->fmt, fmt);
 108     vd->fmt.i_sar_num = 0;
 109     vd->fmt.i_sar_den = 0;
 110
 111     vd->info.is_slow = false;
 112     vd->info.has_double_click = false;
 113     vd->info.has_hide_mouse = false;
 114     vd->info.has_pictures_invalid = false;
 115
 116     vd->cfg = cfg;
 117     vd->pool = NULL;
 118     vd->prepare = NULL;
 119     vd->display = NULL;
 120     vd->control = NULL;
 121     vd->manage = NULL;
 122     vd->sys = NULL;
 123
 124     vd->owner = *owner;
 125
 126     vlc_object_attach(vd, obj);
 127
 128     if (load_module) {
 129         vd->module = module_need(vd, "vout display", module, module && *module != '\0');
 130         if (!vd->module) {
 131             vlc_object_release(vd);
 132             return NULL;
 133         }
 134     } else {
 135         vd->module = NULL;
 136     }
 137     return vd;
 138 }
 139
 140 /**
 141  * It deletes a vout_display_t
 142  */
 143 static void vout_display_Delete(vout_display_t *vd)
 144 {
 145     if (vd->module)
 146         module_unneed(vd, vd->module);
 147
 148     vlc_object_release(vd);
 149 }
 150
 151 /**
 152  * It controls a vout_display_t
 153  */
 154 static int vout_display_Control(vout_display_t *vd, int query, ...)
 155 {
 156     va_list args;
 157     int result;
 158
 159     va_start(args, query);
 160     result = vd->control(vd, query, args);
 161     va_end(args);
 162
 163     return result;
 164 }
 165 static void vout_display_Manage(vout_display_t *vd)
 166 {
 167     if (vd->manage)
 168         vd->manage(vd);
 169 }
 170
 171 /* */
 172 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 173                                         const video_format_t *source,
 174                                         const vout_display_cfg_t *cfg)
 175 {
 176     if (cfg->display.width > 0 && cfg->display.height > 0) {
 177         *width  = cfg->display.width;
 178         *height = cfg->display.height;
 179     } else if (cfg->display.width > 0) {
 180         *width  = cfg->display.width;
 181         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 182             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 183     } else if (cfg->display.height > 0) {
 184         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 185             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 186         *height = cfg->display.height;
 187     } else if (source->i_sar_num >= source->i_sar_den) {
 188         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 189         *height = source->i_visible_height;
 190     } else {
 191         *width  = source->i_visible_width;
 192         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 193     }
 194
 195     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 196     *height = *height * cfg->zoom.num / cfg->zoom.den;
 197 }
 198
 199 /* */
 200 void vout_display_PlacePicture(vout_display_place_t *place,
 201                                const video_format_t *source,
 202                                const vout_display_cfg_t *cfg,
 203                                bool do_clipping)
 204 {
 205     /* */
 206     memset(place, 0, sizeof(*place));
 207     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 208         return;
 209
 210     /* */
 211     unsigned display_width;
 212     unsigned display_height;
 213
 214     if (cfg->is_display_filled) {
 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(&display_width, &display_height,
 223                                            source, &cfg_tmp);
 224
 225         if (do_clipping) {
 226             display_width  = __MIN(display_width,  cfg->display.width);
 227             display_height = __MIN(display_height, cfg->display.height);
 228         }
 229     }
 230
 231     const unsigned width  = source->i_visible_width;
 232     const unsigned height = source->i_visible_height;
 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     /* */
 279     vout_display_cfg_t cfg;
 280     unsigned     wm_state_initial;
 281     struct {
 282         unsigned num;
 283         unsigned den;
 284     } sar_initial;
 285
 286     /* */
 287     int  width_saved;
 288     int  height_saved;
 289
 290     struct {
 291         unsigned num;
 292         unsigned den;
 293     } crop_saved;
 294
 295     /* */
 296     bool ch_display_filled;
 297     bool is_display_filled;
 298
 299     bool ch_zoom;
 300     struct {
 301         int  num;
 302         int  den;
 303     } zoom;
 304
 305     bool ch_wm_state;
 306     unsigned wm_state;
 307
 308     bool ch_sar;
 309     struct {
 310         unsigned num;
 311         unsigned den;
 312     } sar;
 313
 314     bool ch_crop;
 315     struct {
 316         unsigned x;
 317         unsigned y;
 318         unsigned width;
 319         unsigned height;
 320         unsigned num;
 321         unsigned den;
 322     } crop;
 323
 324     /* */
 325     video_format_t source;
 326     filter_chain_t *filters;
 327
 328     /* Lock protecting the variables used by
 329      * VoutDisplayEvent(ie vout_display_SendEvent) */
 330     vlc_mutex_t lock;
 331
 332     /* mouse state */
 333     struct {
 334         vlc_mouse_t state;
 335
 336         mtime_t last_pressed;
 337         mtime_t last_moved;
 338         bool    is_hidden;
 339         bool    ch_activity;
 340
 341         /* */
 342         mtime_t double_click_timeout;
 343         mtime_t hide_timeout;
 344     } mouse;
 345
 346     bool reset_pictures;
 347
 348     bool ch_fullscreen;
 349     bool is_fullscreen;
 350
 351     bool ch_display_size;
 352     int  display_width;
 353     int  display_height;
 354     bool display_is_fullscreen;
 355     bool display_is_forced;
 356
 357 #ifdef ALLOW_DUMMY_VOUT
 358     vlc_mouse_t vout_mouse;
 359 #endif
 360 };
 361
 362 static void DummyVoutSendDisplayEventMouse(vout_thread_t *, vlc_mouse_t *fallback, const vlc_mouse_t *m);
 363
 364 static void VoutDisplayCreateRender(vout_display_t *vd)
 365 {
 366     vout_display_owner_sys_t *osys = vd->owner.sys;
 367
 368     osys->filters = NULL;
 369
 370     video_format_t v_src = vd->source;
 371     v_src.i_sar_num = 0;
 372     v_src.i_sar_den = 0;
 373
 374     video_format_t v_dst = vd->fmt;
 375     v_dst.i_sar_num = 0;
 376     v_dst.i_sar_den = 0;
 377
 378     video_format_t v_dst_cmp = v_dst;
 379     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 380         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 381         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 382         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 383         v_dst_cmp.i_chroma = v_src.i_chroma;
 384
 385     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 386     if (!convert)
 387         return;
 388
 389     msg_Dbg(vd, "A filter to adapt decoder to display is needed");
 390
 391     osys->filters = filter_chain_New(vd, "video filter2", false,
 392                                      FilterAllocationInit,
 393                                      FilterAllocationClean, vd);
 394     assert(osys->filters); /* TODO critical */
 395
 396     /* */
 397     es_format_t src;
 398     es_format_InitFromVideo(&src, &v_src);
 399
 400     /* */
 401     es_format_t dst;
 402
 403     filter_t *filter;
 404     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 405
 406         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 407
 408         filter_chain_Reset(osys->filters, &src, &dst);
 409         filter = filter_chain_AppendFilter(osys->filters,
 410                                            NULL, NULL, &src, &dst);
 411         if (filter)
 412             break;
 413     }
 414     if (!filter)
 415     {
 416         msg_Err(vd, "VoutDisplayCreateRender FAILED");
 417         /* TODO */
 418         assert(0);
 419     }
 420 }
 421
 422 static void VoutDisplayDestroyRender(vout_display_t *vd)
 423 {
 424     vout_display_owner_sys_t *osys = vd->owner.sys;
 425
 426     if (osys->filters)
 427         filter_chain_Delete(osys->filters);
 428 }
 429
 430 static void VoutDisplayResetRender(vout_display_t *vd)
 431 {
 432     VoutDisplayDestroyRender(vd);
 433     VoutDisplayCreateRender(vd);
 434 }
 435 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 436 {
 437     vout_display_owner_sys_t *osys = vd->owner.sys;
 438
 439     vlc_mutex_lock(&osys->lock);
 440
 441     /* */
 442     vlc_mouse_t m = osys->mouse.state;
 443     bool is_ignored = false;
 444
 445     switch (event) {
 446     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 447         const int x = (int)va_arg(args, int);
 448         const int y = (int)va_arg(args, int);
 449         const int button_mask = (int)va_arg(args, int);
 450
 451         vlc_mouse_Init(&m);
 452         m.i_x = x;
 453         m.i_y = y;
 454         m.i_pressed = button_mask;
 455         break;
 456     }
 457     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 458         const int x = (int)va_arg(args, int);
 459         const int y = (int)va_arg(args, int);
 460         if (x != osys->mouse.state.i_x || y != osys->mouse.state.i_y) {
 461             //msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 462
 463             m.i_x = x;
 464             m.i_y = y;
 465             m.b_double_click = false;
 466         } else {
 467             is_ignored = true;
 468         }
 469         break;
 470     }
 471     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 472     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 473         const int button = (int)va_arg(args, int);
 474         const int button_mask = 1 << button;
 475
 476         /* Ignore inconsistent event */
 477         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 478             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 479             is_ignored = true;
 480             break;
 481         }
 482
 483         /* */
 484         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 485
 486         m.b_double_click = false;
 487         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 488             m.i_pressed |= button_mask;
 489         else
 490             m.i_pressed &= ~button_mask;
 491         break;
 492     }
 493     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 494         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 495
 496         m.b_double_click = true;
 497         break;
 498     default:
 499         assert(0);
 500     }
 501
 502     if (is_ignored) {
 503         vlc_mutex_unlock(&osys->lock);
 504         return;
 505     }
 506
 507     /* Emulate double-click if needed */
 508     if (!vd->info.has_double_click &&
 509         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 510         const mtime_t i_date = mdate();
 511
 512         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 513             m.b_double_click = true;
 514             osys->mouse.last_pressed = 0;
 515         } else {
 516             osys->mouse.last_pressed = mdate();
 517         }
 518     }
 519
 520     /* */
 521     osys->mouse.state = m;
 522
 523     /* */
 524     osys->mouse.ch_activity = true;
 525     if (!vd->info.has_hide_mouse)
 526         osys->mouse.last_moved = mdate();
 527
 528     /* */
 529     vout_SendEventMouseVisible(osys->vout);
 530 #ifdef ALLOW_DUMMY_VOUT
 531     DummyVoutSendDisplayEventMouse(osys->vout, &osys->vout_mouse, &m);
 532 #else
 533     vout_SendDisplayEventMouse(osys->vout, &m);
 534 #endif
 535     vlc_mutex_unlock(&osys->lock);
 536 }
 537
 538 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 539 {
 540     vout_display_owner_sys_t *osys = vd->owner.sys;
 541
 542     switch (event) {
 543     case VOUT_DISPLAY_EVENT_CLOSE: {
 544         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 545         vout_SendEventClose(osys->vout);
 546         break;
 547     }
 548     case VOUT_DISPLAY_EVENT_KEY: {
 549         const int key = (int)va_arg(args, int);
 550         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 551         vout_SendEventKey(osys->vout, key);
 552         break;
 553     }
 554     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 555     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 556     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 557     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 558     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 559         VoutDisplayEventMouse(vd, event, args);
 560         break;
 561
 562     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 563         const int is_fullscreen = (int)va_arg(args, int);
 564
 565         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 566
 567         vlc_mutex_lock(&osys->lock);
 568         if (!is_fullscreen != !osys->is_fullscreen) {
 569             osys->ch_fullscreen = true;
 570             osys->is_fullscreen = is_fullscreen;
 571         }
 572         vlc_mutex_unlock(&osys->lock);
 573         break;
 574     }
 575
 576     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 577         const unsigned state = va_arg(args, unsigned);
 578
 579         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 580
 581         vlc_mutex_lock(&osys->lock);
 582         if (state != osys->wm_state) {
 583             osys->ch_wm_state = true;
 584             osys->wm_state = state;
 585         }
 586         vlc_mutex_unlock(&osys->lock);
 587         break;
 588     }
 589
 590     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 591         const int width  = (int)va_arg(args, int);
 592         const int height = (int)va_arg(args, int);
 593         const bool is_fullscreen = (bool)va_arg(args, int);
 594         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 595                 width, height, is_fullscreen ? "fullscreen" : "window");
 596
 597         /* */
 598         vlc_mutex_lock(&osys->lock);
 599
 600         osys->ch_display_size       = true;
 601         osys->display_width         = width;
 602         osys->display_height        = height;
 603         osys->display_is_fullscreen = is_fullscreen;
 604         osys->display_is_forced     = false;
 605
 606         vlc_mutex_unlock(&osys->lock);
 607         break;
 608     }
 609
 610     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 611         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 612
 613         /* */
 614         assert(vd->info.has_pictures_invalid);
 615
 616         vlc_mutex_lock(&osys->lock);
 617         osys->reset_pictures = true;
 618         vlc_mutex_unlock(&osys->lock);
 619         break;
 620     }
 621     default:
 622         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 623         /* TODO add an assert when all event are handled */
 624         break;
 625     }
 626 }
 627
 628 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 629 {
 630     vout_display_owner_sys_t *osys = vd->owner.sys;
 631
 632     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 633 }
 634 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 635 {
 636     vout_display_owner_sys_t *osys = vd->owner.sys;
 637
 638     vout_DeleteDisplayWindow(osys->vout, vd, window);
 639 }
 640
 641 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 642 {
 643     vout_display_owner_sys_t *osys = vd->owner.sys;
 644
 645     vout_display_Manage(vd);
 646
 647     /* Handle mouse timeout */
 648     const mtime_t date = mdate();
 649     bool  hide_mouse = false;
 650
 651     vlc_mutex_lock(&osys->lock);
 652
 653     if (!osys->mouse.is_hidden &&
 654         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 655         osys->mouse.is_hidden = hide_mouse = true;
 656     } else if (osys->mouse.ch_activity) {
 657         osys->mouse.is_hidden = false;
 658     }
 659     osys->mouse.ch_activity = false;
 660     vlc_mutex_unlock(&osys->lock);
 661
 662     if (hide_mouse) {
 663         if (!vd->info.has_hide_mouse) {
 664             msg_Dbg(vd, "auto hidding mouse");
 665             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 666         }
 667         vout_SendEventMouseHidden(osys->vout);
 668     }
 669
 670     bool reset_render = false;
 671     for (;;) {
 672
 673         vlc_mutex_lock(&osys->lock);
 674
 675         bool ch_fullscreen  = osys->ch_fullscreen;
 676         bool is_fullscreen  = osys->is_fullscreen;
 677         osys->ch_fullscreen = false;
 678
 679         bool ch_wm_state  = osys->ch_wm_state;
 680         unsigned wm_state  = osys->wm_state;
 681         osys->ch_wm_state = false;
 682
 683         bool ch_display_size       = osys->ch_display_size;
 684         int  display_width         = osys->display_width;
 685         int  display_height        = osys->display_height;
 686         bool display_is_fullscreen = osys->display_is_fullscreen;
 687         bool display_is_forced     = osys->display_is_forced;
 688         osys->ch_display_size = false;
 689
 690         bool reset_pictures;
 691         if (allow_reset_pictures) {
 692             reset_pictures = osys->reset_pictures;
 693             osys->reset_pictures = false;
 694         } else {
 695             reset_pictures = false;
 696         }
 697
 698         vlc_mutex_unlock(&osys->lock);
 699
 700         if (!ch_fullscreen &&
 701             !ch_display_size &&
 702             !reset_pictures &&
 703             !osys->ch_display_filled &&
 704             !osys->ch_zoom &&
 705             !ch_wm_state &&
 706             !osys->ch_sar &&
 707             !osys->ch_crop)
 708             break;
 709
 710         /* */
 711         if (ch_fullscreen) {
 712             vout_display_cfg_t cfg = osys->cfg;
 713
 714             cfg.is_fullscreen  = is_fullscreen;
 715             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 716             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 717
 718             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 719                 msg_Err(vd, "Failed to set fullscreen");
 720                 is_fullscreen = osys->cfg.is_fullscreen;
 721             }
 722             osys->cfg.is_fullscreen = is_fullscreen;
 723
 724             /* */
 725             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 726         }
 727
 728         /* */
 729         if (ch_display_size) {
 730             vout_display_cfg_t cfg = osys->cfg;
 731             cfg.display.width  = display_width;
 732             cfg.display.height = display_height;
 733
 734             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 735                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 736                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 737                     msg_Err(vd, "Failed to resize display");
 738
 739                 /* We ignore the resized */
 740                 display_width  = osys->cfg.display.width;
 741                 display_height = osys->cfg.display.height;
 742             }
 743             osys->cfg.display.width  = display_width;
 744             osys->cfg.display.height = display_height;
 745
 746             if (!display_is_fullscreen) {
 747                 osys->width_saved  = display_width;
 748                 osys->height_saved = display_height;
 749             }
 750         }
 751         /* */
 752         if (osys->ch_display_filled) {
 753             vout_display_cfg_t cfg = osys->cfg;
 754
 755             cfg.is_display_filled = osys->is_display_filled;
 756
 757             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 758                 msg_Err(vd, "Failed to change display filled state");
 759                 osys->is_display_filled = osys->cfg.is_display_filled;
 760             }
 761             osys->cfg.is_display_filled = osys->is_display_filled;
 762             osys->ch_display_filled = false;
 763
 764             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 765         }
 766         /* */
 767         if (osys->ch_zoom) {
 768             vout_display_cfg_t cfg = osys->cfg;
 769
 770             cfg.zoom.num = osys->zoom.num;
 771             cfg.zoom.den = osys->zoom.den;
 772
 773             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 774                 cfg.zoom.num = 1;
 775                 cfg.zoom.den = 10;
 776             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 777                 cfg.zoom.num = 10;
 778                 cfg.zoom.den = 1;
 779             }
 780
 781             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 782                 msg_Err(vd, "Failed to change zoom");
 783                 osys->zoom.num = osys->cfg.zoom.num;
 784                 osys->zoom.den = osys->cfg.zoom.den;
 785             } else if (cfg.is_display_filled) {
 786                 const int display_width  = (int64_t)vd->source.i_width  * osys->zoom.num / osys->zoom.den;
 787                 const int display_height = (int64_t)vd->source.i_height * osys->zoom.num / osys->zoom.den;
 788
 789                 vlc_mutex_lock(&osys->lock);
 790
 791                 osys->ch_display_size       = true;
 792                 osys->display_width         = display_width;
 793                 osys->display_height        = display_height;
 794                 osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 795                 osys->display_is_forced     = true;
 796
 797                 vlc_mutex_unlock(&osys->lock);
 798             }
 799
 800             osys->cfg.zoom.num = osys->zoom.num;
 801             osys->cfg.zoom.den = osys->zoom.den;
 802             osys->ch_zoom = false;
 803
 804             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 805         }
 806         /* */
 807         if (ch_wm_state) {
 808             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 809                 msg_Err(vd, "Failed to set on top");
 810                 wm_state = osys->wm_state;
 811             }
 812             osys->wm_state_initial = wm_state;
 813
 814             /* */
 815             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 816         }
 817         /* */
 818         if (osys->ch_sar) {
 819             video_format_t source = vd->source;
 820
 821             if (osys->sar.num > 0 && osys->sar.den > 0) {
 822                 source.i_sar_num = osys->sar.num;
 823                 source.i_sar_den = osys->sar.den;
 824             } else {
 825                 source.i_sar_num = osys->source.i_sar_num;
 826                 source.i_sar_den = osys->source.i_sar_den;
 827             }
 828
 829             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 830                 /* There nothing much we can do. The only reason a vout display
 831                  * does not support it is because it need the core to add black border
 832                  * to the video for it.
 833                  * TODO add black borders ?
 834                  */
 835                 msg_Err(vd, "Failed to change source AR");
 836                 source = vd->source;
 837             }
 838             vd->source = source;
 839             osys->sar.num = source.i_sar_num;
 840             osys->sar.den = source.i_sar_den;
 841             osys->ch_sar  = false;
 842
 843             /* */
 844             if (osys->sar.num == osys->source.i_sar_num &&
 845                 osys->sar.den == osys->source.i_sar_den)
 846             {
 847                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 848             }
 849             else
 850             {
 851                 unsigned dar_num, dar_den;
 852                 vlc_ureduce( &dar_num, &dar_den,
 853                              osys->sar.num * vd->source.i_visible_width,
 854                              osys->sar.den * vd->source.i_visible_height,
 855                              65536);
 856                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 857             }
 858         }
 859         /* */
 860         if (osys->ch_crop) {
 861             video_format_t source = vd->source;
 862             unsigned crop_num = osys->crop.num;
 863             unsigned crop_den = osys->crop.den;
 864
 865             source.i_x_offset       = osys->crop.x;
 866             source.i_y_offset       = osys->crop.y;
 867             source.i_visible_width  = osys->crop.width;
 868             source.i_visible_height = osys->crop.height;
 869
 870             /* */
 871             const bool is_valid = source.i_x_offset < source.i_width &&
 872                                   source.i_y_offset < source.i_height &&
 873                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 874                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 875                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 876
 877             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 878                 if (is_valid)
 879                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 880                 else
 881                     msg_Err(vd, "Invalid crop requested");
 882
 883                 source = vd->source;
 884                 crop_num = osys->crop_saved.num;
 885                 crop_den = osys->crop_saved.den;
 886                 /* FIXME implement cropping in the core if not supported by the
 887                  * vout module (easy)
 888                  */
 889             }
 890             vd->source = source;
 891             osys->crop.x      = source.i_x_offset;
 892             osys->crop.y      = source.i_y_offset;
 893             osys->crop.width  = source.i_visible_width;
 894             osys->crop.height = source.i_visible_height;
 895             osys->crop.num    = crop_num;
 896             osys->crop.den    = crop_den;
 897             osys->ch_crop = false;
 898
 899             /* TODO fix when a ratio is used (complicated). */
 900             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
 901             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
 902             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
 903             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
 904             vout_SendEventSourceCrop(osys->vout,
 905                                      osys->crop.num, osys->crop.den,
 906                                      left, top, right, bottom);
 907         }
 908
 909         /* */
 910         if (reset_pictures) {
 911             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
 912                 /* FIXME what to do here ? */
 913                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
 914             }
 915             reset_render = true;
 916         }
 917     }
 918     if (reset_render)
 919         VoutDisplayResetRender(vd);
 920 }
 921
 922 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
 923 {
 924     vout_display_owner_sys_t *osys = vd->owner.sys;
 925
 926     vlc_mutex_lock(&osys->lock);
 927     const bool reset_pictures = osys->reset_pictures;
 928     vlc_mutex_unlock(&osys->lock);
 929
 930     return reset_pictures;
 931 }
 932
 933 bool vout_IsDisplayFiltered(vout_display_t *vd)
 934 {
 935     vout_display_owner_sys_t *osys = vd->owner.sys;
 936
 937     return osys->filters != NULL;
 938 }
 939
 940 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
 941 {
 942     vout_display_owner_sys_t *osys = vd->owner.sys;
 943
 944     assert(osys->filters);
 945     return filter_chain_VideoFilter(osys->filters, picture);
 946 }
 947
 948 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
 949 {
 950     vout_display_owner_sys_t *osys = vd->owner.sys;
 951
 952     vlc_mutex_lock(&osys->lock);
 953     if (!osys->is_fullscreen != !is_fullscreen) {
 954         osys->ch_fullscreen = true;
 955         osys->is_fullscreen = is_fullscreen;
 956     }
 957     vlc_mutex_unlock(&osys->lock);
 958 }
 959
 960 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
 961 {
 962     vout_display_owner_sys_t *osys = vd->owner.sys;
 963
 964     if (!osys->is_display_filled != !is_filled) {
 965         osys->ch_display_filled = true;
 966         osys->is_display_filled = is_filled;
 967     }
 968 }
 969
 970 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
 971 {
 972     vout_display_owner_sys_t *osys = vd->owner.sys;
 973
 974     if (osys->is_display_filled ||
 975         osys->zoom.num != num || osys->zoom.den != den) {
 976         osys->ch_zoom = true;
 977         osys->zoom.num = num;
 978         osys->zoom.den = den;
 979     }
 980 }
 981
 982 void vout_SetWindowState(vout_display_t *vd, unsigned state)
 983 {
 984     vout_display_owner_sys_t *osys = vd->owner.sys;
 985
 986     vlc_mutex_lock(&osys->lock);
 987     if (osys->wm_state != state) {
 988         osys->ch_wm_state = true;
 989         osys->wm_state = state;
 990     }
 991     vlc_mutex_unlock(&osys->lock);
 992 }
 993
 994 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
 995 {
 996     vout_display_owner_sys_t *osys = vd->owner.sys;
 997
 998     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
 999         osys->ch_sar = true;
1000         osys->sar.num = sar_num;
1001         osys->sar.den = sar_den;
1002     }
1003 }
1004 void vout_SetDisplayCrop(vout_display_t *vd,
1005                          unsigned crop_num, unsigned crop_den,
1006                          unsigned x, unsigned y, unsigned width, unsigned height)
1007 {
1008     vout_display_owner_sys_t *osys = vd->owner.sys;
1009
1010     if (osys->crop.x != x || osys->crop.y != y ||
1011         osys->crop.width  != width || osys->crop.height != height) {
1012
1013         osys->crop.x      = x;
1014         osys->crop.y      = y;
1015         osys->crop.width  = width;
1016         osys->crop.height = height;
1017         osys->crop.num    = crop_num;
1018         osys->crop.den    = crop_den;
1019
1020         osys->ch_crop = true;
1021     }
1022 }
1023 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1024 {
1025     vout_opengl_t *gl;
1026     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1027         return NULL;
1028     return gl;
1029 }
1030
1031 static vout_display_t *DisplayNew(vout_thread_t *vout,
1032                                   const video_format_t *source_org,
1033                                   const vout_display_state_t *state,
1034                                   const char *module,
1035                                   bool is_wrapper, vout_display_t *wrapper,
1036                                   mtime_t double_click_timeout,
1037                                   mtime_t hide_timeout,
1038                                   const vout_display_owner_t *owner_ptr)
1039 {
1040     /* */
1041     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1042     vout_display_cfg_t *cfg = &osys->cfg;
1043
1044     *cfg = state->cfg;
1045     osys->wm_state_initial = VOUT_WINDOW_STATE_NORMAL;
1046     osys->sar_initial.num = state->sar.num;
1047     osys->sar_initial.den = state->sar.den;
1048     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1049                                        source_org, cfg);
1050
1051     osys->vout = vout;
1052     osys->is_wrapper = is_wrapper;
1053     osys->wrapper = wrapper;
1054
1055     vlc_mutex_init(&osys->lock);
1056
1057     vlc_mouse_Init(&osys->mouse.state);
1058     osys->mouse.last_moved = mdate();
1059     osys->mouse.double_click_timeout = double_click_timeout;
1060     osys->mouse.hide_timeout = hide_timeout;
1061     osys->is_fullscreen  = cfg->is_fullscreen;
1062     osys->width_saved    =
1063     osys->display_width  = cfg->display.width;
1064     osys->height_saved   =
1065     osys->display_height = cfg->display.height;
1066     osys->is_display_filled = cfg->is_display_filled;
1067     osys->zoom.num = cfg->zoom.num;
1068     osys->zoom.den = cfg->zoom.den;
1069     osys->wm_state = state->is_on_top ? VOUT_WINDOW_STATE_ABOVE
1070                                       : VOUT_WINDOW_STATE_NORMAL;
1071
1072     osys->source = *source_org;
1073
1074     video_format_t source = *source_org;
1075
1076     source.i_x_offset =
1077     osys->crop.x  = 0;
1078     source.i_y_offset =
1079     osys->crop.y  = 0;
1080     source.i_visible_width  =
1081     osys->crop.width    = source.i_width;
1082     source.i_visible_height =
1083     osys->crop.height   = source.i_height;
1084     osys->crop_saved.num = 0;
1085     osys->crop_saved.den = 0;
1086     osys->crop.num = 0;
1087     osys->crop.den = 0;
1088
1089     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1090     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1091 #ifdef ALLOW_DUMMY_VOUT
1092     vlc_mouse_Init(&osys->vout_mouse);
1093 #endif
1094
1095     vout_display_owner_t owner;
1096     if (owner_ptr) {
1097         owner = *owner_ptr;
1098     } else {
1099         owner.event      = VoutDisplayEvent;
1100         owner.window_new = VoutDisplayNewWindow;
1101         owner.window_del = VoutDisplayDelWindow;
1102     }
1103     owner.sys = osys;
1104
1105     /* */
1106     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1107                                                  module, !is_wrapper,
1108                                                  &source, cfg, &owner);
1109     if (!p_display) {
1110         free(osys);
1111         return NULL;
1112     }
1113
1114     VoutDisplayCreateRender(p_display);
1115
1116     /* Setup delayed request */
1117     if (osys->sar.num != source_org->i_sar_num ||
1118         osys->sar.den != source_org->i_sar_den)
1119         osys->ch_sar = true;
1120     if (osys->wm_state != osys->wm_state_initial)
1121         osys->ch_wm_state = true;
1122     if (osys->crop.x      != source_org->i_x_offset ||
1123         osys->crop.y      != source_org->i_y_offset ||
1124         osys->crop.width  != source_org->i_visible_width ||
1125         osys->crop.height != source_org->i_visible_height)
1126         osys->ch_crop = true;
1127
1128     return p_display;
1129 }
1130
1131 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1132 {
1133     vout_display_owner_sys_t *osys = vd->owner.sys;
1134
1135     if (state) {
1136         if (!osys->is_wrapper )
1137             state->cfg = osys->cfg;
1138         state->is_on_top = (osys->wm_state & VOUT_WINDOW_STATE_ABOVE) != 0;
1139         state->sar.num   = osys->sar_initial.num;
1140         state->sar.den   = osys->sar_initial.den;
1141     }
1142
1143     VoutDisplayDestroyRender(vd);
1144     if (osys->is_wrapper)
1145         SplitterClose(vd);
1146     vout_display_Delete(vd);
1147     vlc_mutex_destroy(&osys->lock);
1148     free(osys);
1149 }
1150
1151 /*****************************************************************************
1152  *
1153  *****************************************************************************/
1154 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1155                                 const video_format_t *source,
1156                                 const vout_display_state_t *state,
1157                                 const char *module,
1158                                 mtime_t double_click_timeout,
1159                                 mtime_t hide_timeout)
1160 {
1161     return DisplayNew(vout, source, state, module, false, NULL,
1162                       double_click_timeout, hide_timeout, NULL);
1163 }
1164
1165 /*****************************************************************************
1166  *
1167  *****************************************************************************/
1168 struct vout_display_sys_t {
1169     picture_pool_t   *pool;
1170     video_splitter_t *splitter;
1171
1172     /* */
1173     int            count;
1174     picture_t      **picture;
1175     vout_display_t **display;
1176 };
1177 struct video_splitter_owner_t {
1178     vout_display_t *wrapper;
1179 };
1180
1181 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1182 {
1183     vout_display_owner_sys_t *osys = vd->owner.sys;
1184
1185     vout_window_cfg_t cfg = *cfg_ptr;
1186     cfg.is_standalone = true;
1187     cfg.x += 0;//output->window.i_x; FIXME
1188     cfg.y += 0;//output->window.i_y;
1189
1190     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1191 }
1192 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1193 {
1194     vout_display_owner_sys_t *osys = vd->owner.sys;
1195
1196     vout_DeleteDisplayWindow(osys->vout, vd, window);
1197 }
1198 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1199 {
1200     //vout_display_owner_sys_t *osys = vd->owner.sys;
1201
1202     switch (event) {
1203 #if 0
1204     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1205     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1206     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1207     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1208         /* TODO */
1209         break;
1210 #endif
1211     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1212     case VOUT_DISPLAY_EVENT_KEY:
1213     case VOUT_DISPLAY_EVENT_CLOSE:
1214     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1215     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1216     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1217         VoutDisplayEvent(vd, event, args);
1218         break;
1219
1220     default:
1221         msg_Err(vd, "SplitterEvent TODO");
1222         break;
1223     }
1224 }
1225
1226 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1227 {
1228     vout_display_sys_t *sys = vd->sys;
1229     if (!sys->pool)
1230         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1231     return sys->pool;
1232 }
1233 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1234 {
1235     vout_display_sys_t *sys = vd->sys;
1236
1237     picture_Hold(picture);
1238
1239     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1240         for (int i = 0; i < sys->count; i++)
1241             sys->picture[i] = NULL;
1242         picture_Release(picture);
1243         return;
1244     }
1245
1246     for (int i = 0; i < sys->count; i++) {
1247         if (vout_IsDisplayFiltered(sys->display[i]))
1248             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1249         if (sys->picture[i])
1250             vout_display_Prepare(sys->display[i], sys->picture[i]);
1251     }
1252 }
1253 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1254 {
1255     vout_display_sys_t *sys = vd->sys;
1256
1257     for (int i = 0; i < sys->count; i++) {
1258         if (sys->picture[i])
1259             vout_display_Display(sys->display[i], sys->picture[i]);
1260     }
1261     picture_Release(picture);
1262 }
1263 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1264 {
1265     return VLC_EGENERIC;
1266 }
1267 static void SplitterManage(vout_display_t *vd)
1268 {
1269     vout_display_sys_t *sys = vd->sys;
1270
1271     for (int i = 0; i < sys->count; i++)
1272         vout_ManageDisplay(sys->display[i], true);
1273 }
1274
1275 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1276 {
1277     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1278
1279     for (int i = 0; i < wsys->count; i++) {
1280         if (vout_IsDisplayFiltered(wsys->display[i])) {
1281             /* TODO use a pool ? */
1282             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1283         } else {
1284             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1285             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1286         }
1287         if (!picture[i]) {
1288             for (int j = 0; j < i; j++)
1289                 picture_Release(picture[j]);
1290             return VLC_EGENERIC;
1291         }
1292     }
1293     return VLC_SUCCESS;
1294 }
1295 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1296 {
1297     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1298
1299     for (int i = 0; i < wsys->count; i++)
1300         picture_Release(picture[i]);
1301 }
1302 static void SplitterClose(vout_display_t *vd)
1303 {
1304     vout_display_sys_t *sys = vd->sys;
1305
1306     /* */
1307     video_splitter_t *splitter = sys->splitter;
1308     free(splitter->p_owner);
1309     video_splitter_Delete(splitter);
1310
1311     if (sys->pool)
1312         picture_pool_Delete(sys->pool);
1313
1314     /* */
1315     for (int i = 0; i < sys->count; i++)
1316         vout_DeleteDisplay(sys->display[i], NULL);
1317     TAB_CLEAN(sys->count, sys->display);
1318     free(sys->picture);
1319
1320     free(sys);
1321 }
1322
1323 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1324                                  const video_format_t *source,
1325                                  const vout_display_state_t *state,
1326                                  const char *module,
1327                                  const char *splitter_module,
1328                                  mtime_t double_click_timeout,
1329                                  mtime_t hide_timeout)
1330 {
1331     video_splitter_t *splitter =
1332         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1333     if (!splitter)
1334         return NULL;
1335
1336     /* */
1337     vout_display_t *wrapper =
1338         DisplayNew(vout, source, state, module, true, NULL,
1339                     double_click_timeout, hide_timeout, NULL);
1340     if (!wrapper) {
1341         video_splitter_Delete(splitter);
1342         return NULL;
1343     }
1344     vout_display_sys_t *sys = malloc(sizeof(*sys));
1345     if (!sys)
1346         abort();
1347     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1348     if (!sys->picture )
1349         abort();
1350     sys->splitter = splitter;
1351     sys->pool     = NULL;
1352
1353     wrapper->pool    = SplitterPool;
1354     wrapper->prepare = SplitterPrepare;
1355     wrapper->display = SplitterDisplay;
1356     wrapper->control = SplitterControl;
1357     wrapper->manage  = SplitterManage;
1358     wrapper->sys     = sys;
1359
1360     /* */
1361     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1362     if (!owner)
1363         abort();
1364     owner->wrapper = wrapper;
1365     splitter->p_owner = owner;
1366     splitter->pf_picture_new = SplitterPictureNew;
1367     splitter->pf_picture_del = SplitterPictureDel;
1368
1369     /* */
1370     TAB_INIT(sys->count, sys->display);
1371     for (int i = 0; i < splitter->i_output; i++) {
1372         vout_display_owner_t owner;
1373
1374         owner.event      = SplitterEvent;
1375         owner.window_new = SplitterNewWindow;
1376         owner.window_del = SplitterDelWindow;
1377
1378         const video_splitter_output_t *output = &splitter->p_output[i];
1379         vout_display_state_t ostate;
1380
1381         memset(&ostate, 0, sizeof(ostate));
1382         ostate.cfg.is_fullscreen = false;
1383         ostate.cfg.display = state->cfg.display;
1384         ostate.cfg.align.horizontal = 0; /* TODO */
1385         ostate.cfg.align.vertical = 0; /* TODO */
1386         ostate.cfg.is_display_filled = true;
1387         ostate.cfg.zoom.num = 1;
1388         ostate.cfg.zoom.den = 1;
1389
1390         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1391                                            output->psz_module ? output->psz_module : module,
1392                                            false, wrapper,
1393                                            double_click_timeout, hide_timeout, &owner);
1394         if (!vd) {
1395             vout_DeleteDisplay(wrapper, NULL);
1396             return NULL;
1397         }
1398         TAB_APPEND(sys->count, sys->display, vd);
1399     }
1400
1401     return wrapper;
1402 }
1403
1404 /*****************************************************************************
1405  * TODO move out
1406  *****************************************************************************/
1407 #include "vout_internal.h"
1408 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1409 {
1410     vlc_mouse_t tmp;
1411
1412     /* The check on p_spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1413     if (vout->p->p_spu && spu_ProcessMouse( vout->p->p_spu, m, &vout->p->display.vd->source))
1414         return;
1415
1416     vlc_mutex_lock( &vout->p->vfilter_lock );
1417     if (vout->p->vfilter_chain) {
1418         if (!filter_chain_MouseFilter(vout->p->vfilter_chain, &tmp, m))
1419             m = &tmp;
1420     }
1421     vlc_mutex_unlock( &vout->p->vfilter_lock );
1422
1423     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1424         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1425     }
1426     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1427         static const int buttons[] = {
1428             MOUSE_BUTTON_LEFT,
1429             MOUSE_BUTTON_CENTER,
1430             MOUSE_BUTTON_RIGHT,
1431             MOUSE_BUTTON_WHEEL_UP,
1432             MOUSE_BUTTON_WHEEL_DOWN,
1433             -1
1434         };
1435         for (int i = 0; buttons[i] >= 0; i++) {
1436             const int button = buttons[i];
1437             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1438                 vout_SendEventMousePressed(vout, button);
1439             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1440                 vout_SendEventMouseReleased(vout, button);
1441         }
1442     }
1443     if (m->b_double_click)
1444         vout_SendEventMouseDoubleClick(vout);
1445     vout->p->mouse = *m;
1446 }
1447 #ifdef ALLOW_DUMMY_VOUT
1448 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1449 {
1450     vout_thread_sys_t p;
1451
1452     if (!vout->p) {
1453         p.mouse = *fallback;
1454         vlc_mutex_init(&p.vfilter_lock);
1455         p.vfilter_chain = NULL;
1456         p.p_spu = NULL;
1457         vout->p = &p;
1458     }
1459     vout_SendDisplayEventMouse(vout, m);
1460     if (vout->p == &p) {
1461         vlc_mutex_destroy(&p.vfilter_lock);
1462         *fallback = p.mouse;
1463         vout->p = NULL;
1464     }
1465 }
1466 #endif
1467 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd, const vout_window_cfg_t *cfg)
1468 {
1469     VLC_UNUSED(vd);
1470     vout_window_cfg_t cfg_override = *cfg;
1471
1472     if( !var_InheritBool( vout, "embedded-video" ) )
1473         cfg_override.is_standalone = true;
1474
1475     return vout_window_New(VLC_OBJECT(vout), NULL, &cfg_override);
1476 }
1477 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd, vout_window_t *window)
1478 {
1479     VLC_UNUSED(vout);
1480     VLC_UNUSED(vd);
1481     vout_window_Delete(window);
1482 }
1483