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     int  fit_window;
 358
 359 #ifdef ALLOW_DUMMY_VOUT
 360     vlc_mouse_t vout_mouse;
 361 #endif
 362 };
 363
 364 static void DummyVoutSendDisplayEventMouse(vout_thread_t *, vlc_mouse_t *fallback, const vlc_mouse_t *m);
 365
 366 static void VoutDisplayCreateRender(vout_display_t *vd)
 367 {
 368     vout_display_owner_sys_t *osys = vd->owner.sys;
 369
 370     osys->filters = NULL;
 371
 372     video_format_t v_src = vd->source;
 373     v_src.i_sar_num = 0;
 374     v_src.i_sar_den = 0;
 375
 376     video_format_t v_dst = vd->fmt;
 377     v_dst.i_sar_num = 0;
 378     v_dst.i_sar_den = 0;
 379
 380     video_format_t v_dst_cmp = v_dst;
 381     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 382         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 383         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 384         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 385         v_dst_cmp.i_chroma = v_src.i_chroma;
 386
 387     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 388     if (!convert)
 389         return;
 390
 391     msg_Dbg(vd, "A filter to adapt decoder to display is needed");
 392
 393     osys->filters = filter_chain_New(vd, "video filter2", false,
 394                                      FilterAllocationInit,
 395                                      FilterAllocationClean, vd);
 396     assert(osys->filters); /* TODO critical */
 397
 398     /* */
 399     es_format_t src;
 400     es_format_InitFromVideo(&src, &v_src);
 401
 402     /* */
 403     es_format_t dst;
 404
 405     filter_t *filter;
 406     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 407
 408         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 409
 410         filter_chain_Reset(osys->filters, &src, &dst);
 411         filter = filter_chain_AppendFilter(osys->filters,
 412                                            NULL, NULL, &src, &dst);
 413         if (filter)
 414             break;
 415     }
 416     if (!filter)
 417     {
 418         msg_Err(vd, "VoutDisplayCreateRender FAILED");
 419         /* TODO */
 420         assert(0);
 421     }
 422 }
 423
 424 static void VoutDisplayDestroyRender(vout_display_t *vd)
 425 {
 426     vout_display_owner_sys_t *osys = vd->owner.sys;
 427
 428     if (osys->filters)
 429         filter_chain_Delete(osys->filters);
 430 }
 431
 432 static void VoutDisplayResetRender(vout_display_t *vd)
 433 {
 434     VoutDisplayDestroyRender(vd);
 435     VoutDisplayCreateRender(vd);
 436 }
 437 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 438 {
 439     vout_display_owner_sys_t *osys = vd->owner.sys;
 440
 441     vlc_mutex_lock(&osys->lock);
 442
 443     /* */
 444     vlc_mouse_t m = osys->mouse.state;
 445     bool is_ignored = false;
 446
 447     switch (event) {
 448     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 449         const int x = (int)va_arg(args, int);
 450         const int y = (int)va_arg(args, int);
 451         const int button_mask = (int)va_arg(args, int);
 452
 453         vlc_mouse_Init(&m);
 454         m.i_x = x;
 455         m.i_y = y;
 456         m.i_pressed = button_mask;
 457         break;
 458     }
 459     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 460         const int x = (int)va_arg(args, int);
 461         const int y = (int)va_arg(args, int);
 462         if (x != osys->mouse.state.i_x || y != osys->mouse.state.i_y) {
 463             //msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 464
 465             m.i_x = x;
 466             m.i_y = y;
 467             m.b_double_click = false;
 468         } else {
 469             is_ignored = true;
 470         }
 471         break;
 472     }
 473     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 474     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 475         const int button = (int)va_arg(args, int);
 476         const int button_mask = 1 << button;
 477
 478         /* Ignore inconsistent event */
 479         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 480             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 481             is_ignored = true;
 482             break;
 483         }
 484
 485         /* */
 486         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 487
 488         m.b_double_click = false;
 489         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 490             m.i_pressed |= button_mask;
 491         else
 492             m.i_pressed &= ~button_mask;
 493         break;
 494     }
 495     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 496         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 497
 498         m.b_double_click = true;
 499         break;
 500     default:
 501         assert(0);
 502     }
 503
 504     if (is_ignored) {
 505         vlc_mutex_unlock(&osys->lock);
 506         return;
 507     }
 508
 509     /* Emulate double-click if needed */
 510     if (!vd->info.has_double_click &&
 511         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 512         const mtime_t i_date = mdate();
 513
 514         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 515             m.b_double_click = true;
 516             osys->mouse.last_pressed = 0;
 517         } else {
 518             osys->mouse.last_pressed = mdate();
 519         }
 520     }
 521
 522     /* */
 523     osys->mouse.state = m;
 524
 525     /* */
 526     osys->mouse.ch_activity = true;
 527     if (!vd->info.has_hide_mouse)
 528         osys->mouse.last_moved = mdate();
 529
 530     /* */
 531     vout_SendEventMouseVisible(osys->vout);
 532 #ifdef ALLOW_DUMMY_VOUT
 533     DummyVoutSendDisplayEventMouse(osys->vout, &osys->vout_mouse, &m);
 534 #else
 535     vout_SendDisplayEventMouse(osys->vout, &m);
 536 #endif
 537     vlc_mutex_unlock(&osys->lock);
 538 }
 539
 540 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 541 {
 542     vout_display_owner_sys_t *osys = vd->owner.sys;
 543
 544     switch (event) {
 545     case VOUT_DISPLAY_EVENT_CLOSE: {
 546         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 547         vout_SendEventClose(osys->vout);
 548         break;
 549     }
 550     case VOUT_DISPLAY_EVENT_KEY: {
 551         const int key = (int)va_arg(args, int);
 552         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 553         vout_SendEventKey(osys->vout, key);
 554         break;
 555     }
 556     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 557     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 558     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 559     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 560     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 561         VoutDisplayEventMouse(vd, event, args);
 562         break;
 563
 564     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 565         const int is_fullscreen = (int)va_arg(args, int);
 566
 567         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 568
 569         vlc_mutex_lock(&osys->lock);
 570         if (!is_fullscreen != !osys->is_fullscreen) {
 571             osys->ch_fullscreen = true;
 572             osys->is_fullscreen = is_fullscreen;
 573         }
 574         vlc_mutex_unlock(&osys->lock);
 575         break;
 576     }
 577
 578     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 579         const unsigned state = va_arg(args, unsigned);
 580
 581         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 582
 583         vlc_mutex_lock(&osys->lock);
 584         if (state != osys->wm_state) {
 585             osys->ch_wm_state = true;
 586             osys->wm_state = state;
 587         }
 588         vlc_mutex_unlock(&osys->lock);
 589         break;
 590     }
 591
 592     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 593         const int width  = (int)va_arg(args, int);
 594         const int height = (int)va_arg(args, int);
 595         const bool is_fullscreen = (bool)va_arg(args, int);
 596         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 597                 width, height, is_fullscreen ? "fullscreen" : "window");
 598
 599         /* */
 600         vlc_mutex_lock(&osys->lock);
 601
 602         osys->ch_display_size       = true;
 603         osys->display_width         = width;
 604         osys->display_height        = height;
 605         osys->display_is_fullscreen = is_fullscreen;
 606         osys->display_is_forced     = false;
 607
 608         vlc_mutex_unlock(&osys->lock);
 609         break;
 610     }
 611
 612     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 613         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 614
 615         /* */
 616         assert(vd->info.has_pictures_invalid);
 617
 618         vlc_mutex_lock(&osys->lock);
 619         osys->reset_pictures = true;
 620         vlc_mutex_unlock(&osys->lock);
 621         break;
 622     }
 623     default:
 624         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 625         /* TODO add an assert when all event are handled */
 626         break;
 627     }
 628 }
 629
 630 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 631 {
 632     vout_display_owner_sys_t *osys = vd->owner.sys;
 633
 634     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 635 }
 636 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 637 {
 638     vout_display_owner_sys_t *osys = vd->owner.sys;
 639
 640     vout_DeleteDisplayWindow(osys->vout, vd, window);
 641 }
 642
 643 static void VoutDisplayFitWindow(vout_display_t *vd, bool default_size)
 644 {
 645     vout_display_owner_sys_t *osys = vd->owner.sys;
 646     vout_display_cfg_t cfg = osys->cfg;
 647
 648     if (!cfg.is_display_filled)
 649         return;
 650
 651     cfg.display.width = 0;
 652     if (default_size) {
 653         cfg.display.height = 0;
 654     } else {
 655         cfg.display.height = osys->height_saved;
 656         cfg.zoom.num = 1;
 657         cfg.zoom.den = 1;
 658     }
 659
 660     unsigned display_width;
 661     unsigned display_height;
 662     vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 663                                        &vd->source, &cfg);
 664
 665     vlc_mutex_lock(&osys->lock);
 666
 667     osys->ch_display_size       = true;
 668     osys->display_width         = display_width;
 669     osys->display_height        = display_height;
 670     osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 671     osys->display_is_forced     = true;
 672
 673     vlc_mutex_unlock(&osys->lock);
 674 }
 675
 676 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 677 {
 678     vout_display_owner_sys_t *osys = vd->owner.sys;
 679
 680     vout_display_Manage(vd);
 681
 682     /* Handle mouse timeout */
 683     const mtime_t date = mdate();
 684     bool  hide_mouse = false;
 685
 686     vlc_mutex_lock(&osys->lock);
 687
 688     if (!osys->mouse.is_hidden &&
 689         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 690         osys->mouse.is_hidden = hide_mouse = true;
 691     } else if (osys->mouse.ch_activity) {
 692         osys->mouse.is_hidden = false;
 693     }
 694     osys->mouse.ch_activity = false;
 695     vlc_mutex_unlock(&osys->lock);
 696
 697     if (hide_mouse) {
 698         if (!vd->info.has_hide_mouse) {
 699             msg_Dbg(vd, "auto hidding mouse");
 700             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 701         }
 702         vout_SendEventMouseHidden(osys->vout);
 703     }
 704
 705     bool reset_render = false;
 706     for (;;) {
 707
 708         vlc_mutex_lock(&osys->lock);
 709
 710         bool ch_fullscreen  = osys->ch_fullscreen;
 711         bool is_fullscreen  = osys->is_fullscreen;
 712         osys->ch_fullscreen = false;
 713
 714         bool ch_wm_state  = osys->ch_wm_state;
 715         unsigned wm_state  = osys->wm_state;
 716         osys->ch_wm_state = false;
 717
 718         bool ch_display_size       = osys->ch_display_size;
 719         int  display_width         = osys->display_width;
 720         int  display_height        = osys->display_height;
 721         bool display_is_fullscreen = osys->display_is_fullscreen;
 722         bool display_is_forced     = osys->display_is_forced;
 723         osys->ch_display_size = false;
 724
 725         bool reset_pictures;
 726         if (allow_reset_pictures) {
 727             reset_pictures = osys->reset_pictures;
 728             osys->reset_pictures = false;
 729         } else {
 730             reset_pictures = false;
 731         }
 732
 733         vlc_mutex_unlock(&osys->lock);
 734
 735         if (!ch_fullscreen &&
 736             !ch_display_size &&
 737             !reset_pictures &&
 738             !osys->ch_display_filled &&
 739             !osys->ch_zoom &&
 740             !ch_wm_state &&
 741             !osys->ch_sar &&
 742             !osys->ch_crop) {
 743
 744             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 745                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 746                 osys->fit_window = 0;
 747                 continue;
 748             }
 749             break;
 750         }
 751
 752         /* */
 753         if (ch_fullscreen) {
 754             vout_display_cfg_t cfg = osys->cfg;
 755
 756             cfg.is_fullscreen  = is_fullscreen;
 757             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 758             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 759
 760             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 761                 msg_Err(vd, "Failed to set fullscreen");
 762                 is_fullscreen = osys->cfg.is_fullscreen;
 763             }
 764             osys->cfg.is_fullscreen = is_fullscreen;
 765
 766             /* */
 767             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 768         }
 769
 770         /* */
 771         if (ch_display_size) {
 772             vout_display_cfg_t cfg = osys->cfg;
 773             cfg.display.width  = display_width;
 774             cfg.display.height = display_height;
 775
 776             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 777                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 778                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 779                     msg_Err(vd, "Failed to resize display");
 780
 781                 /* We ignore the resized */
 782                 display_width  = osys->cfg.display.width;
 783                 display_height = osys->cfg.display.height;
 784             }
 785             osys->cfg.display.width  = display_width;
 786             osys->cfg.display.height = display_height;
 787
 788             if (!display_is_fullscreen) {
 789                 osys->width_saved  = display_width;
 790                 osys->height_saved = display_height;
 791             }
 792         }
 793         /* */
 794         if (osys->ch_display_filled) {
 795             vout_display_cfg_t cfg = osys->cfg;
 796
 797             cfg.is_display_filled = osys->is_display_filled;
 798
 799             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 800                 msg_Err(vd, "Failed to change display filled state");
 801                 osys->is_display_filled = osys->cfg.is_display_filled;
 802             }
 803             osys->cfg.is_display_filled = osys->is_display_filled;
 804             osys->ch_display_filled = false;
 805
 806             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 807         }
 808         /* */
 809         if (osys->ch_zoom) {
 810             vout_display_cfg_t cfg = osys->cfg;
 811
 812             cfg.zoom.num = osys->zoom.num;
 813             cfg.zoom.den = osys->zoom.den;
 814
 815             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 816                 cfg.zoom.num = 1;
 817                 cfg.zoom.den = 10;
 818             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 819                 cfg.zoom.num = 10;
 820                 cfg.zoom.den = 1;
 821             }
 822
 823             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 824                 msg_Err(vd, "Failed to change zoom");
 825                 osys->zoom.num = osys->cfg.zoom.num;
 826                 osys->zoom.den = osys->cfg.zoom.den;
 827             } else {
 828                 osys->fit_window = -1;
 829             }
 830
 831             osys->cfg.zoom.num = osys->zoom.num;
 832             osys->cfg.zoom.den = osys->zoom.den;
 833             osys->ch_zoom = false;
 834
 835             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 836         }
 837         /* */
 838         if (ch_wm_state) {
 839             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 840                 msg_Err(vd, "Failed to set on top");
 841                 wm_state = osys->wm_state;
 842             }
 843             osys->wm_state_initial = wm_state;
 844
 845             /* */
 846             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 847         }
 848         /* */
 849         if (osys->ch_sar) {
 850             video_format_t source = vd->source;
 851
 852             if (osys->sar.num > 0 && osys->sar.den > 0) {
 853                 source.i_sar_num = osys->sar.num;
 854                 source.i_sar_den = osys->sar.den;
 855             } else {
 856                 source.i_sar_num = osys->source.i_sar_num;
 857                 source.i_sar_den = osys->source.i_sar_den;
 858             }
 859
 860             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 861                 /* There nothing much we can do. The only reason a vout display
 862                  * does not support it is because it need the core to add black border
 863                  * to the video for it.
 864                  * TODO add black borders ?
 865                  */
 866                 msg_Err(vd, "Failed to change source AR");
 867                 source = vd->source;
 868             } else if (!osys->fit_window) {
 869                 osys->fit_window = 1;
 870             }
 871             vd->source = source;
 872             osys->sar.num = source.i_sar_num;
 873             osys->sar.den = source.i_sar_den;
 874             osys->ch_sar  = false;
 875
 876             /* */
 877             if (osys->sar.num == osys->source.i_sar_num &&
 878                 osys->sar.den == osys->source.i_sar_den)
 879             {
 880                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 881             }
 882             else
 883             {
 884                 unsigned dar_num, dar_den;
 885                 vlc_ureduce( &dar_num, &dar_den,
 886                              osys->sar.num * vd->source.i_visible_width,
 887                              osys->sar.den * vd->source.i_visible_height,
 888                              65536);
 889                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 890             }
 891         }
 892         /* */
 893         if (osys->ch_crop) {
 894             video_format_t source = vd->source;
 895             unsigned crop_num = osys->crop.num;
 896             unsigned crop_den = osys->crop.den;
 897
 898             source.i_x_offset       = osys->crop.x;
 899             source.i_y_offset       = osys->crop.y;
 900             source.i_visible_width  = osys->crop.width;
 901             source.i_visible_height = osys->crop.height;
 902
 903             /* */
 904             const bool is_valid = source.i_x_offset < source.i_width &&
 905                                   source.i_y_offset < source.i_height &&
 906                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 907                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 908                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 909
 910             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 911                 if (is_valid)
 912                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 913                 else
 914                     msg_Err(vd, "Invalid crop requested");
 915
 916                 source = vd->source;
 917                 crop_num = osys->crop_saved.num;
 918                 crop_den = osys->crop_saved.den;
 919                 /* FIXME implement cropping in the core if not supported by the
 920                  * vout module (easy)
 921                  */
 922             } else if (!osys->fit_window) {
 923                 osys->fit_window = 1;
 924             }
 925             vd->source = source;
 926             osys->crop.x      = source.i_x_offset;
 927             osys->crop.y      = source.i_y_offset;
 928             osys->crop.width  = source.i_visible_width;
 929             osys->crop.height = source.i_visible_height;
 930             osys->crop.num    = crop_num;
 931             osys->crop.den    = crop_den;
 932             osys->ch_crop = false;
 933
 934             /* TODO fix when a ratio is used (complicated). */
 935             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
 936             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
 937             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
 938             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
 939             vout_SendEventSourceCrop(osys->vout,
 940                                      osys->crop.num, osys->crop.den,
 941                                      left, top, right, bottom);
 942         }
 943
 944         /* */
 945         if (reset_pictures) {
 946             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
 947                 /* FIXME what to do here ? */
 948                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
 949             }
 950             reset_render = true;
 951         }
 952     }
 953     if (reset_render)
 954         VoutDisplayResetRender(vd);
 955 }
 956
 957 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
 958 {
 959     vout_display_owner_sys_t *osys = vd->owner.sys;
 960
 961     vlc_mutex_lock(&osys->lock);
 962     const bool reset_pictures = osys->reset_pictures;
 963     vlc_mutex_unlock(&osys->lock);
 964
 965     return reset_pictures;
 966 }
 967
 968 bool vout_IsDisplayFiltered(vout_display_t *vd)
 969 {
 970     vout_display_owner_sys_t *osys = vd->owner.sys;
 971
 972     return osys->filters != NULL;
 973 }
 974
 975 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
 976 {
 977     vout_display_owner_sys_t *osys = vd->owner.sys;
 978
 979     assert(osys->filters);
 980     return filter_chain_VideoFilter(osys->filters, picture);
 981 }
 982
 983 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
 984 {
 985     vout_display_owner_sys_t *osys = vd->owner.sys;
 986
 987     vlc_mutex_lock(&osys->lock);
 988     if (!osys->is_fullscreen != !is_fullscreen) {
 989         osys->ch_fullscreen = true;
 990         osys->is_fullscreen = is_fullscreen;
 991     }
 992     vlc_mutex_unlock(&osys->lock);
 993 }
 994
 995 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
 996 {
 997     vout_display_owner_sys_t *osys = vd->owner.sys;
 998
 999     if (!osys->is_display_filled != !is_filled) {
1000         osys->ch_display_filled = true;
1001         osys->is_display_filled = is_filled;
1002     }
1003 }
1004
1005 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1006 {
1007     vout_display_owner_sys_t *osys = vd->owner.sys;
1008
1009     if (osys->is_display_filled ||
1010         osys->zoom.num != num || osys->zoom.den != den) {
1011         osys->ch_zoom = true;
1012         osys->zoom.num = num;
1013         osys->zoom.den = den;
1014     }
1015 }
1016
1017 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1018 {
1019     vout_display_owner_sys_t *osys = vd->owner.sys;
1020
1021     vlc_mutex_lock(&osys->lock);
1022     if (osys->wm_state != state) {
1023         osys->ch_wm_state = true;
1024         osys->wm_state = state;
1025     }
1026     vlc_mutex_unlock(&osys->lock);
1027 }
1028
1029 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
1030 {
1031     vout_display_owner_sys_t *osys = vd->owner.sys;
1032
1033     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1034         osys->ch_sar = true;
1035         osys->sar.num = sar_num;
1036         osys->sar.den = sar_den;
1037     }
1038 }
1039 void vout_SetDisplayCrop(vout_display_t *vd,
1040                          unsigned crop_num, unsigned crop_den,
1041                          unsigned x, unsigned y, unsigned width, unsigned height)
1042 {
1043     vout_display_owner_sys_t *osys = vd->owner.sys;
1044
1045     if (osys->crop.x != x || osys->crop.y != y ||
1046         osys->crop.width  != width || osys->crop.height != height) {
1047
1048         osys->crop.x      = x;
1049         osys->crop.y      = y;
1050         osys->crop.width  = width;
1051         osys->crop.height = height;
1052         osys->crop.num    = crop_num;
1053         osys->crop.den    = crop_den;
1054
1055         osys->ch_crop = true;
1056     }
1057 }
1058 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1059 {
1060     vout_opengl_t *gl;
1061     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1062         return NULL;
1063     return gl;
1064 }
1065
1066 static vout_display_t *DisplayNew(vout_thread_t *vout,
1067                                   const video_format_t *source_org,
1068                                   const vout_display_state_t *state,
1069                                   const char *module,
1070                                   bool is_wrapper, vout_display_t *wrapper,
1071                                   mtime_t double_click_timeout,
1072                                   mtime_t hide_timeout,
1073                                   const vout_display_owner_t *owner_ptr)
1074 {
1075     /* */
1076     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1077     vout_display_cfg_t *cfg = &osys->cfg;
1078
1079     *cfg = state->cfg;
1080     osys->wm_state_initial = VOUT_WINDOW_STATE_NORMAL;
1081     osys->sar_initial.num = state->sar.num;
1082     osys->sar_initial.den = state->sar.den;
1083     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1084                                        source_org, cfg);
1085
1086     osys->vout = vout;
1087     osys->is_wrapper = is_wrapper;
1088     osys->wrapper = wrapper;
1089
1090     vlc_mutex_init(&osys->lock);
1091
1092     vlc_mouse_Init(&osys->mouse.state);
1093     osys->mouse.last_moved = mdate();
1094     osys->mouse.double_click_timeout = double_click_timeout;
1095     osys->mouse.hide_timeout = hide_timeout;
1096     osys->is_fullscreen  = cfg->is_fullscreen;
1097     osys->width_saved    =
1098     osys->display_width  = cfg->display.width;
1099     osys->height_saved   =
1100     osys->display_height = cfg->display.height;
1101     osys->is_display_filled = cfg->is_display_filled;
1102     osys->zoom.num = cfg->zoom.num;
1103     osys->zoom.den = cfg->zoom.den;
1104     osys->wm_state = state->is_on_top ? VOUT_WINDOW_STATE_ABOVE
1105                                       : VOUT_WINDOW_STATE_NORMAL;
1106     osys->fit_window = 0;
1107
1108     osys->source = *source_org;
1109
1110     video_format_t source = *source_org;
1111
1112     source.i_x_offset =
1113     osys->crop.x  = 0;
1114     source.i_y_offset =
1115     osys->crop.y  = 0;
1116     source.i_visible_width  =
1117     osys->crop.width    = source.i_width;
1118     source.i_visible_height =
1119     osys->crop.height   = source.i_height;
1120     osys->crop_saved.num = 0;
1121     osys->crop_saved.den = 0;
1122     osys->crop.num = 0;
1123     osys->crop.den = 0;
1124
1125     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1126     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1127 #ifdef ALLOW_DUMMY_VOUT
1128     vlc_mouse_Init(&osys->vout_mouse);
1129 #endif
1130
1131     vout_display_owner_t owner;
1132     if (owner_ptr) {
1133         owner = *owner_ptr;
1134     } else {
1135         owner.event      = VoutDisplayEvent;
1136         owner.window_new = VoutDisplayNewWindow;
1137         owner.window_del = VoutDisplayDelWindow;
1138     }
1139     owner.sys = osys;
1140
1141     /* */
1142     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1143                                                  module, !is_wrapper,
1144                                                  &source, cfg, &owner);
1145     if (!p_display) {
1146         free(osys);
1147         return NULL;
1148     }
1149
1150     VoutDisplayCreateRender(p_display);
1151
1152     /* Setup delayed request */
1153     if (osys->sar.num != source_org->i_sar_num ||
1154         osys->sar.den != source_org->i_sar_den)
1155         osys->ch_sar = true;
1156     if (osys->wm_state != osys->wm_state_initial)
1157         osys->ch_wm_state = true;
1158     if (osys->crop.x      != source_org->i_x_offset ||
1159         osys->crop.y      != source_org->i_y_offset ||
1160         osys->crop.width  != source_org->i_visible_width ||
1161         osys->crop.height != source_org->i_visible_height)
1162         osys->ch_crop = true;
1163
1164     return p_display;
1165 }
1166
1167 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1168 {
1169     vout_display_owner_sys_t *osys = vd->owner.sys;
1170
1171     if (state) {
1172         if (!osys->is_wrapper )
1173             state->cfg = osys->cfg;
1174         state->is_on_top = (osys->wm_state & VOUT_WINDOW_STATE_ABOVE) != 0;
1175         state->sar.num   = osys->sar_initial.num;
1176         state->sar.den   = osys->sar_initial.den;
1177     }
1178
1179     VoutDisplayDestroyRender(vd);
1180     if (osys->is_wrapper)
1181         SplitterClose(vd);
1182     vout_display_Delete(vd);
1183     vlc_mutex_destroy(&osys->lock);
1184     free(osys);
1185 }
1186
1187 /*****************************************************************************
1188  *
1189  *****************************************************************************/
1190 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1191                                 const video_format_t *source,
1192                                 const vout_display_state_t *state,
1193                                 const char *module,
1194                                 mtime_t double_click_timeout,
1195                                 mtime_t hide_timeout)
1196 {
1197     return DisplayNew(vout, source, state, module, false, NULL,
1198                       double_click_timeout, hide_timeout, NULL);
1199 }
1200
1201 /*****************************************************************************
1202  *
1203  *****************************************************************************/
1204 struct vout_display_sys_t {
1205     picture_pool_t   *pool;
1206     video_splitter_t *splitter;
1207
1208     /* */
1209     int            count;
1210     picture_t      **picture;
1211     vout_display_t **display;
1212 };
1213 struct video_splitter_owner_t {
1214     vout_display_t *wrapper;
1215 };
1216
1217 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1218 {
1219     vout_display_owner_sys_t *osys = vd->owner.sys;
1220
1221     vout_window_cfg_t cfg = *cfg_ptr;
1222     cfg.is_standalone = true;
1223     cfg.x += 0;//output->window.i_x; FIXME
1224     cfg.y += 0;//output->window.i_y;
1225
1226     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1227 }
1228 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1229 {
1230     vout_display_owner_sys_t *osys = vd->owner.sys;
1231
1232     vout_DeleteDisplayWindow(osys->vout, vd, window);
1233 }
1234 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1235 {
1236     //vout_display_owner_sys_t *osys = vd->owner.sys;
1237
1238     switch (event) {
1239 #if 0
1240     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1241     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1242     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1243     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1244         /* TODO */
1245         break;
1246 #endif
1247     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1248     case VOUT_DISPLAY_EVENT_KEY:
1249     case VOUT_DISPLAY_EVENT_CLOSE:
1250     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1251     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1252     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1253         VoutDisplayEvent(vd, event, args);
1254         break;
1255
1256     default:
1257         msg_Err(vd, "SplitterEvent TODO");
1258         break;
1259     }
1260 }
1261
1262 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1263 {
1264     vout_display_sys_t *sys = vd->sys;
1265     if (!sys->pool)
1266         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1267     return sys->pool;
1268 }
1269 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1270 {
1271     vout_display_sys_t *sys = vd->sys;
1272
1273     picture_Hold(picture);
1274
1275     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1276         for (int i = 0; i < sys->count; i++)
1277             sys->picture[i] = NULL;
1278         picture_Release(picture);
1279         return;
1280     }
1281
1282     for (int i = 0; i < sys->count; i++) {
1283         if (vout_IsDisplayFiltered(sys->display[i]))
1284             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1285         if (sys->picture[i])
1286             vout_display_Prepare(sys->display[i], sys->picture[i]);
1287     }
1288 }
1289 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1290 {
1291     vout_display_sys_t *sys = vd->sys;
1292
1293     for (int i = 0; i < sys->count; i++) {
1294         if (sys->picture[i])
1295             vout_display_Display(sys->display[i], sys->picture[i]);
1296     }
1297     picture_Release(picture);
1298 }
1299 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1300 {
1301     return VLC_EGENERIC;
1302 }
1303 static void SplitterManage(vout_display_t *vd)
1304 {
1305     vout_display_sys_t *sys = vd->sys;
1306
1307     for (int i = 0; i < sys->count; i++)
1308         vout_ManageDisplay(sys->display[i], true);
1309 }
1310
1311 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1312 {
1313     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1314
1315     for (int i = 0; i < wsys->count; i++) {
1316         if (vout_IsDisplayFiltered(wsys->display[i])) {
1317             /* TODO use a pool ? */
1318             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1319         } else {
1320             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1321             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1322         }
1323         if (!picture[i]) {
1324             for (int j = 0; j < i; j++)
1325                 picture_Release(picture[j]);
1326             return VLC_EGENERIC;
1327         }
1328     }
1329     return VLC_SUCCESS;
1330 }
1331 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1332 {
1333     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1334
1335     for (int i = 0; i < wsys->count; i++)
1336         picture_Release(picture[i]);
1337 }
1338 static void SplitterClose(vout_display_t *vd)
1339 {
1340     vout_display_sys_t *sys = vd->sys;
1341
1342     /* */
1343     video_splitter_t *splitter = sys->splitter;
1344     free(splitter->p_owner);
1345     video_splitter_Delete(splitter);
1346
1347     if (sys->pool)
1348         picture_pool_Delete(sys->pool);
1349
1350     /* */
1351     for (int i = 0; i < sys->count; i++)
1352         vout_DeleteDisplay(sys->display[i], NULL);
1353     TAB_CLEAN(sys->count, sys->display);
1354     free(sys->picture);
1355
1356     free(sys);
1357 }
1358
1359 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1360                                  const video_format_t *source,
1361                                  const vout_display_state_t *state,
1362                                  const char *module,
1363                                  const char *splitter_module,
1364                                  mtime_t double_click_timeout,
1365                                  mtime_t hide_timeout)
1366 {
1367     video_splitter_t *splitter =
1368         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1369     if (!splitter)
1370         return NULL;
1371
1372     /* */
1373     vout_display_t *wrapper =
1374         DisplayNew(vout, source, state, module, true, NULL,
1375                     double_click_timeout, hide_timeout, NULL);
1376     if (!wrapper) {
1377         video_splitter_Delete(splitter);
1378         return NULL;
1379     }
1380     vout_display_sys_t *sys = malloc(sizeof(*sys));
1381     if (!sys)
1382         abort();
1383     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1384     if (!sys->picture )
1385         abort();
1386     sys->splitter = splitter;
1387     sys->pool     = NULL;
1388
1389     wrapper->pool    = SplitterPool;
1390     wrapper->prepare = SplitterPrepare;
1391     wrapper->display = SplitterDisplay;
1392     wrapper->control = SplitterControl;
1393     wrapper->manage  = SplitterManage;
1394     wrapper->sys     = sys;
1395
1396     /* */
1397     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1398     if (!owner)
1399         abort();
1400     owner->wrapper = wrapper;
1401     splitter->p_owner = owner;
1402     splitter->pf_picture_new = SplitterPictureNew;
1403     splitter->pf_picture_del = SplitterPictureDel;
1404
1405     /* */
1406     TAB_INIT(sys->count, sys->display);
1407     for (int i = 0; i < splitter->i_output; i++) {
1408         vout_display_owner_t owner;
1409
1410         owner.event      = SplitterEvent;
1411         owner.window_new = SplitterNewWindow;
1412         owner.window_del = SplitterDelWindow;
1413
1414         const video_splitter_output_t *output = &splitter->p_output[i];
1415         vout_display_state_t ostate;
1416
1417         memset(&ostate, 0, sizeof(ostate));
1418         ostate.cfg.is_fullscreen = false;
1419         ostate.cfg.display = state->cfg.display;
1420         ostate.cfg.align.horizontal = 0; /* TODO */
1421         ostate.cfg.align.vertical = 0; /* TODO */
1422         ostate.cfg.is_display_filled = true;
1423         ostate.cfg.zoom.num = 1;
1424         ostate.cfg.zoom.den = 1;
1425
1426         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1427                                            output->psz_module ? output->psz_module : module,
1428                                            false, wrapper,
1429                                            double_click_timeout, hide_timeout, &owner);
1430         if (!vd) {
1431             vout_DeleteDisplay(wrapper, NULL);
1432             return NULL;
1433         }
1434         TAB_APPEND(sys->count, sys->display, vd);
1435     }
1436
1437     return wrapper;
1438 }
1439
1440 /*****************************************************************************
1441  * TODO move out
1442  *****************************************************************************/
1443 #include "vout_internal.h"
1444 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1445 {
1446     vlc_mouse_t tmp;
1447
1448     /* The check on p_spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1449     if (vout->p->p_spu && spu_ProcessMouse( vout->p->p_spu, m, &vout->p->display.vd->source))
1450         return;
1451
1452     vlc_mutex_lock( &vout->p->vfilter_lock );
1453     if (vout->p->vfilter_chain) {
1454         if (!filter_chain_MouseFilter(vout->p->vfilter_chain, &tmp, m))
1455             m = &tmp;
1456     }
1457     vlc_mutex_unlock( &vout->p->vfilter_lock );
1458
1459     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1460         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1461     }
1462     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1463         static const int buttons[] = {
1464             MOUSE_BUTTON_LEFT,
1465             MOUSE_BUTTON_CENTER,
1466             MOUSE_BUTTON_RIGHT,
1467             MOUSE_BUTTON_WHEEL_UP,
1468             MOUSE_BUTTON_WHEEL_DOWN,
1469             -1
1470         };
1471         for (int i = 0; buttons[i] >= 0; i++) {
1472             const int button = buttons[i];
1473             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1474                 vout_SendEventMousePressed(vout, button);
1475             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1476                 vout_SendEventMouseReleased(vout, button);
1477         }
1478     }
1479     if (m->b_double_click)
1480         vout_SendEventMouseDoubleClick(vout);
1481     vout->p->mouse = *m;
1482 }
1483 #ifdef ALLOW_DUMMY_VOUT
1484 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1485 {
1486     vout_thread_sys_t p;
1487
1488     if (!vout->p) {
1489         p.mouse = *fallback;
1490         vlc_mutex_init(&p.vfilter_lock);
1491         p.vfilter_chain = NULL;
1492         p.p_spu = NULL;
1493         vout->p = &p;
1494     }
1495     vout_SendDisplayEventMouse(vout, m);
1496     if (vout->p == &p) {
1497         vlc_mutex_destroy(&p.vfilter_lock);
1498         *fallback = p.mouse;
1499         vout->p = NULL;
1500     }
1501 }
1502 #endif
1503 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd, const vout_window_cfg_t *cfg)
1504 {
1505     VLC_UNUSED(vd);
1506     vout_window_cfg_t cfg_override = *cfg;
1507
1508     if( !var_InheritBool( vout, "embedded-video" ) )
1509         cfg_override.is_standalone = true;
1510
1511     return vout_window_New(VLC_OBJECT(vout), NULL, &cfg_override);
1512 }
1513 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd, vout_window_t *window)
1514 {
1515     VLC_UNUSED(vout);
1516     VLC_UNUSED(vd);
1517     vout_window_Delete(window);
1518 }
1519