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, 1);
  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     vlc_mutex_unlock(&osys->lock);
 530
 531     /* */
 532     vout_SendEventMouseVisible(osys->vout);
 533 #ifdef ALLOW_DUMMY_VOUT
 534     DummyVoutSendDisplayEventMouse(osys->vout, &osys->vout_mouse, &m);
 535 #else
 536     vout_SendDisplayEventMouse(osys->vout, &m);
 537 #endif
 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 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 644 {
 645     vout_display_owner_sys_t *osys = vd->owner.sys;
 646
 647     vout_display_Manage(vd);
 648
 649     /* Handle mouse timeout */
 650     const mtime_t date = mdate();
 651     bool  hide_mouse = false;
 652
 653     vlc_mutex_lock(&osys->lock);
 654
 655     if (!osys->mouse.is_hidden &&
 656         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 657         osys->mouse.is_hidden = hide_mouse = true;
 658     } else if (osys->mouse.ch_activity) {
 659         osys->mouse.is_hidden = false;
 660     }
 661     osys->mouse.ch_activity = false;
 662     vlc_mutex_unlock(&osys->lock);
 663
 664     if (hide_mouse) {
 665         if (!vd->info.has_hide_mouse) {
 666             msg_Dbg(vd, "auto hidding mouse");
 667             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 668         }
 669         vout_SendEventMouseHidden(osys->vout);
 670     }
 671
 672     bool reset_render = false;
 673     for (;;) {
 674
 675         vlc_mutex_lock(&osys->lock);
 676
 677         bool ch_fullscreen  = osys->ch_fullscreen;
 678         bool is_fullscreen  = osys->is_fullscreen;
 679         osys->ch_fullscreen = false;
 680
 681         bool ch_wm_state  = osys->ch_wm_state;
 682         unsigned wm_state  = osys->wm_state;
 683         osys->ch_wm_state = false;
 684
 685         bool ch_display_size       = osys->ch_display_size;
 686         int  display_width         = osys->display_width;
 687         int  display_height        = osys->display_height;
 688         bool display_is_fullscreen = osys->display_is_fullscreen;
 689         bool display_is_forced     = osys->display_is_forced;
 690         osys->ch_display_size = false;
 691
 692         bool reset_pictures;
 693         if (allow_reset_pictures) {
 694             reset_pictures = osys->reset_pictures;
 695             osys->reset_pictures = false;
 696         } else {
 697             reset_pictures = false;
 698         }
 699
 700         vlc_mutex_unlock(&osys->lock);
 701
 702         if (!ch_fullscreen &&
 703             !ch_display_size &&
 704             !reset_pictures &&
 705             !osys->ch_display_filled &&
 706             !osys->ch_zoom &&
 707             !ch_wm_state &&
 708             !osys->ch_sar &&
 709             !osys->ch_crop)
 710             break;
 711
 712         /* */
 713         if (ch_fullscreen) {
 714             vout_display_cfg_t cfg = osys->cfg;
 715
 716             cfg.is_fullscreen  = is_fullscreen;
 717             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 718             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 719
 720             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 721                 msg_Err(vd, "Failed to set fullscreen");
 722                 is_fullscreen = osys->cfg.is_fullscreen;
 723             }
 724             osys->cfg.is_fullscreen = is_fullscreen;
 725
 726             /* */
 727             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 728         }
 729
 730         /* */
 731         if (ch_display_size) {
 732             vout_display_cfg_t cfg = osys->cfg;
 733             cfg.display.width  = display_width;
 734             cfg.display.height = display_height;
 735
 736             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 737                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 738                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 739                     msg_Err(vd, "Failed to resize display");
 740
 741                 /* We ignore the resized */
 742                 display_width  = osys->cfg.display.width;
 743                 display_height = osys->cfg.display.height;
 744             }
 745             osys->cfg.display.width  = display_width;
 746             osys->cfg.display.height = display_height;
 747
 748             if (!display_is_fullscreen) {
 749                 osys->width_saved  = display_width;
 750                 osys->height_saved = display_height;
 751             }
 752         }
 753         /* */
 754         if (osys->ch_display_filled) {
 755             vout_display_cfg_t cfg = osys->cfg;
 756
 757             cfg.is_display_filled = osys->is_display_filled;
 758
 759             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 760                 msg_Err(vd, "Failed to change display filled state");
 761                 osys->is_display_filled = osys->cfg.is_display_filled;
 762             }
 763             osys->cfg.is_display_filled = osys->is_display_filled;
 764             osys->ch_display_filled = false;
 765
 766             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 767         }
 768         /* */
 769         if (osys->ch_zoom) {
 770             vout_display_cfg_t cfg = osys->cfg;
 771
 772             cfg.zoom.num = osys->zoom.num;
 773             cfg.zoom.den = osys->zoom.den;
 774
 775             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 776                 cfg.zoom.num = 1;
 777                 cfg.zoom.den = 10;
 778             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 779                 cfg.zoom.num = 10;
 780                 cfg.zoom.den = 1;
 781             }
 782
 783             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 784                 msg_Err(vd, "Failed to change zoom");
 785                 osys->zoom.num = osys->cfg.zoom.num;
 786                 osys->zoom.den = osys->cfg.zoom.den;
 787             } else if (cfg.is_display_filled) {
 788                 const int display_width  = (int64_t)vd->source.i_width  * osys->zoom.num / osys->zoom.den;
 789                 const int display_height = (int64_t)vd->source.i_height * osys->zoom.num / osys->zoom.den;
 790
 791                 vlc_mutex_lock(&osys->lock);
 792
 793                 osys->ch_display_size       = true;
 794                 osys->display_width         = display_width;
 795                 osys->display_height        = display_height;
 796                 osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 797                 osys->display_is_forced     = true;
 798
 799                 vlc_mutex_unlock(&osys->lock);
 800             }
 801
 802             osys->cfg.zoom.num = osys->zoom.num;
 803             osys->cfg.zoom.den = osys->zoom.den;
 804             osys->ch_zoom = false;
 805
 806             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 807         }
 808         /* */
 809         if (ch_wm_state) {
 810             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 811                 msg_Err(vd, "Failed to set on top");
 812                 wm_state = osys->wm_state;
 813             }
 814             osys->wm_state_initial = wm_state;
 815
 816             /* */
 817             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 818         }
 819         /* */
 820         if (osys->ch_sar) {
 821             video_format_t source = vd->source;
 822
 823             if (osys->sar.num > 0 && osys->sar.den > 0) {
 824                 source.i_sar_num = osys->sar.num;
 825                 source.i_sar_den = osys->sar.den;
 826             } else {
 827                 source.i_sar_num = osys->source.i_sar_num;
 828                 source.i_sar_den = osys->source.i_sar_den;
 829             }
 830
 831             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 832                 /* There nothing much we can do. The only reason a vout display
 833                  * does not support it is because it need the core to add black border
 834                  * to the video for it.
 835                  * TODO add black borders ?
 836                  */
 837                 msg_Err(vd, "Failed to change source AR");
 838                 source = vd->source;
 839             }
 840             vd->source = source;
 841             osys->sar.num = source.i_sar_num;
 842             osys->sar.den = source.i_sar_den;
 843             osys->ch_sar  = false;
 844
 845             /* */
 846             if (osys->sar.num == osys->source.i_sar_num &&
 847                 osys->sar.den == osys->source.i_sar_den)
 848             {
 849                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 850             }
 851             else
 852             {
 853                 unsigned dar_num, dar_den;
 854                 vlc_ureduce( &dar_num, &dar_den,
 855                              osys->sar.num * vd->source.i_visible_width,
 856                              osys->sar.den * vd->source.i_visible_height,
 857                              65536);
 858                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 859             }
 860         }
 861         /* */
 862         if (osys->ch_crop) {
 863             video_format_t source = vd->source;
 864             unsigned crop_num = osys->crop.num;
 865             unsigned crop_den = osys->crop.den;
 866
 867             source.i_x_offset       = osys->crop.x;
 868             source.i_y_offset       = osys->crop.y;
 869             source.i_visible_width  = osys->crop.width;
 870             source.i_visible_height = osys->crop.height;
 871
 872             /* */
 873             const bool is_valid = source.i_x_offset < source.i_width &&
 874                                   source.i_y_offset < source.i_height &&
 875                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 876                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 877                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 878
 879             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 880                 if (is_valid)
 881                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 882                 else
 883                     msg_Err(vd, "Invalid crop requested");
 884
 885                 source = vd->source;
 886                 crop_num = osys->crop_saved.num;
 887                 crop_den = osys->crop_saved.den;
 888                 /* FIXME implement cropping in the core if not supported by the
 889                  * vout module (easy)
 890                  */
 891             }
 892             vd->source = source;
 893             osys->crop.x      = source.i_x_offset;
 894             osys->crop.y      = source.i_y_offset;
 895             osys->crop.width  = source.i_visible_width;
 896             osys->crop.height = source.i_visible_height;
 897             osys->crop.num    = crop_num;
 898             osys->crop.den    = crop_den;
 899             osys->ch_crop = false;
 900
 901             /* TODO fix when a ratio is used (complicated). */
 902             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
 903             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
 904             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
 905             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
 906             vout_SendEventSourceCrop(osys->vout,
 907                                      osys->crop.num, osys->crop.den,
 908                                      left, top, right, bottom);
 909         }
 910
 911         /* */
 912         if (reset_pictures) {
 913             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
 914                 /* FIXME what to do here ? */
 915                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
 916             }
 917             reset_render = true;
 918         }
 919     }
 920     if (reset_render)
 921         VoutDisplayResetRender(vd);
 922 }
 923
 924 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
 925 {
 926     vout_display_owner_sys_t *osys = vd->owner.sys;
 927
 928     vlc_mutex_lock(&osys->lock);
 929     const bool reset_pictures = osys->reset_pictures;
 930     vlc_mutex_unlock(&osys->lock);
 931
 932     return reset_pictures;
 933 }
 934
 935 bool vout_IsDisplayFiltered(vout_display_t *vd)
 936 {
 937     vout_display_owner_sys_t *osys = vd->owner.sys;
 938
 939     return osys->filters != NULL;
 940 }
 941
 942 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
 943 {
 944     vout_display_owner_sys_t *osys = vd->owner.sys;
 945
 946     assert(osys->filters);
 947     return filter_chain_VideoFilter(osys->filters, picture);
 948 }
 949
 950 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
 951 {
 952     vout_display_owner_sys_t *osys = vd->owner.sys;
 953
 954     vlc_mutex_lock(&osys->lock);
 955     if (!osys->is_fullscreen != !is_fullscreen) {
 956         osys->ch_fullscreen = true;
 957         osys->is_fullscreen = is_fullscreen;
 958     }
 959     vlc_mutex_unlock(&osys->lock);
 960 }
 961
 962 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
 963 {
 964     vout_display_owner_sys_t *osys = vd->owner.sys;
 965
 966     if (!osys->is_display_filled != !is_filled) {
 967         osys->ch_display_filled = true;
 968         osys->is_display_filled = is_filled;
 969     }
 970 }
 971
 972 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
 973 {
 974     vout_display_owner_sys_t *osys = vd->owner.sys;
 975
 976     if (osys->is_display_filled ||
 977         osys->zoom.num != num || osys->zoom.den != den) {
 978         osys->ch_zoom = true;
 979         osys->zoom.num = num;
 980         osys->zoom.den = den;
 981     }
 982 }
 983
 984 void vout_SetWindowState(vout_display_t *vd, unsigned state)
 985 {
 986     vout_display_owner_sys_t *osys = vd->owner.sys;
 987
 988     vlc_mutex_lock(&osys->lock);
 989     if (osys->wm_state != state) {
 990         osys->ch_wm_state = true;
 991         osys->wm_state = state;
 992     }
 993     vlc_mutex_unlock(&osys->lock);
 994 }
 995
 996 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
 997 {
 998     vout_display_owner_sys_t *osys = vd->owner.sys;
 999
1000     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1001         osys->ch_sar = true;
1002         osys->sar.num = sar_num;
1003         osys->sar.den = sar_den;
1004     }
1005 }
1006 void vout_SetDisplayCrop(vout_display_t *vd,
1007                          unsigned crop_num, unsigned crop_den,
1008                          unsigned x, unsigned y, unsigned width, unsigned height)
1009 {
1010     vout_display_owner_sys_t *osys = vd->owner.sys;
1011
1012     if (osys->crop.x != x || osys->crop.y != y ||
1013         osys->crop.width  != width || osys->crop.height != height) {
1014
1015         osys->crop.x      = x;
1016         osys->crop.y      = y;
1017         osys->crop.width  = width;
1018         osys->crop.height = height;
1019         osys->crop.num    = crop_num;
1020         osys->crop.den    = crop_den;
1021
1022         osys->ch_crop = true;
1023     }
1024 }
1025 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1026 {
1027     vout_opengl_t *gl;
1028     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1029         return NULL;
1030     return gl;
1031 }
1032
1033 static vout_display_t *DisplayNew(vout_thread_t *vout,
1034                                   const video_format_t *source_org,
1035                                   const vout_display_state_t *state,
1036                                   const char *module,
1037                                   bool is_wrapper, vout_display_t *wrapper,
1038                                   mtime_t double_click_timeout,
1039                                   mtime_t hide_timeout,
1040                                   const vout_display_owner_t *owner_ptr)
1041 {
1042     /* */
1043     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1044     vout_display_cfg_t *cfg = &osys->cfg;
1045
1046     *cfg = state->cfg;
1047     osys->wm_state_initial = state->is_on_top
1048         ? VOUT_WINDOW_STATE_ABOVE : VOUT_WINDOW_STATE_NORMAL;
1049     osys->sar_initial.num = state->sar.num;
1050     osys->sar_initial.den = state->sar.den;
1051     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1052                                        source_org, cfg);
1053
1054     osys->vout = vout;
1055     osys->is_wrapper = is_wrapper;
1056     osys->wrapper = wrapper;
1057
1058     vlc_mutex_init(&osys->lock);
1059
1060     vlc_mouse_Init(&osys->mouse.state);
1061     osys->mouse.last_moved = mdate();
1062     osys->mouse.double_click_timeout = double_click_timeout;
1063     osys->mouse.hide_timeout = hide_timeout;
1064     osys->is_fullscreen  = cfg->is_fullscreen;
1065     osys->width_saved    =
1066     osys->display_width  = cfg->display.width;
1067     osys->height_saved   =
1068     osys->display_height = cfg->display.height;
1069     osys->is_display_filled = cfg->is_display_filled;
1070     osys->zoom.num = cfg->zoom.num;
1071     osys->zoom.den = cfg->zoom.den;
1072
1073     osys->source = *source_org;
1074
1075     video_format_t source = *source_org;
1076
1077     source.i_x_offset =
1078     osys->crop.x  = 0;
1079     source.i_y_offset =
1080     osys->crop.y  = 0;
1081     source.i_visible_width  =
1082     osys->crop.width    = source.i_width;
1083     source.i_visible_height =
1084     osys->crop.height   = source.i_height;
1085     osys->crop_saved.num = 0;
1086     osys->crop_saved.den = 0;
1087     osys->crop.num = 0;
1088     osys->crop.den = 0;
1089
1090     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1091     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1092 #ifdef ALLOW_DUMMY_VOUT
1093     vlc_mouse_Init(&osys->vout_mouse);
1094 #endif
1095
1096     vout_display_owner_t owner;
1097     if (owner_ptr) {
1098         owner = *owner_ptr;
1099     } else {
1100         owner.event      = VoutDisplayEvent;
1101         owner.window_new = VoutDisplayNewWindow;
1102         owner.window_del = VoutDisplayDelWindow;
1103     }
1104     owner.sys = osys;
1105
1106     /* */
1107     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1108                                                  module, !is_wrapper,
1109                                                  &source, cfg, &owner);
1110     if (!p_display) {
1111         free(osys);
1112         return NULL;
1113     }
1114
1115     VoutDisplayCreateRender(p_display);
1116
1117     /* Setup delayed request */
1118     if (osys->sar.num != source_org->i_sar_num ||
1119         osys->sar.den != source_org->i_sar_den)
1120         osys->ch_sar = true;
1121     if (osys->wm_state != VOUT_WINDOW_STATE_NORMAL)
1122         osys->ch_wm_state = true;
1123     if (osys->crop.x      != source_org->i_x_offset ||
1124         osys->crop.y      != source_org->i_y_offset ||
1125         osys->crop.width  != source_org->i_visible_width ||
1126         osys->crop.height != source_org->i_visible_height)
1127         osys->ch_crop = true;
1128
1129     return p_display;
1130 }
1131
1132 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1133 {
1134     vout_display_owner_sys_t *osys = vd->owner.sys;
1135
1136     if (state) {
1137         if (!osys->is_wrapper )
1138             state->cfg = osys->cfg;
1139         state->is_on_top = (osys->wm_state & VOUT_WINDOW_STATE_ABOVE) != 0;
1140         state->sar.num   = osys->sar_initial.num;
1141         state->sar.den   = osys->sar_initial.den;
1142     }
1143
1144     VoutDisplayDestroyRender(vd);
1145     if (osys->is_wrapper)
1146         SplitterClose(vd);
1147     vout_display_Delete(vd);
1148     vlc_mutex_destroy(&osys->lock);
1149     free(osys);
1150 }
1151
1152 /*****************************************************************************
1153  *
1154  *****************************************************************************/
1155 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1156                                 const video_format_t *source,
1157                                 const vout_display_state_t *state,
1158                                 const char *module,
1159                                 mtime_t double_click_timeout,
1160                                 mtime_t hide_timeout)
1161 {
1162     return DisplayNew(vout, source, state, module, false, NULL,
1163                       double_click_timeout, hide_timeout, NULL);
1164 }
1165
1166 static void SplitterClose(vout_display_t *vd)
1167 {
1168     VLC_UNUSED(vd);
1169     assert(0);
1170 }
1171
1172 #if 0
1173 /*****************************************************************************
1174  *
1175  *****************************************************************************/
1176 struct vout_display_sys_t {
1177     video_splitter_t *splitter;
1178
1179     /* */
1180     int            count;
1181     picture_t      **picture;
1182     vout_display_t **display;
1183 };
1184 struct video_splitter_owner_t {
1185     vout_display_t *wrapper;
1186 };
1187
1188 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1189 {
1190     vout_display_owner_sys_t *osys = vd->owner.sys;
1191
1192     vout_window_cfg_t cfg = *cfg_ptr;
1193     cfg.is_standalone = true;
1194     cfg.x += 0;//output->window.i_x; FIXME
1195     cfg.y += 0;//output->window.i_y;
1196
1197     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1198 }
1199 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1200 {
1201     vout_display_owner_sys_t *osys = vd->owner.sys;
1202
1203     vout_DeleteDisplayWindow(osys->vout, vd, window);
1204 }
1205 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1206 {
1207     vout_display_owner_sys_t *osys = vd->owner.sys;
1208
1209     switch (event) {
1210 #if 0
1211     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1212     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1213     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1214     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1215         /* TODO */
1216         break;
1217 #endif
1218     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1219     case VOUT_DISPLAY_EVENT_KEY:
1220     case VOUT_DISPLAY_EVENT_CLOSE:
1221     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1222     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1223     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1224         VoutDisplayEvent(vd, event, args);
1225         break;
1226
1227     default:
1228         msg_Err(vd, "SplitterEvent TODO");
1229         break;
1230     }
1231 }
1232
1233 static picture_t *SplitterGet(vout_display_t *vd)
1234 {
1235     /* TODO pool ? */
1236     return picture_NewFromFormat(&vd->fmt);
1237 }
1238 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1239 {
1240     vout_display_sys_t *sys = vd->sys;
1241
1242     picture_Hold(picture);
1243
1244     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1245         for (int i = 0; i < sys->count; i++)
1246             sys->picture[i] = NULL;
1247         picture_Release(picture);
1248         return;
1249     }
1250
1251     for (int i = 0; i < sys->count; i++) {
1252         /* */
1253         /* FIXME now vout_FilterDisplay already return a direct buffer FIXME */
1254         sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1255         if (!sys->picture[i])
1256             continue;
1257
1258         /* */
1259         picture_t *direct = vout_display_Get(sys->display[i]);
1260         if (!direct) {
1261             msg_Err(vd, "Failed to get a direct buffer");
1262             picture_Release(sys->picture[i]);
1263             sys->picture[i] = NULL;
1264             continue;
1265         }
1266
1267         /* FIXME not always needed (easy when there is a osys->filters) */
1268         picture_Copy(direct, sys->picture[i]);
1269         picture_Release(sys->picture[i]);
1270         sys->picture[i] = direct;
1271
1272         vout_display_Prepare(sys->display[i], sys->picture[i]);
1273     }
1274 }
1275 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1276 {
1277     vout_display_sys_t *sys = vd->sys;
1278
1279     for (int i = 0; i < sys->count; i++) {
1280         if (sys->picture[i])
1281             vout_display_Display(sys->display[i], sys->picture[i]);
1282     }
1283     picture_Release(picture);
1284 }
1285 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1286 {
1287     return VLC_EGENERIC;
1288 }
1289 static void SplitterManage(vout_display_t *vd)
1290 {
1291     vout_display_sys_t *sys = vd->sys;
1292
1293     for (int i = 0; i < sys->count; i++)
1294         vout_ManageDisplay(sys->display[i]);
1295 }
1296
1297 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1298 {
1299     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1300
1301     for (int i = 0; i < wsys->count; i++) {
1302         /* TODO pool ? */
1303         picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1304         if (!picture[i]) {
1305             for (int j = 0; j < i; j++)
1306                 picture_Release(picture[j]);
1307             return VLC_EGENERIC;
1308         }
1309     }
1310     return VLC_SUCCESS;
1311 }
1312 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1313 {
1314     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1315
1316     for (int i = 0; i < wsys->count; i++)
1317         picture_Release(picture[i]);
1318 }
1319 static void SplitterClose(vout_display_t *vd)
1320 {
1321     vout_display_sys_t *sys = vd->sys;
1322
1323     /* */
1324     video_splitter_t *splitter = sys->splitter;
1325     free(splitter->p_owner);
1326     video_splitter_Delete(splitter);
1327
1328     /* */
1329     for (int i = 0; i < sys->count; i++)
1330         vout_DeleteDisplay(sys->display[i], NULL);
1331     TAB_CLEAN(sys->count, sys->display);
1332     free(sys->picture);
1333
1334     free(sys);
1335 }
1336
1337 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1338                                  const video_format_t *source,
1339                                  const vout_display_state_t *state,
1340                                  const char *module,
1341                                  const char *splitter_module,
1342                                  mtime_t double_click_timeout,
1343                                  mtime_t hide_timeout)
1344 {
1345     video_splitter_t *splitter =
1346         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1347     if (!splitter)
1348         return NULL;
1349
1350     /* */
1351     vout_display_t *wrapper =
1352         DisplayNew(vout, source, state, module, true, NULL,
1353                     double_click_timeout, hide_timeout, NULL);
1354     if (!wrapper) {
1355         video_splitter_Delete(splitter);
1356         return NULL;
1357     }
1358     vout_display_sys_t *sys = malloc(sizeof(*sys));
1359     if (!sys)
1360         abort();
1361     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1362     if (!sys->picture )
1363         abort();
1364     sys->splitter = splitter;
1365
1366     wrapper->get     = SplitterGet;
1367     wrapper->prepare = SplitterPrepare;
1368     wrapper->display = SplitterDisplay;
1369     wrapper->control = SplitterControl;
1370     wrapper->manage  = SplitterManage;
1371     wrapper->sys     = sys;
1372
1373     /* */
1374     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1375     if (!owner)
1376         abort();
1377     owner->wrapper = wrapper;
1378     splitter->p_owner = owner;
1379     splitter->pf_picture_new = SplitterPictureNew;
1380     splitter->pf_picture_del = SplitterPictureDel;
1381
1382     /* */
1383     TAB_INIT(sys->count, sys->display);
1384     for (int i = 0; i < splitter->i_output; i++) {
1385         vout_display_owner_t owner;
1386
1387         owner.event      = SplitterEvent;
1388         owner.window_new = SplitterNewWindow;
1389         owner.window_del = SplitterDelWindow;
1390
1391         const video_splitter_output_t *output = &splitter->p_output[i];
1392         vout_display_state_t ostate;
1393
1394         memset(&ostate, 0, sizeof(ostate));
1395         ostate.cfg.is_fullscreen = false;
1396         ostate.cfg.display = state->cfg.display;
1397         ostate.cfg.align.horizontal = 0; /* TODO */
1398         ostate.cfg.align.vertical = 0; /* TODO */
1399         ostate.cfg.is_display_filled = true;
1400         ostate.cfg.zoom.num = 1;
1401         ostate.cfg.zoom.den = 1;
1402
1403         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1404                                            output->psz_module ? output->psz_module : module,
1405                                            false, wrapper,
1406                                            double_click_timeout, hide_timeout, &owner);
1407         if (!vd) {
1408             vout_DeleteDisplay(wrapper, NULL);
1409             return NULL;
1410         }
1411         TAB_APPEND(sys->count, sys->display, vd);
1412     }
1413
1414     return wrapper;
1415 }
1416 #endif
1417
1418 /*****************************************************************************
1419  * TODO move out
1420  *****************************************************************************/
1421 #include "vout_internal.h"
1422 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1423 {
1424     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1425         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1426     }
1427     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1428         static const int buttons[] = {
1429             MOUSE_BUTTON_LEFT,
1430             MOUSE_BUTTON_CENTER,
1431             MOUSE_BUTTON_RIGHT,
1432             MOUSE_BUTTON_WHEEL_UP,
1433             MOUSE_BUTTON_WHEEL_DOWN,
1434             -1
1435         };
1436         for (int i = 0; buttons[i] >= 0; i++) {
1437             const int button = buttons[i];
1438             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1439                 vout_SendEventMousePressed(vout, button);
1440             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1441                 vout_SendEventMouseReleased(vout, button);
1442         }
1443     }
1444     if (m->b_double_click)
1445         vout_SendEventMouseDoubleClick(vout);
1446     vout->p->mouse = *m;
1447 }
1448 #ifdef ALLOW_DUMMY_VOUT
1449 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1450 {
1451     vout_thread_sys_t p;
1452
1453     if (!vout->p) {
1454         p.mouse = *fallback;
1455         vout->p = &p;
1456     }
1457     vout_SendDisplayEventMouse(vout, m);
1458     if (vout->p == &p) {
1459         *fallback = p.mouse;
1460         vout->p = NULL;
1461     }
1462 }
1463 #endif
1464 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd, const vout_window_cfg_t *cfg)
1465 {
1466     VLC_UNUSED(vd);
1467     vout_window_cfg_t cfg_override = *cfg;
1468
1469     if( !var_InheritBool( vout, "embedded-video" ) )
1470         cfg_override.is_standalone = true;
1471
1472     return vout_window_New(VLC_OBJECT(vout), NULL, &cfg_override);
1473 }
1474 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd, vout_window_t *window)
1475 {
1476     VLC_UNUSED(vout);
1477     VLC_UNUSED(vd);
1478     vout_window_Delete(window);
1479 }
1480