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 static void VoutDisplayCropRatio(unsigned *x, unsigned *y,
 677                                  unsigned *width, unsigned *height,
 678                                  const video_format_t *source,
 679                                  unsigned num, unsigned den)
 680 {
 681     unsigned scaled_width  = (uint64_t)source->i_visible_height * num * source->i_sar_den / den / source->i_sar_num;
 682     unsigned scaled_height = (uint64_t)source->i_visible_width  * den * source->i_sar_num / num / source->i_sar_den;
 683
 684     if (scaled_width < source->i_visible_width) {
 685         *x      = (source->i_visible_width - scaled_width) / 2;
 686         *y      = 0;
 687         *width  = scaled_width;
 688         *height = source->i_visible_height;
 689     } else {
 690         *x      = 0;
 691         *y      = (source->i_visible_height - scaled_height) / 2;
 692         *width  = source->i_visible_width;
 693         *height = scaled_height;
 694     }
 695     *x += source->i_x_offset;
 696     *y += source->i_y_offset;
 697 }
 698
 699 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 700 {
 701     vout_display_owner_sys_t *osys = vd->owner.sys;
 702
 703     vout_display_Manage(vd);
 704
 705     /* Handle mouse timeout */
 706     const mtime_t date = mdate();
 707     bool  hide_mouse = false;
 708
 709     vlc_mutex_lock(&osys->lock);
 710
 711     if (!osys->mouse.is_hidden &&
 712         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 713         osys->mouse.is_hidden = hide_mouse = true;
 714     } else if (osys->mouse.ch_activity) {
 715         osys->mouse.is_hidden = false;
 716     }
 717     osys->mouse.ch_activity = false;
 718     vlc_mutex_unlock(&osys->lock);
 719
 720     if (hide_mouse) {
 721         if (!vd->info.has_hide_mouse) {
 722             msg_Dbg(vd, "auto hidding mouse");
 723             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 724         }
 725         vout_SendEventMouseHidden(osys->vout);
 726     }
 727
 728     bool reset_render = false;
 729     for (;;) {
 730
 731         vlc_mutex_lock(&osys->lock);
 732
 733         bool ch_fullscreen  = osys->ch_fullscreen;
 734         bool is_fullscreen  = osys->is_fullscreen;
 735         osys->ch_fullscreen = false;
 736
 737         bool ch_wm_state  = osys->ch_wm_state;
 738         unsigned wm_state  = osys->wm_state;
 739         osys->ch_wm_state = false;
 740
 741         bool ch_display_size       = osys->ch_display_size;
 742         int  display_width         = osys->display_width;
 743         int  display_height        = osys->display_height;
 744         bool display_is_fullscreen = osys->display_is_fullscreen;
 745         bool display_is_forced     = osys->display_is_forced;
 746         osys->ch_display_size = false;
 747
 748         bool reset_pictures;
 749         if (allow_reset_pictures) {
 750             reset_pictures = osys->reset_pictures;
 751             osys->reset_pictures = false;
 752         } else {
 753             reset_pictures = false;
 754         }
 755
 756         vlc_mutex_unlock(&osys->lock);
 757
 758         if (!ch_fullscreen &&
 759             !ch_display_size &&
 760             !reset_pictures &&
 761             !osys->ch_display_filled &&
 762             !osys->ch_zoom &&
 763             !ch_wm_state &&
 764             !osys->ch_sar &&
 765             !osys->ch_crop) {
 766
 767             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 768                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 769                 osys->fit_window = 0;
 770                 continue;
 771             }
 772             break;
 773         }
 774
 775         /* */
 776         if (ch_fullscreen) {
 777             vout_display_cfg_t cfg = osys->cfg;
 778
 779             cfg.is_fullscreen  = is_fullscreen;
 780             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 781             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 782
 783             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 784                 msg_Err(vd, "Failed to set fullscreen");
 785                 is_fullscreen = osys->cfg.is_fullscreen;
 786             } else if (!is_fullscreen) {
 787                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, true);
 788             }
 789             osys->cfg.is_fullscreen = is_fullscreen;
 790
 791             /* */
 792             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 793         }
 794
 795         /* */
 796         if (ch_display_size) {
 797             vout_display_cfg_t cfg = osys->cfg;
 798             cfg.display.width  = display_width;
 799             cfg.display.height = display_height;
 800
 801             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 802                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 803                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 804                     msg_Err(vd, "Failed to resize display");
 805
 806                 /* We ignore the resized */
 807                 display_width  = osys->cfg.display.width;
 808                 display_height = osys->cfg.display.height;
 809             }
 810             osys->cfg.display.width  = display_width;
 811             osys->cfg.display.height = display_height;
 812
 813             if (!display_is_fullscreen) {
 814                 osys->width_saved  = display_width;
 815                 osys->height_saved = display_height;
 816             }
 817         }
 818         /* */
 819         if (osys->ch_display_filled) {
 820             vout_display_cfg_t cfg = osys->cfg;
 821
 822             cfg.is_display_filled = osys->is_display_filled;
 823
 824             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 825                 msg_Err(vd, "Failed to change display filled state");
 826                 osys->is_display_filled = osys->cfg.is_display_filled;
 827             }
 828             osys->cfg.is_display_filled = osys->is_display_filled;
 829             osys->ch_display_filled = false;
 830
 831             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 832         }
 833         /* */
 834         if (osys->ch_zoom) {
 835             vout_display_cfg_t cfg = osys->cfg;
 836
 837             cfg.zoom.num = osys->zoom.num;
 838             cfg.zoom.den = osys->zoom.den;
 839
 840             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 841                 cfg.zoom.num = 1;
 842                 cfg.zoom.den = 10;
 843             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 844                 cfg.zoom.num = 10;
 845                 cfg.zoom.den = 1;
 846             }
 847
 848             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 849                 msg_Err(vd, "Failed to change zoom");
 850                 osys->zoom.num = osys->cfg.zoom.num;
 851                 osys->zoom.den = osys->cfg.zoom.den;
 852             } else {
 853                 osys->fit_window = -1;
 854             }
 855
 856             osys->cfg.zoom.num = osys->zoom.num;
 857             osys->cfg.zoom.den = osys->zoom.den;
 858             osys->ch_zoom = false;
 859
 860             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 861         }
 862         /* */
 863         if (ch_wm_state) {
 864             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 865                 msg_Err(vd, "Failed to set on top");
 866                 wm_state = osys->wm_state;
 867             }
 868             osys->wm_state_initial = wm_state;
 869
 870             /* */
 871             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 872         }
 873         /* */
 874         if (osys->ch_sar) {
 875             video_format_t source = vd->source;
 876
 877             if (osys->sar.num > 0 && osys->sar.den > 0) {
 878                 source.i_sar_num = osys->sar.num;
 879                 source.i_sar_den = osys->sar.den;
 880             } else {
 881                 source.i_sar_num = osys->source.i_sar_num;
 882                 source.i_sar_den = osys->source.i_sar_den;
 883             }
 884
 885             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 886                 /* There nothing much we can do. The only reason a vout display
 887                  * does not support it is because it need the core to add black border
 888                  * to the video for it.
 889                  * TODO add black borders ?
 890                  */
 891                 msg_Err(vd, "Failed to change source AR");
 892                 source = vd->source;
 893             } else if (!osys->fit_window) {
 894                 osys->fit_window = 1;
 895             }
 896             vd->source = source;
 897             osys->sar.num = source.i_sar_num;
 898             osys->sar.den = source.i_sar_den;
 899             osys->ch_sar  = false;
 900
 901             /* */
 902             if (osys->sar.num == osys->source.i_sar_num &&
 903                 osys->sar.den == osys->source.i_sar_den)
 904             {
 905                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 906             }
 907             else
 908             {
 909                 unsigned dar_num, dar_den;
 910                 vlc_ureduce( &dar_num, &dar_den,
 911                              osys->sar.num * vd->source.i_visible_width,
 912                              osys->sar.den * vd->source.i_visible_height,
 913                              65536);
 914                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 915             }
 916             /* If a crop ratio is requested, recompute the parameters */
 917             if (osys->crop.num > 0 && osys->crop.den > 0)
 918                 osys->ch_crop = true;
 919         }
 920         /* */
 921         if (osys->ch_crop) {
 922             video_format_t source = vd->source;
 923
 924             unsigned crop_num = osys->crop.num;
 925             unsigned crop_den = osys->crop.den;
 926             if (crop_num > 0 && crop_den > 0) {
 927                 video_format_t fmt = osys->source;
 928                 fmt.i_sar_num = source.i_sar_num;
 929                 fmt.i_sar_den = source.i_sar_den;
 930                 VoutDisplayCropRatio(&osys->crop.x, &osys->crop.y,
 931                                      &osys->crop.width, &osys->crop.height,
 932                                      &fmt, crop_num, crop_den);
 933             }
 934
 935             source.i_x_offset       = osys->crop.x;
 936             source.i_y_offset       = osys->crop.y;
 937             source.i_visible_width  = osys->crop.width;
 938             source.i_visible_height = osys->crop.height;
 939
 940             /* */
 941             const bool is_valid = source.i_x_offset < source.i_width &&
 942                                   source.i_y_offset < source.i_height &&
 943                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 944                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 945                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 946
 947             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 948                 if (is_valid)
 949                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 950                 else
 951                     msg_Err(vd, "Invalid crop requested");
 952
 953                 source = vd->source;
 954                 crop_num = osys->crop_saved.num;
 955                 crop_den = osys->crop_saved.den;
 956                 /* FIXME implement cropping in the core if not supported by the
 957                  * vout module (easy)
 958                  */
 959             } else if (!osys->fit_window) {
 960                 osys->fit_window = 1;
 961             }
 962             vd->source = source;
 963             osys->crop.x      = source.i_x_offset;
 964             osys->crop.y      = source.i_y_offset;
 965             osys->crop.width  = source.i_visible_width;
 966             osys->crop.height = source.i_visible_height;
 967             osys->crop.num    = crop_num;
 968             osys->crop.den    = crop_den;
 969             osys->ch_crop = false;
 970
 971             /* TODO fix when a ratio is used (complicated). */
 972             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
 973             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
 974             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
 975             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
 976             vout_SendEventSourceCrop(osys->vout,
 977                                      osys->crop.num, osys->crop.den,
 978                                      left, top, right, bottom);
 979         }
 980
 981         /* */
 982         if (reset_pictures) {
 983             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
 984                 /* FIXME what to do here ? */
 985                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
 986             }
 987             reset_render = true;
 988         }
 989     }
 990     if (reset_render)
 991         VoutDisplayResetRender(vd);
 992 }
 993
 994 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
 995 {
 996     vout_display_owner_sys_t *osys = vd->owner.sys;
 997
 998     vlc_mutex_lock(&osys->lock);
 999     const bool reset_pictures = osys->reset_pictures;
1000     vlc_mutex_unlock(&osys->lock);
1001
1002     return reset_pictures;
1003 }
1004
1005 bool vout_IsDisplayFiltered(vout_display_t *vd)
1006 {
1007     vout_display_owner_sys_t *osys = vd->owner.sys;
1008
1009     return osys->filters != NULL;
1010 }
1011
1012 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
1013 {
1014     vout_display_owner_sys_t *osys = vd->owner.sys;
1015
1016     assert(osys->filters);
1017     return filter_chain_VideoFilter(osys->filters, picture);
1018 }
1019
1020 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
1021 {
1022     vout_display_owner_sys_t *osys = vd->owner.sys;
1023
1024     vlc_mutex_lock(&osys->lock);
1025     if (!osys->is_fullscreen != !is_fullscreen) {
1026         osys->ch_fullscreen = true;
1027         osys->is_fullscreen = is_fullscreen;
1028     }
1029     vlc_mutex_unlock(&osys->lock);
1030 }
1031
1032 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
1033 {
1034     vout_display_owner_sys_t *osys = vd->owner.sys;
1035
1036     if (!osys->is_display_filled != !is_filled) {
1037         osys->ch_display_filled = true;
1038         osys->is_display_filled = is_filled;
1039     }
1040 }
1041
1042 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1043 {
1044     vout_display_owner_sys_t *osys = vd->owner.sys;
1045
1046     if (osys->is_display_filled ||
1047         osys->zoom.num != num || osys->zoom.den != den) {
1048         osys->ch_zoom = true;
1049         osys->zoom.num = num;
1050         osys->zoom.den = den;
1051     }
1052 }
1053
1054 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1055 {
1056     vout_display_owner_sys_t *osys = vd->owner.sys;
1057
1058     vlc_mutex_lock(&osys->lock);
1059     if (osys->wm_state != state) {
1060         osys->ch_wm_state = true;
1061         osys->wm_state = state;
1062     }
1063     vlc_mutex_unlock(&osys->lock);
1064 }
1065
1066 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
1067 {
1068     vout_display_owner_sys_t *osys = vd->owner.sys;
1069
1070     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1071         osys->ch_sar = true;
1072         osys->sar.num = sar_num;
1073         osys->sar.den = sar_den;
1074     }
1075 }
1076 void vout_SetDisplayCrop(vout_display_t *vd,
1077                          unsigned crop_num, unsigned crop_den,
1078                          unsigned x, unsigned y, unsigned width, unsigned height)
1079 {
1080     vout_display_owner_sys_t *osys = vd->owner.sys;
1081
1082     if (osys->crop.x != x || osys->crop.y != y ||
1083         osys->crop.width  != width || osys->crop.height != height ||
1084         (crop_num > 0 && crop_den > 0 &&
1085          (crop_num != osys->crop.num || crop_den != osys->crop.den))) {
1086
1087         osys->crop.x      = x;
1088         osys->crop.y      = y;
1089         osys->crop.width  = width;
1090         osys->crop.height = height;
1091         osys->crop.num    = crop_num;
1092         osys->crop.den    = crop_den;
1093
1094         osys->ch_crop = true;
1095     }
1096 }
1097 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1098 {
1099     vout_opengl_t *gl;
1100     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1101         return NULL;
1102     return gl;
1103 }
1104
1105 static vout_display_t *DisplayNew(vout_thread_t *vout,
1106                                   const video_format_t *source_org,
1107                                   const vout_display_state_t *state,
1108                                   const char *module,
1109                                   bool is_wrapper, vout_display_t *wrapper,
1110                                   mtime_t double_click_timeout,
1111                                   mtime_t hide_timeout,
1112                                   const vout_display_owner_t *owner_ptr)
1113 {
1114     /* */
1115     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1116     vout_display_cfg_t *cfg = &osys->cfg;
1117
1118     *cfg = state->cfg;
1119     osys->wm_state_initial = -1;
1120     osys->sar_initial.num = state->sar.num;
1121     osys->sar_initial.den = state->sar.den;
1122     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1123                                        source_org, cfg);
1124
1125     osys->vout = vout;
1126     osys->is_wrapper = is_wrapper;
1127     osys->wrapper = wrapper;
1128
1129     vlc_mutex_init(&osys->lock);
1130
1131     vlc_mouse_Init(&osys->mouse.state);
1132     osys->mouse.last_moved = mdate();
1133     osys->mouse.double_click_timeout = double_click_timeout;
1134     osys->mouse.hide_timeout = hide_timeout;
1135     osys->is_fullscreen  = cfg->is_fullscreen;
1136     osys->display_width  = cfg->display.width;
1137     osys->display_height = cfg->display.height;
1138     osys->is_display_filled = cfg->is_display_filled;
1139     osys->width_saved    = cfg->display.width;
1140     osys->height_saved   = cfg->display.height;
1141     if (osys->is_fullscreen) {
1142         vout_display_cfg_t cfg_windowed = *cfg;
1143         cfg_windowed.is_fullscreen  = false;
1144         cfg_windowed.display.width  = 0;
1145         cfg_windowed.display.height = 0;
1146         vout_display_GetDefaultDisplaySize(&osys->width_saved,
1147                                            &osys->height_saved,
1148                                            source_org, &cfg_windowed);
1149     }
1150     osys->zoom.num = cfg->zoom.num;
1151     osys->zoom.den = cfg->zoom.den;
1152     osys->wm_state = state->wm_state;
1153     osys->fit_window = 0;
1154
1155     osys->source = *source_org;
1156
1157     video_format_t source = *source_org;
1158
1159     source.i_x_offset =
1160     osys->crop.x  = 0;
1161     source.i_y_offset =
1162     osys->crop.y  = 0;
1163     source.i_visible_width  =
1164     osys->crop.width    = source.i_width;
1165     source.i_visible_height =
1166     osys->crop.height   = source.i_height;
1167     osys->crop_saved.num = 0;
1168     osys->crop_saved.den = 0;
1169     osys->crop.num = 0;
1170     osys->crop.den = 0;
1171
1172     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1173     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1174 #ifdef ALLOW_DUMMY_VOUT
1175     vlc_mouse_Init(&osys->vout_mouse);
1176 #endif
1177
1178     vout_display_owner_t owner;
1179     if (owner_ptr) {
1180         owner = *owner_ptr;
1181     } else {
1182         owner.event      = VoutDisplayEvent;
1183         owner.window_new = VoutDisplayNewWindow;
1184         owner.window_del = VoutDisplayDelWindow;
1185     }
1186     owner.sys = osys;
1187
1188     /* */
1189     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1190                                                  module, !is_wrapper,
1191                                                  &source, cfg, &owner);
1192     if (!p_display) {
1193         free(osys);
1194         return NULL;
1195     }
1196
1197     VoutDisplayCreateRender(p_display);
1198
1199     /* Setup delayed request */
1200     if (osys->sar.num != source_org->i_sar_num ||
1201         osys->sar.den != source_org->i_sar_den)
1202         osys->ch_sar = true;
1203     if (osys->wm_state != osys->wm_state_initial)
1204         osys->ch_wm_state = true;
1205     if (osys->crop.x      != source_org->i_x_offset ||
1206         osys->crop.y      != source_org->i_y_offset ||
1207         osys->crop.width  != source_org->i_visible_width ||
1208         osys->crop.height != source_org->i_visible_height)
1209         osys->ch_crop = true;
1210
1211     return p_display;
1212 }
1213
1214 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1215 {
1216     vout_display_owner_sys_t *osys = vd->owner.sys;
1217
1218     if (state) {
1219         if (!osys->is_wrapper )
1220             state->cfg = osys->cfg;
1221         state->wm_state = osys->wm_state;
1222         state->sar.num  = osys->sar_initial.num;
1223         state->sar.den  = osys->sar_initial.den;
1224     }
1225
1226     VoutDisplayDestroyRender(vd);
1227     if (osys->is_wrapper)
1228         SplitterClose(vd);
1229     vout_display_Delete(vd);
1230     vlc_mutex_destroy(&osys->lock);
1231     free(osys);
1232 }
1233
1234 /*****************************************************************************
1235  *
1236  *****************************************************************************/
1237 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1238                                 const video_format_t *source,
1239                                 const vout_display_state_t *state,
1240                                 const char *module,
1241                                 mtime_t double_click_timeout,
1242                                 mtime_t hide_timeout)
1243 {
1244     return DisplayNew(vout, source, state, module, false, NULL,
1245                       double_click_timeout, hide_timeout, NULL);
1246 }
1247
1248 /*****************************************************************************
1249  *
1250  *****************************************************************************/
1251 struct vout_display_sys_t {
1252     picture_pool_t   *pool;
1253     video_splitter_t *splitter;
1254
1255     /* */
1256     int            count;
1257     picture_t      **picture;
1258     vout_display_t **display;
1259 };
1260 struct video_splitter_owner_t {
1261     vout_display_t *wrapper;
1262 };
1263
1264 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1265 {
1266     vout_display_owner_sys_t *osys = vd->owner.sys;
1267
1268     vout_window_cfg_t cfg = *cfg_ptr;
1269     cfg.is_standalone = true;
1270     cfg.x += 0;//output->window.i_x; FIXME
1271     cfg.y += 0;//output->window.i_y;
1272
1273     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1274 }
1275 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1276 {
1277     vout_display_owner_sys_t *osys = vd->owner.sys;
1278
1279     vout_DeleteDisplayWindow(osys->vout, vd, window);
1280 }
1281 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1282 {
1283     //vout_display_owner_sys_t *osys = vd->owner.sys;
1284
1285     switch (event) {
1286 #if 0
1287     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1288     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1289     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1290     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1291         /* TODO */
1292         break;
1293 #endif
1294     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1295     case VOUT_DISPLAY_EVENT_KEY:
1296     case VOUT_DISPLAY_EVENT_CLOSE:
1297     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1298     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1299     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1300         VoutDisplayEvent(vd, event, args);
1301         break;
1302
1303     default:
1304         msg_Err(vd, "SplitterEvent TODO");
1305         break;
1306     }
1307 }
1308
1309 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1310 {
1311     vout_display_sys_t *sys = vd->sys;
1312     if (!sys->pool)
1313         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1314     return sys->pool;
1315 }
1316 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1317 {
1318     vout_display_sys_t *sys = vd->sys;
1319
1320     picture_Hold(picture);
1321
1322     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1323         for (int i = 0; i < sys->count; i++)
1324             sys->picture[i] = NULL;
1325         picture_Release(picture);
1326         return;
1327     }
1328
1329     for (int i = 0; i < sys->count; i++) {
1330         if (vout_IsDisplayFiltered(sys->display[i]))
1331             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1332         if (sys->picture[i])
1333             vout_display_Prepare(sys->display[i], sys->picture[i]);
1334     }
1335 }
1336 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1337 {
1338     vout_display_sys_t *sys = vd->sys;
1339
1340     for (int i = 0; i < sys->count; i++) {
1341         if (sys->picture[i])
1342             vout_display_Display(sys->display[i], sys->picture[i]);
1343     }
1344     picture_Release(picture);
1345 }
1346 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1347 {
1348     return VLC_EGENERIC;
1349 }
1350 static void SplitterManage(vout_display_t *vd)
1351 {
1352     vout_display_sys_t *sys = vd->sys;
1353
1354     for (int i = 0; i < sys->count; i++)
1355         vout_ManageDisplay(sys->display[i], true);
1356 }
1357
1358 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1359 {
1360     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1361
1362     for (int i = 0; i < wsys->count; i++) {
1363         if (vout_IsDisplayFiltered(wsys->display[i])) {
1364             /* TODO use a pool ? */
1365             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1366         } else {
1367             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1368             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1369         }
1370         if (!picture[i]) {
1371             for (int j = 0; j < i; j++)
1372                 picture_Release(picture[j]);
1373             return VLC_EGENERIC;
1374         }
1375     }
1376     return VLC_SUCCESS;
1377 }
1378 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1379 {
1380     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1381
1382     for (int i = 0; i < wsys->count; i++)
1383         picture_Release(picture[i]);
1384 }
1385 static void SplitterClose(vout_display_t *vd)
1386 {
1387     vout_display_sys_t *sys = vd->sys;
1388
1389     /* */
1390     video_splitter_t *splitter = sys->splitter;
1391     free(splitter->p_owner);
1392     video_splitter_Delete(splitter);
1393
1394     if (sys->pool)
1395         picture_pool_Delete(sys->pool);
1396
1397     /* */
1398     for (int i = 0; i < sys->count; i++)
1399         vout_DeleteDisplay(sys->display[i], NULL);
1400     TAB_CLEAN(sys->count, sys->display);
1401     free(sys->picture);
1402
1403     free(sys);
1404 }
1405
1406 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1407                                  const video_format_t *source,
1408                                  const vout_display_state_t *state,
1409                                  const char *module,
1410                                  const char *splitter_module,
1411                                  mtime_t double_click_timeout,
1412                                  mtime_t hide_timeout)
1413 {
1414     video_splitter_t *splitter =
1415         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1416     if (!splitter)
1417         return NULL;
1418
1419     /* */
1420     vout_display_t *wrapper =
1421         DisplayNew(vout, source, state, module, true, NULL,
1422                     double_click_timeout, hide_timeout, NULL);
1423     if (!wrapper) {
1424         video_splitter_Delete(splitter);
1425         return NULL;
1426     }
1427     vout_display_sys_t *sys = malloc(sizeof(*sys));
1428     if (!sys)
1429         abort();
1430     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1431     if (!sys->picture )
1432         abort();
1433     sys->splitter = splitter;
1434     sys->pool     = NULL;
1435
1436     wrapper->pool    = SplitterPool;
1437     wrapper->prepare = SplitterPrepare;
1438     wrapper->display = SplitterDisplay;
1439     wrapper->control = SplitterControl;
1440     wrapper->manage  = SplitterManage;
1441     wrapper->sys     = sys;
1442
1443     /* */
1444     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1445     if (!owner)
1446         abort();
1447     owner->wrapper = wrapper;
1448     splitter->p_owner = owner;
1449     splitter->pf_picture_new = SplitterPictureNew;
1450     splitter->pf_picture_del = SplitterPictureDel;
1451
1452     /* */
1453     TAB_INIT(sys->count, sys->display);
1454     for (int i = 0; i < splitter->i_output; i++) {
1455         vout_display_owner_t owner;
1456
1457         owner.event      = SplitterEvent;
1458         owner.window_new = SplitterNewWindow;
1459         owner.window_del = SplitterDelWindow;
1460
1461         const video_splitter_output_t *output = &splitter->p_output[i];
1462         vout_display_state_t ostate;
1463
1464         memset(&ostate, 0, sizeof(ostate));
1465         ostate.cfg.is_fullscreen = false;
1466         ostate.cfg.display = state->cfg.display;
1467         ostate.cfg.align.horizontal = 0; /* TODO */
1468         ostate.cfg.align.vertical = 0; /* TODO */
1469         ostate.cfg.is_display_filled = true;
1470         ostate.cfg.zoom.num = 1;
1471         ostate.cfg.zoom.den = 1;
1472
1473         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1474                                            output->psz_module ? output->psz_module : module,
1475                                            false, wrapper,
1476                                            double_click_timeout, hide_timeout, &owner);
1477         if (!vd) {
1478             vout_DeleteDisplay(wrapper, NULL);
1479             return NULL;
1480         }
1481         TAB_APPEND(sys->count, sys->display, vd);
1482     }
1483
1484     return wrapper;
1485 }
1486
1487 /*****************************************************************************
1488  * TODO move out
1489  *****************************************************************************/
1490 #include "vout_internal.h"
1491 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1492 {
1493     vlc_mouse_t tmp;
1494
1495     /* The check on p_spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1496     if (vout->p->p_spu && spu_ProcessMouse( vout->p->p_spu, m, &vout->p->display.vd->source))
1497         return;
1498
1499     vlc_mutex_lock( &vout->p->vfilter_lock );
1500     if (vout->p->vfilter_chain) {
1501         if (!filter_chain_MouseFilter(vout->p->vfilter_chain, &tmp, m))
1502             m = &tmp;
1503     }
1504     vlc_mutex_unlock( &vout->p->vfilter_lock );
1505
1506     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1507         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1508     }
1509     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1510         static const int buttons[] = {
1511             MOUSE_BUTTON_LEFT,
1512             MOUSE_BUTTON_CENTER,
1513             MOUSE_BUTTON_RIGHT,
1514             MOUSE_BUTTON_WHEEL_UP,
1515             MOUSE_BUTTON_WHEEL_DOWN,
1516             -1
1517         };
1518         for (int i = 0; buttons[i] >= 0; i++) {
1519             const int button = buttons[i];
1520             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1521                 vout_SendEventMousePressed(vout, button);
1522             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1523                 vout_SendEventMouseReleased(vout, button);
1524         }
1525     }
1526     if (m->b_double_click)
1527         vout_SendEventMouseDoubleClick(vout);
1528     vout->p->mouse = *m;
1529 }
1530 #ifdef ALLOW_DUMMY_VOUT
1531 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1532 {
1533     vout_thread_sys_t p;
1534
1535     if (!vout->p) {
1536         p.mouse = *fallback;
1537         vlc_mutex_init(&p.vfilter_lock);
1538         p.vfilter_chain = NULL;
1539         p.p_spu = NULL;
1540         vout->p = &p;
1541     }
1542     vout_SendDisplayEventMouse(vout, m);
1543     if (vout->p == &p) {
1544         vlc_mutex_destroy(&p.vfilter_lock);
1545         *fallback = p.mouse;
1546         vout->p = NULL;
1547     }
1548 }
1549 #endif
1550