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 it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * 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 #include <vlc_block.h>
  37 #include <vlc_modules.h>
  38
  39 #include <libvlc.h>
  40
  41 #include "display.h"
  42
  43 #include "event.h"
  44
  45 /* It must be present as long as a vout_display_t must be created using a dummy
  46  * vout (as an opengl provider) */
  47 #define ALLOW_DUMMY_VOUT
  48
  49 static void SplitterClose(vout_display_t *vd);
  50
  51 /*****************************************************************************
  52  * FIXME/TODO see how to have direct rendering here (interact with vout.c)
  53  *****************************************************************************/
  54 static picture_t *VideoBufferNew(filter_t *filter)
  55 {
  56     vout_display_t *vd = (vout_display_t*)filter->p_owner;
  57     const video_format_t *fmt = &filter->fmt_out.video;
  58
  59     assert(vd->fmt.i_chroma == fmt->i_chroma &&
  60            vd->fmt.i_width  == fmt->i_width  &&
  61            vd->fmt.i_height == fmt->i_height);
  62
  63     picture_pool_t *pool = vout_display_Pool(vd, 3);
  64     if (!pool)
  65         return NULL;
  66     return picture_pool_Get(pool);
  67 }
  68 static void VideoBufferDelete(filter_t *filter, picture_t *picture)
  69 {
  70     VLC_UNUSED(filter);
  71     picture_Release(picture);
  72 }
  73
  74 static int  FilterAllocationInit(filter_t *filter, void *vd)
  75 {
  76     filter->pf_video_buffer_new = VideoBufferNew;
  77     filter->pf_video_buffer_del = VideoBufferDelete;
  78     filter->p_owner             = vd;
  79
  80     return VLC_SUCCESS;
  81 }
  82 static void FilterAllocationClean(filter_t *filter)
  83 {
  84     filter->pf_video_buffer_new = NULL;
  85     filter->pf_video_buffer_del = NULL;
  86     filter->p_owner             = NULL;
  87 }
  88
  89 /*****************************************************************************
  90  *
  91  *****************************************************************************/
  92
  93 /**
  94  * It creates a new vout_display_t using the given configuration.
  95  */
  96 static vout_display_t *vout_display_New(vlc_object_t *obj,
  97                                         const char *module, bool load_module,
  98                                         const video_format_t *fmt,
  99                                         const vout_display_cfg_t *cfg,
 100                                         vout_display_owner_t *owner)
 101 {
 102     /* */
 103     vout_display_t *vd = vlc_custom_create(obj, sizeof(*vd), "vout display" );
 104
 105     /* */
 106     video_format_Copy(&vd->source, fmt);
 107
 108     /* Picture buffer does not have the concept of aspect ratio */
 109     video_format_Copy(&vd->fmt, fmt);
 110     vd->fmt.i_sar_num = 0;
 111     vd->fmt.i_sar_den = 0;
 112
 113     vd->info.is_slow = false;
 114     vd->info.has_double_click = false;
 115     vd->info.has_hide_mouse = false;
 116     vd->info.has_pictures_invalid = false;
 117     vd->info.has_event_thread = false;
 118     vd->info.subpicture_chromas = NULL;
 119
 120     vd->cfg = cfg;
 121     vd->pool = NULL;
 122     vd->prepare = NULL;
 123     vd->display = NULL;
 124     vd->control = NULL;
 125     vd->manage = NULL;
 126     vd->sys = NULL;
 127
 128     vd->owner = *owner;
 129
 130     if (load_module) {
 131         vd->module = module_need(vd, "vout display", module, module && *module != '\0');
 132         if (!vd->module) {
 133             vlc_object_release(vd);
 134             return NULL;
 135         }
 136     } else {
 137         vd->module = NULL;
 138     }
 139     return vd;
 140 }
 141
 142 /**
 143  * It deletes a vout_display_t
 144  */
 145 static void vout_display_Delete(vout_display_t *vd)
 146 {
 147     if (vd->module)
 148         module_unneed(vd, vd->module);
 149
 150     vlc_object_release(vd);
 151 }
 152
 153 /**
 154  * It controls a vout_display_t
 155  */
 156 static int vout_display_Control(vout_display_t *vd, int query, ...)
 157 {
 158     va_list args;
 159     int result;
 160
 161     va_start(args, query);
 162     result = vd->control(vd, query, args);
 163     va_end(args);
 164
 165     return result;
 166 }
 167
 168 static void vout_display_Manage(vout_display_t *vd)
 169 {
 170     if (vd->manage)
 171         vd->manage(vd);
 172 }
 173
 174 /* */
 175 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 176                                         const video_format_t *source,
 177                                         const vout_display_cfg_t *cfg)
 178 {
 179     if (cfg->display.width > 0 && cfg->display.height > 0) {
 180         *width  = cfg->display.width;
 181         *height = cfg->display.height;
 182     } else if (cfg->display.width > 0) {
 183         *width  = cfg->display.width;
 184         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 185             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 186     } else if (cfg->display.height > 0) {
 187         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 188             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 189         *height = cfg->display.height;
 190     } else if (source->i_sar_num >= source->i_sar_den) {
 191         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 192         *height = source->i_visible_height;
 193     } else {
 194         *width  = source->i_visible_width;
 195         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 196     }
 197
 198     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 199     *height = *height * cfg->zoom.num / cfg->zoom.den;
 200 }
 201
 202 /* */
 203 void vout_display_PlacePicture(vout_display_place_t *place,
 204                                const video_format_t *source,
 205                                const vout_display_cfg_t *cfg,
 206                                bool do_clipping)
 207 {
 208     /* */
 209     memset(place, 0, sizeof(*place));
 210     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 211         return;
 212
 213     /* */
 214     unsigned display_width;
 215     unsigned display_height;
 216
 217     if (cfg->is_display_filled) {
 218         display_width  = cfg->display.width;
 219         display_height = cfg->display.height;
 220     } else {
 221         vout_display_cfg_t cfg_tmp = *cfg;
 222
 223         cfg_tmp.display.width  = 0;
 224         cfg_tmp.display.height = 0;
 225         vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 226                                            source, &cfg_tmp);
 227
 228         if (do_clipping) {
 229             display_width  = __MIN(display_width,  cfg->display.width);
 230             display_height = __MIN(display_height, cfg->display.height);
 231         }
 232     }
 233
 234     const unsigned width  = source->i_visible_width;
 235     const unsigned height = source->i_visible_height;
 236     /* Compute the height if we use the width to fill up display_width */
 237     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;
 238     /* And the same but switching width/height */
 239     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;
 240
 241     /* We keep the solution that avoid filling outside the display */
 242     if (scaled_width <= cfg->display.width) {
 243         place->width  = scaled_width;
 244         place->height = display_height;
 245     } else {
 246         place->width  = display_width;
 247         place->height = scaled_height;
 248     }
 249
 250     /*  Compute position */
 251     switch (cfg->align.horizontal) {
 252     case VOUT_DISPLAY_ALIGN_LEFT:
 253         place->x = 0;
 254         break;
 255     case VOUT_DISPLAY_ALIGN_RIGHT:
 256         place->x = cfg->display.width - place->width;
 257         break;
 258     default:
 259         place->x = ((int)cfg->display.width - (int)place->width) / 2;
 260         break;
 261     }
 262
 263     switch (cfg->align.vertical) {
 264     case VOUT_DISPLAY_ALIGN_TOP:
 265         place->y = 0;
 266         break;
 267     case VOUT_DISPLAY_ALIGN_BOTTOM:
 268         place->y = cfg->display.height - place->height;
 269         break;
 270     default:
 271         place->y = ((int)cfg->display.height - (int)place->height) / 2;
 272         break;
 273     }
 274 }
 275
 276 struct vout_display_owner_sys_t {
 277     vout_thread_t   *vout;
 278     bool            is_wrapper;  /* Is the current display a wrapper */
 279     vout_display_t  *wrapper; /* Vout display wrapper */
 280
 281     /* */
 282     vout_display_cfg_t cfg;
 283     unsigned     wm_state_initial;
 284     struct {
 285         unsigned num;
 286         unsigned den;
 287     } sar_initial;
 288
 289     /* */
 290     unsigned width_saved;
 291     unsigned height_saved;
 292
 293     struct {
 294         unsigned num;
 295         unsigned den;
 296     } crop_saved;
 297
 298     /* */
 299     bool ch_display_filled;
 300     bool is_display_filled;
 301
 302     bool ch_zoom;
 303     struct {
 304         int  num;
 305         int  den;
 306     } zoom;
 307
 308     bool ch_wm_state;
 309     unsigned wm_state;
 310
 311     bool ch_sar;
 312     struct {
 313         unsigned num;
 314         unsigned den;
 315     } sar;
 316
 317     bool ch_crop;
 318     struct {
 319         int      left;
 320         int      top;
 321         int      right;
 322         int      bottom;
 323         unsigned num;
 324         unsigned den;
 325     } crop;
 326
 327     /* */
 328     video_format_t source;
 329     filter_chain_t *filters;
 330
 331     /* Lock protecting the variables used by
 332      * VoutDisplayEvent(ie vout_display_SendEvent) */
 333     vlc_mutex_t lock;
 334
 335     /* mouse state */
 336     struct {
 337         vlc_mouse_t state;
 338
 339         mtime_t last_pressed;
 340         mtime_t last_moved;
 341         bool    is_hidden;
 342         bool    ch_activity;
 343
 344         /* */
 345         mtime_t double_click_timeout;
 346         mtime_t hide_timeout;
 347     } mouse;
 348
 349     bool reset_pictures;
 350
 351     bool ch_fullscreen;
 352     bool is_fullscreen;
 353
 354     bool ch_display_size;
 355     int  display_width;
 356     int  display_height;
 357     bool display_is_fullscreen;
 358     bool display_is_forced;
 359
 360     int  fit_window;
 361
 362     struct {
 363         vlc_thread_t thread;
 364         block_fifo_t *fifo;
 365     } event;
 366
 367 #ifdef ALLOW_DUMMY_VOUT
 368     vlc_mouse_t vout_mouse;
 369 #endif
 370 };
 371
 372 static void DummyVoutSendDisplayEventMouse(vout_thread_t *, vlc_mouse_t *fallback, const vlc_mouse_t *m);
 373
 374 static void VoutDisplayCreateRender(vout_display_t *vd)
 375 {
 376     vout_display_owner_sys_t *osys = vd->owner.sys;
 377
 378     osys->filters = NULL;
 379
 380     video_format_t v_src = vd->source;
 381     v_src.i_sar_num = 0;
 382     v_src.i_sar_den = 0;
 383
 384     video_format_t v_dst = vd->fmt;
 385     v_dst.i_sar_num = 0;
 386     v_dst.i_sar_den = 0;
 387
 388     video_format_t v_dst_cmp = v_dst;
 389     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 390         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 391         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 392         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 393         v_dst_cmp.i_chroma = v_src.i_chroma;
 394
 395     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 396     if (!convert)
 397         return;
 398
 399     msg_Dbg(vd, "A filter to adapt decoder to display is needed");
 400
 401     osys->filters = filter_chain_New(vd, "video filter2", false,
 402                                      FilterAllocationInit,
 403                                      FilterAllocationClean, vd);
 404     assert(osys->filters); /* TODO critical */
 405
 406     /* */
 407     es_format_t src;
 408     es_format_InitFromVideo(&src, &v_src);
 409
 410     /* */
 411     es_format_t dst;
 412
 413     filter_t *filter;
 414     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 415
 416         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 417
 418         filter_chain_Reset(osys->filters, &src, &dst);
 419         filter = filter_chain_AppendFilter(osys->filters,
 420                                            NULL, NULL, &src, &dst);
 421         if (filter)
 422             break;
 423     }
 424     if (!filter)
 425         msg_Err(vd, "Failed to adapt decoder format to display");
 426 }
 427
 428 static void VoutDisplayDestroyRender(vout_display_t *vd)
 429 {
 430     vout_display_owner_sys_t *osys = vd->owner.sys;
 431
 432     if (osys->filters)
 433         filter_chain_Delete(osys->filters);
 434 }
 435
 436 static void VoutDisplayResetRender(vout_display_t *vd)
 437 {
 438     VoutDisplayDestroyRender(vd);
 439     VoutDisplayCreateRender(vd);
 440 }
 441 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 442 {
 443     vout_display_owner_sys_t *osys = vd->owner.sys;
 444
 445     vlc_mutex_lock(&osys->lock);
 446
 447     /* */
 448     vlc_mouse_t m = osys->mouse.state;
 449     bool is_ignored = false;
 450
 451     switch (event) {
 452     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 453         const int x = (int)va_arg(args, int);
 454         const int y = (int)va_arg(args, int);
 455         const int button_mask = (int)va_arg(args, int);
 456
 457         vlc_mouse_Init(&m);
 458         m.i_x = x;
 459         m.i_y = y;
 460         m.i_pressed = button_mask;
 461         break;
 462     }
 463     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 464         const int x = (int)va_arg(args, int);
 465         const int y = (int)va_arg(args, int);
 466
 467         //msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 468
 469         m.i_x = x;
 470         m.i_y = y;
 471         m.b_double_click = false;
 472         break;
 473     }
 474     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 475     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 476         const int button = (int)va_arg(args, int);
 477         const int button_mask = 1 << button;
 478
 479         /* Ignore inconsistent event */
 480         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 481             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 482             is_ignored = true;
 483             break;
 484         }
 485
 486         /* */
 487         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 488
 489         m.b_double_click = false;
 490         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 491             m.i_pressed |= button_mask;
 492         else
 493             m.i_pressed &= ~button_mask;
 494         break;
 495     }
 496     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 497         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 498
 499         m.b_double_click = true;
 500         break;
 501     default:
 502         assert(0);
 503     }
 504
 505     if (is_ignored) {
 506         vlc_mutex_unlock(&osys->lock);
 507         return;
 508     }
 509
 510     /* Emulate double-click if needed */
 511     if (!vd->info.has_double_click &&
 512         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 513         const mtime_t i_date = mdate();
 514
 515         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 516             m.b_double_click = true;
 517             osys->mouse.last_pressed = 0;
 518         } else {
 519             osys->mouse.last_pressed = mdate();
 520         }
 521     }
 522
 523     /* */
 524     osys->mouse.state = m;
 525
 526     /* */
 527     osys->mouse.ch_activity = true;
 528     if (!vd->info.has_hide_mouse)
 529         osys->mouse.last_moved = mdate();
 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     vlc_mutex_unlock(&osys->lock);
 539 }
 540
 541 VLC_NORETURN
 542 static void *VoutDisplayEventKeyDispatch(void *data)
 543 {
 544     vout_display_owner_sys_t *osys = data;
 545
 546     for (;;) {
 547         block_t *event = block_FifoGet(osys->event.fifo);
 548
 549         int cancel = vlc_savecancel();
 550
 551         int key;
 552         memcpy(&key, event->p_buffer, sizeof(key));
 553         vout_SendEventKey(osys->vout, key);
 554         block_Release(event);
 555
 556         vlc_restorecancel(cancel);
 557     }
 558 }
 559
 560 static void VoutDisplayEventKey(vout_display_t *vd, int key)
 561 {
 562     vout_display_owner_sys_t *osys = vd->owner.sys;
 563
 564     if (!osys->event.fifo) {
 565         osys->event.fifo = block_FifoNew();
 566         if (!osys->event.fifo)
 567             return;
 568         if (vlc_clone(&osys->event.thread, VoutDisplayEventKeyDispatch,
 569                       osys, VLC_THREAD_PRIORITY_LOW)) {
 570             block_FifoRelease(osys->event.fifo);
 571             osys->event.fifo = NULL;
 572             return;
 573         }
 574     }
 575     block_t *event = block_Alloc(sizeof(key));
 576     if (event) {
 577         memcpy(event->p_buffer, &key, sizeof(key));
 578         block_FifoPut(osys->event.fifo, event);
 579     }
 580 }
 581
 582 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 583 {
 584     vout_display_owner_sys_t *osys = vd->owner.sys;
 585
 586     switch (event) {
 587     case VOUT_DISPLAY_EVENT_CLOSE: {
 588         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 589         vout_SendEventClose(osys->vout);
 590         break;
 591     }
 592     case VOUT_DISPLAY_EVENT_KEY: {
 593         const int key = (int)va_arg(args, int);
 594         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 595         if (vd->info.has_event_thread)
 596             vout_SendEventKey(osys->vout, key);
 597         else
 598             VoutDisplayEventKey(vd, key);
 599         break;
 600     }
 601     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 602     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 603     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 604     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 605     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 606         VoutDisplayEventMouse(vd, event, args);
 607         break;
 608
 609     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 610         const int is_fullscreen = (int)va_arg(args, int);
 611
 612         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 613
 614         vlc_mutex_lock(&osys->lock);
 615         if (!is_fullscreen != !osys->is_fullscreen) {
 616             osys->ch_fullscreen = true;
 617             osys->is_fullscreen = is_fullscreen;
 618         }
 619         vlc_mutex_unlock(&osys->lock);
 620         break;
 621     }
 622
 623     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 624         const unsigned state = va_arg(args, unsigned);
 625
 626         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 627
 628         vlc_mutex_lock(&osys->lock);
 629         if (state != osys->wm_state) {
 630             osys->ch_wm_state = true;
 631             osys->wm_state = state;
 632         }
 633         vlc_mutex_unlock(&osys->lock);
 634         break;
 635     }
 636
 637     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 638         const int width  = (int)va_arg(args, int);
 639         const int height = (int)va_arg(args, int);
 640         const bool is_fullscreen = (bool)va_arg(args, int);
 641         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 642                 width, height, is_fullscreen ? "fullscreen" : "window");
 643
 644         /* */
 645         vlc_mutex_lock(&osys->lock);
 646
 647         osys->ch_display_size       = true;
 648         osys->display_width         = width;
 649         osys->display_height        = height;
 650         osys->display_is_fullscreen = is_fullscreen;
 651         osys->display_is_forced     = false;
 652
 653         vlc_mutex_unlock(&osys->lock);
 654         break;
 655     }
 656
 657     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 658         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 659
 660         /* */
 661         assert(vd->info.has_pictures_invalid);
 662
 663         vlc_mutex_lock(&osys->lock);
 664         osys->reset_pictures = true;
 665         vlc_mutex_unlock(&osys->lock);
 666         break;
 667     }
 668     default:
 669         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 670         /* TODO add an assert when all event are handled */
 671         break;
 672     }
 673 }
 674
 675 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 676 {
 677     vout_display_owner_sys_t *osys = vd->owner.sys;
 678
 679 #ifdef ALLOW_DUMMY_VOUT
 680     if (!osys->vout->p) {
 681         vout_window_cfg_t cfg_override = *cfg;
 682
 683         if (!var_InheritBool(osys->vout, "embedded-video"))
 684             cfg_override.is_standalone = true;
 685
 686         return vout_window_New(VLC_OBJECT(osys->vout), "$window", &cfg_override);
 687     }
 688 #endif
 689     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 690 }
 691 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 692 {
 693     vout_display_owner_sys_t *osys = vd->owner.sys;
 694
 695 #ifdef ALLOW_DUMMY_VOUT
 696     if (!osys->vout->p) {
 697         if( window)
 698             vout_window_Delete(window);
 699         return;
 700     }
 701 #endif
 702     vout_DeleteDisplayWindow(osys->vout, vd, window);
 703 }
 704
 705 static void VoutDisplayFitWindow(vout_display_t *vd, bool default_size)
 706 {
 707     vout_display_owner_sys_t *osys = vd->owner.sys;
 708     vout_display_cfg_t cfg = osys->cfg;
 709
 710     if (!cfg.is_display_filled)
 711         return;
 712
 713     cfg.display.width = 0;
 714     if (default_size) {
 715         cfg.display.height = 0;
 716     } else {
 717         cfg.display.height = osys->height_saved;
 718         cfg.zoom.num = 1;
 719         cfg.zoom.den = 1;
 720     }
 721
 722     unsigned display_width;
 723     unsigned display_height;
 724     vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 725                                        &vd->source, &cfg);
 726
 727     vlc_mutex_lock(&osys->lock);
 728
 729     osys->ch_display_size       = true;
 730     osys->display_width         = display_width;
 731     osys->display_height        = display_height;
 732     osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 733     osys->display_is_forced     = true;
 734
 735     vlc_mutex_unlock(&osys->lock);
 736 }
 737
 738 static void VoutDisplayCropRatio(int *left, int *top, int *right, int *bottom,
 739                                  const video_format_t *source,
 740                                  unsigned num, unsigned den)
 741 {
 742     unsigned scaled_width  = (uint64_t)source->i_visible_height * num * source->i_sar_den / den / source->i_sar_num;
 743     unsigned scaled_height = (uint64_t)source->i_visible_width  * den * source->i_sar_num / num / source->i_sar_den;
 744
 745     if (scaled_width < source->i_visible_width) {
 746         *left   = (source->i_visible_width - scaled_width) / 2;
 747         *top    = 0;
 748         *right  = *left + scaled_width;
 749         *bottom = *top  + source->i_visible_height;
 750     } else {
 751         *left   = 0;
 752         *top    = (source->i_visible_height - scaled_height) / 2;
 753         *right  = *left + source->i_visible_width;
 754         *bottom = *top  + scaled_height;
 755     }
 756 }
 757
 758 bool vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 759 {
 760     vout_display_owner_sys_t *osys = vd->owner.sys;
 761
 762     vout_display_Manage(vd);
 763
 764     /* Handle mouse timeout */
 765     const mtime_t date = mdate();
 766     bool  hide_mouse = false;
 767
 768     vlc_mutex_lock(&osys->lock);
 769
 770     if (!osys->mouse.is_hidden &&
 771         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 772         osys->mouse.is_hidden = hide_mouse = true;
 773     } else if (osys->mouse.ch_activity) {
 774         osys->mouse.is_hidden = false;
 775     }
 776     osys->mouse.ch_activity = false;
 777     vlc_mutex_unlock(&osys->lock);
 778
 779     if (hide_mouse) {
 780         if (!vd->info.has_hide_mouse) {
 781             msg_Dbg(vd, "auto hiding mouse cursor");
 782             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 783         }
 784         vout_SendEventMouseHidden(osys->vout);
 785     }
 786
 787     bool reset_render = false;
 788     for (;;) {
 789
 790         vlc_mutex_lock(&osys->lock);
 791
 792         bool ch_fullscreen  = osys->ch_fullscreen;
 793         bool is_fullscreen  = osys->is_fullscreen;
 794         osys->ch_fullscreen = false;
 795
 796         bool ch_wm_state  = osys->ch_wm_state;
 797         unsigned wm_state  = osys->wm_state;
 798         osys->ch_wm_state = false;
 799
 800         bool ch_display_size       = osys->ch_display_size;
 801         int  display_width         = osys->display_width;
 802         int  display_height        = osys->display_height;
 803         bool display_is_fullscreen = osys->display_is_fullscreen;
 804         bool display_is_forced     = osys->display_is_forced;
 805         osys->ch_display_size = false;
 806
 807         bool reset_pictures;
 808         if (allow_reset_pictures) {
 809             reset_pictures = osys->reset_pictures;
 810             osys->reset_pictures = false;
 811         } else {
 812             reset_pictures = false;
 813         }
 814
 815         vlc_mutex_unlock(&osys->lock);
 816
 817         if (!ch_fullscreen &&
 818             !ch_display_size &&
 819             !reset_pictures &&
 820             !osys->ch_display_filled &&
 821             !osys->ch_zoom &&
 822             !ch_wm_state &&
 823             !osys->ch_sar &&
 824             !osys->ch_crop) {
 825
 826             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 827                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 828                 osys->fit_window = 0;
 829                 continue;
 830             }
 831             break;
 832         }
 833
 834         /* */
 835         if (ch_fullscreen) {
 836             vout_display_cfg_t cfg = osys->cfg;
 837
 838             cfg.is_fullscreen  = is_fullscreen;
 839             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 840             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 841
 842             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 843                 msg_Err(vd, "Failed to set fullscreen");
 844                 is_fullscreen = osys->cfg.is_fullscreen;
 845             } else if (!is_fullscreen) {
 846                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, true);
 847             }
 848             osys->cfg.is_fullscreen = is_fullscreen;
 849
 850             /* */
 851             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 852         }
 853
 854         /* */
 855         if (ch_display_size) {
 856             vout_display_cfg_t cfg = osys->cfg;
 857             cfg.display.width  = display_width;
 858             cfg.display.height = display_height;
 859
 860             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 861                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 862                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 863                     msg_Err(vd, "Failed to resize display");
 864
 865                 /* We ignore the resized */
 866                 display_width  = osys->cfg.display.width;
 867                 display_height = osys->cfg.display.height;
 868             }
 869             osys->cfg.display.width  = display_width;
 870             osys->cfg.display.height = display_height;
 871
 872             if (!display_is_fullscreen) {
 873                 osys->width_saved  = display_width;
 874                 osys->height_saved = display_height;
 875             }
 876         }
 877         /* */
 878         if (osys->ch_display_filled) {
 879             vout_display_cfg_t cfg = osys->cfg;
 880
 881             cfg.is_display_filled = osys->is_display_filled;
 882
 883             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 884                 msg_Err(vd, "Failed to change display filled state");
 885                 osys->is_display_filled = osys->cfg.is_display_filled;
 886             }
 887             osys->cfg.is_display_filled = osys->is_display_filled;
 888             osys->ch_display_filled = false;
 889
 890             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 891         }
 892         /* */
 893         if (osys->ch_zoom) {
 894             vout_display_cfg_t cfg = osys->cfg;
 895
 896             cfg.zoom.num = osys->zoom.num;
 897             cfg.zoom.den = osys->zoom.den;
 898
 899             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 900                 cfg.zoom.num = 1;
 901                 cfg.zoom.den = 10;
 902             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 903                 cfg.zoom.num = 10;
 904                 cfg.zoom.den = 1;
 905             }
 906
 907             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 908                 msg_Err(vd, "Failed to change zoom");
 909                 osys->zoom.num = osys->cfg.zoom.num;
 910                 osys->zoom.den = osys->cfg.zoom.den;
 911             } else {
 912                 osys->fit_window = -1;
 913             }
 914
 915             osys->cfg.zoom.num = osys->zoom.num;
 916             osys->cfg.zoom.den = osys->zoom.den;
 917             osys->ch_zoom = false;
 918
 919             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 920         }
 921         /* */
 922         if (ch_wm_state) {
 923             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 924                 msg_Err(vd, "Failed to set on top");
 925                 wm_state = osys->wm_state;
 926             }
 927             osys->wm_state_initial = wm_state;
 928
 929             /* */
 930             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 931         }
 932         /* */
 933         if (osys->ch_sar) {
 934             video_format_t source = vd->source;
 935
 936             if (osys->sar.num > 0 && osys->sar.den > 0) {
 937                 source.i_sar_num = osys->sar.num;
 938                 source.i_sar_den = osys->sar.den;
 939             } else {
 940                 source.i_sar_num = osys->source.i_sar_num;
 941                 source.i_sar_den = osys->source.i_sar_den;
 942             }
 943
 944             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 945                 /* There nothing much we can do. The only reason a vout display
 946                  * does not support it is because it need the core to add black border
 947                  * to the video for it.
 948                  * TODO add black borders ?
 949                  */
 950                 msg_Err(vd, "Failed to change source AR");
 951                 source = vd->source;
 952             } else if (!osys->fit_window) {
 953                 osys->fit_window = 1;
 954             }
 955             vd->source = source;
 956             osys->sar.num = source.i_sar_num;
 957             osys->sar.den = source.i_sar_den;
 958             osys->ch_sar  = false;
 959
 960             /* */
 961             if (osys->sar.num == osys->source.i_sar_num &&
 962                 osys->sar.den == osys->source.i_sar_den)
 963             {
 964                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 965             }
 966             else
 967             {
 968                 unsigned dar_num, dar_den;
 969                 vlc_ureduce( &dar_num, &dar_den,
 970                              osys->sar.num * vd->source.i_visible_width,
 971                              osys->sar.den * vd->source.i_visible_height,
 972                              65536);
 973                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 974             }
 975             /* If a crop ratio is requested, recompute the parameters */
 976             if (osys->crop.num > 0 && osys->crop.den > 0)
 977                 osys->ch_crop = true;
 978         }
 979         /* */
 980         if (osys->ch_crop) {
 981             video_format_t source = vd->source;
 982
 983             unsigned crop_num = osys->crop.num;
 984             unsigned crop_den = osys->crop.den;
 985             if (crop_num > 0 && crop_den > 0) {
 986                 video_format_t fmt = osys->source;
 987                 fmt.i_sar_num = source.i_sar_num;
 988                 fmt.i_sar_den = source.i_sar_den;
 989                 VoutDisplayCropRatio(&osys->crop.left,  &osys->crop.top,
 990                                      &osys->crop.right, &osys->crop.bottom,
 991                                      &fmt, crop_num, crop_den);
 992             }
 993             const int right_max  = osys->source.i_x_offset + osys->source.i_visible_width;
 994             const int bottom_max = osys->source.i_y_offset + osys->source.i_visible_height;
 995             int left   = VLC_CLIP((int)osys->source.i_x_offset + osys->crop.left,
 996                                 0, right_max - 1);
 997             int top    = VLC_CLIP((int)osys->source.i_y_offset + osys->crop.top,
 998                                 0, bottom_max - 1);
 999             int right, bottom;
1000             if (osys->crop.right <= 0)
1001                 right = (int)(osys->source.i_x_offset + osys->source.i_visible_width) + osys->crop.right;
1002             else
1003                 right = (int)osys->source.i_x_offset + osys->crop.right;
1004             right = VLC_CLIP(right, left + 1, right_max);
1005             if (osys->crop.bottom <= 0)
1006                 bottom = (int)(osys->source.i_y_offset + osys->source.i_visible_height) + osys->crop.bottom;
1007             else
1008                 bottom = (int)osys->source.i_y_offset + osys->crop.bottom;
1009             bottom = VLC_CLIP(bottom, top + 1, bottom_max);
1010
1011             source.i_x_offset       = left;
1012             source.i_y_offset       = top;
1013             source.i_visible_width  = right - left;
1014             source.i_visible_height = bottom - top;
1015             video_format_Print(VLC_OBJECT(vd), "SOURCE ", &osys->source);
1016             video_format_Print(VLC_OBJECT(vd), "CROPPED", &source);
1017             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
1018                 msg_Err(vd, "Failed to change source crop TODO implement crop at core");
1019
1020                 source = vd->source;
1021                 crop_num = osys->crop_saved.num;
1022                 crop_den = osys->crop_saved.den;
1023                 /* FIXME implement cropping in the core if not supported by the
1024                  * vout module (easy)
1025                  */
1026             } else if (!osys->fit_window) {
1027                 osys->fit_window = 1;
1028             }
1029             vd->source = source;
1030             osys->crop.left   = source.i_x_offset - osys->source.i_x_offset;
1031             osys->crop.top    = source.i_y_offset - osys->source.i_y_offset;
1032             /* FIXME for right/bottom we should keep the 'type' border vs window */
1033             osys->crop.right  = (source.i_x_offset + source.i_visible_width) -
1034                                 (osys->source.i_x_offset + osys->source.i_visible_width);
1035             osys->crop.bottom = (source.i_y_offset + source.i_visible_height) -
1036                                 (osys->source.i_y_offset + osys->source.i_visible_height);
1037             osys->crop.num    = crop_num;
1038             osys->crop.den    = crop_den;
1039             osys->ch_crop = false;
1040
1041             vout_SendEventSourceCrop(osys->vout,
1042                                      osys->crop.num, osys->crop.den,
1043                                      osys->crop.left, osys->crop.top,
1044                                      -osys->crop.right, -osys->crop.bottom);
1045         }
1046
1047         /* */
1048         if (reset_pictures) {
1049             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
1050                 /* FIXME what to do here ? */
1051                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
1052             }
1053             reset_render = true;
1054         }
1055     }
1056     if (reset_render)
1057         VoutDisplayResetRender(vd);
1058
1059     return reset_render;
1060 }
1061
1062 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
1063 {
1064     vout_display_owner_sys_t *osys = vd->owner.sys;
1065
1066     vlc_mutex_lock(&osys->lock);
1067     const bool reset_pictures = osys->reset_pictures;
1068     vlc_mutex_unlock(&osys->lock);
1069
1070     return reset_pictures;
1071 }
1072
1073 bool vout_IsDisplayFiltered(vout_display_t *vd)
1074 {
1075     vout_display_owner_sys_t *osys = vd->owner.sys;
1076
1077     return osys->filters != NULL;
1078 }
1079
1080 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
1081 {
1082     vout_display_owner_sys_t *osys = vd->owner.sys;
1083
1084     assert(osys->filters);
1085     if (filter_chain_GetLength(osys->filters) <= 0) {
1086         picture_Release(picture);
1087         return NULL;
1088     }
1089     return filter_chain_VideoFilter(osys->filters, picture);
1090 }
1091
1092 void vout_UpdateDisplaySourceProperties(vout_display_t *vd, const video_format_t *source)
1093 {
1094     vout_display_owner_sys_t *osys = vd->owner.sys;
1095
1096     if (source->i_sar_num * osys->source.i_sar_den !=
1097         source->i_sar_den * osys->source.i_sar_num) {
1098
1099         osys->source.i_sar_num = source->i_sar_num;
1100         osys->source.i_sar_den = source->i_sar_den;
1101         vlc_ureduce(&osys->source.i_sar_num, &osys->source.i_sar_den,
1102                     osys->source.i_sar_num, osys->source.i_sar_den, 0);
1103
1104         /* FIXME it will override any AR that the user would have forced */
1105         osys->ch_sar = true;
1106         osys->sar.num = osys->source.i_sar_num;
1107         osys->sar.den = osys->source.i_sar_den;
1108     }
1109     if (source->i_x_offset       != osys->source.i_x_offset ||
1110         source->i_y_offset       != osys->source.i_y_offset ||
1111         source->i_visible_width  != osys->source.i_visible_width ||
1112         source->i_visible_height != osys->source.i_visible_height) {
1113
1114         video_format_CopyCrop(&osys->source, source);
1115
1116         /* Force the vout to reapply the current user crop settings over the new decoder
1117          * crop settings. */
1118         osys->ch_crop = true;
1119     }
1120 }
1121
1122 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
1123 {
1124     vout_display_owner_sys_t *osys = vd->owner.sys;
1125
1126     vlc_mutex_lock(&osys->lock);
1127     if (!osys->is_fullscreen != !is_fullscreen) {
1128         osys->ch_fullscreen = true;
1129         osys->is_fullscreen = is_fullscreen;
1130     }
1131     vlc_mutex_unlock(&osys->lock);
1132 }
1133
1134 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
1135 {
1136     vout_display_owner_sys_t *osys = vd->owner.sys;
1137
1138     if (!osys->is_display_filled != !is_filled) {
1139         osys->ch_display_filled = true;
1140         osys->is_display_filled = is_filled;
1141     }
1142 }
1143
1144 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1145 {
1146     vout_display_owner_sys_t *osys = vd->owner.sys;
1147
1148     if (num > 0 && den > 0) {
1149         vlc_ureduce(&num, &den, num, den, 0);
1150     } else {
1151         num = 1;
1152         den = 1;
1153     }
1154
1155     if (osys->is_display_filled ||
1156         osys->zoom.num != num || osys->zoom.den != den) {
1157         osys->ch_zoom = true;
1158         osys->zoom.num = num;
1159         osys->zoom.den = den;
1160     }
1161 }
1162
1163 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1164 {
1165     vout_display_owner_sys_t *osys = vd->owner.sys;
1166
1167     vlc_mutex_lock(&osys->lock);
1168     if (osys->wm_state != state) {
1169         osys->ch_wm_state = true;
1170         osys->wm_state = state;
1171     }
1172     vlc_mutex_unlock(&osys->lock);
1173 }
1174
1175 void vout_SetDisplayAspect(vout_display_t *vd, unsigned dar_num, unsigned dar_den)
1176 {
1177     vout_display_owner_sys_t *osys = vd->owner.sys;
1178
1179     unsigned sar_num, sar_den;
1180     if (dar_num > 0 && dar_den > 0) {
1181         sar_num = dar_num * osys->source.i_visible_height;
1182         sar_den = dar_den * osys->source.i_visible_width;
1183         vlc_ureduce(&sar_num, &sar_den, sar_num, sar_den, 0);
1184     } else {
1185         /* Assume 1:1 SAR if the information is missing */
1186         sar_num = 1;
1187         sar_den = 1;
1188     }
1189
1190     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1191         osys->ch_sar = true;
1192         osys->sar.num = sar_num;
1193         osys->sar.den = sar_den;
1194     }
1195 }
1196 void vout_SetDisplayCrop(vout_display_t *vd,
1197                          unsigned crop_num, unsigned crop_den,
1198                          unsigned left, unsigned top, int right, int bottom)
1199 {
1200     vout_display_owner_sys_t *osys = vd->owner.sys;
1201
1202     if (osys->crop.left  != (int)left  || osys->crop.top != (int)top ||
1203         osys->crop.right != right || osys->crop.bottom != bottom ||
1204         (crop_num > 0 && crop_den > 0 &&
1205          (crop_num != osys->crop.num || crop_den != osys->crop.den))) {
1206
1207         osys->crop.left   = left;
1208         osys->crop.top    = top;
1209         osys->crop.right  = right;
1210         osys->crop.bottom = bottom;
1211         osys->crop.num    = crop_num;
1212         osys->crop.den    = crop_den;
1213
1214         osys->ch_crop = true;
1215     }
1216 }
1217
1218 struct vlc_gl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1219 {
1220     struct vlc_gl_t *gl;
1221     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1222         return NULL;
1223     return gl;
1224 }
1225
1226 static vout_display_t *DisplayNew(vout_thread_t *vout,
1227                                   const video_format_t *source,
1228                                   const vout_display_state_t *state,
1229                                   const char *module,
1230                                   bool is_wrapper, vout_display_t *wrapper,
1231                                   mtime_t double_click_timeout,
1232                                   mtime_t hide_timeout,
1233                                   const vout_display_owner_t *owner_ptr)
1234 {
1235     /* */
1236     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1237     vout_display_cfg_t *cfg = &osys->cfg;
1238
1239     *cfg = state->cfg;
1240     osys->wm_state_initial = -1;
1241     osys->sar_initial.num = state->sar.num;
1242     osys->sar_initial.den = state->sar.den;
1243     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1244                                        source, cfg);
1245
1246     osys->vout = vout;
1247     osys->is_wrapper = is_wrapper;
1248     osys->wrapper = wrapper;
1249
1250     vlc_mutex_init(&osys->lock);
1251
1252     vlc_mouse_Init(&osys->mouse.state);
1253     osys->mouse.last_moved = mdate();
1254     osys->mouse.double_click_timeout = double_click_timeout;
1255     osys->mouse.hide_timeout = hide_timeout;
1256     osys->is_fullscreen  = cfg->is_fullscreen;
1257     osys->display_width  = cfg->display.width;
1258     osys->display_height = cfg->display.height;
1259     osys->is_display_filled = cfg->is_display_filled;
1260     osys->width_saved    = cfg->display.width;
1261     osys->height_saved   = cfg->display.height;
1262     if (osys->is_fullscreen) {
1263         vout_display_cfg_t cfg_windowed = *cfg;
1264         cfg_windowed.is_fullscreen  = false;
1265         cfg_windowed.display.width  = 0;
1266         cfg_windowed.display.height = 0;
1267         vout_display_GetDefaultDisplaySize(&osys->width_saved,
1268                                            &osys->height_saved,
1269                                            source, &cfg_windowed);
1270     }
1271     osys->zoom.num = cfg->zoom.num;
1272     osys->zoom.den = cfg->zoom.den;
1273     osys->wm_state = state->wm_state;
1274     osys->fit_window = 0;
1275     osys->event.fifo = NULL;
1276
1277     osys->source = *source;
1278     osys->crop.left   = 0;
1279     osys->crop.top    = 0;
1280     osys->crop.right  = 0;
1281     osys->crop.bottom = 0;
1282     osys->crop_saved.num = 0;
1283     osys->crop_saved.den = 0;
1284     osys->crop.num = 0;
1285     osys->crop.den = 0;
1286
1287     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source->i_sar_num;
1288     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source->i_sar_den;
1289 #ifdef ALLOW_DUMMY_VOUT
1290     vlc_mouse_Init(&osys->vout_mouse);
1291 #endif
1292
1293     vout_display_owner_t owner;
1294     if (owner_ptr) {
1295         owner = *owner_ptr;
1296     } else {
1297         owner.event      = VoutDisplayEvent;
1298         owner.window_new = VoutDisplayNewWindow;
1299         owner.window_del = VoutDisplayDelWindow;
1300     }
1301     owner.sys = osys;
1302
1303     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1304                                                  module, !is_wrapper,
1305                                                  source, cfg, &owner);
1306     if (!p_display) {
1307         free(osys);
1308         return NULL;
1309     }
1310
1311     VoutDisplayCreateRender(p_display);
1312
1313     /* Setup delayed request */
1314     if (osys->sar.num != source->i_sar_num ||
1315         osys->sar.den != source->i_sar_den)
1316         osys->ch_sar = true;
1317     if (osys->wm_state != osys->wm_state_initial)
1318         osys->ch_wm_state = true;
1319
1320     return p_display;
1321 }
1322
1323 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1324 {
1325     vout_display_owner_sys_t *osys = vd->owner.sys;
1326
1327     if (state) {
1328         if (!osys->is_wrapper )
1329             state->cfg = osys->cfg;
1330         state->wm_state = osys->wm_state;
1331         state->sar.num  = osys->sar_initial.num;
1332         state->sar.den  = osys->sar_initial.den;
1333     }
1334
1335     VoutDisplayDestroyRender(vd);
1336     if (osys->is_wrapper)
1337         SplitterClose(vd);
1338     vout_display_Delete(vd);
1339     if (osys->event.fifo) {
1340         vlc_cancel(osys->event.thread);
1341         vlc_join(osys->event.thread, NULL);
1342         block_FifoRelease(osys->event.fifo);
1343     }
1344     vlc_mutex_destroy(&osys->lock);
1345     free(osys);
1346 }
1347
1348 /*****************************************************************************
1349  *
1350  *****************************************************************************/
1351 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1352                                 const video_format_t *source,
1353                                 const vout_display_state_t *state,
1354                                 const char *module,
1355                                 mtime_t double_click_timeout,
1356                                 mtime_t hide_timeout)
1357 {
1358     return DisplayNew(vout, source, state, module, false, NULL,
1359                       double_click_timeout, hide_timeout, NULL);
1360 }
1361
1362 /*****************************************************************************
1363  *
1364  *****************************************************************************/
1365 struct vout_display_sys_t {
1366     picture_pool_t   *pool;
1367     video_splitter_t *splitter;
1368
1369     /* */
1370     int            count;
1371     picture_t      **picture;
1372     vout_display_t **display;
1373 };
1374 struct video_splitter_owner_t {
1375     vout_display_t *wrapper;
1376 };
1377
1378 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1379 {
1380     vout_display_owner_sys_t *osys = vd->owner.sys;
1381
1382     vout_window_cfg_t cfg = *cfg_ptr;
1383     cfg.is_standalone = true;
1384     cfg.x += 0;//output->window.i_x; FIXME
1385     cfg.y += 0;//output->window.i_y;
1386
1387     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1388 }
1389 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1390 {
1391     vout_display_owner_sys_t *osys = vd->owner.sys;
1392
1393     vout_DeleteDisplayWindow(osys->vout, vd, window);
1394 }
1395 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1396 {
1397     //vout_display_owner_sys_t *osys = vd->owner.sys;
1398
1399     switch (event) {
1400 #if 0
1401     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1402     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1403     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1404     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1405         /* TODO */
1406         break;
1407 #endif
1408     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1409     case VOUT_DISPLAY_EVENT_KEY:
1410     case VOUT_DISPLAY_EVENT_CLOSE:
1411     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1412     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1413     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1414         VoutDisplayEvent(vd, event, args);
1415         break;
1416
1417     default:
1418         msg_Err(vd, "splitter event not implemented: %d", event);
1419         break;
1420     }
1421 }
1422
1423 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1424 {
1425     vout_display_sys_t *sys = vd->sys;
1426     if (!sys->pool)
1427         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1428     return sys->pool;
1429 }
1430 static void SplitterPrepare(vout_display_t *vd,
1431                             picture_t *picture,
1432                             subpicture_t *subpicture)
1433 {
1434     vout_display_sys_t *sys = vd->sys;
1435
1436     picture_Hold(picture);
1437     assert(!subpicture);
1438
1439     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1440         for (int i = 0; i < sys->count; i++)
1441             sys->picture[i] = NULL;
1442         picture_Release(picture);
1443         return;
1444     }
1445
1446     for (int i = 0; i < sys->count; i++) {
1447         if (vout_IsDisplayFiltered(sys->display[i]))
1448             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1449         if (sys->picture[i])
1450             vout_display_Prepare(sys->display[i], sys->picture[i], NULL);
1451     }
1452 }
1453 static void SplitterDisplay(vout_display_t *vd,
1454                             picture_t *picture,
1455                             subpicture_t *subpicture)
1456 {
1457     vout_display_sys_t *sys = vd->sys;
1458
1459     assert(!subpicture);
1460     for (int i = 0; i < sys->count; i++) {
1461         if (sys->picture[i])
1462             vout_display_Display(sys->display[i], sys->picture[i], NULL);
1463     }
1464     picture_Release(picture);
1465 }
1466 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1467 {
1468     (void)vd; (void)query; (void)args;
1469     return VLC_EGENERIC;
1470 }
1471 static void SplitterManage(vout_display_t *vd)
1472 {
1473     vout_display_sys_t *sys = vd->sys;
1474
1475     for (int i = 0; i < sys->count; i++)
1476         vout_ManageDisplay(sys->display[i], true);
1477 }
1478
1479 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1480 {
1481     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1482
1483     for (int i = 0; i < wsys->count; i++) {
1484         if (vout_IsDisplayFiltered(wsys->display[i])) {
1485             /* TODO use a pool ? */
1486             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1487         } else {
1488             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1489             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1490         }
1491         if (!picture[i]) {
1492             for (int j = 0; j < i; j++)
1493                 picture_Release(picture[j]);
1494             return VLC_EGENERIC;
1495         }
1496     }
1497     return VLC_SUCCESS;
1498 }
1499 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1500 {
1501     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1502
1503     for (int i = 0; i < wsys->count; i++)
1504         picture_Release(picture[i]);
1505 }
1506 static void SplitterClose(vout_display_t *vd)
1507 {
1508     vout_display_sys_t *sys = vd->sys;
1509
1510     /* */
1511     video_splitter_t *splitter = sys->splitter;
1512     free(splitter->p_owner);
1513     video_splitter_Delete(splitter);
1514
1515     if (sys->pool)
1516         picture_pool_Delete(sys->pool);
1517
1518     /* */
1519     for (int i = 0; i < sys->count; i++)
1520         vout_DeleteDisplay(sys->display[i], NULL);
1521     TAB_CLEAN(sys->count, sys->display);
1522     free(sys->picture);
1523
1524     free(sys);
1525 }
1526
1527 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1528                                  const video_format_t *source,
1529                                  const vout_display_state_t *state,
1530                                  const char *module,
1531                                  const char *splitter_module,
1532                                  mtime_t double_click_timeout,
1533                                  mtime_t hide_timeout)
1534 {
1535     video_splitter_t *splitter =
1536         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1537     if (!splitter)
1538         return NULL;
1539
1540     /* */
1541     vout_display_t *wrapper =
1542         DisplayNew(vout, source, state, module, true, NULL,
1543                     double_click_timeout, hide_timeout, NULL);
1544     if (!wrapper) {
1545         video_splitter_Delete(splitter);
1546         return NULL;
1547     }
1548     vout_display_sys_t *sys = malloc(sizeof(*sys));
1549     if (!sys)
1550         abort();
1551     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1552     if (!sys->picture )
1553         abort();
1554     sys->splitter = splitter;
1555     sys->pool     = NULL;
1556
1557     wrapper->pool    = SplitterPool;
1558     wrapper->prepare = SplitterPrepare;
1559     wrapper->display = SplitterDisplay;
1560     wrapper->control = SplitterControl;
1561     wrapper->manage  = SplitterManage;
1562     wrapper->sys     = sys;
1563
1564     /* */
1565     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1566     if (!owner)
1567         abort();
1568     owner->wrapper = wrapper;
1569     splitter->p_owner = owner;
1570     splitter->pf_picture_new = SplitterPictureNew;
1571     splitter->pf_picture_del = SplitterPictureDel;
1572
1573     /* */
1574     TAB_INIT(sys->count, sys->display);
1575     for (int i = 0; i < splitter->i_output; i++) {
1576         vout_display_owner_t owner;
1577
1578         owner.event      = SplitterEvent;
1579         owner.window_new = SplitterNewWindow;
1580         owner.window_del = SplitterDelWindow;
1581
1582         const video_splitter_output_t *output = &splitter->p_output[i];
1583         vout_display_state_t ostate;
1584
1585         memset(&ostate, 0, sizeof(ostate));
1586         ostate.cfg.is_fullscreen = false;
1587         ostate.cfg.display = state->cfg.display;
1588         ostate.cfg.align.horizontal = 0; /* TODO */
1589         ostate.cfg.align.vertical = 0; /* TODO */
1590         ostate.cfg.is_display_filled = true;
1591         ostate.cfg.zoom.num = 1;
1592         ostate.cfg.zoom.den = 1;
1593
1594         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1595                                            output->psz_module ? output->psz_module : module,
1596                                            false, wrapper,
1597                                            double_click_timeout, hide_timeout, &owner);
1598         if (!vd) {
1599             vout_DeleteDisplay(wrapper, NULL);
1600             return NULL;
1601         }
1602         TAB_APPEND(sys->count, sys->display, vd);
1603     }
1604
1605     return wrapper;
1606 }
1607
1608 /*****************************************************************************
1609  * TODO move out
1610  *****************************************************************************/
1611 #include "vout_internal.h"
1612 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1613 {
1614     vlc_mouse_t tmp1, tmp2;
1615
1616     /* The check on spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1617     if (vout->p->spu && spu_ProcessMouse( vout->p->spu, m, &vout->p->display.vd->source))
1618         return;
1619
1620     vlc_mutex_lock( &vout->p->filter.lock );
1621     if (vout->p->filter.chain_static && vout->p->filter.chain_interactive) {
1622         if (!filter_chain_MouseFilter(vout->p->filter.chain_interactive, &tmp1, m))
1623             m = &tmp1;
1624         if (!filter_chain_MouseFilter(vout->p->filter.chain_static,      &tmp2, m))
1625             m = &tmp2;
1626     }
1627     vlc_mutex_unlock( &vout->p->filter.lock );
1628
1629     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1630         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1631     }
1632     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1633         for (unsigned button = 0; button < MOUSE_BUTTON_MAX; button++) {
1634             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1635                 vout_SendEventMousePressed(vout, button);
1636             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1637                 vout_SendEventMouseReleased(vout, button);
1638         }
1639     }
1640     if (m->b_double_click)
1641         vout_SendEventMouseDoubleClick(vout);
1642     vout->p->mouse = *m;
1643 }
1644 #ifdef ALLOW_DUMMY_VOUT
1645 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1646 {
1647     vout_thread_sys_t p;
1648
1649     if (!vout->p) {
1650         p.mouse = *fallback;
1651         vlc_mutex_init(&p.filter.lock);
1652         p.filter.chain_static = NULL;
1653         p.filter.chain_interactive = NULL;
1654         p.spu = NULL;
1655         vout->p = &p;
1656     }
1657     vout_SendDisplayEventMouse(vout, m);
1658     if (vout->p == &p) {
1659         vlc_mutex_destroy(&p.filter.lock);
1660         *fallback = p.mouse;
1661         vout->p = NULL;
1662     }
1663 }
1664 #endif
1665