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 #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),
 104                                            VLC_OBJECT_GENERIC, "vout display");
 105
 106     /* */
 107     video_format_Copy(&vd->source, fmt);
 108
 109     /* Picture buffer does not have the concept of aspect ratio */
 110     video_format_Copy(&vd->fmt, fmt);
 111     vd->fmt.i_sar_num = 0;
 112     vd->fmt.i_sar_den = 0;
 113
 114     vd->info.is_slow = false;
 115     vd->info.has_double_click = false;
 116     vd->info.has_hide_mouse = false;
 117     vd->info.has_pictures_invalid = false;
 118     vd->info.has_event_thread = false;
 119     vd->info.subpicture_chromas = NULL;
 120
 121     vd->cfg = cfg;
 122     vd->pool = NULL;
 123     vd->prepare = NULL;
 124     vd->display = NULL;
 125     vd->control = NULL;
 126     vd->manage = NULL;
 127     vd->sys = NULL;
 128
 129     vd->owner = *owner;
 130
 131     if (load_module) {
 132         vd->module = module_need(vd, "vout display", module, module && *module != '\0');
 133         if (!vd->module) {
 134             vlc_object_release(vd);
 135             return NULL;
 136         }
 137     } else {
 138         vd->module = NULL;
 139     }
 140     return vd;
 141 }
 142
 143 /**
 144  * It deletes a vout_display_t
 145  */
 146 static void vout_display_Delete(vout_display_t *vd)
 147 {
 148     if (vd->module)
 149         module_unneed(vd, vd->module);
 150
 151     vlc_object_release(vd);
 152 }
 153
 154 /**
 155  * It controls a vout_display_t
 156  */
 157 static int vout_display_Control(vout_display_t *vd, int query, ...)
 158 {
 159     va_list args;
 160     int result;
 161
 162     va_start(args, query);
 163     result = vd->control(vd, query, args);
 164     va_end(args);
 165
 166     return result;
 167 }
 168
 169 static void vout_display_Manage(vout_display_t *vd)
 170 {
 171     if (vd->manage)
 172         vd->manage(vd);
 173 }
 174
 175 /* */
 176 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 177                                         const video_format_t *source,
 178                                         const vout_display_cfg_t *cfg)
 179 {
 180     if (cfg->display.width > 0 && cfg->display.height > 0) {
 181         *width  = cfg->display.width;
 182         *height = cfg->display.height;
 183     } else if (cfg->display.width > 0) {
 184         *width  = cfg->display.width;
 185         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 186             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 187     } else if (cfg->display.height > 0) {
 188         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 189             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 190         *height = cfg->display.height;
 191     } else if (source->i_sar_num >= source->i_sar_den) {
 192         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 193         *height = source->i_visible_height;
 194     } else {
 195         *width  = source->i_visible_width;
 196         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 197     }
 198
 199     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 200     *height = *height * cfg->zoom.num / cfg->zoom.den;
 201 }
 202
 203 /* */
 204 void vout_display_PlacePicture(vout_display_place_t *place,
 205                                const video_format_t *source,
 206                                const vout_display_cfg_t *cfg,
 207                                bool do_clipping)
 208 {
 209     /* */
 210     memset(place, 0, sizeof(*place));
 211     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 212         return;
 213
 214     /* */
 215     unsigned display_width;
 216     unsigned display_height;
 217
 218     if (cfg->is_display_filled) {
 219         display_width  = cfg->display.width;
 220         display_height = cfg->display.height;
 221     } else {
 222         vout_display_cfg_t cfg_tmp = *cfg;
 223
 224         cfg_tmp.display.width  = 0;
 225         cfg_tmp.display.height = 0;
 226         vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 227                                            source, &cfg_tmp);
 228
 229         if (do_clipping) {
 230             display_width  = __MIN(display_width,  cfg->display.width);
 231             display_height = __MIN(display_height, cfg->display.height);
 232         }
 233     }
 234
 235     const unsigned width  = source->i_visible_width;
 236     const unsigned height = source->i_visible_height;
 237     /* Compute the height if we use the width to fill up display_width */
 238     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;
 239     /* And the same but switching width/height */
 240     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;
 241
 242     /* We keep the solution that avoid filling outside the display */
 243     if (scaled_width <= cfg->display.width) {
 244         place->width  = scaled_width;
 245         place->height = display_height;
 246     } else {
 247         place->width  = display_width;
 248         place->height = scaled_height;
 249     }
 250
 251     /*  Compute position */
 252     switch (cfg->align.horizontal) {
 253     case VOUT_DISPLAY_ALIGN_LEFT:
 254         place->x = 0;
 255         break;
 256     case VOUT_DISPLAY_ALIGN_RIGHT:
 257         place->x = cfg->display.width - place->width;
 258         break;
 259     default:
 260         place->x = ((int)cfg->display.width - (int)place->width) / 2;
 261         break;
 262     }
 263
 264     switch (cfg->align.vertical) {
 265     case VOUT_DISPLAY_ALIGN_TOP:
 266         place->y = 0;
 267         break;
 268     case VOUT_DISPLAY_ALIGN_BOTTOM:
 269         place->y = cfg->display.height - place->height;
 270         break;
 271     default:
 272         place->y = ((int)cfg->display.height - (int)place->height) / 2;
 273         break;
 274     }
 275 }
 276
 277 struct vout_display_owner_sys_t {
 278     vout_thread_t   *vout;
 279     bool            is_wrapper;  /* Is the current display a wrapper */
 280     vout_display_t  *wrapper; /* Vout display wrapper */
 281
 282     /* */
 283     vout_display_cfg_t cfg;
 284     unsigned     wm_state_initial;
 285     struct {
 286         unsigned num;
 287         unsigned den;
 288     } sar_initial;
 289
 290     /* */
 291     unsigned width_saved;
 292     unsigned height_saved;
 293
 294     struct {
 295         unsigned num;
 296         unsigned den;
 297     } crop_saved;
 298
 299     /* */
 300     bool ch_display_filled;
 301     bool is_display_filled;
 302
 303     bool ch_zoom;
 304     struct {
 305         int  num;
 306         int  den;
 307     } zoom;
 308
 309     bool ch_wm_state;
 310     unsigned wm_state;
 311
 312     bool ch_sar;
 313     struct {
 314         unsigned num;
 315         unsigned den;
 316     } sar;
 317
 318     bool ch_crop;
 319     struct {
 320         int      left;
 321         int      top;
 322         int      right;
 323         int      bottom;
 324         unsigned num;
 325         unsigned den;
 326     } crop;
 327
 328     /* */
 329     video_format_t source;
 330     filter_chain_t *filters;
 331
 332     /* Lock protecting the variables used by
 333      * VoutDisplayEvent(ie vout_display_SendEvent) */
 334     vlc_mutex_t lock;
 335
 336     /* mouse state */
 337     struct {
 338         vlc_mouse_t state;
 339
 340         mtime_t last_pressed;
 341         mtime_t last_moved;
 342         bool    is_hidden;
 343         bool    ch_activity;
 344
 345         /* */
 346         mtime_t double_click_timeout;
 347         mtime_t hide_timeout;
 348     } mouse;
 349
 350     bool reset_pictures;
 351
 352     bool ch_fullscreen;
 353     bool is_fullscreen;
 354
 355     bool ch_display_size;
 356     int  display_width;
 357     int  display_height;
 358     bool display_is_fullscreen;
 359     bool display_is_forced;
 360
 361     int  fit_window;
 362
 363     struct {
 364         vlc_thread_t thread;
 365         block_fifo_t *fifo;
 366     } event;
 367
 368 #ifdef ALLOW_DUMMY_VOUT
 369     vlc_mouse_t vout_mouse;
 370 #endif
 371 };
 372
 373 static void DummyVoutSendDisplayEventMouse(vout_thread_t *, vlc_mouse_t *fallback, const vlc_mouse_t *m);
 374
 375 static void VoutDisplayCreateRender(vout_display_t *vd)
 376 {
 377     vout_display_owner_sys_t *osys = vd->owner.sys;
 378
 379     osys->filters = NULL;
 380
 381     video_format_t v_src = vd->source;
 382     v_src.i_sar_num = 0;
 383     v_src.i_sar_den = 0;
 384
 385     video_format_t v_dst = vd->fmt;
 386     v_dst.i_sar_num = 0;
 387     v_dst.i_sar_den = 0;
 388
 389     video_format_t v_dst_cmp = v_dst;
 390     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 391         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 392         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 393         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 394         v_dst_cmp.i_chroma = v_src.i_chroma;
 395
 396     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 397     if (!convert)
 398         return;
 399
 400     msg_Dbg(vd, "A filter to adapt decoder to display is needed");
 401
 402     osys->filters = filter_chain_New(vd, "video filter2", false,
 403                                      FilterAllocationInit,
 404                                      FilterAllocationClean, vd);
 405     assert(osys->filters); /* TODO critical */
 406
 407     /* */
 408     es_format_t src;
 409     es_format_InitFromVideo(&src, &v_src);
 410
 411     /* */
 412     es_format_t dst;
 413
 414     filter_t *filter;
 415     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 416
 417         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 418
 419         filter_chain_Reset(osys->filters, &src, &dst);
 420         filter = filter_chain_AppendFilter(osys->filters,
 421                                            NULL, NULL, &src, &dst);
 422         if (filter)
 423             break;
 424     }
 425     if (!filter)
 426         msg_Err(vd, "Failed to adapt decoder format to display");
 427 }
 428
 429 static void VoutDisplayDestroyRender(vout_display_t *vd)
 430 {
 431     vout_display_owner_sys_t *osys = vd->owner.sys;
 432
 433     if (osys->filters)
 434         filter_chain_Delete(osys->filters);
 435 }
 436
 437 static void VoutDisplayResetRender(vout_display_t *vd)
 438 {
 439     VoutDisplayDestroyRender(vd);
 440     VoutDisplayCreateRender(vd);
 441 }
 442 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 443 {
 444     vout_display_owner_sys_t *osys = vd->owner.sys;
 445
 446     vlc_mutex_lock(&osys->lock);
 447
 448     /* */
 449     vlc_mouse_t m = osys->mouse.state;
 450     bool is_ignored = false;
 451
 452     switch (event) {
 453     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 454         const int x = (int)va_arg(args, int);
 455         const int y = (int)va_arg(args, int);
 456         const int button_mask = (int)va_arg(args, int);
 457
 458         vlc_mouse_Init(&m);
 459         m.i_x = x;
 460         m.i_y = y;
 461         m.i_pressed = button_mask;
 462         break;
 463     }
 464     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 465         const int x = (int)va_arg(args, int);
 466         const int y = (int)va_arg(args, int);
 467
 468         //msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 469
 470         m.i_x = x;
 471         m.i_y = y;
 472         m.b_double_click = false;
 473         break;
 474     }
 475     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 476     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 477         const int button = (int)va_arg(args, int);
 478         const int button_mask = 1 << button;
 479
 480         /* Ignore inconsistent event */
 481         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 482             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 483             is_ignored = true;
 484             break;
 485         }
 486
 487         /* */
 488         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 489
 490         m.b_double_click = false;
 491         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 492             m.i_pressed |= button_mask;
 493         else
 494             m.i_pressed &= ~button_mask;
 495         break;
 496     }
 497     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 498         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 499
 500         m.b_double_click = true;
 501         break;
 502     default:
 503         assert(0);
 504     }
 505
 506     if (is_ignored) {
 507         vlc_mutex_unlock(&osys->lock);
 508         return;
 509     }
 510
 511     /* Emulate double-click if needed */
 512     if (!vd->info.has_double_click &&
 513         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 514         const mtime_t i_date = mdate();
 515
 516         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 517             m.b_double_click = true;
 518             osys->mouse.last_pressed = 0;
 519         } else {
 520             osys->mouse.last_pressed = mdate();
 521         }
 522     }
 523
 524     /* */
 525     osys->mouse.state = m;
 526
 527     /* */
 528     osys->mouse.ch_activity = true;
 529     if (!vd->info.has_hide_mouse)
 530         osys->mouse.last_moved = mdate();
 531
 532     /* */
 533     vout_SendEventMouseVisible(osys->vout);
 534 #ifdef ALLOW_DUMMY_VOUT
 535     DummyVoutSendDisplayEventMouse(osys->vout, &osys->vout_mouse, &m);
 536 #else
 537     vout_SendDisplayEventMouse(osys->vout, &m);
 538 #endif
 539     vlc_mutex_unlock(&osys->lock);
 540 }
 541
 542 #ifdef __GNUC__
 543 static void *VoutDisplayEventKeyDispatch(void *data) __attribute__((noreturn));
 544 #endif
 545 static void *VoutDisplayEventKeyDispatch(void *data)
 546 {
 547     vout_display_owner_sys_t *osys = data;
 548
 549     for (;;) {
 550         block_t *event = block_FifoGet(osys->event.fifo);
 551
 552         int cancel = vlc_savecancel();
 553
 554         int key;
 555         memcpy(&key, event->p_buffer, sizeof(key));
 556         vout_SendEventKey(osys->vout, key);
 557         block_Release(event);
 558
 559         vlc_restorecancel(cancel);
 560     }
 561 }
 562
 563 static void VoutDisplayEventKey(vout_display_t *vd, int key)
 564 {
 565     vout_display_owner_sys_t *osys = vd->owner.sys;
 566
 567     if (!osys->event.fifo) {
 568         osys->event.fifo = block_FifoNew();
 569         if (!osys->event.fifo)
 570             return;
 571         if (vlc_clone(&osys->event.thread, VoutDisplayEventKeyDispatch,
 572                       osys, VLC_THREAD_PRIORITY_LOW)) {
 573             block_FifoRelease(osys->event.fifo);
 574             osys->event.fifo = NULL;
 575             return;
 576         }
 577     }
 578     block_t *event = block_Alloc(sizeof(key));
 579     if (event) {
 580         memcpy(event->p_buffer, &key, sizeof(key));
 581         block_FifoPut(osys->event.fifo, event);
 582     }
 583 }
 584
 585 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 586 {
 587     vout_display_owner_sys_t *osys = vd->owner.sys;
 588
 589     switch (event) {
 590     case VOUT_DISPLAY_EVENT_CLOSE: {
 591         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 592         vout_SendEventClose(osys->vout);
 593         break;
 594     }
 595     case VOUT_DISPLAY_EVENT_KEY: {
 596         const int key = (int)va_arg(args, int);
 597         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 598         if (vd->info.has_event_thread)
 599             vout_SendEventKey(osys->vout, key);
 600         else
 601             VoutDisplayEventKey(vd, key);
 602         break;
 603     }
 604     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 605     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 606     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 607     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 608     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 609         VoutDisplayEventMouse(vd, event, args);
 610         break;
 611
 612     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 613         const int is_fullscreen = (int)va_arg(args, int);
 614
 615         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 616
 617         vlc_mutex_lock(&osys->lock);
 618         if (!is_fullscreen != !osys->is_fullscreen) {
 619             osys->ch_fullscreen = true;
 620             osys->is_fullscreen = is_fullscreen;
 621         }
 622         vlc_mutex_unlock(&osys->lock);
 623         break;
 624     }
 625
 626     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 627         const unsigned state = va_arg(args, unsigned);
 628
 629         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 630
 631         vlc_mutex_lock(&osys->lock);
 632         if (state != osys->wm_state) {
 633             osys->ch_wm_state = true;
 634             osys->wm_state = state;
 635         }
 636         vlc_mutex_unlock(&osys->lock);
 637         break;
 638     }
 639
 640     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 641         const int width  = (int)va_arg(args, int);
 642         const int height = (int)va_arg(args, int);
 643         const bool is_fullscreen = (bool)va_arg(args, int);
 644         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 645                 width, height, is_fullscreen ? "fullscreen" : "window");
 646
 647         /* */
 648         vlc_mutex_lock(&osys->lock);
 649
 650         osys->ch_display_size       = true;
 651         osys->display_width         = width;
 652         osys->display_height        = height;
 653         osys->display_is_fullscreen = is_fullscreen;
 654         osys->display_is_forced     = false;
 655
 656         vlc_mutex_unlock(&osys->lock);
 657         break;
 658     }
 659
 660     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 661         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 662
 663         /* */
 664         assert(vd->info.has_pictures_invalid);
 665
 666         vlc_mutex_lock(&osys->lock);
 667         osys->reset_pictures = true;
 668         vlc_mutex_unlock(&osys->lock);
 669         break;
 670     }
 671     default:
 672         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 673         /* TODO add an assert when all event are handled */
 674         break;
 675     }
 676 }
 677
 678 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 679 {
 680     vout_display_owner_sys_t *osys = vd->owner.sys;
 681
 682 #ifdef ALLOW_DUMMY_VOUT
 683     if (!osys->vout->p) {
 684         vout_window_cfg_t cfg_override = *cfg;
 685
 686         if (!var_InheritBool(osys->vout, "embedded-video"))
 687             cfg_override.is_standalone = true;
 688
 689         return vout_window_New(VLC_OBJECT(osys->vout), "$window", &cfg_override);
 690     }
 691 #endif
 692     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 693 }
 694 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 695 {
 696     vout_display_owner_sys_t *osys = vd->owner.sys;
 697
 698 #ifdef ALLOW_DUMMY_VOUT
 699     if (!osys->vout->p) {
 700         if( window)
 701             vout_window_Delete(window);
 702         return;
 703     }
 704 #endif
 705     vout_DeleteDisplayWindow(osys->vout, vd, window);
 706 }
 707
 708 static void VoutDisplayFitWindow(vout_display_t *vd, bool default_size)
 709 {
 710     vout_display_owner_sys_t *osys = vd->owner.sys;
 711     vout_display_cfg_t cfg = osys->cfg;
 712
 713     if (!cfg.is_display_filled)
 714         return;
 715
 716     cfg.display.width = 0;
 717     if (default_size) {
 718         cfg.display.height = 0;
 719     } else {
 720         cfg.display.height = osys->height_saved;
 721         cfg.zoom.num = 1;
 722         cfg.zoom.den = 1;
 723     }
 724
 725     unsigned display_width;
 726     unsigned display_height;
 727     vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 728                                        &vd->source, &cfg);
 729
 730     vlc_mutex_lock(&osys->lock);
 731
 732     osys->ch_display_size       = true;
 733     osys->display_width         = display_width;
 734     osys->display_height        = display_height;
 735     osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 736     osys->display_is_forced     = true;
 737
 738     vlc_mutex_unlock(&osys->lock);
 739 }
 740
 741 static void VoutDisplayCropRatio(int *left, int *top, int *right, int *bottom,
 742                                  const video_format_t *source,
 743                                  unsigned num, unsigned den)
 744 {
 745     unsigned scaled_width  = (uint64_t)source->i_visible_height * num * source->i_sar_den / den / source->i_sar_num;
 746     unsigned scaled_height = (uint64_t)source->i_visible_width  * den * source->i_sar_num / num / source->i_sar_den;
 747
 748     if (scaled_width < source->i_visible_width) {
 749         *left   = (source->i_visible_width - scaled_width) / 2;
 750         *top    = 0;
 751         *right  = *left + scaled_width;
 752         *bottom = *top  + source->i_visible_height;
 753     } else {
 754         *left   = 0;
 755         *top    = (source->i_visible_height - scaled_height) / 2;
 756         *right  = *left + source->i_visible_width;
 757         *bottom = *top  + scaled_height;
 758     }
 759 }
 760
 761 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 762 {
 763     vout_display_owner_sys_t *osys = vd->owner.sys;
 764
 765     vout_display_Manage(vd);
 766
 767     /* Handle mouse timeout */
 768     const mtime_t date = mdate();
 769     bool  hide_mouse = false;
 770
 771     vlc_mutex_lock(&osys->lock);
 772
 773     if (!osys->mouse.is_hidden &&
 774         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 775         osys->mouse.is_hidden = hide_mouse = true;
 776     } else if (osys->mouse.ch_activity) {
 777         osys->mouse.is_hidden = false;
 778     }
 779     osys->mouse.ch_activity = false;
 780     vlc_mutex_unlock(&osys->lock);
 781
 782     if (hide_mouse) {
 783         if (!vd->info.has_hide_mouse) {
 784             msg_Dbg(vd, "auto hiding mouse");
 785             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 786         }
 787         vout_SendEventMouseHidden(osys->vout);
 788     }
 789
 790     bool reset_render = false;
 791     for (;;) {
 792
 793         vlc_mutex_lock(&osys->lock);
 794
 795         bool ch_fullscreen  = osys->ch_fullscreen;
 796         bool is_fullscreen  = osys->is_fullscreen;
 797         osys->ch_fullscreen = false;
 798
 799         bool ch_wm_state  = osys->ch_wm_state;
 800         unsigned wm_state  = osys->wm_state;
 801         osys->ch_wm_state = false;
 802
 803         bool ch_display_size       = osys->ch_display_size;
 804         int  display_width         = osys->display_width;
 805         int  display_height        = osys->display_height;
 806         bool display_is_fullscreen = osys->display_is_fullscreen;
 807         bool display_is_forced     = osys->display_is_forced;
 808         osys->ch_display_size = false;
 809
 810         bool reset_pictures;
 811         if (allow_reset_pictures) {
 812             reset_pictures = osys->reset_pictures;
 813             osys->reset_pictures = false;
 814         } else {
 815             reset_pictures = false;
 816         }
 817
 818         vlc_mutex_unlock(&osys->lock);
 819
 820         if (!ch_fullscreen &&
 821             !ch_display_size &&
 822             !reset_pictures &&
 823             !osys->ch_display_filled &&
 824             !osys->ch_zoom &&
 825             !ch_wm_state &&
 826             !osys->ch_sar &&
 827             !osys->ch_crop) {
 828
 829             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 830                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 831                 osys->fit_window = 0;
 832                 continue;
 833             }
 834             break;
 835         }
 836
 837         /* */
 838         if (ch_fullscreen) {
 839             vout_display_cfg_t cfg = osys->cfg;
 840
 841             cfg.is_fullscreen  = is_fullscreen;
 842             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 843             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 844
 845             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 846                 msg_Err(vd, "Failed to set fullscreen");
 847                 is_fullscreen = osys->cfg.is_fullscreen;
 848             } else if (!is_fullscreen) {
 849                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, true);
 850             }
 851             osys->cfg.is_fullscreen = is_fullscreen;
 852
 853             /* */
 854             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 855         }
 856
 857         /* */
 858         if (ch_display_size) {
 859             vout_display_cfg_t cfg = osys->cfg;
 860             cfg.display.width  = display_width;
 861             cfg.display.height = display_height;
 862
 863             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 864                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 865                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 866                     msg_Err(vd, "Failed to resize display");
 867
 868                 /* We ignore the resized */
 869                 display_width  = osys->cfg.display.width;
 870                 display_height = osys->cfg.display.height;
 871             }
 872             osys->cfg.display.width  = display_width;
 873             osys->cfg.display.height = display_height;
 874
 875             if (!display_is_fullscreen) {
 876                 osys->width_saved  = display_width;
 877                 osys->height_saved = display_height;
 878             }
 879         }
 880         /* */
 881         if (osys->ch_display_filled) {
 882             vout_display_cfg_t cfg = osys->cfg;
 883
 884             cfg.is_display_filled = osys->is_display_filled;
 885
 886             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 887                 msg_Err(vd, "Failed to change display filled state");
 888                 osys->is_display_filled = osys->cfg.is_display_filled;
 889             }
 890             osys->cfg.is_display_filled = osys->is_display_filled;
 891             osys->ch_display_filled = false;
 892
 893             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 894         }
 895         /* */
 896         if (osys->ch_zoom) {
 897             vout_display_cfg_t cfg = osys->cfg;
 898
 899             cfg.zoom.num = osys->zoom.num;
 900             cfg.zoom.den = osys->zoom.den;
 901
 902             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 903                 cfg.zoom.num = 1;
 904                 cfg.zoom.den = 10;
 905             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 906                 cfg.zoom.num = 10;
 907                 cfg.zoom.den = 1;
 908             }
 909
 910             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 911                 msg_Err(vd, "Failed to change zoom");
 912                 osys->zoom.num = osys->cfg.zoom.num;
 913                 osys->zoom.den = osys->cfg.zoom.den;
 914             } else {
 915                 osys->fit_window = -1;
 916             }
 917
 918             osys->cfg.zoom.num = osys->zoom.num;
 919             osys->cfg.zoom.den = osys->zoom.den;
 920             osys->ch_zoom = false;
 921
 922             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 923         }
 924         /* */
 925         if (ch_wm_state) {
 926             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 927                 msg_Err(vd, "Failed to set on top");
 928                 wm_state = osys->wm_state;
 929             }
 930             osys->wm_state_initial = wm_state;
 931
 932             /* */
 933             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 934         }
 935         /* */
 936         if (osys->ch_sar) {
 937             video_format_t source = vd->source;
 938
 939             if (osys->sar.num > 0 && osys->sar.den > 0) {
 940                 source.i_sar_num = osys->sar.num;
 941                 source.i_sar_den = osys->sar.den;
 942             } else {
 943                 source.i_sar_num = osys->source.i_sar_num;
 944                 source.i_sar_den = osys->source.i_sar_den;
 945             }
 946
 947             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 948                 /* There nothing much we can do. The only reason a vout display
 949                  * does not support it is because it need the core to add black border
 950                  * to the video for it.
 951                  * TODO add black borders ?
 952                  */
 953                 msg_Err(vd, "Failed to change source AR");
 954                 source = vd->source;
 955             } else if (!osys->fit_window) {
 956                 osys->fit_window = 1;
 957             }
 958             vd->source = source;
 959             osys->sar.num = source.i_sar_num;
 960             osys->sar.den = source.i_sar_den;
 961             osys->ch_sar  = false;
 962
 963             /* */
 964             if (osys->sar.num == osys->source.i_sar_num &&
 965                 osys->sar.den == osys->source.i_sar_den)
 966             {
 967                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 968             }
 969             else
 970             {
 971                 unsigned dar_num, dar_den;
 972                 vlc_ureduce( &dar_num, &dar_den,
 973                              osys->sar.num * vd->source.i_visible_width,
 974                              osys->sar.den * vd->source.i_visible_height,
 975                              65536);
 976                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 977             }
 978             /* If a crop ratio is requested, recompute the parameters */
 979             if (osys->crop.num > 0 && osys->crop.den > 0)
 980                 osys->ch_crop = true;
 981         }
 982         /* */
 983         if (osys->ch_crop) {
 984             video_format_t source = vd->source;
 985
 986             unsigned crop_num = osys->crop.num;
 987             unsigned crop_den = osys->crop.den;
 988             if (crop_num > 0 && crop_den > 0) {
 989                 video_format_t fmt = osys->source;
 990                 fmt.i_sar_num = source.i_sar_num;
 991                 fmt.i_sar_den = source.i_sar_den;
 992                 VoutDisplayCropRatio(&osys->crop.left,  &osys->crop.top,
 993                                      &osys->crop.right, &osys->crop.bottom,
 994                                      &fmt, crop_num, crop_den);
 995             }
 996             const int right_max  = osys->source.i_x_offset + osys->source.i_visible_width;
 997             const int bottom_max = osys->source.i_y_offset + osys->source.i_visible_height;
 998 #define __CLIP(v, a, b) __MAX(__MIN(v, b), a)
 999             int left   = __CLIP((int)osys->source.i_x_offset + osys->crop.left,
1000                                 0, right_max - 1);
1001             int top    = __CLIP((int)osys->source.i_y_offset + osys->crop.top,
1002                                 0, bottom_max - 1);
1003             int right, bottom;
1004             if (osys->crop.right <= 0)
1005                 right = (int)(osys->source.i_x_offset + osys->source.i_visible_width) + osys->crop.right;
1006             else
1007                 right = (int)osys->source.i_x_offset + osys->crop.right;
1008             right = __CLIP(right, left + 1, right_max);
1009             if (osys->crop.bottom <= 0)
1010                 bottom = (int)(osys->source.i_y_offset + osys->source.i_visible_height) + osys->crop.bottom;
1011             else
1012                 bottom = (int)osys->source.i_y_offset + osys->crop.bottom;
1013             bottom = __CLIP(bottom, top + 1, bottom_max);
1014
1015             source.i_x_offset       = left;
1016             source.i_y_offset       = top;
1017             source.i_visible_width  = right - left;
1018             source.i_visible_height = bottom - top;
1019 #undef __CLIP
1020             video_format_Print(VLC_OBJECT(vd), "SOURCE ", &osys->source);
1021             video_format_Print(VLC_OBJECT(vd), "CROPPED", &source);
1022             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
1023                 msg_Err(vd, "Failed to change source crop TODO implement crop at core");
1024
1025                 source = vd->source;
1026                 crop_num = osys->crop_saved.num;
1027                 crop_den = osys->crop_saved.den;
1028                 /* FIXME implement cropping in the core if not supported by the
1029                  * vout module (easy)
1030                  */
1031             } else if (!osys->fit_window) {
1032                 osys->fit_window = 1;
1033             }
1034             vd->source = source;
1035             osys->crop.left   = source.i_x_offset - osys->source.i_x_offset;
1036             osys->crop.top    = source.i_y_offset - osys->source.i_y_offset;
1037             /* FIXME for right/bottom we should keep the 'type' border vs window */
1038             osys->crop.right  = (source.i_x_offset + source.i_visible_width) -
1039                                 (osys->source.i_x_offset + osys->source.i_visible_width);
1040             osys->crop.bottom = (source.i_y_offset + source.i_visible_height) -
1041                                 (osys->source.i_y_offset + osys->source.i_visible_height);
1042             osys->crop.num    = crop_num;
1043             osys->crop.den    = crop_den;
1044             osys->ch_crop = false;
1045
1046             vout_SendEventSourceCrop(osys->vout,
1047                                      osys->crop.num, osys->crop.den,
1048                                      osys->crop.left, osys->crop.top,
1049                                      -osys->crop.right, -osys->crop.bottom);
1050         }
1051
1052         /* */
1053         if (reset_pictures) {
1054             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
1055                 /* FIXME what to do here ? */
1056                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
1057             }
1058             reset_render = true;
1059         }
1060     }
1061     if (reset_render)
1062         VoutDisplayResetRender(vd);
1063 }
1064
1065 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
1066 {
1067     vout_display_owner_sys_t *osys = vd->owner.sys;
1068
1069     vlc_mutex_lock(&osys->lock);
1070     const bool reset_pictures = osys->reset_pictures;
1071     vlc_mutex_unlock(&osys->lock);
1072
1073     return reset_pictures;
1074 }
1075
1076 bool vout_IsDisplayFiltered(vout_display_t *vd)
1077 {
1078     vout_display_owner_sys_t *osys = vd->owner.sys;
1079
1080     return osys->filters != NULL;
1081 }
1082
1083 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
1084 {
1085     vout_display_owner_sys_t *osys = vd->owner.sys;
1086
1087     assert(osys->filters);
1088     if (filter_chain_GetLength(osys->filters) <= 0) {
1089         picture_Release(picture);
1090         return NULL;
1091     }
1092     return filter_chain_VideoFilter(osys->filters, picture);
1093 }
1094
1095 void vout_UpdateDisplaySourceProperties(vout_display_t *vd, const video_format_t *source)
1096 {
1097     vout_display_owner_sys_t *osys = vd->owner.sys;
1098
1099     if (source->i_sar_num * osys->source.i_sar_den !=
1100         source->i_sar_den * osys->source.i_sar_num) {
1101
1102         osys->source.i_sar_num = source->i_sar_num;
1103         osys->source.i_sar_den = source->i_sar_den;
1104         vlc_ureduce(&osys->source.i_sar_num, &osys->source.i_sar_den,
1105                     osys->source.i_sar_num, osys->source.i_sar_den, 0);
1106
1107         /* FIXME it will override any AR that the user would have forced */
1108         osys->ch_sar = true;
1109         osys->sar.num = osys->source.i_sar_num;
1110         osys->sar.den = osys->source.i_sar_den;
1111     }
1112     if (source->i_x_offset       != osys->source.i_x_offset ||
1113         source->i_y_offset       != osys->source.i_y_offset ||
1114         source->i_visible_width  != osys->source.i_visible_width ||
1115         source->i_visible_height != osys->source.i_visible_height) {
1116
1117         video_format_CopyCrop(&osys->source, source);
1118
1119         /* Force the vout to reapply the current user crop settings over the new decoder
1120          * crop settings. */
1121         osys->ch_crop = true;
1122     }
1123 }
1124
1125 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
1126 {
1127     vout_display_owner_sys_t *osys = vd->owner.sys;
1128
1129     vlc_mutex_lock(&osys->lock);
1130     if (!osys->is_fullscreen != !is_fullscreen) {
1131         osys->ch_fullscreen = true;
1132         osys->is_fullscreen = is_fullscreen;
1133     }
1134     vlc_mutex_unlock(&osys->lock);
1135 }
1136
1137 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
1138 {
1139     vout_display_owner_sys_t *osys = vd->owner.sys;
1140
1141     if (!osys->is_display_filled != !is_filled) {
1142         osys->ch_display_filled = true;
1143         osys->is_display_filled = is_filled;
1144     }
1145 }
1146
1147 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1148 {
1149     vout_display_owner_sys_t *osys = vd->owner.sys;
1150
1151     if (osys->is_display_filled ||
1152         osys->zoom.num != num || osys->zoom.den != den) {
1153         osys->ch_zoom = true;
1154         osys->zoom.num = num;
1155         osys->zoom.den = den;
1156     }
1157 }
1158
1159 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1160 {
1161     vout_display_owner_sys_t *osys = vd->owner.sys;
1162
1163     vlc_mutex_lock(&osys->lock);
1164     if (osys->wm_state != state) {
1165         osys->ch_wm_state = true;
1166         osys->wm_state = state;
1167     }
1168     vlc_mutex_unlock(&osys->lock);
1169 }
1170
1171 void vout_SetDisplayAspect(vout_display_t *vd, unsigned dar_num, unsigned dar_den)
1172 {
1173     vout_display_owner_sys_t *osys = vd->owner.sys;
1174
1175     unsigned sar_num, sar_den;
1176     if (dar_num > 0 && dar_den > 0) {
1177         sar_num = dar_num * osys->source.i_visible_height;
1178         sar_den = dar_den * osys->source.i_visible_width;
1179         vlc_ureduce(&sar_num, &sar_den, sar_num, sar_den, 0);
1180     } else {
1181         sar_num = 0;
1182         sar_den = 0;
1183     }
1184
1185     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1186         osys->ch_sar = true;
1187         osys->sar.num = sar_num;
1188         osys->sar.den = sar_den;
1189     }
1190 }
1191 void vout_SetDisplayCrop(vout_display_t *vd,
1192                          unsigned crop_num, unsigned crop_den,
1193                          unsigned left, unsigned top, int right, int bottom)
1194 {
1195     vout_display_owner_sys_t *osys = vd->owner.sys;
1196
1197     if (osys->crop.left  != (int)left  || osys->crop.top != (int)top ||
1198         osys->crop.right != right || osys->crop.bottom != bottom ||
1199         (crop_num > 0 && crop_den > 0 &&
1200          (crop_num != osys->crop.num || crop_den != osys->crop.den))) {
1201
1202         osys->crop.left   = left;
1203         osys->crop.top    = top;
1204         osys->crop.right  = right;
1205         osys->crop.bottom = bottom;
1206         osys->crop.num    = crop_num;
1207         osys->crop.den    = crop_den;
1208
1209         osys->ch_crop = true;
1210     }
1211 }
1212
1213 struct vlc_gl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1214 {
1215     struct vlc_gl_t *gl;
1216     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1217         return NULL;
1218     return gl;
1219 }
1220
1221 static vout_display_t *DisplayNew(vout_thread_t *vout,
1222                                   const video_format_t *source_org,
1223                                   const vout_display_state_t *state,
1224                                   const char *module,
1225                                   bool is_wrapper, vout_display_t *wrapper,
1226                                   mtime_t double_click_timeout,
1227                                   mtime_t hide_timeout,
1228                                   const vout_display_owner_t *owner_ptr)
1229 {
1230     /* */
1231     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1232     vout_display_cfg_t *cfg = &osys->cfg;
1233
1234     *cfg = state->cfg;
1235     osys->wm_state_initial = -1;
1236     osys->sar_initial.num = state->sar.num;
1237     osys->sar_initial.den = state->sar.den;
1238     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1239                                        source_org, cfg);
1240
1241     osys->vout = vout;
1242     osys->is_wrapper = is_wrapper;
1243     osys->wrapper = wrapper;
1244
1245     vlc_mutex_init(&osys->lock);
1246
1247     vlc_mouse_Init(&osys->mouse.state);
1248     osys->mouse.last_moved = mdate();
1249     osys->mouse.double_click_timeout = double_click_timeout;
1250     osys->mouse.hide_timeout = hide_timeout;
1251     osys->is_fullscreen  = cfg->is_fullscreen;
1252     osys->display_width  = cfg->display.width;
1253     osys->display_height = cfg->display.height;
1254     osys->is_display_filled = cfg->is_display_filled;
1255     osys->width_saved    = cfg->display.width;
1256     osys->height_saved   = cfg->display.height;
1257     if (osys->is_fullscreen) {
1258         vout_display_cfg_t cfg_windowed = *cfg;
1259         cfg_windowed.is_fullscreen  = false;
1260         cfg_windowed.display.width  = 0;
1261         cfg_windowed.display.height = 0;
1262         vout_display_GetDefaultDisplaySize(&osys->width_saved,
1263                                            &osys->height_saved,
1264                                            source_org, &cfg_windowed);
1265     }
1266     osys->zoom.num = cfg->zoom.num;
1267     osys->zoom.den = cfg->zoom.den;
1268     osys->wm_state = state->wm_state;
1269     osys->fit_window = 0;
1270     osys->event.fifo = NULL;
1271
1272     osys->source = *source_org;
1273     osys->crop.left   = 0;
1274     osys->crop.top    = 0;
1275     osys->crop.right  = 0;
1276     osys->crop.bottom = 0;
1277     osys->crop_saved.num = 0;
1278     osys->crop_saved.den = 0;
1279     osys->crop.num = 0;
1280     osys->crop.den = 0;
1281
1282     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source_org->i_sar_num;
1283     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source_org->i_sar_den;
1284 #ifdef ALLOW_DUMMY_VOUT
1285     vlc_mouse_Init(&osys->vout_mouse);
1286 #endif
1287
1288     vout_display_owner_t owner;
1289     if (owner_ptr) {
1290         owner = *owner_ptr;
1291     } else {
1292         owner.event      = VoutDisplayEvent;
1293         owner.window_new = VoutDisplayNewWindow;
1294         owner.window_del = VoutDisplayDelWindow;
1295     }
1296     owner.sys = osys;
1297
1298     /* */
1299     video_format_t source = *source_org;
1300
1301     source.i_x_offset = 0;
1302     source.i_y_offset = 0;
1303     source.i_visible_width  = source.i_width;
1304     source.i_visible_height = source.i_height;
1305
1306     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1307                                                  module, !is_wrapper,
1308                                                  &source, cfg, &owner);
1309     if (!p_display) {
1310         free(osys);
1311         return NULL;
1312     }
1313
1314     VoutDisplayCreateRender(p_display);
1315
1316     /* Setup delayed request */
1317     if (osys->sar.num != source.i_sar_num ||
1318         osys->sar.den != source.i_sar_den)
1319         osys->ch_sar = true;
1320     if (osys->wm_state != osys->wm_state_initial)
1321         osys->ch_wm_state = true;
1322     if (source.i_x_offset       != source_org->i_x_offset ||
1323         source.i_y_offset       != source_org->i_y_offset ||
1324         source.i_visible_width  != source_org->i_visible_width ||
1325         source.i_visible_height != source_org->i_visible_height)
1326         osys->ch_crop = true;
1327
1328     return p_display;
1329 }
1330
1331 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1332 {
1333     vout_display_owner_sys_t *osys = vd->owner.sys;
1334
1335     if (state) {
1336         if (!osys->is_wrapper )
1337             state->cfg = osys->cfg;
1338         state->wm_state = osys->wm_state;
1339         state->sar.num  = osys->sar_initial.num;
1340         state->sar.den  = osys->sar_initial.den;
1341     }
1342
1343     VoutDisplayDestroyRender(vd);
1344     if (osys->is_wrapper)
1345         SplitterClose(vd);
1346     vout_display_Delete(vd);
1347     if (osys->event.fifo) {
1348         vlc_cancel(osys->event.thread);
1349         vlc_join(osys->event.thread, NULL);
1350         block_FifoRelease(osys->event.fifo);
1351     }
1352     vlc_mutex_destroy(&osys->lock);
1353     free(osys);
1354 }
1355
1356 /*****************************************************************************
1357  *
1358  *****************************************************************************/
1359 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1360                                 const video_format_t *source,
1361                                 const vout_display_state_t *state,
1362                                 const char *module,
1363                                 mtime_t double_click_timeout,
1364                                 mtime_t hide_timeout)
1365 {
1366     return DisplayNew(vout, source, state, module, false, NULL,
1367                       double_click_timeout, hide_timeout, NULL);
1368 }
1369
1370 /*****************************************************************************
1371  *
1372  *****************************************************************************/
1373 struct vout_display_sys_t {
1374     picture_pool_t   *pool;
1375     video_splitter_t *splitter;
1376
1377     /* */
1378     int            count;
1379     picture_t      **picture;
1380     vout_display_t **display;
1381 };
1382 struct video_splitter_owner_t {
1383     vout_display_t *wrapper;
1384 };
1385
1386 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1387 {
1388     vout_display_owner_sys_t *osys = vd->owner.sys;
1389
1390     vout_window_cfg_t cfg = *cfg_ptr;
1391     cfg.is_standalone = true;
1392     cfg.x += 0;//output->window.i_x; FIXME
1393     cfg.y += 0;//output->window.i_y;
1394
1395     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1396 }
1397 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1398 {
1399     vout_display_owner_sys_t *osys = vd->owner.sys;
1400
1401     vout_DeleteDisplayWindow(osys->vout, vd, window);
1402 }
1403 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1404 {
1405     //vout_display_owner_sys_t *osys = vd->owner.sys;
1406
1407     switch (event) {
1408 #if 0
1409     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1410     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1411     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1412     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1413         /* TODO */
1414         break;
1415 #endif
1416     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1417     case VOUT_DISPLAY_EVENT_KEY:
1418     case VOUT_DISPLAY_EVENT_CLOSE:
1419     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1420     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1421     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1422         VoutDisplayEvent(vd, event, args);
1423         break;
1424
1425     default:
1426         msg_Err(vd, "SplitterEvent TODO");
1427         break;
1428     }
1429 }
1430
1431 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1432 {
1433     vout_display_sys_t *sys = vd->sys;
1434     if (!sys->pool)
1435         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1436     return sys->pool;
1437 }
1438 static void SplitterPrepare(vout_display_t *vd,
1439                             picture_t *picture,
1440                             subpicture_t *subpicture)
1441 {
1442     vout_display_sys_t *sys = vd->sys;
1443
1444     picture_Hold(picture);
1445     assert(!subpicture);
1446
1447     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1448         for (int i = 0; i < sys->count; i++)
1449             sys->picture[i] = NULL;
1450         picture_Release(picture);
1451         return;
1452     }
1453
1454     for (int i = 0; i < sys->count; i++) {
1455         if (vout_IsDisplayFiltered(sys->display[i]))
1456             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1457         if (sys->picture[i])
1458             vout_display_Prepare(sys->display[i], sys->picture[i], NULL);
1459     }
1460 }
1461 static void SplitterDisplay(vout_display_t *vd,
1462                             picture_t *picture,
1463                             subpicture_t *subpicture)
1464 {
1465     vout_display_sys_t *sys = vd->sys;
1466
1467     assert(!subpicture);
1468     for (int i = 0; i < sys->count; i++) {
1469         if (sys->picture[i])
1470             vout_display_Display(sys->display[i], sys->picture[i], NULL);
1471     }
1472     picture_Release(picture);
1473 }
1474 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1475 {
1476     (void)vd; (void)query; (void)args;
1477     return VLC_EGENERIC;
1478 }
1479 static void SplitterManage(vout_display_t *vd)
1480 {
1481     vout_display_sys_t *sys = vd->sys;
1482
1483     for (int i = 0; i < sys->count; i++)
1484         vout_ManageDisplay(sys->display[i], true);
1485 }
1486
1487 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1488 {
1489     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1490
1491     for (int i = 0; i < wsys->count; i++) {
1492         if (vout_IsDisplayFiltered(wsys->display[i])) {
1493             /* TODO use a pool ? */
1494             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1495         } else {
1496             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1497             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1498         }
1499         if (!picture[i]) {
1500             for (int j = 0; j < i; j++)
1501                 picture_Release(picture[j]);
1502             return VLC_EGENERIC;
1503         }
1504     }
1505     return VLC_SUCCESS;
1506 }
1507 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1508 {
1509     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1510
1511     for (int i = 0; i < wsys->count; i++)
1512         picture_Release(picture[i]);
1513 }
1514 static void SplitterClose(vout_display_t *vd)
1515 {
1516     vout_display_sys_t *sys = vd->sys;
1517
1518     /* */
1519     video_splitter_t *splitter = sys->splitter;
1520     free(splitter->p_owner);
1521     video_splitter_Delete(splitter);
1522
1523     if (sys->pool)
1524         picture_pool_Delete(sys->pool);
1525
1526     /* */
1527     for (int i = 0; i < sys->count; i++)
1528         vout_DeleteDisplay(sys->display[i], NULL);
1529     TAB_CLEAN(sys->count, sys->display);
1530     free(sys->picture);
1531
1532     free(sys);
1533 }
1534
1535 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1536                                  const video_format_t *source,
1537                                  const vout_display_state_t *state,
1538                                  const char *module,
1539                                  const char *splitter_module,
1540                                  mtime_t double_click_timeout,
1541                                  mtime_t hide_timeout)
1542 {
1543     video_splitter_t *splitter =
1544         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1545     if (!splitter)
1546         return NULL;
1547
1548     /* */
1549     vout_display_t *wrapper =
1550         DisplayNew(vout, source, state, module, true, NULL,
1551                     double_click_timeout, hide_timeout, NULL);
1552     if (!wrapper) {
1553         video_splitter_Delete(splitter);
1554         return NULL;
1555     }
1556     vout_display_sys_t *sys = malloc(sizeof(*sys));
1557     if (!sys)
1558         abort();
1559     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1560     if (!sys->picture )
1561         abort();
1562     sys->splitter = splitter;
1563     sys->pool     = NULL;
1564
1565     wrapper->pool    = SplitterPool;
1566     wrapper->prepare = SplitterPrepare;
1567     wrapper->display = SplitterDisplay;
1568     wrapper->control = SplitterControl;
1569     wrapper->manage  = SplitterManage;
1570     wrapper->sys     = sys;
1571
1572     /* */
1573     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1574     if (!owner)
1575         abort();
1576     owner->wrapper = wrapper;
1577     splitter->p_owner = owner;
1578     splitter->pf_picture_new = SplitterPictureNew;
1579     splitter->pf_picture_del = SplitterPictureDel;
1580
1581     /* */
1582     TAB_INIT(sys->count, sys->display);
1583     for (int i = 0; i < splitter->i_output; i++) {
1584         vout_display_owner_t owner;
1585
1586         owner.event      = SplitterEvent;
1587         owner.window_new = SplitterNewWindow;
1588         owner.window_del = SplitterDelWindow;
1589
1590         const video_splitter_output_t *output = &splitter->p_output[i];
1591         vout_display_state_t ostate;
1592
1593         memset(&ostate, 0, sizeof(ostate));
1594         ostate.cfg.is_fullscreen = false;
1595         ostate.cfg.display = state->cfg.display;
1596         ostate.cfg.align.horizontal = 0; /* TODO */
1597         ostate.cfg.align.vertical = 0; /* TODO */
1598         ostate.cfg.is_display_filled = true;
1599         ostate.cfg.zoom.num = 1;
1600         ostate.cfg.zoom.den = 1;
1601
1602         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1603                                            output->psz_module ? output->psz_module : module,
1604                                            false, wrapper,
1605                                            double_click_timeout, hide_timeout, &owner);
1606         if (!vd) {
1607             vout_DeleteDisplay(wrapper, NULL);
1608             return NULL;
1609         }
1610         TAB_APPEND(sys->count, sys->display, vd);
1611     }
1612
1613     return wrapper;
1614 }
1615
1616 /*****************************************************************************
1617  * TODO move out
1618  *****************************************************************************/
1619 #include "vout_internal.h"
1620 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1621 {
1622     vlc_mouse_t tmp1, tmp2;
1623
1624     /* The check on spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1625     if (vout->p->spu && spu_ProcessMouse( vout->p->spu, m, &vout->p->display.vd->source))
1626         return;
1627
1628     vlc_mutex_lock( &vout->p->filter.lock );
1629     if (vout->p->filter.chain_static && vout->p->filter.chain_interactive) {
1630         if (!filter_chain_MouseFilter(vout->p->filter.chain_interactive, &tmp1, m))
1631             m = &tmp1;
1632         if (!filter_chain_MouseFilter(vout->p->filter.chain_static,      &tmp2, m))
1633             m = &tmp2;
1634     }
1635     vlc_mutex_unlock( &vout->p->filter.lock );
1636
1637     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1638         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1639     }
1640     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1641         for (unsigned button = 0; button < MOUSE_BUTTON_MAX; button++) {
1642             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1643                 vout_SendEventMousePressed(vout, button);
1644             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1645                 vout_SendEventMouseReleased(vout, button);
1646         }
1647     }
1648     if (m->b_double_click)
1649         vout_SendEventMouseDoubleClick(vout);
1650     vout->p->mouse = *m;
1651 }
1652 #ifdef ALLOW_DUMMY_VOUT
1653 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1654 {
1655     vout_thread_sys_t p;
1656
1657     if (!vout->p) {
1658         p.mouse = *fallback;
1659         vlc_mutex_init(&p.filter.lock);
1660         p.filter.chain_static = NULL;
1661         p.filter.chain_interactive = NULL;
1662         p.spu = NULL;
1663         vout->p = &p;
1664     }
1665     vout_SendDisplayEventMouse(vout, m);
1666     if (vout->p == &p) {
1667         vlc_mutex_destroy(&p.filter.lock);
1668         *fallback = p.mouse;
1669         vout->p = NULL;
1670     }
1671 }
1672 #endif
1673