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