git.sesse.net Git - vlc/blob - src/video_output/display.c

   1 /*****************************************************************************
   2  * display.c: "vout display" managment
   3  *****************************************************************************
   4  * Copyright (C) 2009 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30 #include <assert.h>
  31
  32 #include <vlc_common.h>
  33 #include <vlc_video_splitter.h>
  34 #include <vlc_vout_display.h>
  35 #include <vlc_vout.h>
  36
  37 #include <libvlc.h>
  38
  39 #include "display.h"
  40
  41 #include "event.h"
  42
  43 /* It must be present as long as a vout_display_t must be created using a dummy
  44  * vout (as an opengl provider) */
  45 #define ALLOW_DUMMY_VOUT
  46
  47 static void SplitterClose(vout_display_t *vd);
  48
  49 /*****************************************************************************
  50  * FIXME/TODO see how to have direct rendering here (interact with vout.c)
  51  *****************************************************************************/
  52 static picture_t *VideoBufferNew(filter_t *filter)
  53 {
  54     vout_display_t *vd = (vout_display_t*)filter->p_owner;
  55     const video_format_t *fmt = &filter->fmt_out.video;
  56
  57     assert(vd->fmt.i_chroma == fmt->i_chroma &&
  58            vd->fmt.i_width  == fmt->i_width  &&
  59            vd->fmt.i_height == fmt->i_height);
  60
  61     picture_pool_t *pool = vout_display_Pool(vd, 1);
  62     if (!pool)
  63         return NULL;
  64     return picture_pool_Get(pool);
  65 }
  66 static void VideoBufferDelete(filter_t *filter, picture_t *picture)
  67 {
  68     VLC_UNUSED(filter);
  69     picture_Release(picture);
  70 }
  71
  72 static int  FilterAllocationInit(filter_t *filter, void *vd)
  73 {
  74     filter->pf_video_buffer_new = VideoBufferNew;
  75     filter->pf_video_buffer_del = VideoBufferDelete;
  76     filter->p_owner             = vd;
  77
  78     return VLC_SUCCESS;
  79 }
  80 static void FilterAllocationClean(filter_t *filter)
  81 {
  82     filter->pf_video_buffer_new = NULL;
  83     filter->pf_video_buffer_del = NULL;
  84     filter->p_owner             = NULL;
  85 }
  86
  87 /*****************************************************************************
  88  *
  89  *****************************************************************************/
  90
  91 /**
  92  * It creates a new vout_display_t using the given configuration.
  93  */
  94 static vout_display_t *vout_display_New(vlc_object_t *obj,
  95                                         const char *module, bool load_module,
  96                                         const video_format_t *fmt,
  97                                         const vout_display_cfg_t *cfg,
  98                                         vout_display_owner_t *owner)
  99 {
 100     /* */
 101     vout_display_t *vd = vlc_object_create(obj, sizeof(*vd));
 102
 103     /* */
 104     video_format_Copy(&vd->source, fmt);
 105
 106     /* Picture buffer does not have the concept of aspect ratio */
 107     video_format_Copy(&vd->fmt, fmt);
 108     vd->fmt.i_sar_num = 0;
 109     vd->fmt.i_sar_den = 0;
 110
 111     vd->info.is_slow = false;
 112     vd->info.has_double_click = false;
 113     vd->info.has_hide_mouse = false;
 114     vd->info.has_pictures_invalid = false;
 115
 116     vd->cfg = cfg;
 117     vd->pool = NULL;
 118     vd->prepare = NULL;
 119     vd->display = NULL;
 120     vd->control = NULL;
 121     vd->manage = NULL;
 122     vd->sys = NULL;
 123
 124     vd->owner = *owner;
 125
 126     vlc_object_attach(vd, obj);
 127
 128     if (load_module) {
 129         vd->module = module_need(vd, "vout display", module, module && *module != '\0');
 130         if (!vd->module) {
 131             vlc_object_detach(vd);
 132             vlc_object_release(vd);
 133             return NULL;
 134         }
 135     } else {
 136         vd->module = NULL;
 137     }
 138     return vd;
 139 }
 140
 141 /**
 142  * It deletes a vout_display_t
 143  */
 144 static void vout_display_Delete(vout_display_t *vd)
 145 {
 146     vlc_object_detach(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 static void vout_display_Manage(vout_display_t *vd)
 169 {
 170     if (vd->manage)
 171         vd->manage(vd);
 172 }
 173
 174 /* */
 175 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 176                                         const video_format_t *source,
 177                                         const vout_display_cfg_t *cfg)
 178 {
 179     if (cfg->display.width > 0 && cfg->display.height > 0) {
 180         *width  = cfg->display.width;
 181         *height = cfg->display.height;
 182     } else if (cfg->display.width > 0) {
 183         *width  = cfg->display.width;
 184         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 185             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 186     } else if (cfg->display.height > 0) {
 187         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 188             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 189         *height = cfg->display.height;
 190     } else if (source->i_sar_num >= source->i_sar_den) {
 191         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 192         *height = source->i_visible_height;
 193     } else {
 194         *width  = source->i_visible_width;
 195         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 196     }
 197
 198     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 199     *height = *height * cfg->zoom.num / cfg->zoom.den;
 200 }
 201
 202 /* */
 203 void vout_display_PlacePicture(vout_display_place_t *place,
 204                                const video_format_t *source,
 205                                const vout_display_cfg_t *cfg,
 206                                bool do_clipping)
 207 {
 208     /* */
 209     memset(place, 0, sizeof(*place));
 210     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 211         return;
 212
 213     /* */
 214     unsigned width;
 215     unsigned height;
 216     unsigned display_width;
 217     unsigned display_height;
 218
 219     if (cfg->is_display_filled) {
 220         width  = source->i_visible_width;
 221         height = source->i_visible_height;
 222         display_width  = cfg->display.width;
 223         display_height = cfg->display.height;
 224     } else {
 225         vout_display_cfg_t cfg_tmp = *cfg;
 226
 227         cfg_tmp.display.width  = 0;
 228         cfg_tmp.display.height = 0;
 229         vout_display_GetDefaultDisplaySize(&width, &height,
 230                                            source, &cfg_tmp);
 231
 232         display_width  = width;
 233         display_height = height;
 234         if (do_clipping) {
 235             display_width  = __MIN(display_width,  cfg->display.width);
 236             display_height = __MIN(display_height, cfg->display.height);
 237         }
 238     }
 239
 240     /* Compute the height if we use the width to fill up display_width */
 241     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;
 242     /* And the same but switching width/height */
 243     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;
 244
 245     /* We keep the solution that avoid filling outside the display */
 246     if (scaled_width <= cfg->display.width) {
 247         place->width  = scaled_width;
 248         place->height = display_height;
 249     } else {
 250         place->width  = display_width;
 251         place->height = scaled_height;
 252     }
 253
 254     /*  Compute position */
 255     switch (cfg->align.horizontal) {
 256     case VOUT_DISPLAY_ALIGN_LEFT:
 257         place->x = 0;
 258         break;
 259     case VOUT_DISPLAY_ALIGN_RIGHT:
 260         place->x = cfg->display.width - place->width;
 261         break;
 262     default:
 263         place->x = (cfg->display.width - place->width) / 2;
 264         break;
 265     }
 266
 267     switch (cfg->align.vertical) {
 268     case VOUT_DISPLAY_ALIGN_TOP:
 269         place->y = 0;
 270         break;
 271     case VOUT_DISPLAY_ALIGN_BOTTOM:
 272         place->y = cfg->display.height - place->height;
 273         break;
 274     default:
 275         place->y = (cfg->display.height - place->height) / 2;
 276         break;
 277     }
 278 }
 279
 280 struct vout_display_owner_sys_t {
 281     vout_thread_t   *vout;
 282     bool            is_wrapper;  /* Is the current display a wrapper */
 283     vout_display_t  *wrapper; /* Vout display wrapper */
 284
 285     /* */
 286     vout_display_cfg_t cfg;
 287     unsigned     wm_state_initial;
 288     struct {
 289         unsigned num;
 290         unsigned den;
 291     } sar_initial;
 292
 293     /* */
 294     int  width_saved;
 295     int  height_saved;
 296
 297     struct {
 298         unsigned num;
 299         unsigned den;
 300     } crop_saved;
 301
 302     /* */
 303     bool ch_display_filled;
 304     bool is_display_filled;
 305
 306     bool ch_zoom;
 307     struct {
 308         int  num;
 309         int  den;
 310     } zoom;
 311
 312     bool ch_wm_state;
 313     unsigned wm_state;
 314
 315     bool ch_sar;
 316     struct {
 317         unsigned num;
 318         unsigned den;
 319     } sar;
 320
 321     bool ch_crop;
 322     struct {
 323         unsigned x;
 324         unsigned y;
 325         unsigned width;
 326         unsigned height;
 327         unsigned num;
 328         unsigned den;
 329     } crop;
 330
 331     /* */
 332     video_format_t source;
 333     filter_chain_t *filters;
 334
 335     /* Lock protecting the variables used by
 336      * VoutDisplayEvent(ie vout_display_SendEvent) */
 337     vlc_mutex_t lock;
 338
 339     /* mouse state */
 340     struct {
 341         vlc_mouse_t state;
 342
 343         mtime_t last_pressed;
 344         mtime_t last_moved;
 345         bool    is_hidden;
 346         bool    ch_activity;
 347
 348         /* */
 349         mtime_t double_click_timeout;
 350         mtime_t hide_timeout;
 351     } mouse;
 352
 353     bool reset_pictures;
 354
 355     bool ch_fullscreen;
 356     bool is_fullscreen;
 357
 358     bool ch_display_size;
 359     int  display_width;
 360     int  display_height;
 361     bool display_is_fullscreen;
 362     bool display_is_forced;
 363
 364 #ifdef ALLOW_DUMMY_VOUT
 365     vlc_mouse_t vout_mouse;
 366 #endif
 367 };
 368
 369 static void DummyVoutSendDisplayEventMouse(vout_thread_t *, vlc_mouse_t *fallback, const vlc_mouse_t *m);
 370
 371 static void VoutDisplayCreateRender(vout_display_t *vd)
 372 {
 373     vout_display_owner_sys_t *osys = vd->owner.sys;
 374
 375     osys->filters = NULL;
 376
 377     video_format_t v_src = vd->source;
 378     v_src.i_sar_num = 0;
 379     v_src.i_sar_den = 0;
 380
 381     video_format_t v_dst = vd->fmt;
 382     v_dst.i_sar_num = 0;
 383     v_dst.i_sar_den = 0;
 384
 385     video_format_t v_dst_cmp = v_dst;
 386     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 387         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 388         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 389         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 390         v_dst_cmp.i_chroma = v_src.i_chroma;
 391
 392     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 393     if (!convert)
 394         return;
 395
 396     msg_Err(vd, "A filter to adapt decoder to display is needed");
 397
 398     osys->filters = filter_chain_New(vd, "video filter2", false,
 399                                      FilterAllocationInit,
 400                                      FilterAllocationClean, vd);
 401     assert(osys->filters); /* TODO critical */
 402
 403     /* */
 404     es_format_t src;
 405     es_format_InitFromVideo(&src, &v_src);
 406
 407     /* */
 408     es_format_t dst;
 409
 410     filter_t *filter;
 411     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 412
 413         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 414
 415         filter_chain_Reset(osys->filters, &src, &dst);
 416         filter = filter_chain_AppendFilter(osys->filters,
 417                                            NULL, NULL, &src, &dst);
 418         if (filter)
 419             break;
 420     }
 421     if (!filter)
 422     {
 423         msg_Err(vd, "VoutDisplayCreateRender FAILED");
 424         /* TODO */
 425         assert(0);
 426     }
 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         if (x != osys->mouse.state.i_x || y != osys->mouse.state.i_y) {
 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         } else {
 474             is_ignored = true;
 475         }
 476         break;
 477     }
 478     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 479     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 480         const int button = (int)va_arg(args, int);
 481         const int button_mask = 1 << button;
 482
 483         /* Ignore inconsistent event */
 484         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 485             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 486             is_ignored = true;
 487             break;
 488         }
 489
 490         /* */
 491         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 492
 493         m.b_double_click = false;
 494         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 495             m.i_pressed |= button_mask;
 496         else
 497             m.i_pressed &= ~button_mask;
 498         break;
 499     }
 500     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 501         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 502
 503         m.b_double_click = true;
 504         break;
 505     default:
 506         assert(0);
 507     }
 508
 509     if (is_ignored) {
 510         vlc_mutex_unlock(&osys->lock);
 511         return;
 512     }
 513
 514     /* Emulate double-click if needed */
 515     if (!vd->info.has_double_click &&
 516         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 517         const mtime_t i_date = mdate();
 518
 519         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 520             m.b_double_click = true;
 521             osys->mouse.last_pressed = 0;
 522         } else {
 523             osys->mouse.last_pressed = mdate();
 524         }
 525     }
 526
 527     /* */
 528     osys->mouse.state = m;
 529
 530     /* */
 531     osys->mouse.ch_activity = true;
 532     if (!vd->info.has_hide_mouse)
 533         osys->mouse.last_moved = mdate();
 534
 535     /* */
 536     vlc_mutex_unlock(&osys->lock);
 537
 538     /* */
 539     vout_SendEventMouseVisible(osys->vout);
 540 #ifdef ALLOW_DUMMY_VOUT
 541     DummyVoutSendDisplayEventMouse(osys->vout, &osys->vout_mouse, &m);
 542 #else
 543     vout_SendDisplayEventMouse(osys->vout, &m);
 544 #endif
 545 }
 546
 547 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 548 {
 549     vout_display_owner_sys_t *osys = vd->owner.sys;
 550
 551     switch (event) {
 552     case VOUT_DISPLAY_EVENT_CLOSE: {
 553         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 554         vout_SendEventClose(osys->vout);
 555         break;
 556     }
 557     case VOUT_DISPLAY_EVENT_KEY: {
 558         const int key = (int)va_arg(args, int);
 559         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 560         vout_SendEventKey(osys->vout, key);
 561         break;
 562     }
 563     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 564     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 565     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 566     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 567     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 568         VoutDisplayEventMouse(vd, event, args);
 569         break;
 570
 571     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 572         const int is_fullscreen = (int)va_arg(args, int);
 573
 574         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 575
 576         vlc_mutex_lock(&osys->lock);
 577         if (!is_fullscreen != !osys->is_fullscreen) {
 578             osys->ch_fullscreen = true;
 579             osys->is_fullscreen = is_fullscreen;
 580         }
 581         vlc_mutex_unlock(&osys->lock);
 582         break;
 583     }
 584
 585     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 586         const unsigned state = va_arg(args, unsigned);
 587
 588         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 589
 590         vlc_mutex_lock(&osys->lock);
 591         if (state != osys->wm_state) {
 592             osys->ch_wm_state = true;
 593             osys->wm_state = state;
 594         }
 595         vlc_mutex_unlock(&osys->lock);
 596         break;
 597     }
 598
 599     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 600         const int width  = (int)va_arg(args, int);
 601         const int height = (int)va_arg(args, int);
 602         const bool is_fullscreen = (bool)va_arg(args, int);
 603         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 604                 width, height, is_fullscreen ? "fullscreen" : "window");
 605
 606         /* */
 607         vlc_mutex_lock(&osys->lock);
 608
 609         osys->ch_display_size       = true;
 610         osys->display_width         = width;
 611         osys->display_height        = height;
 612         osys->display_is_fullscreen = is_fullscreen;
 613         osys->display_is_forced     = false;
 614
 615         vlc_mutex_unlock(&osys->lock);
 616         break;
 617     }
 618
 619     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 620         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 621
 622         /* */
 623         assert(vd->info.has_pictures_invalid);
 624
 625         vlc_mutex_lock(&osys->lock);
 626         osys->reset_pictures = true;
 627         vlc_mutex_unlock(&osys->lock);
 628         break;
 629     }
 630     default:
 631         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 632         /* TODO add an assert when all event are handled */
 633         break;
 634     }
 635 }
 636
 637 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 638 {
 639     vout_display_owner_sys_t *osys = vd->owner.sys;
 640
 641     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 642 }
 643 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 644 {
 645     vout_display_owner_sys_t *osys = vd->owner.sys;
 646
 647     vout_DeleteDisplayWindow(osys->vout, vd, window);
 648 }
 649
 650 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 651 {
 652     vout_display_owner_sys_t *osys = vd->owner.sys;
 653
 654     vout_display_Manage(vd);
 655
 656     /* Handle mouse timeout */
 657     const mtime_t date = mdate();
 658     bool  hide_mouse = false;
 659
 660     vlc_mutex_lock(&osys->lock);
 661
 662     if (!osys->mouse.is_hidden &&
 663         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 664         osys->mouse.is_hidden = hide_mouse = true;
 665     } else if (osys->mouse.ch_activity) {
 666         osys->mouse.is_hidden = false;
 667     }
 668     osys->mouse.ch_activity = false;
 669     vlc_mutex_unlock(&osys->lock);
 670
 671     if (hide_mouse) {
 672         if (!vd->info.has_hide_mouse) {
 673             msg_Dbg(vd, "auto hidding mouse");
 674             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 675         }
 676         vout_SendEventMouseHidden(osys->vout);
 677     }
 678
 679     bool reset_render = false;
 680     for (;;) {
 681
 682         vlc_mutex_lock(&osys->lock);
 683
 684         bool ch_fullscreen  = osys->ch_fullscreen;
 685         bool is_fullscreen  = osys->is_fullscreen;
 686         osys->ch_fullscreen = false;
 687
 688         bool ch_wm_state  = osys->ch_wm_state;
 689         unsigned wm_state  = osys->wm_state;
 690         osys->ch_wm_state = false;
 691
 692         bool ch_display_size       = osys->ch_display_size;
 693         int  display_width         = osys->display_width;
 694         int  display_height        = osys->display_height;
 695         bool display_is_fullscreen = osys->display_is_fullscreen;
 696         bool display_is_forced     = osys->display_is_forced;
 697         osys->ch_display_size = false;
 698
 699         bool reset_pictures;
 700         if (allow_reset_pictures) {
 701             reset_pictures = osys->reset_pictures;
 702             osys->reset_pictures = false;
 703         } else {
 704             reset_pictures = false;
 705         }
 706
 707         vlc_mutex_unlock(&osys->lock);
 708
 709         if (!ch_fullscreen &&
 710             !ch_display_size &&
 711             !reset_pictures &&
 712             !osys->ch_display_filled &&
 713             !osys->ch_zoom &&
 714             !ch_wm_state &&
 715             !osys->ch_sar &&
 716             !osys->ch_crop)
 717             break;
 718
 719         /* */
 720         if (ch_fullscreen) {
 721             vout_display_cfg_t cfg = osys->cfg;
 722
 723             cfg.is_fullscreen  = is_fullscreen;
 724             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 725             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 726
 727             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 728                 msg_Err(vd, "Failed to set fullscreen");
 729                 is_fullscreen = osys->cfg.is_fullscreen;
 730             }
 731             osys->cfg.is_fullscreen = is_fullscreen;
 732
 733             /* */
 734             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 735         }
 736
 737         /* */
 738         if (ch_display_size) {
 739             vout_display_cfg_t cfg = osys->cfg;
 740             cfg.display.width  = display_width;
 741             cfg.display.height = display_height;
 742
 743             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 744                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 745                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 746                     msg_Err(vd, "Failed to resize display");
 747
 748                 /* We ignore the resized */
 749                 display_width  = osys->cfg.display.width;
 750                 display_height = osys->cfg.display.height;
 751             }
 752             osys->cfg.display.width  = display_width;
 753             osys->cfg.display.height = display_height;
 754
 755             if (!display_is_fullscreen) {
 756                 osys->width_saved  = display_width;
 757                 osys->height_saved = display_height;
 758             }
 759         }
 760         /* */
 761         if (osys->ch_display_filled) {
 762             vout_display_cfg_t cfg = osys->cfg;
 763
 764             cfg.is_display_filled = osys->is_display_filled;
 765
 766             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 767                 msg_Err(vd, "Failed to change display filled state");
 768                 osys->is_display_filled = osys->cfg.is_display_filled;
 769             }
 770             osys->cfg.is_display_filled = osys->is_display_filled;
 771             osys->ch_display_filled = false;
 772
 773             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 774         }
 775         /* */
 776         if (osys->ch_zoom) {
 777             vout_display_cfg_t cfg = osys->cfg;
 778
 779             cfg.zoom.num = osys->zoom.num;
 780             cfg.zoom.den = osys->zoom.den;
 781
 782             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 783                 cfg.zoom.num = 1;
 784                 cfg.zoom.den = 10;
 785             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 786                 cfg.zoom.num = 10;
 787                 cfg.zoom.den = 1;
 788             }
 789
 790             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 791                 msg_Err(vd, "Failed to change zoom");
 792                 osys->zoom.num = osys->cfg.zoom.num;
 793                 osys->zoom.den = osys->cfg.zoom.den;
 794             } else if (cfg.is_display_filled) {
 795                 const int display_width  = (int64_t)vd->source.i_width  * osys->zoom.num / osys->zoom.den;
 796                 const int display_height = (int64_t)vd->source.i_height * osys->zoom.num / osys->zoom.den;
 797
 798                 vlc_mutex_lock(&osys->lock);
 799
 800                 osys->ch_display_size       = true;
 801                 osys->display_width         = display_width;
 802                 osys->display_height        = display_height;
 803                 osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 804                 osys->display_is_forced     = true;
 805
 806                 vlc_mutex_unlock(&osys->lock);
 807             }
 808
 809             osys->cfg.zoom.num = osys->zoom.num;
 810             osys->cfg.zoom.den = osys->zoom.den;
 811             osys->ch_zoom = false;
 812
 813             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 814         }
 815         /* */
 816         if (ch_wm_state) {
 817             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 818                 msg_Err(vd, "Failed to set on top");
 819                 wm_state = osys->wm_state;
 820             }
 821             osys->wm_state_initial = wm_state;
 822
 823             /* */
 824             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 825         }
 826         /* */
 827         if (osys->ch_sar) {
 828             video_format_t source = vd->source;
 829
 830             if (osys->sar.num > 0 && osys->sar.den > 0) {
 831                 source.i_sar_num = osys->sar.num;
 832                 source.i_sar_den = osys->sar.den;
 833             } else {
 834                 source.i_sar_num = osys->source.i_sar_num;
 835                 source.i_sar_den = osys->source.i_sar_den;
 836             }
 837
 838             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 839                 /* There nothing much we can do. The only reason a vout display
 840                  * does not support it is because it need the core to add black border
 841                  * to the video for it.
 842                  * TODO add black borders ?
 843                  */
 844                 msg_Err(vd, "Failed to change source AR");
 845                 source = vd->source;
 846             }
 847             vd->source = source;
 848             osys->sar.num = source.i_sar_num;
 849             osys->sar.den = source.i_sar_den;
 850             osys->ch_sar  = false;
 851
 852             /* */
 853             if (osys->sar.num == osys->source.i_sar_num &&
 854                 osys->sar.den == osys->source.i_sar_den)
 855             {
 856                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 857             }
 858             else
 859             {
 860                 unsigned dar_num, dar_den;
 861                 vlc_ureduce( &dar_num, &dar_den,
 862                              osys->sar.num * vd->source.i_visible_width,
 863                              osys->sar.den * vd->source.i_visible_height,
 864                              65536);
 865                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 866             }
 867         }
 868         /* */
 869         if (osys->ch_crop) {
 870             video_format_t source = vd->source;
 871             unsigned crop_num = osys->crop.num;
 872             unsigned crop_den = osys->crop.den;
 873
 874             source.i_x_offset       = osys->crop.x;
 875             source.i_y_offset       = osys->crop.y;
 876             source.i_visible_width  = osys->crop.width;
 877             source.i_visible_height = osys->crop.height;
 878
 879             /* */
 880             const bool is_valid = source.i_x_offset < source.i_width &&
 881                                   source.i_y_offset < source.i_height &&
 882                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 883                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 884                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 885
 886             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 887                 if (is_valid)
 888                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 889                 else
 890                     msg_Err(vd, "Invalid crop requested");
 891
 892                 source = vd->source;
 893                 crop_num = osys->crop_saved.num;
 894                 crop_den = osys->crop_saved.den;
 895                 /* FIXME implement cropping in the core if not supported by the
 896                  * vout module (easy)
 897                  */
 898             }
 899             vd->source = source;
 900             osys->crop.x      = source.i_x_offset;
 901             osys->crop.y      = source.i_y_offset;
 902             osys->crop.width  = source.i_visible_width;
 903             osys->crop.height = source.i_visible_height;
 904             osys->crop.num    = crop_num;
 905             osys->crop.den    = crop_den;
 906             osys->ch_crop = false;
 907
 908             /* TODO fix when a ratio is used (complicated). */
 909             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
 910             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
 911             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
 912             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
 913             vout_SendEventSourceCrop(osys->vout,
 914                                      osys->crop.num, osys->crop.den,
 915                                      left, top, right, bottom);
 916         }
 917
 918         /* */
 919         if (reset_pictures) {
 920             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
 921                 /* FIXME what to do here ? */
 922                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
 923             }
 924             reset_render = true;
 925         }
 926     }
 927     if (reset_render)
 928         VoutDisplayResetRender(vd);
 929 }
 930
 931 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
 932 {
 933     vout_display_owner_sys_t *osys = vd->owner.sys;
 934
 935     vlc_mutex_lock(&osys->lock);
 936     const bool reset_pictures = osys->reset_pictures;
 937     vlc_mutex_unlock(&osys->lock);
 938
 939     return reset_pictures;
 940 }
 941
 942 bool vout_IsDisplayFiltered(vout_display_t *vd)
 943 {
 944     vout_display_owner_sys_t *osys = vd->owner.sys;
 945
 946     return osys->filters != NULL;
 947 }
 948
 949 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
 950 {
 951     vout_display_owner_sys_t *osys = vd->owner.sys;
 952
 953     assert(osys->filters);
 954     return filter_chain_VideoFilter(osys->filters, picture);
 955 }
 956
 957 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
 958 {
 959     vout_display_owner_sys_t *osys = vd->owner.sys;
 960
 961     vlc_mutex_lock(&osys->lock);
 962     if (!osys->is_fullscreen != !is_fullscreen) {
 963         osys->ch_fullscreen = true;
 964         osys->is_fullscreen = is_fullscreen;
 965     }
 966     vlc_mutex_unlock(&osys->lock);
 967 }
 968
 969 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
 970 {
 971     vout_display_owner_sys_t *osys = vd->owner.sys;
 972
 973     if (!osys->is_display_filled != !is_filled) {
 974         osys->ch_display_filled = true;
 975         osys->is_display_filled = is_filled;
 976     }
 977 }
 978
 979 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
 980 {
 981     vout_display_owner_sys_t *osys = vd->owner.sys;
 982
 983     if (osys->is_display_filled ||
 984         osys->zoom.num != num || osys->zoom.den != den) {
 985         osys->ch_zoom = true;
 986         osys->zoom.num = num;
 987         osys->zoom.den = den;
 988     }
 989 }
 990
 991 void vout_SetWindowState(vout_display_t *vd, unsigned state)
 992 {
 993     vout_display_owner_sys_t *osys = vd->owner.sys;
 994
 995     vlc_mutex_lock(&osys->lock);
 996     if (osys->wm_state != state) {
 997         osys->ch_wm_state = true;
 998         osys->wm_state = state;
 999     }
1000     vlc_mutex_unlock(&osys->lock);
1001 }
1002
1003 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
1004 {
1005     vout_display_owner_sys_t *osys = vd->owner.sys;
1006
1007     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1008         osys->ch_sar = true;
1009         osys->sar.num = sar_num;
1010         osys->sar.den = sar_den;
1011     }
1012 }
1013 void vout_SetDisplayCrop(vout_display_t *vd,
1014                          unsigned crop_num, unsigned crop_den,
1015                          unsigned x, unsigned y, unsigned width, unsigned height)
1016 {
1017     vout_display_owner_sys_t *osys = vd->owner.sys;
1018
1019     if (osys->crop.x != x || osys->crop.y != y ||
1020         osys->crop.width  != width || osys->crop.height != height) {
1021
1022         osys->crop.x      = x;
1023         osys->crop.y      = y;
1024         osys->crop.width  = width;
1025         osys->crop.height = height;
1026         osys->crop.num    = crop_num;
1027         osys->crop.den    = crop_den;
1028
1029         osys->ch_crop = true;
1030     }
1031 }
1032 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1033 {
1034     vout_opengl_t *gl;
1035     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1036         return NULL;
1037     return gl;
1038 }
1039
1040 static vout_display_t *DisplayNew(vout_thread_t *vout,
1041                                   const video_format_t *source_org,
1042                                   const vout_display_state_t *state,
1043                                   const char *module,
1044                                   bool is_wrapper, vout_display_t *wrapper,
1045                                   mtime_t double_click_timeout,
1046                                   mtime_t hide_timeout,
1047                                   const vout_display_owner_t *owner_ptr)
1048 {
1049     /* */
1050     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1051     vout_display_cfg_t *cfg = &osys->cfg;
1052
1053     *cfg = state->cfg;
1054     osys->wm_state_initial = state->is_on_top
1055         ? VOUT_WINDOW_STATE_ABOVE : VOUT_WINDOW_STATE_NORMAL;
1056     osys->sar_initial.num = state->sar.num;
1057     osys->sar_initial.den = state->sar.den;
1058     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1059                                        source_org, cfg);
1060
1061     osys->vout = vout;
1062     osys->is_wrapper = is_wrapper;
1063     osys->wrapper = wrapper;
1064
1065     vlc_mutex_init(&osys->lock);
1066
1067     vlc_mouse_Init(&osys->mouse.state);
1068     osys->mouse.last_moved = mdate();
1069     osys->mouse.double_click_timeout = double_click_timeout;
1070     osys->mouse.hide_timeout = hide_timeout;
1071     osys->is_fullscreen  = cfg->is_fullscreen;
1072     osys->width_saved    =
1073     osys->display_width  = cfg->display.width;
1074     osys->height_saved   =
1075     osys->display_height = cfg->display.height;
1076     osys->is_display_filled = cfg->is_display_filled;
1077     osys->zoom.num = cfg->zoom.num;
1078     osys->zoom.den = cfg->zoom.den;
1079
1080     osys->source = *source_org;
1081
1082     video_format_t source = *source_org;
1083
1084     source.i_x_offset =
1085     osys->crop.x  = 0;
1086     source.i_y_offset =
1087     osys->crop.y  = 0;
1088     source.i_visible_width  =
1089     osys->crop.width    = source.i_width;
1090     source.i_visible_height =
1091     osys->crop.height   = source.i_height;
1092     osys->crop_saved.num = 0;
1093     osys->crop_saved.den = 0;
1094     osys->crop.num = 0;
1095     osys->crop.den = 0;
1096
1097     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1098     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1099 #ifdef ALLOW_DUMMY_VOUT
1100     vlc_mouse_Init(&osys->vout_mouse);
1101 #endif
1102
1103     vout_display_owner_t owner;
1104     if (owner_ptr) {
1105         owner = *owner_ptr;
1106     } else {
1107         owner.event      = VoutDisplayEvent;
1108         owner.window_new = VoutDisplayNewWindow;
1109         owner.window_del = VoutDisplayDelWindow;
1110     }
1111     owner.sys = osys;
1112
1113     /* */
1114     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1115                                                  module, !is_wrapper,
1116                                                  &source, cfg, &owner);
1117     if (!p_display) {
1118         free(osys);
1119         return NULL;
1120     }
1121
1122     VoutDisplayCreateRender(p_display);
1123
1124     /* Setup delayed request */
1125     if (osys->sar.num != source_org->i_sar_num ||
1126         osys->sar.den != source_org->i_sar_den)
1127         osys->ch_sar = true;
1128     if (osys->wm_state != VOUT_WINDOW_STATE_NORMAL)
1129         osys->ch_wm_state = true;
1130     if (osys->crop.x      != source_org->i_x_offset ||
1131         osys->crop.y      != source_org->i_y_offset ||
1132         osys->crop.width  != source_org->i_visible_width ||
1133         osys->crop.height != source_org->i_visible_height)
1134         osys->ch_crop = true;
1135
1136     return p_display;
1137 }
1138
1139 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1140 {
1141     vout_display_owner_sys_t *osys = vd->owner.sys;
1142
1143     if (state) {
1144         if (!osys->is_wrapper )
1145             state->cfg = osys->cfg;
1146         state->is_on_top = (osys->wm_state & VOUT_WINDOW_STATE_ABOVE) != 0;
1147         state->sar.num   = osys->sar_initial.num;
1148         state->sar.den   = osys->sar_initial.den;
1149     }
1150
1151     VoutDisplayDestroyRender(vd);
1152     if (osys->is_wrapper)
1153         SplitterClose(vd);
1154     vout_display_Delete(vd);
1155     vlc_mutex_destroy(&osys->lock);
1156     free(osys);
1157 }
1158
1159 /*****************************************************************************
1160  *
1161  *****************************************************************************/
1162 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1163                                 const video_format_t *source,
1164                                 const vout_display_state_t *state,
1165                                 const char *module,
1166                                 mtime_t double_click_timeout,
1167                                 mtime_t hide_timeout)
1168 {
1169     return DisplayNew(vout, source, state, module, false, NULL,
1170                       double_click_timeout, hide_timeout, NULL);
1171 }
1172
1173 static void SplitterClose(vout_display_t *vd)
1174 {
1175     VLC_UNUSED(vd);
1176     assert(0);
1177 }
1178
1179 #if 0
1180 /*****************************************************************************
1181  *
1182  *****************************************************************************/
1183 struct vout_display_sys_t {
1184     video_splitter_t *splitter;
1185
1186     /* */
1187     int            count;
1188     picture_t      **picture;
1189     vout_display_t **display;
1190 };
1191 struct video_splitter_owner_t {
1192     vout_display_t *wrapper;
1193 };
1194
1195 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1196 {
1197     vout_display_owner_sys_t *osys = vd->owner.sys;
1198
1199     vout_window_cfg_t cfg = *cfg_ptr;
1200     cfg.is_standalone = true;
1201     cfg.x += 0;//output->window.i_x; FIXME
1202     cfg.y += 0;//output->window.i_y;
1203
1204     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1205 }
1206 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1207 {
1208     vout_display_owner_sys_t *osys = vd->owner.sys;
1209
1210     vout_DeleteDisplayWindow(osys->vout, vd, window);
1211 }
1212 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1213 {
1214     vout_display_owner_sys_t *osys = vd->owner.sys;
1215
1216     switch (event) {
1217 #if 0
1218     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1219     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1220     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1221     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1222         /* TODO */
1223         break;
1224 #endif
1225     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1226     case VOUT_DISPLAY_EVENT_KEY:
1227     case VOUT_DISPLAY_EVENT_CLOSE:
1228     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1229     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1230     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1231         VoutDisplayEvent(vd, event, args);
1232         break;
1233
1234     default:
1235         msg_Err(vd, "SplitterEvent TODO");
1236         break;
1237     }
1238 }
1239
1240 static picture_t *SplitterGet(vout_display_t *vd)
1241 {
1242     /* TODO pool ? */
1243     return picture_NewFromFormat(&vd->fmt);
1244 }
1245 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1246 {
1247     vout_display_sys_t *sys = vd->sys;
1248
1249     picture_Hold(picture);
1250
1251     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1252         for (int i = 0; i < sys->count; i++)
1253             sys->picture[i] = NULL;
1254         picture_Release(picture);
1255         return;
1256     }
1257
1258     for (int i = 0; i < sys->count; i++) {
1259         /* */
1260         /* FIXME now vout_FilterDisplay already return a direct buffer FIXME */
1261         sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1262         if (!sys->picture[i])
1263             continue;
1264
1265         /* */
1266         picture_t *direct = vout_display_Get(sys->display[i]);
1267         if (!direct) {
1268             msg_Err(vd, "Failed to get a direct buffer");
1269             picture_Release(sys->picture[i]);
1270             sys->picture[i] = NULL;
1271             continue;
1272         }
1273
1274         /* FIXME not always needed (easy when there is a osys->filters) */
1275         picture_Copy(direct, sys->picture[i]);
1276         picture_Release(sys->picture[i]);
1277         sys->picture[i] = direct;
1278
1279         vout_display_Prepare(sys->display[i], sys->picture[i]);
1280     }
1281 }
1282 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1283 {
1284     vout_display_sys_t *sys = vd->sys;
1285
1286     for (int i = 0; i < sys->count; i++) {
1287         if (sys->picture[i])
1288             vout_display_Display(sys->display[i], sys->picture[i]);
1289     }
1290     picture_Release(picture);
1291 }
1292 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1293 {
1294     return VLC_EGENERIC;
1295 }
1296 static void SplitterManage(vout_display_t *vd)
1297 {
1298     vout_display_sys_t *sys = vd->sys;
1299
1300     for (int i = 0; i < sys->count; i++)
1301         vout_ManageDisplay(sys->display[i]);
1302 }
1303
1304 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1305 {
1306     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1307
1308     for (int i = 0; i < wsys->count; i++) {
1309         /* TODO pool ? */
1310         picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1311         if (!picture[i]) {
1312             for (int j = 0; j < i; j++)
1313                 picture_Release(picture[j]);
1314             return VLC_EGENERIC;
1315         }
1316     }
1317     return VLC_SUCCESS;
1318 }
1319 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1320 {
1321     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1322
1323     for (int i = 0; i < wsys->count; i++)
1324         picture_Release(picture[i]);
1325 }
1326 static void SplitterClose(vout_display_t *vd)
1327 {
1328     vout_display_sys_t *sys = vd->sys;
1329
1330     /* */
1331     video_splitter_t *splitter = sys->splitter;
1332     free(splitter->p_owner);
1333     video_splitter_Delete(splitter);
1334
1335     /* */
1336     for (int i = 0; i < sys->count; i++)
1337         vout_DeleteDisplay(sys->display[i], NULL);
1338     TAB_CLEAN(sys->count, sys->display);
1339     free(sys->picture);
1340
1341     free(sys);
1342 }
1343
1344 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1345                                  const video_format_t *source,
1346                                  const vout_display_state_t *state,
1347                                  const char *module,
1348                                  const char *splitter_module,
1349                                  mtime_t double_click_timeout,
1350                                  mtime_t hide_timeout)
1351 {
1352     video_splitter_t *splitter =
1353         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1354     if (!splitter)
1355         return NULL;
1356
1357     /* */
1358     vout_display_t *wrapper =
1359         DisplayNew(vout, source, state, module, true, NULL,
1360                     double_click_timeout, hide_timeout, NULL);
1361     if (!wrapper) {
1362         video_splitter_Delete(splitter);
1363         return NULL;
1364     }
1365     vout_display_sys_t *sys = malloc(sizeof(*sys));
1366     if (!sys)
1367         abort();
1368     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1369     if (!sys->picture )
1370         abort();
1371     sys->splitter = splitter;
1372
1373     wrapper->get     = SplitterGet;
1374     wrapper->prepare = SplitterPrepare;
1375     wrapper->display = SplitterDisplay;
1376     wrapper->control = SplitterControl;
1377     wrapper->manage  = SplitterManage;
1378     wrapper->sys     = sys;
1379
1380     /* */
1381     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1382     if (!owner)
1383         abort();
1384     owner->wrapper = wrapper;
1385     splitter->p_owner = owner;
1386     splitter->pf_picture_new = SplitterPictureNew;
1387     splitter->pf_picture_del = SplitterPictureDel;
1388
1389     /* */
1390     TAB_INIT(sys->count, sys->display);
1391     for (int i = 0; i < splitter->i_output; i++) {
1392         vout_display_owner_t owner;
1393
1394         owner.event      = SplitterEvent;
1395         owner.window_new = SplitterNewWindow;
1396         owner.window_del = SplitterDelWindow;
1397
1398         const video_splitter_output_t *output = &splitter->p_output[i];
1399         vout_display_state_t ostate;
1400
1401         memset(&ostate, 0, sizeof(ostate));
1402         ostate.cfg.is_fullscreen = false;
1403         ostate.cfg.display = state->cfg.display;
1404         ostate.cfg.align.horizontal = 0; /* TODO */
1405         ostate.cfg.align.vertical = 0; /* TODO */
1406         ostate.cfg.is_display_filled = true;
1407         ostate.cfg.zoom.num = 1;
1408         ostate.cfg.zoom.den = 1;
1409
1410         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1411                                            output->psz_module ? output->psz_module : module,
1412                                            false, wrapper,
1413                                            double_click_timeout, hide_timeout, &owner);
1414         if (!vd) {
1415             vout_DeleteDisplay(wrapper, NULL);
1416             return NULL;
1417         }
1418         TAB_APPEND(sys->count, sys->display, vd);
1419     }
1420
1421     return wrapper;
1422 }
1423 #endif
1424
1425 /*****************************************************************************
1426  * TODO move out
1427  *****************************************************************************/
1428 #include "vout_internal.h"
1429 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1430 {
1431     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1432         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1433     }
1434     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1435         static const int buttons[] = {
1436             MOUSE_BUTTON_LEFT,
1437             MOUSE_BUTTON_CENTER,
1438             MOUSE_BUTTON_RIGHT,
1439             MOUSE_BUTTON_WHEEL_UP,
1440             MOUSE_BUTTON_WHEEL_DOWN,
1441             -1
1442         };
1443         for (int i = 0; buttons[i] >= 0; i++) {
1444             const int button = buttons[i];
1445             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1446                 vout_SendEventMousePressed(vout, button);
1447             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1448                 vout_SendEventMouseReleased(vout, button);
1449         }
1450     }
1451     if (m->b_double_click)
1452         vout_SendEventMouseDoubleClick(vout);
1453     vout->p->mouse = *m;
1454 }
1455 #ifdef ALLOW_DUMMY_VOUT
1456 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1457 {
1458     vout_thread_sys_t p;
1459
1460     if (!vout->p) {
1461         p.mouse = *fallback;
1462         vout->p = &p;
1463     }
1464     vout_SendDisplayEventMouse(vout, m);
1465     if (vout->p == &p) {
1466         *fallback = p.mouse;
1467         vout->p = NULL;
1468     }
1469 }
1470 #endif
1471 vout_window_t * vout_NewDisplayWindow(vout_thread_t *vout, vout_display_t *vd, const vout_window_cfg_t *cfg)
1472 {
1473     VLC_UNUSED(vd);
1474     vout_window_cfg_t cfg_override = *cfg;
1475
1476     if( !var_InheritBool( vout, "embedded-video" ) )
1477         cfg_override.is_standalone = true;
1478
1479     return vout_window_New(VLC_OBJECT(vout), NULL, &cfg_override);
1480 }
1481 void vout_DeleteDisplayWindow(vout_thread_t *vout, vout_display_t *vd, vout_window_t *window)
1482 {
1483     VLC_UNUSED(vout);
1484     VLC_UNUSED(vd);
1485     vout_window_Delete(window);
1486 }
1487