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