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
  38 #include <libvlc.h>
  39
  40 #include "display.h"
  41
  42 #include "event.h"
  43
  44 /* It must be present as long as a vout_display_t must be created using a dummy
  45  * vout (as an opengl provider) */
  46 #define ALLOW_DUMMY_VOUT
  47
  48 static void SplitterClose(vout_display_t *vd);
  49
  50 /*****************************************************************************
  51  * FIXME/TODO see how to have direct rendering here (interact with vout.c)
  52  *****************************************************************************/
  53 static picture_t *VideoBufferNew(filter_t *filter)
  54 {
  55     vout_display_t *vd = (vout_display_t*)filter->p_owner;
  56     const video_format_t *fmt = &filter->fmt_out.video;
  57
  58     assert(vd->fmt.i_chroma == fmt->i_chroma &&
  59            vd->fmt.i_width  == fmt->i_width  &&
  60            vd->fmt.i_height == fmt->i_height);
  61
  62     picture_pool_t *pool = vout_display_Pool(vd, 3);
  63     if (!pool)
  64         return NULL;
  65     return picture_pool_Get(pool);
  66 }
  67 static void VideoBufferDelete(filter_t *filter, picture_t *picture)
  68 {
  69     VLC_UNUSED(filter);
  70     picture_Release(picture);
  71 }
  72
  73 static int  FilterAllocationInit(filter_t *filter, void *vd)
  74 {
  75     filter->pf_video_buffer_new = VideoBufferNew;
  76     filter->pf_video_buffer_del = VideoBufferDelete;
  77     filter->p_owner             = vd;
  78
  79     return VLC_SUCCESS;
  80 }
  81 static void FilterAllocationClean(filter_t *filter)
  82 {
  83     filter->pf_video_buffer_new = NULL;
  84     filter->pf_video_buffer_del = NULL;
  85     filter->p_owner             = NULL;
  86 }
  87
  88 /*****************************************************************************
  89  *
  90  *****************************************************************************/
  91
  92 /**
  93  * It creates a new vout_display_t using the given configuration.
  94  */
  95 static vout_display_t *vout_display_New(vlc_object_t *obj,
  96                                         const char *module, bool load_module,
  97                                         const video_format_t *fmt,
  98                                         const vout_display_cfg_t *cfg,
  99                                         vout_display_owner_t *owner)
 100 {
 101     /* */
 102     vout_display_t *vd = vlc_object_create(obj, sizeof(*vd));
 103
 104     /* */
 105     video_format_Copy(&vd->source, fmt);
 106
 107     /* Picture buffer does not have the concept of aspect ratio */
 108     video_format_Copy(&vd->fmt, fmt);
 109     vd->fmt.i_sar_num = 0;
 110     vd->fmt.i_sar_den = 0;
 111
 112     vd->info.is_slow = false;
 113     vd->info.has_double_click = false;
 114     vd->info.has_hide_mouse = false;
 115     vd->info.has_pictures_invalid = false;
 116     vd->info.has_event_thread = false;
 117
 118     vd->cfg = cfg;
 119     vd->pool = NULL;
 120     vd->prepare = NULL;
 121     vd->display = NULL;
 122     vd->control = NULL;
 123     vd->manage = NULL;
 124     vd->sys = NULL;
 125
 126     vd->owner = *owner;
 127
 128     vlc_object_attach(vd, obj);
 129
 130     if (load_module) {
 131         vd->module = module_need(vd, "vout display", module, module && *module != '\0');
 132         if (!vd->module) {
 133             vlc_object_release(vd);
 134             return NULL;
 135         }
 136     } else {
 137         vd->module = NULL;
 138     }
 139     return vd;
 140 }
 141
 142 /**
 143  * It deletes a vout_display_t
 144  */
 145 static void vout_display_Delete(vout_display_t *vd)
 146 {
 147     if (vd->module)
 148         module_unneed(vd, vd->module);
 149
 150     vlc_object_release(vd);
 151 }
 152
 153 /**
 154  * It controls a vout_display_t
 155  */
 156 static int vout_display_Control(vout_display_t *vd, int query, ...)
 157 {
 158     va_list args;
 159     int result;
 160
 161     va_start(args, query);
 162     result = vd->control(vd, query, args);
 163     va_end(args);
 164
 165     return result;
 166 }
 167 static void vout_display_Manage(vout_display_t *vd)
 168 {
 169     if (vd->manage)
 170         vd->manage(vd);
 171 }
 172
 173 /* */
 174 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 175                                         const video_format_t *source,
 176                                         const vout_display_cfg_t *cfg)
 177 {
 178     if (cfg->display.width > 0 && cfg->display.height > 0) {
 179         *width  = cfg->display.width;
 180         *height = cfg->display.height;
 181     } else if (cfg->display.width > 0) {
 182         *width  = cfg->display.width;
 183         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 184             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 185     } else if (cfg->display.height > 0) {
 186         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 187             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 188         *height = cfg->display.height;
 189     } else if (source->i_sar_num >= source->i_sar_den) {
 190         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 191         *height = source->i_visible_height;
 192     } else {
 193         *width  = source->i_visible_width;
 194         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 195     }
 196
 197     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 198     *height = *height * cfg->zoom.num / cfg->zoom.den;
 199 }
 200
 201 /* */
 202 void vout_display_PlacePicture(vout_display_place_t *place,
 203                                const video_format_t *source,
 204                                const vout_display_cfg_t *cfg,
 205                                bool do_clipping)
 206 {
 207     /* */
 208     memset(place, 0, sizeof(*place));
 209     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 210         return;
 211
 212     /* */
 213     unsigned display_width;
 214     unsigned display_height;
 215
 216     if (cfg->is_display_filled) {
 217         display_width  = cfg->display.width;
 218         display_height = cfg->display.height;
 219     } else {
 220         vout_display_cfg_t cfg_tmp = *cfg;
 221
 222         cfg_tmp.display.width  = 0;
 223         cfg_tmp.display.height = 0;
 224         vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 225                                            source, &cfg_tmp);
 226
 227         if (do_clipping) {
 228             display_width  = __MIN(display_width,  cfg->display.width);
 229             display_height = __MIN(display_height, cfg->display.height);
 230         }
 231     }
 232
 233     const unsigned width  = source->i_visible_width;
 234     const unsigned height = source->i_visible_height;
 235     /* Compute the height if we use the width to fill up display_width */
 236     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;
 237     /* And the same but switching width/height */
 238     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;
 239
 240     /* We keep the solution that avoid filling outside the display */
 241     if (scaled_width <= cfg->display.width) {
 242         place->width  = scaled_width;
 243         place->height = display_height;
 244     } else {
 245         place->width  = display_width;
 246         place->height = scaled_height;
 247     }
 248
 249     /*  Compute position */
 250     switch (cfg->align.horizontal) {
 251     case VOUT_DISPLAY_ALIGN_LEFT:
 252         place->x = 0;
 253         break;
 254     case VOUT_DISPLAY_ALIGN_RIGHT:
 255         place->x = cfg->display.width - place->width;
 256         break;
 257     default:
 258         place->x = (cfg->display.width - place->width) / 2;
 259         break;
 260     }
 261
 262     switch (cfg->align.vertical) {
 263     case VOUT_DISPLAY_ALIGN_TOP:
 264         place->y = 0;
 265         break;
 266     case VOUT_DISPLAY_ALIGN_BOTTOM:
 267         place->y = cfg->display.height - place->height;
 268         break;
 269     default:
 270         place->y = (cfg->display.height - place->height) / 2;
 271         break;
 272     }
 273 }
 274
 275 struct vout_display_owner_sys_t {
 276     vout_thread_t   *vout;
 277     bool            is_wrapper;  /* Is the current display a wrapper */
 278     vout_display_t  *wrapper; /* Vout display wrapper */
 279
 280     /* */
 281     vout_display_cfg_t cfg;
 282     unsigned     wm_state_initial;
 283     struct {
 284         unsigned num;
 285         unsigned den;
 286     } sar_initial;
 287
 288     /* */
 289     int  width_saved;
 290     int  height_saved;
 291
 292     struct {
 293         unsigned num;
 294         unsigned den;
 295     } crop_saved;
 296
 297     /* */
 298     bool ch_display_filled;
 299     bool is_display_filled;
 300
 301     bool ch_zoom;
 302     struct {
 303         int  num;
 304         int  den;
 305     } zoom;
 306
 307     bool ch_wm_state;
 308     unsigned wm_state;
 309
 310     bool ch_sar;
 311     struct {
 312         unsigned num;
 313         unsigned den;
 314     } sar;
 315
 316     bool ch_crop;
 317     struct {
 318         unsigned x;
 319         unsigned y;
 320         unsigned width;
 321         unsigned height;
 322         unsigned num;
 323         unsigned den;
 324     } crop;
 325
 326     /* */
 327     video_format_t source;
 328     filter_chain_t *filters;
 329
 330     /* Lock protecting the variables used by
 331      * VoutDisplayEvent(ie vout_display_SendEvent) */
 332     vlc_mutex_t lock;
 333
 334     /* mouse state */
 335     struct {
 336         vlc_mouse_t state;
 337
 338         mtime_t last_pressed;
 339         mtime_t last_moved;
 340         bool    is_hidden;
 341         bool    ch_activity;
 342
 343         /* */
 344         mtime_t double_click_timeout;
 345         mtime_t hide_timeout;
 346     } mouse;
 347
 348     bool reset_pictures;
 349
 350     bool ch_fullscreen;
 351     bool is_fullscreen;
 352
 353     bool ch_display_size;
 354     int  display_width;
 355     int  display_height;
 356     bool display_is_fullscreen;
 357     bool display_is_forced;
 358
 359     int  fit_window;
 360
 361     struct {
 362         vlc_thread_t thread;
 363         block_fifo_t *fifo;
 364     } event;
 365
 366 #ifdef ALLOW_DUMMY_VOUT
 367     vlc_mouse_t vout_mouse;
 368 #endif
 369 };
 370
 371 static void DummyVoutSendDisplayEventMouse(vout_thread_t *, vlc_mouse_t *fallback, const vlc_mouse_t *m);
 372
 373 static void VoutDisplayCreateRender(vout_display_t *vd)
 374 {
 375     vout_display_owner_sys_t *osys = vd->owner.sys;
 376
 377     osys->filters = NULL;
 378
 379     video_format_t v_src = vd->source;
 380     v_src.i_sar_num = 0;
 381     v_src.i_sar_den = 0;
 382
 383     video_format_t v_dst = vd->fmt;
 384     v_dst.i_sar_num = 0;
 385     v_dst.i_sar_den = 0;
 386
 387     video_format_t v_dst_cmp = v_dst;
 388     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 389         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 390         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 391         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 392         v_dst_cmp.i_chroma = v_src.i_chroma;
 393
 394     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 395     if (!convert)
 396         return;
 397
 398     msg_Dbg(vd, "A filter to adapt decoder to display is needed");
 399
 400     osys->filters = filter_chain_New(vd, "video filter2", false,
 401                                      FilterAllocationInit,
 402                                      FilterAllocationClean, vd);
 403     assert(osys->filters); /* TODO critical */
 404
 405     /* */
 406     es_format_t src;
 407     es_format_InitFromVideo(&src, &v_src);
 408
 409     /* */
 410     es_format_t dst;
 411
 412     filter_t *filter;
 413     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 414
 415         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 416
 417         filter_chain_Reset(osys->filters, &src, &dst);
 418         filter = filter_chain_AppendFilter(osys->filters,
 419                                            NULL, NULL, &src, &dst);
 420         if (filter)
 421             break;
 422     }
 423     if (!filter)
 424     {
 425         msg_Err(vd, "VoutDisplayCreateRender FAILED");
 426         /* TODO */
 427         assert(0);
 428     }
 429 }
 430
 431 static void VoutDisplayDestroyRender(vout_display_t *vd)
 432 {
 433     vout_display_owner_sys_t *osys = vd->owner.sys;
 434
 435     if (osys->filters)
 436         filter_chain_Delete(osys->filters);
 437 }
 438
 439 static void VoutDisplayResetRender(vout_display_t *vd)
 440 {
 441     VoutDisplayDestroyRender(vd);
 442     VoutDisplayCreateRender(vd);
 443 }
 444 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 445 {
 446     vout_display_owner_sys_t *osys = vd->owner.sys;
 447
 448     vlc_mutex_lock(&osys->lock);
 449
 450     /* */
 451     vlc_mouse_t m = osys->mouse.state;
 452     bool is_ignored = false;
 453
 454     switch (event) {
 455     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 456         const int x = (int)va_arg(args, int);
 457         const int y = (int)va_arg(args, int);
 458         const int button_mask = (int)va_arg(args, int);
 459
 460         vlc_mouse_Init(&m);
 461         m.i_x = x;
 462         m.i_y = y;
 463         m.i_pressed = button_mask;
 464         break;
 465     }
 466     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 467         const int x = (int)va_arg(args, int);
 468         const int y = (int)va_arg(args, int);
 469         if (x != osys->mouse.state.i_x || y != osys->mouse.state.i_y) {
 470             //msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 471
 472             m.i_x = x;
 473             m.i_y = y;
 474             m.b_double_click = false;
 475         } else {
 476             is_ignored = true;
 477         }
 478         break;
 479     }
 480     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 481     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED: {
 482         const int button = (int)va_arg(args, int);
 483         const int button_mask = 1 << button;
 484
 485         /* Ignore inconsistent event */
 486         if ((event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED  &&  (osys->mouse.state.i_pressed & button_mask)) ||
 487             (event == VOUT_DISPLAY_EVENT_MOUSE_RELEASED && !(osys->mouse.state.i_pressed & button_mask))) {
 488             is_ignored = true;
 489             break;
 490         }
 491
 492         /* */
 493         msg_Dbg(vd, "VoutDisplayEvent 'mouse button' %d t=%d", button, event);
 494
 495         m.b_double_click = false;
 496         if (event == VOUT_DISPLAY_EVENT_MOUSE_PRESSED)
 497             m.i_pressed |= button_mask;
 498         else
 499             m.i_pressed &= ~button_mask;
 500         break;
 501     }
 502     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 503         msg_Dbg(vd, "VoutDisplayEvent 'double click'");
 504
 505         m.b_double_click = true;
 506         break;
 507     default:
 508         assert(0);
 509     }
 510
 511     if (is_ignored) {
 512         vlc_mutex_unlock(&osys->lock);
 513         return;
 514     }
 515
 516     /* Emulate double-click if needed */
 517     if (!vd->info.has_double_click &&
 518         vlc_mouse_HasPressed(&osys->mouse.state, &m, MOUSE_BUTTON_LEFT)) {
 519         const mtime_t i_date = mdate();
 520
 521         if (i_date - osys->mouse.last_pressed < osys->mouse.double_click_timeout ) {
 522             m.b_double_click = true;
 523             osys->mouse.last_pressed = 0;
 524         } else {
 525             osys->mouse.last_pressed = mdate();
 526         }
 527     }
 528
 529     /* */
 530     osys->mouse.state = m;
 531
 532     /* */
 533     osys->mouse.ch_activity = true;
 534     if (!vd->info.has_hide_mouse)
 535         osys->mouse.last_moved = mdate();
 536
 537     /* */
 538     vout_SendEventMouseVisible(osys->vout);
 539 #ifdef ALLOW_DUMMY_VOUT
 540     DummyVoutSendDisplayEventMouse(osys->vout, &osys->vout_mouse, &m);
 541 #else
 542     vout_SendDisplayEventMouse(osys->vout, &m);
 543 #endif
 544     vlc_mutex_unlock(&osys->lock);
 545 }
 546
 547 static void *VoutDisplayEventKeyDispatch(void *data)
 548 {
 549     vout_display_t *vd = data;
 550     vout_display_owner_sys_t *osys = vd->owner.sys;
 551
 552     for (;;) {
 553         block_t *event = block_FifoGet(osys->event.fifo);
 554         if (!event)
 555             return NULL;
 556
 557         int key;
 558         memcpy(&key, event->p_buffer, sizeof(key));
 559         vout_SendEventKey(osys->vout, key);
 560         block_Release(event);
 561     }
 562 }
 563
 564 static void VoutDisplayEventKey(vout_display_t *vd, int key)
 565 {
 566     vout_display_owner_sys_t *osys = vd->owner.sys;
 567
 568     if (!osys->event.fifo) {
 569         osys->event.fifo = block_FifoNew();
 570         if (!osys->event.fifo)
 571             return;
 572         if (vlc_clone(&osys->event.thread, VoutDisplayEventKeyDispatch,
 573                       vd, VLC_THREAD_PRIORITY_LOW)) {
 574             block_FifoRelease(osys->event.fifo);
 575             osys->event.fifo = NULL;
 576             return;
 577         }
 578     }
 579     block_t *event = block_Alloc(sizeof(key));
 580     if (event) {
 581         memcpy(event->p_buffer, &key, sizeof(key));
 582         block_FifoPut(osys->event.fifo, event);
 583     }
 584 }
 585
 586 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 587 {
 588     vout_display_owner_sys_t *osys = vd->owner.sys;
 589
 590     switch (event) {
 591     case VOUT_DISPLAY_EVENT_CLOSE: {
 592         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 593         vout_SendEventClose(osys->vout);
 594         break;
 595     }
 596     case VOUT_DISPLAY_EVENT_KEY: {
 597         const int key = (int)va_arg(args, int);
 598         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 599         if (vd->info.has_event_thread)
 600             vout_SendEventKey(osys->vout, key);
 601         else
 602             VoutDisplayEventKey(vd, key);
 603         break;
 604     }
 605     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 606     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 607     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 608     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 609     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 610         VoutDisplayEventMouse(vd, event, args);
 611         break;
 612
 613     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 614         const int is_fullscreen = (int)va_arg(args, int);
 615
 616         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 617
 618         vlc_mutex_lock(&osys->lock);
 619         if (!is_fullscreen != !osys->is_fullscreen) {
 620             osys->ch_fullscreen = true;
 621             osys->is_fullscreen = is_fullscreen;
 622         }
 623         vlc_mutex_unlock(&osys->lock);
 624         break;
 625     }
 626
 627     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 628         const unsigned state = va_arg(args, unsigned);
 629
 630         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 631
 632         vlc_mutex_lock(&osys->lock);
 633         if (state != osys->wm_state) {
 634             osys->ch_wm_state = true;
 635             osys->wm_state = state;
 636         }
 637         vlc_mutex_unlock(&osys->lock);
 638         break;
 639     }
 640
 641     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 642         const int width  = (int)va_arg(args, int);
 643         const int height = (int)va_arg(args, int);
 644         const bool is_fullscreen = (bool)va_arg(args, int);
 645         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 646                 width, height, is_fullscreen ? "fullscreen" : "window");
 647
 648         /* */
 649         vlc_mutex_lock(&osys->lock);
 650
 651         osys->ch_display_size       = true;
 652         osys->display_width         = width;
 653         osys->display_height        = height;
 654         osys->display_is_fullscreen = is_fullscreen;
 655         osys->display_is_forced     = false;
 656
 657         vlc_mutex_unlock(&osys->lock);
 658         break;
 659     }
 660
 661     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 662         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 663
 664         /* */
 665         assert(vd->info.has_pictures_invalid);
 666
 667         vlc_mutex_lock(&osys->lock);
 668         osys->reset_pictures = true;
 669         vlc_mutex_unlock(&osys->lock);
 670         break;
 671     }
 672     default:
 673         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 674         /* TODO add an assert when all event are handled */
 675         break;
 676     }
 677 }
 678
 679 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 680 {
 681     vout_display_owner_sys_t *osys = vd->owner.sys;
 682
 683     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 684 }
 685 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 686 {
 687     vout_display_owner_sys_t *osys = vd->owner.sys;
 688
 689     vout_DeleteDisplayWindow(osys->vout, vd, window);
 690 }
 691
 692 static void VoutDisplayFitWindow(vout_display_t *vd, bool default_size)
 693 {
 694     vout_display_owner_sys_t *osys = vd->owner.sys;
 695     vout_display_cfg_t cfg = osys->cfg;
 696
 697     if (!cfg.is_display_filled)
 698         return;
 699
 700     cfg.display.width = 0;
 701     if (default_size) {
 702         cfg.display.height = 0;
 703     } else {
 704         cfg.display.height = osys->height_saved;
 705         cfg.zoom.num = 1;
 706         cfg.zoom.den = 1;
 707     }
 708
 709     unsigned display_width;
 710     unsigned display_height;
 711     vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 712                                        &vd->source, &cfg);
 713
 714     vlc_mutex_lock(&osys->lock);
 715
 716     osys->ch_display_size       = true;
 717     osys->display_width         = display_width;
 718     osys->display_height        = display_height;
 719     osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 720     osys->display_is_forced     = true;
 721
 722     vlc_mutex_unlock(&osys->lock);
 723 }
 724
 725 static void VoutDisplayCropRatio(unsigned *x, unsigned *y,
 726                                  unsigned *width, unsigned *height,
 727                                  const video_format_t *source,
 728                                  unsigned num, unsigned den)
 729 {
 730     unsigned scaled_width  = (uint64_t)source->i_visible_height * num * source->i_sar_den / den / source->i_sar_num;
 731     unsigned scaled_height = (uint64_t)source->i_visible_width  * den * source->i_sar_num / num / source->i_sar_den;
 732
 733     if (scaled_width < source->i_visible_width) {
 734         *x      = (source->i_visible_width - scaled_width) / 2;
 735         *y      = 0;
 736         *width  = scaled_width;
 737         *height = source->i_visible_height;
 738     } else {
 739         *x      = 0;
 740         *y      = (source->i_visible_height - scaled_height) / 2;
 741         *width  = source->i_visible_width;
 742         *height = scaled_height;
 743     }
 744     *x += source->i_x_offset;
 745     *y += source->i_y_offset;
 746 }
 747
 748 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 749 {
 750     vout_display_owner_sys_t *osys = vd->owner.sys;
 751
 752     vout_display_Manage(vd);
 753
 754     /* Handle mouse timeout */
 755     const mtime_t date = mdate();
 756     bool  hide_mouse = false;
 757
 758     vlc_mutex_lock(&osys->lock);
 759
 760     if (!osys->mouse.is_hidden &&
 761         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 762         osys->mouse.is_hidden = hide_mouse = true;
 763     } else if (osys->mouse.ch_activity) {
 764         osys->mouse.is_hidden = false;
 765     }
 766     osys->mouse.ch_activity = false;
 767     vlc_mutex_unlock(&osys->lock);
 768
 769     if (hide_mouse) {
 770         if (!vd->info.has_hide_mouse) {
 771             msg_Dbg(vd, "auto hidding mouse");
 772             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 773         }
 774         vout_SendEventMouseHidden(osys->vout);
 775     }
 776
 777     bool reset_render = false;
 778     for (;;) {
 779
 780         vlc_mutex_lock(&osys->lock);
 781
 782         bool ch_fullscreen  = osys->ch_fullscreen;
 783         bool is_fullscreen  = osys->is_fullscreen;
 784         osys->ch_fullscreen = false;
 785
 786         bool ch_wm_state  = osys->ch_wm_state;
 787         unsigned wm_state  = osys->wm_state;
 788         osys->ch_wm_state = false;
 789
 790         bool ch_display_size       = osys->ch_display_size;
 791         int  display_width         = osys->display_width;
 792         int  display_height        = osys->display_height;
 793         bool display_is_fullscreen = osys->display_is_fullscreen;
 794         bool display_is_forced     = osys->display_is_forced;
 795         osys->ch_display_size = false;
 796
 797         bool reset_pictures;
 798         if (allow_reset_pictures) {
 799             reset_pictures = osys->reset_pictures;
 800             osys->reset_pictures = false;
 801         } else {
 802             reset_pictures = false;
 803         }
 804
 805         vlc_mutex_unlock(&osys->lock);
 806
 807         if (!ch_fullscreen &&
 808             !ch_display_size &&
 809             !reset_pictures &&
 810             !osys->ch_display_filled &&
 811             !osys->ch_zoom &&
 812             !ch_wm_state &&
 813             !osys->ch_sar &&
 814             !osys->ch_crop) {
 815
 816             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 817                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 818                 osys->fit_window = 0;
 819                 continue;
 820             }
 821             break;
 822         }
 823
 824         /* */
 825         if (ch_fullscreen) {
 826             vout_display_cfg_t cfg = osys->cfg;
 827
 828             cfg.is_fullscreen  = is_fullscreen;
 829             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 830             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 831
 832             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 833                 msg_Err(vd, "Failed to set fullscreen");
 834                 is_fullscreen = osys->cfg.is_fullscreen;
 835             } else if (!is_fullscreen) {
 836                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, true);
 837             }
 838             osys->cfg.is_fullscreen = is_fullscreen;
 839
 840             /* */
 841             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 842         }
 843
 844         /* */
 845         if (ch_display_size) {
 846             vout_display_cfg_t cfg = osys->cfg;
 847             cfg.display.width  = display_width;
 848             cfg.display.height = display_height;
 849
 850             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 851                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 852                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 853                     msg_Err(vd, "Failed to resize display");
 854
 855                 /* We ignore the resized */
 856                 display_width  = osys->cfg.display.width;
 857                 display_height = osys->cfg.display.height;
 858             }
 859             osys->cfg.display.width  = display_width;
 860             osys->cfg.display.height = display_height;
 861
 862             if (!display_is_fullscreen) {
 863                 osys->width_saved  = display_width;
 864                 osys->height_saved = display_height;
 865             }
 866         }
 867         /* */
 868         if (osys->ch_display_filled) {
 869             vout_display_cfg_t cfg = osys->cfg;
 870
 871             cfg.is_display_filled = osys->is_display_filled;
 872
 873             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 874                 msg_Err(vd, "Failed to change display filled state");
 875                 osys->is_display_filled = osys->cfg.is_display_filled;
 876             }
 877             osys->cfg.is_display_filled = osys->is_display_filled;
 878             osys->ch_display_filled = false;
 879
 880             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 881         }
 882         /* */
 883         if (osys->ch_zoom) {
 884             vout_display_cfg_t cfg = osys->cfg;
 885
 886             cfg.zoom.num = osys->zoom.num;
 887             cfg.zoom.den = osys->zoom.den;
 888
 889             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 890                 cfg.zoom.num = 1;
 891                 cfg.zoom.den = 10;
 892             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 893                 cfg.zoom.num = 10;
 894                 cfg.zoom.den = 1;
 895             }
 896
 897             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 898                 msg_Err(vd, "Failed to change zoom");
 899                 osys->zoom.num = osys->cfg.zoom.num;
 900                 osys->zoom.den = osys->cfg.zoom.den;
 901             } else {
 902                 osys->fit_window = -1;
 903             }
 904
 905             osys->cfg.zoom.num = osys->zoom.num;
 906             osys->cfg.zoom.den = osys->zoom.den;
 907             osys->ch_zoom = false;
 908
 909             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 910         }
 911         /* */
 912         if (ch_wm_state) {
 913             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 914                 msg_Err(vd, "Failed to set on top");
 915                 wm_state = osys->wm_state;
 916             }
 917             osys->wm_state_initial = wm_state;
 918
 919             /* */
 920             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 921         }
 922         /* */
 923         if (osys->ch_sar) {
 924             video_format_t source = vd->source;
 925
 926             if (osys->sar.num > 0 && osys->sar.den > 0) {
 927                 source.i_sar_num = osys->sar.num;
 928                 source.i_sar_den = osys->sar.den;
 929             } else {
 930                 source.i_sar_num = osys->source.i_sar_num;
 931                 source.i_sar_den = osys->source.i_sar_den;
 932             }
 933
 934             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 935                 /* There nothing much we can do. The only reason a vout display
 936                  * does not support it is because it need the core to add black border
 937                  * to the video for it.
 938                  * TODO add black borders ?
 939                  */
 940                 msg_Err(vd, "Failed to change source AR");
 941                 source = vd->source;
 942             } else if (!osys->fit_window) {
 943                 osys->fit_window = 1;
 944             }
 945             vd->source = source;
 946             osys->sar.num = source.i_sar_num;
 947             osys->sar.den = source.i_sar_den;
 948             osys->ch_sar  = false;
 949
 950             /* */
 951             if (osys->sar.num == osys->source.i_sar_num &&
 952                 osys->sar.den == osys->source.i_sar_den)
 953             {
 954                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 955             }
 956             else
 957             {
 958                 unsigned dar_num, dar_den;
 959                 vlc_ureduce( &dar_num, &dar_den,
 960                              osys->sar.num * vd->source.i_visible_width,
 961                              osys->sar.den * vd->source.i_visible_height,
 962                              65536);
 963                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 964             }
 965             /* If a crop ratio is requested, recompute the parameters */
 966             if (osys->crop.num > 0 && osys->crop.den > 0)
 967                 osys->ch_crop = true;
 968         }
 969         /* */
 970         if (osys->ch_crop) {
 971             video_format_t source = vd->source;
 972
 973             unsigned crop_num = osys->crop.num;
 974             unsigned crop_den = osys->crop.den;
 975             if (crop_num > 0 && crop_den > 0) {
 976                 video_format_t fmt = osys->source;
 977                 fmt.i_sar_num = source.i_sar_num;
 978                 fmt.i_sar_den = source.i_sar_den;
 979                 VoutDisplayCropRatio(&osys->crop.x, &osys->crop.y,
 980                                      &osys->crop.width, &osys->crop.height,
 981                                      &fmt, crop_num, crop_den);
 982             }
 983
 984             source.i_x_offset       = osys->crop.x;
 985             source.i_y_offset       = osys->crop.y;
 986             source.i_visible_width  = osys->crop.width;
 987             source.i_visible_height = osys->crop.height;
 988
 989             /* */
 990             const bool is_valid = source.i_x_offset < source.i_width &&
 991                                   source.i_y_offset < source.i_height &&
 992                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 993                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 994                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 995
 996             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 997                 if (is_valid)
 998                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
 999                 else
1000                     msg_Err(vd, "Invalid crop requested");
1001
1002                 source = vd->source;
1003                 crop_num = osys->crop_saved.num;
1004                 crop_den = osys->crop_saved.den;
1005                 /* FIXME implement cropping in the core if not supported by the
1006                  * vout module (easy)
1007                  */
1008             } else if (!osys->fit_window) {
1009                 osys->fit_window = 1;
1010             }
1011             vd->source = source;
1012             osys->crop.x      = source.i_x_offset;
1013             osys->crop.y      = source.i_y_offset;
1014             osys->crop.width  = source.i_visible_width;
1015             osys->crop.height = source.i_visible_height;
1016             osys->crop.num    = crop_num;
1017             osys->crop.den    = crop_den;
1018             osys->ch_crop = false;
1019
1020             /* TODO fix when a ratio is used (complicated). */
1021             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
1022             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
1023             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
1024             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
1025             vout_SendEventSourceCrop(osys->vout,
1026                                      osys->crop.num, osys->crop.den,
1027                                      left, top, right, bottom);
1028         }
1029
1030         /* */
1031         if (reset_pictures) {
1032             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
1033                 /* FIXME what to do here ? */
1034                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
1035             }
1036             reset_render = true;
1037         }
1038     }
1039     if (reset_render)
1040         VoutDisplayResetRender(vd);
1041 }
1042
1043 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
1044 {
1045     vout_display_owner_sys_t *osys = vd->owner.sys;
1046
1047     vlc_mutex_lock(&osys->lock);
1048     const bool reset_pictures = osys->reset_pictures;
1049     vlc_mutex_unlock(&osys->lock);
1050
1051     return reset_pictures;
1052 }
1053
1054 bool vout_IsDisplayFiltered(vout_display_t *vd)
1055 {
1056     vout_display_owner_sys_t *osys = vd->owner.sys;
1057
1058     return osys->filters != NULL;
1059 }
1060
1061 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
1062 {
1063     vout_display_owner_sys_t *osys = vd->owner.sys;
1064
1065     assert(osys->filters);
1066     return filter_chain_VideoFilter(osys->filters, picture);
1067 }
1068
1069 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
1070 {
1071     vout_display_owner_sys_t *osys = vd->owner.sys;
1072
1073     vlc_mutex_lock(&osys->lock);
1074     if (!osys->is_fullscreen != !is_fullscreen) {
1075         osys->ch_fullscreen = true;
1076         osys->is_fullscreen = is_fullscreen;
1077     }
1078     vlc_mutex_unlock(&osys->lock);
1079 }
1080
1081 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
1082 {
1083     vout_display_owner_sys_t *osys = vd->owner.sys;
1084
1085     if (!osys->is_display_filled != !is_filled) {
1086         osys->ch_display_filled = true;
1087         osys->is_display_filled = is_filled;
1088     }
1089 }
1090
1091 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1092 {
1093     vout_display_owner_sys_t *osys = vd->owner.sys;
1094
1095     if (osys->is_display_filled ||
1096         osys->zoom.num != num || osys->zoom.den != den) {
1097         osys->ch_zoom = true;
1098         osys->zoom.num = num;
1099         osys->zoom.den = den;
1100     }
1101 }
1102
1103 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1104 {
1105     vout_display_owner_sys_t *osys = vd->owner.sys;
1106
1107     vlc_mutex_lock(&osys->lock);
1108     if (osys->wm_state != state) {
1109         osys->ch_wm_state = true;
1110         osys->wm_state = state;
1111     }
1112     vlc_mutex_unlock(&osys->lock);
1113 }
1114
1115 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
1116 {
1117     vout_display_owner_sys_t *osys = vd->owner.sys;
1118
1119     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1120         osys->ch_sar = true;
1121         osys->sar.num = sar_num;
1122         osys->sar.den = sar_den;
1123     }
1124 }
1125 void vout_SetDisplayCrop(vout_display_t *vd,
1126                          unsigned crop_num, unsigned crop_den,
1127                          unsigned x, unsigned y, unsigned width, unsigned height)
1128 {
1129     vout_display_owner_sys_t *osys = vd->owner.sys;
1130
1131     if (osys->crop.x != x || osys->crop.y != y ||
1132         osys->crop.width  != width || osys->crop.height != height ||
1133         (crop_num > 0 && crop_den > 0 &&
1134          (crop_num != osys->crop.num || crop_den != osys->crop.den))) {
1135
1136         osys->crop.x      = x;
1137         osys->crop.y      = y;
1138         osys->crop.width  = width;
1139         osys->crop.height = height;
1140         osys->crop.num    = crop_num;
1141         osys->crop.den    = crop_den;
1142
1143         osys->ch_crop = true;
1144     }
1145 }
1146 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1147 {
1148     vout_opengl_t *gl;
1149     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1150         return NULL;
1151     return gl;
1152 }
1153
1154 static vout_display_t *DisplayNew(vout_thread_t *vout,
1155                                   const video_format_t *source_org,
1156                                   const vout_display_state_t *state,
1157                                   const char *module,
1158                                   bool is_wrapper, vout_display_t *wrapper,
1159                                   mtime_t double_click_timeout,
1160                                   mtime_t hide_timeout,
1161                                   const vout_display_owner_t *owner_ptr)
1162 {
1163     /* */
1164     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1165     vout_display_cfg_t *cfg = &osys->cfg;
1166
1167     *cfg = state->cfg;
1168     osys->wm_state_initial = -1;
1169     osys->sar_initial.num = state->sar.num;
1170     osys->sar_initial.den = state->sar.den;
1171     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1172                                        source_org, cfg);
1173
1174     osys->vout = vout;
1175     osys->is_wrapper = is_wrapper;
1176     osys->wrapper = wrapper;
1177
1178     vlc_mutex_init(&osys->lock);
1179
1180     vlc_mouse_Init(&osys->mouse.state);
1181     osys->mouse.last_moved = mdate();
1182     osys->mouse.double_click_timeout = double_click_timeout;
1183     osys->mouse.hide_timeout = hide_timeout;
1184     osys->is_fullscreen  = cfg->is_fullscreen;
1185     osys->display_width  = cfg->display.width;
1186     osys->display_height = cfg->display.height;
1187     osys->is_display_filled = cfg->is_display_filled;
1188     osys->width_saved    = cfg->display.width;
1189     osys->height_saved   = cfg->display.height;
1190     if (osys->is_fullscreen) {
1191         vout_display_cfg_t cfg_windowed = *cfg;
1192         cfg_windowed.is_fullscreen  = false;
1193         cfg_windowed.display.width  = 0;
1194         cfg_windowed.display.height = 0;
1195         vout_display_GetDefaultDisplaySize(&osys->width_saved,
1196                                            &osys->height_saved,
1197                                            source_org, &cfg_windowed);
1198     }
1199     osys->zoom.num = cfg->zoom.num;
1200     osys->zoom.den = cfg->zoom.den;
1201     osys->wm_state = state->wm_state;
1202     osys->fit_window = 0;
1203     osys->event.fifo = NULL;
1204
1205     osys->source = *source_org;
1206
1207     video_format_t source = *source_org;
1208
1209     source.i_x_offset =
1210     osys->crop.x  = 0;
1211     source.i_y_offset =
1212     osys->crop.y  = 0;
1213     source.i_visible_width  =
1214     osys->crop.width    = source.i_width;
1215     source.i_visible_height =
1216     osys->crop.height   = source.i_height;
1217     osys->crop_saved.num = 0;
1218     osys->crop_saved.den = 0;
1219     osys->crop.num = 0;
1220     osys->crop.den = 0;
1221
1222     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1223     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1224 #ifdef ALLOW_DUMMY_VOUT
1225     vlc_mouse_Init(&osys->vout_mouse);
1226 #endif
1227
1228     vout_display_owner_t owner;
1229     if (owner_ptr) {
1230         owner = *owner_ptr;
1231     } else {
1232         owner.event      = VoutDisplayEvent;
1233         owner.window_new = VoutDisplayNewWindow;
1234         owner.window_del = VoutDisplayDelWindow;
1235     }
1236     owner.sys = osys;
1237
1238     /* */
1239     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1240                                                  module, !is_wrapper,
1241                                                  &source, cfg, &owner);
1242     if (!p_display) {
1243         free(osys);
1244         return NULL;
1245     }
1246
1247     VoutDisplayCreateRender(p_display);
1248
1249     /* Setup delayed request */
1250     if (osys->sar.num != source_org->i_sar_num ||
1251         osys->sar.den != source_org->i_sar_den)
1252         osys->ch_sar = true;
1253     if (osys->wm_state != osys->wm_state_initial)
1254         osys->ch_wm_state = true;
1255     if (osys->crop.x      != source_org->i_x_offset ||
1256         osys->crop.y      != source_org->i_y_offset ||
1257         osys->crop.width  != source_org->i_visible_width ||
1258         osys->crop.height != source_org->i_visible_height)
1259         osys->ch_crop = true;
1260
1261     return p_display;
1262 }
1263
1264 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1265 {
1266     vout_display_owner_sys_t *osys = vd->owner.sys;
1267
1268     if (state) {
1269         if (!osys->is_wrapper )
1270             state->cfg = osys->cfg;
1271         state->wm_state = osys->wm_state;
1272         state->sar.num  = osys->sar_initial.num;
1273         state->sar.den  = osys->sar_initial.den;
1274     }
1275
1276     VoutDisplayDestroyRender(vd);
1277     if (osys->is_wrapper)
1278         SplitterClose(vd);
1279     vout_display_Delete(vd);
1280     if (osys->event.fifo) {
1281         block_FifoWake(osys->event.fifo);
1282         vlc_join(osys->event.thread, NULL);
1283         block_FifoRelease(osys->event.fifo);
1284     }
1285     vlc_mutex_destroy(&osys->lock);
1286     free(osys);
1287 }
1288
1289 /*****************************************************************************
1290  *
1291  *****************************************************************************/
1292 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1293                                 const video_format_t *source,
1294                                 const vout_display_state_t *state,
1295                                 const char *module,
1296                                 mtime_t double_click_timeout,
1297                                 mtime_t hide_timeout)
1298 {
1299     return DisplayNew(vout, source, state, module, false, NULL,
1300                       double_click_timeout, hide_timeout, NULL);
1301 }
1302
1303 /*****************************************************************************
1304  *
1305  *****************************************************************************/
1306 struct vout_display_sys_t {
1307     picture_pool_t   *pool;
1308     video_splitter_t *splitter;
1309
1310     /* */
1311     int            count;
1312     picture_t      **picture;
1313     vout_display_t **display;
1314 };
1315 struct video_splitter_owner_t {
1316     vout_display_t *wrapper;
1317 };
1318
1319 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1320 {
1321     vout_display_owner_sys_t *osys = vd->owner.sys;
1322
1323     vout_window_cfg_t cfg = *cfg_ptr;
1324     cfg.is_standalone = true;
1325     cfg.x += 0;//output->window.i_x; FIXME
1326     cfg.y += 0;//output->window.i_y;
1327
1328     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1329 }
1330 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1331 {
1332     vout_display_owner_sys_t *osys = vd->owner.sys;
1333
1334     vout_DeleteDisplayWindow(osys->vout, vd, window);
1335 }
1336 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1337 {
1338     //vout_display_owner_sys_t *osys = vd->owner.sys;
1339
1340     switch (event) {
1341 #if 0
1342     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1343     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1344     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1345     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1346         /* TODO */
1347         break;
1348 #endif
1349     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1350     case VOUT_DISPLAY_EVENT_KEY:
1351     case VOUT_DISPLAY_EVENT_CLOSE:
1352     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1353     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1354     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1355         VoutDisplayEvent(vd, event, args);
1356         break;
1357
1358     default:
1359         msg_Err(vd, "SplitterEvent TODO");
1360         break;
1361     }
1362 }
1363
1364 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1365 {
1366     vout_display_sys_t *sys = vd->sys;
1367     if (!sys->pool)
1368         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1369     return sys->pool;
1370 }
1371 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1372 {
1373     vout_display_sys_t *sys = vd->sys;
1374
1375     picture_Hold(picture);
1376
1377     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1378         for (int i = 0; i < sys->count; i++)
1379             sys->picture[i] = NULL;
1380         picture_Release(picture);
1381         return;
1382     }
1383
1384     for (int i = 0; i < sys->count; i++) {
1385         if (vout_IsDisplayFiltered(sys->display[i]))
1386             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1387         if (sys->picture[i])
1388             vout_display_Prepare(sys->display[i], sys->picture[i]);
1389     }
1390 }
1391 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1392 {
1393     vout_display_sys_t *sys = vd->sys;
1394
1395     for (int i = 0; i < sys->count; i++) {
1396         if (sys->picture[i])
1397             vout_display_Display(sys->display[i], sys->picture[i]);
1398     }
1399     picture_Release(picture);
1400 }
1401 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1402 {
1403     return VLC_EGENERIC;
1404 }
1405 static void SplitterManage(vout_display_t *vd)
1406 {
1407     vout_display_sys_t *sys = vd->sys;
1408
1409     for (int i = 0; i < sys->count; i++)
1410         vout_ManageDisplay(sys->display[i], true);
1411 }
1412
1413 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1414 {
1415     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1416
1417     for (int i = 0; i < wsys->count; i++) {
1418         if (vout_IsDisplayFiltered(wsys->display[i])) {
1419             /* TODO use a pool ? */
1420             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1421         } else {
1422             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1423             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1424         }
1425         if (!picture[i]) {
1426             for (int j = 0; j < i; j++)
1427                 picture_Release(picture[j]);
1428             return VLC_EGENERIC;
1429         }
1430     }
1431     return VLC_SUCCESS;
1432 }
1433 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1434 {
1435     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1436
1437     for (int i = 0; i < wsys->count; i++)
1438         picture_Release(picture[i]);
1439 }
1440 static void SplitterClose(vout_display_t *vd)
1441 {
1442     vout_display_sys_t *sys = vd->sys;
1443
1444     /* */
1445     video_splitter_t *splitter = sys->splitter;
1446     free(splitter->p_owner);
1447     video_splitter_Delete(splitter);
1448
1449     if (sys->pool)
1450         picture_pool_Delete(sys->pool);
1451
1452     /* */
1453     for (int i = 0; i < sys->count; i++)
1454         vout_DeleteDisplay(sys->display[i], NULL);
1455     TAB_CLEAN(sys->count, sys->display);
1456     free(sys->picture);
1457
1458     free(sys);
1459 }
1460
1461 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1462                                  const video_format_t *source,
1463                                  const vout_display_state_t *state,
1464                                  const char *module,
1465                                  const char *splitter_module,
1466                                  mtime_t double_click_timeout,
1467                                  mtime_t hide_timeout)
1468 {
1469     video_splitter_t *splitter =
1470         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1471     if (!splitter)
1472         return NULL;
1473
1474     /* */
1475     vout_display_t *wrapper =
1476         DisplayNew(vout, source, state, module, true, NULL,
1477                     double_click_timeout, hide_timeout, NULL);
1478     if (!wrapper) {
1479         video_splitter_Delete(splitter);
1480         return NULL;
1481     }
1482     vout_display_sys_t *sys = malloc(sizeof(*sys));
1483     if (!sys)
1484         abort();
1485     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1486     if (!sys->picture )
1487         abort();
1488     sys->splitter = splitter;
1489     sys->pool     = NULL;
1490
1491     wrapper->pool    = SplitterPool;
1492     wrapper->prepare = SplitterPrepare;
1493     wrapper->display = SplitterDisplay;
1494     wrapper->control = SplitterControl;
1495     wrapper->manage  = SplitterManage;
1496     wrapper->sys     = sys;
1497
1498     /* */
1499     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1500     if (!owner)
1501         abort();
1502     owner->wrapper = wrapper;
1503     splitter->p_owner = owner;
1504     splitter->pf_picture_new = SplitterPictureNew;
1505     splitter->pf_picture_del = SplitterPictureDel;
1506
1507     /* */
1508     TAB_INIT(sys->count, sys->display);
1509     for (int i = 0; i < splitter->i_output; i++) {
1510         vout_display_owner_t owner;
1511
1512         owner.event      = SplitterEvent;
1513         owner.window_new = SplitterNewWindow;
1514         owner.window_del = SplitterDelWindow;
1515
1516         const video_splitter_output_t *output = &splitter->p_output[i];
1517         vout_display_state_t ostate;
1518
1519         memset(&ostate, 0, sizeof(ostate));
1520         ostate.cfg.is_fullscreen = false;
1521         ostate.cfg.display = state->cfg.display;
1522         ostate.cfg.align.horizontal = 0; /* TODO */
1523         ostate.cfg.align.vertical = 0; /* TODO */
1524         ostate.cfg.is_display_filled = true;
1525         ostate.cfg.zoom.num = 1;
1526         ostate.cfg.zoom.den = 1;
1527
1528         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1529                                            output->psz_module ? output->psz_module : module,
1530                                            false, wrapper,
1531                                            double_click_timeout, hide_timeout, &owner);
1532         if (!vd) {
1533             vout_DeleteDisplay(wrapper, NULL);
1534             return NULL;
1535         }
1536         TAB_APPEND(sys->count, sys->display, vd);
1537     }
1538
1539     return wrapper;
1540 }
1541
1542 /*****************************************************************************
1543  * TODO move out
1544  *****************************************************************************/
1545 #include "vout_internal.h"
1546 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1547 {
1548     vlc_mouse_t tmp;
1549
1550     /* The check on p_spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1551     if (vout->p->p_spu && spu_ProcessMouse( vout->p->p_spu, m, &vout->p->display.vd->source))
1552         return;
1553
1554     vlc_mutex_lock( &vout->p->vfilter_lock );
1555     if (vout->p->vfilter_chain) {
1556         if (!filter_chain_MouseFilter(vout->p->vfilter_chain, &tmp, m))
1557             m = &tmp;
1558     }
1559     vlc_mutex_unlock( &vout->p->vfilter_lock );
1560
1561     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1562         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1563     }
1564     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1565         static const int buttons[] = {
1566             MOUSE_BUTTON_LEFT,
1567             MOUSE_BUTTON_CENTER,
1568             MOUSE_BUTTON_RIGHT,
1569             MOUSE_BUTTON_WHEEL_UP,
1570             MOUSE_BUTTON_WHEEL_DOWN,
1571             -1
1572         };
1573         for (int i = 0; buttons[i] >= 0; i++) {
1574             const int button = buttons[i];
1575             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1576                 vout_SendEventMousePressed(vout, button);
1577             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1578                 vout_SendEventMouseReleased(vout, button);
1579         }
1580     }
1581     if (m->b_double_click)
1582         vout_SendEventMouseDoubleClick(vout);
1583     vout->p->mouse = *m;
1584 }
1585 #ifdef ALLOW_DUMMY_VOUT
1586 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1587 {
1588     vout_thread_sys_t p;
1589
1590     if (!vout->p) {
1591         p.mouse = *fallback;
1592         vlc_mutex_init(&p.vfilter_lock);
1593         p.vfilter_chain = NULL;
1594         p.p_spu = NULL;
1595         vout->p = &p;
1596     }
1597     vout_SendDisplayEventMouse(vout, m);
1598     if (vout->p == &p) {
1599         vlc_mutex_destroy(&p.vfilter_lock);
1600         *fallback = p.mouse;
1601         vout->p = NULL;
1602     }
1603 }
1604 #endif
1605