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
 555         int cancel = vlc_savecancel();
 556
 557         int key;
 558         memcpy(&key, event->p_buffer, sizeof(key));
 559         vout_SendEventKey(osys->vout, key);
 560         block_Release(event);
 561
 562         vlc_restorecancel(cancel);
 563     }
 564 }
 565
 566 static void VoutDisplayEventKey(vout_display_t *vd, int key)
 567 {
 568     vout_display_owner_sys_t *osys = vd->owner.sys;
 569
 570     if (!osys->event.fifo) {
 571         osys->event.fifo = block_FifoNew();
 572         if (!osys->event.fifo)
 573             return;
 574         if (vlc_clone(&osys->event.thread, VoutDisplayEventKeyDispatch,
 575                       vd, VLC_THREAD_PRIORITY_LOW)) {
 576             block_FifoRelease(osys->event.fifo);
 577             osys->event.fifo = NULL;
 578             return;
 579         }
 580     }
 581     block_t *event = block_Alloc(sizeof(key));
 582     if (event) {
 583         memcpy(event->p_buffer, &key, sizeof(key));
 584         block_FifoPut(osys->event.fifo, event);
 585     }
 586 }
 587
 588 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 589 {
 590     vout_display_owner_sys_t *osys = vd->owner.sys;
 591
 592     switch (event) {
 593     case VOUT_DISPLAY_EVENT_CLOSE: {
 594         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 595         vout_SendEventClose(osys->vout);
 596         break;
 597     }
 598     case VOUT_DISPLAY_EVENT_KEY: {
 599         const int key = (int)va_arg(args, int);
 600         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 601         if (vd->info.has_event_thread)
 602             vout_SendEventKey(osys->vout, key);
 603         else
 604             VoutDisplayEventKey(vd, key);
 605         break;
 606     }
 607     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 608     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 609     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 610     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 611     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 612         VoutDisplayEventMouse(vd, event, args);
 613         break;
 614
 615     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 616         const int is_fullscreen = (int)va_arg(args, int);
 617
 618         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 619
 620         vlc_mutex_lock(&osys->lock);
 621         if (!is_fullscreen != !osys->is_fullscreen) {
 622             osys->ch_fullscreen = true;
 623             osys->is_fullscreen = is_fullscreen;
 624         }
 625         vlc_mutex_unlock(&osys->lock);
 626         break;
 627     }
 628
 629     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 630         const unsigned state = va_arg(args, unsigned);
 631
 632         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 633
 634         vlc_mutex_lock(&osys->lock);
 635         if (state != osys->wm_state) {
 636             osys->ch_wm_state = true;
 637             osys->wm_state = state;
 638         }
 639         vlc_mutex_unlock(&osys->lock);
 640         break;
 641     }
 642
 643     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 644         const int width  = (int)va_arg(args, int);
 645         const int height = (int)va_arg(args, int);
 646         const bool is_fullscreen = (bool)va_arg(args, int);
 647         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 648                 width, height, is_fullscreen ? "fullscreen" : "window");
 649
 650         /* */
 651         vlc_mutex_lock(&osys->lock);
 652
 653         osys->ch_display_size       = true;
 654         osys->display_width         = width;
 655         osys->display_height        = height;
 656         osys->display_is_fullscreen = is_fullscreen;
 657         osys->display_is_forced     = false;
 658
 659         vlc_mutex_unlock(&osys->lock);
 660         break;
 661     }
 662
 663     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 664         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 665
 666         /* */
 667         assert(vd->info.has_pictures_invalid);
 668
 669         vlc_mutex_lock(&osys->lock);
 670         osys->reset_pictures = true;
 671         vlc_mutex_unlock(&osys->lock);
 672         break;
 673     }
 674     default:
 675         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 676         /* TODO add an assert when all event are handled */
 677         break;
 678     }
 679 }
 680
 681 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 682 {
 683     vout_display_owner_sys_t *osys = vd->owner.sys;
 684
 685     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 686 }
 687 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 688 {
 689     vout_display_owner_sys_t *osys = vd->owner.sys;
 690
 691     vout_DeleteDisplayWindow(osys->vout, vd, window);
 692 }
 693
 694 static void VoutDisplayFitWindow(vout_display_t *vd, bool default_size)
 695 {
 696     vout_display_owner_sys_t *osys = vd->owner.sys;
 697     vout_display_cfg_t cfg = osys->cfg;
 698
 699     if (!cfg.is_display_filled)
 700         return;
 701
 702     cfg.display.width = 0;
 703     if (default_size) {
 704         cfg.display.height = 0;
 705     } else {
 706         cfg.display.height = osys->height_saved;
 707         cfg.zoom.num = 1;
 708         cfg.zoom.den = 1;
 709     }
 710
 711     unsigned display_width;
 712     unsigned display_height;
 713     vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 714                                        &vd->source, &cfg);
 715
 716     vlc_mutex_lock(&osys->lock);
 717
 718     osys->ch_display_size       = true;
 719     osys->display_width         = display_width;
 720     osys->display_height        = display_height;
 721     osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 722     osys->display_is_forced     = true;
 723
 724     vlc_mutex_unlock(&osys->lock);
 725 }
 726
 727 static void VoutDisplayCropRatio(unsigned *x, unsigned *y,
 728                                  unsigned *width, unsigned *height,
 729                                  const video_format_t *source,
 730                                  unsigned num, unsigned den)
 731 {
 732     unsigned scaled_width  = (uint64_t)source->i_visible_height * num * source->i_sar_den / den / source->i_sar_num;
 733     unsigned scaled_height = (uint64_t)source->i_visible_width  * den * source->i_sar_num / num / source->i_sar_den;
 734
 735     if (scaled_width < source->i_visible_width) {
 736         *x      = (source->i_visible_width - scaled_width) / 2;
 737         *y      = 0;
 738         *width  = scaled_width;
 739         *height = source->i_visible_height;
 740     } else {
 741         *x      = 0;
 742         *y      = (source->i_visible_height - scaled_height) / 2;
 743         *width  = source->i_visible_width;
 744         *height = scaled_height;
 745     }
 746     *x += source->i_x_offset;
 747     *y += source->i_y_offset;
 748 }
 749
 750 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 751 {
 752     vout_display_owner_sys_t *osys = vd->owner.sys;
 753
 754     vout_display_Manage(vd);
 755
 756     /* Handle mouse timeout */
 757     const mtime_t date = mdate();
 758     bool  hide_mouse = false;
 759
 760     vlc_mutex_lock(&osys->lock);
 761
 762     if (!osys->mouse.is_hidden &&
 763         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 764         osys->mouse.is_hidden = hide_mouse = true;
 765     } else if (osys->mouse.ch_activity) {
 766         osys->mouse.is_hidden = false;
 767     }
 768     osys->mouse.ch_activity = false;
 769     vlc_mutex_unlock(&osys->lock);
 770
 771     if (hide_mouse) {
 772         if (!vd->info.has_hide_mouse) {
 773             msg_Dbg(vd, "auto hidding mouse");
 774             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 775         }
 776         vout_SendEventMouseHidden(osys->vout);
 777     }
 778
 779     bool reset_render = false;
 780     for (;;) {
 781
 782         vlc_mutex_lock(&osys->lock);
 783
 784         bool ch_fullscreen  = osys->ch_fullscreen;
 785         bool is_fullscreen  = osys->is_fullscreen;
 786         osys->ch_fullscreen = false;
 787
 788         bool ch_wm_state  = osys->ch_wm_state;
 789         unsigned wm_state  = osys->wm_state;
 790         osys->ch_wm_state = false;
 791
 792         bool ch_display_size       = osys->ch_display_size;
 793         int  display_width         = osys->display_width;
 794         int  display_height        = osys->display_height;
 795         bool display_is_fullscreen = osys->display_is_fullscreen;
 796         bool display_is_forced     = osys->display_is_forced;
 797         osys->ch_display_size = false;
 798
 799         bool reset_pictures;
 800         if (allow_reset_pictures) {
 801             reset_pictures = osys->reset_pictures;
 802             osys->reset_pictures = false;
 803         } else {
 804             reset_pictures = false;
 805         }
 806
 807         vlc_mutex_unlock(&osys->lock);
 808
 809         if (!ch_fullscreen &&
 810             !ch_display_size &&
 811             !reset_pictures &&
 812             !osys->ch_display_filled &&
 813             !osys->ch_zoom &&
 814             !ch_wm_state &&
 815             !osys->ch_sar &&
 816             !osys->ch_crop) {
 817
 818             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 819                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 820                 osys->fit_window = 0;
 821                 continue;
 822             }
 823             break;
 824         }
 825
 826         /* */
 827         if (ch_fullscreen) {
 828             vout_display_cfg_t cfg = osys->cfg;
 829
 830             cfg.is_fullscreen  = is_fullscreen;
 831             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 832             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 833
 834             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 835                 msg_Err(vd, "Failed to set fullscreen");
 836                 is_fullscreen = osys->cfg.is_fullscreen;
 837             } else if (!is_fullscreen) {
 838                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, true);
 839             }
 840             osys->cfg.is_fullscreen = is_fullscreen;
 841
 842             /* */
 843             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 844         }
 845
 846         /* */
 847         if (ch_display_size) {
 848             vout_display_cfg_t cfg = osys->cfg;
 849             cfg.display.width  = display_width;
 850             cfg.display.height = display_height;
 851
 852             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 853                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 854                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 855                     msg_Err(vd, "Failed to resize display");
 856
 857                 /* We ignore the resized */
 858                 display_width  = osys->cfg.display.width;
 859                 display_height = osys->cfg.display.height;
 860             }
 861             osys->cfg.display.width  = display_width;
 862             osys->cfg.display.height = display_height;
 863
 864             if (!display_is_fullscreen) {
 865                 osys->width_saved  = display_width;
 866                 osys->height_saved = display_height;
 867             }
 868         }
 869         /* */
 870         if (osys->ch_display_filled) {
 871             vout_display_cfg_t cfg = osys->cfg;
 872
 873             cfg.is_display_filled = osys->is_display_filled;
 874
 875             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 876                 msg_Err(vd, "Failed to change display filled state");
 877                 osys->is_display_filled = osys->cfg.is_display_filled;
 878             }
 879             osys->cfg.is_display_filled = osys->is_display_filled;
 880             osys->ch_display_filled = false;
 881
 882             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 883         }
 884         /* */
 885         if (osys->ch_zoom) {
 886             vout_display_cfg_t cfg = osys->cfg;
 887
 888             cfg.zoom.num = osys->zoom.num;
 889             cfg.zoom.den = osys->zoom.den;
 890
 891             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 892                 cfg.zoom.num = 1;
 893                 cfg.zoom.den = 10;
 894             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 895                 cfg.zoom.num = 10;
 896                 cfg.zoom.den = 1;
 897             }
 898
 899             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 900                 msg_Err(vd, "Failed to change zoom");
 901                 osys->zoom.num = osys->cfg.zoom.num;
 902                 osys->zoom.den = osys->cfg.zoom.den;
 903             } else {
 904                 osys->fit_window = -1;
 905             }
 906
 907             osys->cfg.zoom.num = osys->zoom.num;
 908             osys->cfg.zoom.den = osys->zoom.den;
 909             osys->ch_zoom = false;
 910
 911             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 912         }
 913         /* */
 914         if (ch_wm_state) {
 915             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 916                 msg_Err(vd, "Failed to set on top");
 917                 wm_state = osys->wm_state;
 918             }
 919             osys->wm_state_initial = wm_state;
 920
 921             /* */
 922             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 923         }
 924         /* */
 925         if (osys->ch_sar) {
 926             video_format_t source = vd->source;
 927
 928             if (osys->sar.num > 0 && osys->sar.den > 0) {
 929                 source.i_sar_num = osys->sar.num;
 930                 source.i_sar_den = osys->sar.den;
 931             } else {
 932                 source.i_sar_num = osys->source.i_sar_num;
 933                 source.i_sar_den = osys->source.i_sar_den;
 934             }
 935
 936             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 937                 /* There nothing much we can do. The only reason a vout display
 938                  * does not support it is because it need the core to add black border
 939                  * to the video for it.
 940                  * TODO add black borders ?
 941                  */
 942                 msg_Err(vd, "Failed to change source AR");
 943                 source = vd->source;
 944             } else if (!osys->fit_window) {
 945                 osys->fit_window = 1;
 946             }
 947             vd->source = source;
 948             osys->sar.num = source.i_sar_num;
 949             osys->sar.den = source.i_sar_den;
 950             osys->ch_sar  = false;
 951
 952             /* */
 953             if (osys->sar.num == osys->source.i_sar_num &&
 954                 osys->sar.den == osys->source.i_sar_den)
 955             {
 956                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 957             }
 958             else
 959             {
 960                 unsigned dar_num, dar_den;
 961                 vlc_ureduce( &dar_num, &dar_den,
 962                              osys->sar.num * vd->source.i_visible_width,
 963                              osys->sar.den * vd->source.i_visible_height,
 964                              65536);
 965                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 966             }
 967             /* If a crop ratio is requested, recompute the parameters */
 968             if (osys->crop.num > 0 && osys->crop.den > 0)
 969                 osys->ch_crop = true;
 970         }
 971         /* */
 972         if (osys->ch_crop) {
 973             video_format_t source = vd->source;
 974
 975             unsigned crop_num = osys->crop.num;
 976             unsigned crop_den = osys->crop.den;
 977             if (crop_num > 0 && crop_den > 0) {
 978                 video_format_t fmt = osys->source;
 979                 fmt.i_sar_num = source.i_sar_num;
 980                 fmt.i_sar_den = source.i_sar_den;
 981                 VoutDisplayCropRatio(&osys->crop.x, &osys->crop.y,
 982                                      &osys->crop.width, &osys->crop.height,
 983                                      &fmt, crop_num, crop_den);
 984             }
 985
 986             source.i_x_offset       = osys->crop.x;
 987             source.i_y_offset       = osys->crop.y;
 988             source.i_visible_width  = osys->crop.width;
 989             source.i_visible_height = osys->crop.height;
 990
 991             /* */
 992             const bool is_valid = source.i_x_offset < source.i_width &&
 993                                   source.i_y_offset < source.i_height &&
 994                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
 995                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
 996                                   source.i_visible_width > 0 && source.i_visible_height > 0;
 997
 998             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
 999                 if (is_valid)
1000                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
1001                 else
1002                     msg_Err(vd, "Invalid crop requested");
1003
1004                 source = vd->source;
1005                 crop_num = osys->crop_saved.num;
1006                 crop_den = osys->crop_saved.den;
1007                 /* FIXME implement cropping in the core if not supported by the
1008                  * vout module (easy)
1009                  */
1010             } else if (!osys->fit_window) {
1011                 osys->fit_window = 1;
1012             }
1013             vd->source = source;
1014             osys->crop.x      = source.i_x_offset;
1015             osys->crop.y      = source.i_y_offset;
1016             osys->crop.width  = source.i_visible_width;
1017             osys->crop.height = source.i_visible_height;
1018             osys->crop.num    = crop_num;
1019             osys->crop.den    = crop_den;
1020             osys->ch_crop = false;
1021
1022             /* TODO fix when a ratio is used (complicated). */
1023             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
1024             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
1025             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
1026             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
1027             vout_SendEventSourceCrop(osys->vout,
1028                                      osys->crop.num, osys->crop.den,
1029                                      left, top, right, bottom);
1030         }
1031
1032         /* */
1033         if (reset_pictures) {
1034             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
1035                 /* FIXME what to do here ? */
1036                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
1037             }
1038             reset_render = true;
1039         }
1040     }
1041     if (reset_render)
1042         VoutDisplayResetRender(vd);
1043 }
1044
1045 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
1046 {
1047     vout_display_owner_sys_t *osys = vd->owner.sys;
1048
1049     vlc_mutex_lock(&osys->lock);
1050     const bool reset_pictures = osys->reset_pictures;
1051     vlc_mutex_unlock(&osys->lock);
1052
1053     return reset_pictures;
1054 }
1055
1056 bool vout_IsDisplayFiltered(vout_display_t *vd)
1057 {
1058     vout_display_owner_sys_t *osys = vd->owner.sys;
1059
1060     return osys->filters != NULL;
1061 }
1062
1063 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
1064 {
1065     vout_display_owner_sys_t *osys = vd->owner.sys;
1066
1067     assert(osys->filters);
1068     return filter_chain_VideoFilter(osys->filters, picture);
1069 }
1070
1071 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
1072 {
1073     vout_display_owner_sys_t *osys = vd->owner.sys;
1074
1075     vlc_mutex_lock(&osys->lock);
1076     if (!osys->is_fullscreen != !is_fullscreen) {
1077         osys->ch_fullscreen = true;
1078         osys->is_fullscreen = is_fullscreen;
1079     }
1080     vlc_mutex_unlock(&osys->lock);
1081 }
1082
1083 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
1084 {
1085     vout_display_owner_sys_t *osys = vd->owner.sys;
1086
1087     if (!osys->is_display_filled != !is_filled) {
1088         osys->ch_display_filled = true;
1089         osys->is_display_filled = is_filled;
1090     }
1091 }
1092
1093 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1094 {
1095     vout_display_owner_sys_t *osys = vd->owner.sys;
1096
1097     if (osys->is_display_filled ||
1098         osys->zoom.num != num || osys->zoom.den != den) {
1099         osys->ch_zoom = true;
1100         osys->zoom.num = num;
1101         osys->zoom.den = den;
1102     }
1103 }
1104
1105 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1106 {
1107     vout_display_owner_sys_t *osys = vd->owner.sys;
1108
1109     vlc_mutex_lock(&osys->lock);
1110     if (osys->wm_state != state) {
1111         osys->ch_wm_state = true;
1112         osys->wm_state = state;
1113     }
1114     vlc_mutex_unlock(&osys->lock);
1115 }
1116
1117 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
1118 {
1119     vout_display_owner_sys_t *osys = vd->owner.sys;
1120
1121     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1122         osys->ch_sar = true;
1123         osys->sar.num = sar_num;
1124         osys->sar.den = sar_den;
1125     }
1126 }
1127 void vout_SetDisplayCrop(vout_display_t *vd,
1128                          unsigned crop_num, unsigned crop_den,
1129                          unsigned x, unsigned y, unsigned width, unsigned height)
1130 {
1131     vout_display_owner_sys_t *osys = vd->owner.sys;
1132
1133     if (osys->crop.x != x || osys->crop.y != y ||
1134         osys->crop.width  != width || osys->crop.height != height ||
1135         (crop_num > 0 && crop_den > 0 &&
1136          (crop_num != osys->crop.num || crop_den != osys->crop.den))) {
1137
1138         osys->crop.x      = x;
1139         osys->crop.y      = y;
1140         osys->crop.width  = width;
1141         osys->crop.height = height;
1142         osys->crop.num    = crop_num;
1143         osys->crop.den    = crop_den;
1144
1145         osys->ch_crop = true;
1146     }
1147 }
1148 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1149 {
1150     vout_opengl_t *gl;
1151     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1152         return NULL;
1153     return gl;
1154 }
1155
1156 static vout_display_t *DisplayNew(vout_thread_t *vout,
1157                                   const video_format_t *source_org,
1158                                   const vout_display_state_t *state,
1159                                   const char *module,
1160                                   bool is_wrapper, vout_display_t *wrapper,
1161                                   mtime_t double_click_timeout,
1162                                   mtime_t hide_timeout,
1163                                   const vout_display_owner_t *owner_ptr)
1164 {
1165     /* */
1166     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1167     vout_display_cfg_t *cfg = &osys->cfg;
1168
1169     *cfg = state->cfg;
1170     osys->wm_state_initial = -1;
1171     osys->sar_initial.num = state->sar.num;
1172     osys->sar_initial.den = state->sar.den;
1173     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1174                                        source_org, cfg);
1175
1176     osys->vout = vout;
1177     osys->is_wrapper = is_wrapper;
1178     osys->wrapper = wrapper;
1179
1180     vlc_mutex_init(&osys->lock);
1181
1182     vlc_mouse_Init(&osys->mouse.state);
1183     osys->mouse.last_moved = mdate();
1184     osys->mouse.double_click_timeout = double_click_timeout;
1185     osys->mouse.hide_timeout = hide_timeout;
1186     osys->is_fullscreen  = cfg->is_fullscreen;
1187     osys->display_width  = cfg->display.width;
1188     osys->display_height = cfg->display.height;
1189     osys->is_display_filled = cfg->is_display_filled;
1190     osys->width_saved    = cfg->display.width;
1191     osys->height_saved   = cfg->display.height;
1192     if (osys->is_fullscreen) {
1193         vout_display_cfg_t cfg_windowed = *cfg;
1194         cfg_windowed.is_fullscreen  = false;
1195         cfg_windowed.display.width  = 0;
1196         cfg_windowed.display.height = 0;
1197         vout_display_GetDefaultDisplaySize(&osys->width_saved,
1198                                            &osys->height_saved,
1199                                            source_org, &cfg_windowed);
1200     }
1201     osys->zoom.num = cfg->zoom.num;
1202     osys->zoom.den = cfg->zoom.den;
1203     osys->wm_state = state->wm_state;
1204     osys->fit_window = 0;
1205     osys->event.fifo = NULL;
1206
1207     osys->source = *source_org;
1208
1209     video_format_t source = *source_org;
1210
1211     source.i_x_offset =
1212     osys->crop.x  = 0;
1213     source.i_y_offset =
1214     osys->crop.y  = 0;
1215     source.i_visible_width  =
1216     osys->crop.width    = source.i_width;
1217     source.i_visible_height =
1218     osys->crop.height   = source.i_height;
1219     osys->crop_saved.num = 0;
1220     osys->crop_saved.den = 0;
1221     osys->crop.num = 0;
1222     osys->crop.den = 0;
1223
1224     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1225     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1226 #ifdef ALLOW_DUMMY_VOUT
1227     vlc_mouse_Init(&osys->vout_mouse);
1228 #endif
1229
1230     vout_display_owner_t owner;
1231     if (owner_ptr) {
1232         owner = *owner_ptr;
1233     } else {
1234         owner.event      = VoutDisplayEvent;
1235         owner.window_new = VoutDisplayNewWindow;
1236         owner.window_del = VoutDisplayDelWindow;
1237     }
1238     owner.sys = osys;
1239
1240     /* */
1241     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1242                                                  module, !is_wrapper,
1243                                                  &source, cfg, &owner);
1244     if (!p_display) {
1245         free(osys);
1246         return NULL;
1247     }
1248
1249     VoutDisplayCreateRender(p_display);
1250
1251     /* Setup delayed request */
1252     if (osys->sar.num != source_org->i_sar_num ||
1253         osys->sar.den != source_org->i_sar_den)
1254         osys->ch_sar = true;
1255     if (osys->wm_state != osys->wm_state_initial)
1256         osys->ch_wm_state = true;
1257     if (osys->crop.x      != source_org->i_x_offset ||
1258         osys->crop.y      != source_org->i_y_offset ||
1259         osys->crop.width  != source_org->i_visible_width ||
1260         osys->crop.height != source_org->i_visible_height)
1261         osys->ch_crop = true;
1262
1263     return p_display;
1264 }
1265
1266 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1267 {
1268     vout_display_owner_sys_t *osys = vd->owner.sys;
1269
1270     if (state) {
1271         if (!osys->is_wrapper )
1272             state->cfg = osys->cfg;
1273         state->wm_state = osys->wm_state;
1274         state->sar.num  = osys->sar_initial.num;
1275         state->sar.den  = osys->sar_initial.den;
1276     }
1277
1278     VoutDisplayDestroyRender(vd);
1279     if (osys->is_wrapper)
1280         SplitterClose(vd);
1281     vout_display_Delete(vd);
1282     if (osys->event.fifo) {
1283         vlc_cancel(osys->event.thread);
1284         block_FifoRelease(osys->event.fifo);
1285     }
1286     vlc_mutex_destroy(&osys->lock);
1287     free(osys);
1288 }
1289
1290 /*****************************************************************************
1291  *
1292  *****************************************************************************/
1293 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1294                                 const video_format_t *source,
1295                                 const vout_display_state_t *state,
1296                                 const char *module,
1297                                 mtime_t double_click_timeout,
1298                                 mtime_t hide_timeout)
1299 {
1300     return DisplayNew(vout, source, state, module, false, NULL,
1301                       double_click_timeout, hide_timeout, NULL);
1302 }
1303
1304 /*****************************************************************************
1305  *
1306  *****************************************************************************/
1307 struct vout_display_sys_t {
1308     picture_pool_t   *pool;
1309     video_splitter_t *splitter;
1310
1311     /* */
1312     int            count;
1313     picture_t      **picture;
1314     vout_display_t **display;
1315 };
1316 struct video_splitter_owner_t {
1317     vout_display_t *wrapper;
1318 };
1319
1320 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1321 {
1322     vout_display_owner_sys_t *osys = vd->owner.sys;
1323
1324     vout_window_cfg_t cfg = *cfg_ptr;
1325     cfg.is_standalone = true;
1326     cfg.x += 0;//output->window.i_x; FIXME
1327     cfg.y += 0;//output->window.i_y;
1328
1329     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1330 }
1331 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1332 {
1333     vout_display_owner_sys_t *osys = vd->owner.sys;
1334
1335     vout_DeleteDisplayWindow(osys->vout, vd, window);
1336 }
1337 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1338 {
1339     //vout_display_owner_sys_t *osys = vd->owner.sys;
1340
1341     switch (event) {
1342 #if 0
1343     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1344     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1345     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1346     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1347         /* TODO */
1348         break;
1349 #endif
1350     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1351     case VOUT_DISPLAY_EVENT_KEY:
1352     case VOUT_DISPLAY_EVENT_CLOSE:
1353     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1354     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1355     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1356         VoutDisplayEvent(vd, event, args);
1357         break;
1358
1359     default:
1360         msg_Err(vd, "SplitterEvent TODO");
1361         break;
1362     }
1363 }
1364
1365 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1366 {
1367     vout_display_sys_t *sys = vd->sys;
1368     if (!sys->pool)
1369         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1370     return sys->pool;
1371 }
1372 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1373 {
1374     vout_display_sys_t *sys = vd->sys;
1375
1376     picture_Hold(picture);
1377
1378     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1379         for (int i = 0; i < sys->count; i++)
1380             sys->picture[i] = NULL;
1381         picture_Release(picture);
1382         return;
1383     }
1384
1385     for (int i = 0; i < sys->count; i++) {
1386         if (vout_IsDisplayFiltered(sys->display[i]))
1387             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1388         if (sys->picture[i])
1389             vout_display_Prepare(sys->display[i], sys->picture[i]);
1390     }
1391 }
1392 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1393 {
1394     vout_display_sys_t *sys = vd->sys;
1395
1396     for (int i = 0; i < sys->count; i++) {
1397         if (sys->picture[i])
1398             vout_display_Display(sys->display[i], sys->picture[i]);
1399     }
1400     picture_Release(picture);
1401 }
1402 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1403 {
1404     return VLC_EGENERIC;
1405 }
1406 static void SplitterManage(vout_display_t *vd)
1407 {
1408     vout_display_sys_t *sys = vd->sys;
1409
1410     for (int i = 0; i < sys->count; i++)
1411         vout_ManageDisplay(sys->display[i], true);
1412 }
1413
1414 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1415 {
1416     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1417
1418     for (int i = 0; i < wsys->count; i++) {
1419         if (vout_IsDisplayFiltered(wsys->display[i])) {
1420             /* TODO use a pool ? */
1421             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1422         } else {
1423             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1424             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1425         }
1426         if (!picture[i]) {
1427             for (int j = 0; j < i; j++)
1428                 picture_Release(picture[j]);
1429             return VLC_EGENERIC;
1430         }
1431     }
1432     return VLC_SUCCESS;
1433 }
1434 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1435 {
1436     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1437
1438     for (int i = 0; i < wsys->count; i++)
1439         picture_Release(picture[i]);
1440 }
1441 static void SplitterClose(vout_display_t *vd)
1442 {
1443     vout_display_sys_t *sys = vd->sys;
1444
1445     /* */
1446     video_splitter_t *splitter = sys->splitter;
1447     free(splitter->p_owner);
1448     video_splitter_Delete(splitter);
1449
1450     if (sys->pool)
1451         picture_pool_Delete(sys->pool);
1452
1453     /* */
1454     for (int i = 0; i < sys->count; i++)
1455         vout_DeleteDisplay(sys->display[i], NULL);
1456     TAB_CLEAN(sys->count, sys->display);
1457     free(sys->picture);
1458
1459     free(sys);
1460 }
1461
1462 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1463                                  const video_format_t *source,
1464                                  const vout_display_state_t *state,
1465                                  const char *module,
1466                                  const char *splitter_module,
1467                                  mtime_t double_click_timeout,
1468                                  mtime_t hide_timeout)
1469 {
1470     video_splitter_t *splitter =
1471         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1472     if (!splitter)
1473         return NULL;
1474
1475     /* */
1476     vout_display_t *wrapper =
1477         DisplayNew(vout, source, state, module, true, NULL,
1478                     double_click_timeout, hide_timeout, NULL);
1479     if (!wrapper) {
1480         video_splitter_Delete(splitter);
1481         return NULL;
1482     }
1483     vout_display_sys_t *sys = malloc(sizeof(*sys));
1484     if (!sys)
1485         abort();
1486     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1487     if (!sys->picture )
1488         abort();
1489     sys->splitter = splitter;
1490     sys->pool     = NULL;
1491
1492     wrapper->pool    = SplitterPool;
1493     wrapper->prepare = SplitterPrepare;
1494     wrapper->display = SplitterDisplay;
1495     wrapper->control = SplitterControl;
1496     wrapper->manage  = SplitterManage;
1497     wrapper->sys     = sys;
1498
1499     /* */
1500     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1501     if (!owner)
1502         abort();
1503     owner->wrapper = wrapper;
1504     splitter->p_owner = owner;
1505     splitter->pf_picture_new = SplitterPictureNew;
1506     splitter->pf_picture_del = SplitterPictureDel;
1507
1508     /* */
1509     TAB_INIT(sys->count, sys->display);
1510     for (int i = 0; i < splitter->i_output; i++) {
1511         vout_display_owner_t owner;
1512
1513         owner.event      = SplitterEvent;
1514         owner.window_new = SplitterNewWindow;
1515         owner.window_del = SplitterDelWindow;
1516
1517         const video_splitter_output_t *output = &splitter->p_output[i];
1518         vout_display_state_t ostate;
1519
1520         memset(&ostate, 0, sizeof(ostate));
1521         ostate.cfg.is_fullscreen = false;
1522         ostate.cfg.display = state->cfg.display;
1523         ostate.cfg.align.horizontal = 0; /* TODO */
1524         ostate.cfg.align.vertical = 0; /* TODO */
1525         ostate.cfg.is_display_filled = true;
1526         ostate.cfg.zoom.num = 1;
1527         ostate.cfg.zoom.den = 1;
1528
1529         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1530                                            output->psz_module ? output->psz_module : module,
1531                                            false, wrapper,
1532                                            double_click_timeout, hide_timeout, &owner);
1533         if (!vd) {
1534             vout_DeleteDisplay(wrapper, NULL);
1535             return NULL;
1536         }
1537         TAB_APPEND(sys->count, sys->display, vd);
1538     }
1539
1540     return wrapper;
1541 }
1542
1543 /*****************************************************************************
1544  * TODO move out
1545  *****************************************************************************/
1546 #include "vout_internal.h"
1547 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1548 {
1549     vlc_mouse_t tmp;
1550
1551     /* The check on p_spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1552     if (vout->p->p_spu && spu_ProcessMouse( vout->p->p_spu, m, &vout->p->display.vd->source))
1553         return;
1554
1555     vlc_mutex_lock( &vout->p->vfilter_lock );
1556     if (vout->p->vfilter_chain) {
1557         if (!filter_chain_MouseFilter(vout->p->vfilter_chain, &tmp, m))
1558             m = &tmp;
1559     }
1560     vlc_mutex_unlock( &vout->p->vfilter_lock );
1561
1562     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1563         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1564     }
1565     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1566         static const int buttons[] = {
1567             MOUSE_BUTTON_LEFT,
1568             MOUSE_BUTTON_CENTER,
1569             MOUSE_BUTTON_RIGHT,
1570             MOUSE_BUTTON_WHEEL_UP,
1571             MOUSE_BUTTON_WHEEL_DOWN,
1572             -1
1573         };
1574         for (int i = 0; buttons[i] >= 0; i++) {
1575             const int button = buttons[i];
1576             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1577                 vout_SendEventMousePressed(vout, button);
1578             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1579                 vout_SendEventMouseReleased(vout, button);
1580         }
1581     }
1582     if (m->b_double_click)
1583         vout_SendEventMouseDoubleClick(vout);
1584     vout->p->mouse = *m;
1585 }
1586 #ifdef ALLOW_DUMMY_VOUT
1587 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1588 {
1589     vout_thread_sys_t p;
1590
1591     if (!vout->p) {
1592         p.mouse = *fallback;
1593         vlc_mutex_init(&p.vfilter_lock);
1594         p.vfilter_chain = NULL;
1595         p.p_spu = NULL;
1596         vout->p = &p;
1597     }
1598     vout_SendDisplayEventMouse(vout, m);
1599     if (vout->p == &p) {
1600         vlc_mutex_destroy(&p.vfilter_lock);
1601         *fallback = p.mouse;
1602         vout->p = NULL;
1603     }
1604 }
1605 #endif
1606