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 = ((int)cfg->display.width - (int)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 = ((int)cfg->display.height - (int)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     unsigned width_saved;
 290     unsigned 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_owner_sys_t *osys = data;
 550
 551     for (;;) {
 552         block_t *event = block_FifoGet(osys->event.fifo);
 553
 554         int cancel = vlc_savecancel();
 555
 556         int key;
 557         memcpy(&key, event->p_buffer, sizeof(key));
 558         vout_SendEventKey(osys->vout, key);
 559         block_Release(event);
 560
 561         vlc_restorecancel(cancel);
 562     }
 563 }
 564
 565 static void VoutDisplayEventKey(vout_display_t *vd, int key)
 566 {
 567     vout_display_owner_sys_t *osys = vd->owner.sys;
 568
 569     if (!osys->event.fifo) {
 570         osys->event.fifo = block_FifoNew();
 571         if (!osys->event.fifo)
 572             return;
 573         if (vlc_clone(&osys->event.thread, VoutDisplayEventKeyDispatch,
 574                       osys, VLC_THREAD_PRIORITY_LOW)) {
 575             block_FifoRelease(osys->event.fifo);
 576             osys->event.fifo = NULL;
 577             return;
 578         }
 579     }
 580     block_t *event = block_Alloc(sizeof(key));
 581     if (event) {
 582         memcpy(event->p_buffer, &key, sizeof(key));
 583         block_FifoPut(osys->event.fifo, event);
 584     }
 585 }
 586
 587 static void VoutDisplayEvent(vout_display_t *vd, int event, va_list args)
 588 {
 589     vout_display_owner_sys_t *osys = vd->owner.sys;
 590
 591     switch (event) {
 592     case VOUT_DISPLAY_EVENT_CLOSE: {
 593         msg_Dbg(vd, "VoutDisplayEvent 'close'");
 594         vout_SendEventClose(osys->vout);
 595         break;
 596     }
 597     case VOUT_DISPLAY_EVENT_KEY: {
 598         const int key = (int)va_arg(args, int);
 599         msg_Dbg(vd, "VoutDisplayEvent 'key' 0x%2.2x", key);
 600         if (vd->info.has_event_thread)
 601             vout_SendEventKey(osys->vout, key);
 602         else
 603             VoutDisplayEventKey(vd, key);
 604         break;
 605     }
 606     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
 607     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
 608     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
 609     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
 610     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
 611         VoutDisplayEventMouse(vd, event, args);
 612         break;
 613
 614     case VOUT_DISPLAY_EVENT_FULLSCREEN: {
 615         const int is_fullscreen = (int)va_arg(args, int);
 616
 617         msg_Dbg(vd, "VoutDisplayEvent 'fullscreen' %d", is_fullscreen);
 618
 619         vlc_mutex_lock(&osys->lock);
 620         if (!is_fullscreen != !osys->is_fullscreen) {
 621             osys->ch_fullscreen = true;
 622             osys->is_fullscreen = is_fullscreen;
 623         }
 624         vlc_mutex_unlock(&osys->lock);
 625         break;
 626     }
 627
 628     case VOUT_DISPLAY_EVENT_WINDOW_STATE: {
 629         const unsigned state = va_arg(args, unsigned);
 630
 631         msg_Dbg(vd, "VoutDisplayEvent 'window state' %u", state);
 632
 633         vlc_mutex_lock(&osys->lock);
 634         if (state != osys->wm_state) {
 635             osys->ch_wm_state = true;
 636             osys->wm_state = state;
 637         }
 638         vlc_mutex_unlock(&osys->lock);
 639         break;
 640     }
 641
 642     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE: {
 643         const int width  = (int)va_arg(args, int);
 644         const int height = (int)va_arg(args, int);
 645         const bool is_fullscreen = (bool)va_arg(args, int);
 646         msg_Dbg(vd, "VoutDisplayEvent 'resize' %dx%d %s",
 647                 width, height, is_fullscreen ? "fullscreen" : "window");
 648
 649         /* */
 650         vlc_mutex_lock(&osys->lock);
 651
 652         osys->ch_display_size       = true;
 653         osys->display_width         = width;
 654         osys->display_height        = height;
 655         osys->display_is_fullscreen = is_fullscreen;
 656         osys->display_is_forced     = false;
 657
 658         vlc_mutex_unlock(&osys->lock);
 659         break;
 660     }
 661
 662     case VOUT_DISPLAY_EVENT_PICTURES_INVALID: {
 663         msg_Warn(vd, "VoutDisplayEvent 'pictures invalid'");
 664
 665         /* */
 666         assert(vd->info.has_pictures_invalid);
 667
 668         vlc_mutex_lock(&osys->lock);
 669         osys->reset_pictures = true;
 670         vlc_mutex_unlock(&osys->lock);
 671         break;
 672     }
 673     default:
 674         msg_Err(vd, "VoutDisplayEvent received event %d", event);
 675         /* TODO add an assert when all event are handled */
 676         break;
 677     }
 678 }
 679
 680 static vout_window_t *VoutDisplayNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg)
 681 {
 682     vout_display_owner_sys_t *osys = vd->owner.sys;
 683
 684 #ifdef ALLOW_DUMMY_VOUT
 685     if (!osys->vout->p) {
 686         vout_window_cfg_t cfg_override = *cfg;
 687
 688         if (!var_InheritBool(osys->vout, "embedded-video"))
 689             cfg_override.is_standalone = true;
 690
 691         return vout_window_New(VLC_OBJECT(osys->vout), NULL, &cfg_override);
 692     }
 693 #endif
 694     return vout_NewDisplayWindow(osys->vout, vd, cfg);
 695 }
 696 static void VoutDisplayDelWindow(vout_display_t *vd, vout_window_t *window)
 697 {
 698     vout_display_owner_sys_t *osys = vd->owner.sys;
 699
 700 #ifdef ALLOW_DUMMY_VOUT
 701     if (!osys->vout->p) {
 702         if( window)
 703             vout_window_Delete(window);
 704         return;
 705     }
 706 #endif
 707     vout_DeleteDisplayWindow(osys->vout, vd, window);
 708 }
 709
 710 static void VoutDisplayFitWindow(vout_display_t *vd, bool default_size)
 711 {
 712     vout_display_owner_sys_t *osys = vd->owner.sys;
 713     vout_display_cfg_t cfg = osys->cfg;
 714
 715     if (!cfg.is_display_filled)
 716         return;
 717
 718     cfg.display.width = 0;
 719     if (default_size) {
 720         cfg.display.height = 0;
 721     } else {
 722         cfg.display.height = osys->height_saved;
 723         cfg.zoom.num = 1;
 724         cfg.zoom.den = 1;
 725     }
 726
 727     unsigned display_width;
 728     unsigned display_height;
 729     vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 730                                        &vd->source, &cfg);
 731
 732     vlc_mutex_lock(&osys->lock);
 733
 734     osys->ch_display_size       = true;
 735     osys->display_width         = display_width;
 736     osys->display_height        = display_height;
 737     osys->display_is_fullscreen = osys->cfg.is_fullscreen;
 738     osys->display_is_forced     = true;
 739
 740     vlc_mutex_unlock(&osys->lock);
 741 }
 742
 743 static void VoutDisplayCropRatio(unsigned *x, unsigned *y,
 744                                  unsigned *width, unsigned *height,
 745                                  const video_format_t *source,
 746                                  unsigned num, unsigned den)
 747 {
 748     unsigned scaled_width  = (uint64_t)source->i_visible_height * num * source->i_sar_den / den / source->i_sar_num;
 749     unsigned scaled_height = (uint64_t)source->i_visible_width  * den * source->i_sar_num / num / source->i_sar_den;
 750
 751     if (scaled_width < source->i_visible_width) {
 752         *x      = (source->i_visible_width - scaled_width) / 2;
 753         *y      = 0;
 754         *width  = scaled_width;
 755         *height = source->i_visible_height;
 756     } else {
 757         *x      = 0;
 758         *y      = (source->i_visible_height - scaled_height) / 2;
 759         *width  = source->i_visible_width;
 760         *height = scaled_height;
 761     }
 762     *x += source->i_x_offset;
 763     *y += source->i_y_offset;
 764 }
 765
 766 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 767 {
 768     vout_display_owner_sys_t *osys = vd->owner.sys;
 769
 770     vout_display_Manage(vd);
 771
 772     /* Handle mouse timeout */
 773     const mtime_t date = mdate();
 774     bool  hide_mouse = false;
 775
 776     vlc_mutex_lock(&osys->lock);
 777
 778     if (!osys->mouse.is_hidden &&
 779         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 780         osys->mouse.is_hidden = hide_mouse = true;
 781     } else if (osys->mouse.ch_activity) {
 782         osys->mouse.is_hidden = false;
 783     }
 784     osys->mouse.ch_activity = false;
 785     vlc_mutex_unlock(&osys->lock);
 786
 787     if (hide_mouse) {
 788         if (!vd->info.has_hide_mouse) {
 789             msg_Dbg(vd, "auto hidding mouse");
 790             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 791         }
 792         vout_SendEventMouseHidden(osys->vout);
 793     }
 794
 795     bool reset_render = false;
 796     for (;;) {
 797
 798         vlc_mutex_lock(&osys->lock);
 799
 800         bool ch_fullscreen  = osys->ch_fullscreen;
 801         bool is_fullscreen  = osys->is_fullscreen;
 802         osys->ch_fullscreen = false;
 803
 804         bool ch_wm_state  = osys->ch_wm_state;
 805         unsigned wm_state  = osys->wm_state;
 806         osys->ch_wm_state = false;
 807
 808         bool ch_display_size       = osys->ch_display_size;
 809         int  display_width         = osys->display_width;
 810         int  display_height        = osys->display_height;
 811         bool display_is_fullscreen = osys->display_is_fullscreen;
 812         bool display_is_forced     = osys->display_is_forced;
 813         osys->ch_display_size = false;
 814
 815         bool reset_pictures;
 816         if (allow_reset_pictures) {
 817             reset_pictures = osys->reset_pictures;
 818             osys->reset_pictures = false;
 819         } else {
 820             reset_pictures = false;
 821         }
 822
 823         vlc_mutex_unlock(&osys->lock);
 824
 825         if (!ch_fullscreen &&
 826             !ch_display_size &&
 827             !reset_pictures &&
 828             !osys->ch_display_filled &&
 829             !osys->ch_zoom &&
 830             !ch_wm_state &&
 831             !osys->ch_sar &&
 832             !osys->ch_crop) {
 833
 834             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 835                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 836                 osys->fit_window = 0;
 837                 continue;
 838             }
 839             break;
 840         }
 841
 842         /* */
 843         if (ch_fullscreen) {
 844             vout_display_cfg_t cfg = osys->cfg;
 845
 846             cfg.is_fullscreen  = is_fullscreen;
 847             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 848             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 849
 850             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 851                 msg_Err(vd, "Failed to set fullscreen");
 852                 is_fullscreen = osys->cfg.is_fullscreen;
 853             } else if (!is_fullscreen) {
 854                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, true);
 855             }
 856             osys->cfg.is_fullscreen = is_fullscreen;
 857
 858             /* */
 859             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 860         }
 861
 862         /* */
 863         if (ch_display_size) {
 864             vout_display_cfg_t cfg = osys->cfg;
 865             cfg.display.width  = display_width;
 866             cfg.display.height = display_height;
 867
 868             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 869                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 870                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 871                     msg_Err(vd, "Failed to resize display");
 872
 873                 /* We ignore the resized */
 874                 display_width  = osys->cfg.display.width;
 875                 display_height = osys->cfg.display.height;
 876             }
 877             osys->cfg.display.width  = display_width;
 878             osys->cfg.display.height = display_height;
 879
 880             if (!display_is_fullscreen) {
 881                 osys->width_saved  = display_width;
 882                 osys->height_saved = display_height;
 883             }
 884         }
 885         /* */
 886         if (osys->ch_display_filled) {
 887             vout_display_cfg_t cfg = osys->cfg;
 888
 889             cfg.is_display_filled = osys->is_display_filled;
 890
 891             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 892                 msg_Err(vd, "Failed to change display filled state");
 893                 osys->is_display_filled = osys->cfg.is_display_filled;
 894             }
 895             osys->cfg.is_display_filled = osys->is_display_filled;
 896             osys->ch_display_filled = false;
 897
 898             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 899         }
 900         /* */
 901         if (osys->ch_zoom) {
 902             vout_display_cfg_t cfg = osys->cfg;
 903
 904             cfg.zoom.num = osys->zoom.num;
 905             cfg.zoom.den = osys->zoom.den;
 906
 907             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 908                 cfg.zoom.num = 1;
 909                 cfg.zoom.den = 10;
 910             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 911                 cfg.zoom.num = 10;
 912                 cfg.zoom.den = 1;
 913             }
 914
 915             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 916                 msg_Err(vd, "Failed to change zoom");
 917                 osys->zoom.num = osys->cfg.zoom.num;
 918                 osys->zoom.den = osys->cfg.zoom.den;
 919             } else {
 920                 osys->fit_window = -1;
 921             }
 922
 923             osys->cfg.zoom.num = osys->zoom.num;
 924             osys->cfg.zoom.den = osys->zoom.den;
 925             osys->ch_zoom = false;
 926
 927             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 928         }
 929         /* */
 930         if (ch_wm_state) {
 931             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 932                 msg_Err(vd, "Failed to set on top");
 933                 wm_state = osys->wm_state;
 934             }
 935             osys->wm_state_initial = wm_state;
 936
 937             /* */
 938             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 939         }
 940         /* */
 941         if (osys->ch_sar) {
 942             video_format_t source = vd->source;
 943
 944             if (osys->sar.num > 0 && osys->sar.den > 0) {
 945                 source.i_sar_num = osys->sar.num;
 946                 source.i_sar_den = osys->sar.den;
 947             } else {
 948                 source.i_sar_num = osys->source.i_sar_num;
 949                 source.i_sar_den = osys->source.i_sar_den;
 950             }
 951
 952             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 953                 /* There nothing much we can do. The only reason a vout display
 954                  * does not support it is because it need the core to add black border
 955                  * to the video for it.
 956                  * TODO add black borders ?
 957                  */
 958                 msg_Err(vd, "Failed to change source AR");
 959                 source = vd->source;
 960             } else if (!osys->fit_window) {
 961                 osys->fit_window = 1;
 962             }
 963             vd->source = source;
 964             osys->sar.num = source.i_sar_num;
 965             osys->sar.den = source.i_sar_den;
 966             osys->ch_sar  = false;
 967
 968             /* */
 969             if (osys->sar.num == osys->source.i_sar_num &&
 970                 osys->sar.den == osys->source.i_sar_den)
 971             {
 972                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 973             }
 974             else
 975             {
 976                 unsigned dar_num, dar_den;
 977                 vlc_ureduce( &dar_num, &dar_den,
 978                              osys->sar.num * vd->source.i_visible_width,
 979                              osys->sar.den * vd->source.i_visible_height,
 980                              65536);
 981                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 982             }
 983             /* If a crop ratio is requested, recompute the parameters */
 984             if (osys->crop.num > 0 && osys->crop.den > 0)
 985                 osys->ch_crop = true;
 986         }
 987         /* */
 988         if (osys->ch_crop) {
 989             video_format_t source = vd->source;
 990
 991             unsigned crop_num = osys->crop.num;
 992             unsigned crop_den = osys->crop.den;
 993             if (crop_num > 0 && crop_den > 0) {
 994                 video_format_t fmt = osys->source;
 995                 fmt.i_sar_num = source.i_sar_num;
 996                 fmt.i_sar_den = source.i_sar_den;
 997                 VoutDisplayCropRatio(&osys->crop.x, &osys->crop.y,
 998                                      &osys->crop.width, &osys->crop.height,
 999                                      &fmt, crop_num, crop_den);
1000             }
1001
1002             source.i_x_offset       = osys->crop.x;
1003             source.i_y_offset       = osys->crop.y;
1004             source.i_visible_width  = osys->crop.width;
1005             source.i_visible_height = osys->crop.height;
1006
1007             /* */
1008             const bool is_valid = source.i_x_offset < source.i_width &&
1009                                   source.i_y_offset < source.i_height &&
1010                                   source.i_x_offset + source.i_visible_width  <= source.i_width &&
1011                                   source.i_y_offset + source.i_visible_height <= source.i_height &&
1012                                   source.i_visible_width > 0 && source.i_visible_height > 0;
1013
1014             if (!is_valid || vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
1015                 if (is_valid)
1016                     msg_Err(vd, "Failed to change source crop TODO implement crop at core");
1017                 else
1018                     msg_Err(vd, "Invalid crop requested");
1019
1020                 source = vd->source;
1021                 crop_num = osys->crop_saved.num;
1022                 crop_den = osys->crop_saved.den;
1023                 /* FIXME implement cropping in the core if not supported by the
1024                  * vout module (easy)
1025                  */
1026             } else if (!osys->fit_window) {
1027                 osys->fit_window = 1;
1028             }
1029             vd->source = source;
1030             osys->crop.x      = source.i_x_offset;
1031             osys->crop.y      = source.i_y_offset;
1032             osys->crop.width  = source.i_visible_width;
1033             osys->crop.height = source.i_visible_height;
1034             osys->crop.num    = crop_num;
1035             osys->crop.den    = crop_den;
1036             osys->ch_crop = false;
1037
1038             /* TODO fix when a ratio is used (complicated). */
1039             const unsigned left   = osys->crop.x - osys->source.i_x_offset;
1040             const unsigned top    = osys->crop.y - osys->source.i_y_offset;
1041             const unsigned right  = osys->source.i_visible_width  - (osys->crop.width  + osys->crop.x);
1042             const unsigned bottom = osys->source.i_visible_height - (osys->crop.height + osys->crop.y);
1043             vout_SendEventSourceCrop(osys->vout,
1044                                      osys->crop.num, osys->crop.den,
1045                                      left, top, right, bottom);
1046         }
1047
1048         /* */
1049         if (reset_pictures) {
1050             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
1051                 /* FIXME what to do here ? */
1052                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
1053             }
1054             reset_render = true;
1055         }
1056     }
1057     if (reset_render)
1058         VoutDisplayResetRender(vd);
1059 }
1060
1061 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
1062 {
1063     vout_display_owner_sys_t *osys = vd->owner.sys;
1064
1065     vlc_mutex_lock(&osys->lock);
1066     const bool reset_pictures = osys->reset_pictures;
1067     vlc_mutex_unlock(&osys->lock);
1068
1069     return reset_pictures;
1070 }
1071
1072 bool vout_IsDisplayFiltered(vout_display_t *vd)
1073 {
1074     vout_display_owner_sys_t *osys = vd->owner.sys;
1075
1076     return osys->filters != NULL;
1077 }
1078
1079 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
1080 {
1081     vout_display_owner_sys_t *osys = vd->owner.sys;
1082
1083     assert(osys->filters);
1084     return filter_chain_VideoFilter(osys->filters, picture);
1085 }
1086
1087 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
1088 {
1089     vout_display_owner_sys_t *osys = vd->owner.sys;
1090
1091     vlc_mutex_lock(&osys->lock);
1092     if (!osys->is_fullscreen != !is_fullscreen) {
1093         osys->ch_fullscreen = true;
1094         osys->is_fullscreen = is_fullscreen;
1095     }
1096     vlc_mutex_unlock(&osys->lock);
1097 }
1098
1099 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
1100 {
1101     vout_display_owner_sys_t *osys = vd->owner.sys;
1102
1103     if (!osys->is_display_filled != !is_filled) {
1104         osys->ch_display_filled = true;
1105         osys->is_display_filled = is_filled;
1106     }
1107 }
1108
1109 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1110 {
1111     vout_display_owner_sys_t *osys = vd->owner.sys;
1112
1113     if (osys->is_display_filled ||
1114         osys->zoom.num != num || osys->zoom.den != den) {
1115         osys->ch_zoom = true;
1116         osys->zoom.num = num;
1117         osys->zoom.den = den;
1118     }
1119 }
1120
1121 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1122 {
1123     vout_display_owner_sys_t *osys = vd->owner.sys;
1124
1125     vlc_mutex_lock(&osys->lock);
1126     if (osys->wm_state != state) {
1127         osys->ch_wm_state = true;
1128         osys->wm_state = state;
1129     }
1130     vlc_mutex_unlock(&osys->lock);
1131 }
1132
1133 void vout_SetDisplayAspect(vout_display_t *vd, unsigned sar_num, unsigned sar_den)
1134 {
1135     vout_display_owner_sys_t *osys = vd->owner.sys;
1136
1137     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1138         osys->ch_sar = true;
1139         osys->sar.num = sar_num;
1140         osys->sar.den = sar_den;
1141     }
1142 }
1143 void vout_SetDisplayCrop(vout_display_t *vd,
1144                          unsigned crop_num, unsigned crop_den,
1145                          unsigned x, unsigned y, unsigned width, unsigned height)
1146 {
1147     vout_display_owner_sys_t *osys = vd->owner.sys;
1148
1149     if (osys->crop.x != x || osys->crop.y != y ||
1150         osys->crop.width  != width || osys->crop.height != height ||
1151         (crop_num > 0 && crop_den > 0 &&
1152          (crop_num != osys->crop.num || crop_den != osys->crop.den))) {
1153
1154         osys->crop.x      = x;
1155         osys->crop.y      = y;
1156         osys->crop.width  = width;
1157         osys->crop.height = height;
1158         osys->crop.num    = crop_num;
1159         osys->crop.den    = crop_den;
1160
1161         osys->ch_crop = true;
1162     }
1163 }
1164 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1165 {
1166     vout_opengl_t *gl;
1167     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1168         return NULL;
1169     return gl;
1170 }
1171
1172 static vout_display_t *DisplayNew(vout_thread_t *vout,
1173                                   const video_format_t *source_org,
1174                                   const vout_display_state_t *state,
1175                                   const char *module,
1176                                   bool is_wrapper, vout_display_t *wrapper,
1177                                   mtime_t double_click_timeout,
1178                                   mtime_t hide_timeout,
1179                                   const vout_display_owner_t *owner_ptr)
1180 {
1181     /* */
1182     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1183     vout_display_cfg_t *cfg = &osys->cfg;
1184
1185     *cfg = state->cfg;
1186     osys->wm_state_initial = -1;
1187     osys->sar_initial.num = state->sar.num;
1188     osys->sar_initial.den = state->sar.den;
1189     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1190                                        source_org, cfg);
1191
1192     osys->vout = vout;
1193     osys->is_wrapper = is_wrapper;
1194     osys->wrapper = wrapper;
1195
1196     vlc_mutex_init(&osys->lock);
1197
1198     vlc_mouse_Init(&osys->mouse.state);
1199     osys->mouse.last_moved = mdate();
1200     osys->mouse.double_click_timeout = double_click_timeout;
1201     osys->mouse.hide_timeout = hide_timeout;
1202     osys->is_fullscreen  = cfg->is_fullscreen;
1203     osys->display_width  = cfg->display.width;
1204     osys->display_height = cfg->display.height;
1205     osys->is_display_filled = cfg->is_display_filled;
1206     osys->width_saved    = cfg->display.width;
1207     osys->height_saved   = cfg->display.height;
1208     if (osys->is_fullscreen) {
1209         vout_display_cfg_t cfg_windowed = *cfg;
1210         cfg_windowed.is_fullscreen  = false;
1211         cfg_windowed.display.width  = 0;
1212         cfg_windowed.display.height = 0;
1213         vout_display_GetDefaultDisplaySize(&osys->width_saved,
1214                                            &osys->height_saved,
1215                                            source_org, &cfg_windowed);
1216     }
1217     osys->zoom.num = cfg->zoom.num;
1218     osys->zoom.den = cfg->zoom.den;
1219     osys->wm_state = state->wm_state;
1220     osys->fit_window = 0;
1221     osys->event.fifo = NULL;
1222
1223     osys->source = *source_org;
1224
1225     video_format_t source = *source_org;
1226
1227     source.i_x_offset =
1228     osys->crop.x  = 0;
1229     source.i_y_offset =
1230     osys->crop.y  = 0;
1231     source.i_visible_width  =
1232     osys->crop.width    = source.i_width;
1233     source.i_visible_height =
1234     osys->crop.height   = source.i_height;
1235     osys->crop_saved.num = 0;
1236     osys->crop_saved.den = 0;
1237     osys->crop.num = 0;
1238     osys->crop.den = 0;
1239
1240     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source.i_sar_num;
1241     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source.i_sar_den;
1242 #ifdef ALLOW_DUMMY_VOUT
1243     vlc_mouse_Init(&osys->vout_mouse);
1244 #endif
1245
1246     vout_display_owner_t owner;
1247     if (owner_ptr) {
1248         owner = *owner_ptr;
1249     } else {
1250         owner.event      = VoutDisplayEvent;
1251         owner.window_new = VoutDisplayNewWindow;
1252         owner.window_del = VoutDisplayDelWindow;
1253     }
1254     owner.sys = osys;
1255
1256     /* */
1257     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1258                                                  module, !is_wrapper,
1259                                                  &source, cfg, &owner);
1260     if (!p_display) {
1261         free(osys);
1262         return NULL;
1263     }
1264
1265     VoutDisplayCreateRender(p_display);
1266
1267     /* Setup delayed request */
1268     if (osys->sar.num != source_org->i_sar_num ||
1269         osys->sar.den != source_org->i_sar_den)
1270         osys->ch_sar = true;
1271     if (osys->wm_state != osys->wm_state_initial)
1272         osys->ch_wm_state = true;
1273     if (osys->crop.x      != source_org->i_x_offset ||
1274         osys->crop.y      != source_org->i_y_offset ||
1275         osys->crop.width  != source_org->i_visible_width ||
1276         osys->crop.height != source_org->i_visible_height)
1277         osys->ch_crop = true;
1278
1279     return p_display;
1280 }
1281
1282 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1283 {
1284     vout_display_owner_sys_t *osys = vd->owner.sys;
1285
1286     if (state) {
1287         if (!osys->is_wrapper )
1288             state->cfg = osys->cfg;
1289         state->wm_state = osys->wm_state;
1290         state->sar.num  = osys->sar_initial.num;
1291         state->sar.den  = osys->sar_initial.den;
1292     }
1293
1294     VoutDisplayDestroyRender(vd);
1295     if (osys->is_wrapper)
1296         SplitterClose(vd);
1297     vout_display_Delete(vd);
1298     if (osys->event.fifo) {
1299         vlc_cancel(osys->event.thread);
1300         vlc_join(osys->event.thread, NULL);
1301         block_FifoRelease(osys->event.fifo);
1302     }
1303     vlc_mutex_destroy(&osys->lock);
1304     free(osys);
1305 }
1306
1307 /*****************************************************************************
1308  *
1309  *****************************************************************************/
1310 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1311                                 const video_format_t *source,
1312                                 const vout_display_state_t *state,
1313                                 const char *module,
1314                                 mtime_t double_click_timeout,
1315                                 mtime_t hide_timeout)
1316 {
1317     return DisplayNew(vout, source, state, module, false, NULL,
1318                       double_click_timeout, hide_timeout, NULL);
1319 }
1320
1321 /*****************************************************************************
1322  *
1323  *****************************************************************************/
1324 struct vout_display_sys_t {
1325     picture_pool_t   *pool;
1326     video_splitter_t *splitter;
1327
1328     /* */
1329     int            count;
1330     picture_t      **picture;
1331     vout_display_t **display;
1332 };
1333 struct video_splitter_owner_t {
1334     vout_display_t *wrapper;
1335 };
1336
1337 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1338 {
1339     vout_display_owner_sys_t *osys = vd->owner.sys;
1340
1341     vout_window_cfg_t cfg = *cfg_ptr;
1342     cfg.is_standalone = true;
1343     cfg.x += 0;//output->window.i_x; FIXME
1344     cfg.y += 0;//output->window.i_y;
1345
1346     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1347 }
1348 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1349 {
1350     vout_display_owner_sys_t *osys = vd->owner.sys;
1351
1352     vout_DeleteDisplayWindow(osys->vout, vd, window);
1353 }
1354 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1355 {
1356     //vout_display_owner_sys_t *osys = vd->owner.sys;
1357
1358     switch (event) {
1359 #if 0
1360     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1361     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1362     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1363     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1364         /* TODO */
1365         break;
1366 #endif
1367     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1368     case VOUT_DISPLAY_EVENT_KEY:
1369     case VOUT_DISPLAY_EVENT_CLOSE:
1370     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1371     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1372     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1373         VoutDisplayEvent(vd, event, args);
1374         break;
1375
1376     default:
1377         msg_Err(vd, "SplitterEvent TODO");
1378         break;
1379     }
1380 }
1381
1382 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1383 {
1384     vout_display_sys_t *sys = vd->sys;
1385     if (!sys->pool)
1386         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1387     return sys->pool;
1388 }
1389 static void SplitterPrepare(vout_display_t *vd, picture_t *picture)
1390 {
1391     vout_display_sys_t *sys = vd->sys;
1392
1393     picture_Hold(picture);
1394
1395     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1396         for (int i = 0; i < sys->count; i++)
1397             sys->picture[i] = NULL;
1398         picture_Release(picture);
1399         return;
1400     }
1401
1402     for (int i = 0; i < sys->count; i++) {
1403         if (vout_IsDisplayFiltered(sys->display[i]))
1404             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1405         if (sys->picture[i])
1406             vout_display_Prepare(sys->display[i], sys->picture[i]);
1407     }
1408 }
1409 static void SplitterDisplay(vout_display_t *vd, picture_t *picture)
1410 {
1411     vout_display_sys_t *sys = vd->sys;
1412
1413     for (int i = 0; i < sys->count; i++) {
1414         if (sys->picture[i])
1415             vout_display_Display(sys->display[i], sys->picture[i]);
1416     }
1417     picture_Release(picture);
1418 }
1419 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1420 {
1421     return VLC_EGENERIC;
1422 }
1423 static void SplitterManage(vout_display_t *vd)
1424 {
1425     vout_display_sys_t *sys = vd->sys;
1426
1427     for (int i = 0; i < sys->count; i++)
1428         vout_ManageDisplay(sys->display[i], true);
1429 }
1430
1431 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1432 {
1433     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1434
1435     for (int i = 0; i < wsys->count; i++) {
1436         if (vout_IsDisplayFiltered(wsys->display[i])) {
1437             /* TODO use a pool ? */
1438             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1439         } else {
1440             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1441             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1442         }
1443         if (!picture[i]) {
1444             for (int j = 0; j < i; j++)
1445                 picture_Release(picture[j]);
1446             return VLC_EGENERIC;
1447         }
1448     }
1449     return VLC_SUCCESS;
1450 }
1451 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1452 {
1453     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1454
1455     for (int i = 0; i < wsys->count; i++)
1456         picture_Release(picture[i]);
1457 }
1458 static void SplitterClose(vout_display_t *vd)
1459 {
1460     vout_display_sys_t *sys = vd->sys;
1461
1462     /* */
1463     video_splitter_t *splitter = sys->splitter;
1464     free(splitter->p_owner);
1465     video_splitter_Delete(splitter);
1466
1467     if (sys->pool)
1468         picture_pool_Delete(sys->pool);
1469
1470     /* */
1471     for (int i = 0; i < sys->count; i++)
1472         vout_DeleteDisplay(sys->display[i], NULL);
1473     TAB_CLEAN(sys->count, sys->display);
1474     free(sys->picture);
1475
1476     free(sys);
1477 }
1478
1479 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1480                                  const video_format_t *source,
1481                                  const vout_display_state_t *state,
1482                                  const char *module,
1483                                  const char *splitter_module,
1484                                  mtime_t double_click_timeout,
1485                                  mtime_t hide_timeout)
1486 {
1487     video_splitter_t *splitter =
1488         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1489     if (!splitter)
1490         return NULL;
1491
1492     /* */
1493     vout_display_t *wrapper =
1494         DisplayNew(vout, source, state, module, true, NULL,
1495                     double_click_timeout, hide_timeout, NULL);
1496     if (!wrapper) {
1497         video_splitter_Delete(splitter);
1498         return NULL;
1499     }
1500     vout_display_sys_t *sys = malloc(sizeof(*sys));
1501     if (!sys)
1502         abort();
1503     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1504     if (!sys->picture )
1505         abort();
1506     sys->splitter = splitter;
1507     sys->pool     = NULL;
1508
1509     wrapper->pool    = SplitterPool;
1510     wrapper->prepare = SplitterPrepare;
1511     wrapper->display = SplitterDisplay;
1512     wrapper->control = SplitterControl;
1513     wrapper->manage  = SplitterManage;
1514     wrapper->sys     = sys;
1515
1516     /* */
1517     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1518     if (!owner)
1519         abort();
1520     owner->wrapper = wrapper;
1521     splitter->p_owner = owner;
1522     splitter->pf_picture_new = SplitterPictureNew;
1523     splitter->pf_picture_del = SplitterPictureDel;
1524
1525     /* */
1526     TAB_INIT(sys->count, sys->display);
1527     for (int i = 0; i < splitter->i_output; i++) {
1528         vout_display_owner_t owner;
1529
1530         owner.event      = SplitterEvent;
1531         owner.window_new = SplitterNewWindow;
1532         owner.window_del = SplitterDelWindow;
1533
1534         const video_splitter_output_t *output = &splitter->p_output[i];
1535         vout_display_state_t ostate;
1536
1537         memset(&ostate, 0, sizeof(ostate));
1538         ostate.cfg.is_fullscreen = false;
1539         ostate.cfg.display = state->cfg.display;
1540         ostate.cfg.align.horizontal = 0; /* TODO */
1541         ostate.cfg.align.vertical = 0; /* TODO */
1542         ostate.cfg.is_display_filled = true;
1543         ostate.cfg.zoom.num = 1;
1544         ostate.cfg.zoom.den = 1;
1545
1546         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1547                                            output->psz_module ? output->psz_module : module,
1548                                            false, wrapper,
1549                                            double_click_timeout, hide_timeout, &owner);
1550         if (!vd) {
1551             vout_DeleteDisplay(wrapper, NULL);
1552             return NULL;
1553         }
1554         TAB_APPEND(sys->count, sys->display, vd);
1555     }
1556
1557     return wrapper;
1558 }
1559
1560 /*****************************************************************************
1561  * TODO move out
1562  *****************************************************************************/
1563 #include "vout_internal.h"
1564 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1565 {
1566     vlc_mouse_t tmp;
1567
1568     /* The check on p_spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1569     if (vout->p->p_spu && spu_ProcessMouse( vout->p->p_spu, m, &vout->p->display.vd->source))
1570         return;
1571
1572     vlc_mutex_lock( &vout->p->vfilter_lock );
1573     if (vout->p->vfilter_chain) {
1574         if (!filter_chain_MouseFilter(vout->p->vfilter_chain, &tmp, m))
1575             m = &tmp;
1576     }
1577     vlc_mutex_unlock( &vout->p->vfilter_lock );
1578
1579     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1580         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1581     }
1582     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1583         static const int buttons[] = {
1584             MOUSE_BUTTON_LEFT,
1585             MOUSE_BUTTON_CENTER,
1586             MOUSE_BUTTON_RIGHT,
1587             MOUSE_BUTTON_WHEEL_UP,
1588             MOUSE_BUTTON_WHEEL_DOWN,
1589             -1
1590         };
1591         for (int i = 0; buttons[i] >= 0; i++) {
1592             const int button = buttons[i];
1593             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1594                 vout_SendEventMousePressed(vout, button);
1595             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1596                 vout_SendEventMouseReleased(vout, button);
1597         }
1598     }
1599     if (m->b_double_click)
1600         vout_SendEventMouseDoubleClick(vout);
1601     vout->p->mouse = *m;
1602 }
1603 #ifdef ALLOW_DUMMY_VOUT
1604 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1605 {
1606     vout_thread_sys_t p;
1607
1608     if (!vout->p) {
1609         p.mouse = *fallback;
1610         vlc_mutex_init(&p.vfilter_lock);
1611         p.vfilter_chain = NULL;
1612         p.p_spu = NULL;
1613         vout->p = &p;
1614     }
1615     vout_SendDisplayEventMouse(vout, m);
1616     if (vout->p == &p) {
1617         vlc_mutex_destroy(&p.vfilter_lock);
1618         *fallback = p.mouse;
1619         vout->p = NULL;
1620     }
1621 }
1622 #endif
1623