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

   1 /*****************************************************************************
   2  * display.c: "vout display" managment
   3  *****************************************************************************
   4  * Copyright (C) 2009 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30 #include <assert.h>
  31
  32 #include <vlc_common.h>
  33 #include <vlc_video_splitter.h>
  34 #include <vlc_vout_display.h>
  35 #include <vlc_vout.h>
  36 #include <vlc_block.h>
  37 #include <vlc_modules.h>
  38
  39 #include <libvlc.h>
  40
  41 #include "display.h"
  42
  43 #include "event.h"
  44
  45 /* It must be present as long as a vout_display_t must be created using a dummy
  46  * vout (as an opengl provider) */
  47 #define ALLOW_DUMMY_VOUT
  48
  49 static void SplitterClose(vout_display_t *vd);
  50
  51 /*****************************************************************************
  52  * FIXME/TODO see how to have direct rendering here (interact with vout.c)
  53  *****************************************************************************/
  54 static picture_t *VideoBufferNew(filter_t *filter)
  55 {
  56     vout_display_t *vd = (vout_display_t*)filter->p_owner;
  57     const video_format_t *fmt = &filter->fmt_out.video;
  58
  59     assert(vd->fmt.i_chroma == fmt->i_chroma &&
  60            vd->fmt.i_width  == fmt->i_width  &&
  61            vd->fmt.i_height == fmt->i_height);
  62
  63     picture_pool_t *pool = vout_display_Pool(vd, 3);
  64     if (!pool)
  65         return NULL;
  66     return picture_pool_Get(pool);
  67 }
  68 static void VideoBufferDelete(filter_t *filter, picture_t *picture)
  69 {
  70     VLC_UNUSED(filter);
  71     picture_Release(picture);
  72 }
  73
  74 static int  FilterAllocationInit(filter_t *filter, void *vd)
  75 {
  76     filter->pf_video_buffer_new = VideoBufferNew;
  77     filter->pf_video_buffer_del = VideoBufferDelete;
  78     filter->p_owner             = vd;
  79
  80     return VLC_SUCCESS;
  81 }
  82 static void FilterAllocationClean(filter_t *filter)
  83 {
  84     filter->pf_video_buffer_new = NULL;
  85     filter->pf_video_buffer_del = NULL;
  86     filter->p_owner             = NULL;
  87 }
  88
  89 /*****************************************************************************
  90  *
  91  *****************************************************************************/
  92
  93 /**
  94  * It creates a new vout_display_t using the given configuration.
  95  */
  96 static vout_display_t *vout_display_New(vlc_object_t *obj,
  97                                         const char *module, bool load_module,
  98                                         const video_format_t *fmt,
  99                                         const vout_display_cfg_t *cfg,
 100                                         vout_display_owner_t *owner)
 101 {
 102     /* */
 103     vout_display_t *vd = vlc_object_create(obj, sizeof(*vd));
 104
 105     /* */
 106     video_format_Copy(&vd->source, fmt);
 107
 108     /* Picture buffer does not have the concept of aspect ratio */
 109     video_format_Copy(&vd->fmt, fmt);
 110     vd->fmt.i_sar_num = 0;
 111     vd->fmt.i_sar_den = 0;
 112
 113     vd->info.is_slow = false;
 114     vd->info.has_double_click = false;
 115     vd->info.has_hide_mouse = false;
 116     vd->info.has_pictures_invalid = false;
 117     vd->info.has_event_thread = false;
 118     vd->info.subpicture_chromas = NULL;
 119
 120     vd->cfg = cfg;
 121     vd->pool = NULL;
 122     vd->prepare = NULL;
 123     vd->display = NULL;
 124     vd->control = NULL;
 125     vd->manage = NULL;
 126     vd->sys = NULL;
 127
 128     vd->owner = *owner;
 129
 130     vlc_object_attach(vd, obj);
 131
 132     if (load_module) {
 133         vd->module = module_need(vd, "vout display", module, module && *module != '\0');
 134         if (!vd->module) {
 135             vlc_object_release(vd);
 136             return NULL;
 137         }
 138     } else {
 139         vd->module = NULL;
 140     }
 141     return vd;
 142 }
 143
 144 /**
 145  * It deletes a vout_display_t
 146  */
 147 static void vout_display_Delete(vout_display_t *vd)
 148 {
 149     if (vd->module)
 150         module_unneed(vd, vd->module);
 151
 152     vlc_object_release(vd);
 153 }
 154
 155 /**
 156  * It controls a vout_display_t
 157  */
 158 static int vout_display_Control(vout_display_t *vd, int query, ...)
 159 {
 160     va_list args;
 161     int result;
 162
 163     va_start(args, query);
 164     result = vd->control(vd, query, args);
 165     va_end(args);
 166
 167     return result;
 168 }
 169
 170 static void vout_display_Manage(vout_display_t *vd)
 171 {
 172     if (vd->manage)
 173         vd->manage(vd);
 174 }
 175
 176 /* */
 177 void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
 178                                         const video_format_t *source,
 179                                         const vout_display_cfg_t *cfg)
 180 {
 181     if (cfg->display.width > 0 && cfg->display.height > 0) {
 182         *width  = cfg->display.width;
 183         *height = cfg->display.height;
 184     } else if (cfg->display.width > 0) {
 185         *width  = cfg->display.width;
 186         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.width * cfg->display.sar.num /
 187             source->i_visible_width / source->i_sar_num / cfg->display.sar.den;
 188     } else if (cfg->display.height > 0) {
 189         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.height * cfg->display.sar.den /
 190             source->i_visible_height / source->i_sar_den / cfg->display.sar.num;
 191         *height = cfg->display.height;
 192     } else if (source->i_sar_num >= source->i_sar_den) {
 193         *width  = (int64_t)source->i_visible_width * source->i_sar_num * cfg->display.sar.den / source->i_sar_den / cfg->display.sar.num;
 194         *height = source->i_visible_height;
 195     } else {
 196         *width  = source->i_visible_width;
 197         *height = (int64_t)source->i_visible_height * source->i_sar_den * cfg->display.sar.num / source->i_sar_num / cfg->display.sar.den;
 198     }
 199
 200     *width  = *width  * cfg->zoom.num / cfg->zoom.den;
 201     *height = *height * cfg->zoom.num / cfg->zoom.den;
 202 }
 203
 204 /* */
 205 void vout_display_PlacePicture(vout_display_place_t *place,
 206                                const video_format_t *source,
 207                                const vout_display_cfg_t *cfg,
 208                                bool do_clipping)
 209 {
 210     /* */
 211     memset(place, 0, sizeof(*place));
 212     if (cfg->display.width <= 0 || cfg->display.height <= 0)
 213         return;
 214
 215     /* */
 216     unsigned display_width;
 217     unsigned display_height;
 218
 219     if (cfg->is_display_filled) {
 220         display_width  = cfg->display.width;
 221         display_height = cfg->display.height;
 222     } else {
 223         vout_display_cfg_t cfg_tmp = *cfg;
 224
 225         cfg_tmp.display.width  = 0;
 226         cfg_tmp.display.height = 0;
 227         vout_display_GetDefaultDisplaySize(&display_width, &display_height,
 228                                            source, &cfg_tmp);
 229
 230         if (do_clipping) {
 231             display_width  = __MIN(display_width,  cfg->display.width);
 232             display_height = __MIN(display_height, cfg->display.height);
 233         }
 234     }
 235
 236     const unsigned width  = source->i_visible_width;
 237     const unsigned height = source->i_visible_height;
 238     /* Compute the height if we use the width to fill up display_width */
 239     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;
 240     /* And the same but switching width/height */
 241     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;
 242
 243     /* We keep the solution that avoid filling outside the display */
 244     if (scaled_width <= cfg->display.width) {
 245         place->width  = scaled_width;
 246         place->height = display_height;
 247     } else {
 248         place->width  = display_width;
 249         place->height = scaled_height;
 250     }
 251
 252     /*  Compute position */
 253     switch (cfg->align.horizontal) {
 254     case VOUT_DISPLAY_ALIGN_LEFT:
 255         place->x = 0;
 256         break;
 257     case VOUT_DISPLAY_ALIGN_RIGHT:
 258         place->x = cfg->display.width - place->width;
 259         break;
 260     default:
 261         place->x = ((int)cfg->display.width - (int)place->width) / 2;
 262         break;
 263     }
 264
 265     switch (cfg->align.vertical) {
 266     case VOUT_DISPLAY_ALIGN_TOP:
 267         place->y = 0;
 268         break;
 269     case VOUT_DISPLAY_ALIGN_BOTTOM:
 270         place->y = cfg->display.height - place->height;
 271         break;
 272     default:
 273         place->y = ((int)cfg->display.height - (int)place->height) / 2;
 274         break;
 275     }
 276 }
 277
 278 struct vout_display_owner_sys_t {
 279     vout_thread_t   *vout;
 280     bool            is_wrapper;  /* Is the current display a wrapper */
 281     vout_display_t  *wrapper; /* Vout display wrapper */
 282
 283     /* */
 284     vout_display_cfg_t cfg;
 285     unsigned     wm_state_initial;
 286     struct {
 287         unsigned num;
 288         unsigned den;
 289     } sar_initial;
 290
 291     /* */
 292     unsigned width_saved;
 293     unsigned height_saved;
 294
 295     struct {
 296         unsigned num;
 297         unsigned den;
 298     } crop_saved;
 299
 300     /* */
 301     bool ch_display_filled;
 302     bool is_display_filled;
 303
 304     bool ch_zoom;
 305     struct {
 306         int  num;
 307         int  den;
 308     } zoom;
 309
 310     bool ch_wm_state;
 311     unsigned wm_state;
 312
 313     bool ch_sar;
 314     struct {
 315         unsigned num;
 316         unsigned den;
 317     } sar;
 318
 319     bool ch_crop;
 320     struct {
 321         int      left;
 322         int      top;
 323         int      right;
 324         int      bottom;
 325         unsigned num;
 326         unsigned den;
 327     } crop;
 328
 329     /* */
 330     video_format_t source;
 331     filter_chain_t *filters;
 332
 333     /* Lock protecting the variables used by
 334      * VoutDisplayEvent(ie vout_display_SendEvent) */
 335     vlc_mutex_t lock;
 336
 337     /* mouse state */
 338     struct {
 339         vlc_mouse_t state;
 340
 341         mtime_t last_pressed;
 342         mtime_t last_moved;
 343         bool    is_hidden;
 344         bool    ch_activity;
 345
 346         /* */
 347         mtime_t double_click_timeout;
 348         mtime_t hide_timeout;
 349     } mouse;
 350
 351     bool reset_pictures;
 352
 353     bool ch_fullscreen;
 354     bool is_fullscreen;
 355
 356     bool ch_display_size;
 357     int  display_width;
 358     int  display_height;
 359     bool display_is_fullscreen;
 360     bool display_is_forced;
 361
 362     int  fit_window;
 363
 364     struct {
 365         vlc_thread_t thread;
 366         block_fifo_t *fifo;
 367     } event;
 368
 369 #ifdef ALLOW_DUMMY_VOUT
 370     vlc_mouse_t vout_mouse;
 371 #endif
 372 };
 373
 374 static void DummyVoutSendDisplayEventMouse(vout_thread_t *, vlc_mouse_t *fallback, const vlc_mouse_t *m);
 375
 376 static void VoutDisplayCreateRender(vout_display_t *vd)
 377 {
 378     vout_display_owner_sys_t *osys = vd->owner.sys;
 379
 380     osys->filters = NULL;
 381
 382     video_format_t v_src = vd->source;
 383     v_src.i_sar_num = 0;
 384     v_src.i_sar_den = 0;
 385
 386     video_format_t v_dst = vd->fmt;
 387     v_dst.i_sar_num = 0;
 388     v_dst.i_sar_den = 0;
 389
 390     video_format_t v_dst_cmp = v_dst;
 391     if ((v_src.i_chroma == VLC_CODEC_J420 && v_dst.i_chroma == VLC_CODEC_I420) ||
 392         (v_src.i_chroma == VLC_CODEC_J422 && v_dst.i_chroma == VLC_CODEC_I422) ||
 393         (v_src.i_chroma == VLC_CODEC_J440 && v_dst.i_chroma == VLC_CODEC_I440) ||
 394         (v_src.i_chroma == VLC_CODEC_J444 && v_dst.i_chroma == VLC_CODEC_I444))
 395         v_dst_cmp.i_chroma = v_src.i_chroma;
 396
 397     const bool convert = memcmp(&v_src, &v_dst_cmp, sizeof(v_src)) != 0;
 398     if (!convert)
 399         return;
 400
 401     msg_Dbg(vd, "A filter to adapt decoder to display is needed");
 402
 403     osys->filters = filter_chain_New(vd, "video filter2", false,
 404                                      FilterAllocationInit,
 405                                      FilterAllocationClean, vd);
 406     assert(osys->filters); /* TODO critical */
 407
 408     /* */
 409     es_format_t src;
 410     es_format_InitFromVideo(&src, &v_src);
 411
 412     /* */
 413     es_format_t dst;
 414
 415     filter_t *filter;
 416     for (int i = 0; i < 1 + (v_dst_cmp.i_chroma != v_dst.i_chroma); i++) {
 417
 418         es_format_InitFromVideo(&dst, i == 0 ? &v_dst : &v_dst_cmp);
 419
 420         filter_chain_Reset(osys->filters, &src, &dst);
 421         filter = filter_chain_AppendFilter(osys->filters,
 422                                            NULL, NULL, &src, &dst);
 423         if (filter)
 424             break;
 425     }
 426     if (!filter)
 427     {
 428         msg_Err(vd, "VoutDisplayCreateRender FAILED");
 429         /* TODO */
 430         assert(0);
 431     }
 432 }
 433
 434 static void VoutDisplayDestroyRender(vout_display_t *vd)
 435 {
 436     vout_display_owner_sys_t *osys = vd->owner.sys;
 437
 438     if (osys->filters)
 439         filter_chain_Delete(osys->filters);
 440 }
 441
 442 static void VoutDisplayResetRender(vout_display_t *vd)
 443 {
 444     VoutDisplayDestroyRender(vd);
 445     VoutDisplayCreateRender(vd);
 446 }
 447 static void VoutDisplayEventMouse(vout_display_t *vd, int event, va_list args)
 448 {
 449     vout_display_owner_sys_t *osys = vd->owner.sys;
 450
 451     vlc_mutex_lock(&osys->lock);
 452
 453     /* */
 454     vlc_mouse_t m = osys->mouse.state;
 455     bool is_ignored = false;
 456
 457     switch (event) {
 458     case VOUT_DISPLAY_EVENT_MOUSE_STATE: {
 459         const int x = (int)va_arg(args, int);
 460         const int y = (int)va_arg(args, int);
 461         const int button_mask = (int)va_arg(args, int);
 462
 463         vlc_mouse_Init(&m);
 464         m.i_x = x;
 465         m.i_y = y;
 466         m.i_pressed = button_mask;
 467         break;
 468     }
 469     case VOUT_DISPLAY_EVENT_MOUSE_MOVED: {
 470         const int x = (int)va_arg(args, int);
 471         const int y = (int)va_arg(args, int);
 472
 473         //msg_Dbg(vd, "VoutDisplayEvent 'mouse' @%d,%d", x, y);
 474
 475         m.i_x = x;
 476         m.i_y = y;
 477         m.b_double_click = false;
 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), "$window", &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(int *left, int *top, int *right, int *bottom,
 744                                  const video_format_t *source,
 745                                  unsigned num, unsigned den)
 746 {
 747     unsigned scaled_width  = (uint64_t)source->i_visible_height * num * source->i_sar_den / den / source->i_sar_num;
 748     unsigned scaled_height = (uint64_t)source->i_visible_width  * den * source->i_sar_num / num / source->i_sar_den;
 749
 750     if (scaled_width < source->i_visible_width) {
 751         *left   = (source->i_visible_width - scaled_width) / 2;
 752         *top    = 0;
 753         *right  = *left + scaled_width;
 754         *bottom = *top  + source->i_visible_height;
 755     } else {
 756         *left   = 0;
 757         *top    = (source->i_visible_height - scaled_height) / 2;
 758         *right  = *left + source->i_visible_width;
 759         *bottom = *top  + scaled_height;
 760     }
 761 }
 762
 763 void vout_ManageDisplay(vout_display_t *vd, bool allow_reset_pictures)
 764 {
 765     vout_display_owner_sys_t *osys = vd->owner.sys;
 766
 767     vout_display_Manage(vd);
 768
 769     /* Handle mouse timeout */
 770     const mtime_t date = mdate();
 771     bool  hide_mouse = false;
 772
 773     vlc_mutex_lock(&osys->lock);
 774
 775     if (!osys->mouse.is_hidden &&
 776         osys->mouse.last_moved + osys->mouse.hide_timeout < date) {
 777         osys->mouse.is_hidden = hide_mouse = true;
 778     } else if (osys->mouse.ch_activity) {
 779         osys->mouse.is_hidden = false;
 780     }
 781     osys->mouse.ch_activity = false;
 782     vlc_mutex_unlock(&osys->lock);
 783
 784     if (hide_mouse) {
 785         if (!vd->info.has_hide_mouse) {
 786             msg_Dbg(vd, "auto hiding mouse");
 787             vout_display_Control(vd, VOUT_DISPLAY_HIDE_MOUSE);
 788         }
 789         vout_SendEventMouseHidden(osys->vout);
 790     }
 791
 792     bool reset_render = false;
 793     for (;;) {
 794
 795         vlc_mutex_lock(&osys->lock);
 796
 797         bool ch_fullscreen  = osys->ch_fullscreen;
 798         bool is_fullscreen  = osys->is_fullscreen;
 799         osys->ch_fullscreen = false;
 800
 801         bool ch_wm_state  = osys->ch_wm_state;
 802         unsigned wm_state  = osys->wm_state;
 803         osys->ch_wm_state = false;
 804
 805         bool ch_display_size       = osys->ch_display_size;
 806         int  display_width         = osys->display_width;
 807         int  display_height        = osys->display_height;
 808         bool display_is_fullscreen = osys->display_is_fullscreen;
 809         bool display_is_forced     = osys->display_is_forced;
 810         osys->ch_display_size = false;
 811
 812         bool reset_pictures;
 813         if (allow_reset_pictures) {
 814             reset_pictures = osys->reset_pictures;
 815             osys->reset_pictures = false;
 816         } else {
 817             reset_pictures = false;
 818         }
 819
 820         vlc_mutex_unlock(&osys->lock);
 821
 822         if (!ch_fullscreen &&
 823             !ch_display_size &&
 824             !reset_pictures &&
 825             !osys->ch_display_filled &&
 826             !osys->ch_zoom &&
 827             !ch_wm_state &&
 828             !osys->ch_sar &&
 829             !osys->ch_crop) {
 830
 831             if (!osys->cfg.is_fullscreen && osys->fit_window != 0) {
 832                 VoutDisplayFitWindow(vd, osys->fit_window == -1);
 833                 osys->fit_window = 0;
 834                 continue;
 835             }
 836             break;
 837         }
 838
 839         /* */
 840         if (ch_fullscreen) {
 841             vout_display_cfg_t cfg = osys->cfg;
 842
 843             cfg.is_fullscreen  = is_fullscreen;
 844             cfg.display.width  = cfg.is_fullscreen ? 0 : osys->width_saved;
 845             cfg.display.height = cfg.is_fullscreen ? 0 : osys->height_saved;
 846
 847             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_FULLSCREEN, &cfg)) {
 848                 msg_Err(vd, "Failed to set fullscreen");
 849                 is_fullscreen = osys->cfg.is_fullscreen;
 850             } else if (!is_fullscreen) {
 851                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, true);
 852             }
 853             osys->cfg.is_fullscreen = is_fullscreen;
 854
 855             /* */
 856             vout_SendEventFullscreen(osys->vout, osys->cfg.is_fullscreen);
 857         }
 858
 859         /* */
 860         if (ch_display_size) {
 861             vout_display_cfg_t cfg = osys->cfg;
 862             cfg.display.width  = display_width;
 863             cfg.display.height = display_height;
 864
 865             if (!cfg.is_fullscreen != !display_is_fullscreen ||
 866                 vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_SIZE, &cfg, display_is_forced)) {
 867                 if (!cfg.is_fullscreen == !display_is_fullscreen)
 868                     msg_Err(vd, "Failed to resize display");
 869
 870                 /* We ignore the resized */
 871                 display_width  = osys->cfg.display.width;
 872                 display_height = osys->cfg.display.height;
 873             }
 874             osys->cfg.display.width  = display_width;
 875             osys->cfg.display.height = display_height;
 876
 877             if (!display_is_fullscreen) {
 878                 osys->width_saved  = display_width;
 879                 osys->height_saved = display_height;
 880             }
 881         }
 882         /* */
 883         if (osys->ch_display_filled) {
 884             vout_display_cfg_t cfg = osys->cfg;
 885
 886             cfg.is_display_filled = osys->is_display_filled;
 887
 888             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, &cfg)) {
 889                 msg_Err(vd, "Failed to change display filled state");
 890                 osys->is_display_filled = osys->cfg.is_display_filled;
 891             }
 892             osys->cfg.is_display_filled = osys->is_display_filled;
 893             osys->ch_display_filled = false;
 894
 895             vout_SendEventDisplayFilled(osys->vout, osys->cfg.is_display_filled);
 896         }
 897         /* */
 898         if (osys->ch_zoom) {
 899             vout_display_cfg_t cfg = osys->cfg;
 900
 901             cfg.zoom.num = osys->zoom.num;
 902             cfg.zoom.den = osys->zoom.den;
 903
 904             if (10 * cfg.zoom.num <= cfg.zoom.den) {
 905                 cfg.zoom.num = 1;
 906                 cfg.zoom.den = 10;
 907             } else if (cfg.zoom.num >= 10 * cfg.zoom.den) {
 908                 cfg.zoom.num = 10;
 909                 cfg.zoom.den = 1;
 910             }
 911
 912             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_ZOOM, &cfg)) {
 913                 msg_Err(vd, "Failed to change zoom");
 914                 osys->zoom.num = osys->cfg.zoom.num;
 915                 osys->zoom.den = osys->cfg.zoom.den;
 916             } else {
 917                 osys->fit_window = -1;
 918             }
 919
 920             osys->cfg.zoom.num = osys->zoom.num;
 921             osys->cfg.zoom.den = osys->zoom.den;
 922             osys->ch_zoom = false;
 923
 924             vout_SendEventZoom(osys->vout, osys->cfg.zoom.num, osys->cfg.zoom.den);
 925         }
 926         /* */
 927         if (ch_wm_state) {
 928             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_WINDOW_STATE, wm_state)) {
 929                 msg_Err(vd, "Failed to set on top");
 930                 wm_state = osys->wm_state;
 931             }
 932             osys->wm_state_initial = wm_state;
 933
 934             /* */
 935             vout_SendEventOnTop(osys->vout, osys->wm_state_initial);
 936         }
 937         /* */
 938         if (osys->ch_sar) {
 939             video_format_t source = vd->source;
 940
 941             if (osys->sar.num > 0 && osys->sar.den > 0) {
 942                 source.i_sar_num = osys->sar.num;
 943                 source.i_sar_den = osys->sar.den;
 944             } else {
 945                 source.i_sar_num = osys->source.i_sar_num;
 946                 source.i_sar_den = osys->source.i_sar_den;
 947             }
 948
 949             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, &source)) {
 950                 /* There nothing much we can do. The only reason a vout display
 951                  * does not support it is because it need the core to add black border
 952                  * to the video for it.
 953                  * TODO add black borders ?
 954                  */
 955                 msg_Err(vd, "Failed to change source AR");
 956                 source = vd->source;
 957             } else if (!osys->fit_window) {
 958                 osys->fit_window = 1;
 959             }
 960             vd->source = source;
 961             osys->sar.num = source.i_sar_num;
 962             osys->sar.den = source.i_sar_den;
 963             osys->ch_sar  = false;
 964
 965             /* */
 966             if (osys->sar.num == osys->source.i_sar_num &&
 967                 osys->sar.den == osys->source.i_sar_den)
 968             {
 969                 vout_SendEventSourceAspect(osys->vout, 0, 0);
 970             }
 971             else
 972             {
 973                 unsigned dar_num, dar_den;
 974                 vlc_ureduce( &dar_num, &dar_den,
 975                              osys->sar.num * vd->source.i_visible_width,
 976                              osys->sar.den * vd->source.i_visible_height,
 977                              65536);
 978                 vout_SendEventSourceAspect(osys->vout, dar_num, dar_den);
 979             }
 980             /* If a crop ratio is requested, recompute the parameters */
 981             if (osys->crop.num > 0 && osys->crop.den > 0)
 982                 osys->ch_crop = true;
 983         }
 984         /* */
 985         if (osys->ch_crop) {
 986             video_format_t source = vd->source;
 987
 988             unsigned crop_num = osys->crop.num;
 989             unsigned crop_den = osys->crop.den;
 990             if (crop_num > 0 && crop_den > 0) {
 991                 video_format_t fmt = osys->source;
 992                 fmt.i_sar_num = source.i_sar_num;
 993                 fmt.i_sar_den = source.i_sar_den;
 994                 VoutDisplayCropRatio(&osys->crop.left,  &osys->crop.top,
 995                                      &osys->crop.right, &osys->crop.bottom,
 996                                      &fmt, crop_num, crop_den);
 997             }
 998             const int right_max  = osys->source.i_x_offset + osys->source.i_visible_width;
 999             const int bottom_max = osys->source.i_y_offset + osys->source.i_visible_height;
1000 #define __CLIP(v, a, b) __MAX(__MIN(v, b), a)
1001             int left   = __CLIP((int)osys->source.i_x_offset + osys->crop.left,
1002                                 0, right_max - 1);
1003             int top    = __CLIP((int)osys->source.i_y_offset + osys->crop.top,
1004                                 0, bottom_max - 1);
1005             int right, bottom;
1006             if (osys->crop.right <= 0)
1007                 right = (int)(osys->source.i_x_offset + osys->source.i_visible_width) + osys->crop.right;
1008             else
1009                 right = (int)osys->source.i_x_offset + osys->crop.right;
1010             right = __CLIP(right, left + 1, right_max);
1011             if (osys->crop.bottom <= 0)
1012                 bottom = (int)(osys->source.i_y_offset + osys->source.i_visible_height) + osys->crop.bottom;
1013             else
1014                 bottom = (int)osys->source.i_y_offset + osys->crop.bottom;
1015             bottom = __CLIP(bottom, top + 1, bottom_max);
1016
1017             source.i_x_offset       = left;
1018             source.i_y_offset       = top;
1019             source.i_visible_width  = right - left;
1020             source.i_visible_height = bottom - top;
1021 #undef __CLIP
1022             video_format_Print(VLC_OBJECT(vd), "SOURCE ", &osys->source);
1023             video_format_Print(VLC_OBJECT(vd), "CROPPED", &source);
1024             if (vout_display_Control(vd, VOUT_DISPLAY_CHANGE_SOURCE_CROP, &source)) {
1025                 msg_Err(vd, "Failed to change source crop TODO implement crop at core");
1026
1027                 source = vd->source;
1028                 crop_num = osys->crop_saved.num;
1029                 crop_den = osys->crop_saved.den;
1030                 /* FIXME implement cropping in the core if not supported by the
1031                  * vout module (easy)
1032                  */
1033             } else if (!osys->fit_window) {
1034                 osys->fit_window = 1;
1035             }
1036             vd->source = source;
1037             osys->crop.left   = source.i_x_offset - osys->source.i_x_offset;
1038             osys->crop.top    = source.i_y_offset - osys->source.i_y_offset;
1039             /* FIXME for right/bottom we should keep the 'type' border vs window */
1040             osys->crop.right  = (source.i_x_offset + source.i_visible_width) -
1041                                 (osys->source.i_x_offset + osys->source.i_visible_width);
1042             osys->crop.bottom = (source.i_y_offset + source.i_visible_height) -
1043                                 (osys->source.i_y_offset + osys->source.i_visible_height);
1044             osys->crop.num    = crop_num;
1045             osys->crop.den    = crop_den;
1046             osys->ch_crop = false;
1047
1048             vout_SendEventSourceCrop(osys->vout,
1049                                      osys->crop.num, osys->crop.den,
1050                                      osys->crop.left, osys->crop.top,
1051                                      -osys->crop.right, -osys->crop.bottom);
1052         }
1053
1054         /* */
1055         if (reset_pictures) {
1056             if (vout_display_Control(vd, VOUT_DISPLAY_RESET_PICTURES)) {
1057                 /* FIXME what to do here ? */
1058                 msg_Err(vd, "Failed to reset pictures (probably fatal)");
1059             }
1060             reset_render = true;
1061         }
1062     }
1063     if (reset_render)
1064         VoutDisplayResetRender(vd);
1065 }
1066
1067 bool vout_AreDisplayPicturesInvalid(vout_display_t *vd)
1068 {
1069     vout_display_owner_sys_t *osys = vd->owner.sys;
1070
1071     vlc_mutex_lock(&osys->lock);
1072     const bool reset_pictures = osys->reset_pictures;
1073     vlc_mutex_unlock(&osys->lock);
1074
1075     return reset_pictures;
1076 }
1077
1078 bool vout_IsDisplayFiltered(vout_display_t *vd)
1079 {
1080     vout_display_owner_sys_t *osys = vd->owner.sys;
1081
1082     return osys->filters != NULL;
1083 }
1084
1085 picture_t *vout_FilterDisplay(vout_display_t *vd, picture_t *picture)
1086 {
1087     vout_display_owner_sys_t *osys = vd->owner.sys;
1088
1089     assert(osys->filters);
1090     return filter_chain_VideoFilter(osys->filters, picture);
1091 }
1092
1093 void vout_UpdateDisplaySourceProperties(vout_display_t *vd, const video_format_t *source)
1094 {
1095     vout_display_owner_sys_t *osys = vd->owner.sys;
1096
1097     if (source->i_sar_num * osys->source.i_sar_den !=
1098         source->i_sar_den * osys->source.i_sar_num) {
1099
1100         osys->source.i_sar_num = source->i_sar_num;
1101         osys->source.i_sar_den = source->i_sar_den;
1102         vlc_ureduce(&osys->source.i_sar_num, &osys->source.i_sar_den,
1103                     osys->source.i_sar_num, osys->source.i_sar_den, 0);
1104
1105         /* FIXME it will override any AR that the user would have forced */
1106         osys->ch_sar = true;
1107         osys->sar.num = osys->source.i_sar_num;
1108         osys->sar.den = osys->source.i_sar_den;
1109     }
1110     if (source->i_x_offset       != osys->source.i_x_offset ||
1111         source->i_y_offset       != osys->source.i_y_offset ||
1112         source->i_visible_width  != osys->source.i_visible_width ||
1113         source->i_visible_height != osys->source.i_visible_height) {
1114
1115         video_format_CopyCrop(&osys->source, source);
1116
1117         /* Force the vout to reapply the current user crop settings over the new decoder
1118          * crop settings. */
1119         osys->ch_crop = true;
1120     }
1121 }
1122
1123 void vout_SetDisplayFullscreen(vout_display_t *vd, bool is_fullscreen)
1124 {
1125     vout_display_owner_sys_t *osys = vd->owner.sys;
1126
1127     vlc_mutex_lock(&osys->lock);
1128     if (!osys->is_fullscreen != !is_fullscreen) {
1129         osys->ch_fullscreen = true;
1130         osys->is_fullscreen = is_fullscreen;
1131     }
1132     vlc_mutex_unlock(&osys->lock);
1133 }
1134
1135 void vout_SetDisplayFilled(vout_display_t *vd, bool is_filled)
1136 {
1137     vout_display_owner_sys_t *osys = vd->owner.sys;
1138
1139     if (!osys->is_display_filled != !is_filled) {
1140         osys->ch_display_filled = true;
1141         osys->is_display_filled = is_filled;
1142     }
1143 }
1144
1145 void vout_SetDisplayZoom(vout_display_t *vd, int num, int den)
1146 {
1147     vout_display_owner_sys_t *osys = vd->owner.sys;
1148
1149     if (osys->is_display_filled ||
1150         osys->zoom.num != num || osys->zoom.den != den) {
1151         osys->ch_zoom = true;
1152         osys->zoom.num = num;
1153         osys->zoom.den = den;
1154     }
1155 }
1156
1157 void vout_SetWindowState(vout_display_t *vd, unsigned state)
1158 {
1159     vout_display_owner_sys_t *osys = vd->owner.sys;
1160
1161     vlc_mutex_lock(&osys->lock);
1162     if (osys->wm_state != state) {
1163         osys->ch_wm_state = true;
1164         osys->wm_state = state;
1165     }
1166     vlc_mutex_unlock(&osys->lock);
1167 }
1168
1169 void vout_SetDisplayAspect(vout_display_t *vd, unsigned dar_num, unsigned dar_den)
1170 {
1171     vout_display_owner_sys_t *osys = vd->owner.sys;
1172
1173     unsigned sar_num, sar_den;
1174     if (dar_num > 0 && dar_den > 0) {
1175         sar_num = dar_num * osys->source.i_visible_height;
1176         sar_den = dar_den * osys->source.i_visible_width;
1177         vlc_ureduce(&sar_num, &sar_den, sar_num, sar_den, 0);
1178     } else {
1179         sar_num = 0;
1180         sar_den = 0;
1181     }
1182
1183     if (osys->sar.num != sar_num || osys->sar.den != sar_den) {
1184         osys->ch_sar = true;
1185         osys->sar.num = sar_num;
1186         osys->sar.den = sar_den;
1187     }
1188 }
1189 void vout_SetDisplayCrop(vout_display_t *vd,
1190                          unsigned crop_num, unsigned crop_den,
1191                          unsigned left, unsigned top, int right, int bottom)
1192 {
1193     vout_display_owner_sys_t *osys = vd->owner.sys;
1194
1195     if (osys->crop.left  != (int)left  || osys->crop.top != (int)top ||
1196         osys->crop.right != right || osys->crop.bottom != bottom ||
1197         (crop_num > 0 && crop_den > 0 &&
1198          (crop_num != osys->crop.num || crop_den != osys->crop.den))) {
1199
1200         osys->crop.left   = left;
1201         osys->crop.top    = top;
1202         osys->crop.right  = right;
1203         osys->crop.bottom = bottom;
1204         osys->crop.num    = crop_num;
1205         osys->crop.den    = crop_den;
1206
1207         osys->ch_crop = true;
1208     }
1209 }
1210 vout_opengl_t *vout_GetDisplayOpengl(vout_display_t *vd)
1211 {
1212     vout_opengl_t *gl;
1213     if (vout_display_Control(vd, VOUT_DISPLAY_GET_OPENGL, &gl))
1214         return NULL;
1215     return gl;
1216 }
1217
1218 static vout_display_t *DisplayNew(vout_thread_t *vout,
1219                                   const video_format_t *source_org,
1220                                   const vout_display_state_t *state,
1221                                   const char *module,
1222                                   bool is_wrapper, vout_display_t *wrapper,
1223                                   mtime_t double_click_timeout,
1224                                   mtime_t hide_timeout,
1225                                   const vout_display_owner_t *owner_ptr)
1226 {
1227     /* */
1228     vout_display_owner_sys_t *osys = calloc(1, sizeof(*osys));
1229     vout_display_cfg_t *cfg = &osys->cfg;
1230
1231     *cfg = state->cfg;
1232     osys->wm_state_initial = -1;
1233     osys->sar_initial.num = state->sar.num;
1234     osys->sar_initial.den = state->sar.den;
1235     vout_display_GetDefaultDisplaySize(&cfg->display.width, &cfg->display.height,
1236                                        source_org, cfg);
1237
1238     osys->vout = vout;
1239     osys->is_wrapper = is_wrapper;
1240     osys->wrapper = wrapper;
1241
1242     vlc_mutex_init(&osys->lock);
1243
1244     vlc_mouse_Init(&osys->mouse.state);
1245     osys->mouse.last_moved = mdate();
1246     osys->mouse.double_click_timeout = double_click_timeout;
1247     osys->mouse.hide_timeout = hide_timeout;
1248     osys->is_fullscreen  = cfg->is_fullscreen;
1249     osys->display_width  = cfg->display.width;
1250     osys->display_height = cfg->display.height;
1251     osys->is_display_filled = cfg->is_display_filled;
1252     osys->width_saved    = cfg->display.width;
1253     osys->height_saved   = cfg->display.height;
1254     if (osys->is_fullscreen) {
1255         vout_display_cfg_t cfg_windowed = *cfg;
1256         cfg_windowed.is_fullscreen  = false;
1257         cfg_windowed.display.width  = 0;
1258         cfg_windowed.display.height = 0;
1259         vout_display_GetDefaultDisplaySize(&osys->width_saved,
1260                                            &osys->height_saved,
1261                                            source_org, &cfg_windowed);
1262     }
1263     osys->zoom.num = cfg->zoom.num;
1264     osys->zoom.den = cfg->zoom.den;
1265     osys->wm_state = state->wm_state;
1266     osys->fit_window = 0;
1267     osys->event.fifo = NULL;
1268
1269     osys->source = *source_org;
1270     osys->crop.left   = 0;
1271     osys->crop.top    = 0;
1272     osys->crop.right  = 0;
1273     osys->crop.bottom = 0;
1274     osys->crop_saved.num = 0;
1275     osys->crop_saved.den = 0;
1276     osys->crop.num = 0;
1277     osys->crop.den = 0;
1278
1279     osys->sar.num = osys->sar_initial.num ? osys->sar_initial.num : source_org->i_sar_num;
1280     osys->sar.den = osys->sar_initial.den ? osys->sar_initial.den : source_org->i_sar_den;
1281 #ifdef ALLOW_DUMMY_VOUT
1282     vlc_mouse_Init(&osys->vout_mouse);
1283 #endif
1284
1285     vout_display_owner_t owner;
1286     if (owner_ptr) {
1287         owner = *owner_ptr;
1288     } else {
1289         owner.event      = VoutDisplayEvent;
1290         owner.window_new = VoutDisplayNewWindow;
1291         owner.window_del = VoutDisplayDelWindow;
1292     }
1293     owner.sys = osys;
1294
1295     /* */
1296     video_format_t source = *source_org;
1297
1298     source.i_x_offset = 0;
1299     source.i_y_offset = 0;
1300     source.i_visible_width  = source.i_width;
1301     source.i_visible_height = source.i_height;
1302
1303     vout_display_t *p_display = vout_display_New(VLC_OBJECT(vout),
1304                                                  module, !is_wrapper,
1305                                                  &source, cfg, &owner);
1306     if (!p_display) {
1307         free(osys);
1308         return NULL;
1309     }
1310
1311     VoutDisplayCreateRender(p_display);
1312
1313     /* Setup delayed request */
1314     if (osys->sar.num != source.i_sar_num ||
1315         osys->sar.den != source.i_sar_den)
1316         osys->ch_sar = true;
1317     if (osys->wm_state != osys->wm_state_initial)
1318         osys->ch_wm_state = true;
1319     if (source.i_x_offset       != source_org->i_x_offset ||
1320         source.i_y_offset       != source_org->i_y_offset ||
1321         source.i_visible_width  != source_org->i_visible_width ||
1322         source.i_visible_height != source_org->i_visible_height)
1323         osys->ch_crop = true;
1324
1325     return p_display;
1326 }
1327
1328 void vout_DeleteDisplay(vout_display_t *vd, vout_display_state_t *state)
1329 {
1330     vout_display_owner_sys_t *osys = vd->owner.sys;
1331
1332     if (state) {
1333         if (!osys->is_wrapper )
1334             state->cfg = osys->cfg;
1335         state->wm_state = osys->wm_state;
1336         state->sar.num  = osys->sar_initial.num;
1337         state->sar.den  = osys->sar_initial.den;
1338     }
1339
1340     VoutDisplayDestroyRender(vd);
1341     if (osys->is_wrapper)
1342         SplitterClose(vd);
1343     vout_display_Delete(vd);
1344     if (osys->event.fifo) {
1345         vlc_cancel(osys->event.thread);
1346         vlc_join(osys->event.thread, NULL);
1347         block_FifoRelease(osys->event.fifo);
1348     }
1349     vlc_mutex_destroy(&osys->lock);
1350     free(osys);
1351 }
1352
1353 /*****************************************************************************
1354  *
1355  *****************************************************************************/
1356 vout_display_t *vout_NewDisplay(vout_thread_t *vout,
1357                                 const video_format_t *source,
1358                                 const vout_display_state_t *state,
1359                                 const char *module,
1360                                 mtime_t double_click_timeout,
1361                                 mtime_t hide_timeout)
1362 {
1363     return DisplayNew(vout, source, state, module, false, NULL,
1364                       double_click_timeout, hide_timeout, NULL);
1365 }
1366
1367 /*****************************************************************************
1368  *
1369  *****************************************************************************/
1370 struct vout_display_sys_t {
1371     picture_pool_t   *pool;
1372     video_splitter_t *splitter;
1373
1374     /* */
1375     int            count;
1376     picture_t      **picture;
1377     vout_display_t **display;
1378 };
1379 struct video_splitter_owner_t {
1380     vout_display_t *wrapper;
1381 };
1382
1383 static vout_window_t *SplitterNewWindow(vout_display_t *vd, const vout_window_cfg_t *cfg_ptr)
1384 {
1385     vout_display_owner_sys_t *osys = vd->owner.sys;
1386
1387     vout_window_cfg_t cfg = *cfg_ptr;
1388     cfg.is_standalone = true;
1389     cfg.x += 0;//output->window.i_x; FIXME
1390     cfg.y += 0;//output->window.i_y;
1391
1392     return vout_NewDisplayWindow(osys->vout, vd, &cfg);
1393 }
1394 static void SplitterDelWindow(vout_display_t *vd, vout_window_t *window)
1395 {
1396     vout_display_owner_sys_t *osys = vd->owner.sys;
1397
1398     vout_DeleteDisplayWindow(osys->vout, vd, window);
1399 }
1400 static void SplitterEvent(vout_display_t *vd, int event, va_list args)
1401 {
1402     //vout_display_owner_sys_t *osys = vd->owner.sys;
1403
1404     switch (event) {
1405 #if 0
1406     case VOUT_DISPLAY_EVENT_MOUSE_STATE:
1407     case VOUT_DISPLAY_EVENT_MOUSE_MOVED:
1408     case VOUT_DISPLAY_EVENT_MOUSE_PRESSED:
1409     case VOUT_DISPLAY_EVENT_MOUSE_RELEASED:
1410         /* TODO */
1411         break;
1412 #endif
1413     case VOUT_DISPLAY_EVENT_MOUSE_DOUBLE_CLICK:
1414     case VOUT_DISPLAY_EVENT_KEY:
1415     case VOUT_DISPLAY_EVENT_CLOSE:
1416     case VOUT_DISPLAY_EVENT_FULLSCREEN:
1417     case VOUT_DISPLAY_EVENT_DISPLAY_SIZE:
1418     case VOUT_DISPLAY_EVENT_PICTURES_INVALID:
1419         VoutDisplayEvent(vd, event, args);
1420         break;
1421
1422     default:
1423         msg_Err(vd, "SplitterEvent TODO");
1424         break;
1425     }
1426 }
1427
1428 static picture_pool_t *SplitterPool(vout_display_t *vd, unsigned count)
1429 {
1430     vout_display_sys_t *sys = vd->sys;
1431     if (!sys->pool)
1432         sys->pool = picture_pool_NewFromFormat(&vd->fmt, count);
1433     return sys->pool;
1434 }
1435 static void SplitterPrepare(vout_display_t *vd,
1436                             picture_t *picture,
1437                             subpicture_t *subpicture)
1438 {
1439     vout_display_sys_t *sys = vd->sys;
1440
1441     picture_Hold(picture);
1442     assert(!subpicture);
1443
1444     if (video_splitter_Filter(sys->splitter, sys->picture, picture)) {
1445         for (int i = 0; i < sys->count; i++)
1446             sys->picture[i] = NULL;
1447         picture_Release(picture);
1448         return;
1449     }
1450
1451     for (int i = 0; i < sys->count; i++) {
1452         if (vout_IsDisplayFiltered(sys->display[i]))
1453             sys->picture[i] = vout_FilterDisplay(sys->display[i], sys->picture[i]);
1454         if (sys->picture[i])
1455             vout_display_Prepare(sys->display[i], sys->picture[i], NULL);
1456     }
1457 }
1458 static void SplitterDisplay(vout_display_t *vd,
1459                             picture_t *picture,
1460                             subpicture_t *subpicture)
1461 {
1462     vout_display_sys_t *sys = vd->sys;
1463
1464     assert(!subpicture);
1465     for (int i = 0; i < sys->count; i++) {
1466         if (sys->picture[i])
1467             vout_display_Display(sys->display[i], sys->picture[i], NULL);
1468     }
1469     picture_Release(picture);
1470 }
1471 static int SplitterControl(vout_display_t *vd, int query, va_list args)
1472 {
1473     return VLC_EGENERIC;
1474 }
1475 static void SplitterManage(vout_display_t *vd)
1476 {
1477     vout_display_sys_t *sys = vd->sys;
1478
1479     for (int i = 0; i < sys->count; i++)
1480         vout_ManageDisplay(sys->display[i], true);
1481 }
1482
1483 static int SplitterPictureNew(video_splitter_t *splitter, picture_t *picture[])
1484 {
1485     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1486
1487     for (int i = 0; i < wsys->count; i++) {
1488         if (vout_IsDisplayFiltered(wsys->display[i])) {
1489             /* TODO use a pool ? */
1490             picture[i] = picture_NewFromFormat(&wsys->display[i]->source);
1491         } else {
1492             picture_pool_t *pool = vout_display_Pool(wsys->display[i], 1);
1493             picture[i] = pool ? picture_pool_Get(pool) : NULL;
1494         }
1495         if (!picture[i]) {
1496             for (int j = 0; j < i; j++)
1497                 picture_Release(picture[j]);
1498             return VLC_EGENERIC;
1499         }
1500     }
1501     return VLC_SUCCESS;
1502 }
1503 static void SplitterPictureDel(video_splitter_t *splitter, picture_t *picture[])
1504 {
1505     vout_display_sys_t *wsys = splitter->p_owner->wrapper->sys;
1506
1507     for (int i = 0; i < wsys->count; i++)
1508         picture_Release(picture[i]);
1509 }
1510 static void SplitterClose(vout_display_t *vd)
1511 {
1512     vout_display_sys_t *sys = vd->sys;
1513
1514     /* */
1515     video_splitter_t *splitter = sys->splitter;
1516     free(splitter->p_owner);
1517     video_splitter_Delete(splitter);
1518
1519     if (sys->pool)
1520         picture_pool_Delete(sys->pool);
1521
1522     /* */
1523     for (int i = 0; i < sys->count; i++)
1524         vout_DeleteDisplay(sys->display[i], NULL);
1525     TAB_CLEAN(sys->count, sys->display);
1526     free(sys->picture);
1527
1528     free(sys);
1529 }
1530
1531 vout_display_t *vout_NewSplitter(vout_thread_t *vout,
1532                                  const video_format_t *source,
1533                                  const vout_display_state_t *state,
1534                                  const char *module,
1535                                  const char *splitter_module,
1536                                  mtime_t double_click_timeout,
1537                                  mtime_t hide_timeout)
1538 {
1539     video_splitter_t *splitter =
1540         video_splitter_New(VLC_OBJECT(vout), splitter_module, source);
1541     if (!splitter)
1542         return NULL;
1543
1544     /* */
1545     vout_display_t *wrapper =
1546         DisplayNew(vout, source, state, module, true, NULL,
1547                     double_click_timeout, hide_timeout, NULL);
1548     if (!wrapper) {
1549         video_splitter_Delete(splitter);
1550         return NULL;
1551     }
1552     vout_display_sys_t *sys = malloc(sizeof(*sys));
1553     if (!sys)
1554         abort();
1555     sys->picture = calloc(splitter->i_output, sizeof(*sys->picture));
1556     if (!sys->picture )
1557         abort();
1558     sys->splitter = splitter;
1559     sys->pool     = NULL;
1560
1561     wrapper->pool    = SplitterPool;
1562     wrapper->prepare = SplitterPrepare;
1563     wrapper->display = SplitterDisplay;
1564     wrapper->control = SplitterControl;
1565     wrapper->manage  = SplitterManage;
1566     wrapper->sys     = sys;
1567
1568     /* */
1569     video_splitter_owner_t *owner = malloc(sizeof(*owner));
1570     if (!owner)
1571         abort();
1572     owner->wrapper = wrapper;
1573     splitter->p_owner = owner;
1574     splitter->pf_picture_new = SplitterPictureNew;
1575     splitter->pf_picture_del = SplitterPictureDel;
1576
1577     /* */
1578     TAB_INIT(sys->count, sys->display);
1579     for (int i = 0; i < splitter->i_output; i++) {
1580         vout_display_owner_t owner;
1581
1582         owner.event      = SplitterEvent;
1583         owner.window_new = SplitterNewWindow;
1584         owner.window_del = SplitterDelWindow;
1585
1586         const video_splitter_output_t *output = &splitter->p_output[i];
1587         vout_display_state_t ostate;
1588
1589         memset(&ostate, 0, sizeof(ostate));
1590         ostate.cfg.is_fullscreen = false;
1591         ostate.cfg.display = state->cfg.display;
1592         ostate.cfg.align.horizontal = 0; /* TODO */
1593         ostate.cfg.align.vertical = 0; /* TODO */
1594         ostate.cfg.is_display_filled = true;
1595         ostate.cfg.zoom.num = 1;
1596         ostate.cfg.zoom.den = 1;
1597
1598         vout_display_t *vd = DisplayNew(vout, &output->fmt, &ostate,
1599                                            output->psz_module ? output->psz_module : module,
1600                                            false, wrapper,
1601                                            double_click_timeout, hide_timeout, &owner);
1602         if (!vd) {
1603             vout_DeleteDisplay(wrapper, NULL);
1604             return NULL;
1605         }
1606         TAB_APPEND(sys->count, sys->display, vd);
1607     }
1608
1609     return wrapper;
1610 }
1611
1612 /*****************************************************************************
1613  * TODO move out
1614  *****************************************************************************/
1615 #include "vout_internal.h"
1616 void vout_SendDisplayEventMouse(vout_thread_t *vout, const vlc_mouse_t *m)
1617 {
1618     vlc_mouse_t tmp1, tmp2;
1619
1620     /* The check on spu is needed as long as ALLOW_DUMMY_VOUT is defined */
1621     if (vout->p->spu && spu_ProcessMouse( vout->p->spu, m, &vout->p->display.vd->source))
1622         return;
1623
1624     vlc_mutex_lock( &vout->p->filter.lock );
1625     if (vout->p->filter.chain_static && vout->p->filter.chain_interactive) {
1626         if (!filter_chain_MouseFilter(vout->p->filter.chain_interactive, &tmp1, m))
1627             m = &tmp1;
1628         if (!filter_chain_MouseFilter(vout->p->filter.chain_static,      &tmp2, m))
1629             m = &tmp2;
1630     }
1631     vlc_mutex_unlock( &vout->p->filter.lock );
1632
1633     if (vlc_mouse_HasMoved(&vout->p->mouse, m)) {
1634         vout_SendEventMouseMoved(vout, m->i_x, m->i_y);
1635     }
1636     if (vlc_mouse_HasButton(&vout->p->mouse, m)) {
1637         for (unsigned button = 0; button < MOUSE_BUTTON_MAX; button++) {
1638             if (vlc_mouse_HasPressed(&vout->p->mouse, m, button))
1639                 vout_SendEventMousePressed(vout, button);
1640             else if (vlc_mouse_HasReleased(&vout->p->mouse, m, button))
1641                 vout_SendEventMouseReleased(vout, button);
1642         }
1643     }
1644     if (m->b_double_click)
1645         vout_SendEventMouseDoubleClick(vout);
1646     vout->p->mouse = *m;
1647 }
1648 #ifdef ALLOW_DUMMY_VOUT
1649 static void DummyVoutSendDisplayEventMouse(vout_thread_t *vout, vlc_mouse_t *fallback, const vlc_mouse_t *m)
1650 {
1651     vout_thread_sys_t p;
1652
1653     if (!vout->p) {
1654         p.mouse = *fallback;
1655         vlc_mutex_init(&p.filter.lock);
1656         p.filter.chain_static = NULL;
1657         p.filter.chain_interactive = NULL;
1658         p.spu = NULL;
1659         vout->p = &p;
1660     }
1661     vout_SendDisplayEventMouse(vout, m);
1662     if (vout->p == &p) {
1663         vlc_mutex_destroy(&p.filter.lock);
1664         *fallback = p.mouse;
1665         vout->p = NULL;
1666     }
1667 }
1668 #endif
1669