git.sesse.net Git - casparcg/blob - core/producer/scene/scene_producer.cpp

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Helge Norberg, helge.norberg@svt.se
  20 */
  21
  22 #include "../../StdAfx.h"
  23
  24 #include <common/future.h>
  25 #include <common/prec_timer.h>
  26
  27 #include <boost/algorithm/string/split.hpp>
  28 #include <boost/algorithm/string.hpp>
  29
  30 #include "scene_producer.h"
  31
  32 #include "../../frame/draw_frame.h"
  33 #include "../../interaction/interaction_aggregator.h"
  34 #include "../text/text_producer.h"
  35
  36 namespace caspar { namespace core { namespace scene {
  37
  38 layer::layer(const std::wstring& name, const spl::shared_ptr<frame_producer>& producer)
  39         : name(name), producer(producer)
  40 {
  41         crop.lower_right.x.bind(producer.get()->pixel_constraints().width);
  42         crop.lower_right.y.bind(producer.get()->pixel_constraints().height);
  43         perspective.upper_right.x.bind(producer.get()->pixel_constraints().width);
  44         perspective.lower_right.x.bind(producer.get()->pixel_constraints().width);
  45         perspective.lower_right.y.bind(producer.get()->pixel_constraints().height);
  46         perspective.lower_left.y.bind(producer.get()->pixel_constraints().height);
  47 }
  48
  49 adjustments::adjustments()
  50         : opacity(1.0)
  51 {
  52 }
  53
  54 struct timeline
  55 {
  56         std::map<int64_t, keyframe> keyframes;
  57
  58         void on_frame(int64_t frame)
  59         {
  60                 auto before = --keyframes.upper_bound(frame);
  61                 bool found_before = before != keyframes.end() && before->first < frame;
  62                 auto after = keyframes.upper_bound(frame);
  63                 bool found_after = after != keyframes.end() && after->first > frame;
  64                 auto exact_frame = keyframes.find(frame);
  65                 bool found_exact_frame = exact_frame != keyframes.end();
  66
  67                 if (found_exact_frame)
  68                 {
  69                         exact_frame->second.on_destination_frame();
  70
  71                         auto next_frame = ++exact_frame;
  72
  73                         if (next_frame != keyframes.end() && next_frame->second.on_start_animate)
  74                                 next_frame->second.on_start_animate();
  75                 }
  76                 else if (found_after)
  77                 {
  78                         int64_t start_frame = 0;
  79
  80                         if (found_before)
  81                         {
  82                                 start_frame = before->first;
  83                         }
  84
  85                         if (after->second.on_start_animate && frame == 0)
  86                                 after->second.on_start_animate();
  87                         else if (after->second.on_animate_to)
  88                                 after->second.on_animate_to(start_frame, frame);
  89                 }
  90         }
  91 };
  92
  93 mark_action get_mark_action(const std::wstring& name)
  94 {
  95         if (name == L"start")
  96                 return mark_action::start;
  97         else if (name == L"stop")
  98                 return mark_action::stop;
  99         else if (name == L"jump_to")
 100                 return mark_action::jump_to;
 101         else if (name == L"remove")
 102                 return mark_action::remove;
 103         else
 104                 CASPAR_THROW_EXCEPTION(user_error() << msg_info(L"Invalid mark_action " + name));
 105 }
 106
 107 struct marker
 108 {
 109         mark_action             action;
 110         std::wstring    label_argument;
 111
 112         marker(mark_action action, const std::wstring& label_argument)
 113                 : action(action)
 114                 , label_argument(label_argument)
 115         {
 116         }
 117 };
 118
 119 struct scene_producer::impl
 120 {
 121         std::wstring                                                                                    producer_name_;
 122         std::wstring                                                                                    template_name_;
 123         constraints                                                                                             pixel_constraints_;
 124         video_format_desc                                                                               format_desc_;
 125         std::list<layer>                                                                                layers_;
 126         interaction_aggregator                                                                  aggregator_;
 127         binding<double>                                                                                 frame_number_;
 128         binding<int64_t>                                                                                timeline_frame_number_;
 129         binding<double>                                                                                 speed_;
 130         mutable tbb::atomic<int64_t>                                                    m_x_;
 131         mutable tbb::atomic<int64_t>                                                    m_y_;
 132         binding<int64_t>                                                                                mouse_x_;
 133         binding<int64_t>                                                                                mouse_y_;
 134         double                                                                                                  frame_fraction_         = 0.0;
 135         std::map<void*, timeline>                                                               timelines_;
 136         std::map<std::wstring, std::shared_ptr<core::variable>> variables_;
 137         std::vector<std::wstring>                                                               variable_names_;
 138         std::multimap<int64_t, marker>                                                  markers_by_frame_;
 139         std::vector<std::shared_ptr<void>>                                              task_subscriptions_;
 140         monitor::subject                                                                                monitor_subject_;
 141         bool                                                                                                    paused_                         = true;
 142         bool                                                                                                    removed_                        = false;
 143         bool                                                                                                    going_to_mark_          = false;
 144
 145         impl(
 146                         std::wstring producer_name,
 147                         std::wstring template_name,
 148                         int width,
 149                         int height,
 150                         const video_format_desc& format_desc)
 151                 : producer_name_(std::move(producer_name))
 152                 , template_name_(std::move(template_name))
 153                 , format_desc_(format_desc)
 154                 , aggregator_([=] (double x, double y) { return collission_detect(x, y); })
 155         {
 156                 auto speed_variable = std::make_shared<core::variable_impl<double>>(L"1.0", true, 1.0);
 157                 store_variable(L"scene_speed", speed_variable);
 158                 speed_ = speed_variable->value();
 159
 160                 auto frame_variable = std::make_shared<core::variable_impl<double>>(L"-1", true, -1);
 161                 store_variable(L"frame", frame_variable);
 162                 frame_number_ = frame_variable->value();
 163
 164                 auto timeline_frame_variable = std::make_shared<core::variable_impl<int64_t>>(L"-1", false, -1);
 165                 store_variable(L"timeline_frame", timeline_frame_variable);
 166                 timeline_frame_number_ = timeline_frame_variable->value();
 167
 168                 auto mouse_x_variable = std::make_shared<core::variable_impl<int64_t>>(L"0", false, 0);
 169                 auto mouse_y_variable = std::make_shared<core::variable_impl<int64_t>>(L"0", false, 0);
 170                 store_variable(L"mouse_x", mouse_x_variable);
 171                 store_variable(L"mouse_y", mouse_y_variable);
 172                 mouse_x_ = mouse_x_variable->value();
 173                 mouse_y_ = mouse_y_variable->value();
 174                 m_x_ = 0;
 175                 m_y_ = 0;
 176
 177                 auto scene_width = std::make_shared<core::variable_impl<double>>(boost::lexical_cast<std::wstring>(width), false, width);
 178                 auto scene_height = std::make_shared<core::variable_impl<double>>(boost::lexical_cast<std::wstring>(height), false, height);
 179                 store_variable(L"scene_width", scene_width);
 180                 store_variable(L"scene_height", scene_height);
 181                 pixel_constraints_.width = scene_width->value();
 182                 pixel_constraints_.height = scene_height->value();
 183         }
 184
 185         layer& create_layer(
 186                         const spl::shared_ptr<frame_producer>& producer, int x, int y, const std::wstring& name)
 187         {
 188                 layer layer(name, producer);
 189
 190                 layer.position.x.set(x);
 191                 layer.position.y.set(y);
 192
 193                 layers_.push_back(layer);
 194
 195                 return layers_.back();
 196         }
 197
 198         void reverse_layers() {
 199                 layers_.reverse();
 200         }
 201
 202         void store_keyframe(void* timeline_identity, const keyframe& k)
 203         {
 204                 timelines_[timeline_identity].keyframes.insert(std::make_pair(k.destination_frame, k));
 205         }
 206
 207         void store_variable(
 208                         const std::wstring& name, const std::shared_ptr<core::variable>& var)
 209         {
 210                 variables_.insert(std::make_pair(name, var));
 211                 variable_names_.push_back(name);
 212         }
 213
 214         void add_mark(int64_t frame, mark_action action, const std::wstring& label)
 215         {
 216                 markers_by_frame_.insert(std::make_pair(frame, marker(action, label)));
 217         }
 218
 219         core::variable& get_variable(const std::wstring& name)
 220         {
 221                 auto found = variables_.find(name);
 222
 223                 if (found == variables_.end())
 224                         CASPAR_THROW_EXCEPTION(user_error() << msg_info(name + L" not found in scene"));
 225
 226                 return *found->second;
 227         }
 228
 229         const std::vector<std::wstring>& get_variables() const
 230         {
 231                 return variable_names_;
 232         }
 233
 234         binding<int64_t> timeline_frame()
 235         {
 236                 return timeline_frame_number_;
 237         }
 238
 239         frame_transform get_transform(const layer& layer) const
 240         {
 241                 frame_transform transform;
 242
 243                 auto& anchor            = transform.image_transform.anchor;
 244                 auto& pos                       = transform.image_transform.fill_translation;
 245                 auto& scale                     = transform.image_transform.fill_scale;
 246                 auto& angle                     = transform.image_transform.angle;
 247                 auto& crop                      = transform.image_transform.crop;
 248                 auto& pers                      = transform.image_transform.perspective;
 249
 250                 anchor[0]       = layer.anchor.x.get()                                                                          / layer.producer.get()->pixel_constraints().width.get();
 251                 anchor[1]       = layer.anchor.y.get()                                                                          / layer.producer.get()->pixel_constraints().height.get();
 252                 pos[0]          = layer.position.x.get()                                                                        / pixel_constraints_.width.get();
 253                 pos[1]          = layer.position.y.get()                                                                        / pixel_constraints_.height.get();
 254                 scale[0]        = layer.producer.get()->pixel_constraints().width.get()         / pixel_constraints_.width.get();
 255                 scale[1]        = layer.producer.get()->pixel_constraints().height.get()        / pixel_constraints_.height.get();
 256                 crop.ul[0]      = layer.crop.upper_left.x.get()                                                         / layer.producer.get()->pixel_constraints().width.get();
 257                 crop.ul[1]      = layer.crop.upper_left.y.get()                                                         / layer.producer.get()->pixel_constraints().height.get();
 258                 crop.lr[0]      = layer.crop.lower_right.x.get()                                                        / layer.producer.get()->pixel_constraints().width.get();
 259                 crop.lr[1]      = layer.crop.lower_right.y.get()                                                        / layer.producer.get()->pixel_constraints().height.get();
 260                 pers.ul[0]      = layer.perspective.upper_left.x.get()                                          / layer.producer.get()->pixel_constraints().width.get();
 261                 pers.ul[1]      = layer.perspective.upper_left.y.get()                                          / layer.producer.get()->pixel_constraints().height.get();
 262                 pers.ur[0]      = layer.perspective.upper_right.x.get()                                         / layer.producer.get()->pixel_constraints().width.get();
 263                 pers.ur[1]      = layer.perspective.upper_right.y.get()                                         / layer.producer.get()->pixel_constraints().height.get();
 264                 pers.lr[0]      = layer.perspective.lower_right.x.get()                                         / layer.producer.get()->pixel_constraints().width.get();
 265                 pers.lr[1]      = layer.perspective.lower_right.y.get()                                         / layer.producer.get()->pixel_constraints().height.get();
 266                 pers.ll[0]      = layer.perspective.lower_left.x.get()                                          / layer.producer.get()->pixel_constraints().width.get();
 267                 pers.ll[1]      = layer.perspective.lower_left.y.get()                                          / layer.producer.get()->pixel_constraints().height.get();
 268
 269                 static const double PI = 3.141592653589793;
 270
 271                 angle           = layer.rotation.get() * PI / 180.0;
 272
 273                 transform.image_transform.opacity                               = layer.adjustments.opacity.get();
 274                 transform.image_transform.is_key                                = layer.is_key.get();
 275                 transform.image_transform.use_mipmap                    = layer.use_mipmap.get();
 276                 transform.image_transform.blend_mode                    = layer.blend_mode.get();
 277                 transform.image_transform.chroma.enable                 = layer.chroma_key.enable.get();
 278                 transform.image_transform.chroma.target_hue             = layer.chroma_key.target_hue.get();
 279                 transform.image_transform.chroma.hue_width              = layer.chroma_key.hue_width.get();
 280                 transform.image_transform.chroma.min_saturation = layer.chroma_key.min_saturation.get();
 281                 transform.image_transform.chroma.min_brightness = layer.chroma_key.min_brightness.get();
 282                 transform.image_transform.chroma.softness               = layer.chroma_key.softness.get();
 283                 transform.image_transform.chroma.spill                  = layer.chroma_key.spill.get();
 284                 transform.image_transform.chroma.spill_darken   = layer.chroma_key.spill_darken.get();
 285
 286                 // Mark as sublayer, so it will be composited separately by the mixer.
 287                 transform.image_transform.layer_depth = 1;
 288
 289                 return transform;
 290         }
 291
 292         boost::optional<std::pair<int64_t, marker>> find_first_stop_or_jump_or_remove(int64_t start_frame, int64_t end_frame)
 293         {
 294                 auto lower = markers_by_frame_.lower_bound(start_frame);
 295                 auto upper = markers_by_frame_.upper_bound(end_frame);
 296
 297                 if (lower == markers_by_frame_.end())
 298                         return boost::none;
 299
 300                 for (auto iter = lower; iter != upper; ++iter)
 301                 {
 302                         auto action = iter->second.action;
 303
 304                         if (action == mark_action::stop || action == mark_action::jump_to || action == mark_action::remove)
 305                                 return std::make_pair(iter->first, iter->second);
 306                 }
 307
 308                 return boost::none;
 309         }
 310
 311         boost::optional<std::pair<int64_t, marker>> find_first_start(int64_t start_frame)
 312         {
 313                 auto lower = markers_by_frame_.lower_bound(start_frame);
 314
 315                 if (lower == markers_by_frame_.end())
 316                         return boost::none;
 317
 318                 for (auto iter = lower; iter != markers_by_frame_.end(); ++iter)
 319                 {
 320                         auto action = iter->second.action;
 321
 322                         if (action == mark_action::start)
 323                                 return std::make_pair(iter->first, iter->second);
 324                 }
 325
 326                 return boost::none;
 327         }
 328
 329         draw_frame render_frame()
 330         {
 331                 if (format_desc_.field_count == 1)
 332                         return render_progressive_frame();
 333                 else
 334                 {
 335                         prec_timer timer;
 336                         timer.tick_millis(0);
 337
 338                         auto field1 = render_progressive_frame();
 339
 340                         timer.tick(0.5 / format_desc_.fps);
 341
 342                         auto field2 = render_progressive_frame();
 343
 344                         return draw_frame::interlace(field1, field2, format_desc_.field_mode);
 345                 }
 346         }
 347
 348         void advance()
 349         {
 350                 frame_fraction_ += speed_.get();
 351
 352                 if (std::abs(frame_fraction_) >= 1.0)
 353                 {
 354                         int64_t delta = static_cast<int64_t>(frame_fraction_);
 355                         auto previous_frame = timeline_frame_number_.get();
 356                         auto next_frame = timeline_frame_number_.get() + delta;
 357                         auto marker = find_first_stop_or_jump_or_remove(previous_frame + 1, next_frame);
 358
 359                         if (marker && marker->second.action == mark_action::remove)
 360                         {
 361                                 remove();
 362                         }
 363                         if (marker && !going_to_mark_)
 364                         {
 365                                 if (marker->second.action == mark_action::stop)
 366                                 {
 367                                         timeline_frame_number_.set(marker->first);
 368                                         frame_fraction_ = 0.0;
 369                                         paused_ = true;
 370                                 }
 371                                 else if (marker->second.action == mark_action::jump_to)
 372                                 {
 373                                         go_to_marker(marker->second.label_argument, 0);
 374                                 }
 375                         }
 376                         else
 377                         {
 378                                 timeline_frame_number_.set(next_frame);
 379                                 frame_fraction_ -= delta;
 380                         }
 381
 382                         going_to_mark_ = false;
 383                 }
 384         }
 385
 386         draw_frame render_progressive_frame()
 387         {
 388                 if (removed_)
 389                         return draw_frame::empty();
 390
 391                 mouse_x_.set(m_x_);
 392                 mouse_y_.set(m_y_);
 393
 394                 if (!paused_)
 395                         advance();
 396
 397                 frame_number_.set(frame_number_.get() + speed_.get());
 398
 399                 for (auto& timeline : timelines_)
 400                         timeline.second.on_frame(timeline_frame_number_.get());
 401
 402                 std::vector<draw_frame> frames;
 403
 404                 for (auto& layer : layers_)
 405                 {
 406                         if (layer.hidden.get())
 407                                 continue;
 408
 409                         draw_frame frame(layer.producer.get()->receive());
 410                         frame.transform() = get_transform(layer);
 411                         frames.push_back(frame);
 412                 }
 413
 414                 return draw_frame(frames);
 415         }
 416
 417         void on_interaction(const interaction_event::ptr& event)
 418         {
 419                 aggregator_.translate_and_send(event);
 420         }
 421
 422         bool collides(double x, double y) const
 423         {
 424                 m_x_ = static_cast<int64_t>(x * pixel_constraints_.width.get());
 425                 m_y_ = static_cast<int64_t>(y * pixel_constraints_.height.get());
 426
 427                 return static_cast<bool>((collission_detect(x, y)));
 428         }
 429
 430         boost::optional<interaction_target> collission_detect(double x, double y) const
 431         {
 432                 for (auto& layer : layers_ | boost::adaptors::reversed)
 433                 {
 434                         if (layer.hidden.get())
 435                                 continue;
 436
 437                         auto transform = get_transform(layer);
 438                         auto translated = translate(x, y, transform);
 439
 440                         if (translated.first >= 0.0
 441                                 && translated.first <= 1.0
 442                                 && translated.second >= 0.0
 443                                 && translated.second <= 1.0
 444                                 && layer.producer.get()->collides(translated.first, translated.second))
 445                         {
 446                                 return std::make_pair(transform, static_cast<interaction_sink*>(layer.producer.get().get()));
 447                         }
 448                 }
 449
 450                 return boost::optional<interaction_target>();
 451         }
 452
 453         std::future<std::wstring> call(const std::vector<std::wstring>& params)
 454         {
 455                 if (!params.empty() && boost::ends_with(params.at(0), L"()"))
 456                         return make_ready_future(handle_call(params));
 457                 else
 458                         return make_ready_future(handle_variable_set(params));
 459         }
 460
 461         std::wstring handle_variable_set(const std::vector<std::wstring>& params)
 462         {
 463                 for (int i = 0; i + 1 < params.size(); i += 2)
 464                 {
 465                         auto found = variables_.find(boost::to_lower_copy(params.at(i)));
 466
 467                         if (found != variables_.end() && found->second->is_public())
 468                                 found->second->from_string(params.at(i + 1));
 469                 }
 470
 471                 return L"";
 472         }
 473
 474         std::wstring handle_call(const std::vector<std::wstring>& params)
 475         {
 476                 auto call = params.at(0);
 477
 478                 if (call == L"play()")
 479                         go_to_marker(params.at(1), -1);
 480                 else if (call == L"remove()")
 481                         remove();
 482                 else if (call == L"next()")
 483                         next();
 484                 else
 485                         CASPAR_THROW_EXCEPTION(user_error() << msg_info(L"Unknown call " + call));
 486
 487                 return L"";
 488         }
 489
 490         void remove()
 491         {
 492                 removed_ = true;
 493                 layers_.clear();
 494         }
 495
 496         void next()
 497         {
 498                 auto marker = find_first_start(timeline_frame_number_.get() + 1);
 499
 500                 if (marker)
 501                 {
 502                         timeline_frame_number_.set(marker->first - 1);
 503                         frame_fraction_ = 0.0;
 504                         paused_ = false;
 505                         going_to_mark_ = true;
 506                 }
 507                 else
 508                 {
 509                         remove();
 510                 }
 511         }
 512
 513         void go_to_marker(const std::wstring& marker_name, int64_t offset)
 514         {
 515                 for (auto& marker : markers_by_frame_)
 516                 {
 517                         if (marker.second.label_argument == marker_name && marker.second.action == mark_action::start)
 518                         {
 519                                 timeline_frame_number_.set(marker.first + offset);
 520                                 frame_fraction_ = 0.0;
 521                                 paused_ = false;
 522                                 going_to_mark_ = true;
 523
 524                                 return;
 525                         }
 526                 }
 527
 528                 if (marker_name == L"intro")
 529                 {
 530                         timeline_frame_number_.set(offset);
 531                         frame_fraction_ = 0.0;
 532                         paused_ = false;
 533                         going_to_mark_ = true;
 534                 }
 535                 else if (marker_name == L"outro")
 536                 {
 537                         remove();
 538                 }
 539                 else
 540                         CASPAR_LOG(info) << print() << L" no marker called " << marker_name << " found";
 541         }
 542
 543         std::wstring print() const
 544         {
 545                 return L"scene[type=" + name() + L" template=" + template_name_ + L"]";
 546         }
 547
 548         std::wstring name() const
 549         {
 550                 return producer_name_;
 551         }
 552
 553         boost::property_tree::wptree info() const
 554         {
 555                 boost::property_tree::wptree info;
 556                 info.add(L"type", L"scene");
 557                 info.add(L"producer-name", name());
 558                 info.add(L"template-name", template_name_);
 559                 info.add(L"frame-number", frame_number_.get());
 560                 info.add(L"timeline-frame-number", timeline_frame_number_.get());
 561
 562                 for (auto& var : variables_)
 563                 {
 564                         boost::property_tree::wptree variable_info;
 565
 566                         variable_info.add(L"name", var.first);
 567                         variable_info.add(L"public", var.second->is_public());
 568                         variable_info.add(L"value", var.second->to_string());
 569
 570                         info.add_child(L"variables.variable", variable_info);
 571                 }
 572
 573                 for (auto& layer : layers_)
 574                 {
 575                         boost::property_tree::wptree layer_info;
 576
 577                         layer_info.add(L"name", layer.name.get());
 578                         layer_info.add_child(L"producer", layer.producer.get()->info());
 579                         layer_info.add(L"x", layer.position.x.get());
 580                         layer_info.add(L"y", layer.position.y.get());
 581                         layer_info.add(L"width", layer.producer.get()->pixel_constraints().width.get());
 582                         layer_info.add(L"height", layer.producer.get()->pixel_constraints().height.get());
 583
 584                         info.add_child(L"layers.layer", layer_info);
 585                 }
 586
 587                 return info;
 588         }
 589
 590         monitor::subject& monitor_output()
 591         {
 592                 return monitor_subject_;
 593         }
 594 };
 595
 596 scene_producer::scene_producer(std::wstring producer_name, std::wstring template_name, int width, int height, const video_format_desc& format_desc)
 597         : impl_(new impl(std::move(producer_name), std::move(template_name), width, height, format_desc))
 598 {
 599 }
 600
 601 scene_producer::~scene_producer()
 602 {
 603 }
 604
 605 layer& scene_producer::create_layer(
 606                 const spl::shared_ptr<frame_producer>& producer, int x, int y, const std::wstring& name)
 607 {
 608         return impl_->create_layer(producer, x, y, name);
 609 }
 610
 611 layer& scene_producer::create_layer(
 612                 const spl::shared_ptr<frame_producer>& producer, const std::wstring& name)
 613 {
 614         return impl_->create_layer(producer, 0, 0, name);
 615 }
 616
 617 void scene_producer::reverse_layers() {
 618         impl_->reverse_layers();
 619 }
 620
 621 binding<int64_t> scene_producer::timeline_frame()
 622 {
 623         return impl_->timeline_frame();
 624 }
 625
 626 draw_frame scene_producer::receive_impl()
 627 {
 628         return impl_->render_frame();
 629 }
 630
 631 constraints& scene_producer::pixel_constraints() { return impl_->pixel_constraints_; }
 632
 633 void scene_producer::on_interaction(const interaction_event::ptr& event)
 634 {
 635         impl_->on_interaction(event);
 636 }
 637
 638 bool scene_producer::collides(double x, double y) const
 639 {
 640         return impl_->collides(x, y);
 641 }
 642
 643 std::wstring scene_producer::print() const
 644 {
 645         return impl_->print();
 646 }
 647
 648 std::wstring scene_producer::name() const
 649 {
 650         return impl_->name();
 651 }
 652
 653 boost::property_tree::wptree scene_producer::info() const
 654 {
 655         return impl_->info();
 656 }
 657
 658 std::future<std::wstring> scene_producer::call(const std::vector<std::wstring>& params)
 659 {
 660         return impl_->call(params);
 661 }
 662
 663 monitor::subject& scene_producer::monitor_output()
 664 {
 665         return impl_->monitor_output();
 666 }
 667
 668 void scene_producer::store_keyframe(void* timeline_identity, const keyframe& k)
 669 {
 670         impl_->store_keyframe(timeline_identity, k);
 671 }
 672
 673 void scene_producer::store_variable(
 674                 const std::wstring& name, const std::shared_ptr<core::variable>& var)
 675 {
 676         impl_->store_variable(name, var);
 677 }
 678
 679 void scene_producer::add_mark(int64_t frame, mark_action action, const std::wstring& label)
 680 {
 681         impl_->add_mark(frame, action, label);
 682 }
 683
 684 core::variable& scene_producer::get_variable(const std::wstring& name)
 685 {
 686         return impl_->get_variable(name);
 687 }
 688
 689 const std::vector<std::wstring>& scene_producer::get_variables() const
 690 {
 691         return impl_->get_variables();
 692 }
 693
 694 }}}