2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
4 * This file is part of CasparCG (www.casparcg.com).
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.
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.
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/>.
19 * Author: Robert Nagy, ronag89@gmail.com
22 #include "../StdAfx.h"
28 #include "../frame/draw_frame.h"
29 #include "../frame/frame_factory.h"
30 #include "../interaction/interaction_aggregator.h"
31 #include "../consumer/write_frame_consumer.h"
33 #include <common/executor.h>
34 #include <common/future.h>
35 #include <common/diagnostics/graph.h>
36 #include <common/timer.h>
38 #include <core/frame/frame_transform.h>
40 #include <boost/property_tree/ptree.hpp>
42 #include <tbb/parallel_for_each.h>
49 namespace caspar { namespace core {
51 struct stage::impl : public std::enable_shared_from_this<impl>
54 spl::shared_ptr<diagnostics::graph> graph_;
55 spl::shared_ptr<monitor::subject> monitor_subject_ = spl::make_shared<monitor::subject>("/stage");
56 std::map<int, layer> layers_;
57 std::map<int, tweened_transform> tweens_;
58 interaction_aggregator aggregator_;
59 // map of layer -> map of tokens (src ref) -> layer_consumer
60 std::map<int, std::map<void*, spl::shared_ptr<write_frame_consumer>>> layer_consumers_;
61 executor executor_ { L"stage " + boost::lexical_cast<std::wstring>(channel_index_) };
63 impl(int channel_index, spl::shared_ptr<diagnostics::graph> graph)
64 : channel_index_(channel_index)
65 , graph_(std::move(graph))
66 , aggregator_([=] (double x, double y) { return collission_detect(x, y); })
68 graph_->set_color("produce-time", diagnostics::color(0.0f, 1.0f, 0.0f));
71 std::map<int, draw_frame> operator()(const video_format_desc& format_desc)
73 caspar::timer frame_timer;
75 auto frames = executor_.invoke([=]() -> std::map<int, draw_frame>
78 std::map<int, draw_frame> frames;
82 std::vector<int> indices;
84 for (auto& layer : layers_)
86 // Prevent race conditions in parallel for each later
87 frames[layer.first] = draw_frame::empty();
89 layer_consumers_[layer.first];
91 indices.push_back(layer.first);
94 aggregator_.translate_and_send();
96 tbb::parallel_for_each(indices.begin(), indices.end(), [&](int index)
98 draw(index, format_desc, frames);
104 CASPAR_LOG_CURRENT_EXCEPTION();
111 //frames_subject_ << frames;
113 graph_->set_value("produce-time", frame_timer.elapsed()*format_desc.fps*0.5);
114 *monitor_subject_ << monitor::message("/profiler/time") % frame_timer.elapsed() % (1.0/format_desc.fps);
119 void draw(int index, const video_format_desc& format_desc, std::map<int, draw_frame>& frames)
121 auto& layer = layers_[index];
122 auto& tween = tweens_[index];
123 auto& consumers = layer_consumers_[index];
125 auto frame = layer.receive(format_desc);
127 if (!consumers.empty())
129 auto consumer_it = consumers | boost::adaptors::map_values;
130 tbb::parallel_for_each(consumer_it.begin(), consumer_it.end(), [&](decltype(*consumer_it.begin()) layer_consumer)
132 layer_consumer->send(frame);
138 frame1.transform() *= tween.fetch_and_tick(1);
140 if(format_desc.field_mode != core::field_mode::progressive)
143 frame2.transform() *= tween.fetch_and_tick(1);
144 frame1 = core::draw_frame::interlace(frame1, frame2, format_desc.field_mode);
147 frames[index] = frame1;
150 layer& get_layer(int index)
152 auto it = layers_.find(index);
153 if(it == std::end(layers_))
155 it = layers_.insert(std::make_pair(index, layer(index))).first;
156 it->second.monitor_output().attach_parent(monitor_subject_);
161 std::future<void> apply_transforms(const std::vector<std::tuple<int, stage::transform_func_t, unsigned int, tweener>>& transforms)
163 return executor_.begin_invoke([=]
165 for (auto& transform : transforms)
167 auto src = tweens_[std::get<0>(transform)].fetch();
168 auto dst = std::get<1>(transform)(src);
169 tweens_[std::get<0>(transform)] = tweened_transform(src, dst, std::get<2>(transform), std::get<3>(transform));
171 }, task_priority::high_priority);
174 std::future<void> apply_transform(int index, const stage::transform_func_t& transform, unsigned int mix_duration, const tweener& tween)
176 return executor_.begin_invoke([=]
178 auto src = tweens_[index].fetch();
179 auto dst = transform(src);
180 tweens_[index] = tweened_transform(src, dst, mix_duration, tween);
181 }, task_priority::high_priority);
184 std::future<void> clear_transforms(int index)
186 return executor_.begin_invoke([=]
188 tweens_.erase(index);
189 }, task_priority::high_priority);
192 std::future<void> clear_transforms()
194 return executor_.begin_invoke([=]
197 }, task_priority::high_priority);
200 std::future<frame_transform> get_current_transform(int index)
202 return executor_.begin_invoke([=]
204 return tweens_[index].fetch();
205 }, task_priority::high_priority);
208 std::future<void> load(int index, const spl::shared_ptr<frame_producer>& producer, bool preview, const boost::optional<int32_t>& auto_play_delta)
210 return executor_.begin_invoke([=]
212 get_layer(index).load(producer, preview, auto_play_delta);
213 }, task_priority::high_priority);
216 std::future<void> pause(int index)
218 return executor_.begin_invoke([=]
220 get_layer(index).pause();
221 }, task_priority::high_priority);
224 std::future<void> resume(int index)
226 return executor_.begin_invoke([=]
228 get_layer(index).resume();
229 }, task_priority::high_priority);
232 std::future<void> play(int index)
234 return executor_.begin_invoke([=]
236 get_layer(index).play();
237 }, task_priority::high_priority);
240 std::future<void> stop(int index)
242 return executor_.begin_invoke([=]
244 get_layer(index).stop();
245 }, task_priority::high_priority);
248 std::future<void> clear(int index)
250 return executor_.begin_invoke([=]
252 layers_.erase(index);
253 }, task_priority::high_priority);
256 std::future<void> clear()
258 return executor_.begin_invoke([=]
261 }, task_priority::high_priority);
264 std::future<void> swap_layers(stage& other, bool swap_transforms)
266 auto other_impl = other.impl_;
268 if (other_impl.get() == this)
270 return make_ready_future();
275 auto layers = layers_ | boost::adaptors::map_values;
276 auto other_layers = other_impl->layers_ | boost::adaptors::map_values;
278 for (auto& layer : layers)
279 layer.monitor_output().detach_parent();
281 for (auto& layer : other_layers)
282 layer.monitor_output().detach_parent();
284 std::swap(layers_, other_impl->layers_);
286 for (auto& layer : layers)
287 layer.monitor_output().attach_parent(monitor_subject_);
289 for (auto& layer : other_layers)
290 layer.monitor_output().attach_parent(monitor_subject_);
293 std::swap(tweens_, other_impl->tweens_);
296 return executor_.begin_invoke([=]
298 other_impl->executor_.invoke(func, task_priority::high_priority);
299 }, task_priority::high_priority);
302 std::future<void> swap_layer(int index, int other_index, bool swap_transforms)
304 return executor_.begin_invoke([=]
306 std::swap(get_layer(index), get_layer(other_index));
309 std::swap(tweens_[index], tweens_[other_index]);
310 }, task_priority::high_priority);
313 std::future<void> swap_layer(int index, int other_index, stage& other, bool swap_transforms)
315 auto other_impl = other.impl_;
317 if(other_impl.get() == this)
318 return swap_layer(index, other_index, swap_transforms);
323 auto& my_layer = get_layer(index);
324 auto& other_layer = other_impl->get_layer(other_index);
326 my_layer.monitor_output().detach_parent();
327 other_layer.monitor_output().detach_parent();
329 std::swap(my_layer, other_layer);
331 my_layer.monitor_output().attach_parent(monitor_subject_);
332 other_layer.monitor_output().attach_parent(other_impl->monitor_subject_);
336 auto& my_tween = tweens_[index];
337 auto& other_tween = other_impl->tweens_[other_index];
338 std::swap(my_tween, other_tween);
342 return executor_.begin_invoke([=]
344 other_impl->executor_.invoke(func, task_priority::high_priority);
345 }, task_priority::high_priority);
349 void add_layer_consumer(void* token, int layer, const spl::shared_ptr<write_frame_consumer>& layer_consumer)
351 executor_.begin_invoke([=]
353 layer_consumers_[layer].insert(std::make_pair(token, layer_consumer));
354 }, task_priority::high_priority);
357 void remove_layer_consumer(void* token, int layer)
359 executor_.begin_invoke([=]
361 auto& layer_map = layer_consumers_[layer];
362 layer_map.erase(token);
363 if (layer_map.empty())
365 layer_consumers_.erase(layer);
367 }, task_priority::high_priority);
370 std::future<std::shared_ptr<frame_producer>> foreground(int index)
372 return executor_.begin_invoke([=]() -> std::shared_ptr<frame_producer>
374 return get_layer(index).foreground();
375 }, task_priority::high_priority);
378 std::future<std::shared_ptr<frame_producer>> background(int index)
380 return executor_.begin_invoke([=]() -> std::shared_ptr<frame_producer>
382 return get_layer(index).background();
383 }, task_priority::high_priority);
386 std::future<boost::property_tree::wptree> info()
388 return executor_.begin_invoke([this]() -> boost::property_tree::wptree
390 boost::property_tree::wptree info;
391 for (auto& layer : layers_)
392 info.add_child(L"layers.layer", layer.second.info())
393 .add(L"index", layer.first);
395 }, task_priority::high_priority);
398 std::future<boost::property_tree::wptree> info(int index)
400 return executor_.begin_invoke([=]
402 return get_layer(index).info();
403 }, task_priority::high_priority);
406 std::future<boost::property_tree::wptree> delay_info()
408 return std::move(executor_.begin_invoke([this]() -> boost::property_tree::wptree
410 boost::property_tree::wptree info;
412 for (auto& layer : layers_)
413 info.add_child(L"layer", layer.second.delay_info()).add(L"index", layer.first);
416 }, task_priority::high_priority));
419 std::future<boost::property_tree::wptree> delay_info(int index)
421 return std::move(executor_.begin_invoke([=]() -> boost::property_tree::wptree
423 return get_layer(index).delay_info();
424 }, task_priority::high_priority));
427 std::future<std::wstring> call(int index, const std::vector<std::wstring>& params)
429 return flatten(executor_.begin_invoke([=]
431 return get_layer(index).foreground()->call(params).share();
432 }, task_priority::high_priority));
435 void on_interaction(const interaction_event::ptr& event)
437 executor_.begin_invoke([=]
439 aggregator_.offer(event);
440 }, task_priority::high_priority);
443 boost::optional<interaction_target> collission_detect(double x, double y)
445 for (auto& layer : layers_ | boost::adaptors::reversed)
447 auto transform = tweens_[layer.first].fetch();
448 auto translated = translate(x, y, transform);
450 if (translated.first >= 0.0
451 && translated.first <= 1.0
452 && translated.second >= 0.0
453 && translated.second <= 1.0
454 && layer.second.collides(translated.first, translated.second))
456 return std::make_pair(transform, static_cast<interaction_sink*>(&layer.second));
460 return boost::optional<interaction_target>();
464 stage::stage(int channel_index, spl::shared_ptr<diagnostics::graph> graph) : impl_(new impl(channel_index, std::move(graph))){}
465 std::future<std::wstring> stage::call(int index, const std::vector<std::wstring>& params){return impl_->call(index, params);}
466 std::future<void> stage::apply_transforms(const std::vector<stage::transform_tuple_t>& transforms){ return impl_->apply_transforms(transforms); }
467 std::future<void> stage::apply_transform(int index, const std::function<core::frame_transform(core::frame_transform)>& transform, unsigned int mix_duration, const tweener& tween){ return impl_->apply_transform(index, transform, mix_duration, tween); }
468 std::future<void> stage::clear_transforms(int index){ return impl_->clear_transforms(index); }
469 std::future<void> stage::clear_transforms(){ return impl_->clear_transforms(); }
470 std::future<frame_transform> stage::get_current_transform(int index){ return impl_->get_current_transform(index); }
471 std::future<void> stage::load(int index, const spl::shared_ptr<frame_producer>& producer, bool preview, const boost::optional<int32_t>& auto_play_delta){ return impl_->load(index, producer, preview, auto_play_delta); }
472 std::future<void> stage::pause(int index){ return impl_->pause(index); }
473 std::future<void> stage::resume(int index){ return impl_->resume(index); }
474 std::future<void> stage::play(int index){ return impl_->play(index); }
475 std::future<void> stage::stop(int index){ return impl_->stop(index); }
476 std::future<void> stage::clear(int index){ return impl_->clear(index); }
477 std::future<void> stage::clear(){ return impl_->clear(); }
478 std::future<void> stage::swap_layers(stage& other, bool swap_transforms){ return impl_->swap_layers(other, swap_transforms); }
479 std::future<void> stage::swap_layer(int index, int other_index, bool swap_transforms){ return impl_->swap_layer(index, other_index, swap_transforms); }
480 std::future<void> stage::swap_layer(int index, int other_index, stage& other, bool swap_transforms){ return impl_->swap_layer(index, other_index, other, swap_transforms); }
481 void stage::add_layer_consumer(void* token, int layer, const spl::shared_ptr<write_frame_consumer>& layer_consumer){ impl_->add_layer_consumer(token, layer, layer_consumer); }
482 void stage::remove_layer_consumer(void* token, int layer){ impl_->remove_layer_consumer(token, layer); }std::future<std::shared_ptr<frame_producer>> stage::foreground(int index) { return impl_->foreground(index); }
483 std::future<std::shared_ptr<frame_producer>> stage::background(int index) { return impl_->background(index); }
484 std::future<boost::property_tree::wptree> stage::info() const{ return impl_->info(); }
485 std::future<boost::property_tree::wptree> stage::info(int index) const{ return impl_->info(index); }
486 std::future<boost::property_tree::wptree> stage::delay_info() const{ return impl_->delay_info(); }
487 std::future<boost::property_tree::wptree> stage::delay_info(int index) const{ return impl_->delay_info(index); }
488 std::map<int, draw_frame> stage::operator()(const video_format_desc& format_desc){ return (*impl_)(format_desc); }
489 monitor::subject& stage::monitor_output(){return *impl_->monitor_subject_;}
490 void stage::on_interaction(const interaction_event::ptr& event) { impl_->on_interaction(event); }