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2.1.0: ffmpeg_producer: Preallocate/reserve some frames during construction.
[casparcg] / core / producer / stage.cpp
1 /*\r
2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
3 *\r
4 * This file is part of CasparCG (www.casparcg.com).\r
5 *\r
6 * CasparCG is free software: you can redistribute it and/or modify\r
7 * it under the terms of the GNU General Public License as published by\r
8 * the Free Software Foundation, either version 3 of the License, or\r
9 * (at your option) any later version.\r
10 *\r
11 * CasparCG is distributed in the hope that it will be useful,\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
14 * GNU General Public License for more details.\r
15 *\r
16 * You should have received a copy of the GNU General Public License\r
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
18 *\r
19 * Author: Robert Nagy, ronag89@gmail.com\r
20 */\r
21 \r
22 #include "../StdAfx.h"\r
23 \r
24 #include "stage.h"\r
25 \r
26 #include "layer.h"\r
27 \r
28 #include "../frame/draw_frame.h"\r
29 #include "../frame/frame_factory.h"\r
30 \r
31 #include <common/concurrency/executor.h>\r
32 #include <common/diagnostics/graph.h>\r
33 \r
34 #include <core/frame/frame_transform.h>\r
35 \r
36 #include <boost/foreach.hpp>\r
37 #include <boost/timer.hpp>\r
38 #include <boost/property_tree/ptree.hpp>\r
39 #include <boost/range/algorithm_ext.hpp>\r
40 \r
41 #include <tbb/parallel_for_each.h>\r
42 \r
43 #include <map>\r
44 #include <vector>\r
45 \r
46 namespace caspar { namespace core {\r
47         \r
48 struct stage::impl : public std::enable_shared_from_this<impl>\r
49 {                       \r
50         std::map<int, layer>                            layers_;        \r
51         std::map<int, tweened_transform>        transforms_;    \r
52         executor                                                        executor_;\r
53 public:\r
54         impl() : executor_(L"stage")\r
55         {\r
56         }\r
57                 \r
58         std::map<int, spl::shared_ptr<draw_frame>> operator()(const struct video_format_desc& format_desc)\r
59         {               \r
60                 return executor_.invoke([=]() -> std::map<int, spl::shared_ptr<draw_frame>>\r
61                 {\r
62                         std::map<int, spl::shared_ptr<class draw_frame>> frames;\r
63 \r
64                         try\r
65                         {                                       \r
66                                 BOOST_FOREACH(auto& layer, layers_)                     \r
67                                         frames[layer.first] = draw_frame::empty();      \r
68 \r
69                                 auto format_desc2 = format_desc;\r
70 \r
71                                 tbb::parallel_for_each(layers_.begin(), layers_.end(), [&](std::map<int, layer>::value_type& layer)\r
72                                 {\r
73                                         auto transform = transforms_[layer.first].fetch_and_tick(1);\r
74 \r
75                                         frame_producer::flags flags = frame_producer::flags::none;\r
76                                         if(format_desc2.field_mode != field_mode::progressive)\r
77                                         {\r
78                                                 flags |= std::abs(transform.fill_scale[1]  - 1.0) > 0.0001 ? frame_producer::flags::deinterlace : frame_producer::flags::none;\r
79                                                 flags |= std::abs(transform.fill_translation[1])  > 0.0001 ? frame_producer::flags::deinterlace : frame_producer::flags::none;\r
80                                         }\r
81 \r
82                                         if(transform.is_key)\r
83                                                 flags |= frame_producer::flags::alpha_only;\r
84 \r
85                                         auto frame = layer.second.receive(flags);       \r
86                                 \r
87                                         auto frame1 = spl::make_shared<core::draw_frame>(frame);\r
88                                         frame1->get_frame_transform() = transform;\r
89 \r
90                                         if(format_desc2.field_mode != core::field_mode::progressive)\r
91                                         {                               \r
92                                                 auto frame2 = spl::make_shared<core::draw_frame>(frame);\r
93                                                 frame2->get_frame_transform() = transforms_[layer.first].fetch_and_tick(1);\r
94                                                 frame1 = core::draw_frame::interlace(frame1, frame2, format_desc2.field_mode);\r
95                                         }\r
96 \r
97                                         frames[layer.first] = frame1;\r
98                                 });             \r
99                         }\r
100                         catch(...)\r
101                         {\r
102                                 layers_.clear();\r
103                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
104                         }       \r
105 \r
106                         return frames;\r
107                 });\r
108         }\r
109                 \r
110         void apply_transforms(const std::vector<std::tuple<int, stage::transform_func_t, unsigned int, tweener>>& transforms)\r
111         {\r
112                 executor_.begin_invoke([=]\r
113                 {\r
114                         BOOST_FOREACH(auto& transform, transforms)\r
115                         {\r
116                                 auto src = transforms_[std::get<0>(transform)].fetch();\r
117                                 auto dst = std::get<1>(transform)(src);\r
118                                 transforms_[std::get<0>(transform)] = tweened_transform(src, dst, std::get<2>(transform), std::get<3>(transform));\r
119                         }\r
120                 }, task_priority::high_priority);\r
121         }\r
122                                                 \r
123         void apply_transform(int index, const stage::transform_func_t& transform, unsigned int mix_duration, const tweener& tween)\r
124         {\r
125                 executor_.begin_invoke([=]\r
126                 {\r
127                         auto src = transforms_[index].fetch();\r
128                         auto dst = transform(src);\r
129                         transforms_[index] = tweened_transform(src, dst, mix_duration, tween);\r
130                 }, task_priority::high_priority);\r
131         }\r
132 \r
133         void clear_transforms(int index)\r
134         {\r
135                 executor_.begin_invoke([=]\r
136                 {\r
137                         transforms_.erase(index);\r
138                 }, task_priority::high_priority);\r
139         }\r
140 \r
141         void clear_transforms()\r
142         {\r
143                 executor_.begin_invoke([=]\r
144                 {\r
145                         transforms_.clear();\r
146                 }, task_priority::high_priority);\r
147         }\r
148                 \r
149         void load(int index, const spl::shared_ptr<frame_producer>& producer, const boost::optional<int32_t>& auto_play_delta)\r
150         {\r
151                 executor_.begin_invoke([=]\r
152                 {\r
153                         layers_[index].load(producer, auto_play_delta);\r
154                 }, task_priority::high_priority);\r
155         }\r
156 \r
157         void pause(int index)\r
158         {               \r
159                 executor_.begin_invoke([=]\r
160                 {\r
161                         layers_[index].pause();\r
162                 }, task_priority::high_priority);\r
163         }\r
164 \r
165         void play(int index)\r
166         {               \r
167                 executor_.begin_invoke([=]\r
168                 {\r
169                         layers_[index].play();\r
170                 }, task_priority::high_priority);\r
171         }\r
172 \r
173         void stop(int index)\r
174         {               \r
175                 executor_.begin_invoke([=]\r
176                 {\r
177                         layers_[index].stop();\r
178                 }, task_priority::high_priority);\r
179         }\r
180 \r
181         void clear(int index)\r
182         {\r
183                 executor_.begin_invoke([=]\r
184                 {\r
185                         layers_.erase(index);\r
186                 }, task_priority::high_priority);\r
187         }\r
188                 \r
189         void clear()\r
190         {\r
191                 executor_.begin_invoke([=]\r
192                 {\r
193                         layers_.clear();\r
194                 }, task_priority::high_priority);\r
195         }       \r
196                 \r
197         void swap_layers(const spl::shared_ptr<stage>& other)\r
198         {\r
199                 if(other->impl_.get() == this)\r
200                         return;\r
201                 \r
202                 auto func = [=]\r
203                 {\r
204                         std::swap(layers_, other->impl_->layers_);\r
205                 };              \r
206                 executor_.begin_invoke([=]\r
207                 {\r
208                         other->impl_->executor_.invoke(func, task_priority::high_priority);\r
209                 }, task_priority::high_priority);\r
210         }\r
211 \r
212         void swap_layer(int index, int other_index)\r
213         {\r
214                 executor_.begin_invoke([=]\r
215                 {\r
216                         std::swap(layers_[index], layers_[other_index]);\r
217                 }, task_priority::high_priority);\r
218         }\r
219 \r
220         void swap_layer(int index, int other_index, const spl::shared_ptr<stage>& other)\r
221         {\r
222                 if(other->impl_.get() == this)\r
223                         swap_layer(index, other_index);\r
224                 else\r
225                 {\r
226                         auto func = [=]\r
227                         {\r
228                                 std::swap(layers_[index], other->impl_->layers_[other_index]);\r
229                         };              \r
230                         executor_.begin_invoke([=]\r
231                         {\r
232                                 other->impl_->executor_.invoke(func, task_priority::high_priority);\r
233                         }, task_priority::high_priority);\r
234                 }\r
235         }\r
236                 \r
237         boost::unique_future<spl::shared_ptr<frame_producer>> foreground(int index)\r
238         {\r
239                 return executor_.begin_invoke([=]\r
240                 {\r
241                         return layers_[index].foreground();\r
242                 }, task_priority::high_priority);\r
243         }\r
244         \r
245         boost::unique_future<spl::shared_ptr<frame_producer>> background(int index)\r
246         {\r
247                 return executor_.begin_invoke([=]\r
248                 {\r
249                         return layers_[index].background();\r
250                 }, task_priority::high_priority);\r
251         }\r
252 \r
253         boost::unique_future<boost::property_tree::wptree> info()\r
254         {\r
255                 return executor_.begin_invoke([this]() -> boost::property_tree::wptree\r
256                 {\r
257                         boost::property_tree::wptree info;\r
258                         BOOST_FOREACH(auto& layer, layers_)                     \r
259                                 info.add_child(L"layers.layer", layer.second.info())\r
260                                         .add(L"index", layer.first);    \r
261                         return info;\r
262                 }, task_priority::high_priority);\r
263         }\r
264 \r
265         boost::unique_future<boost::property_tree::wptree> info(int index)\r
266         {\r
267                 return executor_.begin_invoke([=]\r
268                 {\r
269                         return layers_[index].info();\r
270                 }, task_priority::high_priority);\r
271         }               \r
272 };\r
273 \r
274 stage::stage() : impl_(new impl()){}\r
275 void stage::apply_transforms(const std::vector<stage::transform_tuple_t>& transforms){impl_->apply_transforms(transforms);}\r
276 void stage::apply_transform(int index, const std::function<core::frame_transform(core::frame_transform)>& transform, unsigned int mix_duration, const tweener& tween){impl_->apply_transform(index, transform, mix_duration, tween);}\r
277 void stage::clear_transforms(int index){impl_->clear_transforms(index);}\r
278 void stage::clear_transforms(){impl_->clear_transforms();}\r
279 void stage::load(int index, const spl::shared_ptr<frame_producer>& producer, const boost::optional<int32_t>& auto_play_delta){impl_->load(index, producer, auto_play_delta);}\r
280 void stage::pause(int index){impl_->pause(index);}\r
281 void stage::play(int index){impl_->play(index);}\r
282 void stage::stop(int index){impl_->stop(index);}\r
283 void stage::clear(int index){impl_->clear(index);}\r
284 void stage::clear(){impl_->clear();}\r
285 void stage::swap_layers(const spl::shared_ptr<stage>& other){impl_->swap_layers(other);}\r
286 void stage::swap_layer(int index, int other_index){impl_->swap_layer(index, other_index);}\r
287 void stage::swap_layer(int index, int other_index, const spl::shared_ptr<stage>& other){impl_->swap_layer(index, other_index, other);}\r
288 boost::unique_future<spl::shared_ptr<frame_producer>> stage::foreground(int index) {return impl_->foreground(index);}\r
289 boost::unique_future<spl::shared_ptr<frame_producer>> stage::background(int index) {return impl_->background(index);}\r
290 boost::unique_future<boost::property_tree::wptree> stage::info() const{return impl_->info();}\r
291 boost::unique_future<boost::property_tree::wptree> stage::info(int index) const{return impl_->info(index);}\r
292 std::map<int, spl::shared_ptr<class draw_frame>> stage::operator()(const video_format_desc& format_desc){return (*impl_)(format_desc);}\r
293 }}