]> git.sesse.net Git - casparcg/blobdiff - core/producer/stage.cpp
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[casparcg] / core / producer / stage.cpp
index 76f1f5dee7adbed4cfbe66cc64b73851d2eae2ff..517036f7947d9fb1c9e2eb5d7ab338ba74539949 100644 (file)
 /*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
 *\r
-*  This file is part of CasparCG.\r
+* This file is part of CasparCG (www.casparcg.com).\r
 *\r
-*    CasparCG is free software: you can redistribute it and/or modify\r
-*    it under the terms of the GNU General Public License as published by\r
-*    the Free Software Foundation, either version 3 of the License, or\r
-*    (at your option) any later version.\r
+* CasparCG is free software: you can redistribute it and/or modify\r
+* it under the terms of the GNU General Public License as published by\r
+* the Free Software Foundation, either version 3 of the License, or\r
+* (at your option) any later version.\r
 *\r
-*    CasparCG is distributed in the hope that it will be useful,\r
-*    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
-*    GNU General Public License for more details.\r
-\r
-*    You should have received a copy of the GNU General Public License\r
-*    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
+* CasparCG is distributed in the hope that it will be useful,\r
+* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+* GNU General Public License for more details.\r
+*\r
+* You should have received a copy of the GNU General Public License\r
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
 *\r
+* Author: Robert Nagy, ronag89@gmail.com\r
 */\r
 \r
 #include "../StdAfx.h"\r
 \r
 #include "stage.h"\r
 \r
-#include "../video_channel_context.h"\r
-\r
 #include "layer.h"\r
 \r
-#include <core/producer/frame/basic_frame.h>\r
-#include <core/producer/frame/frame_factory.h>\r
+#include "../frame/draw_frame.h"\r
+#include "../frame/frame_factory.h"\r
 \r
-#include <common/concurrency/executor.h>\r
+#include <common/executor.h>\r
+#include <common/future.h>\r
+#include <common/diagnostics/graph.h>\r
 \r
-#include <boost/range/algorithm.hpp>\r
+#include <core/frame/frame_transform.h>\r
 \r
-#include <tbb/parallel_for.h>\r
+#include <boost/foreach.hpp>\r
+#include <boost/timer.hpp>\r
+#include <boost/property_tree/ptree.hpp>\r
+#include <boost/range/algorithm_ext.hpp>\r
 \r
+#include <tbb/parallel_for_each.h>\r
+\r
+#include <functional>\r
 #include <map>\r
+#include <vector>\r
 \r
 namespace caspar { namespace core {\r
-               \r
-void destroy_producer(safe_ptr<frame_producer>& producer)\r
-{\r
-       if(!producer.unique())\r
-               CASPAR_LOG(warning) << producer->print() << L" Not destroyed on safe asynchronous destruction thread.";\r
-               \r
-       producer = frame_producer::empty();\r
-}\r
-\r
-class destroy_producer_proxy : public frame_producer\r
-{\r
-       safe_ptr<frame_producer> producer_;\r
-       executor& destroy_context_;\r
+       \r
+struct stage::impl : public std::enable_shared_from_this<impl>\r
+{                              \r
+       spl::shared_ptr<diagnostics::graph> graph_;\r
+       monitor::basic_subject                          event_subject_;\r
+       std::map<int, layer>                            layers_;        \r
+       std::map<int, tweened_transform>        tweens_;        \r
+       executor                                                        executor_;\r
 public:\r
-       destroy_producer_proxy(executor& destroy_context, const safe_ptr<frame_producer>& producer) \r
-               : producer_(producer)\r
-               , destroy_context_(destroy_context){}\r
-\r
-       ~destroy_producer_proxy()\r
+       impl(spl::shared_ptr<diagnostics::graph> graph) \r
+               : graph_(std::move(graph))\r
+               , event_subject_("stage")\r
+               , executor_(L"stage")\r
+       {\r
+               graph_->set_color("produce-time", diagnostics::color(0.0f, 1.0f, 0.0f));\r
+       }\r
+               \r
+       std::map<int, draw_frame> operator()(const struct video_format_desc& format_desc)\r
        {               \r
-               if(destroy_context_.size() > 4)\r
-                       CASPAR_LOG(error) << L" Potential destroyer deadlock.";\r
-\r
-               destroy_context_.begin_invoke(std::bind(&destroy_producer, std::move(producer_)));\r
+               return executor_.invoke([=]() -> std::map<int, draw_frame>\r
+               {\r
+                       boost::timer frame_timer;\r
+\r
+                       std::map<int, class draw_frame> frames;\r
+                       \r
+                       try\r
+                       {                       \r
+                               std::vector<int> indices;\r
+\r
+                               BOOST_FOREACH(auto& layer, layers_)     \r
+                               {\r
+                                       frames[layer.first] = draw_frame::empty();      \r
+                                       indices.push_back(layer.first);\r
+                               }                               \r
+\r
+                               // WORKAROUND: Compiler doesn't seem to like lambda.\r
+                               tbb::parallel_for_each(indices.begin(), indices.end(), std::bind(&stage::impl::draw, this, std::placeholders::_1, std::ref(format_desc), std::ref(frames)));\r
+                       }\r
+                       catch(...)\r
+                       {\r
+                               layers_.clear();\r
+                               CASPAR_LOG_CURRENT_EXCEPTION();\r
+                       }       \r
+                       \r
+                       graph_->set_value("produce-time", frame_timer.elapsed()*format_desc.fps*0.5);\r
+                       event_subject_ << monitor::event("profiler/time") % frame_timer.elapsed() % (1.0/format_desc.fps);\r
+\r
+                       return frames;\r
+               });\r
        }\r
 \r
-       virtual safe_ptr<basic_frame>           receive()                                                                                                               {return core::receive(producer_);}\r
-       virtual std::wstring                            print() const                                                                                                   {return producer_->print();}\r
-       virtual void                                            param(const std::wstring& str)                                                                  {producer_->param(str);}\r
-       virtual safe_ptr<frame_producer>        get_following_producer() const                                                                  {return producer_->get_following_producer();}\r
-       virtual void                                            set_leading_producer(const safe_ptr<frame_producer>& producer)  {producer_->set_leading_producer(producer);}\r
-};\r
+       void draw(int index, const video_format_desc& format_desc, std::map<int, draw_frame>& frames)\r
+       {\r
+               auto& layer             = layers_[index];\r
+               auto& tween             = tweens_[index];\r
+                               \r
+               auto frame  = layer.receive(format_desc);                                       \r
+               auto frame1 = frame;\r
+               frame1.transform() *= tween.fetch_and_tick(1);\r
+\r
+               if(format_desc.field_mode != core::field_mode::progressive)\r
+               {                               \r
+                       auto frame2 = frame;\r
+                       frame2.transform() *= tween.fetch_and_tick(1);\r
+                       frame1 = core::draw_frame::interlace(frame1, frame2, format_desc.field_mode);\r
+               }\r
 \r
-struct stage::implementation : boost::noncopyable\r
-{              \r
-       std::map<int, layer>                                            layers_;                \r
-       typedef std::map<int, layer>::value_type        layer_t;\r
+               frames[index] = frame1;\r
+       }\r
+\r
+       layer& get_layer(int index)\r
+       {\r
+               auto it = layers_.find(index);\r
+               if(it == std::end(layers_))\r
+               {\r
+                       it = layers_.insert(std::make_pair(index, layer(index))).first;\r
+                       it->second.subscribe(event_subject_);\r
+               }\r
+               return it->second;\r
+       }\r
                \r
-       video_channel_context&                                          channel_;\r
-public:\r
-       implementation(video_channel_context& video_channel)  \r
-               : channel_(video_channel)\r
+       boost::unique_future<void> apply_transforms(const std::vector<std::tuple<int, stage::transform_func_t, unsigned int, tweener>>& transforms)\r
        {\r
+               return executor_.begin_invoke([=]\r
+               {\r
+                       BOOST_FOREACH(auto& transform, transforms)\r
+                       {\r
+                               auto src = tweens_[std::get<0>(transform)].fetch();\r
+                               auto dst = std::get<1>(transform)(src);\r
+                               tweens_[std::get<0>(transform)] = tweened_transform(src, dst, std::get<2>(transform), std::get<3>(transform));\r
+                       }\r
+               }, task_priority::high_priority);\r
        }\r
                                                \r
-       std::map<int, safe_ptr<basic_frame>> execute()\r
-       {                       \r
-               std::map<int, safe_ptr<basic_frame>> frames;\r
-\r
-               try\r
+       boost::unique_future<void> apply_transform(int index, const stage::transform_func_t& transform, unsigned int mix_duration, const tweener& tween)\r
+       {\r
+               return executor_.begin_invoke([=]\r
                {\r
-                       // Allocate placeholders.\r
-                       BOOST_FOREACH(auto layer, layers_)\r
-                               frames[layer.first] = basic_frame::empty();\r
+                       auto src = tweens_[index].fetch();\r
+                       auto dst = transform(src);\r
+                       tweens_[index] = tweened_transform(src, dst, mix_duration, tween);\r
+               }, task_priority::high_priority);\r
+       }\r
 \r
-                       // Render layers\r
-                       tbb::parallel_for_each(layers_.begin(), layers_.end(), [&](layer_t& layer)\r
-                       {\r
-                               frames[layer.first] = layer.second.receive();\r
-                       });\r
-               }\r
-               catch(...)\r
+       boost::unique_future<void> clear_transforms(int index)\r
+       {\r
+               return executor_.begin_invoke([=]\r
                {\r
-                       CASPAR_LOG_CURRENT_EXCEPTION();\r
-               }\r
-               \r
-               return frames;\r
+                       tweens_.erase(index);\r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       void load(int index, const safe_ptr<frame_producer>& producer, bool preview)\r
+       boost::unique_future<void> clear_transforms()\r
        {\r
-               channel_.execution().invoke([&]\r
+               return executor_.begin_invoke([=]\r
                {\r
-                       layers_[index].load(make_safe<destroy_producer_proxy>(channel_.destruction(), producer), preview);\r
-               });\r
+                       tweens_.clear();\r
+               }, task_priority::high_priority);\r
+       }\r
+               \r
+       boost::unique_future<void> load(int index, const spl::shared_ptr<frame_producer>& producer, bool preview, const boost::optional<int32_t>& auto_play_delta)\r
+       {\r
+               return executor_.begin_invoke([=]\r
+               {\r
+                       get_layer(index).load(producer, preview, auto_play_delta);                      \r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       void pause(int index)\r
+       boost::unique_future<void> pause(int index)\r
        {               \r
-               channel_.execution().invoke([&]\r
+               return executor_.begin_invoke([=]\r
                {\r
                        layers_[index].pause();\r
-               });\r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       void play(int index)\r
+       boost::unique_future<void> play(int index)\r
        {               \r
-               channel_.execution().invoke([&]\r
+               return executor_.begin_invoke([=]\r
                {\r
                        layers_[index].play();\r
-               });\r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       void stop(int index)\r
+       boost::unique_future<void> stop(int index)\r
        {               \r
-               channel_.execution().invoke([&]\r
+               return executor_.begin_invoke([=]\r
                {\r
                        layers_[index].stop();\r
-               });\r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       void clear(int index)\r
+       boost::unique_future<void> clear(int index)\r
        {\r
-               channel_.execution().invoke([&]\r
+               return executor_.begin_invoke([=]\r
                {\r
                        layers_.erase(index);\r
-               });\r
+               }, task_priority::high_priority);\r
        }\r
                \r
-       void clear()\r
+       boost::unique_future<void> clear()\r
        {\r
-               channel_.execution().invoke([&]\r
+               return executor_.begin_invoke([=]\r
                {\r
                        layers_.clear();\r
-               });\r
+               }, task_priority::high_priority);\r
        }       \r
-       \r
-       void swap_layer(int index, size_t other_index)\r
+               \r
+       boost::unique_future<void> swap_layers(stage& other)\r
        {\r
-               channel_.execution().invoke([&]\r
+               auto other_impl = other.impl_;\r
+\r
+               if(other_impl.get() == this)\r
+                       return async(launch::deferred, []{});\r
+               \r
+               auto func = [=]\r
                {\r
-                       layers_[index].swap(layers_[other_index]);\r
-               });\r
+                       auto layers                     = layers_ | boost::adaptors::map_values;\r
+                       auto other_layers       = other_impl->layers_ | boost::adaptors::map_values;\r
+\r
+                       BOOST_FOREACH(auto& layer, layers)\r
+                               layer.unsubscribe(event_subject_);\r
+                       \r
+                       BOOST_FOREACH(auto& layer, other_layers)\r
+                               layer.unsubscribe(event_subject_);\r
+                       \r
+                       std::swap(layers_, other_impl->layers_);\r
+                                               \r
+                       BOOST_FOREACH(auto& layer, layers)\r
+                               layer.subscribe(event_subject_);\r
+                       \r
+                       BOOST_FOREACH(auto& layer, other_layers)\r
+                               layer.subscribe(event_subject_);\r
+               };              \r
+\r
+               return executor_.begin_invoke([=]\r
+               {\r
+                       other_impl->executor_.invoke(func, task_priority::high_priority);\r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       void swap_layer(int index, size_t other_index, stage& other)\r
+       boost::unique_future<void> swap_layer(int index, int other_index)\r
        {\r
-               if(other.impl_.get() == this)\r
-                       swap_layer(index, other_index);\r
-               else\r
+               return executor_.begin_invoke([=]\r
                {\r
-                       if(channel_.get_format_desc() != other.impl_->channel_.get_format_desc())\r
-                               BOOST_THROW_EXCEPTION(not_supported() << msg_info("Cannot swap between channels with different formats."));\r
-\r
-                       auto func = [&]{layers_[index].swap(other.impl_->layers_[other_index]);};\r
-               \r
-                       channel_.execution().invoke([&]{other.impl_->channel_.execution().invoke(func);});\r
-               }\r
+                       std::swap(layers_[index], layers_[other_index]);\r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       void swap(stage& other)\r
+       boost::unique_future<void> swap_layer(int index, int other_index, stage& other)\r
        {\r
-               if(other.impl_.get() == this)\r
-                       return;\r
+               auto other_impl = other.impl_;\r
 \r
-               if(channel_.get_format_desc() != other.impl_->channel_.get_format_desc())\r
-                       BOOST_THROW_EXCEPTION(not_supported() << msg_info("Cannot swap between channels with different formats."));\r
-\r
-               auto func = [&]\r
+               if(other_impl.get() == this)\r
+                       return swap_layer(index, other_index);\r
+               else\r
                {\r
-                       auto sel_first = [](const std::pair<int, layer>& pair){return pair.first;};\r
+                       auto func = [=]\r
+                       {\r
+                               auto& my_layer          = get_layer(index);\r
+                               auto& other_layer       = other_impl->get_layer(other_index);\r
 \r
-                       std::set<int> indices;\r
-                       auto inserter = std::inserter(indices, indices.begin());\r
+                               my_layer.unsubscribe(event_subject_);\r
+                               other_layer.unsubscribe(other_impl->event_subject_);\r
 \r
-                       std::transform(layers_.begin(), layers_.end(), inserter, sel_first);\r
-                       std::transform(other.impl_->layers_.begin(), other.impl_->layers_.end(), inserter, sel_first);\r
+                               std::swap(my_layer, other_layer);\r
 \r
-                       BOOST_FOREACH(auto index, indices)\r
-                               layers_[index].swap(other.impl_->layers_[index]);\r
-               };\r
-               \r
-               channel_.execution().invoke([&]{other.impl_->channel_.execution().invoke(func);});\r
+                               my_layer.subscribe(event_subject_);\r
+                               other_layer.subscribe(other_impl->event_subject_);\r
+                       };              \r
+\r
+                       return executor_.begin_invoke([=]\r
+                       {\r
+                               other_impl->executor_.invoke(func, task_priority::high_priority);\r
+                       }, task_priority::high_priority);\r
+               }\r
        }\r
-       \r
-       boost::unique_future<safe_ptr<frame_producer>> foreground(int index)\r
+               \r
+       boost::unique_future<spl::shared_ptr<frame_producer>> foreground(int index)\r
        {\r
-               return channel_.execution().begin_invoke([=]{return layers_[index].foreground();});\r
+               return executor_.begin_invoke([=]\r
+               {\r
+                       return layers_[index].foreground();\r
+               }, task_priority::high_priority);\r
        }\r
        \r
-       boost::unique_future<safe_ptr<frame_producer>> background(int index)\r
+       boost::unique_future<spl::shared_ptr<frame_producer>> background(int index)\r
        {\r
-               return channel_.execution().begin_invoke([=]{return layers_[index].background();});\r
+               return executor_.begin_invoke([=]\r
+               {\r
+                       return layers_[index].background();\r
+               }, task_priority::high_priority);\r
        }\r
 \r
-       std::wstring print() const\r
+       boost::unique_future<boost::property_tree::wptree> info()\r
        {\r
-               return L"stage [" + boost::lexical_cast<std::wstring>(channel_.index()) + L"]";\r
+               return executor_.begin_invoke([this]() -> boost::property_tree::wptree\r
+               {\r
+                       boost::property_tree::wptree info;\r
+                       BOOST_FOREACH(auto& layer, layers_)                     \r
+                               info.add_child(L"layers.layer", layer.second.info())\r
+                                       .add(L"index", layer.first);    \r
+                       return info;\r
+               }, task_priority::high_priority);\r
        }\r
 \r
+       boost::unique_future<boost::property_tree::wptree> info(int index)\r
+       {\r
+               return executor_.begin_invoke([=]\r
+               {\r
+                       return layers_[index].info();\r
+               }, task_priority::high_priority);\r
+       }               \r
+       \r
+       boost::unique_future<std::wstring> call(int index, const std::wstring& params)\r
+       {\r
+               return flatten(executor_.begin_invoke([=]\r
+               {\r
+                       return make_shared(layers_[index].foreground()->call(params));\r
+               }, task_priority::high_priority));\r
+       }\r
 };\r
 \r
-stage::stage(video_channel_context& video_channel) : impl_(new implementation(video_channel)){}\r
-void stage::swap(stage& other){impl_->swap(other);}\r
-void stage::load(int index, const safe_ptr<frame_producer>& producer, bool preview){impl_->load(index, producer, preview);}\r
-void stage::pause(int index){impl_->pause(index);}\r
-void stage::play(int index){impl_->play(index);}\r
-void stage::stop(int index){impl_->stop(index);}\r
-void stage::clear(int index){impl_->clear(index);}\r
-void stage::clear(){impl_->clear();}\r
-void stage::swap_layer(int index, size_t other_index){impl_->swap_layer(index, other_index);}\r
-void stage::swap_layer(int index, size_t other_index, stage& other){impl_->swap_layer(index, other_index, other);}\r
-boost::unique_future<safe_ptr<frame_producer>> stage::foreground(size_t index) {return impl_->foreground(index);}\r
-boost::unique_future<safe_ptr<frame_producer>> stage::background(size_t index) {return impl_->background(index);}\r
-std::map<int, safe_ptr<basic_frame>> stage::execute(){return impl_->execute();}\r
+stage::stage(spl::shared_ptr<diagnostics::graph> graph) : impl_(new impl(std::move(graph))){}\r
+boost::unique_future<std::wstring> stage::call(int index, const std::wstring& params){return impl_->call(index, params);}\r
+boost::unique_future<void> stage::apply_transforms(const std::vector<stage::transform_tuple_t>& transforms){return impl_->apply_transforms(transforms);}\r
+boost::unique_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);}\r
+boost::unique_future<void> stage::clear_transforms(int index){return impl_->clear_transforms(index);}\r
+boost::unique_future<void> stage::clear_transforms(){return impl_->clear_transforms();}\r
+boost::unique_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);}\r
+boost::unique_future<void> stage::pause(int index){return impl_->pause(index);}\r
+boost::unique_future<void> stage::play(int index){return impl_->play(index);}\r
+boost::unique_future<void> stage::stop(int index){return impl_->stop(index);}\r
+boost::unique_future<void> stage::clear(int index){return impl_->clear(index);}\r
+boost::unique_future<void> stage::clear(){return impl_->clear();}\r
+boost::unique_future<void> stage::swap_layers(stage& other){return impl_->swap_layers(other);}\r
+boost::unique_future<void> stage::swap_layer(int index, int other_index){return impl_->swap_layer(index, other_index);}\r
+boost::unique_future<void> stage::swap_layer(int index, int other_index, stage& other){return impl_->swap_layer(index, other_index, other);}\r
+boost::unique_future<spl::shared_ptr<frame_producer>> stage::foreground(int index) {return impl_->foreground(index);}\r
+boost::unique_future<spl::shared_ptr<frame_producer>> stage::background(int index) {return impl_->background(index);}\r
+boost::unique_future<boost::property_tree::wptree> stage::info() const{return impl_->info();}\r
+boost::unique_future<boost::property_tree::wptree> stage::info(int index) const{return impl_->info(index);}\r
+std::map<int, class draw_frame> stage::operator()(const video_format_desc& format_desc){return (*impl_)(format_desc);}\r
+void stage::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.subscribe(o);}\r
+void stage::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.unsubscribe(o);}\r
 }}
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