]> git.sesse.net Git - casparcg/blobdiff - core/producer/frame_producer_device.cpp
2.0.0.2: bluefish_consumer: Added proper prerolling.
[casparcg] / core / producer / frame_producer_device.cpp
index 17dd86485cdc088a5e5446381d6aa50a43d152fb..4d351ce19d6a2c400576fed5bffe57b4e1c5bc9c 100644 (file)
+/*\r
+* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+*\r
+*  This file is part of CasparCG.\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
+*\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
+*/\r
+\r
 #include "../StdAfx.h"\r
 \r
 #include "frame_producer_device.h"\r
 \r
-#include "../mixer/frame/draw_frame.h"\r
-#include "../mixer/frame_factory.h"\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
+\r
+#include <common/diagnostics/graph.h>\r
 #include <common/concurrency/executor.h>\r
 \r
-#include <boost/range/algorithm_ext/erase.hpp>\r
-#include <boost/lexical_cast.hpp>\r
+#include <boost/timer.hpp>\r
 \r
 #include <tbb/parallel_for.h>\r
-#include <tbb/spin_mutex.h>\r
 \r
-#include <array>\r
-#include <memory>\r
+#include <map>\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
-struct frame_producer_device::implementation : boost::noncopyable\r
-{              \r
-       std::array<layer, frame_producer_device::MAX_LAYER> layers_;            \r
-\r
-       tbb::spin_mutex output_mutex_;\r
-       output_func output_;\r
-\r
-       const safe_ptr<frame_factory> factory_;\r
-       \r
-       mutable executor executor_;\r
-\r
+class destroy_producer_proxy : public frame_producer\r
+{\r
+       safe_ptr<frame_producer> producer_;\r
+       executor& destroy_context_;\r
 public:\r
-       implementation(const safe_ptr<frame_factory>& factory, const output_func& output)  \r
-               : factory_(factory)\r
-               , output_(output)\r
-       {\r
-               for(size_t n = 0; n < layers_.size(); ++n)\r
-                       layers_[n] = layer(n);\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
+       {               \r
+               if(destroy_context_.size() > 4)\r
+                       CASPAR_LOG(error) << L" Potential destroyer deadlock.";\r
 \r
-               executor_.start();\r
-               executor_.begin_invoke([=]{tick();});\r
+               destroy_context_.begin_invoke(std::bind(&destroy_producer, std::move(producer_)));\r
        }\r
 \r
-       ~implementation()\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
+\r
+struct frame_producer_device::implementation : boost::noncopyable\r
+{              \r
+       std::map<int, layer>                                            layers_;                \r
+       typedef std::map<int, layer>::value_type        layer_t;\r
+       \r
+       safe_ptr<diagnostics::graph>                            diag_;\r
+       boost::timer                                                            frame_timer_;\r
+       boost::timer                                                            tick_timer_;\r
+       boost::timer                                                            output_timer_;\r
+       \r
+       video_channel_context&                                          channel_;\r
+public:\r
+       implementation(video_channel_context& video_channel)  \r
+               : diag_(diagnostics::create_graph(std::string("frame_producer_device")))\r
+               , channel_(video_channel)\r
        {\r
-               CASPAR_LOG(info) << "Shutting down producer-device.";\r
-       }\r
-                                       \r
-       void tick()\r
-       {               \r
-               output_func output;\r
-               {\r
-                       tbb::spin_mutex::scoped_lock lock(output_mutex_);\r
-                       output = output_;\r
-               }\r
-               output(draw());\r
-               executor_.begin_invoke([=]{tick();});\r
+               diag_->add_guide("frame-time", 0.5f);   \r
+               diag_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
+               diag_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));    \r
        }\r
-       \r
-       std::vector<safe_ptr<draw_frame>> draw()\r
+                                               \r
+       std::map<int, safe_ptr<basic_frame>> operator()()\r
        {       \r
-               std::vector<safe_ptr<draw_frame>> frames(layers_.size(), draw_frame::empty());\r
-               tbb::parallel_for(tbb::blocked_range<size_t>(0, frames.size(), 1), // Use grain-size = 1.\r
-               [&](const tbb::blocked_range<size_t>& r)\r
+               frame_timer_.restart();\r
+               \r
+               std::map<int, safe_ptr<basic_frame>> frames;\r
+\r
+               // Allocate placeholders.\r
+               std::for_each(layers_.begin(), layers_.end(), [&](layer_t& layer)\r
                {\r
-                       for(size_t i = r.begin(); i != r.end(); ++i)\r
-                               frames[i] = layers_[i].receive();\r
-               });             \r
-               boost::range::remove_erase(frames, draw_frame::eof());\r
-               boost::range::remove_erase(frames, draw_frame::empty());\r
-               return frames;\r
-       }\r
+                       frames[layer.first] = basic_frame::empty();\r
+               });\r
 \r
-       void load(size_t index, const safe_ptr<frame_producer>& producer, bool play_on_load)\r
-       {\r
-               check_bounds(index);\r
-               producer->initialize(factory_);\r
-               executor_.invoke([&]\r
+               // Render layers\r
+               tbb::parallel_for_each(layers_.begin(), layers_.end(), [&](layer_t& layer)\r
                {\r
-                       layers_[index].load(producer, play_on_load);\r
+                       frames[layer.first] = layer.second.receive();\r
                });\r
+               \r
+               diag_->update_value("frame-time", frame_timer_.elapsed()*channel_.format_desc.fps*0.5);\r
+\r
+               diag_->update_value("tick-time", tick_timer_.elapsed()*channel_.format_desc.fps*0.5);\r
+               tick_timer_.restart();\r
+\r
+               return frames;\r
        }\r
-                       \r
-       void preview(size_t index, const safe_ptr<frame_producer>& producer)\r
+\r
+       void load(int index, const safe_ptr<frame_producer>& producer, bool preview)\r
        {\r
-               check_bounds(index);\r
-               producer->initialize(factory_);\r
-               executor_.invoke([&]\r
-               {                       \r
-                       layers_[index].preview(producer);\r
-               });\r
+               channel_.execution.invoke([&]{layers_[index].load(make_safe<destroy_producer_proxy>(channel_.destruction, producer), preview);});\r
        }\r
 \r
-       void pause(size_t index)\r
+       void pause(int index)\r
        {               \r
-               check_bounds(index);\r
-               executor_.invoke([&]\r
-               {\r
-                       layers_[index].pause();\r
-               });\r
+               channel_.execution.invoke([&]{layers_[index].pause();});\r
        }\r
 \r
-       void play(size_t index)\r
+       void play(int index)\r
        {               \r
-               check_bounds(index);\r
-               executor_.invoke([&]\r
-               {\r
-                       layers_[index].play();\r
-               });\r
+               channel_.execution.invoke([&]{layers_[index].play();});\r
        }\r
 \r
-       void stop(size_t index)\r
+       void stop(int index)\r
        {               \r
-               check_bounds(index);\r
-               executor_.invoke([&]\r
-               {\r
-                       layers_[index].stop();\r
-               });\r
+               channel_.execution.invoke([&]{layers_[index].stop();});\r
        }\r
 \r
-       void clear(size_t index)\r
+       void clear(int index)\r
        {\r
-               check_bounds(index);\r
-               executor_.invoke([&]\r
-               {\r
-                       layers_[index] = std::move(layer());\r
-               });\r
+               channel_.execution.invoke([&]{layers_.erase(index);});\r
        }\r
                \r
        void clear()\r
        {\r
-               executor_.invoke([&]\r
-               {\r
-                       for(auto it = layers_.begin(); it != layers_.end(); ++it)\r
-                               *it = std::move(layer());\r
-               });\r
+               channel_.execution.invoke([&]{layers_.clear();});\r
        }       \r
        \r
-       void swap_layer(size_t index, size_t other_index)\r
+       void swap_layer(int index, size_t other_index)\r
        {\r
-               check_bounds(index);\r
-               check_bounds(other_index);\r
-               executor_.invoke([&]\r
-               {\r
-                       layers_[index].swap(layers_[other_index]);\r
-               });\r
+               channel_.execution.invoke([&]{layers_[index].swap(layers_[other_index]);});\r
        }\r
 \r
-       void swap_layer(size_t index, size_t other_index, frame_producer_device& other)\r
+       void swap_layer(int index, size_t other_index, frame_producer_device& other)\r
        {\r
-               check_bounds(index);\r
-               check_bounds(other_index);\r
-               executor_.invoke([&]\r
+               if(other.impl_.get() == this)\r
+                       swap_layer(index, other_index);\r
+               else\r
                {\r
-                       layers_[index].swap(other.impl_->layers_[other_index]);\r
-               });\r
+                       if(channel_.format_desc != other.impl_->channel_.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
        }\r
 \r
-       void swap_output(frame_producer_device& other)\r
+       void swap(frame_producer_device& other)\r
        {\r
-               tbb::spin_mutex::scoped_lock lock1(output_mutex_);\r
-               tbb::spin_mutex::scoped_lock lock2(other.impl_->output_mutex_);\r
-               output_.swap(other.impl_->output_);\r
-       }\r
+               if(other.impl_.get() == this)\r
+                       return;\r
 \r
-       void check_bounds(size_t index) const\r
+               if(channel_.format_desc != other.impl_->channel_.format_desc)\r
+                       BOOST_THROW_EXCEPTION(not_supported() << msg_info("Cannot swap between channels with different formats."));\r
+\r
+               auto func = [&]\r
+               {\r
+                       auto sel_first = [](const std::pair<int, layer>& pair){return pair.first;};\r
+\r
+                       std::set<int> indices;\r
+                       auto inserter = std::inserter(indices, indices.begin());\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
+\r
+                       std::for_each(indices.begin(), indices.end(), [&](int index)\r
+                       {\r
+                               layers_[index].swap(other.impl_->layers_[index]);\r
+                       });                                     \r
+               };\r
+               \r
+               channel_.execution.invoke([&]{other.impl_->channel_.execution.invoke(func);});\r
+       }\r
+       \r
+       boost::unique_future<safe_ptr<frame_producer>> foreground(int index)\r
        {\r
-               if(index < 0 || index >= frame_producer_device::MAX_LAYER)\r
-                       BOOST_THROW_EXCEPTION(out_of_range() << arg_name_info("index") << arg_value_info(boost::lexical_cast<std::string>(index)));\r
+               return channel_.execution.begin_invoke([=]{return layers_[index].foreground();});\r
        }\r
        \r
-       boost::unique_future<safe_ptr<frame_producer>> foreground(size_t index) const\r
+       boost::unique_future<safe_ptr<frame_producer>> background(int index)\r
        {\r
-               check_bounds(index);\r
-               return executor_.begin_invoke([=]() -> safe_ptr<frame_producer>\r
-               {                       \r
-                       return layers_[index].foreground();\r
-               });\r
+               return channel_.execution.begin_invoke([=]{return layers_[index].background();});\r
        }\r
 };\r
 \r
-frame_producer_device::frame_producer_device(const safe_ptr<frame_factory>& factory, const output_func& output) : impl_(new implementation(factory, output)){}\r
-frame_producer_device::frame_producer_device(frame_producer_device&& other) : impl_(std::move(other.impl_)){}\r
-void frame_producer_device::load(size_t index, const safe_ptr<frame_producer>& producer, bool play_on_load){impl_->load(index, producer, play_on_load);}\r
-void frame_producer_device::preview(size_t index, const safe_ptr<frame_producer>& producer){impl_->preview(index, producer);}\r
-void frame_producer_device::pause(size_t index){impl_->pause(index);}\r
-void frame_producer_device::play(size_t index){impl_->play(index);}\r
-void frame_producer_device::stop(size_t index){impl_->stop(index);}\r
-void frame_producer_device::clear(size_t index){impl_->clear(index);}\r
+frame_producer_device::frame_producer_device(video_channel_context& video_channel) : impl_(new implementation(video_channel)){}\r
+void frame_producer_device::swap(frame_producer_device& other){impl_->swap(other);}\r
+void frame_producer_device::load(int index, const safe_ptr<frame_producer>& producer, bool preview){impl_->load(index, producer, preview);}\r
+void frame_producer_device::pause(int index){impl_->pause(index);}\r
+void frame_producer_device::play(int index){impl_->play(index);}\r
+void frame_producer_device::stop(int index){impl_->stop(index);}\r
+void frame_producer_device::clear(int index){impl_->clear(index);}\r
 void frame_producer_device::clear(){impl_->clear();}\r
-void frame_producer_device::swap_layer(size_t index, size_t other_index){impl_->swap_layer(index, other_index);}\r
-void frame_producer_device::swap_layer(size_t index, size_t other_index, frame_producer_device& other){impl_->swap_layer(index, other_index, other);}\r
-void frame_producer_device::swap_output(frame_producer_device& other){impl_->swap_output(other);}\r
-boost::unique_future<safe_ptr<frame_producer>> frame_producer_device::foreground(size_t index) const{  return impl_->foreground(index);}\r
+void frame_producer_device::swap_layer(int index, size_t other_index){impl_->swap_layer(index, other_index);}\r
+void frame_producer_device::swap_layer(int index, size_t other_index, frame_producer_device& other){impl_->swap_layer(index, other_index, other);}\r
+boost::unique_future<safe_ptr<frame_producer>> frame_producer_device::foreground(size_t index) {return impl_->foreground(index);}\r
+boost::unique_future<safe_ptr<frame_producer>> frame_producer_device::background(size_t index) {return impl_->background(index);}\r
+std::map<int, safe_ptr<basic_frame>> frame_producer_device::operator()(){return (*impl_)();}\r
 }}
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