#include "../StdAfx.h"\r
\r
#include "frame_producer_device.h"\r
-#include "destroy_producer_proxy.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
\r
#include <common/diagnostics/graph.h>\r
-\r
-#include "layer.h"\r
-\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/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
+class destroy_producer_proxy : public frame_producer\r
+{\r
+ safe_ptr<frame_producer> producer_;\r
+ executor& destroy_context_;\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
+ { \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
+ }\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
\r
struct frame_producer_device::implementation : boost::noncopyable\r
{ \r
- std::map<int, layer> layers_; \r
+ std::map<int, layer> layers_; \r
+ typedef std::map<int, layer>::value_type layer_t;\r
\r
- const video_format_desc format_desc_;\r
+ safe_ptr<diagnostics::graph> diag_;\r
+ boost::timer frame_timer_;\r
+ boost::timer tick_timer_;\r
+ boost::timer output_timer_;\r
\r
- safe_ptr<diagnostics::graph> diag_;\r
-\r
- const std::function<void(const std::map<int, safe_ptr<basic_frame>>&)> output_;\r
-\r
- boost::timer frame_timer_;\r
- boost::timer tick_timer_;\r
- boost::timer output_timer_;\r
- \r
- mutable executor executor_;\r
+ video_channel_context& channel_;\r
public:\r
- implementation(const video_format_desc& format_desc, const std::function<void(const std::map<int, safe_ptr<basic_frame>>&)>& output) \r
- : format_desc_(format_desc)\r
- , diag_(diagnostics::create_graph(std::string("frame_producer_device")))\r
- , executor_(L"frame_producer_device")\r
- , output_(output)\r
+ implementation(video_channel_context& video_channel) \r
+ : diag_(diagnostics::create_graph(std::string("frame_producer_device")))\r
+ , channel_(video_channel)\r
{\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
- diag_->set_color("output-time", diagnostics::color(0.5f, 1.0f, 0.2f));\r
- executor_.begin_invoke([]\r
- {\r
- SetThreadPriority(GetCurrentThread(), ABOVE_NORMAL_PRIORITY_CLASS);\r
- });\r
- executor_.begin_invoke([=]{tick();}); \r
+ diag_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f)); \r
}\r
- \r
- void tick()\r
- { \r
- auto frame = draw();\r
- output_timer_.restart();\r
- output_(frame);\r
- diag_->update_value("output-time", static_cast<float>(output_timer_.elapsed()*format_desc_.fps*0.5));\r
-\r
- executor_.begin_invoke([=]{tick();});\r
- }\r
- \r
- std::map<int, safe_ptr<basic_frame>> draw()\r
+ \r
+ std::map<int, safe_ptr<basic_frame>> operator()()\r
{ \r
frame_timer_.restart();\r
-\r
+ \r
std::map<int, safe_ptr<basic_frame>> frames;\r
- for(auto it = layers_.begin(); it != layers_.end(); ++it)\r
- frames[it->first] = basic_frame::empty();\r
\r
- tbb::parallel_for_each(layers_.begin(), layers_.end(), [&](decltype(*layers_.begin())& pair)\r
+ // Allocate placeholders.\r
+ std::for_each(layers_.begin(), layers_.end(), [&](layer_t& layer)\r
{\r
- auto frame = pair.second.receive();\r
- if(is_concrete_frame(frame))\r
- frames[pair.first] = frame; \r
+ frames[layer.first] = basic_frame::empty();\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
- diag_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
+ diag_->update_value("frame-time", frame_timer_.elapsed()*channel_.format_desc.fps*0.5);\r
\r
- diag_->update_value("tick-time", static_cast<float>(tick_timer_.elapsed()*format_desc_.fps*0.5));\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
void load(int index, const safe_ptr<frame_producer>& producer, bool preview)\r
{\r
- executor_.invoke([&]{layers_[index].load(make_safe<destroy_producer_proxy>(producer), preview);});\r
+ channel_.execution.invoke([&]{layers_[index].load(make_safe<destroy_producer_proxy>(channel_.destruction, producer), preview);});\r
}\r
\r
void pause(int index)\r
{ \r
- executor_.invoke([&]{layers_[index].pause();});\r
+ channel_.execution.invoke([&]{layers_[index].pause();});\r
}\r
\r
void play(int index)\r
{ \r
- executor_.invoke([&]{layers_[index].play();});\r
+ channel_.execution.invoke([&]{layers_[index].play();});\r
}\r
\r
void stop(int index)\r
{ \r
- executor_.invoke([&]{layers_[index].stop();});\r
+ channel_.execution.invoke([&]{layers_[index].stop();});\r
}\r
\r
void clear(int index)\r
{\r
- executor_.invoke([&]{layers_.erase(index);});\r
+ channel_.execution.invoke([&]{layers_.erase(index);});\r
}\r
\r
void clear()\r
{\r
- executor_.invoke([&]{layers_.clear();});\r
+ channel_.execution.invoke([&]{layers_.clear();});\r
} \r
\r
void swap_layer(int index, size_t other_index)\r
{\r
- executor_.invoke([&]{layers_[index].swap(layers_[other_index]);});\r
+ channel_.execution.invoke([&]{layers_[index].swap(layers_[other_index]);});\r
}\r
\r
void swap_layer(int index, size_t other_index, frame_producer_device& other)\r
swap_layer(index, other_index);\r
else\r
{\r
- if(format_desc_ != other.impl_->format_desc_)\r
- BOOST_THROW_EXCEPTION(invalid_operation() << msg_info("Cannot swap between channels with different formats."));\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
- executor_.invoke([&]{other.impl_->executor_.invoke(func);});\r
+ channel_.execution.invoke([&]{other.impl_->channel_.execution.invoke(func);});\r
}\r
}\r
\r
if(other.impl_.get() == this)\r
return;\r
\r
- if(format_desc_ != other.impl_->format_desc_)\r
- BOOST_THROW_EXCEPTION(invalid_operation() << msg_info("Cannot swap between channels with different formats."));\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
\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
- executor_.invoke([&]{other.impl_->executor_.invoke(func);});\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
- return executor_.begin_invoke([=]{return layers_[index].foreground();});\r
+ return channel_.execution.begin_invoke([=]{return layers_[index].foreground();});\r
}\r
\r
boost::unique_future<safe_ptr<frame_producer>> background(int index)\r
{\r
- return executor_.begin_invoke([=]{return layers_[index].background();});\r
+ return channel_.execution.begin_invoke([=]{return layers_[index].background();});\r
}\r
};\r
\r
-frame_producer_device::frame_producer_device(const video_format_desc& format_desc, const std::function<void(const std::map<int, safe_ptr<basic_frame>>&)>& output) : impl_(new implementation(format_desc, output)){}\r
-frame_producer_device::frame_producer_device(frame_producer_device&& other) : impl_(std::move(other.impl_)){}\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::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
}}
\ No newline at end of file