[scene_producer] Added possibility to CALL/CG PLAY/CG STOP/CG NEXT/CG INVOKE layers...

[casparcg] / core / producer / scene / scene_producer.cpp

diff --git a/core/producer/scene/scene_producer.cpp b/core/producer/scene/scene_producer.cpp
index f5f2a625edf0b0257f329578f703799009d78183..efcfa3516460e6f94b8149be1a0a8d44fc663b53 100644 (file)
--- a/core/producer/scene/scene_producer.cpp
+++ b/core/producer/scene/scene_producer.cpp
@@ -119,6 +119,7 @@ struct marker
 struct scene_producer::impl
 {
        std::wstring                                                                                    producer_name_;
+       std::wstring                                                                                    template_name_;
        constraints                                                                                             pixel_constraints_;
        video_format_desc                                                                               format_desc_;
        std::list<layer>                                                                                layers_;
@@ -135,14 +136,20 @@ struct scene_producer::impl
        std::map<std::wstring, std::shared_ptr<core::variable>> variables_;
        std::vector<std::wstring>                                                               variable_names_;
        std::multimap<int64_t, marker>                                                  markers_by_frame_;
+       std::vector<std::shared_ptr<void>>                                              task_subscriptions_;
        monitor::subject                                                                                monitor_subject_;
        bool                                                                                                    paused_                         = true;
        bool                                                                                                    removed_                        = false;
        bool                                                                                                    going_to_mark_          = false;
 
-       impl(std::wstring producer_name, int width, int height, const video_format_desc& format_desc)
+       impl(
+                       std::wstring producer_name,
+                       std::wstring template_name,
+                       int width,
+                       int height,
+                       const video_format_desc& format_desc)
                : producer_name_(std::move(producer_name))
-               , pixel_constraints_(width, height)
+               , template_name_(std::move(template_name))
                , format_desc_(format_desc)
                , aggregator_([=] (double x, double y) { return collission_detect(x, y); })
        {
@@ -166,6 +173,13 @@ struct scene_producer::impl
                mouse_y_ = mouse_y_variable->value();
                m_x_ = 0;
                m_y_ = 0;
+
+               auto scene_width = std::make_shared<core::variable_impl<double>>(boost::lexical_cast<std::wstring>(width), false, width);
+               auto scene_height = std::make_shared<core::variable_impl<double>>(boost::lexical_cast<std::wstring>(height), false, height);
+               store_variable(L"scene_width", scene_width);
+               store_variable(L"scene_height", scene_height);
+               pixel_constraints_.width = scene_width->value();
+               pixel_constraints_.height = scene_height->value();
        }
 
        layer& create_layer(
@@ -185,6 +199,15 @@ struct scene_producer::impl
                layers_.reverse();
        }
 
+       layer& get_layer(const std::wstring& name)
+       {
+               for (auto& layer : layers_)
+                       if (layer.name.get() == name)
+                               return layer;
+
+               CASPAR_THROW_EXCEPTION(user_error() << msg_info(name + L" not found in scene"));
+       }
+
        void store_keyframe(void* timeline_identity, const keyframe& k)
        {
                timelines_[timeline_identity].keyframes.insert(std::make_pair(k.destination_frame, k));
@@ -202,6 +225,27 @@ struct scene_producer::impl
                markers_by_frame_.insert(std::make_pair(frame, marker(action, label)));
        }
 
+       void add_task(binding<bool> when, std::function<void ()> task)
+       {
+               auto subscription = when.on_change([=]
+               {
+                       if (when.get())
+                       {
+                               try
+                               {
+                                       task();
+                               }
+                               catch (...)
+                               {
+                                       CASPAR_LOG_CURRENT_EXCEPTION_AT_LEVEL(debug);
+                                       CASPAR_LOG(error) << print() << " Error when invoking scene task. Turn on log level debug for stacktrace.";
+                               }
+                       }
+               });
+
+               task_subscriptions_.push_back(std::move(subscription));
+       }
+
        core::variable& get_variable(const std::wstring& name)
        {
                auto found = variables_.find(name);
@@ -528,7 +572,7 @@ struct scene_producer::impl
 
        std::wstring print() const
        {
-               return L"scene[type=" + name() + L"]";
+               return L"scene[type=" + name() + L" template=" + template_name_ + L"]";
        }
 
        std::wstring name() const
@@ -541,6 +585,7 @@ struct scene_producer::impl
                boost::property_tree::wptree info;
                info.add(L"type", L"scene");
                info.add(L"producer-name", name());
+               info.add(L"template-name", template_name_);
                info.add(L"frame-number", frame_number_.get());
                info.add(L"timeline-frame-number", timeline_frame_number_.get());
 
@@ -578,8 +623,8 @@ struct scene_producer::impl
        }
 };
 
-scene_producer::scene_producer(std::wstring producer_name, int width, int height, const video_format_desc& format_desc)
-       : impl_(new impl(std::move(producer_name), width, height, format_desc))
+scene_producer::scene_producer(std::wstring producer_name, std::wstring template_name, int width, int height, const video_format_desc& format_desc)
+       : impl_(new impl(std::move(producer_name), std::move(template_name), width, height, format_desc))
 {
 }
 
@@ -599,10 +644,16 @@ layer& scene_producer::create_layer(
        return impl_->create_layer(producer, 0, 0, name);
 }
 
-void scene_producer::reverse_layers() {
+void scene_producer::reverse_layers()
+{
        impl_->reverse_layers();
 }
 
+layer& scene_producer::get_layer(const std::wstring& name)
+{
+       return impl_->get_layer(name);
+}
+
 binding<int64_t> scene_producer::timeline_frame()
 {
        return impl_->timeline_frame();
@@ -666,6 +717,11 @@ void scene_producer::add_mark(int64_t frame, mark_action action, const std::wstr
        impl_->add_mark(frame, action, label);
 }
 
+void scene_producer::add_task(binding<bool> when, std::function<void ()> task)
+{
+       impl_->add_task(std::move(when), std::move(task));
+}
+
 core::variable& scene_producer::get_variable(const std::wstring& name)
 {
        return impl_->get_variable(name);