#include <boost/lexical_cast.hpp>
#include <string>
+#include <unordered_map>
namespace caspar { namespace core {
caspar::core::mixer mixer_;
caspar::core::stage stage_;
+ mutable tbb::spin_mutex tick_listeners_mutex_;
+ int64_t last_tick_listener_id = 0;
+ std::unordered_map<int64_t, std::function<void ()>> tick_listeners_;
+
executor executor_ { L"video_channel " + boost::lexical_cast<std::wstring>(index_) };
public:
impl(
});
}
+ void invoke_tick_listeners()
+ {
+ auto listeners = lock(tick_listeners_mutex_, [=] { return tick_listeners_; });
+
+ for (auto listener : listeners)
+ {
+ try
+ {
+ listener.second();
+ }
+ catch (...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ }
+ }
+ }
+
void tick()
{
try
{
+ invoke_tick_listeners();
auto format_desc = video_format_desc();
auto channel_layout = audio_channel_layout();
auto frame_time = frame_timer.elapsed()*format_desc.fps*0.5;
graph_->set_value("tick-time", frame_time);
- *monitor_subject_ << monitor::message("/profiler/time") % frame_timer.elapsed() % (1.0/format_desc_.fps)
+ *monitor_subject_ << monitor::message("/profiler/time") % frame_timer.elapsed() % (1.0/ video_format_desc().fps)
<< monitor::message("/format") % format_desc.name;
}
catch(...)
return info;
}
+
+ std::shared_ptr<void> add_tick_listener(std::function<void()> listener)
+ {
+ return lock(tick_listeners_mutex_, [&]
+ {
+ auto tick_listener_id = last_tick_listener_id++;
+ tick_listeners_.insert(std::make_pair(tick_listener_id, listener));
+
+ return std::shared_ptr<void>(nullptr, [=](void*)
+ {
+ lock(tick_listeners_mutex_, [&]
+ {
+ tick_listeners_.erase(tick_listener_id);
+ });
+ });
+ });
+ }
};
video_channel::video_channel(
boost::property_tree::wptree video_channel::delay_info() const { return impl_->delay_info(); }
int video_channel::index() const { return impl_->index(); }
monitor::subject& video_channel::monitor_output(){ return *impl_->monitor_subject_; }
+std::shared_ptr<void> video_channel::add_tick_listener(std::function<void()> listener) { return impl_->add_tick_listener(std::move(listener)); }
}}