#include "frame/frame.h"
#include "frame/draw_frame.h"
#include "frame/frame_factory.h"
+#include "frame/audio_channel_layout.h"
#include <common/diagnostics/graph.h>
#include <common/env.h>
#include <common/lock.h>
#include <common/executor.h>
+#include <common/timer.h>
+#include <common/future.h>
#include <core/mixer/image/image_mixer.h>
+#include <core/diagnostics/call_context.h>
#include <tbb/spin_mutex.h>
#include <boost/property_tree/ptree.hpp>
+#include <boost/lexical_cast.hpp>
#include <string>
+#include <unordered_map>
namespace caspar { namespace core {
struct video_channel::impl final
{
- spl::shared_ptr<monitor::subject> monitor_subject_;
+ spl::shared_ptr<monitor::subject> monitor_subject_;
- const int index_;
+ const int index_;
- mutable tbb::spin_mutex format_desc_mutex_;
- core::video_format_desc format_desc_;
-
- const spl::shared_ptr<diagnostics::graph> graph_;
+ mutable tbb::spin_mutex format_desc_mutex_;
+ core::video_format_desc format_desc_;
+ mutable tbb::spin_mutex channel_layout_mutex_;
+ core::audio_channel_layout channel_layout_;
- caspar::core::output output_;
- spl::shared_ptr<image_mixer> image_mixer_;
- caspar::core::mixer mixer_;
- caspar::core::stage stage_;
+ const spl::shared_ptr<caspar::diagnostics::graph> graph_ = [](int index)
+ {
+ core::diagnostics::scoped_call_context save;
+ core::diagnostics::call_context::for_thread().video_channel = index;
+ return spl::make_shared<caspar::diagnostics::graph>();
+ }(index_);
- executor executor_ = L"video_channel";
+ caspar::core::output output_;
+ std::future<void> output_ready_for_frame_ = make_ready_future();
+ spl::shared_ptr<image_mixer> image_mixer_;
+ 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(int index, const core::video_format_desc& format_desc, std::unique_ptr<image_mixer> image_mixer)
+ impl(
+ int index,
+ const core::video_format_desc& format_desc,
+ const core::audio_channel_layout& channel_layout,
+ std::unique_ptr<image_mixer> image_mixer)
: monitor_subject_(spl::make_shared<monitor::subject>(
"/channel/" + boost::lexical_cast<std::string>(index)))
, index_(index)
, format_desc_(format_desc)
- , output_(graph_, format_desc, index)
+ , channel_layout_(channel_layout)
+ , output_(graph_, format_desc, channel_layout, index)
, image_mixer_(std::move(image_mixer))
- , mixer_(graph_, image_mixer_)
- , stage_(graph_)
+ , mixer_(index, graph_, image_mixer_)
+ , stage_(index, graph_)
{
- graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));
+ graph_->set_color("tick-time", caspar::diagnostics::color(0.0f, 0.6f, 0.9f));
graph_->set_text(print());
- diagnostics::register_graph(graph_);
-
+ caspar::diagnostics::register_graph(graph_);
+
output_.monitor_output().attach_parent(monitor_subject_);
+ mixer_.monitor_output().attach_parent(monitor_subject_);
stage_.monitor_output().attach_parent(monitor_subject_);
executor_.begin_invoke([=]{tick();});
CASPAR_LOG(info) << print() << " Successfully Initialized.";
}
-
+
+ ~impl()
+ {
+ CASPAR_LOG(info) << print() << " Uninitializing.";
+ }
+
core::video_format_desc video_format_desc() const
{
return lock(format_desc_mutex_, [&]
return format_desc_;
});
}
-
+
void video_format_desc(const core::video_format_desc& format_desc)
{
lock(format_desc_mutex_, [&]
});
}
+ core::audio_channel_layout audio_channel_layout() const
+ {
+ return lock(channel_layout_mutex_, [&]
+ {
+ return channel_layout_;
+ });
+ }
+
+ void audio_channel_layout(const core::audio_channel_layout& channel_layout)
+ {
+ lock(channel_layout_mutex_, [&]
+ {
+ channel_layout_ = channel_layout;
+ stage_.clear();
+ });
+ }
+
+ 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 format_desc = video_format_desc();
-
- boost::timer frame_timer;
+ caspar::timer frame_timer;
// Produce
-
+
auto stage_frames = stage_(format_desc);
-
+
// Mix
-
- auto mixed_frame = mixer_(std::move(stage_frames), format_desc);
-
+
+ auto mixed_frame = mixer_(std::move(stage_frames), format_desc, channel_layout);
+
// Consume
-
- output_(std::move(mixed_frame), format_desc);
-
- graph_->set_value("tick-time", frame_timer.elapsed()*format_desc.fps*0.5);
- *monitor_subject_ << monitor::message("/profiler/time") % frame_timer.elapsed() % (1.0/format_desc_.fps)
+ output_ready_for_frame_ = output_(std::move(mixed_frame), format_desc, channel_layout);
+ output_ready_for_frame_.get();
+
+ 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/ video_format_desc().fps)
<< monitor::message("/format") % format_desc.name;
}
catch(...)
CASPAR_LOG_CURRENT_EXCEPTION();
}
- executor_.begin_invoke([=]{tick();});
+ if (executor_.is_running())
+ executor_.begin_invoke([=]{tick();});
}
-
+
std::wstring print() const
{
return L"video_channel[" + boost::lexical_cast<std::wstring>(index_) + L"|" + video_format_desc().name + L"]";
}
+ int index() const
+ {
+ return index_;
+ }
+
boost::property_tree::wptree info() const
{
boost::property_tree::wptree info;
auto mixer_info = mixer_.info();
auto output_info = output_.info();
- info.add(L"video-mode", format_desc_.name);
+ info.add(L"video-mode", video_format_desc().name);
+ info.add(L"audio-channel-layout", audio_channel_layout().print());
info.add_child(L"stage", stage_info.get());
info.add_child(L"mixer", mixer_info.get());
info.add_child(L"output", output_info.get());
-
- return info;
+
+ return info;
+ }
+
+ boost::property_tree::wptree delay_info() const
+ {
+ boost::property_tree::wptree info;
+
+ auto stage_info = stage_.delay_info();
+ auto mixer_info = mixer_.delay_info();
+ auto output_info = output_.delay_info();
+
+ // TODO: because of std::async deferred timed waiting does not work so for now we have to block
+ info.add_child(L"layers", stage_info.get());
+ info.add_child(L"mix-time", mixer_info.get());
+ info.add_child(L"output", output_info.get());
+
+ 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(int index, const core::video_format_desc& format_desc, std::unique_ptr<image_mixer> image_mixer) : impl_(new impl(index, format_desc, std::move(image_mixer))){}
+video_channel::video_channel(
+ int index,
+ const core::video_format_desc& format_desc,
+ const core::audio_channel_layout& channel_layout,
+ std::unique_ptr<image_mixer> image_mixer) : impl_(new impl(index, format_desc, channel_layout, std::move(image_mixer))){}
video_channel::~video_channel(){}
-const stage& video_channel::stage() const { return impl_->stage_;}
-stage& video_channel::stage() { return impl_->stage_;}
-const mixer& video_channel::mixer() const{ return impl_->mixer_;}
-mixer& video_channel::mixer() { return impl_->mixer_;}
-const output& video_channel::output() const { return impl_->output_;}
-output& video_channel::output() { return impl_->output_;}
-spl::shared_ptr<frame_factory> video_channel::frame_factory() { return impl_->image_mixer_;}
+const stage& video_channel::stage() const { return impl_->stage_;}
+stage& video_channel::stage() { return impl_->stage_;}
+const mixer& video_channel::mixer() const{ return impl_->mixer_;}
+mixer& video_channel::mixer() { return impl_->mixer_;}
+const output& video_channel::output() const { return impl_->output_;}
+output& video_channel::output() { return impl_->output_;}
+spl::shared_ptr<frame_factory> video_channel::frame_factory() { return impl_->image_mixer_;}
core::video_format_desc video_channel::video_format_desc() const{return impl_->video_format_desc();}
void core::video_channel::video_format_desc(const core::video_format_desc& format_desc){impl_->video_format_desc(format_desc);}
-boost::property_tree::wptree video_channel::info() const{return impl_->info();}
-monitor::subject& video_channel::monitor_output(){return *impl_->monitor_subject_;}
+core::audio_channel_layout video_channel::audio_channel_layout() const { return impl_->audio_channel_layout(); }
+void core::video_channel::audio_channel_layout(const core::audio_channel_layout& channel_layout) { impl_->audio_channel_layout(channel_layout); }
+boost::property_tree::wptree video_channel::info() const{return impl_->info();}
+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)); }
-}}
\ No newline at end of file
+}}
projects / casparcg / blobdiff