-/*\r
-* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
-*\r
-* This file is part of CasparCG (www.casparcg.com).\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
-* Author: Robert Nagy, ronag89@gmail.com\r
-*/\r
-\r
-#include "../StdAfx.h"\r
-\r
-#include "mixer.h"\r
-\r
-#include "read_frame.h"\r
-#include "write_frame.h"\r
-\r
-#include "audio/audio_mixer.h"\r
-#include "image/image_mixer.h"\r
-\r
-#include <common/env.h>\r
-#include <common/concurrency/executor.h>\r
-#include <common/diagnostics/graph.h>\r
-#include <common/exception/exceptions.h>\r
-#include <common/gl/gl_check.h>\r
-#include <common/utility/tweener.h>\r
-\r
-#include <core/mixer/read_frame.h>\r
-#include <core/mixer/write_frame.h>\r
-#include <core/producer/frame/basic_frame.h>\r
-#include <core/producer/frame/frame_factory.h>\r
-#include <core/producer/frame/frame_transform.h>\r
-#include <core/producer/frame/pixel_format.h>\r
-#include <core/video_format.h>\r
-\r
-#include <boost/foreach.hpp>\r
-#include <boost/timer.hpp>\r
-#include <boost/property_tree/ptree.hpp>\r
-#include <boost/range/algorithm_ext.hpp>\r
-\r
-#include <tbb/concurrent_queue.h>\r
-#include <tbb/spin_mutex.h>\r
-\r
-#include <unordered_map>\r
-#include <vector>\r
-\r
-namespace caspar { namespace core {\r
- \r
-struct mixer::impl : boost::noncopyable\r
-{ \r
- safe_ptr<mixer::target_t> target_;\r
-\r
- safe_ptr<diagnostics::graph> graph_;\r
- boost::timer mix_timer_; \r
-\r
- video_format_desc format_desc_;\r
- safe_ptr<ogl_device> ogl_;\r
- \r
- audio_mixer audio_mixer_;\r
- image_mixer image_mixer_;\r
- \r
- std::unordered_map<int, blend_mode> blend_modes_;\r
- \r
- executor executor_;\r
-\r
-public:\r
- impl(const safe_ptr<mixer::target_t>& target, const safe_ptr<diagnostics::graph>& graph, const video_format_desc& format_desc, const safe_ptr<ogl_device>& ogl) \r
- : target_(target)\r
- , graph_(graph)\r
- , format_desc_(format_desc)\r
- , ogl_(ogl)\r
- , image_mixer_(ogl)\r
- , audio_mixer_(graph_)\r
- , executor_(L"mixer")\r
- { \r
- graph_->set_color("mix-time", diagnostics::color(1.0f, 0.0f, 0.9f, 0.8));\r
- }\r
- \r
- void send(const std::pair<std::map<int, safe_ptr<core::basic_frame>>, std::shared_ptr<void>>& packet)\r
- { \r
- executor_.begin_invoke([=]\r
- { \r
- try\r
- {\r
- mix_timer_.restart();\r
-\r
- auto frames = packet.first;\r
- \r
- BOOST_FOREACH(auto& frame, frames)\r
- {\r
- auto blend_it = blend_modes_.find(frame.first);\r
- image_mixer_.begin_layer(blend_it != blend_modes_.end() ? blend_it->second : blend_mode::normal);\r
- \r
- frame.second->accept(audio_mixer_); \r
- frame.second->accept(image_mixer_);\r
-\r
- image_mixer_.end_layer();\r
- }\r
-\r
- auto image = image_mixer_(format_desc_);\r
- auto audio = audio_mixer_(format_desc_);\r
-\r
- graph_->set_value("mix-time", mix_timer_.elapsed()*format_desc_.fps*0.5);\r
- \r
- target_->send(std::make_pair(make_safe<read_frame>(format_desc_.width, format_desc_.height, std::move(image), std::move(audio)), packet.second)); \r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- } \r
- }); \r
- }\r
- \r
- void set_blend_mode(int index, blend_mode value)\r
- {\r
- executor_.begin_invoke([=]\r
- {\r
- auto it = blend_modes_.find(index);\r
- if(it == blend_modes_.end())\r
- blend_modes_.insert(std::make_pair(index, value));\r
- else\r
- it->second = value;\r
- }, high_priority);\r
- }\r
- \r
- void set_video_format_desc(const video_format_desc& format_desc)\r
- {\r
- executor_.begin_invoke([=]\r
- {\r
- format_desc_ = format_desc;\r
- });\r
- }\r
-\r
- boost::unique_future<boost::property_tree::wptree> info() const\r
- {\r
- boost::promise<boost::property_tree::wptree> info;\r
- info.set_value(boost::property_tree::wptree());\r
- return info.get_future();\r
- }\r
-};\r
- \r
-mixer::mixer(const safe_ptr<target_t>& target, const safe_ptr<diagnostics::graph>& graph, const video_format_desc& format_desc, const safe_ptr<ogl_device>& ogl) \r
- : impl_(new impl(target, graph, format_desc, ogl)){}\r
-void mixer::send(const std::pair<std::map<int, safe_ptr<core::basic_frame>>, std::shared_ptr<void>>& frames){ impl_->send(frames);}\r
-void mixer::set_blend_mode(int index, blend_mode value){impl_->set_blend_mode(index, value);}\r
-void mixer::set_video_format_desc(const video_format_desc& format_desc){impl_->set_video_format_desc(format_desc);}\r
-boost::unique_future<boost::property_tree::wptree> mixer::info() const{return impl_->info();}\r
-}}
\ No newline at end of file
+/*
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
+*
+* This file is part of CasparCG (www.casparcg.com).
+*
+* CasparCG is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* CasparCG is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
+*
+* Author: Robert Nagy, ronag89@gmail.com
+*/
+
+#include "../StdAfx.h"
+
+#include "mixer.h"
+
+#include "../frame/frame.h"
+
+#include "audio/audio_mixer.h"
+#include "image/image_mixer.h"
+
+#include <common/env.h>
+#include <common/executor.h>
+#include <common/diagnostics/graph.h>
+#include <common/except.h>
+#include <common/future.h>
+#include <common/timer.h>
+
+#include <core/frame/draw_frame.h>
+#include <core/frame/frame_factory.h>
+#include <core/frame/frame_transform.h>
+#include <core/frame/pixel_format.h>
+#include <core/frame/audio_channel_layout.h>
+#include <core/video_format.h>
+
+#include <boost/property_tree/ptree.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include <tbb/concurrent_queue.h>
+#include <tbb/spin_mutex.h>
+#include <tbb/atomic.h>
+
+#include <unordered_map>
+#include <vector>
+
+namespace caspar { namespace core {
+
+struct mixer::impl : boost::noncopyable
+{
+ int channel_index_;
+ spl::shared_ptr<diagnostics::graph> graph_;
+ tbb::atomic<int64_t> current_mix_time_;
+ spl::shared_ptr<monitor::subject> monitor_subject_ = spl::make_shared<monitor::subject>("/mixer");
+ audio_mixer audio_mixer_ { graph_ };
+ spl::shared_ptr<image_mixer> image_mixer_;
+
+ bool straighten_alpha_ = false;
+
+ executor executor_ { L"mixer " + boost::lexical_cast<std::wstring>(channel_index_) };
+
+public:
+ impl(int channel_index, spl::shared_ptr<diagnostics::graph> graph, spl::shared_ptr<image_mixer> image_mixer)
+ : channel_index_(channel_index)
+ , graph_(std::move(graph))
+ , image_mixer_(std::move(image_mixer))
+ {
+ graph_->set_color("mix-time", diagnostics::color(1.0f, 0.0f, 0.9f, 0.8f));
+ current_mix_time_ = 0;
+ audio_mixer_.monitor_output().attach_parent(monitor_subject_);
+ }
+
+ const_frame operator()(std::map<int, draw_frame> frames, const video_format_desc& format_desc, const core::audio_channel_layout& channel_layout)
+ {
+ caspar::timer frame_timer;
+
+ auto frame = executor_.invoke([=]() mutable -> const_frame
+ {
+ try
+ {
+ CASPAR_SCOPED_CONTEXT_MSG(L" '" + executor_.name() + L"' ");
+
+ detail::set_current_aspect_ratio(
+ static_cast<double>(format_desc.square_width)
+ / static_cast<double>(format_desc.square_height));
+
+ for (auto& frame : frames)
+ {
+ frame.second.accept(audio_mixer_);
+ frame.second.transform().image_transform.layer_depth = 1;
+ frame.second.accept(*image_mixer_);
+ }
+
+ auto image = (*image_mixer_)(format_desc, straighten_alpha_);
+ auto audio = audio_mixer_(format_desc, channel_layout);
+
+ auto desc = core::pixel_format_desc(core::pixel_format::bgra);
+ desc.planes.push_back(core::pixel_format_desc::plane(format_desc.width, format_desc.height, 4));
+ return const_frame(std::move(image), std::move(audio), this, desc, channel_layout);
+ }
+ catch(...)
+ {
+ CASPAR_LOG_CURRENT_EXCEPTION();
+ return const_frame::empty();
+ }
+ });
+
+ auto mix_time = frame_timer.elapsed();
+ graph_->set_value("mix-time", mix_time * format_desc.fps * 0.5);
+ current_mix_time_ = static_cast<int64_t>(mix_time * 1000.0);
+
+ return frame;
+ }
+
+ void set_master_volume(float volume)
+ {
+ executor_.begin_invoke([=]
+ {
+ audio_mixer_.set_master_volume(volume);
+ }, task_priority::high_priority);
+ }
+
+ float get_master_volume()
+ {
+ return executor_.invoke([=]
+ {
+ return audio_mixer_.get_master_volume();
+ }, task_priority::high_priority);
+ }
+
+ void set_straight_alpha_output(bool value)
+ {
+ executor_.begin_invoke([=]
+ {
+ straighten_alpha_ = value;
+ }, task_priority::high_priority);
+ }
+
+ bool get_straight_alpha_output()
+ {
+ return executor_.invoke([=]
+ {
+ return straighten_alpha_;
+ }, task_priority::high_priority);
+ }
+
+ std::future<boost::property_tree::wptree> info() const
+ {
+ boost::property_tree::wptree info;
+ info.add(L"mix-time", current_mix_time_);
+
+ return make_ready_future(std::move(info));
+ }
+
+ std::future<boost::property_tree::wptree> delay_info() const
+ {
+ boost::property_tree::wptree info;
+ info.put_value(current_mix_time_);
+
+ return make_ready_future(std::move(info));
+ }
+};
+
+mixer::mixer(int channel_index, spl::shared_ptr<diagnostics::graph> graph, spl::shared_ptr<image_mixer> image_mixer)
+ : impl_(new impl(channel_index, std::move(graph), std::move(image_mixer))){}
+void mixer::set_master_volume(float volume) { impl_->set_master_volume(volume); }
+float mixer::get_master_volume() { return impl_->get_master_volume(); }
+void mixer::set_straight_alpha_output(bool value) { impl_->set_straight_alpha_output(value); }
+bool mixer::get_straight_alpha_output() { return impl_->get_straight_alpha_output(); }
+std::future<boost::property_tree::wptree> mixer::info() const{return impl_->info();}
+std::future<boost::property_tree::wptree> mixer::delay_info() const{ return impl_->delay_info(); }
+const_frame mixer::operator()(std::map<int, draw_frame> frames, const video_format_desc& format_desc, const core::audio_channel_layout& channel_layout){ return (*impl_)(std::move(frames), format_desc, channel_layout); }
+mutable_frame mixer::create_frame(const void* tag, const core::pixel_format_desc& desc, const core::audio_channel_layout& channel_layout) {return impl_->image_mixer_->create_frame(tag, desc, channel_layout);}
+monitor::subject& mixer::monitor_output() { return *impl_->monitor_subject_; }
+}}
projects / casparcg / blobdiff