]> git.sesse.net Git - casparcg/blobdiff - core/producer/layer.cpp
#40 Fixed problem with LOAD command not working
[casparcg] / core / producer / layer.cpp
index 0051ef3443e49dc2d2aecc4212aa45716dc2e0a3..76473cc4eada0f3010e69cbb4d4ad0f7b4a6397a 100644 (file)
-/*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
-*\r
-*  This file is part of CasparCG.\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
-*/\r
-\r
-#include "../stdafx.h"\r
-\r
-#include "layer.h"\r
-\r
-#include "frame_producer.h"\r
-#include "frame/basic_frame.h"\r
-\r
-namespace caspar { namespace core {\r
-       \r
-struct layer::implementation\r
-{                              \r
-       safe_ptr<frame_producer>        foreground_;\r
-       safe_ptr<frame_producer>        background_;\r
-       int64_t                                         frame_number_;\r
-       int                                                     auto_play_delta_;\r
-       bool                                            is_paused_;\r
-\r
-public:\r
-       implementation() \r
-               : foreground_(frame_producer::empty())\r
-               , background_(frame_producer::empty())\r
-               , frame_number_(0)\r
-               , auto_play_delta_(-1)\r
-               , is_paused_(false)\r
-       {\r
-       }\r
-       \r
-       void pause()\r
-       {\r
-               is_paused_ = true;\r
-       }\r
-\r
-       void resume()\r
-       {\r
-               is_paused_ = false;\r
-       }\r
-\r
-       void load(const safe_ptr<frame_producer>& producer, bool preview, int auto_play_delta)\r
-       {               \r
-               background_              = producer;\r
-               auto_play_delta_ = auto_play_delta;\r
-\r
-               if(preview) // Play the first frame and pause.\r
-               {                       \r
-                       play();\r
-                       receive();\r
-                       pause();\r
-               }\r
-       }\r
-       \r
-       void play()\r
-       {                       \r
-               if(background_ != frame_producer::empty())\r
-               {\r
-                       background_->set_leading_producer(foreground_);\r
-                       \r
-                       foreground_                     = background_;\r
-                       background_                     = frame_producer::empty();\r
-                       frame_number_           = 0;\r
-                       auto_play_delta_        = -1;   \r
-               }\r
-\r
-               is_paused_                      = false;\r
-       }\r
-       \r
-       void stop()\r
-       {\r
-               foreground_                     = frame_producer::empty();\r
-               background_                     = background_;\r
-               frame_number_           = 0;\r
-               auto_play_delta_        = -1;\r
-\r
-               is_paused_                      = true;\r
-       }\r
-               \r
-       safe_ptr<basic_frame> receive()\r
-       {               \r
-               try\r
-               {\r
-                       if(is_paused_)\r
-                               return disable_audio(foreground_->last_frame());\r
-               \r
-                       auto frame = receive_and_follow(foreground_, frame_producer::NO_HINT);\r
-                       if(frame == core::basic_frame::late())\r
-                               return foreground_->last_frame();\r
-\r
-                       auto frames_left = foreground_->nb_frames() - (++frame_number_) - auto_play_delta_;\r
-                       if(auto_play_delta_ > -1 && frames_left < 1)\r
-                       {\r
-                               play();\r
-                               return receive();\r
-                       }\r
-                               \r
-                       return frame;\r
-               }\r
-               catch(...)\r
-               {\r
-                       CASPAR_LOG_CURRENT_EXCEPTION();\r
-                       stop();\r
-                       return core::basic_frame::empty();\r
-               }\r
-       }\r
-\r
-       layer_status status() const\r
-       {\r
-               layer_status status;\r
-               status.foreground        = foreground_->print();\r
-               status.background        = background_->print();\r
-               status.is_paused         = is_paused_;\r
-               status.total_frames      = foreground_->nb_frames();\r
-               status.current_frame = frame_number_;\r
-\r
-               return status;\r
-       }\r
-\r
-       std::wstring call(bool foreground, const std::wstring& param)\r
-       {\r
-               return (foreground ? foreground_ : background_)->call(param);\r
-       }\r
-\r
-       bool empty() const\r
-       {\r
-               return background_ == core::frame_producer::empty() && foreground_ == core::frame_producer::empty();\r
-       }\r
-};\r
-\r
-layer::layer() : impl_(new implementation()){}\r
-layer::layer(layer&& other) : impl_(std::move(other.impl_)){}\r
-layer& layer::operator=(layer&& other)\r
-{\r
-       impl_ = std::move(other.impl_);\r
-       return *this;\r
-}\r
-layer::layer(const layer& other) : impl_(new implementation(*other.impl_)){}\r
-layer& layer::operator=(const layer& other)\r
-{\r
-       layer temp(other);\r
-       temp.swap(*this);\r
-       return *this;\r
-}\r
-void layer::swap(layer& other)\r
-{      \r
-       impl_.swap(other.impl_);\r
-}\r
-void layer::load(const safe_ptr<frame_producer>& frame_producer, bool preview, int auto_play_delta){return impl_->load(frame_producer, preview, auto_play_delta);}     \r
-void layer::play(){impl_->play();}\r
-void layer::pause(){impl_->pause();}\r
-void layer::stop(){impl_->stop();}\r
-bool layer::is_paused() const{return impl_->is_paused_;}\r
-int64_t layer::frame_number() const{return impl_->frame_number_;}\r
-layer_status layer::status() const {return impl_->status();}\r
-safe_ptr<basic_frame> layer::receive() {return impl_->receive();}\r
-safe_ptr<frame_producer> layer::foreground() const { return impl_->foreground_;}\r
-safe_ptr<frame_producer> layer::background() const { return impl_->background_;}\r
-bool layer::empty() const {return impl_->empty();}\r
-std::wstring layer::call(bool foreground, const std::wstring& param){return impl_->call(foreground, param);}\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 "layer.h"
+
+#include "frame_producer.h"
+
+#include "../video_format.h"
+#include "../frame/draw_frame.h"
+#include "../frame/frame_transform.h"
+
+#include <boost/optional.hpp>
+#include <boost/thread/future.hpp>
+
+namespace caspar { namespace core {
+
+struct layer::impl
+{                              
+       spl::shared_ptr<monitor::subject>       monitor_subject_;
+       spl::shared_ptr<frame_producer>         foreground_                     = frame_producer::empty();
+       spl::shared_ptr<frame_producer>         background_                     = frame_producer::empty();;
+       boost::optional<int32_t>                        auto_play_delta_;
+       bool                                                            is_paused_                      = false;
+       int64_t                                                         current_frame_age_      = 0;
+
+public:
+       impl(int index) 
+               : monitor_subject_(spl::make_shared<monitor::subject>(
+                               "/layer/" + boost::lexical_cast<std::string>(index)))
+//             , foreground_event_subject_("")
+//             , background_event_subject_("background")
+       {
+//             foreground_event_subject_.subscribe(event_subject_);
+//             background_event_subject_.subscribe(event_subject_);
+       }
+
+       void set_foreground(spl::shared_ptr<frame_producer> producer)
+       {
+               foreground_->monitor_output().detach_parent();
+               foreground_ = std::move(producer);
+               foreground_->monitor_output().attach_parent(monitor_subject_);
+       }
+
+       void pause()
+       {
+               foreground_->paused(true);
+               is_paused_ = true;
+       }
+
+       void resume()
+       {
+               foreground_->paused(false);
+               is_paused_ = false;
+       }
+
+       void load(spl::shared_ptr<frame_producer> producer, bool preview, const boost::optional<int32_t>& auto_play_delta)
+       {               
+//             background_->unsubscribe(background_event_subject_);
+               background_ = std::move(producer);
+//             background_->subscribe(background_event_subject_);
+
+               auto_play_delta_ = auto_play_delta;
+
+               if(preview)
+               {
+                       play();
+                       receive(video_format::invalid);
+                       foreground_->paused(true);
+                       is_paused_ = true;
+               }
+
+               if(auto_play_delta_ && foreground_ == frame_producer::empty())
+                       play();
+       }
+       
+       void play()
+       {                       
+               if(background_ != frame_producer::empty())
+               {
+                       background_->leading_producer(foreground_);
+
+                       set_foreground(background_);
+                       background_ = std::move(frame_producer::empty());
+
+                       auto_play_delta_.reset();
+               }
+
+               foreground_->paused(false);
+               is_paused_ = false;
+       }
+       
+       void stop()
+       {
+               set_foreground(frame_producer::empty());
+
+               auto_play_delta_.reset();
+       }
+               
+       draw_frame receive(const video_format_desc& format_desc)
+       {               
+               try
+               {               
+                       *monitor_subject_ << monitor::message("/paused") % is_paused_;
+
+                       caspar::timer produce_timer;
+                       auto frame = foreground_->receive();
+                       auto produce_time = produce_timer.elapsed();
+
+                       *monitor_subject_ << monitor::message("/profiler/time") % produce_time % (1.0 / format_desc.fps);
+                       
+                       if(frame == core::draw_frame::late())
+                               return foreground_->last_frame();
+                                               
+                       if(auto_play_delta_)
+                       {
+                               auto frames_left = static_cast<int64_t>(foreground_->nb_frames()) - foreground_->frame_number() - static_cast<int64_t>(*auto_play_delta_);
+                               if(frames_left < 1)
+                               {
+                                       play();
+                                       return receive(format_desc);
+                               }
+                       }
+
+                       //event_subject_        << monitor::event("time")       % monitor::duration(foreground_->frame_number()/format_desc.fps)
+                       //                                                                                      % monitor::duration(static_cast<int64_t>(foreground_->nb_frames()) - static_cast<int64_t>(auto_play_delta_ ? *auto_play_delta_ : 0)/format_desc.fps)
+                       //                              << monitor::event("frame")      % static_cast<int64_t>(foreground_->frame_number())
+                       //                                                                                      % static_cast<int64_t>((static_cast<int64_t>(foreground_->nb_frames()) - static_cast<int64_t>(auto_play_delta_ ? *auto_play_delta_ : 0)));
+
+                       //foreground_event_subject_ << monitor::event("type") % foreground_->name();
+                       //background_event_subject_ << monitor::event("type") % background_->name();
+
+                       current_frame_age_ = frame.get_and_record_age_millis();
+                               
+                       return frame;
+               }
+               catch(...)
+               {
+                       CASPAR_LOG_CURRENT_EXCEPTION();
+                       stop();
+                       return core::draw_frame::empty();
+               }
+       }
+       
+       boost::property_tree::wptree info() const
+       {
+               boost::property_tree::wptree info;
+               info.add(L"auto_delta", (auto_play_delta_ ? boost::lexical_cast<std::wstring>(*auto_play_delta_) : L"null"));
+               info.add(L"frame-number", foreground_->frame_number());
+
+               auto nb_frames = foreground_->nb_frames();
+
+               info.add(L"nb_frames",   nb_frames == std::numeric_limits<int64_t>::max() ? -1 : nb_frames);
+               info.add(L"frames-left", nb_frames == std::numeric_limits<int64_t>::max() ? -1 : (foreground_->nb_frames() - foreground_->frame_number() - (auto_play_delta_ ? *auto_play_delta_ : 0)));
+               info.add(L"frame-age", current_frame_age_);
+               info.add_child(L"producer", foreground_->info());
+               info.add_child(L"background.producer", background_->info());
+               return info;
+       }
+
+       boost::property_tree::wptree delay_info() const
+       {
+               boost::property_tree::wptree info;
+               info.add(L"producer", foreground_->print());
+               info.add(L"frame-age", current_frame_age_);
+               return info;
+       }
+
+       void on_interaction(const interaction_event::ptr& event)
+       {
+               foreground_->on_interaction(event);
+       }
+       
+       bool collides(double x, double y) const
+       {
+               return foreground_->collides(x, y);
+       }
+};
+
+layer::layer(int index) : impl_(new impl(index)){}
+layer::layer(layer&& other) : impl_(std::move(other.impl_)){}
+layer& layer::operator=(layer&& other)
+{
+       other.swap(*this);
+       return *this;
+}
+void layer::swap(layer& other)
+{      
+       impl_.swap(other.impl_);
+}
+void layer::load(spl::shared_ptr<frame_producer> frame_producer, bool preview, const boost::optional<int32_t>& auto_play_delta){return impl_->load(std::move(frame_producer), preview, auto_play_delta);}      
+void layer::play(){impl_->play();}
+void layer::pause(){impl_->pause();}
+void layer::resume(){impl_->resume();}
+void layer::stop(){impl_->stop();}
+draw_frame layer::receive(const video_format_desc& format_desc) {return impl_->receive(format_desc);}
+spl::shared_ptr<frame_producer> layer::foreground() const { return impl_->foreground_;}
+spl::shared_ptr<frame_producer> layer::background() const { return impl_->background_;}
+boost::property_tree::wptree layer::info() const{return impl_->info();}
+boost::property_tree::wptree layer::delay_info() const{return impl_->delay_info();}
+monitor::subject& layer::monitor_output() {return *impl_->monitor_subject_;}
+void layer::on_interaction(const interaction_event::ptr& event) { impl_->on_interaction(event); }
+bool layer::collides(double x, double y) const { return impl_->collides(x, y); }
+}}