+/*\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 "layer.h"\r
+\r
#include "frame_producer.h"\r
\r
#include "../video_format.h"\r
+#include "../frame/draw_frame.h"\r
+#include "../frame/frame_transform.h"\r
\r
-#include <common/concurrency/executor.h>\r
-#include <common/utility/assert.h>\r
-#include <common/utility/printable.h>\r
-\r
-#include <mixer/frame/draw_frame.h>\r
-#include <mixer/image/image_mixer.h>\r
-#include <mixer/audio/audio_mixer.h>\r
-#include <mixer/audio/audio_transform.h>\r
-\r
-#include <tbb/spin_mutex.h>\r
+#include <boost/optional.hpp>\r
+#include <boost/thread/future.hpp>\r
\r
namespace caspar { namespace core {\r
\r
-class frame_producer_remover\r
-{\r
- executor executor_;\r
- tbb::atomic<int> count_;\r
+struct layer::impl\r
+{ \r
+ monitor::basic_subject event_subject_;\r
+ monitor::basic_subject foreground_event_subject_;\r
+ monitor::basic_subject background_event_subject_;\r
+ spl::shared_ptr<frame_producer> foreground_;\r
+ spl::shared_ptr<frame_producer> background_;\r
+ boost::optional<int32_t> auto_play_delta_;\r
\r
- void do_remove(safe_ptr<frame_producer>& producer)\r
- {\r
- auto name = producer->print();\r
- producer = frame_producer::empty();\r
- CASPAR_LOG(info) << name << L" Removed.";\r
- }\r
public:\r
-\r
- frame_producer_remover()\r
+ impl(int index) \r
+ : event_subject_(monitor::path("layer") % index)\r
+ , foreground_event_subject_("")\r
+ , background_event_subject_("background")\r
+ , foreground_(frame_producer::empty())\r
+ , background_(frame_producer::empty())\r
{\r
- executor_.start();\r
- count_ = 0;\r
+ foreground_event_subject_.subscribe(event_subject_);\r
+ background_event_subject_.subscribe(event_subject_);\r
}\r
\r
- void remove(safe_ptr<frame_producer>&& producer)\r
+ void pause()\r
{\r
- CASPAR_ASSERT(producer.unique());\r
- executor_.begin_invoke(std::bind(&frame_producer_remover::do_remove, this, std::move(producer)));\r
+ foreground_->paused(true);\r
}\r
-};\r
-\r
-frame_producer_remover g_remover;\r
-\r
-\r
-struct layer::implementation : boost::noncopyable\r
-{ \r
- mutable tbb::spin_mutex printer_mutex_;\r
- printer parent_printer_;\r
- int index_;\r
- \r
- safe_ptr<frame_producer> foreground_;\r
- safe_ptr<frame_producer> background_;\r
- safe_ptr<draw_frame> last_frame_;\r
- bool is_paused_;\r
-public:\r
- implementation(int index, const printer& parent_printer) \r
- : parent_printer_(parent_printer)\r
- , index_(index)\r
- , foreground_(frame_producer::empty())\r
- , background_(frame_producer::empty())\r
- , last_frame_(draw_frame::empty())\r
- , is_paused_(false){}\r
\r
- void load(const safe_ptr<frame_producer>& frame_producer, bool play_on_load)\r
+ void load(spl::shared_ptr<frame_producer> producer, bool preview, const boost::optional<int32_t>& auto_play_delta)\r
{ \r
- background_ = frame_producer;\r
- is_paused_ = false;\r
- if(play_on_load)\r
- play(); \r
- }\r
+ background_->unsubscribe(background_event_subject_);\r
+ background_ = std::move(producer);\r
+ background_->subscribe(background_event_subject_);\r
\r
- void preview(const safe_ptr<frame_producer>& frame_producer)\r
- {\r
- load(frame_producer, true);\r
- receive();\r
- pause();\r
+ auto_play_delta_ = auto_play_delta;\r
+\r
+ if(preview)\r
+ {\r
+ play();\r
+ foreground_->receive();\r
+ foreground_->paused(true);\r
+ }\r
+\r
+ if(auto_play_delta_ && foreground_ == frame_producer::empty())\r
+ play();\r
}\r
\r
void play()\r
{ \r
- if(!is_paused_) \r
+ if(background_ != frame_producer::empty())\r
{\r
- background_->set_leading_producer(foreground_);\r
- foreground_ = background_;\r
- CASPAR_LOG(info) << foreground_->print() << L" Added.";\r
- background_ = frame_producer::empty();\r
+ background_->leading_producer(foreground_);\r
+\r
+ background_->unsubscribe(background_event_subject_);\r
+ foreground_->unsubscribe(foreground_event_subject_);\r
+\r
+ foreground_ = std::move(background_);\r
+ background_ = std::move(frame_producer::empty());\r
+ \r
+ foreground_->subscribe(foreground_event_subject_);\r
+\r
+ auto_play_delta_.reset();\r
}\r
- is_paused_ = false;\r
- }\r
\r
- void pause()\r
- {\r
- is_paused_ = true;\r
+ foreground_->paused(false);\r
}\r
-\r
+ \r
void stop()\r
{\r
- pause();\r
- last_frame_ = draw_frame::empty();\r
- foreground_ = frame_producer::empty();\r
- }\r
+ foreground_->unsubscribe(foreground_event_subject_);\r
\r
- void clear()\r
- { \r
- foreground_ = frame_producer::empty();\r
- background_ = frame_producer::empty();\r
- last_frame_ = draw_frame::empty();\r
- is_paused_ = false;\r
+ foreground_ = std::move(frame_producer::empty());\r
+\r
+ auto_play_delta_.reset();\r
}\r
- \r
- safe_ptr<draw_frame> receive()\r
+ \r
+ draw_frame receive(const video_format_desc& format_desc)\r
{ \r
- if(is_paused_)\r
- {\r
- last_frame_->get_audio_transform().set_gain(0.0);\r
- return last_frame_;\r
- }\r
-\r
try\r
- {\r
- last_frame_ = foreground_->receive(); \r
- if(last_frame_ == draw_frame::eof())\r
+ { \r
+ auto frame = foreground_->receive();\r
+\r
+ if(frame == core::draw_frame::late())\r
+ return foreground_->last_frame();\r
+ \r
+ if(auto_play_delta_)\r
{\r
- CASPAR_ASSERT(foreground_ != frame_producer::empty());\r
+ auto frames_left = static_cast<int64_t>(foreground_->nb_frames()) - foreground_->frame_number() - static_cast<int64_t>(*auto_play_delta_);\r
+ if(frames_left < 1)\r
+ {\r
+ play();\r
+ return receive(format_desc);\r
+ }\r
+ }\r
\r
- auto following = foreground_->get_following_producer();\r
- following->set_leading_producer(foreground_);\r
- following->set_parent_printer(boost::bind(&implementation::print, this));\r
- g_remover.remove(std::move(foreground_));\r
- foreground_ = following;\r
- CASPAR_LOG(info) << foreground_->print() << L" Added.";\r
+ event_subject_ << monitor::event("time") % monitor::duration(foreground_->frame_number()/format_desc.fps)\r
+ % monitor::duration(static_cast<int64_t>(foreground_->nb_frames()) - static_cast<int64_t>(auto_play_delta_ ? *auto_play_delta_ : 0)/format_desc.fps)\r
+ << monitor::event("frame") % static_cast<int64_t>(foreground_->frame_number())\r
+ % static_cast<int64_t>((static_cast<int64_t>(foreground_->nb_frames()) - static_cast<int64_t>(auto_play_delta_ ? *auto_play_delta_ : 0)));\r
\r
- last_frame_ = receive();\r
- }\r
+ foreground_event_subject_ << monitor::event("type") % foreground_->name();\r
+ background_event_subject_ << monitor::event("type") % background_->name();\r
+ \r
+ return frame;\r
}\r
catch(...)\r
{\r
- CASPAR_LOG(error) << print() << L" Unhandled Exception: ";\r
CASPAR_LOG_CURRENT_EXCEPTION();\r
stop();\r
+ return core::draw_frame::empty();\r
}\r
-\r
- return last_frame_;\r
}\r
- \r
- std::wstring print() const\r
+ \r
+ boost::property_tree::wptree info() const\r
{\r
- tbb::spin_mutex::scoped_lock lock(printer_mutex_);\r
- return (parent_printer_ ? parent_printer_() + L"/" : L"") + L"layer[" + boost::lexical_cast<std::wstring>(index_) + L"]";\r
+ boost::property_tree::wptree info;\r
+ info.add(L"auto_delta", (auto_play_delta_ ? boost::lexical_cast<std::wstring>(*auto_play_delta_) : L"null"));\r
+ info.add(L"frame-number", foreground_->frame_number());\r
+\r
+ auto nb_frames = foreground_->nb_frames();\r
+\r
+ info.add(L"nb_frames", nb_frames == std::numeric_limits<int64_t>::max() ? -1 : nb_frames);\r
+ 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)));\r
+ info.add_child(L"producer", foreground_->info());\r
+ info.add_child(L"background.producer", background_->info());\r
+ return info;\r
}\r
};\r
\r
-layer::layer(int index, const printer& parent_printer)\r
-{\r
- impl_ = new implementation(index, parent_printer);\r
-}\r
-layer::~layer()\r
-{\r
- if(!impl_)\r
- return;\r
-\r
- impl_->clear();\r
- delete impl_.fetch_and_store(nullptr);\r
-}\r
-layer::layer(layer&& other)\r
-{\r
- impl_ = other.impl_.fetch_and_store(nullptr);\r
-}\r
+layer::layer(int index) : impl_(new impl(index)){}\r
+layer::layer(layer&& other) : impl_(std::move(other.impl_)){}\r
layer& layer::operator=(layer&& other)\r
{\r
- impl_ = other.impl_.fetch_and_store(nullptr);\r
+ other.swap(*this);\r
return *this;\r
}\r
void layer::swap(layer& other)\r
-{\r
- impl_ = other.impl_.compare_and_swap(impl_, other.impl_);\r
- tbb::spin_mutex::scoped_lock lock(other.impl_->printer_mutex_);\r
- std::swap(impl_->index_, other.impl_->index_);\r
- std::swap(impl_->parent_printer_, other.impl_->parent_printer_);\r
+{ \r
+ impl_.swap(other.impl_);\r
}\r
-void layer::load(const safe_ptr<frame_producer>& frame_producer, bool play_on_load){return impl_->load(frame_producer, play_on_load);} \r
-void layer::preview(const safe_ptr<frame_producer>& frame_producer){return impl_->preview(frame_producer);} \r
+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);} \r
void layer::play(){impl_->play();}\r
void layer::pause(){impl_->pause();}\r
void layer::stop(){impl_->stop();}\r
-void layer::clear(){impl_->clear();}\r
-safe_ptr<draw_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
-std::wstring layer::print() const { return impl_->print();}\r
+draw_frame layer::receive(const video_format_desc& format_desc) {return impl_->receive(format_desc);}\r
+spl::shared_ptr<frame_producer> layer::foreground() const { return impl_->foreground_;}\r
+spl::shared_ptr<frame_producer> layer::background() const { return impl_->background_;}\r
+boost::property_tree::wptree layer::info() const{return impl_->info();}\r
+void layer::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.subscribe(o);}\r
+void layer::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.unsubscribe(o);}\r
}}
\ No newline at end of file
projects / casparcg / blobdiff