+/*\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 "../processor/draw_frame.h"\r
-#include "../producer/frame_producer.h"\r
+#include "frame_producer.h"\r
+#include "frame/basic_frame.h"\r
+#include "frame/frame_transform.h"\r
\r
-#include "../format/video_format.h"\r
+#include <boost/optional.hpp>\r
+#include <boost/property_tree/ptree.hpp>\r
\r
namespace caspar { namespace core {\r
\r
-struct layer::implementation\r
-{ \r
- implementation(size_t index) : foreground_(frame_producer::empty()), background_(frame_producer::empty()), last_frame_(draw_frame::empty()), index_(index) {}\r
- \r
- void load(const safe_ptr<frame_producer>& frame_producer, load_option::type option)\r
- { \r
- background_ = frame_producer;\r
- if(option == load_option::preview) \r
- {\r
- foreground_ = frame_producer::empty(); \r
- last_frame_ = frame_producer->receive();\r
- }\r
- else if(option == load_option::auto_play)\r
- play(); \r
+struct layer::impl\r
+{ \r
+ safe_ptr<frame_producer> foreground_;\r
+ safe_ptr<frame_producer> background_;\r
+ int64_t frame_number_;\r
+ boost::optional<int32_t> auto_play_delta_;\r
+ bool is_paused_;\r
+\r
+public:\r
+ impl() \r
+ : foreground_(frame_producer::empty())\r
+ , background_(frame_producer::empty())\r
+ , frame_number_(0)\r
+ , is_paused_(false)\r
+ {\r
}\r
\r
- void play()\r
- { \r
- background_->set_leading_producer(foreground_);\r
- foreground_ = background_;\r
- background_ = frame_producer::empty();\r
- is_paused_ = false;\r
- CASPAR_LOG(info) << L"layer[" << index_ << L"] Started: " << foreground_->print();\r
- }\r
-\r
void pause()\r
{\r
is_paused_ = true;\r
}\r
\r
- void stop()\r
+ void resume()\r
{\r
- foreground_ = frame_producer::empty();\r
- last_frame_ = draw_frame::empty();\r
+ is_paused_ = false;\r
}\r
\r
- void clear()\r
- {\r
- foreground_ = frame_producer::empty();\r
- background_ = frame_producer::empty();\r
- last_frame_ = draw_frame::empty();\r
+ void load(const safe_ptr<frame_producer>& producer, bool preview, const boost::optional<int32_t>& auto_play_delta)\r
+ { \r
+ background_ = producer;\r
+ auto_play_delta_ = auto_play_delta;\r
+\r
+ if(auto_play_delta_ && foreground_ == frame_producer::empty())\r
+ play();\r
+\r
+ if(preview) // Play the first frame and pause.\r
+ { \r
+ play();\r
+ receive(frame_producer::NO_FLAG);\r
+ pause();\r
+ }\r
}\r
\r
- safe_ptr<draw_frame> receive()\r
- { \r
- if(foreground_ == frame_producer::empty() || is_paused_)\r
- return last_frame_;\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_ = nullptr; \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_ = nullptr; \r
+\r
+ is_paused_ = true;\r
+ }\r
+ \r
+ safe_ptr<basic_frame> receive(int flags)\r
+ { \r
try\r
{\r
- last_frame_ = foreground_->receive();\r
+ if(is_paused_)\r
+ return disable_audio(foreground_->last_frame());\r
+ \r
+ auto frame = receive_and_follow(foreground_, flags);\r
+ if(frame == core::basic_frame::late())\r
+ return disable_audio(foreground_->last_frame());\r
\r
- if(last_frame_ == draw_frame::eof())\r
+ if(auto_play_delta_)\r
{\r
- CASPAR_LOG(info) << L"layer[" << index_ << L"] Ended:" << foreground_->print();\r
- auto following = foreground_->get_following_producer();\r
- following->set_leading_producer(foreground_);\r
- foreground_ = following;\r
- if(foreground_ != frame_producer::empty())\r
- CASPAR_LOG(info) << L"layer[" << index_ << L"] Started:" << foreground_->print();\r
- last_frame_ = receive();\r
+ auto frames_left = static_cast<int64_t>(foreground_->nb_frames()) - static_cast<int64_t>(++frame_number_) - static_cast<int64_t>(*auto_play_delta_);\r
+ if(frames_left < 1)\r
+ {\r
+ play();\r
+ return receive(flags);\r
+ }\r
}\r
+ \r
+ return frame;\r
}\r
catch(...)\r
{\r
- try\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- CASPAR_LOG(warning) << L"layer[" << index_ << L"] Error. Removed " << foreground_->print() << L" from layer.";\r
- foreground_ = frame_producer::empty();\r
- last_frame_ = draw_frame::empty();\r
- }\r
- catch(...){}\r
+ CASPAR_LOG_CURRENT_EXCEPTION();\r
+ stop();\r
+ return core::basic_frame::empty();\r
}\r
+ }\r
\r
- return last_frame_;\r
- } \r
- \r
- tbb::atomic<bool> is_paused_;\r
- safe_ptr<draw_frame> last_frame_;\r
- safe_ptr<frame_producer> foreground_;\r
- safe_ptr<frame_producer> background_;\r
- size_t index_;\r
+ boost::unique_future<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
+ boost::property_tree::wptree info() const\r
+ {\r
+ boost::property_tree::wptree info;\r
+ info.add(L"status", is_paused_ ? L"paused" : (foreground_ == frame_producer::empty() ? L"stopped" : L"playing"));\r
+ info.add(L"auto_delta", auto_play_delta_);\r
+ info.add(L"frame-number", 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() - frame_number_ - auto_play_delta_));\r
+ info.add_child(L"foreground.producer", foreground_->info());\r
+ info.add_child(L"background.producer", background_->info());\r
+ return info;\r
+ }\r
};\r
\r
-layer::layer(size_t index) : impl_(new implementation(index)){}\r
-layer::layer(layer&& other) : impl_(std::move(other.impl_)){other.impl_ = nullptr;}\r
+layer::layer() : impl_(new impl()){}\r
+layer::layer(layer&& other) : impl_(std::move(other.impl_)){}\r
layer& layer::operator=(layer&& other)\r
{\r
- impl_ = std::move(other.impl_); \r
- other.impl_ = nullptr;\r
+ impl_ = std::move(other.impl_);\r
+ return *this;\r
+}\r
+layer::layer(const layer& other) : impl_(new impl(*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::load(const safe_ptr<frame_producer>& frame_producer, load_option::type option){return impl_->load(frame_producer, option);} \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, const boost::optional<int32_t>& 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
-void layer::clear(){impl_->clear();}\r
-bool layer::empty() const { return impl_->foreground_ == frame_producer::empty() && impl_->background_ == frame_producer::empty();}\r
-safe_ptr<draw_frame> layer::receive() {return impl_->receive();}\r
+bool layer::is_paused() const{return impl_->is_paused_;}\r
+int64_t layer::frame_number() const{return impl_->frame_number_;}\r
+safe_ptr<basic_frame> layer::receive(int flags) {return impl_->receive(flags);}\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
+boost::unique_future<std::wstring> layer::call(bool foreground, const std::wstring& param){return impl_->call(foreground, param);}\r
+boost::property_tree::wptree layer::info() const{return impl_->info();}\r
}}
\ No newline at end of file
projects / casparcg / blobdiff