+/*\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
#include "frame_producer.h"\r
\r
-#include "../video_format.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/recursive_mutex.h>\r
+#include "../producer/frame/basic_frame.h"\r
+#include "../producer/frame/audio_transform.h"\r
\r
namespace caspar { namespace core {\r
-\r
-class frame_producer_remover\r
-{\r
- executor executor_;\r
- tbb::atomic<int> count_;\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) << L"async_remover[" + boost::lexical_cast<std::wstring>(--count_) + L"] Removed: " << name << L".";\r
- }\r
-public:\r
-\r
- frame_producer_remover()\r
- {\r
- executor_.start();\r
- count_ = 0;\r
- }\r
-\r
- void remove(safe_ptr<frame_producer>&& producer)\r
- {\r
- CASPAR_ASSERT(producer.unique());\r
- CASPAR_LOG(info) << L"async_remover[" + boost::lexical_cast<std::wstring>(++count_) + L"] Removing: " << producer->print() << L".";\r
- executor_.begin_invoke(std::bind(&frame_producer_remover::do_remove, this, std::move(producer)));\r
- }\r
-};\r
-\r
-frame_producer_remover g_remover;\r
-\r
-struct layer::implementation : boost::noncopyable\r
+ \r
+struct layer::implementation\r
{ \r
- tbb::recursive_mutex mutex_;\r
- printer parent_printer_;\r
- tbb::atomic<int> index_;\r
-\r
safe_ptr<frame_producer> foreground_;\r
safe_ptr<frame_producer> background_;\r
- safe_ptr<draw_frame> last_frame_;\r
+ safe_ptr<basic_frame> last_frame_;\r
bool is_paused_;\r
public:\r
- implementation(int index, const printer& parent_printer) \r
- : parent_printer_(parent_printer)\r
- , foreground_(frame_producer::empty())\r
+ implementation() \r
+ : foreground_(frame_producer::empty())\r
, background_(frame_producer::empty())\r
- , last_frame_(draw_frame::empty())\r
- , is_paused_(false)\r
- {\r
- index_ = index;\r
- }\r
+ , last_frame_(basic_frame::empty())\r
+ , is_paused_(false){}\r
\r
- void load(const safe_ptr<frame_producer>& frame_producer, bool play_on_load)\r
- { \r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\r
-\r
- background_ = frame_producer;\r
- is_paused_ = false;\r
- if(play_on_load)\r
- play(); \r
- }\r
+ void pause(){is_paused_ = true;}\r
+ void resume(){is_paused_ = false;}\r
\r
- void preview(const safe_ptr<frame_producer>& frame_producer)\r
- {\r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\r
+ void load(const safe_ptr<frame_producer>& producer, bool preview)\r
+ { \r
+ background_ = producer;\r
\r
- load(frame_producer, true);\r
- receive();\r
- pause();\r
+ if(preview) \r
+ {\r
+ // Play the first frame and pause.\r
+ play();\r
+ receive();\r
+ pause();\r
+ }\r
}\r
\r
void play()\r
- { \r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\r
- \r
- if(!is_paused_) \r
+ { \r
+ if(background_ != frame_producer::empty())\r
{\r
background_->set_leading_producer(foreground_);\r
foreground_ = background_;\r
- CASPAR_LOG(info) << foreground_->print() << L" Started.";\r
background_ = frame_producer::empty();\r
}\r
- is_paused_ = false;\r
+ resume();\r
}\r
-\r
- void pause()\r
- {\r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\r
-\r
- is_paused_ = true;\r
- }\r
-\r
+ \r
void stop()\r
{\r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\r
-\r
pause();\r
- last_frame_ = draw_frame::empty();\r
+ last_frame_ = basic_frame::empty();\r
foreground_ = frame_producer::empty();\r
}\r
-\r
- void clear()\r
- {\r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\r
\r
- foreground_ = frame_producer::empty();\r
- background_ = frame_producer::empty();\r
- last_frame_ = draw_frame::empty();\r
- is_paused_ = false;\r
- }\r
- \r
- safe_ptr<draw_frame> receive()\r
+ safe_ptr<basic_frame> receive()\r
{ \r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\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
- CASPAR_ASSERT(foreground_ != frame_producer::empty());\r
-\r
- auto following = foreground_->get_following_producer();\r
- following->set_leading_producer(foreground_);\r
- g_remover.remove(std::move(foreground_));\r
- foreground_ = following;\r
- CASPAR_LOG(info) << foreground_->print() << L" Started.";\r
-\r
- last_frame_ = receive();\r
- }\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG(error) << print() << L"Unhandled Exception: ";\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- stop();\r
- }\r
+ if(is_paused_) \r
+ last_frame_->get_audio_transform().set_has_audio(false); \r
+ else\r
+ last_frame_ = receive_and_follow(foreground_);\r
\r
return last_frame_;\r
}\r
- \r
- void swap(implementation& other)\r
- {\r
- tbb::recursive_mutex::scoped_lock lock(mutex_);\r
- std::swap(foreground_, other.foreground_);\r
- std::swap(background_, other.background_);\r
- std::swap(last_frame_, other.last_frame_);\r
- std::swap(is_paused_, other.is_paused_);\r
- }\r
- \r
- std::wstring print() const\r
- {\r
- return (parent_printer_ ? parent_printer_() + L"/" : L"") + L"layer[" + boost::lexical_cast<std::wstring>(index_) + L"]";\r
- }\r
};\r
\r
-layer::layer(int index, const printer& parent_printer) : impl_(new implementation(index, parent_printer)){}\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
-void layer::swap(layer& other)\r
+layer::layer(const layer& other) : impl_(new implementation(*other.impl_)){}\r
+layer& layer::operator=(const layer& other)\r
{\r
- impl_->swap(*other.impl_);\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 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(const safe_ptr<frame_producer>& frame_producer, bool preview){return impl_->load(frame_producer, preview);} \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<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
-std::wstring layer::print() const { return impl_->print();}\r
}}
\ No newline at end of file
projects / casparcg / blobdiff