#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
-#include "../producer/frame_producer.h"\r
-\r
-#include "../video_format.h"\r
\r
-#include <common/utility/assert.h>\r
+#include <tbb/spin_mutex.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) << name << L" Removed.";\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
+ 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
+\r
struct layer::implementation : boost::noncopyable\r
-{ \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
-\r
public:\r
- implementation() \r
- : foreground_(frame_producer::empty())\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
- { \r
+ { \r
background_ = frame_producer;\r
+ is_paused_ = false;\r
if(play_on_load)\r
- play(); \r
+ play(); \r
}\r
\r
void preview(const safe_ptr<frame_producer>& frame_producer)\r
{\r
- stop();\r
- foreground_ = frame_producer;\r
- background_ = frame_producer::empty();\r
- try\r
- {\r
- last_frame_ = frame_producer->receive();\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- clear();\r
- }\r
+ load(frame_producer, true);\r
+ receive();\r
+ pause();\r
}\r
\r
void play()\r
{ \r
- if(is_paused_) \r
- is_paused_ = false;\r
- else\r
+ if(!is_paused_) \r
{\r
background_->set_leading_producer(foreground_);\r
foreground_ = background_;\r
+ CASPAR_LOG(info) << foreground_->print() << L" Added.";\r
background_ = frame_producer::empty();\r
}\r
+ is_paused_ = false;\r
}\r
\r
void pause()\r
}\r
\r
void clear()\r
- {\r
- stop();\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
\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
\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
\r
return last_frame_;\r
}\r
+ \r
+ std::wstring print() 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
+ }\r
};\r
\r
-layer::layer() \r
+layer::layer(int index, const printer& parent_printer)\r
{\r
- impl_ = new implementation();\r
-}\r
-layer::layer(layer&& other) \r
-{\r
- impl_ = other.impl_.compare_and_swap(nullptr, other.impl_);\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::operator=(layer&& other)\r
{\r
- impl_ = other.impl_.compare_and_swap(nullptr, other.impl_);\r
+ impl_ = other.impl_.fetch_and_store(nullptr);\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
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
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
}}
\ No newline at end of file
projects / casparcg / blobdiff