\r
#include "transition_producer.h"\r
\r
-#include "../../format/video_format.h"\r
-#include "../../processor/frame.h"\r
-#include "../../processor/composite_frame.h"\r
-#include "../../processor/frame_processor_device.h"\r
+#include <core/video_format.h>\r
\r
-#include "../../producer/frame_producer_device.h"\r
+#include <core/producer/frame/basic_frame.h>\r
+#include <core/producer/frame/frame_transform.h>\r
\r
-#include <boost/range/algorithm/copy.hpp>\r
+#include <tbb/parallel_invoke.h>\r
+\r
+#include <boost/assign.hpp>\r
+\r
+using namespace boost::assign;\r
\r
namespace caspar { namespace core { \r
\r
-struct transition_producer::implementation : boost::noncopyable\r
-{\r
- implementation(const frame_producer_ptr& dest, const transition_info& info) \r
- : current_frame_(0), info_(info), dest_producer_(dest)\r
- {\r
- if(!dest)\r
- BOOST_THROW_EXCEPTION(null_argument() << arg_name_info("dest"));\r
- }\r
+struct transition_producer : public frame_producer\r
+{ \r
+ const field_mode::type mode_;\r
+ unsigned int current_frame_;\r
+ \r
+ const transition_info info_;\r
+ \r
+ safe_ptr<frame_producer> dest_producer_;\r
+ safe_ptr<frame_producer> source_producer_;\r
+\r
+ safe_ptr<basic_frame> last_frame_;\r
\r
- frame_producer_ptr get_following_producer() const\r
+ explicit transition_producer(const field_mode::type& mode, const safe_ptr<frame_producer>& dest, const transition_info& info) \r
+ : mode_(mode)\r
+ , current_frame_(0)\r
+ , info_(info)\r
+ , dest_producer_(dest)\r
+ , source_producer_(frame_producer::empty())\r
+ , last_frame_(basic_frame::empty()){}\r
+ \r
+ // frame_producer\r
+\r
+ virtual safe_ptr<frame_producer> get_following_producer() const\r
{\r
return dest_producer_;\r
}\r
\r
- void set_leading_producer(const frame_producer_ptr& producer)\r
+ virtual void set_leading_producer(const safe_ptr<frame_producer>& producer)\r
{\r
source_producer_ = producer;\r
}\r
- \r
- frame_ptr render_frame()\r
+\r
+ virtual safe_ptr<basic_frame> receive(int hints)\r
{\r
- if(current_frame_ == 0)\r
- CASPAR_LOG(info) << "Transition started.";\r
+ if(++current_frame_ >= info_.duration)\r
+ return basic_frame::eof();\r
+ \r
+ auto dest = basic_frame::empty();\r
+ auto source = basic_frame::empty();\r
\r
- frame_ptr result = [&]() -> frame_ptr\r
+ tbb::parallel_invoke(\r
+ [&]\r
{\r
- if(current_frame_++ >= info_.duration)\r
- return nullptr;\r
-\r
- frame_ptr source;\r
- frame_ptr dest;\r
-\r
- tbb::parallel_invoke\r
- (\r
- [&]{dest = render_frame(dest_producer_);},\r
- [&]{source = render_frame(source_producer_);}\r
- );\r
-\r
- return compose(dest, source);\r
- }();\r
-\r
- if(result == nullptr)\r
- CASPAR_LOG(info) << "Transition ended.";\r
+ dest = receive_and_follow(dest_producer_, hints);\r
+ if(dest == core::basic_frame::late())\r
+ dest = dest_producer_->last_frame();\r
+ },\r
+ [&]\r
+ {\r
+ source = receive_and_follow(source_producer_, hints);\r
+ if(source == core::basic_frame::late())\r
+ source = source_producer_->last_frame();\r
+ });\r
\r
- return result;\r
+ return compose(dest, source);\r
}\r
\r
- frame_ptr render_frame(frame_producer_ptr& producer)\r
+ virtual safe_ptr<core::basic_frame> last_frame() const\r
{\r
- if(producer == nullptr)\r
- return nullptr;\r
-\r
- frame_ptr frame;\r
- try\r
- {\r
- frame = producer->render_frame();\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- producer = nullptr;\r
- CASPAR_LOG(warning) << "Removed producer from transition.";\r
- }\r
-\r
- if(frame == nullptr)\r
- {\r
- if(producer == nullptr || producer->get_following_producer() == nullptr)\r
- return nullptr;\r
-\r
- try\r
- {\r
- auto following = producer->get_following_producer();\r
- following->initialize(frame_processor_);\r
- following->set_leading_producer(producer);\r
- producer = following;\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG(warning) << "Failed to initialize following producer. Removing it.";\r
- producer = nullptr;\r
- }\r
-\r
- return render_frame(producer);\r
- }\r
- return frame;\r
+ return disable_audio(last_frame_);\r
}\r
- \r
- void set_volume(const frame_ptr& frame, int volume)\r
+\r
+ virtual int64_t nb_frames() const \r
{\r
- if(!frame)\r
- return;\r
+ return get_following_producer()->nb_frames();\r
+ }\r
\r
- for(size_t n = 0; n < frame->get_audio_data().size(); ++n)\r
- frame->get_audio_data()[n] = static_cast<short>((static_cast<int>(frame->get_audio_data()[n])*volume)>>8);\r
+ virtual std::wstring print() const\r
+ {\r
+ return L"transition[" + source_producer_->print() + L"|" + dest_producer_->print() + L"]";\r
}\r
- \r
- frame_ptr compose(const frame_ptr& dest_frame, frame_ptr src_frame) \r
+ \r
+ // transition_producer\r
+ \r
+ safe_ptr<basic_frame> compose(const safe_ptr<basic_frame>& dest_frame, const safe_ptr<basic_frame>& src_frame) \r
{ \r
if(info_.type == transition::cut) \r
return src_frame;\r
+ \r
+ const double delta1 = info_.tweener(current_frame_*2-1, 0.0, 1.0, info_.duration*2);\r
+ const double delta2 = info_.tweener(current_frame_*2, 0.0, 1.0, info_.duration*2); \r
\r
- if(!dest_frame)\r
- return nullptr;\r
- \r
- double alpha = static_cast<double>(current_frame_)/static_cast<double>(info_.duration);\r
- int volume = static_cast<int>(alpha*256.0);\r
- \r
- tbb::parallel_invoke\r
- (\r
- [&]{set_volume(dest_frame, volume);},\r
- [&]{set_volume(src_frame, 256-volume);}\r
- );\r
+ const double dir = info_.direction == transition_direction::from_left ? 1.0 : -1.0; \r
\r
+ // For interlaced transitions. Seperate fields into seperate frames which are transitioned accordingly.\r
+ \r
+ auto s_frame1 = make_safe<basic_frame>(src_frame);\r
+ auto s_frame2 = make_safe<basic_frame>(src_frame);\r
+\r
+ s_frame1->get_frame_transform().volume = 0.0;\r
+ s_frame2->get_frame_transform().volume = 1.0-delta2;\r
+\r
+ auto d_frame1 = make_safe<basic_frame>(dest_frame);\r
+ auto d_frame2 = make_safe<basic_frame>(dest_frame);\r
+ \r
+ d_frame1->get_frame_transform().volume = 0.0;\r
+ d_frame2->get_frame_transform().volume = delta2;\r
+\r
if(info_.type == transition::mix)\r
- dest_frame->get_render_transform().alpha = alpha; \r
- else if(info_.type == transition::slide)\r
- { \r
- if(info_.direction == transition_direction::from_left) \r
- dest_frame->get_render_transform().pos = boost::make_tuple(-1.0+alpha, 0.0); \r
- else if(info_.direction == transition_direction::from_right)\r
- dest_frame->get_render_transform().pos = boost::make_tuple(1.0-alpha, 0.0); \r
+ {\r
+ d_frame1->get_frame_transform().opacity = delta1; \r
+ d_frame1->get_frame_transform().is_mix = true;\r
+ d_frame2->get_frame_transform().opacity = delta2;\r
+ d_frame2->get_frame_transform().is_mix = true;\r
+\r
+ s_frame1->get_frame_transform().opacity = 1.0-delta1; \r
+ s_frame1->get_frame_transform().is_mix = true;\r
+ s_frame2->get_frame_transform().opacity = 1.0-delta2; \r
+ s_frame2->get_frame_transform().is_mix = true;\r
+ }\r
+ if(info_.type == transition::slide)\r
+ {\r
+ d_frame1->get_frame_transform().fill_translation[0] = (-1.0+delta1)*dir; \r
+ d_frame2->get_frame_transform().fill_translation[0] = (-1.0+delta2)*dir; \r
}\r
else if(info_.type == transition::push)\r
{\r
- if(info_.direction == transition_direction::from_left) \r
- {\r
- dest_frame->get_render_transform().pos = boost::make_tuple(-1.0+alpha, 0.0);\r
- if(src_frame)\r
- src_frame->get_render_transform().pos = boost::make_tuple(0.0+alpha, 0.0);\r
- }\r
- else if(info_.direction == transition_direction::from_right)\r
- {\r
- dest_frame->get_render_transform().pos = boost::make_tuple(1.0-alpha, 0.0);\r
- if(src_frame)\r
- src_frame->get_render_transform().pos = boost::make_tuple(0.0-alpha, 0.0);\r
- }\r
+ d_frame1->get_frame_transform().fill_translation[0] = (-1.0+delta1)*dir;\r
+ d_frame2->get_frame_transform().fill_translation[0] = (-1.0+delta2)*dir;\r
+\r
+ s_frame1->get_frame_transform().fill_translation[0] = (0.0+delta1)*dir; \r
+ s_frame2->get_frame_transform().fill_translation[0] = (0.0+delta2)*dir; \r
}\r
- else if(info_.type == transition::wipe)\r
+ else if(info_.type == transition::wipe) \r
{\r
- if(info_.direction == transition_direction::from_left) \r
- {\r
- dest_frame->get_render_transform().pos = boost::make_tuple(-1.0+alpha, 0.0);\r
- dest_frame->get_render_transform().uv = boost::make_tuple(-1.0+alpha, 1.0, alpha, 0.0);\r
- }\r
- else if(info_.direction == transition_direction::from_right)\r
- {\r
- dest_frame->get_render_transform().pos = boost::make_tuple(1.0-alpha, 0.0);\r
- dest_frame->get_render_transform().uv = boost::make_tuple(1.0-alpha, 1.0, 2.0-alpha, 0.0);\r
- }\r
+ d_frame1->get_frame_transform().clip_scale[0] = delta1; \r
+ d_frame2->get_frame_transform().clip_scale[0] = delta2; \r
}\r
- \r
- return std::make_shared<composite_frame>(src_frame, dest_frame);\r
- }\r
+ \r
+ const auto s_frame = s_frame1->get_frame_transform() == s_frame2->get_frame_transform() ? s_frame2 : basic_frame::interlace(s_frame1, s_frame2, mode_);\r
+ const auto d_frame = d_frame1->get_frame_transform() == d_frame2->get_frame_transform() ? d_frame2 : basic_frame::interlace(d_frame1, d_frame2, mode_);\r
\r
- void initialize(const frame_processor_device_ptr& frame_processor)\r
- {\r
- dest_producer_->initialize(frame_processor);\r
- frame_processor_ = frame_processor;\r
+ last_frame_ = basic_frame::combine(s_frame2, d_frame2);\r
+\r
+ return basic_frame::combine(s_frame, d_frame);\r
}\r
- \r
- frame_producer_ptr source_producer_;\r
- frame_producer_ptr dest_producer_;\r
- \r
- unsigned short current_frame_;\r
- \r
- const transition_info info_;\r
- frame_processor_device_ptr frame_processor_;\r
};\r
\r
-transition_producer::transition_producer(const frame_producer_ptr& dest, const transition_info& info) \r
- : impl_(new implementation(dest, info)){}\r
-frame_ptr transition_producer::render_frame(){return impl_->render_frame();}\r
-frame_producer_ptr transition_producer::get_following_producer() const{return impl_->get_following_producer();}\r
-void transition_producer::set_leading_producer(const frame_producer_ptr& producer) { impl_->set_leading_producer(producer); }\r
-void transition_producer::initialize(const frame_processor_device_ptr& frame_processor) { impl_->initialize(frame_processor);}\r
+safe_ptr<frame_producer> create_transition_producer(const field_mode::type& mode, const safe_ptr<frame_producer>& destination, const transition_info& info)\r
+{\r
+ return make_safe<transition_producer>(mode, destination, info);\r
+}\r
\r
}}\r
\r
projects / casparcg / blobdiff