/*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
*\r
-* This file is part of CasparCG.\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
+* 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
+* 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
+* Author: Robert Nagy, ronag89@gmail.com\r
+*/\r
+\r
#include "../../stdafx.h"\r
\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
-\r
-#include "../../producer/frame_producer_device.h"\r
+#include "../frame_producer.h"\r
+#include "../../frame/draw_frame.h"\r
+#include "../../frame/frame_transform.h"\r
+#include "../../monitor/monitor.h"\r
\r
-#include <boost/range/algorithm/copy.hpp>\r
+#include <tbb/parallel_invoke.h>\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
+class transition_producer : public frame_producer\r
+{ \r
+ monitor::basic_subject event_subject_;\r
+ const field_mode mode_;\r
+ int current_frame_;\r
+ \r
+ const transition_info info_;\r
+\r
+ spl::shared_ptr<draw_frame> last_frame_;\r
+ \r
+ spl::shared_ptr<frame_producer> dest_producer_;\r
+ spl::shared_ptr<frame_producer> source_producer_;\r
\r
- frame_producer_ptr get_following_producer() const\r
+public:\r
+ explicit transition_producer(const field_mode& mode, const spl::shared_ptr<frame_producer>& dest, const transition_info& info) \r
+ : mode_(mode)\r
+ , current_frame_(0)\r
+ , info_(info)\r
+ , last_frame_(draw_frame::empty())\r
+ , dest_producer_(dest)\r
+ , source_producer_(frame_producer::empty())\r
{\r
- return dest_producer_;\r
+ dest->subscribe(event_subject_);\r
}\r
\r
- void set_leading_producer(const frame_producer_ptr& producer)\r
+ // frame_producer\r
+ \r
+ virtual void leading_producer(const spl::shared_ptr<frame_producer>& producer) override\r
{\r
source_producer_ = producer;\r
}\r
- \r
- frame_ptr render_frame()\r
- {\r
- if(current_frame_ == 0)\r
- CASPAR_LOG(info) << "Transition started.";\r
\r
- frame_ptr result = [&]() -> frame_ptr\r
+ virtual spl::shared_ptr<draw_frame> receive(int flags) override\r
+ {\r
+ if(current_frame_ >= info_.duration)\r
+ return dest_producer_->receive(flags);\r
+ \r
+ ++current_frame_;\r
+\r
+ event_subject_ << monitor::event("transition/frame") % current_frame_ % info_.duration\r
+ << monitor::event("transition/type") % [&]() -> std::string\r
+ {\r
+ switch(info_.type.value())\r
+ {\r
+ case transition_type::mix: return "mix";\r
+ case transition_type::wipe: return "wipe";\r
+ case transition_type::slide: return "slide";\r
+ case transition_type::push: return "push";\r
+ case transition_type::cut: return "cut";\r
+ default: return "n/a";\r
+ }\r
+ }();\r
+\r
+ auto dest = draw_frame::empty();\r
+ auto source = draw_frame::empty();\r
+\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 = dest_producer_->receive(flags);\r
+ if(dest == core::draw_frame::late())\r
+ dest = dest_producer_->last_frame();\r
+ },\r
+ [&]\r
+ {\r
+ source = source_producer_->receive(flags);\r
+ if(source == core::draw_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 spl::shared_ptr<draw_frame> last_frame() const override\r
+ {\r
+ return dest_producer_->last_frame();\r
+ }\r
+ \r
+ virtual uint32_t nb_frames() const override\r
{\r
- if(producer == nullptr)\r
- return nullptr;\r
+ return dest_producer_->nb_frames();\r
+ }\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
+ virtual std::wstring print() const override\r
+ {\r
+ return L"transition[" + source_producer_->print() + L"=>" + dest_producer_->print() + L"]";\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
+ virtual std::wstring name() const override\r
+ {\r
+ return L"transition";\r
}\r
- \r
- void set_volume(const frame_ptr& frame, int volume)\r
+ \r
+ boost::property_tree::wptree info() const override\r
{\r
- if(!frame)\r
- return;\r
-\r
- for(size_t n = 0; n < frame->audio_data().size(); ++n)\r
- frame->audio_data()[n] = static_cast<short>((static_cast<int>(frame->audio_data()[n])*volume)>>8);\r
+ return dest_producer_->info();\r
}\r
- \r
- frame_ptr compose(const frame_ptr& dest_frame, frame_ptr src_frame) \r
+\r
+ // transition_producer\r
+ \r
+ spl::shared_ptr<draw_frame> compose(const spl::shared_ptr<draw_frame>& dest_frame, const spl::shared_ptr<draw_frame>& src_frame) \r
{ \r
- if(info_.type == transition::cut) \r
+ if(info_.type == transition_type::cut) \r
return src_frame;\r
+ \r
+ const double delta1 = info_.tweener(current_frame_*2-1, 0.0, 1.0, static_cast<double>(info_.duration*2));\r
+ const double delta2 = info_.tweener(current_frame_*2, 0.0, 1.0, static_cast<double>(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
+ src_frame->frame_transform().audio_transform.volume = 1.0-delta2;\r
+ auto s_frame1 = spl::make_shared<draw_frame>(src_frame);\r
+ auto s_frame2 = spl::make_shared<draw_frame>(src_frame);\r
\r
- if(info_.type == transition::mix)\r
- dest_frame->alpha(alpha); \r
- else if(info_.type == transition::slide)\r
- { \r
- if(info_.direction == transition_direction::from_left) \r
- dest_frame->translate(-1.0+alpha, 0.0); \r
- else if(info_.direction == transition_direction::from_right)\r
- dest_frame->translate(1.0-alpha, 0.0); \r
+ dest_frame->frame_transform().audio_transform.volume = delta2;\r
+ auto d_frame1 = spl::make_shared<draw_frame>(dest_frame);\r
+ auto d_frame2 = spl::make_shared<draw_frame>(dest_frame);\r
+ \r
+ if(info_.type == transition_type::mix)\r
+ {\r
+ d_frame1->frame_transform().image_transform.opacity = delta1; \r
+ d_frame1->frame_transform().image_transform.is_mix = true;\r
+ d_frame2->frame_transform().image_transform.opacity = delta2;\r
+ d_frame2->frame_transform().image_transform.is_mix = true;\r
+\r
+ s_frame1->frame_transform().image_transform.opacity = 1.0-delta1; \r
+ s_frame1->frame_transform().image_transform.is_mix = true;\r
+ s_frame2->frame_transform().image_transform.opacity = 1.0-delta2; \r
+ s_frame2->frame_transform().image_transform.is_mix = true;\r
}\r
- else if(info_.type == transition::push)\r
+ if(info_.type == transition_type::slide)\r
{\r
- if(info_.direction == transition_direction::from_left) \r
- {\r
- dest_frame->translate(-1.0+alpha, 0.0);\r
- if(src_frame)\r
- src_frame->translate(0.0+alpha, 0.0);\r
- }\r
- else if(info_.direction == transition_direction::from_right)\r
- {\r
- dest_frame->translate(1.0-alpha, 0.0);\r
- if(src_frame)\r
- src_frame->translate(0.0-alpha, 0.0);\r
- }\r
+ d_frame1->frame_transform().image_transform.fill_translation[0] = (-1.0+delta1)*dir; \r
+ d_frame2->frame_transform().image_transform.fill_translation[0] = (-1.0+delta2)*dir; \r
}\r
- else if(info_.type == transition::wipe)\r
+ else if(info_.type == transition_type::push)\r
{\r
- if(info_.direction == transition_direction::from_left) \r
- {\r
- dest_frame->translate(-1.0+alpha, 0.0);\r
- dest_frame->texcoords(-1.0+alpha, 1.0, alpha, 0.0);\r
- }\r
- else if(info_.direction == transition_direction::from_right)\r
- {\r
- dest_frame->translate(1.0-alpha, 0.0);\r
- dest_frame->texcoords(1.0-alpha, 1.0, 2.0-alpha, 0.0);\r
- }\r
+ d_frame1->frame_transform().image_transform.fill_translation[0] = (-1.0+delta1)*dir;\r
+ d_frame2->frame_transform().image_transform.fill_translation[0] = (-1.0+delta2)*dir;\r
+\r
+ s_frame1->frame_transform().image_transform.fill_translation[0] = (0.0+delta1)*dir; \r
+ s_frame2->frame_transform().image_transform.fill_translation[0] = (0.0+delta2)*dir; \r
}\r
- \r
- return std::make_shared<composite_frame>(src_frame, dest_frame);\r
- }\r
+ else if(info_.type == transition_type::wipe) \r
+ {\r
+ d_frame1->frame_transform().image_transform.clip_scale[0] = delta1; \r
+ d_frame2->frame_transform().image_transform.clip_scale[0] = delta2; \r
+ }\r
+ \r
+ const auto s_frame = s_frame1->frame_transform() == s_frame2->frame_transform() ? s_frame2 : draw_frame::interlace(s_frame1, s_frame2, mode_);\r
+ const auto d_frame = d_frame1->frame_transform() == d_frame2->frame_transform() ? d_frame2 : draw_frame::interlace(d_frame1, d_frame2, mode_);\r
\r
- void initialize(const frame_processor_device_ptr& frame_processor)\r
+ return draw_frame::over(s_frame, d_frame);\r
+ }\r
+\r
+ virtual void subscribe(const monitor::observable::observer_ptr& o) override \r
{\r
- dest_producer_->initialize(frame_processor);\r
- frame_processor_ = frame_processor;\r
+ event_subject_.subscribe(o);\r
+ }\r
+\r
+ virtual void unsubscribe(const monitor::observable::observer_ptr& o) override \r
+ {\r
+ event_subject_.unsubscribe(o);\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
+spl::shared_ptr<frame_producer> create_transition_producer(const field_mode& mode, const spl::shared_ptr<frame_producer>& destination, const transition_info& info)\r
+{\r
+ return core::wrap_producer(spl::make_shared<transition_producer>(mode, destination, info));\r
+}\r
\r
}}\r
\r