-/*\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 "transition_producer.h"\r
-\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 <tbb/parallel_invoke.h>\r
-\r
-namespace caspar { namespace core { \r
-\r
-class transition_producer : public frame_producer_base\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<frame_producer> dest_producer_;\r
- spl::shared_ptr<frame_producer> source_producer_;\r
-\r
- bool paused_;\r
- \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
- , dest_producer_(dest)\r
- , source_producer_(frame_producer::empty())\r
- , paused_(false)\r
- {\r
- dest->subscribe(event_subject_);\r
-\r
- CASPAR_LOG(info) << print() << L" Initialized";\r
- }\r
- \r
- // frame_producer\r
- \r
- void leading_producer(const spl::shared_ptr<frame_producer>& producer) override\r
- {\r
- source_producer_ = producer;\r
- }\r
-\r
- draw_frame receive_impl() override\r
- {\r
- if(++current_frame_ >= info_.duration)\r
- {\r
- source_producer_ = core::frame_producer::empty();\r
- return dest_producer_->receive(); \r
- }\r
-\r
- auto dest = draw_frame::empty();\r
- auto source = draw_frame::empty();\r
-\r
- tbb::parallel_invoke(\r
- [&]\r
- {\r
- dest = dest_producer_->receive();\r
- if(dest == core::draw_frame::late())\r
- dest = dest_producer_->last_frame();\r
- },\r
- [&]\r
- {\r
- source = source_producer_->receive();\r
- if(source == core::draw_frame::late())\r
- source = source_producer_->last_frame();\r
- }); \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
- return compose(dest, source);\r
- }\r
-\r
- draw_frame last_frame() override\r
- {\r
- if(current_frame_ >= info_.duration)\r
- return dest_producer_->last_frame();\r
-\r
- return frame_producer_base::last_frame();\r
- }\r
- \r
- uint32_t nb_frames() const override\r
- {\r
- return dest_producer_->nb_frames();\r
- }\r
-\r
- std::wstring print() const override\r
- {\r
- return L"transition[" + source_producer_->print() + L"=>" + dest_producer_->print() + L"]";\r
- }\r
-\r
- std::wstring name() const override\r
- {\r
- return L"transition";\r
- }\r
- \r
- boost::property_tree::wptree info() const override\r
- {\r
- return dest_producer_->info();\r
- }\r
- \r
- boost::unique_future<std::wstring> call(const std::wstring& str) override\r
- {\r
- return dest_producer_->call(str);\r
- }\r
-\r
- // transition_producer\r
- \r
- draw_frame compose(draw_frame dest_frame, draw_frame src_frame) const\r
- { \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
- 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.transform().audio_transform.volume = 1.0-delta2;\r
- auto s_frame1 = src_frame;\r
- auto s_frame2 = src_frame;\r
- \r
- dest_frame.transform().audio_transform.volume = delta2;\r
- auto d_frame1 = dest_frame;\r
- auto d_frame2 = dest_frame;\r
- \r
- if(info_.type == transition_type::mix)\r
- {\r
- d_frame1.transform().image_transform.opacity = delta1; \r
- d_frame1.transform().image_transform.is_mix = true;\r
- d_frame2.transform().image_transform.opacity = delta2;\r
- d_frame2.transform().image_transform.is_mix = true;\r
-\r
- s_frame1.transform().image_transform.opacity = 1.0-delta1; \r
- s_frame1.transform().image_transform.is_mix = true;\r
- s_frame2.transform().image_transform.opacity = 1.0-delta2; \r
- s_frame2.transform().image_transform.is_mix = true;\r
- }\r
- if(info_.type == transition_type::slide)\r
- {\r
- d_frame1.transform().image_transform.fill_translation[0] = (-1.0+delta1)*dir; \r
- d_frame2.transform().image_transform.fill_translation[0] = (-1.0+delta2)*dir; \r
- }\r
- else if(info_.type == transition_type::push)\r
- {\r
- d_frame1.transform().image_transform.fill_translation[0] = (-1.0+delta1)*dir;\r
- d_frame2.transform().image_transform.fill_translation[0] = (-1.0+delta2)*dir;\r
-\r
- s_frame1.transform().image_transform.fill_translation[0] = (0.0+delta1)*dir; \r
- s_frame2.transform().image_transform.fill_translation[0] = (0.0+delta2)*dir; \r
- }\r
- else if(info_.type == transition_type::wipe) \r
- {\r
- d_frame1.transform().image_transform.clip_scale[0] = delta1; \r
- d_frame2.transform().image_transform.clip_scale[0] = delta2; \r
- }\r
- \r
- const auto s_frame = s_frame1.transform() == s_frame2.transform() ? s_frame2 : draw_frame::interlace(s_frame1, s_frame2, mode_);\r
- const auto d_frame = d_frame1.transform() == d_frame2.transform() ? d_frame2 : draw_frame::interlace(d_frame1, d_frame2, mode_);\r
- \r
- return draw_frame::over(s_frame, d_frame);\r
- }\r
-\r
- void subscribe(const monitor::observable::observer_ptr& o) override \r
- {\r
- event_subject_.subscribe(o);\r
- }\r
-\r
- void unsubscribe(const monitor::observable::observer_ptr& o) override \r
- {\r
- event_subject_.unsubscribe(o);\r
- }\r
-};\r
-\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 spl::make_shared<transition_producer>(mode, destination, info);\r
-}\r
-\r
-}}\r
-\r
+/*
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
+*
+* This file is part of CasparCG (www.casparcg.com).
+*
+* CasparCG is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* CasparCG is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
+*
+* Author: Robert Nagy, ronag89@gmail.com
+*/
+
+#include "../../StdAfx.h"
+
+#include "transition_producer.h"
+
+#include "../frame_producer.h"
+#include "../../frame/draw_frame.h"
+#include "../../frame/frame_transform.h"
+#include "../../monitor/monitor.h"
+
+#include <tbb/parallel_invoke.h>
+
+#include <future>
+
+namespace caspar { namespace core {
+
+class transition_producer : public frame_producer_base
+{
+ spl::shared_ptr<monitor::subject> monitor_subject_;
+ const field_mode mode_;
+ int current_frame_ = 0;
+
+ const transition_info info_;
+
+ spl::shared_ptr<frame_producer> dest_producer_;
+ spl::shared_ptr<frame_producer> source_producer_ = frame_producer::empty();
+
+ bool paused_ = false;
+
+public:
+ explicit transition_producer(const field_mode& mode, const spl::shared_ptr<frame_producer>& dest, const transition_info& info)
+ : mode_(mode)
+ , info_(info)
+ , dest_producer_(dest)
+ {
+ dest->monitor_output().attach_parent(monitor_subject_);
+
+ CASPAR_LOG(info) << print() << L" Initialized";
+ }
+
+ // frame_producer
+
+ void leading_producer(const spl::shared_ptr<frame_producer>& producer) override
+ {
+ source_producer_ = producer;
+ }
+
+ draw_frame receive_impl() override
+ {
+ if(current_frame_ >= info_.duration)
+ {
+ source_producer_ = core::frame_producer::empty();
+ return dest_producer_->receive();
+ }
+
+ current_frame_ += 1;
+
+ auto dest = draw_frame::empty();
+ auto source = draw_frame::empty();
+
+ tbb::parallel_invoke(
+ [&]
+ {
+ dest = dest_producer_->receive();
+ if(dest == core::draw_frame::late())
+ dest = dest_producer_->last_frame();
+ },
+ [&]
+ {
+ source = source_producer_->receive();
+ if(source == core::draw_frame::late())
+ source = source_producer_->last_frame();
+ });
+
+ *monitor_subject_ << monitor::message("/transition/frame") % current_frame_ % info_.duration
+ << monitor::message("/transition/type") % [&]() -> std::string
+ {
+ switch(info_.type)
+ {
+ case transition_type::mix: return "mix";
+ case transition_type::wipe: return "wipe";
+ case transition_type::slide: return "slide";
+ case transition_type::push: return "push";
+ case transition_type::cut: return "cut";
+ default: return "n/a";
+ }
+ }();
+
+ return compose(dest, source);
+ }
+
+ draw_frame last_frame() override
+ {
+ if(current_frame_ >= info_.duration)
+ return dest_producer_->last_frame();
+
+ return frame_producer_base::last_frame();
+ }
+
+ constraints& pixel_constraints() override
+ {
+ return dest_producer_->pixel_constraints();
+ }
+
+ uint32_t nb_frames() const override
+ {
+ return dest_producer_->nb_frames();
+ }
+
+ uint32_t frame_number() const override
+ {
+ return dest_producer_->frame_number();
+ }
+
+ std::wstring print() const override
+ {
+ return L"transition[" + source_producer_->print() + L"=>" + dest_producer_->print() + L"]";
+ }
+
+ std::wstring name() const override
+ {
+ return L"transition";
+ }
+
+ boost::property_tree::wptree info() const override
+ {
+ return dest_producer_->info();
+ }
+
+ std::future<std::wstring> call(const std::vector<std::wstring>& params) override
+ {
+ return dest_producer_->call(params);
+ }
+
+ // transition_producer
+
+ draw_frame compose(draw_frame dest_frame, draw_frame src_frame) const
+ {
+ if(info_.type == transition_type::cut)
+ return src_frame;
+
+ const double delta1 = info_.tweener(current_frame_*2-1, 0.0, 1.0, static_cast<double>(info_.duration*2));
+ const double delta2 = info_.tweener(current_frame_*2, 0.0, 1.0, static_cast<double>(info_.duration*2));
+
+ const double dir = info_.direction == transition_direction::from_left ? 1.0 : -1.0;
+
+ // For interlaced transitions. Seperate fields into seperate frames which are transitioned accordingly.
+
+ src_frame.transform().audio_transform.volume = 1.0-delta2;
+ auto s_frame1 = src_frame;
+ auto s_frame2 = src_frame;
+
+ dest_frame.transform().audio_transform.volume = delta2;
+ auto d_frame1 = dest_frame;
+ auto d_frame2 = dest_frame;
+
+ if(info_.type == transition_type::mix)
+ {
+ d_frame1.transform().image_transform.opacity = delta1;
+ d_frame1.transform().image_transform.is_mix = true;
+ d_frame2.transform().image_transform.opacity = delta2;
+ d_frame2.transform().image_transform.is_mix = true;
+
+ s_frame1.transform().image_transform.opacity = 1.0-delta1;
+ s_frame1.transform().image_transform.is_mix = true;
+ s_frame2.transform().image_transform.opacity = 1.0-delta2;
+ s_frame2.transform().image_transform.is_mix = true;
+ }
+ if(info_.type == transition_type::slide)
+ {
+ d_frame1.transform().image_transform.fill_translation[0] = (-1.0+delta1)*dir;
+ d_frame2.transform().image_transform.fill_translation[0] = (-1.0+delta2)*dir;
+ }
+ else if(info_.type == transition_type::push)
+ {
+ d_frame1.transform().image_transform.fill_translation[0] = (-1.0+delta1)*dir;
+ d_frame2.transform().image_transform.fill_translation[0] = (-1.0+delta2)*dir;
+
+ s_frame1.transform().image_transform.fill_translation[0] = (0.0+delta1)*dir;
+ s_frame2.transform().image_transform.fill_translation[0] = (0.0+delta2)*dir;
+ }
+ else if(info_.type == transition_type::wipe)
+ {
+ d_frame1.transform().image_transform.clip_scale[0] = delta1;
+ d_frame2.transform().image_transform.clip_scale[0] = delta2;
+ }
+
+ const auto s_frame = s_frame1.transform() == s_frame2.transform() ? s_frame2 : draw_frame::interlace(s_frame1, s_frame2, mode_);
+ const auto d_frame = d_frame1.transform() == d_frame2.transform() ? d_frame2 : draw_frame::interlace(d_frame1, d_frame2, mode_);
+
+ return draw_frame::over(s_frame, d_frame);
+ }
+
+ monitor::subject& monitor_output()
+ {
+ return *monitor_subject_;
+ }
+
+ void on_interaction(const interaction_event::ptr& event) override
+ {
+ dest_producer_->on_interaction(event);
+ }
+
+ bool collides(double x, double y) const override
+ {
+ return dest_producer_->collides(x, y);
+ }
+};
+
+spl::shared_ptr<frame_producer> create_transition_producer(const field_mode& mode, const spl::shared_ptr<frame_producer>& destination, const transition_info& info)
+{
+ return spl::make_shared<transition_producer>(mode, destination, info);
+}
+
+}}
+
projects / casparcg / blobdiff