/*\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 <core/video_format.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 <mixer/frame/draw_frame.h>\r
-#include <mixer/image/image_transform.h>\r
-#include <mixer/audio/audio_mixer.h>\r
-#include <mixer/audio/audio_transform.h>\r
+#include <tbb/parallel_invoke.h>\r
\r
namespace caspar { namespace core { \r
\r
-struct transition_producer::implementation : boost::noncopyable\r
+class transition_producer : public frame_producer\r
{ \r
- printer parent_printer_;\r
- unsigned short current_frame_;\r
+ monitor::basic_subject event_subject_;\r
+ const field_mode mode_;\r
+ 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
- std::shared_ptr<frame_factory> frame_factory_;\r
- video_format_desc format_desc_;\r
+ const transition_info info_;\r
\r
- std::vector<safe_ptr<draw_frame>> frame_buffer_;\r
+ spl::shared_ptr<draw_frame> last_frame_;\r
\r
- implementation(const safe_ptr<frame_producer>& dest, const transition_info& info) \r
- : current_frame_(0)\r
+ spl::shared_ptr<frame_producer> dest_producer_;\r
+ spl::shared_ptr<frame_producer> source_producer_;\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
+ , last_frame_(draw_frame::empty())\r
, dest_producer_(dest)\r
, source_producer_(frame_producer::empty())\r
{\r
- frame_buffer_.push_back(draw_frame::empty());\r
+ dest->subscribe(event_subject_);\r
}\r
- \r
- void initialize(const safe_ptr<frame_factory>& frame_factory)\r
+ \r
+ // frame_producer\r
+ \r
+ virtual void leading_producer(const spl::shared_ptr<frame_producer>& producer) override\r
{\r
- dest_producer_->initialize(frame_factory);\r
- frame_factory_ = frame_factory;\r
- format_desc_ = frame_factory_->get_video_format_desc();\r
+ source_producer_ = producer;\r
}\r
\r
- virtual void set_parent_printer(const printer& parent_printer) \r
+ virtual spl::shared_ptr<draw_frame> receive(int flags) override\r
{\r
- dest_producer_->set_parent_printer(std::bind(&implementation::print, this));\r
- parent_printer_ = parent_printer;\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
+ 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 compose(dest, source);\r
}\r
\r
- safe_ptr<frame_producer> get_following_producer() const\r
+ virtual spl::shared_ptr<draw_frame> last_frame() const override\r
{\r
- return dest_producer_;\r
+ return dest_producer_->last_frame();\r
}\r
\r
- void set_leading_producer(const safe_ptr<frame_producer>& producer)\r
+ virtual uint32_t nb_frames() const override\r
{\r
- source_producer_ = producer;\r
+ return dest_producer_->nb_frames();\r
}\r
\r
- safe_ptr<draw_frame> receive()\r
+ virtual std::wstring print() const override\r
{\r
- if(current_frame_++ >= info_.duration)\r
- return draw_frame::eof();\r
-\r
- auto source = draw_frame::empty();\r
- auto dest = draw_frame::empty();\r
-\r
- tbb::parallel_invoke\r
- (\r
- [&]{dest = render_sub_frame(dest_producer_);},\r
- [&]{source = render_sub_frame(source_producer_);}\r
- );\r
+ return L"transition[" + source_producer_->print() + L"=>" + dest_producer_->print() + L"]";\r
+ }\r
\r
- return compose(dest, source);\r
+ virtual std::wstring name() const override\r
+ {\r
+ return L"transition";\r
}\r
\r
- safe_ptr<draw_frame> render_sub_frame(safe_ptr<frame_producer>& producer)\r
+ boost::property_tree::wptree info() const override\r
{\r
- if(producer == frame_producer::empty())\r
- return draw_frame::eof();\r
-\r
- auto frame = draw_frame::eof();\r
- try\r
- {\r
- frame = producer->receive();\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- producer = frame_producer::empty();\r
- CASPAR_LOG(warning) << print() << " Failed to receive frame. Removed producer from transition.";\r
- }\r
-\r
- if(frame == draw_frame::eof())\r
- {\r
- try\r
- {\r
- auto following = producer->get_following_producer();\r
- following->initialize(safe_ptr<frame_factory>(frame_factory_));\r
- following->set_leading_producer(producer);\r
- producer = std::move(following);\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- producer = frame_producer::empty();\r
- CASPAR_LOG(warning) << print() << " Failed to initialize following producer.";\r
- }\r
-\r
- return render_sub_frame(producer);\r
- }\r
- return frame;\r
+ return dest_producer_->info();\r
}\r
- \r
- safe_ptr<draw_frame> compose(const safe_ptr<draw_frame>& dest_frame, const safe_ptr<draw_frame>& src_frame) \r
- { \r
- if(dest_frame == draw_frame::eof() && src_frame == draw_frame::eof())\r
- return draw_frame::eof();\r
\r
- if(info_.type == transition::cut) \r
- return src_frame != draw_frame::eof() ? src_frame : draw_frame::empty();\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_type::cut) \r
+ return src_frame;\r
\r
- double alpha = static_cast<double>(current_frame_)/static_cast<double>(info_.duration);\r
- double half_alpha_step = 0.5*1.0/static_cast<double>(info_.duration);\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
- double dir = info_.direction == transition_direction::from_left ? 1.0 : -1.0; \r
+ // For interlaced transitions. Seperate fields into seperate frames which are transitioned accordingly.\r
\r
- // For interalced transitions; seperate fields into seperate frames which are transitioned accordingly.\r
-\r
- auto s_frame1 = make_safe<draw_frame>(src_frame);\r
- auto s_frame2 = make_safe<draw_frame>(src_frame);\r
-\r
- s_frame1->get_audio_transform().set_gain(0);\r
- s_frame2->get_audio_transform().set_gain(1.0-alpha);\r
-\r
- auto d_frame1 = make_safe<draw_frame>(dest_frame);\r
- auto d_frame2 = make_safe<draw_frame>(dest_frame);\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
- d_frame1->get_audio_transform().set_gain(0);\r
- d_frame2->get_audio_transform().set_gain(alpha);\r
-\r
- if(info_.type == transition::mix)\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->get_image_transform().set_opacity(alpha-half_alpha_step); \r
- d_frame2->get_image_transform().set_opacity(alpha); \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::slide)\r
+ if(info_.type == transition_type::slide)\r
{\r
- d_frame1->get_image_transform().set_image_translation((-1.0+alpha-half_alpha_step)*dir, 0.0); \r
- d_frame2->get_image_transform().set_image_translation((-1.0+alpha)*dir, 0.0); \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::push)\r
+ else if(info_.type == transition_type::push)\r
{\r
- d_frame1->get_image_transform().set_image_translation((-1.0+alpha-half_alpha_step)*dir, 0.0);\r
- d_frame2->get_image_transform().set_image_translation((-1.0+alpha)*dir, 0.0);\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->get_image_transform().set_image_translation((0.0+alpha-half_alpha_step)*dir, 0.0); \r
- s_frame2->get_image_transform().set_image_translation((0.0+alpha)*dir, 0.0); \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
- else if(info_.type == transition::wipe) \r
+ else if(info_.type == transition_type::wipe) \r
{\r
- d_frame1->get_image_transform().set_mask_scale(alpha-half_alpha_step, 1.0); \r
- d_frame2->get_image_transform().set_mask_scale(alpha, 1.0); \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
- return draw_frame(draw_frame::interlace(s_frame1, s_frame2, format_desc_.mode), draw_frame::interlace(d_frame1, d_frame2, format_desc_.mode));\r
+ return draw_frame::over(s_frame, d_frame);\r
+ }\r
+\r
+ virtual void subscribe(const monitor::observable::observer_ptr& o) override \r
+ {\r
+ event_subject_.subscribe(o);\r
}\r
\r
- std::wstring print() const\r
+ virtual void unsubscribe(const monitor::observable::observer_ptr& o) override \r
{\r
- return (parent_printer_ ? parent_printer_() + L"/" : L"") + L"transition[length:" + boost::lexical_cast<std::wstring>(info_.duration) + L"]";\r
+ event_subject_.unsubscribe(o);\r
}\r
};\r
\r
-transition_producer::transition_producer(transition_producer&& other) : impl_(std::move(other.impl_)){}\r
-transition_producer::transition_producer(const safe_ptr<frame_producer>& dest, const transition_info& info) : impl_(new implementation(dest, info)){}\r
-safe_ptr<draw_frame> transition_producer::receive(){return impl_->receive();}\r
-safe_ptr<frame_producer> transition_producer::get_following_producer() const{return impl_->get_following_producer();}\r
-void transition_producer::set_leading_producer(const safe_ptr<frame_producer>& producer) { impl_->set_leading_producer(producer); }\r
-void transition_producer::initialize(const safe_ptr<frame_factory>& frame_factory) { impl_->initialize(frame_factory);}\r
-void transition_producer::set_parent_printer(const printer& parent_printer) {impl_->set_parent_printer(parent_printer);}\r
-std::wstring transition_producer::print() const { return impl_->print();}\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
projects / casparcg / blobdiff