2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG.
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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21 #include "../stdafx.h"
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23 #if defined(_MSC_VER)
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24 #pragma warning (disable : 4146)
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25 #pragma warning (disable : 4244)
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28 #include "flash_producer.h"
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29 #include "FlashAxContainer.h"
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31 #include <core/video_format.h>
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33 #include <core/producer/frame/basic_frame.h>
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34 #include <core/producer/frame/frame_factory.h>
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35 #include <core/mixer/write_frame.h>
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37 #include <common/env.h>
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38 #include <common/concurrency/com_context.h>
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39 #include <common/diagnostics/graph.h>
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40 #include <common/memory/memcpy.h>
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41 #include <common/memory/memclr.h>
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42 #include <common/utility/timer.h>
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44 #include <boost/filesystem.hpp>
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45 #include <boost/thread.hpp>
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46 #include <boost/timer.hpp>
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48 #include <functional>
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55 bitmap(size_t width, size_t height)
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56 : bmp_data_(nullptr)
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57 , hdc_(CreateCompatibleDC(0), DeleteDC)
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60 memset(&info, 0, sizeof(BITMAPINFO));
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61 info.bmiHeader.biBitCount = 32;
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62 info.bmiHeader.biCompression = BI_RGB;
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63 info.bmiHeader.biHeight = -height;
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64 info.bmiHeader.biPlanes = 1;
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65 info.bmiHeader.biSize = sizeof(BITMAPINFO);
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66 info.bmiHeader.biWidth = width;
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68 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);
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69 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get());
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72 BOOST_THROW_EXCEPTION(std::bad_alloc());
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75 operator HDC() {return static_cast<HDC>(hdc_.get());}
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77 BYTE* data() { return bmp_data_;}
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78 const BYTE* data() const { return bmp_data_;}
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82 std::shared_ptr<void> hdc_;
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83 std::shared_ptr<void> bmp_;
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86 class flash_renderer
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88 const std::wstring filename_;
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89 core::video_format_desc format_desc_;
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91 const std::shared_ptr<core::frame_factory> frame_factory_;
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93 CComObject<caspar::flash::FlashAxContainer>* ax_;
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94 safe_ptr<core::basic_frame> head_;
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97 safe_ptr<diagnostics::graph> graph_;
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98 boost::timer frame_timer_;
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99 boost::timer tick_timer_;
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101 high_prec_timer timer_;
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104 flash_renderer(const safe_ptr<diagnostics::graph>& graph, const std::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& filename)
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106 , filename_(filename)
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107 , format_desc_(frame_factory->get_video_format_desc())
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108 , frame_factory_(frame_factory)
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110 , head_(core::basic_frame::empty())
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111 , bmp_(format_desc_.width, format_desc_.height)
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113 graph_->add_guide("frame-time", 0.5f);
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114 graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));
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115 graph_->add_guide("tick-time", 0.5);
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116 graph_->set_color("tick-time", diagnostics::color(0.1f, 0.7f, 0.8f));
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117 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));
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118 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));
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120 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))
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121 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));
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123 ax_->set_print([this]{return L"flash_renderer";});
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125 if(FAILED(ax_->CreateAxControl()))
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126 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));
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128 CComPtr<IShockwaveFlash> spFlash;
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129 if(FAILED(ax_->QueryControl(&spFlash)))
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130 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));
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132 if(FAILED(spFlash->put_Playing(true)) )
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133 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));
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135 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))
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136 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));
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138 if(FAILED(spFlash->put_ScaleMode(2))) //Exact fit. Scale without respect to the aspect ratio.
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139 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));
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141 ax_->SetFormat(format_desc_);
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143 CASPAR_LOG(info) << print() << L" Thread started.";
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150 ax_->DestroyAxControl();
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153 CASPAR_LOG(info) << print() << L" Thread ended.";
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156 void param(const std::wstring& param)
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158 if(!ax_->FlashCall(param))
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159 CASPAR_LOG(warning) << print() << " Flash function call failed. Param: " << param << ".";
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160 graph_->add_tag("param");
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162 if(abs(ax_->GetFPS() - format_desc_.fps) > 0.01 && abs(ax_->GetFPS()/2.0 - format_desc_.fps) > 0.01)
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163 CASPAR_LOG(warning) << print() << " Invalid frame-rate: " << ax_->GetFPS() << L". Should be either " << format_desc_.fps << L" or " << format_desc_.fps*2.0 << L".";
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166 safe_ptr<core::basic_frame> render_frame(bool has_underflow)
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168 if(format_desc_ != frame_factory_->get_video_format_desc())
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170 format_desc_ = frame_factory_->get_video_format_desc();
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171 bmp_ = bitmap(format_desc_.width, format_desc_.height);
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172 ax_->SetFormat(format_desc_);
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175 float frame_time = 1.0f/ax_->GetFPS();
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177 graph_->update_value("tick-time", static_cast<float>(tick_timer_.elapsed()/frame_time)*0.5f);
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178 tick_timer_.restart();
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181 return core::basic_frame::empty();
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183 if(!has_underflow)
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184 timer_.tick(frame_time); // This will block the thread.
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186 graph_->add_tag("underflow");
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188 frame_timer_.restart();
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191 if(ax_->InvalidRect())
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193 fast_memclr(bmp_.data(), format_desc_.size);
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194 ax_->DrawControl(bmp_);
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196 auto frame = frame_factory_->create_frame(this, format_desc_.width, format_desc_.height);
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197 fast_memcpy(frame->image_data().begin(), bmp_.data(), format_desc_.size);
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202 graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()/frame_time)*0.5f);
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208 return ax_->GetFPS();
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211 std::wstring print()
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213 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"]";
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217 struct flash_producer : public core::frame_producer
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219 const std::wstring filename_;
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220 const safe_ptr<core::frame_factory> frame_factory_;
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222 tbb::atomic<int> fps_;
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224 std::shared_ptr<diagnostics::graph> graph_;
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226 tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;
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228 com_context<flash_renderer> context_;
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230 flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename)
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231 : filename_(filename)
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232 , frame_factory_(frame_factory)
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233 , context_(L"flash_producer")
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235 if(!boost::filesystem::exists(filename))
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236 BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));
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240 graph_ = diagnostics::create_graph([this]{return print();});
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241 graph_->set_color("output-buffer", diagnostics::color(0.0f, 1.0f, 0.0f));
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243 frame_buffer_.set_capacity(2);
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250 frame_buffer_.clear();
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255 virtual safe_ptr<core::basic_frame> receive()
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257 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));
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259 auto frame = core::basic_frame::late();
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260 frame_buffer_.try_pop(frame);
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264 virtual void param(const std::wstring& param)
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266 context_.begin_invoke([=]
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273 context_->param(param);
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277 CASPAR_LOG_CURRENT_EXCEPTION();
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278 context_.reset(nullptr);
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279 frame_buffer_.push(core::basic_frame::empty());
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284 virtual std::wstring print() const
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286 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L", " +
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287 boost::lexical_cast<std::wstring>(fps_) + L"]";
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294 context_.reset([&]{return new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_);});
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295 while(frame_buffer_.try_push(core::basic_frame::empty())){}
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296 render(context_.get());
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299 void render(const flash_renderer* renderer)
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301 context_.begin_invoke([=]
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303 if(context_.get() != renderer) // Since initialize will start a new recursive call make sure the recursive calls are only for a specific instance.
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308 const auto& format_desc = frame_factory_->get_video_format_desc();
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310 if(abs(context_->fps()/2.0 - format_desc.fps) < 0.01) // flash == 2 * format -> interlace
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312 auto frame1 = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());
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313 auto frame2 = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());
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314 frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc.mode));
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316 else if(abs(context_->fps()- format_desc.fps/2.0) < 0.01) // format == 2 * flash -> duplicate
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318 auto frame = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());
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319 frame_buffer_.push(frame);
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320 frame_buffer_.push(frame);
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322 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple
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324 auto frame = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());
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325 frame_buffer_.push(frame);
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328 graph_->set_value("output-buffer", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));
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329 fps_.fetch_and_store(static_cast<int>(context_->fps()*100.0));
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335 CASPAR_LOG_CURRENT_EXCEPTION();
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336 context_.reset(nullptr);
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337 frame_buffer_.push(core::basic_frame::empty());
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343 safe_ptr<core::frame_producer> create_flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)
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345 std::wstring filename = env::template_folder() + L"\\" + params[0];
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347 return make_safe<flash_producer>(frame_factory, filename);
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350 std::wstring find_flash_template(const std::wstring& template_name)
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352 if(boost::filesystem::exists(template_name + L".ft"))
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353 return template_name + L".ft";
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355 if(boost::filesystem::exists(template_name + L".ct"))
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356 return template_name + L".ct";
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