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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47 #include <boost/algorithm/string.hpp>
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49 #include <functional>
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51 #include <tbb/spin_mutex.h>
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53 namespace caspar { namespace flash {
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58 bitmap(size_t width, size_t height)
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59 : bmp_data_(nullptr)
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60 , hdc_(CreateCompatibleDC(0), DeleteDC)
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63 memset(&info, 0, sizeof(BITMAPINFO));
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64 info.bmiHeader.biBitCount = 32;
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65 info.bmiHeader.biCompression = BI_RGB;
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66 info.bmiHeader.biHeight = -height;
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67 info.bmiHeader.biPlanes = 1;
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68 info.bmiHeader.biSize = sizeof(BITMAPINFO);
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69 info.bmiHeader.biWidth = width;
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71 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);
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72 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get());
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75 BOOST_THROW_EXCEPTION(std::bad_alloc());
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78 operator HDC() {return static_cast<HDC>(hdc_.get());}
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80 BYTE* data() { return bmp_data_;}
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81 const BYTE* data() const { return bmp_data_;}
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85 std::shared_ptr<void> hdc_;
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86 std::shared_ptr<void> bmp_;
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89 struct template_host
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91 std::string field_mode;
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92 std::string filename;
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97 template_host get_template_host(const core::video_format_desc& desc)
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101 std::vector<template_host> template_hosts;
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102 BOOST_FOREACH(auto& xml_mapping, env::properties().get_child("configuration.producers.template-hosts"))
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106 template_host template_host;
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107 template_host.field_mode = xml_mapping.second.get("video-mode", narrow(desc.name));
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108 template_host.filename = xml_mapping.second.get("filename", "cg.fth");
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109 template_host.width = xml_mapping.second.get("width", desc.width);
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110 template_host.height = xml_mapping.second.get("height", desc.height);
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111 template_hosts.push_back(template_host);
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116 auto template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.field_mode == narrow(desc.name);});
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117 if(template_host_it == template_hosts.end())
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118 template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.field_mode == "";});
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120 if(template_host_it != template_hosts.end())
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121 return *template_host_it;
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127 template_host template_host;
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128 template_host.filename = "cg.fth";
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130 for(auto it = boost::filesystem2::wdirectory_iterator(env::template_folder()); it != boost::filesystem2::wdirectory_iterator(); ++it)
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132 if(boost::iequals(it->path().extension(), L"." + desc.name))
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134 template_host.filename = narrow(it->filename());
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139 template_host.width = desc.width;
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140 template_host.height = desc.height;
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141 return template_host;
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144 class flash_renderer
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146 const std::wstring filename_;
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148 const std::shared_ptr<core::frame_factory> frame_factory_;
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150 CComObject<caspar::flash::FlashAxContainer>* ax_;
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151 safe_ptr<core::basic_frame> head_;
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154 safe_ptr<diagnostics::graph> graph_;
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155 boost::timer frame_timer_;
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156 boost::timer tick_timer_;
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158 high_prec_timer timer_;
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160 const size_t width_;
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161 const size_t height_;
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164 flash_renderer(const safe_ptr<diagnostics::graph>& graph, const std::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, int width, int height)
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166 , filename_(filename)
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167 , frame_factory_(frame_factory)
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169 , head_(core::basic_frame::empty())
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170 , bmp_(width, height)
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174 graph_->add_guide("frame-time", 0.5f);
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175 graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));
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176 graph_->add_guide("tick-time", 0.5);
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177 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));
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178 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));
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179 graph_->set_color("skip-sync", diagnostics::color(0.8f, 0.3f, 0.2f));
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181 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))
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182 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));
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184 ax_->set_print([this]{return L"flash_renderer";});
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186 if(FAILED(ax_->CreateAxControl()))
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187 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));
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189 CComPtr<IShockwaveFlash> spFlash;
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190 if(FAILED(ax_->QueryControl(&spFlash)))
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191 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));
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193 if(FAILED(spFlash->put_Playing(true)) )
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194 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));
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196 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))
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197 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));
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199 if(FAILED(spFlash->put_ScaleMode(2))) //Exact fit. Scale without respect to the aspect ratio.
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200 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));
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202 ax_->SetSize(width_, height_);
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204 CASPAR_LOG(info) << print() << L" Thread started.";
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205 CASPAR_LOG(info) << print() << L" Successfully initialized with template-host: " << filename << L" width: " << width_ << L" height: " << height_ << L".";
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212 ax_->DestroyAxControl();
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215 CASPAR_LOG(info) << print() << L" Thread ended.";
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218 void param(const std::wstring& param)
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220 if(!ax_->FlashCall(param))
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221 CASPAR_LOG(warning) << print() << L" Flash call failed:" << param;//BOOST_THROW_EXCEPTION(invalid_operation() << msg_info("Flash function call failed.") << arg_name_info("param") << arg_value_info(narrow(param)));
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222 graph_->add_tag("param");
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225 safe_ptr<core::basic_frame> render_frame(bool has_underflow)
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227 float frame_time = 1.0f/ax_->GetFPS();
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229 graph_->update_value("tick-time", static_cast<float>(tick_timer_.elapsed()/frame_time)*0.5f);
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230 tick_timer_.restart();
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233 return core::basic_frame::empty();
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235 if(!has_underflow)
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236 timer_.tick(frame_time); // This will block the thread.
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238 graph_->add_tag("skip-sync");
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240 frame_timer_.restart();
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243 if(ax_->InvalidRect())
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245 fast_memclr(bmp_.data(), width_*height_*4);
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246 ax_->DrawControl(bmp_);
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248 auto frame = frame_factory_->create_frame(this, width_, height_);
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249 fast_memcpy(frame->image_data().begin(), bmp_.data(), width_*height_*4);
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254 graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()/frame_time)*0.5f);
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258 bool is_empty() const
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260 return ax_->IsEmpty();
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265 return ax_->GetFPS();
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268 std::wstring print()
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270 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"]";
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274 struct flash_producer : public core::frame_producer
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276 const std::wstring filename_;
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277 const safe_ptr<core::frame_factory> frame_factory_;
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279 tbb::atomic<int> fps_;
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281 std::shared_ptr<diagnostics::graph> graph_;
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283 tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> frame_buffer_;
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285 mutable tbb::spin_mutex last_frame_mutex_;
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286 safe_ptr<core::basic_frame> last_frame_;
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288 com_context<flash_renderer> context_;
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293 flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, size_t width, size_t height)
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294 : filename_(filename)
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295 , frame_factory_(frame_factory)
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296 , context_(L"flash_producer")
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297 , last_frame_(core::basic_frame::empty())
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298 , width_(width > 0 ? width : frame_factory->get_video_format_desc().width)
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299 , height_(height > 0 ? height : frame_factory->get_video_format_desc().height)
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301 if(!boost::filesystem::exists(filename))
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302 BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));
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306 graph_ = diagnostics::create_graph(narrow(print()));
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307 graph_->set_color("output-buffer-count", diagnostics::color(1.0f, 1.0f, 0.0f));
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308 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));
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310 frame_buffer_.set_capacity(frame_factory_->get_video_format_desc().fps > 30.0 ? 2 : 1);
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317 frame_buffer_.clear();
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322 virtual safe_ptr<core::basic_frame> receive(int)
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324 graph_->set_value("output-buffer-count", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));
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326 auto frame = core::basic_frame::late();
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327 if(!frame_buffer_.try_pop(frame) && context_)
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328 graph_->add_tag("underflow");
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333 virtual safe_ptr<core::basic_frame> last_frame() const
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335 tbb::spin_mutex::scoped_lock lock(last_frame_mutex_);
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336 return last_frame_;
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339 virtual void param(const std::wstring& param)
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341 context_.begin_invoke([=]
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348 context_->param(param);
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350 //const auto& format_desc = frame_factory_->get_video_format_desc();
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351 //if(abs(context_->fps() - format_desc.fps) > 0.01 && abs(context_->fps()/2.0 - format_desc.fps) > 0.01)
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352 // CASPAR_LOG(warning) << print() << " Invalid frame-rate: " << context_->fps() << L". Should be either " << format_desc.fps << L" or " << format_desc.fps*2.0 << L".";
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356 CASPAR_LOG_CURRENT_EXCEPTION();
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357 context_.reset(nullptr);
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358 frame_buffer_.push(core::basic_frame::empty());
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363 virtual std::wstring print() const
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365 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"|" + boost::lexical_cast<std::wstring>(fps_) + L"]";
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372 context_.reset([&]{return new flash_renderer(safe_ptr<diagnostics::graph>(graph_), frame_factory_, filename_, width_, height_);});
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373 while(frame_buffer_.try_push(core::basic_frame::empty())){}
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374 render(context_.get());
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377 safe_ptr<core::basic_frame> render_frame()
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379 auto frame = context_->render_frame(frame_buffer_.size() < frame_buffer_.capacity());
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380 tbb::spin_mutex::scoped_lock lock(last_frame_mutex_);
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381 last_frame_ = make_safe<core::basic_frame>(frame);
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385 void render(const flash_renderer* renderer)
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387 context_.begin_invoke([=]
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389 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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394 const auto& format_desc = frame_factory_->get_video_format_desc();
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396 if(abs(context_->fps()/2.0 - format_desc.fps) < 2.0) // flash == 2 * format -> interlace
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398 auto frame1 = render_frame();
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399 auto frame2 = render_frame();
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400 frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc.field_mode));
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402 else if(abs(context_->fps()- format_desc.fps/2.0) < 2.0) // format == 2 * flash -> duplicate
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404 auto frame = render_frame();
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405 frame_buffer_.push(frame);
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406 frame_buffer_.push(frame);
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408 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple
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410 auto frame = render_frame();
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411 frame_buffer_.push(frame);
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414 if(context_->is_empty())
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416 context_.reset(nullptr);
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420 graph_->set_value("output-buffer-count", static_cast<float>(frame_buffer_.size())/static_cast<float>(frame_buffer_.capacity()));
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421 fps_.fetch_and_store(static_cast<int>(context_->fps()*100.0));
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422 graph_->update_text(narrow(print()));
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428 CASPAR_LOG_CURRENT_EXCEPTION();
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429 context_.reset(nullptr);
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430 frame_buffer_.push(core::basic_frame::empty());
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436 safe_ptr<core::frame_producer> create_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)
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438 auto template_host = get_template_host(frame_factory->get_video_format_desc());
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440 return make_safe<flash_producer>(frame_factory, env::template_folder() + L"\\" + widen(template_host.filename), template_host.width, template_host.height);
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443 std::wstring find_template(const std::wstring& template_name)
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445 if(boost::filesystem::exists(template_name + L".ft"))
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446 return template_name + L".ft";
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448 if(boost::filesystem::exists(template_name + L".ct"))
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449 return template_name + L".ct";
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