2 * Copyright 2013 Sveriges Television AB http://casparcg.com/
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4 * This file is part of CasparCG (www.casparcg.com).
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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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19 * Author: Robert Nagy, ronag89@gmail.com
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22 #include "../stdafx.h"
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24 #if defined(_MSC_VER)
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25 #pragma warning (disable : 4146)
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26 #pragma warning (disable : 4244)
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29 #include "flash_producer.h"
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30 #include "FlashAxContainer.h"
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32 #include "../util/swf.h"
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34 #include <core/video_format.h>
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36 #include <core/monitor/monitor.h>
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37 #include <core/parameters/parameters.h>
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38 #include <core/producer/frame/basic_frame.h>
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39 #include <core/producer/frame/frame_factory.h>
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40 #include <core/mixer/write_frame.h>
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42 #include <common/env.h>
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43 #include <common/concurrency/executor.h>
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44 #include <common/concurrency/lock.h>
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45 #include <common/concurrency/future_util.h>
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46 #include <common/diagnostics/graph.h>
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47 #include <common/memory/memcpy.h>
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48 #include <common/memory/memclr.h>
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49 #include <common/utility/timer.h>
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51 #include <boost/filesystem.hpp>
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52 #include <boost/property_tree/ptree.hpp>
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53 #include <boost/thread.hpp>
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54 #include <boost/timer.hpp>
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55 #include <boost/algorithm/string.hpp>
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57 #include <functional>
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59 #include <tbb/spin_mutex.h>
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61 namespace caspar { namespace flash {
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66 bitmap(size_t width, size_t height)
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67 : bmp_data_(nullptr)
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68 , hdc_(CreateCompatibleDC(0), DeleteDC)
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71 memset(&info, 0, sizeof(BITMAPINFO));
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72 info.bmiHeader.biBitCount = 32;
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73 info.bmiHeader.biCompression = BI_RGB;
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74 info.bmiHeader.biHeight = -height;
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75 info.bmiHeader.biPlanes = 1;
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76 info.bmiHeader.biSize = sizeof(BITMAPINFO);
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77 info.bmiHeader.biWidth = width;
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79 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);
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80 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get());
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83 BOOST_THROW_EXCEPTION(std::bad_alloc());
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86 operator HDC() {return static_cast<HDC>(hdc_.get());}
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88 BYTE* data() { return bmp_data_;}
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89 const BYTE* data() const { return bmp_data_;}
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93 std::shared_ptr<void> hdc_;
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94 std::shared_ptr<void> bmp_;
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97 struct template_host
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99 std::wstring video_mode;
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100 std::wstring filename;
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105 template_host get_template_host(const core::video_format_desc& desc)
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109 std::vector<template_host> template_hosts;
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110 auto template_hosts_element = env::properties().get_child_optional(
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111 L"configuration.template-hosts");
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113 if (template_hosts_element)
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114 BOOST_FOREACH(auto& xml_mapping, *template_hosts_element)
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118 template_host template_host;
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119 template_host.video_mode = xml_mapping.second.get(L"video-mode", L"");
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120 template_host.filename = xml_mapping.second.get(L"filename", L"cg.fth");
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121 template_host.width = xml_mapping.second.get(L"width", desc.width);
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122 template_host.height = xml_mapping.second.get(L"height", desc.height);
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123 template_hosts.push_back(template_host);
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128 auto template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.video_mode == desc.name;});
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129 if(template_host_it == template_hosts.end())
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130 template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.video_mode == L"";});
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132 if(template_host_it != template_hosts.end())
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133 return *template_host_it;
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137 template_host template_host;
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138 template_host.filename = L"cg.fth";
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140 for(auto it = boost::filesystem2::wdirectory_iterator(env::template_folder()); it != boost::filesystem2::wdirectory_iterator(); ++it)
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142 if(boost::iequals(it->path().extension(), L"." + desc.name))
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144 template_host.filename = it->filename();
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149 template_host.width = desc.square_width;
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150 template_host.height = desc.square_height;
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151 return template_host;
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154 boost::mutex& get_global_init_destruct_mutex()
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156 static boost::mutex m;
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161 class flash_renderer
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168 : result_(CoInitialize(nullptr))
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170 if(FAILED(result_))
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171 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Failed to initialize com-context for flash-player"));
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176 if(SUCCEEDED(result_))
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177 ::CoUninitialize();
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181 const safe_ptr<diagnostics::graph> graph_;
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182 const size_t width_;
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183 const size_t height_;
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184 const std::wstring filename_;
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185 const std::shared_ptr<core::frame_factory> frame_factory_;
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187 CComObject<caspar::flash::FlashAxContainer>* ax_;
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188 safe_ptr<core::basic_frame> head_;
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191 boost::timer frame_timer_;
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192 boost::timer tick_timer_;
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195 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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199 , filename_(filename)
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200 , frame_factory_(frame_factory)
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202 , head_(core::basic_frame::late())
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203 , bmp_(width, height)
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205 graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));
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206 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));
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207 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));
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208 graph_->set_color("buffered", diagnostics::color(0.8f, 0.3f, 0.2f));
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210 lock(get_global_init_destruct_mutex(), [this]
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213 CoInitialize(nullptr);
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215 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))
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216 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to create FlashAxContainer"));
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218 if(FAILED(ax_->CreateAxControl()))
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219 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Create FlashAxControl"));
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222 ax_->set_print([this]{return print();});
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224 CComPtr<IShockwaveFlash> spFlash;
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225 if(FAILED(ax_->QueryControl(&spFlash)))
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226 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Query FlashAxControl"));
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228 if(FAILED(spFlash->put_Playing(true)) )
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229 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to start playing Flash"));
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231 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))
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232 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Load Template Host"));
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234 if(FAILED(spFlash->put_ScaleMode(2))) //Exact fit. Scale without respect to the aspect ratio.
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235 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(narrow(print()) + " Failed to Set Scale Mode"));
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237 ax_->SetSize(width_, height_);
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240 CASPAR_LOG(info) << print() << L" Initialized.";
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247 lock(get_global_init_destruct_mutex(), [this]
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249 ax_->DestroyAxControl();
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253 graph_->set_value("tick-time", 0.0f);
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254 graph_->set_value("frame-time", 0.0f);
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255 CASPAR_LOG(info) << print() << L" Uninitialized.";
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258 std::wstring call(const std::wstring& param)
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260 std::wstring result;
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262 CASPAR_LOG(trace) << print() << " Call: " << param;
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264 if(!ax_->FlashCall(param, result))
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265 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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266 graph_->set_tag("param");
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271 safe_ptr<core::basic_frame> render_frame()
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273 float frame_time = 1.0f/ax_->GetFPS();
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275 graph_->set_value("tick-time", static_cast<float>(tick_timer_.elapsed()/frame_time)*0.5f);
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276 tick_timer_.restart();
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278 if (!ax_->IsReadyToRender())
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282 return core::basic_frame::empty();
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284 frame_timer_.restart();
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287 if(ax_->InvalidRect())
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289 core::pixel_format_desc desc;
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290 desc.pix_fmt = core::pixel_format::bgra;
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291 desc.planes.push_back(core::pixel_format_desc::plane(width_, height_, 4));
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292 auto frame = frame_factory_->create_frame(this, desc);
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294 fast_memclr(bmp_.data(), width_*height_*4);
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295 ax_->DrawControl(bmp_);
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297 if(frame->image_data().size() == static_cast<int>(width_*height_*4))
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299 fast_memcpy(frame->image_data().begin(), bmp_.data(), width_*height_*4);
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306 while(PeekMessage(&msg, NULL, NULL, NULL, PM_REMOVE)) // DO NOT REMOVE THE MESSAGE DISPATCH LOOP. Without this some stuff doesn't work!
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308 if(msg.message == WM_TIMER && msg.wParam == 3 && msg.lParam == 0) // We tick this inside FlashAxContainer
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311 TranslateMessage(&msg);
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312 DispatchMessage(&msg);
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315 graph_->set_value("frame-time", static_cast<float>(frame_timer_.elapsed()/frame_time)*0.5f);
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319 bool is_empty() const
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321 return ax_->IsEmpty();
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326 return ax_->GetFPS();
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329 std::wstring print()
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331 return L"flash-player[" + boost::filesystem::wpath(filename_).filename()
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332 + L"|" + boost::lexical_cast<std::wstring>(width_)
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333 + L"x" + boost::lexical_cast<std::wstring>(height_)
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338 struct flash_producer : public core::frame_producer
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340 core::monitor::subject monitor_subject_;
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341 const std::wstring filename_;
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342 const safe_ptr<core::frame_factory> frame_factory_;
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345 const int buffer_size_;
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347 tbb::atomic<int> fps_;
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349 safe_ptr<diagnostics::graph> graph_;
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351 std::queue<safe_ptr<core::basic_frame>> frame_buffer_;
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352 tbb::concurrent_bounded_queue<safe_ptr<core::basic_frame>> output_buffer_;
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354 safe_ptr<core::basic_frame> last_frame_;
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356 std::unique_ptr<flash_renderer> renderer_;
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357 tbb::atomic<bool> has_renderer_;
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359 executor executor_;
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361 flash_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, size_t width, size_t height)
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362 : filename_(filename)
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363 , frame_factory_(frame_factory)
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364 , last_frame_(core::basic_frame::empty())
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365 , width_(width > 0 ? width : frame_factory->get_video_format_desc().width)
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366 , height_(height > 0 ? height : frame_factory->get_video_format_desc().height)
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367 , buffer_size_(env::properties().get(L"configuration.flash.buffer-depth", frame_factory_->get_video_format_desc().fps > 30.0 ? 4 : 2))
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368 , executor_(L"flash_producer")
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372 graph_->set_color("late-frame", diagnostics::color(0.6f, 0.3f, 0.9f));
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373 graph_->set_text(print());
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374 diagnostics::register_graph(graph_);
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376 has_renderer_ = false;
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381 executor_.invoke([this]
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389 virtual safe_ptr<core::basic_frame> receive(int) override
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391 auto frame = core::basic_frame::late();
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393 double buffered = output_buffer_.size();
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394 auto ratio = buffered / buffer_size_;
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395 graph_->set_value("buffered", ratio);
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397 if(output_buffer_.try_pop(frame))
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398 last_frame_ = frame;
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400 graph_->set_tag("late-frame");
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404 monitor_subject_ << core::monitor::message("/host/path") % filename_
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405 << core::monitor::message("/host/width") % width_
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406 << core::monitor::message("/host/height") % height_
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407 << core::monitor::message("/host/fps") % fps_
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408 << core::monitor::message("/buffer") % output_buffer_.size() % buffer_size_;
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413 virtual safe_ptr<core::basic_frame> last_frame() const override
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415 return last_frame_;
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418 virtual boost::unique_future<std::wstring> call(const std::wstring& param) override
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421 return wrap_as_future(std::wstring(has_renderer_ ? L"1" : L"0"));
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423 return executor_.begin_invoke([this, param]() -> std::wstring
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427 bool initialize_renderer = !renderer_;
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429 if(initialize_renderer)
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431 renderer_.reset(new flash_renderer(graph_, frame_factory_, filename_, width_, height_));
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433 has_renderer_ = true;
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436 std::wstring result = param == L"start_rendering"
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437 ? L"" : renderer_->call(param);
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439 if (initialize_renderer)
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445 //const auto& format_desc = frame_factory_->get_video_format_desc();
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446 //if(abs(context_->fps() - format_desc.fps) > 0.01 && abs(context_->fps()/2.0 - format_desc.fps) > 0.01)
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447 // 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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451 CASPAR_LOG_CURRENT_EXCEPTION();
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452 renderer_.reset(nullptr);
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453 has_renderer_ = false;
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460 virtual std::wstring print() const override
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462 return L"flash[" + boost::filesystem::wpath(filename_).filename() + L"|" + boost::lexical_cast<std::wstring>(fps_) + L"]";
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465 virtual boost::property_tree::wptree info() const override
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467 boost::property_tree::wptree info;
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468 info.add(L"type", L"flash-producer");
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476 executor_.begin_invoke([this]
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482 void do_fill_buffer()
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484 int nothing_rendered = 0;
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485 const int MAX_NOTHING_RENDERED_RETRIES = 4;
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487 auto to_render = buffer_size_ - output_buffer_.size();
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490 while (rendered < to_render)
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492 bool was_rendered = next();
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500 if (nothing_rendered++ < MAX_NOTHING_RENDERED_RETRIES)
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502 // Flash player not ready with first frame, sleep to not busy-loop;
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503 boost::this_thread::sleep(boost::posix_time::milliseconds(10));
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504 boost::this_thread::yield();
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517 frame_buffer_.push(core::basic_frame::empty());
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519 if(frame_buffer_.empty())
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521 auto format_desc = frame_factory_->get_video_format_desc();
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523 if(abs(renderer_->fps()/2.0 - format_desc.fps) < 2.0) // flash == 2 * format -> interlace
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525 auto frame1 = render_frame();
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527 if (frame1 != core::basic_frame::late())
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529 auto frame2 = render_frame();
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530 frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc.field_mode));
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533 else if(abs(renderer_->fps() - format_desc.fps/2.0) < 2.0) // format == 2 * flash -> duplicate
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535 auto frame = render_frame();
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537 if (frame != core::basic_frame::late())
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539 frame_buffer_.push(frame);
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540 frame_buffer_.push(frame);
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543 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple
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545 auto frame = render_frame();
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547 if (frame != core::basic_frame::late())
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548 frame_buffer_.push(frame);
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551 fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));
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552 graph_->set_text(print());
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554 if(renderer_->is_empty())
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557 has_renderer_ = false;
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561 if (frame_buffer_.empty())
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567 output_buffer_.push(std::move(frame_buffer_.front()));
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568 frame_buffer_.pop();
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573 safe_ptr<core::basic_frame> render_frame()
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575 return renderer_->render_frame();
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578 core::monitor::subject& monitor_output()
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580 return monitor_subject_;
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584 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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586 auto template_host = get_template_host(frame_factory->get_video_format_desc());
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588 auto filename = env::template_folder() + L"\\" + template_host.filename;
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590 if(!boost::filesystem::exists(filename))
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591 BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(narrow(filename)));
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593 return create_producer_destroy_proxy(
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594 create_producer_print_proxy(
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595 make_safe<flash_producer>(frame_factory, filename, template_host.width, template_host.height)));
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598 safe_ptr<core::frame_producer> create_swf_producer(
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599 const safe_ptr<core::frame_factory>& frame_factory,
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600 const core::parameters& params)
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602 auto filename = env::media_folder() + L"\\" + params.at_original(0) + L".swf";
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604 if(!boost::filesystem::exists(filename))
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605 return core::frame_producer::empty();
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607 swf_t::header_t header(filename);
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609 auto producer = make_safe<flash_producer>(
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610 frame_factory, filename, header.frame_width, header.frame_height);
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612 producer->call(L"start_rendering").get();
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614 return create_producer_destroy_proxy(create_producer_print_proxy(producer));
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617 std::wstring find_template(const std::wstring& template_name)
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619 if(boost::filesystem::exists(template_name + L".ft"))
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620 return template_name + L".ft";
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622 if(boost::filesystem::exists(template_name + L".ct"))
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623 return template_name + L".ct";
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625 if(boost::filesystem::exists(template_name + L".swf"))
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626 return template_name + L".swf";
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