2 * Copyright (c) 2011 Sveriges Television AB <info@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 <core/video_format.h>
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34 #include <core/frame/frame.h>
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35 #include <core/frame/draw_frame.h>
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36 #include <core/frame/frame_factory.h>
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37 #include <core/frame/pixel_format.h>
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38 #include <core/monitor/monitor.h>
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40 #include <common/env.h>
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41 #include <common/executor.h>
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42 #include <common/lock.h>
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43 #include <common/diagnostics/graph.h>
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44 #include <common/prec_timer.h>
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45 #include <common/array.h>
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47 #include <boost/filesystem.hpp>
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48 #include <boost/property_tree/ptree.hpp>
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49 #include <boost/thread.hpp>
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50 #include <boost/timer.hpp>
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51 #include <boost/algorithm/string.hpp>
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53 #include <tbb/spin_mutex.h>
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57 #include <functional>
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59 namespace caspar { namespace flash {
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64 bitmap(int width, int height)
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65 : bmp_data_(nullptr)
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66 , hdc_(CreateCompatibleDC(0), DeleteDC)
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69 memset(&info, 0, sizeof(BITMAPINFO));
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70 info.bmiHeader.biBitCount = 32;
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71 info.bmiHeader.biCompression = BI_RGB;
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72 info.bmiHeader.biHeight = static_cast<LONG>(-height);
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73 info.bmiHeader.biPlanes = 1;
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74 info.bmiHeader.biSize = sizeof(BITMAPINFO);
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75 info.bmiHeader.biWidth = static_cast<LONG>(width);
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77 bmp_.reset(CreateDIBSection(static_cast<HDC>(hdc_.get()), &info, DIB_RGB_COLORS, reinterpret_cast<void**>(&bmp_data_), 0, 0), DeleteObject);
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78 SelectObject(static_cast<HDC>(hdc_.get()), bmp_.get());
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81 BOOST_THROW_EXCEPTION(std::bad_alloc());
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84 operator HDC() {return static_cast<HDC>(hdc_.get());}
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86 BYTE* data() { return bmp_data_;}
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87 const BYTE* data() const { return bmp_data_;}
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91 std::shared_ptr<void> hdc_;
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92 std::shared_ptr<void> bmp_;
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95 struct template_host
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97 std::wstring video_mode;
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98 std::wstring filename;
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103 template_host get_template_host(const core::video_format_desc& desc)
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107 std::vector<template_host> template_hosts;
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108 BOOST_FOREACH(auto& xml_mapping, env::properties().get_child(L"configuration.template-hosts"))
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112 template_host template_host;
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113 template_host.video_mode = xml_mapping.second.get(L"video-mode", L"");
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114 template_host.filename = xml_mapping.second.get(L"filename", L"cg.fth");
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115 template_host.width = xml_mapping.second.get(L"width", desc.width);
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116 template_host.height = xml_mapping.second.get(L"height", desc.height);
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117 template_hosts.push_back(template_host);
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122 auto template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.video_mode == desc.name;});
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123 if(template_host_it == template_hosts.end())
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124 template_host_it = boost::find_if(template_hosts, [&](template_host template_host){return template_host.video_mode == L"";});
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126 if(template_host_it != template_hosts.end())
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127 return *template_host_it;
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131 template_host template_host;
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132 template_host.filename = L"cg.fth";
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134 for(auto it = boost::filesystem::directory_iterator(env::template_folder()); it != boost::filesystem::directory_iterator(); ++it)
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136 if(boost::iequals(it->path().extension().wstring(), L"." + desc.name))
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138 template_host.filename = it->path().filename().wstring();
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143 template_host.width = desc.square_width;
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144 template_host.height = desc.square_height;
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145 return template_host;
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148 class flash_renderer
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155 : result_(CoInitialize(nullptr))
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157 if(FAILED(result_))
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158 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Failed to initialize com-context for flash-player"));
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163 if(SUCCEEDED(result_))
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164 ::CoUninitialize();
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168 monitor::basic_subject& event_subject_;
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170 const std::wstring filename_;
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172 const std::shared_ptr<core::frame_factory> frame_factory_;
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174 CComObject<caspar::flash::FlashAxContainer>* ax_;
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175 core::draw_frame head_;
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178 spl::shared_ptr<diagnostics::graph> graph_;
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186 flash_renderer(monitor::basic_subject& event_subject, const spl::shared_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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187 : event_subject_(event_subject)
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189 , filename_(filename)
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190 , frame_factory_(frame_factory)
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192 , head_(core::draw_frame::empty())
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193 , bmp_(width, height)
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197 graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));
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198 graph_->set_color("param", diagnostics::color(1.0f, 0.5f, 0.0f));
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199 graph_->set_color("sync", diagnostics::color(0.8f, 0.3f, 0.2f));
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201 if(FAILED(CComObject<caspar::flash::FlashAxContainer>::CreateInstance(&ax_)))
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202 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to create FlashAxContainer"));
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204 ax_->set_print([this]{return print();});
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206 if(FAILED(ax_->CreateAxControl()))
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207 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Create FlashAxControl"));
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209 CComPtr<IShockwaveFlash> spFlash;
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210 if(FAILED(ax_->QueryControl(&spFlash)))
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211 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Query FlashAxControl"));
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213 if(FAILED(spFlash->put_Playing(true)) )
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214 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to start playing Flash"));
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216 if(FAILED(spFlash->put_Movie(CComBSTR(filename.c_str()))))
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217 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Load Template Host"));
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219 if(FAILED(spFlash->put_ScaleMode(2))) //Exact fit. Scale without respect to the aspect ratio.
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220 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info(print() + L" Failed to Set Scale Mode"));
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222 ax_->SetSize(width_, height_);
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227 CASPAR_LOG(info) << print() << L" Initialized.";
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234 ax_->DestroyAxControl();
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237 graph_->set_value("tick-time", 0.0f);
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238 graph_->set_value("frame-time", 0.0f);
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239 CASPAR_LOG(info) << print() << L" Uninitialized.";
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242 std::wstring call(const std::wstring& param)
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244 std::wstring result;
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246 CASPAR_LOG(trace) << print() << " Call: " << param;
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248 if(!ax_->FlashCall(param, result))
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249 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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250 graph_->set_tag("param");
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255 void tick(double sync)
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257 const float frame_time = 1.0f/ax_->GetFPS();
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259 if(sync > 0.00001)
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260 timer_.tick(frame_time*sync); // This will block the thread.
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262 graph_->set_tag("sync");
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264 graph_->set_value("sync", sync);
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265 event_subject_ << monitor::event("sync") % sync;
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270 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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272 if(msg.message == WM_TIMER && msg.wParam == 3 && msg.lParam == 0) // We tick this inside FlashAxContainer
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275 TranslateMessage(&msg);
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276 DispatchMessage(&msg);
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280 core::draw_frame render()
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282 const float frame_time = 1.0f/fps();
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284 boost::timer frame_timer;
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286 if(ax_->InvalidRect())
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288 A_memset(bmp_.data(), 0, width_*height_*4);
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289 ax_->DrawControl(bmp_);
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291 core::pixel_format_desc desc = core::pixel_format::bgra;
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292 desc.planes.push_back(core::pixel_format_desc::plane(width_, height_, 4));
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293 auto frame = frame_factory_->create_frame(this, desc, fps(), core::field_mode::progressive);
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295 A_memcpy(frame.image_data(0).begin(), bmp_.data(), width_*height_*4);
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296 head_ = core::draw_frame(std::move(frame));
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299 graph_->set_value("frame-time", static_cast<float>(frame_timer.elapsed()/frame_time)*0.5f);
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300 event_subject_ << monitor::event("renderer/profiler/time") % frame_timer.elapsed() % frame_time;
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304 bool is_empty() const
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306 return ax_->IsEmpty();
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311 return ax_->GetFPS();
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314 std::wstring print()
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316 return L"flash-player[" + boost::filesystem::wpath(filename_).filename().wstring()
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317 + L"|" + boost::lexical_cast<std::wstring>(width_)
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318 + L"x" + boost::lexical_cast<std::wstring>(height_)
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323 struct flash_producer : public core::frame_producer_base
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325 monitor::basic_subject event_subject_;
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326 const std::wstring filename_;
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327 const spl::shared_ptr<core::frame_factory> frame_factory_;
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328 const core::video_format_desc format_desc_;
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331 const int buffer_size_;
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333 tbb::atomic<int> fps_;
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335 spl::shared_ptr<diagnostics::graph> graph_;
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337 std::queue<core::draw_frame> frame_buffer_;
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338 tbb::concurrent_bounded_queue<core::draw_frame> output_buffer_;
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340 boost::timer tick_timer_;
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341 std::unique_ptr<flash_renderer> renderer_;
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343 executor executor_;
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345 flash_producer(const spl::shared_ptr<core::frame_factory>& frame_factory, const core::video_format_desc& format_desc, const std::wstring& filename, int width, int height)
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346 : filename_(filename)
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347 , frame_factory_(frame_factory)
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348 , format_desc_(format_desc)
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349 , width_(width > 0 ? width : format_desc.width)
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350 , height_(height > 0 ? height : format_desc.height)
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351 , buffer_size_(env::properties().get(L"configuration.flash.buffer-depth", format_desc.fps > 30.0 ? 4 : 2))
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352 , executor_(L"flash_producer")
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356 graph_->set_color("buffer-size", diagnostics::color(1.0f, 1.0f, 0.0f));
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357 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));
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358 graph_->set_color("late-frame", diagnostics::color(0.6f, 0.3f, 0.9f));
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359 graph_->set_text(print());
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360 diagnostics::register_graph(graph_);
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362 CASPAR_LOG(info) << print() << L" Initialized";
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367 executor_.invoke([this]
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370 }, task_priority::high_priority);
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375 core::draw_frame receive_impl() override
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377 auto frame = core::draw_frame::late();
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379 if(output_buffer_.try_pop(frame))
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380 executor_.begin_invoke(std::bind(&flash_producer::next, this));
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382 graph_->set_tag("late-frame");
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384 event_subject_ << monitor::event("host/path") % filename_
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385 << monitor::event("host/width") % width_
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386 << monitor::event("host/height") % height_
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387 << monitor::event("host/fps") % fps_
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388 << monitor::event("buffer") % output_buffer_.size() % buffer_size_;
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393 boost::unique_future<std::wstring> call(const std::wstring& param) override
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395 return executor_.begin_invoke([this, param]() -> std::wstring
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401 renderer_.reset(new flash_renderer(event_subject_, graph_, frame_factory_, filename_, width_, height_));
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403 while(output_buffer_.size() < buffer_size_)
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404 output_buffer_.push(core::draw_frame::empty());
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407 return renderer_->call(param);
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411 CASPAR_LOG_CURRENT_EXCEPTION();
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412 renderer_.reset(nullptr);
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419 std::wstring print() const override
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421 return L"flash[" + boost::filesystem::path(filename_).wstring() + L"|" + boost::lexical_cast<std::wstring>(fps_) + L"]";
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424 std::wstring name() const override
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429 boost::property_tree::wptree info() const override
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431 boost::property_tree::wptree info;
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432 info.add(L"type", L"flash");
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436 void subscribe(const monitor::observable::observer_ptr& o) override
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438 event_subject_.subscribe(o);
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441 void unsubscribe(const monitor::observable::observer_ptr& o) override
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443 event_subject_.unsubscribe(o);
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450 double ratio = std::min(1.0, static_cast<double>(output_buffer_.size())/static_cast<double>(std::max(1, buffer_size_ - 1)));
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451 double sync = 2*ratio - ratio*ratio;
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452 renderer_->tick(sync);
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458 frame_buffer_.push(core::draw_frame::empty());
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460 tick_timer_.restart();
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462 if(frame_buffer_.empty())
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465 auto frame = renderer_->render();
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467 if(abs(renderer_->fps()/2.0 - format_desc_.fps) < 2.0) // flash == 2 * format -> interlace
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470 if(format_desc_.field_mode != core::field_mode::progressive)
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471 frame = core::draw_frame::interlace(frame, renderer_->render(), format_desc_.field_mode);
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473 frame_buffer_.push(frame);
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475 else if(abs(renderer_->fps() - format_desc_.fps/2.0) < 2.0) // format == 2 * flash -> duplicate
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477 frame_buffer_.push(frame);
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478 frame_buffer_.push(frame);
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480 else //if(abs(renderer_->fps() - format_desc_.fps) < 0.1) // format == flash -> simple
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482 frame_buffer_.push(frame);
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485 fps_.fetch_and_store(static_cast<int>(renderer_->fps()*100.0));
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486 graph_->set_text(print());
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488 if(renderer_->is_empty())
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492 graph_->set_value("tick-time", static_cast<float>(tick_timer_.elapsed()/fps_)*0.5f);
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493 event_subject_ << monitor::event("profiler/time") % tick_timer_.elapsed() % fps_;
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495 output_buffer_.push(std::move(frame_buffer_.front()));
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496 frame_buffer_.pop();
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500 spl::shared_ptr<core::frame_producer> create_producer(const spl::shared_ptr<core::frame_factory>& frame_factory, const core::video_format_desc& format_desc, const std::vector<std::wstring>& params)
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502 auto template_host = get_template_host(format_desc);
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504 auto filename = env::template_folder() + L"\\" + template_host.filename;
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506 if(!boost::filesystem::exists(filename))
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507 BOOST_THROW_EXCEPTION(file_not_found() << boost::errinfo_file_name(u8(filename)));
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509 return spl::make_shared<flash_producer>(frame_factory, format_desc, filename, template_host.width, template_host.height);
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512 std::wstring find_template(const std::wstring& template_name)
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514 if(boost::filesystem::exists(template_name + L".ft"))
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515 return template_name + L".ft";
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517 if(boost::filesystem::exists(template_name + L".ct"))
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518 return template_name + L".ct";
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520 if(boost::filesystem::exists(template_name + L".swf"))
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521 return template_name + L".swf";
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