git.sesse.net Git - casparcg/blob - modules/flash/flash.cpp

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Robert Nagy, ronag89@gmail.com
  20 */
  21
  22 #include "StdAfx.h"
  23
  24 #include "flash.h"
  25 #include "util/swf.h"
  26
  27 #include "producer/flash_producer.h"
  28
  29 #include <common/env.h>
  30 #include <common/os/windows/windows.h>
  31
  32 #include <core/producer/media_info/media_info.h>
  33 #include <core/producer/media_info/media_info_repository.h>
  34 #include <core/producer/cg_proxy.h>
  35 #include <core/system_info_provider.h>
  36 #include <core/frame/frame_factory.h>
  37 #include <core/video_format.h>
  38 #include <core/help/help_sink.h>
  39 #include <core/help/help_repository.h>
  40
  41 #include <boost/property_tree/ptree.hpp>
  42 #include <boost/noncopyable.hpp>
  43 #include <boost/filesystem.hpp>
  44
  45 #include <string>
  46 #include <future>
  47
  48 namespace caspar { namespace flash {
  49
  50 std::wstring version();
  51 std::wstring cg_version();
  52
  53 std::wstring get_absolute(const std::wstring& base_folder, const std::wstring& filename)
  54 {
  55         return (boost::filesystem::path(base_folder) / filename).wstring();
  56 }
  57
  58 class flash_cg_proxy : public core::cg_proxy, boost::noncopyable
  59 {
  60         spl::shared_ptr<core::frame_producer>   flash_producer_;
  61         std::wstring                                                    base_folder_;
  62 public:
  63         explicit flash_cg_proxy(const spl::shared_ptr<core::frame_producer>& producer, std::wstring base_folder = env::template_folder())
  64                 : flash_producer_(producer)
  65                 , base_folder_(base_folder)
  66         {
  67         }
  68
  69         //cg_proxy
  70
  71         void add(int layer, const std::wstring& template_name, bool play_on_load, const std::wstring& label, const std::wstring& data) override
  72         {
  73                 auto filename = template_name;
  74
  75                 if (filename.size() > 0 && filename[0] == L'/')
  76                         filename = filename.substr(1, filename.size() - 1);
  77
  78                 filename = (boost::filesystem::path(base_folder_) / filename).wstring();
  79                 filename = find_template(filename);
  80
  81                 auto str = (boost::wformat(L"<invoke name=\"Add\" returntype=\"xml\"><arguments><number>%1%</number><string>%2%</string>%3%<string>%4%</string><string><![CDATA[%5%]]></string></arguments></invoke>") % layer % filename % (play_on_load ? L"<true/>" : L"<false/>") % label % data).str();
  82                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking add-command: " << str;
  83                 std::vector<std::wstring> params;
  84                 params.push_back(std::move(str));
  85                 flash_producer_->call(std::move(params)).get();
  86         }
  87
  88         void verify_flash_player()
  89         {
  90                 if (flash_producer_->call({ L"?" }).get() == L"0")
  91                         CASPAR_THROW_EXCEPTION(expected_user_error() << msg_info("No flash player running on video layer."));
  92         }
  93
  94         void remove(int layer) override
  95         {
  96                 verify_flash_player();
  97
  98                 auto str = (boost::wformat(L"<invoke name=\"Delete\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
  99                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking remove-command: " << str;
 100                 std::vector<std::wstring> params;
 101                 params.push_back(std::move(str));
 102                 flash_producer_->call(std::move(params));
 103         }
 104
 105         void play(int layer) override
 106         {
 107                 verify_flash_player();
 108
 109                 auto str = (boost::wformat(L"<invoke name=\"Play\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
 110                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking play-command: " << str;
 111                 std::vector<std::wstring> params;
 112                 params.push_back(std::move(str));
 113                 flash_producer_->call(std::move(params));
 114         }
 115
 116         void stop(int layer, unsigned int) override
 117         {
 118                 verify_flash_player();
 119
 120                 auto str = (boost::wformat(L"<invoke name=\"Stop\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array><number>0</number></arguments></invoke>") % layer).str();
 121                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking stop-command: " << str;
 122                 std::vector<std::wstring> params;
 123                 params.push_back(std::move(str));
 124                 flash_producer_->call(std::move(params));
 125         }
 126
 127         void next(int layer) override
 128         {
 129                 verify_flash_player();
 130
 131                 auto str = (boost::wformat(L"<invoke name=\"Next\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
 132                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking next-command: " << str;
 133                 std::vector<std::wstring> params;
 134                 params.push_back(std::move(str));
 135                 flash_producer_->call(std::move(params));
 136         }
 137
 138         void update(int layer, const std::wstring& data) override
 139         {
 140                 verify_flash_player();
 141
 142                 auto str = (boost::wformat(L"<invoke name=\"SetData\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array><string><![CDATA[%2%]]></string></arguments></invoke>") % layer % data).str();
 143                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking update-command: " << str;
 144                 std::vector<std::wstring> params;
 145                 params.push_back(std::move(str));
 146                 flash_producer_->call(std::move(params));
 147         }
 148
 149         std::wstring invoke(int layer, const std::wstring& label) override
 150         {
 151                 verify_flash_player();
 152
 153                 auto str = (boost::wformat(L"<invoke name=\"Invoke\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array><string>%2%</string></arguments></invoke>") % layer % label).str();
 154                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking invoke-command: " << str;
 155                 std::vector<std::wstring> params;
 156                 params.push_back(std::move(str));
 157                 // TODO: because of std::async deferred timed waiting does not work so for now we have to block
 158                 return flash_producer_->call(std::move(params)).get();
 159         }
 160
 161         std::wstring description(int layer) override
 162         {
 163                 verify_flash_player();
 164
 165                 auto str = (boost::wformat(L"<invoke name=\"GetDescription\" returntype=\"xml\"><arguments><array><property id=\"0\"><number>%1%</number></property></array></arguments></invoke>") % layer).str();
 166                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking description-command: " << str;
 167                 std::vector<std::wstring> params;
 168                 params.push_back(std::move(str));
 169                 // TODO: because of std::async deferred timed waiting does not work so for now we have to block
 170                 return flash_producer_->call(std::move(params)).get();
 171         }
 172
 173         std::wstring template_host_info() override
 174         {
 175                 auto str = (boost::wformat(L"<invoke name=\"GetInfo\" returntype=\"xml\"><arguments></arguments></invoke>")).str();
 176                 CASPAR_LOG(debug) << flash_producer_->print() << " Invoking info-command: " << str;
 177                 std::vector<std::wstring> params;
 178                 params.push_back(std::move(str));
 179                 // TODO: because of std::async deferred timed waiting does not work so for now we have to block
 180                 return flash_producer_->call(std::move(params)).get();
 181         }
 182 };
 183
 184 void describe_ct_producer(core::help_sink& sink, const core::help_repository& repo)
 185 {
 186         sink.short_description(L"Plays compressed flash templates (.ct files).");
 187         sink.syntax(L"[ct_file:string]");
 188         sink.para()->text(L"Plays compressed flash templates (.ct files). The file should reside under the media folder.");
 189         sink.para()->text(L"A ct file is a zip file containing a flash template (.ft), an XML file with template data and media files.");
 190         sink.para()->text(L"Examples:");
 191         sink.example(L">> PLAY 1-10 folder/ct_file");
 192 }
 193
 194 spl::shared_ptr<core::frame_producer> create_ct_producer(
 195                 const core::frame_producer_dependencies& dependencies,
 196                 const std::vector<std::wstring>& params)
 197 {
 198         if (params.empty() || !boost::filesystem::exists(get_absolute(env::media_folder(), params.at(0)) + L".ct"))
 199                 return core::frame_producer::empty();
 200
 201         auto flash_producer = flash::create_producer(dependencies, {});
 202         auto producer = flash_producer;
 203         flash_cg_proxy(producer, env::media_folder()).add(0, params.at(0), true, L"", L"");
 204
 205         return producer;
 206 }
 207
 208 void init(core::module_dependencies dependencies)
 209 {
 210         dependencies.producer_registry->register_producer_factory(L"Flash Producer (.ct)", create_ct_producer, describe_ct_producer);
 211         dependencies.producer_registry->register_producer_factory(L"Flash Producer (.swf)", create_swf_producer, describe_swf_producer);
 212         dependencies.media_info_repo->register_extractor([](const std::wstring& file, const std::wstring& extension, core::media_info& info)
 213         {
 214                 if (extension != L".CT" && extension != L".SWF")
 215                         return false;
 216
 217                 info.clip_type = L"MOVIE";
 218
 219                 return true;
 220         });
 221         dependencies.system_info_provider_repo->register_system_info_provider([](boost::property_tree::wptree& info)
 222         {
 223                 info.add(L"system.flash", version());
 224         });
 225         dependencies.system_info_provider_repo->register_version_provider(L"FLASH", &version);
 226         dependencies.system_info_provider_repo->register_version_provider(L"TEMPLATEHOST", &cg_version);
 227         dependencies.cg_registry->register_cg_producer(
 228                         L"flash",
 229                         { L".ft", L".ct" },
 230                         [](const std::wstring& filename)
 231                         {
 232                                 return read_template_meta_info(filename);
 233                         },
 234                         [](const spl::shared_ptr<core::frame_producer>& producer)
 235                         {
 236                                 return spl::make_shared<flash_cg_proxy>(producer);
 237                         },
 238                         [](const core::frame_producer_dependencies& dependencies, const std::wstring&)
 239                         {
 240                                 return flash::create_producer(dependencies, { });
 241                         },
 242                         true
 243                 );
 244 }
 245
 246 std::wstring cg_version()
 247 {
 248         return L"Unknown";
 249 }
 250
 251 std::wstring version()
 252 {
 253         std::wstring version = L"Not found";
 254 #ifdef WIN32
 255         HKEY   hkey;
 256
 257         DWORD dwType, dwSize;
 258         if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Macromedia\\FlashPlayerActiveX"), 0, KEY_QUERY_VALUE, &hkey) == ERROR_SUCCESS)
 259         {
 260                 wchar_t ver_str[1024];
 261
 262                 dwType = REG_SZ;
 263                 dwSize = sizeof(ver_str);
 264                 RegQueryValueEx(hkey, TEXT("Version"), NULL, &dwType, (PBYTE)&ver_str, &dwSize);
 265
 266                 version = ver_str;
 267
 268                 RegCloseKey(hkey);
 269         }
 270 #endif
 271         return version;
 272 }
 273
 274 }}