git.sesse.net Git - casparcg/blob - modules/decklink/util/util.h

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20 #pragma once\r
  21 \r
  22 #include <common/exception/exceptions.h>\r
  23 #include <core/video_format.h>\r
  24 \r
  25 #include "../interop/DeckLinkAPI_h.h"\r
  26 \r
  27 #include <atlbase.h>\r
  28 \r
  29 namespace caspar { \r
  30         \r
  31 static BMDDisplayMode get_decklink_video_format(core::video_format::type fmt) \r
  32 {\r
  33         switch(fmt)\r
  34         {\r
  35         case core::video_format::pal:                   return bmdModePAL;\r
  36         case core::video_format::ntsc:                  return bmdModeNTSC;\r
  37         case core::video_format::x576p2500:             return (BMDDisplayMode)ULONG_MAX;\r
  38         case core::video_format::x720p2500:             return (BMDDisplayMode)ULONG_MAX;\r
  39         case core::video_format::x720p5000:             return bmdModeHD720p50;\r
  40         case core::video_format::x720p5994:             return bmdModeHD720p5994;\r
  41         case core::video_format::x720p6000:             return bmdModeHD720p60;\r
  42         case core::video_format::x1080p2397:    return bmdModeHD1080p2398;\r
  43         case core::video_format::x1080p2400:    return bmdModeHD1080p24;\r
  44         case core::video_format::x1080i5000:    return bmdModeHD1080i50;\r
  45         case core::video_format::x1080i5994:    return bmdModeHD1080i5994;\r
  46         case core::video_format::x1080i6000:    return bmdModeHD1080i6000;\r
  47         case core::video_format::x1080p2500:    return bmdModeHD1080p25;\r
  48         case core::video_format::x1080p2997:    return bmdModeHD1080p2997;\r
  49         case core::video_format::x1080p3000:    return bmdModeHD1080p30;\r
  50         default:                                                                return (BMDDisplayMode)ULONG_MAX;\r
  51         }\r
  52 }\r
  53         \r
  54 template<typename T>\r
  55 static CComPtr<IDeckLinkDisplayMode> get_display_mode(const T& device, BMDDisplayMode format)\r
  56 {\r
  57         CComPtr<IDeckLinkDisplayModeIterator> iterator;\r
  58         CComPtr<IDeckLinkDisplayMode>             mode;\r
  59         \r
  60         if(FAILED(device->GetDisplayModeIterator(&iterator)))\r
  61                 return nullptr;\r
  62 \r
  63         while(SUCCEEDED(iterator->Next(&mode)) && mode != nullptr)\r
  64         {       \r
  65                 if(mode->GetDisplayMode() == format)\r
  66                         return mode;\r
  67         }\r
  68 \r
  69         return nullptr;\r
  70 }\r
  71 \r
  72 template<typename T>\r
  73 static CComPtr<IDeckLinkDisplayMode> get_display_mode(const T& output, core::video_format::type fmt)\r
  74 {       \r
  75         return get_display_mode(output, get_decklink_video_format(fmt));\r
  76 }\r
  77 \r
  78 template<typename T>\r
  79 static std::wstring get_version(T& iterator)\r
  80 {\r
  81         CComQIPtr<IDeckLinkAPIInformation> info = iterator;\r
  82         if (!info)\r
  83                 return L"Unknown";\r
  84         \r
  85         BSTR ver;               \r
  86         info->GetString(BMDDeckLinkAPIVersion, &ver);\r
  87                 \r
  88         return ver;                                     \r
  89 }\r
  90 \r
  91 static CComPtr<IDeckLink> get_device(size_t device_index)\r
  92 {\r
  93         CComPtr<IDeckLinkIterator> pDecklinkIterator;\r
  94         if(FAILED(pDecklinkIterator.CoCreateInstance(CLSID_CDeckLinkIterator)))\r
  95                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("No Decklink drivers installed."));\r
  96                 \r
  97         size_t n = 0;\r
  98         CComPtr<IDeckLink> decklink;\r
  99         while(n < device_index && pDecklinkIterator->Next(&decklink) == S_OK){++n;}     \r
 100 \r
 101         if(n != device_index || !decklink)\r
 102                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Decklink card not found.") << arg_name_info("device_index") << arg_value_info(boost::lexical_cast<std::string>(device_index)));\r
 103                 \r
 104         return decklink;\r
 105 }\r
 106 \r
 107 template <typename T>\r
 108 static std::wstring get_model_name(const T& device)\r
 109 {       \r
 110         BSTR pModelName;\r
 111         device->GetModelName(&pModelName);\r
 112         return std::wstring(pModelName);\r
 113 }\r
 114 \r
 115 }