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 static core::video_format::type get_caspar_video_format(BMDDisplayMode fmt) \r
  55 {\r
  56         switch(fmt)\r
  57         {\r
  58         case bmdModePAL:                                                return core::video_format::pal;         \r
  59         case bmdModeNTSC:                                               return core::video_format::ntsc;                \r
  60         case bmdModeHD720p50:                                   return core::video_format::x720p5000;   \r
  61         case bmdModeHD720p5994:                                 return core::video_format::x720p5994;   \r
  62         case bmdModeHD720p60:                                   return core::video_format::x720p6000;   \r
  63         case bmdModeHD1080p2398:                                return core::video_format::x1080p2397;  \r
  64         case bmdModeHD1080p24:                                  return core::video_format::x1080p2400;  \r
  65         case bmdModeHD1080i50:                                  return core::video_format::x1080i5000;  \r
  66         case bmdModeHD1080i5994:                                return core::video_format::x1080i5994;  \r
  67         case bmdModeHD1080i6000:                                return core::video_format::x1080i6000;  \r
  68         case bmdModeHD1080p25:                                  return core::video_format::x1080p2500;  \r
  69         case bmdModeHD1080p2997:                                return core::video_format::x1080p2997;  \r
  70         case bmdModeHD1080p30:                                  return core::video_format::x1080p3000;  \r
  71         default:                                                                return core::video_format::invalid;     \r
  72         }\r
  73 }\r
  74 \r
  75 template<typename T, typename F>\r
  76 BMDDisplayMode get_display_mode(const T& device, BMDDisplayMode format, BMDPixelFormat pix_fmt, F flag)\r
  77 {\r
  78         CComPtr<IDeckLinkDisplayModeIterator> iterator;\r
  79         CComPtr<IDeckLinkDisplayMode>             mode;\r
  80         \r
  81         if(SUCCEEDED(device->GetDisplayModeIterator(&iterator)))\r
  82         {\r
  83                 while(SUCCEEDED(iterator->Next(&mode)) && \r
  84                                 mode != nullptr && \r
  85                                 mode->GetDisplayMode() != format){}\r
  86         }\r
  87 \r
  88         if(!mode)\r
  89                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Device could not find requested video-format.") \r
  90                                                                                                  << arg_value_info(boost::lexical_cast<std::string>(format))\r
  91                                                                                                  << arg_name_info("format"));\r
  92                 \r
  93         BMDDisplayModeSupport displayModeSupport;\r
  94         if(FAILED(device->DoesSupportVideoMode(mode->GetDisplayMode(), pix_fmt, flag, &displayModeSupport, nullptr)) || displayModeSupport == bmdDisplayModeNotSupported)\r
  95                 CASPAR_LOG(warning) << L"Device does not support video-format.";\r
  96                 //BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Device does not support requested video-format.")\r
  97                 //                                                                               << arg_value_info(boost::lexical_cast<std::string>(format))\r
  98                 //                                                                               << arg_name_info("format"));\r
  99         else if(displayModeSupport == bmdDisplayModeSupportedWithConversion)\r
 100                 CASPAR_LOG(warning) << L"Device supports video-format with conversion.";\r
 101 \r
 102         return mode->GetDisplayMode();\r
 103 }\r
 104 \r
 105 template<typename T, typename F>\r
 106 static BMDDisplayMode get_display_mode(const T& device, core::video_format::type fmt, BMDPixelFormat pix_fmt, F flag)\r
 107 {       \r
 108         return get_display_mode(device, get_decklink_video_format(fmt), pix_fmt, flag);\r
 109 }\r
 110 \r
 111 template<typename T>\r
 112 static std::wstring get_version(T& iterator)\r
 113 {\r
 114         CComQIPtr<IDeckLinkAPIInformation> info = iterator;\r
 115         if (!info)\r
 116                 return L"Unknown";\r
 117         \r
 118         BSTR ver;               \r
 119         info->GetString(BMDDeckLinkAPIVersion, &ver);\r
 120                 \r
 121         return ver;                                     \r
 122 }\r
 123 \r
 124 static CComPtr<IDeckLink> get_device(size_t device_index)\r
 125 {\r
 126         CComPtr<IDeckLinkIterator> pDecklinkIterator;\r
 127         if(FAILED(pDecklinkIterator.CoCreateInstance(CLSID_CDeckLinkIterator)))\r
 128                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("No Decklink drivers installed."));\r
 129                 \r
 130         size_t n = 0;\r
 131         CComPtr<IDeckLink> decklink;\r
 132         while(n < device_index && pDecklinkIterator->Next(&decklink) == S_OK){++n;}     \r
 133 \r
 134         if(n != device_index || !decklink)\r
 135                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Decklink device not found.") << arg_name_info("device_index") << arg_value_info(boost::lexical_cast<std::string>(device_index)));\r
 136                 \r
 137         return decklink;\r
 138 }\r
 139 \r
 140 template <typename T>\r
 141 static std::wstring get_model_name(const T& device)\r
 142 {       \r
 143         BSTR pModelName;\r
 144         device->GetModelName(&pModelName);\r
 145         return std::wstring(pModelName);\r
 146 }\r
 147 \r
 148 }