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 <common/log/log.h>\r
  24 #include <core/video_format.h>\r
  25 \r
  26 #include "../interop/DeckLinkAPI_h.h"\r
  27 \r
  28 #include <boost/lexical_cast.hpp>\r
  29 \r
  30 #include <atlbase.h>\r
  31 \r
  32 #include <string>\r
  33 \r
  34 namespace caspar { namespace decklink {\r
  35         \r
  36 static BMDDisplayMode get_decklink_video_format(core::video_format::type fmt) \r
  37 {\r
  38         switch(fmt)\r
  39         {\r
  40         case core::video_format::pal:                   return bmdModePAL;\r
  41         case core::video_format::ntsc:                  return bmdModeNTSC;\r
  42         case core::video_format::x576p2500:             return (BMDDisplayMode)ULONG_MAX;\r
  43         case core::video_format::x720p2500:             return (BMDDisplayMode)ULONG_MAX;\r
  44         case core::video_format::x720p5000:             return bmdModeHD720p50;\r
  45         case core::video_format::x720p5994:             return bmdModeHD720p5994;\r
  46         case core::video_format::x720p6000:             return bmdModeHD720p60;\r
  47         case core::video_format::x1080p2397:    return bmdModeHD1080p2398;\r
  48         case core::video_format::x1080p2400:    return bmdModeHD1080p24;\r
  49         case core::video_format::x1080i5000:    return bmdModeHD1080i50;\r
  50         case core::video_format::x1080i5994:    return bmdModeHD1080i5994;\r
  51         case core::video_format::x1080i6000:    return bmdModeHD1080i6000;\r
  52         case core::video_format::x1080p2500:    return bmdModeHD1080p25;\r
  53         case core::video_format::x1080p2997:    return bmdModeHD1080p2997;\r
  54         case core::video_format::x1080p3000:    return bmdModeHD1080p30;\r
  55         case core::video_format::x1080p5000:    return bmdModeHD1080p50;\r
  56         default:                                                                return (BMDDisplayMode)ULONG_MAX;\r
  57         }\r
  58 }\r
  59 \r
  60 static core::video_format::type get_caspar_video_format(BMDDisplayMode fmt) \r
  61 {\r
  62         switch(fmt)\r
  63         {\r
  64         case bmdModePAL:                                                return core::video_format::pal;         \r
  65         case bmdModeNTSC:                                               return core::video_format::ntsc;                \r
  66         case bmdModeHD720p50:                                   return core::video_format::x720p5000;   \r
  67         case bmdModeHD720p5994:                                 return core::video_format::x720p5994;   \r
  68         case bmdModeHD720p60:                                   return core::video_format::x720p6000;   \r
  69         case bmdModeHD1080p2398:                                return core::video_format::x1080p2397;  \r
  70         case bmdModeHD1080p24:                                  return core::video_format::x1080p2400;  \r
  71         case bmdModeHD1080i50:                                  return core::video_format::x1080i5000;  \r
  72         case bmdModeHD1080i5994:                                return core::video_format::x1080i5994;  \r
  73         case bmdModeHD1080i6000:                                return core::video_format::x1080i6000;  \r
  74         case bmdModeHD1080p25:                                  return core::video_format::x1080p2500;  \r
  75         case bmdModeHD1080p2997:                                return core::video_format::x1080p2997;  \r
  76         case bmdModeHD1080p30:                                  return core::video_format::x1080p3000;  \r
  77         case bmdModeHD1080p50:                                  return core::video_format::x1080p5000;  \r
  78         default:                                                                return core::video_format::invalid;     \r
  79         }\r
  80 }\r
  81 \r
  82 template<typename T, typename F>\r
  83 BMDDisplayMode get_display_mode(const T& device, BMDDisplayMode format, BMDPixelFormat pix_fmt, F flag)\r
  84 {\r
  85         CComPtr<IDeckLinkDisplayModeIterator> iterator;\r
  86         CComPtr<IDeckLinkDisplayMode>             mode;\r
  87         \r
  88         if(SUCCEEDED(device->GetDisplayModeIterator(&iterator)))\r
  89         {\r
  90                 while(SUCCEEDED(iterator->Next(&mode)) && \r
  91                                 mode != nullptr && \r
  92                                 mode->GetDisplayMode() != format){}\r
  93         }\r
  94 \r
  95         if(!mode)\r
  96                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Device could not find requested video-format.") \r
  97                                                                                                  << arg_value_info(boost::lexical_cast<std::string>(format))\r
  98                                                                                                  << arg_name_info("format"));\r
  99                 \r
 100         BMDDisplayModeSupport displayModeSupport;\r
 101         if(FAILED(device->DoesSupportVideoMode(mode->GetDisplayMode(), pix_fmt, flag, &displayModeSupport, nullptr)) || displayModeSupport == bmdDisplayModeNotSupported)\r
 102                 CASPAR_LOG(warning) << L"Device does not support video-format.";\r
 103                 //BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Device does not support requested video-format.")\r
 104                 //                                                                               << arg_value_info(boost::lexical_cast<std::string>(format))\r
 105                 //                                                                               << arg_name_info("format"));\r
 106         else if(displayModeSupport == bmdDisplayModeSupportedWithConversion)\r
 107                 CASPAR_LOG(warning) << L"Device supports video-format with conversion.";\r
 108 \r
 109         return mode->GetDisplayMode();\r
 110 }\r
 111 \r
 112 template<typename T, typename F>\r
 113 static BMDDisplayMode get_display_mode(const T& device, core::video_format::type fmt, BMDPixelFormat pix_fmt, F flag)\r
 114 {       \r
 115         return get_display_mode(device, get_decklink_video_format(fmt), pix_fmt, flag);\r
 116 }\r
 117 \r
 118 template<typename T>\r
 119 static std::wstring get_version(T& iterator)\r
 120 {\r
 121         CComQIPtr<IDeckLinkAPIInformation> info = iterator;\r
 122         if (!info)\r
 123                 return L"Unknown";\r
 124         \r
 125         BSTR ver;               \r
 126         info->GetString(BMDDeckLinkAPIVersion, &ver);\r
 127                 \r
 128         return ver;                                     \r
 129 }\r
 130 \r
 131 static CComPtr<IDeckLink> get_device(size_t device_index)\r
 132 {\r
 133         CComPtr<IDeckLinkIterator> pDecklinkIterator;\r
 134         if(FAILED(pDecklinkIterator.CoCreateInstance(CLSID_CDeckLinkIterator)))\r
 135                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Decklink drivers not found."));\r
 136                 \r
 137         size_t n = 0;\r
 138         CComPtr<IDeckLink> decklink;\r
 139         while(n < device_index && pDecklinkIterator->Next(&decklink) == S_OK){++n;}     \r
 140 \r
 141         if(n != device_index || !decklink)\r
 142                 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
 143                 \r
 144         return decklink;\r
 145 }\r
 146 \r
 147 template <typename T>\r
 148 static std::wstring get_model_name(const T& device)\r
 149 {       \r
 150         BSTR pModelName;\r
 151         device->GetModelName(&pModelName);\r
 152         return std::wstring(pModelName);\r
 153 }\r
 154 \r
 155 }}