git.sesse.net Git - casparcg/blob - core/video_format.h

   1 /*\r
   2 * Copyright 2013 Sveriges Television AB http://casparcg.com/\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\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 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #pragma once\r
  23 \r
  24 #include <vector>\r
  25 #include <string>\r
  26 \r
  27 namespace caspar { namespace core {\r
  28         \r
  29 struct video_format \r
  30 { \r
  31         enum type\r
  32         {\r
  33                 pal = 0,\r
  34                 ntsc,\r
  35                 x576p2500,\r
  36                 x720p2500,\r
  37                 x720p5000,\r
  38                 x720p2398,\r
  39                 x720p2400,\r
  40                 x720p2997,\r
  41                 x720p5994,\r
  42                 x720p3000,\r
  43                 x720p6000,\r
  44                 x1080p2398,\r
  45                 x1080p2400,\r
  46                 x1080i5000,\r
  47                 x1080i5994,\r
  48                 x1080i6000,\r
  49                 x1080p2500,\r
  50                 x1080p2997,\r
  51                 x1080p3000,\r
  52                 x1080p5000,\r
  53                 x1080p5994,\r
  54                 x1080p6000,\r
  55                 x1556p2398,\r
  56                 x1556p2400,\r
  57                 x1556p2500,\r
  58                 x2160p2398,\r
  59                 x2160p2400,\r
  60                 x2160p2500,\r
  61                 x2160p2997,\r
  62                 x2160p3000,\r
  63                 invalid,\r
  64                 count\r
  65         };\r
  66 };\r
  67 \r
  68 struct field_mode \r
  69 { \r
  70         enum type\r
  71         {\r
  72                 empty           = 0,\r
  73                 lower           = 1,\r
  74                 upper           = 2,\r
  75                 progressive = 3 // NOTE: progressive == lower | upper;\r
  76         };\r
  77 \r
  78         static std::wstring print(field_mode::type value)\r
  79         {\r
  80                 switch(value)\r
  81                 {\r
  82                         case progressive:\r
  83                                 return L"progressive"; \r
  84                         case lower:\r
  85                                 return L"lower";\r
  86                         case upper:\r
  87                                 return L"upper";\r
  88                         default:\r
  89                                 return L"invalid";\r
  90                 }\r
  91         }\r
  92 };\r
  93 \r
  94 struct video_format_desc\r
  95 {\r
  96         video_format::type              format;         // video output format\r
  97 \r
  98         size_t                                  width;          // output frame width\r
  99         size_t                                  height;         // output frame height\r
 100         size_t                                  square_width;\r
 101         size_t                                  square_height;\r
 102         field_mode::type                field_mode;     // progressive, interlaced upper field first, interlaced lower field first\r
 103         double                                  fps;            // actual framerate, e.g. i50 = 25 fps, p50 = 50 fps\r
 104         size_t                                  time_scale;\r
 105         size_t                                  duration;\r
 106         size_t                                  field_count;\r
 107         size_t                                  size;           // output frame size in bytes \r
 108         std::wstring                    name;           // name of output format\r
 109 \r
 110         size_t                                  audio_sample_rate;\r
 111         std::vector<size_t>             audio_cadence; // rotating optimal number of samples per frame\r
 112 \r
 113         static const video_format_desc& get(video_format::type format);\r
 114         static const video_format_desc& get(const std::wstring& name);\r
 115         \r
 116         bool operator==(const video_format_desc& lhs)\r
 117         {\r
 118                 return format == lhs.format;\r
 119         }\r
 120 \r
 121         bool operator!=(const video_format_desc& lhs)\r
 122         {\r
 123                 return !(*this == lhs);\r
 124         }\r
 125 };\r
 126 \r
 127 inline std::wostream& operator<<(std::wostream& out, const video_format_desc& format_desc)\r
 128 {\r
 129         out << format_desc.name.c_str();\r
 130         return out;\r
 131 }\r
 132 \r
 133 }}