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

   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 #pragma once
  23
  24 #include <vector>
  25 #include <string>
  26 #include <cstddef>
  27
  28 #include <common/enum_class.h>
  29
  30 namespace caspar { namespace core {
  31
  32 enum class video_format
  33 {
  34         pal,
  35         ntsc,
  36         x576p2500,
  37         x720p2500,
  38         x720p5000,
  39         x720p2398,
  40         x720p2400,
  41         x720p2997,
  42         x720p5994,
  43         x720p3000,
  44         x720p6000,
  45         x1080p2398,
  46         x1080p2400,
  47         x1080i5000,
  48         x1080i5994,
  49         x1080i6000,
  50         x1080p2500,
  51         x1080p2997,
  52         x1080p3000,
  53         x1080p5000,
  54         x1080p5994,
  55         x1080p6000,
  56         x2k2398,
  57         x2k2400,
  58         x2k2500,
  59         x4k2398,
  60         x4k2400,
  61         x4k2500,
  62         x4k2997,
  63         x4k3000,
  64         invalid,
  65         count
  66 };
  67
  68 enum class field_mode
  69 {
  70         empty           = 0,
  71         lower           = 1,
  72         upper           = 2,
  73         progressive = 3 // NOTE: progressive == lower | upper;
  74 };
  75 ENUM_ENABLE_BITWISE(field_mode);
  76 //static_assert((field_mode::lower | field_mode::upper) == field_mode::progressive, "");
  77
  78 struct video_format_desc final
  79 {
  80         video_format            format;
  81
  82         int                                     width;
  83         int                                     height;
  84         int                                     square_width;
  85         int                                     square_height;
  86         core::field_mode        field_mode;     // progressive, interlaced upper field first, interlaced lower field first
  87         double                          fps;            // actual framerate = duration/time_scale, e.g. i50 = 25 fps, p50 = 50 fps
  88         int                                     time_scale;
  89         int                                     duration;
  90         int                                     field_count;
  91         std::size_t                     size;           // frame size in bytes
  92         std::wstring            name;           // name of output format
  93
  94         int                                     audio_sample_rate;
  95         int                                     audio_channels;
  96         std::vector<int>        audio_cadence;  // rotating optimal number of samples per frame
  97
  98         video_format_desc(video_format format,
  99                                           int width,
 100                                           int height,
 101                                           int square_width,
 102                                           int square_height,
 103                                           core::field_mode field_mode,
 104                                           int time_scale,
 105                                           int duration,
 106                                           const std::wstring& name,
 107                                           const std::vector<int>& audio_cadence);
 108
 109         video_format_desc(video_format format = video_format::invalid);
 110         video_format_desc(const std::wstring& name);
 111 };
 112
 113 bool operator==(const video_format_desc& rhs, const video_format_desc& lhs);
 114 bool operator!=(const video_format_desc& rhs, const video_format_desc& lhs);
 115
 116 std::wostream& operator<<(std::wostream& out, const video_format_desc& format_desc);
 117
 118 }}