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

   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 #include "StdAfx.h"
  23
  24 #include "video_format.h"
  25
  26 #include <boost/algorithm/string.hpp>
  27 #include <boost/assign.hpp>
  28
  29 namespace caspar { namespace core {
  30
  31 const std::vector<video_format_desc> format_descs = boost::assign::list_of
  32         (video_format_desc(video_format::pal,                    720,  576, 1024, 576,  field_mode::upper,                         25,     1, L"PAL",           boost::assign::list_of<int>(3840)))
  33         (video_format_desc(video_format::ntsc,                   720,  486,  720, 540,  field_mode::lower,                      30000,  1001, L"NTSC",          boost::assign::list_of<int>(3204)(3202)(3204)(3202)(3204)))
  34         (video_format_desc(video_format::x576p2500,              720,  576,  720, 576,  field_mode::progressive,           25,     1, L"576p2500",      boost::assign::list_of<int>(3840)                                               ))
  35         (video_format_desc(video_format::x720p2500,             1280,  720, 1280, 720,  field_mode::progressive,           25,     1, L"720p2500",      boost::assign::list_of<int>(3840)                                               ))
  36         (video_format_desc(video_format::x720p5000,             1280,  720, 1280, 720,  field_mode::progressive,           50,     1, L"720p5000",      boost::assign::list_of<int>(1920)                                               ))
  37         (video_format_desc(video_format::x720p5994,             1280,  720, 1280, 720,  field_mode::progressive,        60000,  1001, L"720p5994",      boost::assign::list_of<int>(1602)(1601)(1602)(1601)(1602)))
  38         (video_format_desc(video_format::x720p6000,             1280,  720, 1280, 720,  field_mode::progressive,           60,     1, L"720p6000",      boost::assign::list_of<int>(1600)                                               ))
  39         (video_format_desc(video_format::x1080p2397,    1920, 1080, 1920, 1080, field_mode::progressive,        24000,  1001, L"1080p2398",     boost::assign::list_of<int>(4004)                                               ))
  40         (video_format_desc(video_format::x1080p2400,    1920, 1080, 1920, 1080, field_mode::progressive,           24,     1, L"1080p2400",     boost::assign::list_of<int>(4000)                                               ))
  41         (video_format_desc(video_format::x1080i5000,    1920, 1080, 1920, 1080, field_mode::upper,                         25,     1, L"1080i5000",     boost::assign::list_of<int>(3840)                                               ))
  42         (video_format_desc(video_format::x1080i5994,    1920, 1080, 1920, 1080, field_mode::upper,                      30000,  1001, L"1080i5994",     boost::assign::list_of<int>(3204)(3202)(3204)(3202)(3204)))
  43         (video_format_desc(video_format::x1080i6000,    1920, 1080, 1920, 1080, field_mode::upper,                         30,     1, L"1080i6000",     boost::assign::list_of<int>(3200)                                               ))
  44         (video_format_desc(video_format::x1080p2500,    1920, 1080, 1920, 1080, field_mode::progressive,           25,     1, L"1080p2500",     boost::assign::list_of<int>(3840)                                               ))
  45         (video_format_desc(video_format::x1080p2997,    1920, 1080, 1920, 1080, field_mode::progressive,        30000,  1001, L"1080p2997",     boost::assign::list_of<int>(3204)(3202)(3204)(3202)(3204)))
  46         (video_format_desc(video_format::x1080p3000,    1920, 1080, 1920, 1080, field_mode::progressive,           30,     1, L"1080p3000",     boost::assign::list_of<int>(3200)                                               ))
  47         (video_format_desc(video_format::x1080p5000,    1920, 1080, 1920, 1080, field_mode::progressive,           50,     1, L"1080p5000",     boost::assign::list_of<int>(1920)                                               ))
  48         (video_format_desc(video_format::invalid,                  0,    0,    0,        0, field_mode::progressive,        1,     1, L"invalid",       boost::assign::list_of<int>(1)                                                  ));
  49
  50 video_format_desc::video_format_desc(video_format format,
  51                                         int width,
  52                                         int height,
  53                                         int square_width,
  54                                         int square_height,
  55                                         core::field_mode field_mode,
  56                                         int time_scale,
  57                                         int duration,
  58                                         const std::wstring& name,
  59                                         const std::vector<int>& audio_cadence)
  60         : format(format)
  61         , width(width)
  62         , height(height)
  63         , square_width(square_width)
  64         , square_height(square_height)
  65         , field_mode(field_mode)
  66         , fps((double)time_scale/(double)duration)
  67         , time_scale(time_scale)
  68         , duration(duration)
  69         , field_count(field_mode == field_mode::progressive ? 1 : 2)
  70         , size(width*height*4)
  71         , name(name)
  72         , audio_sample_rate(48000)
  73         , audio_channels(2)
  74         , audio_cadence(audio_cadence)
  75 {
  76 }
  77
  78 video_format_desc::video_format_desc(video_format format)
  79         : format(video_format::invalid)
  80         , field_mode(field_mode::empty)
  81 {
  82         *this = format_descs.at(format.value());
  83 }
  84
  85 video_format_desc::video_format_desc(const std::wstring& name)
  86         : format(video_format::invalid)
  87         , field_mode(field_mode::empty)
  88 {
  89         *this = video_format_desc(video_format::invalid);
  90         for(auto it = std::begin(format_descs); it != std::end(format_descs)-1; ++it)
  91         {
  92                 if(boost::iequals(it->name, name))
  93                 {
  94                         *this = *it;
  95                         break;
  96                 }
  97         }
  98 }
  99
 100 bool operator==(const video_format_desc& lhs, const video_format_desc& rhs)
 101 {
 102         return lhs.format == rhs.format;
 103 }
 104
 105 bool operator!=(const video_format_desc& lhs, const video_format_desc& rhs)
 106 {
 107         return !(lhs == rhs);
 108 }
 109
 110 std::wostream& operator<<(std::wostream& out, const video_format_desc& format_desc)
 111 {
 112         out << format_desc.name.c_str();
 113         return out;
 114 }
 115
 116
 117 }}
 118