#include <boost/algorithm/string.hpp>
namespace caspar { namespace core {
-
+
const std::vector<video_format_desc> format_descs = {
- { video_format::pal, 720, 576, 1024, 576, field_mode::upper, 25, 1, L"PAL", { 1920 } },
+ { video_format::pal, 720, 576, 1024, 576, field_mode::upper, 25000, 1000, L"PAL", { 1920 } },
{ video_format::ntsc, 720, 486, 720, 540, field_mode::lower, 30000, 1001, L"NTSC", { 1602, 1601, 1602, 1601, 1602 } },
- { video_format::x576p2500, 720, 576, 1024, 576, field_mode::progressive, 25, 1, L"576p2500", { 1920 } },
+ { video_format::x576p2500, 720, 576, 1024, 576, field_mode::progressive, 25000, 1000, L"576p2500", { 1920 } },
{ video_format::x720p2398, 1280, 720, 1280, 720, field_mode::progressive, 24000, 1001, L"720p2398", { 2002 } },
- { video_format::x720p2400, 1280, 720, 1280, 720, field_mode::progressive, 24, 1, L"720p2400", { 2000 } },
- { video_format::x720p2500, 1280, 720, 1280, 720, field_mode::progressive, 25, 1, L"720p2500", { 1920 } },
- { video_format::x720p5000, 1280, 720, 1280, 720, field_mode::progressive, 50, 1, L"720p5000", { 960 } },
+ { video_format::x720p2400, 1280, 720, 1280, 720, field_mode::progressive, 24000, 1000, L"720p2400", { 2000 } },
+ { video_format::x720p2500, 1280, 720, 1280, 720, field_mode::progressive, 25000, 1000, L"720p2500", { 1920 } },
+ { video_format::x720p5000, 1280, 720, 1280, 720, field_mode::progressive, 50000, 1000, L"720p5000", { 960 } },
{ video_format::x720p2997, 1280, 720, 1280, 720, field_mode::progressive, 30000, 1001, L"720p2997", { 1602, 1601, 1602, 1601, 1602 } },
{ video_format::x720p5994, 1280, 720, 1280, 720, field_mode::progressive, 60000, 1001, L"720p5994", { 801, 800, 801, 801, 801 } },
- { video_format::x720p3000, 1280, 720, 1280, 720, field_mode::progressive, 30, 1, L"720p3000", { 1600 } },
- { video_format::x720p6000, 1280, 720, 1280, 720, field_mode::progressive, 60, 1, L"720p6000", { 800 } },
+ { video_format::x720p3000, 1280, 720, 1280, 720, field_mode::progressive, 30000, 1000, L"720p3000", { 1600 } },
+ { video_format::x720p6000, 1280, 720, 1280, 720, field_mode::progressive, 60000, 1000, L"720p6000", { 800 } },
{ video_format::x1080p2398, 1920, 1080, 1920, 1080, field_mode::progressive, 24000, 1001, L"1080p2398", { 2002 } },
- { video_format::x1080p2400, 1920, 1080, 1920, 1080, field_mode::progressive, 24, 1, L"1080p2400", { 2000 } },
- { video_format::x1080i5000, 1920, 1080, 1920, 1080, field_mode::upper, 25, 1, L"1080i5000", { 1920 } },
+ { video_format::x1080p2400, 1920, 1080, 1920, 1080, field_mode::progressive, 24000, 1000, L"1080p2400", { 2000 } },
+ { video_format::x1080i5000, 1920, 1080, 1920, 1080, field_mode::upper, 25000, 1000, L"1080i5000", { 1920 } },
{ video_format::x1080i5994, 1920, 1080, 1920, 1080, field_mode::upper, 30000, 1001, L"1080i5994", { 1602, 1601, 1602, 1601, 1602 } },
- { video_format::x1080i6000, 1920, 1080, 1920, 1080, field_mode::upper, 30, 1, L"1080i6000", { 1600 } },
- { video_format::x1080p2500, 1920, 1080, 1920, 1080, field_mode::progressive, 25, 1, L"1080p2500", { 1920 } },
+ { video_format::x1080i6000, 1920, 1080, 1920, 1080, field_mode::upper, 30000, 1000, L"1080i6000", { 1600 } },
+ { video_format::x1080p2500, 1920, 1080, 1920, 1080, field_mode::progressive, 25000, 1000, L"1080p2500", { 1920 } },
{ video_format::x1080p2997, 1920, 1080, 1920, 1080, field_mode::progressive, 30000, 1001, L"1080p2997", { 1602, 1601, 1602, 1601, 1602 } },
- { video_format::x1080p3000, 1920, 1080, 1920, 1080, field_mode::progressive, 30, 1, L"1080p3000", { 1600 } },
- { video_format::x1080p5000, 1920, 1080, 1920, 1080, field_mode::progressive, 50, 1, L"1080p5000", { 960 } },
+ { video_format::x1080p3000, 1920, 1080, 1920, 1080, field_mode::progressive, 30000, 1000, L"1080p3000", { 1600 } },
+ { video_format::x1080p5000, 1920, 1080, 1920, 1080, field_mode::progressive, 50000, 1000, L"1080p5000", { 960 } },
{ video_format::x1080p5994, 1920, 1080, 1920, 1080, field_mode::progressive, 60000, 1001, L"1080p5994", { 801, 800, 801, 801, 801 } },
- { video_format::x1080p6000, 1920, 1080, 1920, 1080, field_mode::progressive, 60, 1, L"1080p6000", { 800 } },
+ { video_format::x1080p6000, 1920, 1080, 1920, 1080, field_mode::progressive, 60000, 1000, L"1080p6000", { 800 } },
{ video_format::x1556p2398, 2048, 1556, 2048, 1556, field_mode::progressive, 24000, 1001, L"1556p2398", { 2002 } },
- { video_format::x1556p2400, 2048, 1556, 2048, 1556, field_mode::progressive, 24, 1, L"1556p2400", { 2000 } },
- { video_format::x1556p2500, 2048, 1556, 2048, 1556, field_mode::progressive, 25, 1, L"1556p2500", { 1920 } },
+ { video_format::x1556p2400, 2048, 1556, 2048, 1556, field_mode::progressive, 24000, 1000, L"1556p2400", { 2000 } },
+ { video_format::x1556p2500, 2048, 1556, 2048, 1556, field_mode::progressive, 25000, 1000, L"1556p2500", { 1920 } },
{ video_format::dci1080p2398, 2048, 1080, 2048, 1080, field_mode::progressive, 24000, 1001, L"dci1080p2398", { 2002 } },
- { video_format::dci1080p2400, 2048, 1080, 2048, 1080, field_mode::progressive, 24, 1, L"dci1080p2400", { 2000 } },
- { video_format::dci1080p2500, 2048, 1080, 2048, 1080, field_mode::progressive, 25, 1, L"dci1080p2500", { 1920 } },
+ { video_format::dci1080p2400, 2048, 1080, 2048, 1080, field_mode::progressive, 24000, 1000, L"dci1080p2400", { 2000 } },
+ { video_format::dci1080p2500, 2048, 1080, 2048, 1080, field_mode::progressive, 25000, 1000, L"dci1080p2500", { 1920 } },
{ video_format::x2160p2398, 3840, 2160, 3840, 2160, field_mode::progressive, 24000, 1001, L"2160p2398", { 2002 } },
- { video_format::x2160p2400, 3840, 2160, 3840, 2160, field_mode::progressive, 24, 1, L"2160p2400", { 2000 } },
- { video_format::x2160p2500, 3840, 2160, 3840, 2160, field_mode::progressive, 25, 1, L"2160p2500", { 1920 } },
+ { video_format::x2160p2400, 3840, 2160, 3840, 2160, field_mode::progressive, 24000, 1000, L"2160p2400", { 2000 } },
+ { video_format::x2160p2500, 3840, 2160, 3840, 2160, field_mode::progressive, 25000, 1000, L"2160p2500", { 1920 } },
{ video_format::x2160p2997, 3840, 2160, 3840, 2160, field_mode::progressive, 30000, 1001, L"2160p2997", { 1602, 1601, 1602, 1601, 1602 } },
- { video_format::x2160p3000, 3840, 2160, 3840, 2160, field_mode::progressive, 30, 1, L"2160p3000", { 1600 } },
+ { video_format::x2160p3000, 3840, 2160, 3840, 2160, field_mode::progressive, 30000, 1000, L"2160p3000", { 1600 } },
+ { video_format::x2160p5000, 3840, 2160, 3840, 2160, field_mode::progressive, 50000, 1000, L"2160p5000", { 960 } },
+ { video_format::x2160p5994, 3840, 2160, 3840, 2160, field_mode::progressive, 60000, 1001, L"2160p5994", { 801, 800, 801, 801, 801 } },
+ { video_format::x2160p6000, 3840, 2160, 3840, 2160, field_mode::progressive, 60000, 1000, L"2160p6000", { 800 } },
{ video_format::dci2160p2398, 4096, 2160, 4096, 2160, field_mode::progressive, 24000, 1001, L"dci2160p2398", { 2002 } },
- { video_format::dci2160p2400, 4096, 2160, 4096, 2160, field_mode::progressive, 24, 1, L"dci2160p2400", { 2000 } },
- { video_format::dci2160p2500, 4096, 2160, 4096, 2160, field_mode::progressive, 25, 1, L"dci2160p2500", { 1920 } },
+ { video_format::dci2160p2400, 4096, 2160, 4096, 2160, field_mode::progressive, 24000, 1000, L"dci2160p2400", { 2000 } },
+ { video_format::dci2160p2500, 4096, 2160, 4096, 2160, field_mode::progressive, 25000, 1000, L"dci2160p2500", { 1920 } },
{ video_format::invalid, 0, 0, 0, 0, field_mode::progressive, 1, 1, L"invalid", { 1 } }
};
, square_height(square_height)
, field_mode(field_mode)
, fps(static_cast<double>(time_scale) / static_cast<double>(duration))
+ , framerate(time_scale, duration)
, time_scale(time_scale)
, duration(duration)
, field_count(field_mode == core::field_mode::progressive ? 1 : 2)
, size(width*height*4)
, name(name)
, audio_sample_rate(48000)
- , audio_channels(2)
, audio_cadence(audio_cadence)
{
}
video_format_desc::video_format_desc(const std::wstring& name)
: format(video_format::invalid)
, field_mode(core::field_mode::empty)
-{
+{
*this = video_format_desc(video_format::invalid);
for(auto it = std::begin(format_descs); it != std::end(format_descs)-1; ++it)
{
}
bool operator==(const video_format_desc& lhs, const video_format_desc& rhs)
-{
+{
return lhs.format == rhs.format;
}
return out;
}
+std::vector<int> find_audio_cadence(const boost::rational<int>& framerate, bool log_quiet)
+{
+ static std::map<boost::rational<int>, std::vector<int>> CADENCES_BY_FRAMERATE = []
+ {
+ std::map<boost::rational<int>, std::vector<int>> result;
-}}
+ for (core::video_format format : enum_constants<core::video_format>())
+ {
+ core::video_format_desc desc(format);
+ boost::rational<int> format_rate(desc.time_scale, desc.duration);
+
+ result.insert(std::make_pair(format_rate, desc.audio_cadence));
+ }
+
+ return result;
+ }();
+
+ auto exact_match = CADENCES_BY_FRAMERATE.find(framerate);
+
+ if (exact_match != CADENCES_BY_FRAMERATE.end())
+ return exact_match->second;
+ boost::rational<int> closest_framerate_diff = std::numeric_limits<int>::max();
+ boost::rational<int> closest_framerate = 0;
+
+ for (auto format_framerate : CADENCES_BY_FRAMERATE | boost::adaptors::map_keys)
+ {
+ auto diff = boost::abs(framerate - format_framerate);
+
+ if (diff < closest_framerate_diff)
+ {
+ closest_framerate_diff = diff;
+ closest_framerate = format_framerate;
+ }
+ }
+
+ if (log_quiet)
+ CASPAR_LOG(debug) << "No exact audio cadence match found for framerate " << to_string(framerate)
+ << "\nClosest match is " << to_string(closest_framerate)
+ << "\nwhich is a " << to_string(closest_framerate_diff) << " difference.";
+ else
+ CASPAR_LOG(warning) << "No exact audio cadence match found for framerate " << to_string(framerate)
+ << "\nClosest match is " << to_string(closest_framerate)
+ << "\nwhich is a " << to_string(closest_framerate_diff) << " difference.";
+
+ return CADENCES_BY_FRAMERATE[closest_framerate];
+}
+
+
+}}
projects / casparcg / blobdiff