Aegisub/src/resolution_resampler.h

60 lines
1.8 KiB
C++

// Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include <string>
#include <vector>
class AssFile;
enum class ResampleARMode {
Stretch,
AddBorder,
RemoveBorder,
Manual
};
enum class YCbCrMatrix : int {
rgb,
tv_601,
pc_601,
tv_709,
pc_709,
tv_fcc,
pc_fcc,
tv_240m,
pc_240m
};
YCbCrMatrix MatrixFromString(std::string const& str);
std::string MatrixToString(YCbCrMatrix mat);
std::vector<std::string> MatrixNames();
/// Configuration parameters for a resample
struct ResampleSettings {
int margin[4]; ///< Amount to add to each margin
int source_x; ///< Original X resolution
int source_y; ///< Original Y resolution
int dest_x; ///< New X resolution
int dest_y; ///< New Y resolution
ResampleARMode ar_mode; ///< What to do if the old AR and new AR don't match
YCbCrMatrix source_matrix;
YCbCrMatrix dest_matrix;
};
/// Resample the subtitles in the project
/// @param file Subtitles to resample
/// @param settings Resample configuration settings
void ResampleResolution(AssFile *file, ResampleSettings settings);