mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-30 21:31:03 +00:00
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
|
/*
|
||
|
|
TiMidity++ -- MIDI to WAVE converter and player
|
||
|
|
Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
|
||
|
|
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace TimidityPlus
|
||
|
|
{
|
||
|
|
|
||
|
|
extern const float pitch_freq_table[129];
|
||
|
|
extern const float pitch_freq_ub_table[129];
|
||
|
|
extern const float pitch_freq_lb_table[129];
|
||
|
|
extern const int chord_table[4][3][3];
|
||
|
|
|
||
|
|
extern int assign_pitch_to_freq(float freq);
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
CHORD_MAJOR = 0,
|
||
|
|
CHORD_MINOR = 3,
|
||
|
|
CHORD_DIM = 6,
|
||
|
|
CHORD_FIFTH = 9,
|
||
|
|
LOWEST_PITCH = 0,
|
||
|
|
HIGHEST_PITCH = 127
|
||
|
|
};
|
||
|
|
|
||
|
|
struct Sample;
|
||
|
|
|
||
|
|
class Freq
|
||
|
|
{
|
||
|
|
std::vector<float> floatData;
|
||
|
|
std::vector<float> magData;
|
||
|
|
std::vector<float> pruneMagData;
|
||
|
|
std::vector<int> ipa;
|
||
|
|
std::vector<float> wa;
|
||
|
|
std::vector<int> fft1BinToPitch;
|
||
|
|
uint32_t oldfftsize = 0;
|
||
|
|
float pitchmags[129] = { 0 };
|
||
|
|
double pitchbins[129] = { 0 };
|
||
|
|
double new_pitchbins[129] = { 0 };
|
||
|
|
|
||
|
|
int assign_chord(double *pitchbins, int *chord, int min_guesspitch, int max_guesspitch, int root_pitch);
|
||
|
|
int freq_initialize_fft_arrays(Sample *sp);
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
float freq_fourier(Sample *sp, int *chord);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|