mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-15 06:41:27 +00:00
88 lines
2.5 KiB
C++
88 lines
2.5 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
|
|
|
|
resample.h
|
|
*/
|
|
|
|
#ifndef ___RESAMPLE_H_
|
|
#define ___RESAMPLE_H_
|
|
|
|
#include <stdint.h>
|
|
#include "sysdep.h"
|
|
|
|
namespace TimidityPlus
|
|
{
|
|
|
|
|
|
typedef int32_t resample_t;
|
|
|
|
enum {
|
|
RESAMPLE_CSPLINE,
|
|
RESAMPLE_LAGRANGE,
|
|
RESAMPLE_GAUSS,
|
|
RESAMPLE_NEWTON,
|
|
RESAMPLE_LINEAR,
|
|
RESAMPLE_NONE
|
|
};
|
|
|
|
extern void initialize_resampler_coeffs(void);
|
|
extern void free_gauss_table(void);
|
|
|
|
typedef struct resample_rec {
|
|
splen_t loop_start;
|
|
splen_t loop_end;
|
|
splen_t data_length;
|
|
} resample_rec_t;
|
|
|
|
extern resample_t do_resamplation(sample_t *src, splen_t ofs, resample_rec_t *rec);
|
|
|
|
extern void pre_resample(Sample *sp);
|
|
class Player;
|
|
|
|
class Resampler // This is only here to put the buffer on the stack without changing all the code.
|
|
{
|
|
Player *player;
|
|
resample_t resample_buffer[AUDIO_BUFFER_SIZE] = { 0 };
|
|
int resample_buffer_offset = 0;
|
|
|
|
resample_t *rs_plain_c(int v, int32_t *countptr);
|
|
resample_t *rs_plain(int v, int32_t *countptr);
|
|
resample_t *rs_loop_c(Voice *vp, int32_t count);
|
|
resample_t *rs_loop(Voice *vp, int32_t count);
|
|
resample_t *rs_bidir(Voice *vp, int32_t count);
|
|
resample_t *rs_vib_plain(int v, int32_t *countptr);
|
|
resample_t *rs_vib_loop(Voice *vp, int32_t count);
|
|
resample_t *rs_vib_bidir(Voice *vp, int32_t count);
|
|
resample_t *porta_resample_voice(int v, int32_t *countptr, int mode);
|
|
resample_t *normal_resample_voice(int v, int32_t *countptr, int mode);
|
|
resample_t *vib_resample_voice(int v, int32_t *countptr, int mode);
|
|
int rs_update_porta(int v);
|
|
int32_t update_vibrato(Voice *vp, int sign);
|
|
|
|
public:
|
|
Resampler(Player *p)
|
|
{
|
|
player = p;
|
|
}
|
|
resample_t * resample_voice(int v, int32_t *countptr);
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* ___RESAMPLE_H_ */
|