furnace/src/engine/sample.h
tildearrow 1e98f0c4a1 sample system rewrite! **PLEASE READ**
this commit mostly rewrites the sample system.
as of now samples can be ADPCM, 8-bit, BRR or 16-bit
or something...

consider this VERY EXPERIMENTAL.
if you find any issues REPORT THEM immediately.

it's nearly 4am...
2022-02-24 03:57:45 -05:00

103 lines
2.7 KiB
C

/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 tildearrow and contributors
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "../ta-utils.h"
struct DivSample {
String name;
int rate, centerRate, loopStart, loopOffP;
// valid values are:
// - 0: ZX Spectrum overlay drum (1-bit)
// - 1: 1-bit NES DPCM (1-bit)
// - 4: QSound ADPCM
// - 5: ADPCM-A
// - 6: ADPCM-B
// - 7: X68000 ADPCM
// - 8: 8-bit PCM
// - 9: BRR (SNES)
// - 10: VOX
// - 16: 16-bit PCM
unsigned char depth;
// these are the new data structures.
signed char* data8; // 8
short* data16; // 16
unsigned char* data1; // 0
unsigned char* dataDPCM; // 1
unsigned char* dataQSoundA; // 4
unsigned char* dataA; // 5
unsigned char* dataB; // 6
unsigned char* dataX68; // 7
unsigned char* dataBRR; // 9
unsigned char* dataVOX; // 10
unsigned int length8, length16, length1, lengthDPCM, lengthQSoundA, lengthA, lengthB, lengthX68, lengthBRR, lengthVOX;
unsigned int off8, off16, off1, offDPCM, offQSoundA, offA, offB, offX68, offBRR, offVOX;
unsigned int offSegaPCM, offQSound;
unsigned int samples;
bool save(const char* path);
bool initInternal(unsigned char d, int count);
bool init(unsigned int count);
void render();
void* getCurBuf();
unsigned int getCurBufLen();
DivSample():
name(""),
rate(32000),
centerRate(8363),
loopStart(-1),
loopOffP(0),
depth(16),
data8(NULL),
data16(NULL),
data1(NULL),
dataDPCM(NULL),
dataQSoundA(NULL),
dataA(NULL),
dataB(NULL),
dataX68(NULL),
dataBRR(NULL),
dataVOX(NULL),
length8(0),
length16(0),
length1(0),
lengthDPCM(0),
lengthQSoundA(0),
lengthA(0),
lengthB(0),
lengthX68(0),
lengthBRR(0),
lengthVOX(0),
off8(0),
off16(0),
off1(0),
offDPCM(0),
offQSoundA(0),
offA(0),
offB(0),
offX68(0),
offBRR(0),
offVOX(0),
offSegaPCM(0),
offQSound(0),
samples(0) {}
~DivSample();
};