Chloe Stars
137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
/*
|
|
PokeMini - Pokémon-Mini Emulator
|
|
Copyright (C) 2009-2012 JustBurn
|
|
|
|
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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "ExportWAV.h"
|
|
|
|
// Open a unique files for saving the capture
|
|
FILE *OpenUnique_ExportWAV(uint8_t format)
|
|
{
|
|
int i;
|
|
char file[32];
|
|
FILE *ft;
|
|
for (i=0; i<16777216; i++) {
|
|
sprintf(file, "dump_%03d.wav", i);
|
|
ft = fopen(file, "r");
|
|
if (!ft) break;
|
|
fclose(ft);
|
|
}
|
|
return Open_ExportWAV(file, format);
|
|
}
|
|
|
|
// Open file for saving the capture
|
|
FILE *Open_ExportWAV(const char *filename, uint8_t format)
|
|
{
|
|
const char *text_RIFF = "RIFF";
|
|
const char *text_WAVE = "WAVE";
|
|
const char *text_fmt_ = "fmt ";
|
|
const char *text_data = "data";
|
|
uint32_t tl;
|
|
uint16_t tw;
|
|
int frequency, channels, bits;
|
|
FILE *fo;
|
|
|
|
switch (format & EXPORTWAV_MASK) {
|
|
case EXPORTWAV_11KHZ: frequency = 11025; break;
|
|
case EXPORTWAV_22KHZ: frequency = 22050; break;
|
|
case EXPORTWAV_44KHZ: frequency = 44100; break;
|
|
default: frequency = 0; break;
|
|
}
|
|
channels = (format & EXPORTWAV_STEREO) ? 2 : 1;
|
|
bits = (format & EXPORTWAV_16BITS) ? 16 : 8;
|
|
|
|
fo = fopen(filename, "wb");
|
|
if (fo == NULL) return NULL;
|
|
|
|
// Write file header
|
|
fwrite(text_RIFF, 4, 1, fo);
|
|
tl = 0;
|
|
fwrite(&tl, 4, 1, fo);
|
|
fwrite(text_WAVE, 4, 1, fo);
|
|
fwrite(text_fmt_, 4, 1, fo);
|
|
tl = Endian32(16);
|
|
fwrite(&tl, 4, 1, fo);
|
|
tw = Endian16(1);
|
|
fwrite(&tw, 2, 1, fo);
|
|
tw = Endian16(channels);
|
|
fwrite(&tw, 2, 1, fo);
|
|
tl = Endian32(frequency);
|
|
fwrite(&tl, 4, 1, fo);
|
|
tl = Endian32(frequency * channels * bits / 8);
|
|
fwrite(&tl, 4, 1, fo);
|
|
tw = Endian16(channels * bits / 8);
|
|
fwrite(&tw, 2, 1, fo);
|
|
tw = Endian16(bits);
|
|
fwrite(&tw, 2, 1, fo);
|
|
fwrite(text_data, 4, 1, fo);
|
|
tl = 0;
|
|
fwrite(&tl, 4, 1, fo);
|
|
|
|
return fo;
|
|
}
|
|
|
|
// Write unsigned 8-bits sample
|
|
void WriteU8_ExportWAV(FILE *fo, uint8_t sample)
|
|
{
|
|
fwrite(&sample, 1, 1, fo);
|
|
}
|
|
|
|
// Write signed 16-bits sample
|
|
void WriteS16_ExportWAV(FILE *fo, int16_t sample)
|
|
{
|
|
uint16_t tsamp = Endian16(sample);
|
|
fwrite(&tsamp, 2, 1, fo);
|
|
}
|
|
|
|
// Write unsigned 8-bits array
|
|
void WriteU8A_ExportWAV(FILE *fo, uint8_t *samples, int len)
|
|
{
|
|
if (len <= 0) return;
|
|
fwrite(samples, 1, len, fo);
|
|
}
|
|
|
|
// Write signed 16-bits array
|
|
void WriteS16A_ExportWAV(FILE *fo, int16_t *samples, int len)
|
|
{
|
|
uint16_t tsamp;
|
|
int i;
|
|
if (len <= 0) return;
|
|
for (i=0; i<len; i++) {
|
|
tsamp = Endian16(samples[i]);
|
|
fwrite(&tsamp, 2, 1, fo);
|
|
}
|
|
}
|
|
|
|
// Close file for saving the capture
|
|
void Close_ExportWAV(FILE *fo)
|
|
{
|
|
uint32_t tl, filesize = ftell(fo);
|
|
|
|
// Mark file size
|
|
fseek(fo, 4, SEEK_SET);
|
|
tl = Endian32(filesize - 8);
|
|
fwrite(&tl, 4, 1, fo);
|
|
|
|
// Mark data size
|
|
fseek(fo, 40, SEEK_SET);
|
|
tl = Endian32(filesize - 44);
|
|
fwrite(&tl, 4, 1, fo);
|
|
|
|
fclose(fo);
|
|
}
|