vgmstream/src/meta/ngc_dsp_std.c

2739 lines
96 KiB
C
Raw Normal View History

#include "meta.h"
#include "../layout/layout.h"
#include "../coding/coding.h"
#include "../util.h"
#include "../stack_alloc.h"
/* If these variables are packed properly in the struct (one after another)
* then this is actually how they are laid out in the file, albeit big-endian */
struct dsp_header {
uint32_t sample_count;
uint32_t nibble_count;
uint32_t sample_rate;
uint16_t loop_flag;
uint16_t format;
uint32_t loop_start_offset;
uint32_t loop_end_offset;
uint32_t ca;
int16_t coef[16]; /* really 8x2 */
uint16_t gain;
uint16_t initial_ps;
int16_t initial_hist1;
int16_t initial_hist2;
uint16_t loop_ps;
int16_t loop_hist1;
int16_t loop_hist2;
};
/* nonzero on failure */
static int read_dsp_header(struct dsp_header *header, off_t offset, STREAMFILE *file) {
int i;
uint8_t buf[0x4a]; /* usually padded out to 0x60 */
if (read_streamfile(buf, offset, 0x4a, file) != 0x4a) return 1;
header->sample_count =
get_32bitBE(buf+0x00);
header->nibble_count =
get_32bitBE(buf+0x04);
header->sample_rate =
get_32bitBE(buf+0x08);
header->loop_flag =
get_16bitBE(buf+0x0c);
header->format =
get_16bitBE(buf+0x0e);
header->loop_start_offset =
get_32bitBE(buf+0x10);
header->loop_end_offset =
get_32bitBE(buf+0x14);
header->ca =
get_32bitBE(buf+0x18);
for (i=0; i < 16; i++)
header->coef[i] =
get_16bitBE(buf+0x1c+i*2);
header->gain =
get_16bitBE(buf+0x3c);
header->initial_ps =
get_16bitBE(buf+0x3e);
header->initial_hist1 =
get_16bitBE(buf+0x40);
header->initial_hist2 =
get_16bitBE(buf+0x42);
header->loop_ps =
get_16bitBE(buf+0x44);
header->loop_hist1 =
get_16bitBE(buf+0x46);
header->loop_hist2 =
get_16bitBE(buf+0x48);
return 0;
}
/* the standard .dsp, as generated by DSPADPCM.exe */
VGMSTREAM * init_vgmstream_ngc_dsp_std(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header header;
const off_t start_offset = 0x60;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("dsp",filename_extension(filename))) goto fail;
if (read_dsp_header(&header, 0, streamFile)) goto fail;
/* check initial predictor/scale */
if (header.initial_ps != (uint8_t)read_8bit(start_offset,streamFile))
goto fail;
/* check type==0 and gain==0 */
if (header.format || header.gain)
goto fail;
/* Check for a matching second header. If we find one and it checks
* out thoroughly, we're probably not dealing with a genuine mono DSP.
* In many cases these will pass all the other checks, including the
* predictor/scale check if the first byte is 0 */
{
struct dsp_header header2;
read_dsp_header(&header2, 0x60, streamFile);
if (header.sample_count == header2.sample_count &&
header.nibble_count == header2.nibble_count &&
header.sample_rate == header2.sample_rate &&
header.loop_flag == header2.loop_flag) goto fail;
}
if (header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = header.loop_start_offset/16*8;
2017-02-12 15:00:10 +01:00
if (header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile)) {
/* rarely won't match (ex ESPN 2002), not sure if header or calc problem, but doesn't seem to matter
* (there may be a "click" when looping, or loop values may be too big and loop disabled anyway) */
VGM_LOG("DSP (std): bad loop_predictor\n");
//header.loop_flag = 0;
//goto fail;
}
}
/* compare num_samples with nibble count */
/*
fprintf(stderr,"num samples (literal): %d\n",read_32bitBE(0,streamFile));
fprintf(stderr,"num samples (nibbles): %d\n",dsp_nibbles_to_samples(read_32bitBE(4,streamFile)));
*/
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(1,header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = header.sample_count;
vgmstream->sample_rate = header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
header.loop_end_offset)+1;
/* don't know why, but it does happen*/
if (vgmstream->loop_end_sample > vgmstream->num_samples)
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_DSP_STD;
/* coeffs */
for (i=0;i<16;i++)
vgmstream->ch[0].adpcm_coef[i] = header.coef[i];
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile) goto fail;
vgmstream->ch[0].channel_start_offset=
vgmstream->ch[0].offset=start_offset;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* Some very simple stereo variants of standard dsp just use the standard header
* twice and add interleave, or just concatenate the channels. We'll support
* them all here.
* Note that Cstr isn't here, despite using the form of the standard header,
* because its loop values are wacky. */
/* .stm
* Used in Paper Mario 2, Fire Emblem: Path of Radiance, Cubivore
* I suspected that this was an Intelligent Systems format, but its use in
* Cubivore calls that into question. */
VGMSTREAM * init_vgmstream_ngc_dsp_stm(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header, ch1_header;
int i;
int stm_header_sample_rate;
int channel_count;
const off_t start_offset = 0x100;
off_t first_channel_size;
off_t second_channel_start;
/* check extension, case insensitive */
/* to avoid collision with Scream Tracker 2 Modules, also ending in .stm
* and supported by default in Winamp, it was policy in the old days to
* rename these files to .dsp */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("stm",filename_extension(filename)) &&
strcasecmp("dsp",filename_extension(filename))) goto fail;
/* check intro magic */
if (read_16bitBE(0, streamFile) != 0x0200) goto fail;
channel_count = read_32bitBE(4, streamFile);
/* only stereo and mono are known */
if (channel_count != 1 && channel_count != 2) goto fail;
first_channel_size = read_32bitBE(8, streamFile);
/* this is bad rounding, wastes space, but it looks like that's what's
* used */
second_channel_start = ((start_offset+first_channel_size)+0x20)/0x20*0x20;
/* an additional check */
stm_header_sample_rate = (uint16_t)read_16bitBE(2, streamFile);
/* read the DSP headers */
if (read_dsp_header(&ch0_header, 0x40, streamFile)) goto fail;
if (channel_count == 2) {
if (read_dsp_header(&ch1_header, 0xa0, streamFile)) goto fail;
}
/* checks for fist channel */
{
if (ch0_header.sample_rate != stm_header_sample_rate) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(start_offset, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile))
goto fail;
}
}
/* checks for second channel */
if (channel_count == 2) {
if (ch1_header.sample_rate != stm_header_sample_rate) goto fail;
/* check for agreement with first channel header */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
/* check initial predictor/scale */
if (ch1_header.initial_ps != (uint8_t)read_8bit(second_channel_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch1_header.format || ch1_header.gain)
goto fail;
if (ch1_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch1_header.loop_start_offset/16*8;
/*printf("loop_start_offset=%x\nloop_ps=%x\nloop_off=%x\n",ch1_header.loop_start_offset,ch1_header.loop_ps,second_channel_start+loop_off);*/
if (ch1_header.loop_ps != (uint8_t)read_8bit(second_channel_start+loop_off,streamFile))
goto fail;
}
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
/* don't know why, but it does happen*/
if (vgmstream->loop_end_sample > vgmstream->num_samples)
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_DSP_STM;
/* coeffs */
for (i=0;i<16;i++)
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
if (channel_count == 2) {
/* coeffs */
for (i=0;i<16;i++)
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
}
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile) goto fail;
vgmstream->ch[0].channel_start_offset=
vgmstream->ch[0].offset=start_offset;
if (channel_count == 2) {
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile) goto fail;
vgmstream->ch[1].channel_start_offset=
vgmstream->ch[1].offset=second_channel_start;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* mpdsp: looks like a standard .dsp header, but the data is actually
* interleaved stereo
* The files originally had a .dsp extension, we rename them to .mpdsp so we
* can catch this.
*/
VGMSTREAM * init_vgmstream_ngc_mpdsp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header header;
const off_t start_offset = 0x60;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("mpdsp",filename_extension(filename))) goto fail;
if (read_dsp_header(&header, 0, streamFile)) goto fail;
/* none have loop flag set, save us from loop code that involves them */
if (header.loop_flag) goto fail;
/* check initial predictor/scale */
if (header.initial_ps != (uint8_t)read_8bit(start_offset,streamFile))
goto fail;
/* check type==0 and gain==0 */
if (header.format || header.gain)
goto fail;
/* build the VGMSTREAM */
/* no loop flag, but they do loop */
vgmstream = allocate_vgmstream(2,0);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = header.sample_count/2;
vgmstream->sample_rate = header.sample_rate;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0xf000;
vgmstream->meta_type = meta_DSP_MPDSP;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = header.initial_hist2;
/* open the file for reading */
for (i=0;i<2;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,
vgmstream->interleave_block_size);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* str: a very simple header format with implicit loop values
* it's allways in interleaved stereo format
*/
VGMSTREAM * init_vgmstream_ngc_str(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
const off_t start_offset = 0x60;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("str",filename_extension(filename))) goto fail;
/* always 0xFAAF0001 @ offset 0 */
if (read_32bitBE(0x00,streamFile)!=0xFAAF0001) goto fail;
/* build the VGMSTREAM */
/* always loop & stereo */
vgmstream = allocate_vgmstream(2,1);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitBE(0x08,streamFile);
vgmstream->sample_rate = read_32bitBE(0x04,streamFile);
/* always loop to the beginning */
vgmstream->loop_start_sample=0;
vgmstream->loop_end_sample=vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitBE(0x0C,streamFile);
vgmstream->meta_type = meta_DSP_STR;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x10+(i*2),streamFile);
vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x30+(i*2),streamFile);
}
/* open the file for reading */
for (i=0;i<2;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,
vgmstream->interleave_block_size);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* a bunch of formats that are identical except for file extension,
* but have different interleaves */
VGMSTREAM * init_vgmstream_ngc_dsp_std_int(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
const off_t start_offset = 0xc0;
off_t interleave;
int meta_type;
struct dsp_header ch0_header,ch1_header;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strlen(filename) > 7 && !strcasecmp("_lr.dsp",filename+strlen(filename)-7)) {
/* Bomberman Jetters */
interleave = 0x14180;
meta_type = meta_DSP_JETTERS;
} else if (!strcasecmp("mss",filename_extension(filename))) {
interleave = 0x1000;
meta_type = meta_DSP_MSS;
} else if (!strcasecmp("gcm",filename_extension(filename))) {
interleave = 0x8000;
meta_type = meta_DSP_GCM;
} else goto fail;
if (read_dsp_header(&ch0_header, 0, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, 0x60, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(start_offset,streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(start_offset+interleave,streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain ||
ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
loop_off = (loop_off/interleave*interleave*2) + (loop_off%interleave);
if (ch0_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off+interleave,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(2,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
/* TODO: adjust for interleave? */
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
vgmstream->meta_type = meta_type;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
for (i=0;i<2;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+i*interleave;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* IDSP with multiple standard DSP headers - from SSB4 (3DS), Tekken Tag Tournament 2 (Wii U) */
#define MULTI_IDSP_MAX_CHANNELS 8
2014-09-17 01:31:59 +02:00
VGMSTREAM * init_vgmstream_3ds_idsp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t idsp_offset = 0;
2014-09-17 01:31:59 +02:00
off_t start_offset;
off_t interleave;
struct dsp_header ch_headers[MULTI_IDSP_MAX_CHANNELS];
int i, ch;
2014-09-17 01:31:59 +02:00
int channel_count;
/* check extension, case insensitive */
//if (check_extensions(streamFile,"idsp,nus3bank")) goto fail;
2014-09-17 01:31:59 +02:00
/* check header magic */
if( read_32bitBE(0x0,streamFile) != 0x49445350 ) /* "IDSP" */
{
/* try NUS3 format instead */
if (read_32bitBE(0,streamFile) != 0x4E555333) goto fail; /* "NUS3" */
/* Header size */
idsp_offset = 0x14 + read_32bitLE( 0x10, streamFile );
idsp_offset += read_32bitLE( 0x1C, streamFile ) + 8;
idsp_offset += read_32bitLE( 0x24, streamFile ) + 8;
idsp_offset += read_32bitLE( 0x2C, streamFile ) + 8;
idsp_offset += read_32bitLE( 0x34, streamFile ) + 8;
idsp_offset += read_32bitLE( 0x3C, streamFile ) + 8;
idsp_offset += read_32bitLE( 0x44, streamFile ) + 8;
idsp_offset += 8;
/* check magic */
if (read_32bitBE(idsp_offset,streamFile) != 0x49445350) goto fail; /* "IDSP" */
}
channel_count = read_32bitBE(idsp_offset+0x8, streamFile);
if (channel_count > MULTI_IDSP_MAX_CHANNELS) goto fail;
2014-09-17 01:31:59 +02:00
start_offset = read_32bitBE(idsp_offset+0x28,streamFile) + idsp_offset;
interleave = 0x10;
/* read standard dsp header per channel and do some validations */
for (ch=0; ch < channel_count; ch++) {
/* read 0x60 header per channel */
if (read_dsp_header(&ch_headers[ch], idsp_offset + 0x40 + 0x60*ch, streamFile)) goto fail;
/* check initial values */
if (ch_headers[ch].initial_ps != (uint8_t)read_8bit(start_offset + interleave*ch, streamFile)) goto fail;
if (ch_headers[ch].format || ch_headers[ch].gain) goto fail;
/* check for agreement with prev channel*/
if (ch > 0 && (
ch_headers[ch].sample_count != ch_headers[ch-1].sample_count ||
ch_headers[ch].nibble_count != ch_headers[ch-1].nibble_count ||
ch_headers[ch].sample_rate != ch_headers[ch-1].sample_rate ||
ch_headers[ch].loop_flag != ch_headers[ch-1].loop_flag ||
ch_headers[ch].loop_start_offset != ch_headers[ch-1].loop_start_offset ||
ch_headers[ch].loop_end_offset != ch_headers[ch-1].loop_end_offset
2014-09-17 01:31:59 +02:00
)) goto fail;
#if 0 //this is wrong for >2ch and will fail
2014-09-17 01:31:59 +02:00
/* check loop predictor/scale */
if (ch_headers[ch].loop_flag) {
off_t loop_off;
loop_off = ch_headers[ch].loop_start_offset / 8 / channel_count * 8;
loop_off = (loop_off / interleave * interleave * channel_count) + (loop_off%interleave);
if (ch_headers[ch].loop_ps != (uint8_t)read_8bit(start_offset + loop_off + interleave*ch, streamFile)) goto fail;
}
#endif
2014-09-17 01:31:59 +02:00
}
/* check first channel (implicitly all ch) agree with main sample rate */
if (ch_headers[0].sample_rate != read_32bitBE(idsp_offset+0xc, streamFile)) goto fail;
2014-09-17 01:31:59 +02:00
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,ch_headers[0].loop_flag);
2014-09-17 01:31:59 +02:00
if (!vgmstream) goto fail;
vgmstream->num_samples = ch_headers[0].sample_count;
vgmstream->sample_rate = ch_headers[0].sample_rate;
2014-09-17 01:31:59 +02:00
/* TODO: adjust for interleave? */
vgmstream->loop_start_sample = dsp_nibbles_to_samples(ch_headers[0].loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(ch_headers[0].loop_end_offset) + 1;
/* games will ignore loop_end and use num_samples if going over it
* only needed for user-created IDSPs, but it's possible loop_end_sample shouldn't add +1 above */
if (vgmstream->loop_end_sample > vgmstream->num_samples)
vgmstream->loop_end_sample = vgmstream->num_samples;
2014-09-17 01:31:59 +02:00
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = channel_count > 1 ? layout_interleave : layout_none;
2014-09-17 01:31:59 +02:00
vgmstream->interleave_block_size = interleave;
vgmstream->meta_type = meta_3DS_IDSP;
/* set DSP coefs/history */
for (ch=0; ch < channel_count; ch++) {
for (i=0;i<16;i++) {
vgmstream->ch[ch].adpcm_coef[i] = ch_headers[ch].coef[i];
}
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[ch].adpcm_history1_16 = ch_headers[ch].initial_hist1;
vgmstream->ch[ch].adpcm_history2_16 = ch_headers[ch].initial_hist2;
2014-09-17 01:31:59 +02:00
}
/* open the file for reading */
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
2014-09-17 01:31:59 +02:00
return vgmstream;
fail:
close_vgmstream(vgmstream);
2014-09-17 01:31:59 +02:00
return NULL;
}
/* sadb - .SAD files, two standard DSP headers */
VGMSTREAM * init_vgmstream_sadb(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
off_t interleave;
struct dsp_header ch0_header,ch1_header;
int i;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("sad",filename_extension(filename))) goto fail;
/* check header magic */
if (read_32bitBE(0x0,streamFile) != 0x73616462) goto fail; /* "sadb" */
channel_count = read_8bit(0x32, streamFile);
if (channel_count != 1 && channel_count != 2) goto fail;
if (read_dsp_header(&ch0_header, 0x80, streamFile)) goto fail;
if (channel_count == 2 && read_dsp_header(&ch1_header, 0xe0, streamFile)) goto fail;
start_offset = read_32bitBE(0x48,streamFile);
interleave = 16;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(start_offset,streamFile))
goto fail;
if (channel_count == 2 && ch1_header.initial_ps != (uint8_t)read_8bit(start_offset+interleave,streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain ||
(channel_count == 2 &&(ch1_header.format || ch1_header.gain)))
goto fail;
/* check for agreement */
if ( channel_count == 2 &&(
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
)) goto fail;
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/8/channel_count*8;
loop_off = (loop_off/interleave*interleave*channel_count) + (loop_off%interleave);
if (ch0_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile))
goto fail;
if (channel_count == 2 &&
ch1_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off+interleave,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
/* TODO: adjust for interleave? */
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = channel_count == 2 ? layout_interleave : layout_none;
vgmstream->interleave_block_size = interleave;
vgmstream->meta_type = meta_DSP_SADB;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
if (channel_count == 2)
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (channel_count == 2) {
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
vgmstream->ch[1].streamfile = vgmstream->ch[0].streamfile;
}
if (!vgmstream->ch[0].streamfile) goto fail;
/* open the file for reading */
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+i*interleave;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* AMTS - .amts files */
VGMSTREAM * init_vgmstream_amts(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
off_t interleave;
int channel_count;
struct dsp_header ch0_header,ch1_header;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("amts",filename_extension(filename))) goto fail;
/* check header magic */
if (read_32bitBE(0x0,streamFile) != 0x414D5453) goto fail; /* "sadb" */
channel_count=read_32bitBE(0x14,streamFile);
start_offset = 0x800;
interleave = read_32bitBE(0x08,streamFile);
if (read_dsp_header(&ch0_header, 0x20, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(start_offset,streamFile))
goto fail;
if(channel_count==2) {
if (read_dsp_header(&ch1_header, 0x80, streamFile)) goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(start_offset+interleave,streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain ||
ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
loop_off = (loop_off/interleave*interleave*2) + (loop_off%interleave);
if (ch0_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off+interleave,streamFile))
goto fail;
}
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
/* TODO: adjust for interleave? */
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
vgmstream->meta_type = meta_DSP_AMTS;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if(channel_count==2) {
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
vgmstream->ch[1].streamfile = vgmstream->ch[0].streamfile;
}
if (!vgmstream->ch[0].streamfile) goto fail;
/* open the file for reading */
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+i*interleave;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .wsi as found in Alone in the Dark for Wii */
/* These appear to be standard .dsp, but interleaved in a blocked format */
VGMSTREAM * init_vgmstream_wsi(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header header[2];
off_t start_offset[2];
int channel_count;
size_t est_block_size = 0;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("wsi",filename_extension(filename))) goto fail;
/* I don't know if this is actually the channel count, or a block type
for the first block. Won't know until I see a mono .wsi */
channel_count = read_32bitBE(0x04,streamFile);
/* I've only allocated two headers, and I want to be alerted if a mono
.wsi shows up */
if (channel_count != 2) goto fail;
/* check for consistent block headers */
{
off_t check_offset;
off_t block_size_has_been;
int i;
check_offset = read_32bitBE(0x0,streamFile);
if (check_offset < 8) goto fail;
block_size_has_been = check_offset;
/* check 4 blocks, to get an idea */
for (i=0;i<4*channel_count;i++) {
off_t block_size;
block_size = read_32bitBE(check_offset,streamFile);
/* expect at least the block header */
if (block_size < 0x10) goto fail;
/* expect the channel numbers to alternate */
if (i%channel_count+1 != read_32bitBE(check_offset+8,streamFile)) goto fail;
/* expect every block in a set of channels to have the same size */
if (i%channel_count==0) block_size_has_been = block_size;
else if (block_size != block_size_has_been) goto fail;
/* get an estimate of block size for buffer sizing */
if (block_size > est_block_size) est_block_size = block_size;
check_offset += block_size;
}
}
/* look at DSP headers */
{
off_t check_offset;
int i;
check_offset = read_32bitBE(0x0,streamFile);
for (i=0;i<channel_count;i++) {
off_t block_size;
block_size = read_32bitBE(check_offset,streamFile);
/* make sure block is actually big enough to hold the dsp header
and beginning of first frame */
if (block_size < 0x61+0x10) goto fail;
if (read_dsp_header(&header[i], check_offset+0x10, streamFile)) goto fail;
start_offset[i] = check_offset + 0x60+0x10;
/* check initial predictor/scale */
if (header[i].initial_ps != (uint8_t)read_8bit(check_offset+0x60+0x10,streamFile))
goto fail;
/* check type==0 and gain==0 */
if (header[i].format || header[i].gain)
goto fail;
#if 0
/* difficult to use this with blocks, but might be worth doing */
if (header[i].loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = header[i].loop_start_offset/16*8;
if (header[i].loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile))
goto fail;
}
#endif
check_offset += block_size;
}
} /* done looking at headers */
/* check for agreement (two channels only) */
if (
header[0].sample_count != header[1].sample_count ||
header[0].nibble_count != header[1].nibble_count ||
header[0].sample_rate != header[1].sample_rate ||
header[0].loop_flag != header[1].loop_flag ||
header[0].loop_start_offset != header[1].loop_start_offset ||
header[0].loop_end_offset != header[1].loop_end_offset
) goto fail;
vgmstream = allocate_vgmstream(channel_count,header[0].loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
/* incomplete last frame is missing */
vgmstream->num_samples = header[0].sample_count/14*14;
vgmstream->sample_rate = header[0].sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
header[0].loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
header[0].loop_end_offset)+1;
/* don't know why, but it does happen*/
if (vgmstream->loop_end_sample > vgmstream->num_samples)
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_wsi_blocked;
vgmstream->meta_type = meta_DSP_WSI;
/* coeffs */
{
int i,j;
for (j=0;j<channel_count;j++) {
for (i=0;i<16;i++) {
vgmstream->ch[j].adpcm_coef[i] = header[j].coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[j].adpcm_history1_16 = header[j].initial_hist1;
vgmstream->ch[j].adpcm_history2_16 = header[j].initial_hist2;
}
}
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,est_block_size*4);
if (!vgmstream->ch[0].streamfile) goto fail;
wsi_block_update(read_32bitBE(0,streamFile),vgmstream);
{
int i;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = vgmstream->ch[0].streamfile;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset[i];
}
}
/* first block isn't full of musics */
vgmstream->current_block_size -= 0x60;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* SWD (found in Conflict - Desert Storm 1 & 2 */
VGMSTREAM * init_vgmstream_ngc_swd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
off_t interleave;
struct dsp_header ch0_header, ch1_header;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("swd",filename_extension(filename))) goto fail;
if (read_dsp_header(&ch0_header, 0x08, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, 0x68, streamFile)) goto fail;
/* check header magic */
if (read_32bitBE(0x00,streamFile) != 0x505346D1) /* PSF\0xD1 */
goto fail;
start_offset = 0xC8;
interleave = 0x8;
#if 0
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(start_offset,streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(start_offset+interleave,streamFile))
goto fail;
#endif
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain ||
ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
#if 0
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
loop_off = (loop_off/interleave*interleave*2) + (loop_off%interleave);
if (ch0_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off+interleave,streamFile))
goto fail;
}
#endif
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(2,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
/* TODO: adjust for interleave? */
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
vgmstream->meta_type = meta_NGC_SWD;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
vgmstream->ch[1].streamfile = vgmstream->ch[0].streamfile;
if (!vgmstream->ch[0].streamfile) goto fail;
/* open the file for reading */
for (i=0;i<2;i++) {
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+i*interleave;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* IDSP .gcm files, two standard DSP headers */
/* found in: Lego Batman (Wii)
Lego Indiana Jones - The Original Adventures (Wii)
Lego Indiana Jones 2 - The Adventure Continues (Wii)
Lego Star Wars - The Complete Saga (Wii)
The Chronicles of Narnia - Prince Caspian (Wii) */
VGMSTREAM * init_vgmstream_wii_idsp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
off_t interleave;
struct dsp_header ch0_header,ch1_header;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if ((strcasecmp("gcm",filename_extension(filename))) &&
(strcasecmp("idsp",filename_extension(filename))))
goto fail;
/* check header magic */
if (read_32bitBE(0x0,streamFile) != 0x49445350) goto fail; /* "IDSP" */
/* different versions? */
if (read_32bitBE(0x4, streamFile) == 1 &&
read_32bitBE(0x8, streamFile) == 0xc8)
{
if (read_dsp_header(&ch0_header, 0x10, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, 0x70, streamFile)) goto fail;
start_offset = 0xd0;
}
else if (read_32bitBE(0x4, streamFile) == 2 &&
read_32bitBE(0x8, streamFile) == 0xd2)
{
if (read_dsp_header(&ch0_header, 0x20, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, 0x80, streamFile)) goto fail;
start_offset = 0xe0;
}
else goto fail;
interleave = read_32bitBE(0xc, streamFile);
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(start_offset,streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(start_offset+interleave,streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain ||
ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
loop_off = (loop_off/interleave*interleave*2) + (loop_off%interleave);
if (ch0_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(start_offset+loop_off+interleave,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(2,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
/* TODO: adjust for interleave? */
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
vgmstream->meta_type = meta_DSP_WII_IDSP;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
vgmstream->ch[1].streamfile = vgmstream->ch[0].streamfile;
if (!vgmstream->ch[0].streamfile) goto fail;
/* open the file for reading */
for (i=0;i<2;i++) {
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+i*interleave;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .wsd files, two DSP files stuck together */
/* found in Phantom Brave Wii */
VGMSTREAM * init_vgmstream_wii_wsd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t channel_1_start, channel_2_start, channel_1_size, channel_2_size;
struct dsp_header ch0_header,ch1_header;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("wsd",filename_extension(filename))) goto fail;
/* read .wsd header */
channel_1_start = read_32bitBE(0x0,streamFile);
channel_2_start = read_32bitBE(0x4,streamFile);
channel_1_size = read_32bitBE(0x8,streamFile);
channel_2_size = read_32bitBE(0xc,streamFile);
/* check header */
if (channel_1_size != channel_2_size) goto fail;
if (channel_1_start != 0x20) goto fail;
if (channel_1_size < 0x20 || channel_2_size < 0x20) goto fail;
if (channel_1_start + channel_1_size > channel_2_start) goto fail;
if (channel_2_start + channel_2_size > get_streamfile_size(streamFile))
goto fail;
/* get DSP headers */
if (read_dsp_header(&ch0_header, channel_1_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, channel_2_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps !=
(uint8_t)read_8bit(channel_1_start + 0x60, streamFile))
goto fail;
if (ch1_header.initial_ps !=
(uint8_t)read_8bit(channel_2_start + 0x60, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain ||
ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps !=
(uint8_t)read_8bit(channel_1_start+0x60+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps !=
(uint8_t)read_8bit(channel_2_start+0x60+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(2,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_DSP_WII_WSD;
/* coeffs */
{
int i;
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile) goto fail;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile) goto fail;
vgmstream->ch[0].channel_start_offset =
vgmstream->ch[0].offset=channel_1_start+0x60;
vgmstream->ch[1].channel_start_offset =
vgmstream->ch[1].offset=channel_2_start+0x60;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .ddsp files, two DSP files stuck together, without additional header */
VGMSTREAM * init_vgmstream_dsp_ddsp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t channel_1_start, channel_2_start, channel_1_size, channel_2_size;
struct dsp_header ch0_header,ch1_header;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("ddsp",filename_extension(filename))) goto fail;
/* read .wsd header */
channel_1_start = 0;
channel_2_start = (get_streamfile_size(streamFile)/2);
channel_1_size = (get_streamfile_size(streamFile)/2)-0x60;
channel_2_size = (get_streamfile_size(streamFile)/2)-0x60;
/* check header */
if (channel_1_size != channel_2_size) goto fail;
if (channel_1_start != 0x0) goto fail;
if (channel_1_size < 0x20 || channel_2_size < 0x20) goto fail;
if (channel_1_start + channel_1_size > channel_2_start) goto fail;
if (channel_2_start + channel_2_size > get_streamfile_size(streamFile))
goto fail;
/* get DSP headers */
if (read_dsp_header(&ch0_header, channel_1_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, channel_2_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps !=
(uint8_t)read_8bit(channel_1_start + 0x60, streamFile))
goto fail;
if (ch1_header.initial_ps !=
(uint8_t)read_8bit(channel_2_start + 0x60, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain ||
ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps !=
(uint8_t)read_8bit(channel_1_start+0x60+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps !=
(uint8_t)read_8bit(channel_2_start+0x60+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(2,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_DSP_DDSP;
/* coeffs */
{
int i;
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile) goto fail;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile) goto fail;
vgmstream->ch[0].channel_start_offset =
vgmstream->ch[0].offset=channel_1_start+0x60;
vgmstream->ch[1].channel_start_offset =
vgmstream->ch[1].offset=channel_2_start+0x60;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .was files, DSP file(s), with additional iSWS header */
VGMSTREAM * init_vgmstream_wii_was(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header,ch1_header;
off_t ch1_header_start, ch2_header_start, ch1_start, ch2_start;
int channel_count;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if ((strcasecmp("dsp",filename_extension(filename))) &&
(strcasecmp("isws",filename_extension(filename))) &&
(strcasecmp("was",filename_extension(filename))))
goto fail;
/* read iSWS header */
if (read_32bitBE(0x0,streamFile) != 0x69535753)
goto fail;
channel_count = read_32bitBE(0x08,streamFile);
if (channel_count == 1)
{
ch1_header_start = 0x20;
ch1_start = 0x80;
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch0_header.loop_flag)
{
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(ch1_start+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(1,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_WII_WAS;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
}
else if (channel_count == 2)
{
ch1_header_start = 0x20;
ch2_header_start = 0x80;
ch1_start = 0xE0;
ch2_start = 0xE0 + (read_32bitBE(0x10,streamFile));
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, ch2_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(ch2_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag)
{
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(ch1_start+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(ch2_start+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(2,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitBE(0x10,streamFile);
vgmstream->meta_type = meta_WII_WAS;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile)
goto fail;
vgmstream->ch[1].channel_start_offset = vgmstream->ch[1].offset=ch2_start;
}
else
{
goto fail;
}
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .str found in Micro Machines, Superman: Shadow of Apokolips */
VGMSTREAM * init_vgmstream_dsp_str_ig(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header,ch1_header;
off_t ch1_header_start, ch2_header_start, ch1_start, ch2_start;
int channel_count;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("str",filename_extension(filename)))
goto fail;
channel_count = 2;
ch1_header_start = 0x00;
ch2_header_start = 0x80;
ch1_start = 0x800;
ch2_start = 0x4800;
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, ch2_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(ch2_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag)
{
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(ch1_start+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(ch2_start+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
2014-06-27 06:12:48 +02:00
vgmstream = allocate_vgmstream(channel_count, ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x4000;
vgmstream->meta_type = meta_DSP_STR_IG;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile)
goto fail;
vgmstream->ch[1].channel_start_offset = vgmstream->ch[1].offset=ch2_start;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .dsp found in: Speed Challenge - Jacques Villeneuve's Racing Vision (NGC)
XIII (NGC)
always 2 channels, and an interleave of 0x8 */
VGMSTREAM * init_vgmstream_dsp_xiii(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header,ch1_header;
off_t ch1_header_start, ch2_header_start, ch1_start, ch2_start;
int channel_count;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("dsp",filename_extension(filename)))
goto fail;
channel_count = 2;
ch1_header_start = 0x00;
ch2_header_start = 0x60;
ch1_start = 0xC0;
ch2_start = 0xC8;
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, ch2_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(ch2_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
//ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag)
{
off_t loop_off;
/* check loop predictor/scale */
loop_off = 0x0; //ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(ch1_start+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(ch2_start+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
2014-06-27 06:12:48 +02:00
vgmstream = allocate_vgmstream(channel_count, ch1_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = 0x0; //dsp_nibbles_to_samples(ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x8;
vgmstream->meta_type = meta_DSP_XIII;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile)
goto fail;
vgmstream->ch[1].channel_start_offset = vgmstream->ch[1].offset=ch2_start;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .ndp found in Vertigo (WII) */
VGMSTREAM * init_vgmstream_wii_ndp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header,ch1_header;
off_t ch1_header_start, ch2_header_start, ch1_start, ch2_start;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("ndp",filename_extension(filename)))
goto fail;
/* check header */
if (read_32bitBE(0x0,streamFile) != 0x4E445000) /* NDP */
goto fail;
/* check size */
if ((read_32bitLE(0x8,streamFile)+0x18 != get_streamfile_size(streamFile))) /* NDP */
goto fail;
2014-06-27 06:12:48 +02:00
//channel_count = (read_16bitLE(0x10,streamFile) != 2);
ch1_header_start = 0x18;
ch2_header_start = 0x78;
ch1_start = 0xD8;
ch2_start = 0xDC;
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, ch2_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(ch2_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag)
{
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(ch1_start+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(ch2_start+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
2014-06-27 06:12:48 +02:00
vgmstream = allocate_vgmstream(2, ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave_byte;
vgmstream->interleave_block_size = 0x4;
vgmstream->meta_type = meta_WII_NDP;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile)
goto fail;
vgmstream->ch[1].channel_start_offset = vgmstream->ch[1].offset=ch2_start;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* found in "Cabelas" games, always stereo, looped and an interleave of 0x10 bytes */
VGMSTREAM * init_vgmstream_dsp_cabelas(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header,ch1_header;
off_t ch1_header_start, ch2_header_start, ch1_start, ch2_start;
int channel_count;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("dsp",filename_extension(filename)))
goto fail;
channel_count = 2;
ch1_header_start = 0x00;
ch2_header_start = 0x60;
ch1_start = 0xC0;
ch2_start = 0xD0;
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, ch2_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(ch2_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
/* build the VGMSTREAM */
2014-06-27 06:12:48 +02:00
vgmstream = allocate_vgmstream(channel_count, 1);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = dsp_nibbles_to_samples(ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x10;
vgmstream->meta_type = meta_DSP_CABELAS;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile)
goto fail;
vgmstream->ch[1].channel_start_offset = vgmstream->ch[1].offset=ch2_start;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* dual dsp header with additional "AAAp" header, found in Vexx (NGC) and Turok: Evolution (NGC) */
VGMSTREAM * init_vgmstream_ngc_dsp_aaap(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header,ch1_header;
off_t ch1_header_start, ch2_header_start, ch1_start, ch2_start;
int channel_count;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("dsp",filename_extension(filename)))
goto fail;
/* check header */
if (read_32bitBE(0x0,streamFile) != 0x41414170) /* AAAp */
goto fail;
channel_count = (uint16_t)read_16bitBE(0x6,streamFile);
ch1_header_start = 0x08;
ch2_header_start = 0x68;
ch1_start = 0xC8;
ch2_start = ch1_start + (uint16_t)read_16bitBE(0x4,streamFile);
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, ch2_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(ch2_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag)
{
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(ch1_start+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(ch2_start+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = ch2_start-ch1_start;
vgmstream->meta_type = meta_NGC_DSP_AAAP;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile)
goto fail;
vgmstream->ch[1].channel_start_offset = vgmstream->ch[1].offset=ch2_start;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* .dspw files, multiple DSP files stuck together */
/* found in Sengoku Basara 3 Wii */
VGMSTREAM * init_vgmstream_dsp_dspw(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t streamSize, mrkrOffset, channelSpacing;
int channel_count, i, j;
int found_mrkr = 0;
VARDECL(struct dsp_header, ch_header);
VARDECL(off_t, channel_start);
channel_count = (unsigned char)read_8bit(0x1B, streamFile);
ALLOC(ch_header, channel_count, struct dsp_header);
ALLOC(channel_start, channel_count, off_t);
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("dspw",filename_extension(filename))) goto fail;
if (read_32bitBE(0x0,streamFile) != 0x44535057) // DSPW
goto fail;
streamSize = read_32bitBE(0x8, streamFile);
if (read_32bitBE(streamSize - 0x10, streamFile) == 0x74494D45) // tIME
streamSize -= 0x10;
mrkrOffset = streamSize - 4;
while ((mrkrOffset > streamSize - 0x1000) && !(found_mrkr)) { // some files have a mrkr section with multiple loop regions at the end
if (read_32bitBE(mrkrOffset, streamFile) != 0x6D726B72) // mrkr
mrkrOffset -= 4;
else {
streamSize = mrkrOffset;
found_mrkr++;
}
}
streamSize -= 0x20; // minus the main header
channelSpacing = streamSize / channel_count;
/* read .dspw header */
for (i = 0; i < channel_count; i++) {
channel_start[i] = 0x20 + i*channelSpacing;
/* get DSP headers */
if (read_dsp_header(&ch_header[i], channel_start[i], streamFile)) goto fail;
/* check initial predictor/scale */
if (ch_header[i].initial_ps !=
(uint8_t)read_8bit(channel_start[i] + 0x60, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch_header[i].format || ch_header[i].gain)
goto fail;
/* check for agreement */
if (i > 0) {
if (
ch_header[i].sample_count != ch_header[i-1].sample_count ||
ch_header[i].nibble_count != ch_header[i-1].nibble_count ||
ch_header[i].sample_rate != ch_header[i-1].sample_rate ||
ch_header[i].loop_flag != ch_header[i-1].loop_flag ||
ch_header[i].loop_start_offset != ch_header[i-1].loop_start_offset ||
ch_header[i].loop_end_offset != ch_header[i-1].loop_end_offset
) goto fail;
}
if (ch_header[0].loop_flag) {
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch_header[0].loop_start_offset/16*8;
if (ch_header[i].loop_ps !=
(uint8_t)read_8bit(channel_start[i]+0x60+loop_off,streamFile))
goto fail;
}
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,ch_header[0].loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch_header[0].sample_count;
vgmstream->sample_rate = ch_header[0].sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch_header[0].loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch_header[0].loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
// vgmstream->layout_type = layout_interleave;
// vgmstream->interleave_block_size = channelSpacing;
vgmstream->meta_type = meta_DSP_DSPW;
/* coeffs */
for (i=0;i<channel_count;i++){
for (j=0;j<16;j++) {
vgmstream->ch[i].adpcm_coef[j] = ch_header[i].coef[j];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[i].adpcm_history1_16 = ch_header[i].initial_hist1;
vgmstream->ch[i].adpcm_history2_16 = ch_header[i].initial_hist2;
}
/* open the file for reading */
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset =
vgmstream->ch[i].offset=channel_start[i]+0x60;
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* dual dsp header with additional "iadp" header, found in Dr. Muto (NGC) */
VGMSTREAM * init_vgmstream_ngc_dsp_iadp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
struct dsp_header ch0_header,ch1_header;
off_t ch1_header_start, ch2_header_start, ch1_start, ch2_start;
int channel_count;
int i;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("iadp",filename_extension(filename)))
goto fail;
/* check header */
if (read_32bitBE(0x0,streamFile) != 0x69616470) /* iadp */
goto fail;
channel_count = read_32bitBE(0x4,streamFile);
if (channel_count != 0x2)
goto fail;
ch1_header_start = 0x20;
ch2_header_start = 0x80;
ch1_start = read_32bitBE(0x1C,streamFile);
ch2_start = ch1_start + read_32bitBE(0x8,streamFile);
/* get DSP headers */
if (read_dsp_header(&ch0_header, ch1_header_start, streamFile)) goto fail;
if (read_dsp_header(&ch1_header, ch2_header_start, streamFile)) goto fail;
/* check initial predictor/scale */
if (ch0_header.initial_ps != (uint8_t)read_8bit(ch1_start, streamFile))
goto fail;
if (ch1_header.initial_ps != (uint8_t)read_8bit(ch2_start, streamFile))
goto fail;
/* check type==0 and gain==0 */
if (ch0_header.format || ch0_header.gain)
goto fail;
if (ch1_header.format || ch1_header.gain)
goto fail;
/* check for agreement */
if (
ch0_header.sample_count != ch1_header.sample_count ||
ch0_header.nibble_count != ch1_header.nibble_count ||
ch0_header.sample_rate != ch1_header.sample_rate ||
ch0_header.loop_flag != ch1_header.loop_flag ||
ch0_header.loop_start_offset != ch1_header.loop_start_offset ||
ch0_header.loop_end_offset != ch1_header.loop_end_offset
) goto fail;
if (ch0_header.loop_flag)
{
off_t loop_off;
/* check loop predictor/scale */
loop_off = ch0_header.loop_start_offset/16*8;
if (ch0_header.loop_ps != (uint8_t)read_8bit(ch1_start+loop_off,streamFile))
goto fail;
if (ch1_header.loop_ps != (uint8_t)read_8bit(ch2_start+loop_off,streamFile))
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,ch0_header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = ch0_header.sample_count;
vgmstream->sample_rate = ch0_header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
ch0_header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
ch0_header.loop_end_offset)+1;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->interleave_block_size = read_32bitBE(0x8,streamFile);
vgmstream->layout_type = layout_interleave;
vgmstream->meta_type = meta_NGC_DSP_IADP;
/* coeffs */
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = ch0_header.coef[i];
vgmstream->ch[1].adpcm_coef[i] = ch1_header.coef[i];
}
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = ch0_header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = ch0_header.initial_hist2;
vgmstream->ch[1].adpcm_history1_16 = ch1_header.initial_hist1;
vgmstream->ch[1].adpcm_history2_16 = ch1_header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile)
goto fail;
vgmstream->ch[0].channel_start_offset = vgmstream->ch[0].offset=ch1_start;
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile)
goto fail;
vgmstream->ch[1].channel_start_offset = vgmstream->ch[1].offset=ch2_start;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
2014-06-27 06:12:48 +02:00
}
/* the csmp format from Metroid Prime 3 and DKCR */
#define CSMP_MAGIC 0x43534D50
#define CSMP_DATA 0x44415441
struct csmp_chunk {
uint32_t id;
uint32_t length;
};
VGMSTREAM * init_vgmstream_ngc_dsp_csmp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
long current_offset;
int tries;
struct dsp_header header;
const off_t start_offset = 0x60;
int i;
int csmp_magic;
int csmp_version;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("csmp",filename_extension(filename))) goto fail;
current_offset = 0;
csmp_magic = read_32bitBE(current_offset, streamFile);
if (csmp_magic != CSMP_MAGIC) goto fail;
current_offset += 4;
csmp_version = read_32bitBE(current_offset, streamFile);
if (csmp_version != 1) goto fail;
current_offset += 4;
tries =0;
while (1)
{
struct csmp_chunk chunk;
if (tries > 4)
goto fail;
chunk.id = read_32bitBE(current_offset, streamFile);
chunk.length = read_32bitBE(current_offset + 4, streamFile);
current_offset += 8;
if (chunk.id != CSMP_DATA)
{
current_offset += chunk.length;
tries++;
continue;
}
break;
}
if (read_dsp_header(&header, current_offset, streamFile)) goto fail;
/* check initial predictor/scale */
/* Retro doesn't seem to abide by this */
//if (header.initial_ps != (uint8_t)read_8bit(current_offset + start_offset,streamFile))
// goto fail;
/* check type==0 and gain==0 */
if (header.format || header.gain)
goto fail;
if (header.loop_flag) {
// off_t loop_off;
/* check loop predictor/scale */
// loop_off = header.loop_start_offset/16*8;
/* Retro doesn't seem to abide by this */
// if (header.loop_ps != (uint8_t)read_8bit(current_offset + start_offset+loop_off,streamFile))
// goto fail;
}
/* compare num_samples with nibble count */
/*
fprintf(stderr,"num samples (literal): %d\n",read_32bitBE(0,streamFile));
fprintf(stderr,"num samples (nibbles): %d\n",dsp_nibbles_to_samples(read_32bitBE(4,streamFile)));
*/
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(1,header.loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = header.sample_count;
vgmstream->sample_rate = header.sample_rate;
vgmstream->loop_start_sample = dsp_nibbles_to_samples(
header.loop_start_offset);
vgmstream->loop_end_sample = dsp_nibbles_to_samples(
header.loop_end_offset)+1;
/* don't know why, but it does happen*/
if (vgmstream->loop_end_sample > vgmstream->num_samples)
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_DSP_CSMP;
/* coeffs */
for (i=0;i<16;i++)
vgmstream->ch[0].adpcm_coef[i] = header.coef[i];
/* initial history */
/* always 0 that I've ever seen, but for completeness... */
vgmstream->ch[0].adpcm_history1_16 = header.initial_hist1;
vgmstream->ch[0].adpcm_history2_16 = header.initial_hist2;
/* open the file for reading */
vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[0].streamfile) goto fail;
vgmstream->ch[0].channel_start_offset=
vgmstream->ch[0].offset=current_offset + start_offset;
return vgmstream;
fail:
/* clean up anything we may have opened */
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}