mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 09:55:53 +01:00
364 lines
11 KiB
C
364 lines
11 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
#include "../util.h"
|
|
|
|
/* Wii RWAV, 3DS CWAV */
|
|
|
|
struct rwav_data {
|
|
// in
|
|
off_t offset;
|
|
STREAMFILE *streamFile;
|
|
int big_endian;
|
|
int32_t (*read_32bit)(off_t,STREAMFILE*);
|
|
|
|
// out
|
|
int version;
|
|
off_t start_offset;
|
|
off_t info_chunk;
|
|
off_t wave_offset;
|
|
};
|
|
|
|
static void read_rwav(struct rwav_data * rd)
|
|
{
|
|
off_t chunk_table_offset;
|
|
off_t chunk_table_step;
|
|
off_t info_chunk;
|
|
off_t data_chunk;
|
|
|
|
if (rd->big_endian)
|
|
{
|
|
/* "RWAV" */
|
|
if ((uint32_t)read_32bitBE(rd->offset,rd->streamFile)!=0x52574156)
|
|
return;
|
|
|
|
/* big endian, version 2 */
|
|
if ((uint32_t)read_32bitBE(rd->offset+4,rd->streamFile)!=0xFEFF0102)
|
|
return;
|
|
|
|
chunk_table_offset = rd->offset+0x10;
|
|
chunk_table_step = 8;
|
|
}
|
|
else
|
|
{
|
|
/* "CWAV" */
|
|
if ((uint32_t)read_32bitBE(rd->offset,rd->streamFile)!=0x43574156)
|
|
return;
|
|
|
|
/* little endian, version 2 */
|
|
if ((uint32_t)read_32bitBE(rd->offset+4,rd->streamFile)!=0xFFFE4000 ||
|
|
(
|
|
(uint32_t)read_32bitBE(rd->offset+8,rd->streamFile)!=0x00000002 && /* Kirby's Adventure */
|
|
(uint32_t)read_32bitBE(rd->offset+8,rd->streamFile)!=0x00000102 && /* common */
|
|
(uint32_t)read_32bitBE(rd->offset+8,rd->streamFile)!=0x00010102
|
|
)
|
|
)
|
|
return;
|
|
|
|
chunk_table_offset = rd->offset+0x18;
|
|
chunk_table_step = 0xc;
|
|
}
|
|
|
|
info_chunk = rd->offset+rd->read_32bit(chunk_table_offset,rd->streamFile);
|
|
/* "INFO" */
|
|
if ((uint32_t)read_32bitBE(info_chunk,rd->streamFile)!=0x494e464f)
|
|
return;
|
|
|
|
data_chunk = rd->offset+rd->read_32bit(chunk_table_offset+chunk_table_step,rd->streamFile);
|
|
/* "DATA" */
|
|
if ((uint32_t)read_32bitBE(data_chunk,rd->streamFile)!=0x44415441)
|
|
return;
|
|
|
|
rd->start_offset = data_chunk + 8;
|
|
rd->info_chunk = info_chunk + 8;
|
|
rd->version = 2;
|
|
rd->wave_offset = info_chunk - 8; // pretend to have a WAVE
|
|
|
|
return;
|
|
}
|
|
|
|
static void read_rwar(struct rwav_data * rd)
|
|
{
|
|
if ((uint32_t)read_32bitBE(rd->offset,rd->streamFile)!=0x52574152) /* "RWAR" */
|
|
return;
|
|
if ((uint32_t)read_32bitBE(rd->offset+4,rd->streamFile)!=0xFEFF0100) /* version 0 */
|
|
return;
|
|
|
|
rd->offset += 0x60;
|
|
read_rwav(rd);
|
|
rd->version = 0;
|
|
return;
|
|
}
|
|
|
|
/* RWSD is quite similar to BRSTM, but can contain several streams.
|
|
* Still, some games use it for single streams. We only support the
|
|
* single stream form here */
|
|
VGMSTREAM * init_vgmstream_rwsd(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
char filename[PATH_LIMIT];
|
|
|
|
coding_t coding_type;
|
|
|
|
size_t wave_length;
|
|
int codec;
|
|
int channel_count;
|
|
int loop_flag;
|
|
int rwar = 0;
|
|
int rwav = 0;
|
|
struct rwav_data rwav_data;
|
|
|
|
size_t stream_size;
|
|
|
|
int big_endian = 1;
|
|
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
|
|
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
|
|
|
|
rwav_data.version = -1;
|
|
rwav_data.start_offset = 0;
|
|
rwav_data.info_chunk = -1;
|
|
rwav_data.wave_offset = -1;
|
|
|
|
/* check extension, case insensitive */
|
|
streamFile->get_name(streamFile,filename,sizeof(filename));
|
|
|
|
if (check_extensions(streamFile, "rwsd")) {
|
|
;
|
|
}
|
|
else if (check_extensions(streamFile, "rwar")) {
|
|
rwar = 1;
|
|
}
|
|
else if (check_extensions(streamFile, "rwav")) {
|
|
rwav = 1;
|
|
}
|
|
/* .bcwav: standard 3DS
|
|
* .bms: 3D Classics Kirby's Adventure (3DS)
|
|
* .sfx: Wizdom (3DS)
|
|
* .str: Pac-Man and the Ghostly Adventures 2 (3DS)
|
|
* .zic: Wizdom (3DS) */
|
|
else if (check_extensions(streamFile, "bcwav,bms,sfx,str,zic")) {
|
|
rwav = 1; // cwav, similar to little endian rwav
|
|
big_endian = 0;
|
|
}
|
|
else {
|
|
goto fail;
|
|
}
|
|
|
|
if (big_endian) {
|
|
read_16bit = read_16bitBE;
|
|
read_32bit = read_32bitBE;
|
|
}
|
|
else {
|
|
read_16bit = read_16bitLE;
|
|
read_32bit = read_32bitLE;
|
|
}
|
|
|
|
/* check header */
|
|
if (rwar || rwav) {
|
|
rwav_data.offset = 0;
|
|
rwav_data.streamFile = streamFile;
|
|
rwav_data.big_endian = big_endian;
|
|
rwav_data.read_32bit = read_32bit;
|
|
|
|
if (rwar) read_rwar(&rwav_data);
|
|
if (rwav) read_rwav(&rwav_data);
|
|
if (rwav_data.wave_offset < 0) goto fail;
|
|
}
|
|
else {
|
|
if ((uint32_t)read_32bitBE(0,streamFile)!=0x52575344) /* "RWSD" */
|
|
goto fail;
|
|
|
|
switch (read_32bitBE(4,streamFile)) {
|
|
case 0xFEFF0102:
|
|
/* ideally we would look through the chunk list for a WAVE chunk,
|
|
* but it's always in the same order */
|
|
/* get WAVE offset, check */
|
|
rwav_data.wave_offset = read_32bit(0x18,streamFile);
|
|
if ((uint32_t)read_32bitBE(rwav_data.wave_offset,streamFile)!=0x57415645) /* "WAVE" */
|
|
goto fail;
|
|
/* get WAVE size, check */
|
|
wave_length = read_32bit(0x1c,streamFile);
|
|
if (read_32bit(rwav_data.wave_offset+4,streamFile)!=wave_length)
|
|
goto fail;
|
|
|
|
/* check wave count */
|
|
if (read_32bit(rwav_data.wave_offset+8,streamFile) != 1)
|
|
goto fail; /* only support 1 */
|
|
|
|
rwav_data.version = 2;
|
|
|
|
break;
|
|
case 0xFEFF0103:
|
|
rwav_data.offset = 0xe0;
|
|
rwav_data.streamFile = streamFile;
|
|
rwav_data.big_endian = big_endian;
|
|
rwav_data.read_32bit = read_32bit;
|
|
|
|
read_rwar(&rwav_data);
|
|
if (rwav_data.wave_offset < 0) goto fail;
|
|
|
|
rwar = 1;
|
|
break;
|
|
default:
|
|
goto fail;
|
|
}
|
|
|
|
}
|
|
|
|
/* get type details */
|
|
codec = read_8bit(rwav_data.wave_offset+0x10,streamFile);
|
|
loop_flag = read_8bit(rwav_data.wave_offset+0x11,streamFile);
|
|
if (big_endian)
|
|
channel_count = read_8bit(rwav_data.wave_offset+0x12,streamFile);
|
|
else
|
|
channel_count = read_32bit(rwav_data.wave_offset+0x24,streamFile);
|
|
|
|
switch (codec) {
|
|
case 0:
|
|
coding_type = coding_PCM8;
|
|
break;
|
|
case 1:
|
|
if (big_endian)
|
|
coding_type = coding_PCM16BE;
|
|
else
|
|
coding_type = coding_PCM16LE;
|
|
break;
|
|
case 2:
|
|
coding_type = coding_NGC_DSP;
|
|
break;
|
|
case 3:
|
|
coding_type = coding_3DS_IMA;
|
|
break;
|
|
default:
|
|
goto fail;
|
|
}
|
|
|
|
if (channel_count < 1) goto fail;
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
if (big_endian) {
|
|
vgmstream->num_samples = dsp_nibbles_to_samples(read_32bit(rwav_data.wave_offset+0x1c,streamFile));
|
|
vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bit(rwav_data.wave_offset+0x18,streamFile));
|
|
}
|
|
else {
|
|
vgmstream->num_samples = read_32bit(rwav_data.wave_offset+0x1c,streamFile);
|
|
vgmstream->loop_start_sample = read_32bit(rwav_data.wave_offset+0x18,streamFile);
|
|
}
|
|
|
|
vgmstream->sample_rate = (uint16_t)read_16bit(rwav_data.wave_offset+0x14,streamFile);
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
|
|
|
vgmstream->coding_type = coding_type;
|
|
vgmstream->layout_type = layout_none;
|
|
|
|
if (rwar)
|
|
vgmstream->meta_type = meta_RWAR;
|
|
else if (rwav) {
|
|
if (big_endian) {
|
|
vgmstream->meta_type = meta_RWAV;
|
|
}
|
|
else {
|
|
vgmstream->meta_type = meta_CWAV;
|
|
vgmstream->allow_dual_stereo = 1; /* LEGO 3DS games */
|
|
}
|
|
}
|
|
else
|
|
vgmstream->meta_type = meta_RWSD;
|
|
|
|
{
|
|
off_t data_start_offset;
|
|
off_t codec_info_offset;
|
|
int i,j;
|
|
|
|
for (j=0;j<vgmstream->channels;j++) {
|
|
if (rwar || rwav)
|
|
{
|
|
if (big_endian)
|
|
{
|
|
/* This is pretty nasty, so an explaination is in order.
|
|
* At 0x10 in the info_chunk is the offset of a table with
|
|
* one entry per channel. Each entry in this table is itself
|
|
* an offset to a set of information for the channel. The
|
|
* first element in the set is the offset into DATA of the
|
|
* channel.
|
|
* The second element is the
|
|
* offset of the codec-specific setup for the channel. */
|
|
|
|
off_t channel_info_offset;
|
|
channel_info_offset = rwav_data.info_chunk +
|
|
read_32bit(rwav_data.info_chunk+
|
|
read_32bit(rwav_data.info_chunk+0x10,streamFile)+j*4,
|
|
streamFile);
|
|
|
|
data_start_offset = rwav_data.start_offset +
|
|
read_32bit(channel_info_offset+0, streamFile);
|
|
codec_info_offset = rwav_data.info_chunk +
|
|
read_32bit(channel_info_offset+4, streamFile);
|
|
}
|
|
|
|
else
|
|
{
|
|
// CWAV uses some relative offsets
|
|
off_t cur_pos = rwav_data.info_chunk + 0x14; // channel count
|
|
cur_pos = cur_pos + read_32bit(cur_pos + 4 + j*8 + 4,streamFile);
|
|
|
|
// size is at cur_pos + 4
|
|
data_start_offset = rwav_data.start_offset + read_32bit(cur_pos + 4, streamFile);
|
|
// codec-specific info is at cur_pos + 0xC
|
|
codec_info_offset = cur_pos + read_32bit(cur_pos + 0xC,streamFile);
|
|
}
|
|
vgmstream->ch[j].channel_start_offset=
|
|
vgmstream->ch[j].offset=data_start_offset;
|
|
} else {
|
|
// dummy for RWSD, must be a proper way to work this out
|
|
codec_info_offset=rwav_data.wave_offset+0x6c+j*0x30;
|
|
}
|
|
|
|
if (vgmstream->coding_type == coding_NGC_DSP) {
|
|
for (i=0;i<16;i++) {
|
|
vgmstream->ch[j].adpcm_coef[i]=read_16bit(codec_info_offset+i*2,streamFile);
|
|
}
|
|
}
|
|
|
|
if (vgmstream->coding_type == coding_3DS_IMA) {
|
|
vgmstream->ch[j].adpcm_history1_16 = read_16bit(codec_info_offset,streamFile);
|
|
vgmstream->ch[j].adpcm_step_index = read_16bit(codec_info_offset+2,streamFile);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (rwar || rwav) {
|
|
/* */
|
|
}
|
|
else {
|
|
if (rwav_data.version == 2)
|
|
rwav_data.start_offset = read_32bit(8,streamFile);
|
|
}
|
|
stream_size = read_32bit(rwav_data.wave_offset+0x50,streamFile);
|
|
|
|
/* open the file for reading by each channel */
|
|
{
|
|
int i;
|
|
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;
|
|
|
|
if (!(rwar || rwav))
|
|
{
|
|
vgmstream->ch[i].channel_start_offset=
|
|
vgmstream->ch[i].offset=
|
|
rwav_data.start_offset + i*stream_size;
|
|
}
|
|
}
|
|
}
|
|
|
|
return vgmstream;
|
|
|
|
/* clean up anything we may have opened */
|
|
fail:
|
|
if (vgmstream) close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|