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vgmstream/src/meta/musx.c

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18 KiB
C
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#include "meta.h"
#include "../util.h"
/* MUSX (Version 004) --------------------------------------->*/
VGMSTREAM * init_vgmstream_musx_v004(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int loop_flag;
int channel_count;
off_t start_offset;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("musx",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x4D555358) /* "MUSX" */
goto fail;
if (read_32bitBE(0x08,streamFile) != 0x04000000) /* "0x04000000" */
goto fail;
loop_flag = (read_32bitLE(0x840,streamFile) != 0xFFFFFFFF);
channel_count = 2;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
switch (read_32bitBE(0x10,streamFile))
{
case 0x5053325F: /* PS2_ */
start_offset = read_32bitLE(0x28,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_PSX; // PS2 ADPCM
vgmstream->num_samples = (read_32bitLE(0x0C,streamFile))/16/channel_count*28;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x80;
if (loop_flag)
{
vgmstream->loop_start_sample = (read_32bitLE(0x890,streamFile))/16/channel_count*28;
vgmstream->loop_end_sample = (read_32bitLE(0x89C,streamFile))/16/channel_count*28;
}
break;
case 0x47435F5F: /* GC__ */
start_offset = read_32bitBE(0x28,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_DAT4_IMA; // Eurocom DAT4 4-bit IMA ADPCM
vgmstream->num_samples = (read_32bitBE(0x2C,streamFile))/16/channel_count*28;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x20;
if (loop_flag)
{
vgmstream->loop_start_sample = (read_32bitBE(0x890,streamFile))/16/channel_count*28;
vgmstream->loop_end_sample = (read_32bitBE(0x89C,streamFile))/16/channel_count*28;
}
break;
case 0x58425F5F: /* XB__ */
start_offset = read_32bitLE(0x28,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = 44100;
vgmstream->coding_type = coding_DAT4_IMA; // Eurocom DAT4 4-bit IMA ADPCM
vgmstream->num_samples = (read_32bitLE(0x2C,streamFile))/16/channel_count*28;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x20;
if (loop_flag)
{
vgmstream->loop_start_sample = (read_32bitLE(0x890,streamFile))/16/channel_count*28;
vgmstream->loop_end_sample = (read_32bitLE(0x89C,streamFile))/16/channel_count*28;
}
break;
default:
goto fail;
}
vgmstream->meta_type = meta_MUSX_V004;
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* <--------------------------------------- MUSX (Version 004) */
/* MUSX (Version 005) --------------------------------------->*/
VGMSTREAM * init_vgmstream_musx_v005(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int loop_flag;
int channel_count;
off_t start_offset;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("musx",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x4D555358) /* "MUSX" */
goto fail;
if (read_32bitBE(0x08,streamFile) != 0x05000000) /* "0x04000000" */
goto fail;
loop_flag = (read_32bitLE(0x840,streamFile) != 0xFFFFFFFF);
channel_count = 2;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
switch (read_32bitBE(0x10,streamFile))
{
case 0x47435F5F: /* GC__ */
start_offset = read_32bitBE(0x28,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_DAT4_IMA; // Eurocom DAT4 4-bit IMA ADPCM
vgmstream->num_samples = (read_32bitBE(0x2C,streamFile))/16/channel_count*28;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x20;
if (loop_flag)
{
vgmstream->loop_start_sample = (read_32bitBE(0x890,streamFile))/16/channel_count*28;
vgmstream->loop_end_sample = (read_32bitBE(0x89C,streamFile))/16/channel_count*28;
}
break;
default:
goto fail;
}
vgmstream->meta_type = meta_MUSX_V005;
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* <--------------------------------------- MUSX (Version 005) */
/* MUSX (Version 006) ---------------------------------------> */
VGMSTREAM * init_vgmstream_musx_v006(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int loop_flag;
int channel_count;
off_t start_offset;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("musx",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x4D555358) /* "MUSX" */
goto fail;
if (read_32bitBE(0x08,streamFile) != 0x06000000) /* "0x06000000" */
goto fail;
loop_flag = (read_32bitLE(0x840,streamFile)!=0xFFFFFFFF);
channel_count = 2;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
switch (read_32bitBE(0x10,streamFile))
{
case 0x5053325F: /* PS2_ */
start_offset = read_32bitLE(0x28,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = (read_32bitLE(0x0C,streamFile))*28/16/channel_count;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x80;
vgmstream->meta_type = meta_MUSX_V006;
if (loop_flag)
{
vgmstream->loop_start_sample = (read_32bitLE(0x890,streamFile))*28/16/channel_count;
vgmstream->loop_end_sample = (read_32bitLE(0x89C,streamFile))*28/16/channel_count;
}
break;
case 0x47435F5F: /* GC__ */
start_offset = read_32bitBE(0x28,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_DAT4_IMA;
vgmstream->num_samples = (read_32bitBE(0x2C,streamFile))*28/16/channel_count;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x20;
vgmstream->meta_type = meta_MUSX_V006;
if (loop_flag)
{
vgmstream->loop_start_sample = (read_32bitBE(0x890,streamFile))*28/16/channel_count;
vgmstream->loop_end_sample = (read_32bitBE(0x89C,streamFile))*28/16/channel_count;
}
break;
default:
goto fail;
}
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* <--------------------------------------- MUSX (Version 006) */
/* MUSX (Version 010) --------------------------------------->*/
/* WII_ in Dead Space: Extraction */
VGMSTREAM * init_vgmstream_musx_v010(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
int musx_type; /* determining the decoder by strings like "PS2_", "GC__" and so on */
//int musx_version; /* 0x08 provides a "version" byte */
int loop_flag = 0;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("musx",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x4D555358) /* "MUSX" */
goto fail;
if (read_32bitBE(0x800,streamFile) == 0x53424E4B) /* "SBNK", */ // SoundBank, refuse
goto fail;
if (read_32bitBE(0x08,streamFile) != 0x0A000000) /* "0x0A000000" */
goto fail;
loop_flag = ((read_32bitLE(0x34,streamFile)!=0x00000000) &&
(read_32bitLE(0x34,streamFile)!=0xABABABAB));
channel_count = 2;
musx_type=(read_32bitBE(0x10,streamFile));
if (musx_type == 0x5749495F && /* WII_ */
(read_16bitBE(0x40,streamFile) == 0x4441) && /* DA */
(read_8bit(0x42,streamFile) == 0x54)) /* T */
{
channel_count = read_32bitLE(0x48,streamFile);
loop_flag = (read_32bitLE(0x64,streamFile) != -1);
}
if (musx_type == 0x5053335F && /* PS3_ */
(read_16bitBE(0x40,streamFile) == 0x4441) && /* DA */
(read_8bit(0x42,streamFile) == 0x54)) /* T */
{
channel_count = read_32bitLE(0x48,streamFile);
loop_flag = (read_32bitLE(0x64,streamFile) != -1);
}
if (0x58455F5F == musx_type) /* XE__ */
{
loop_flag = 0;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
switch (musx_type) {
case 0x5053325F: /* PS2_ */
start_offset = 0x800;
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = read_32bitLE(0x40,streamFile);
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x80;
vgmstream->meta_type = meta_MUSX_V010;
if (loop_flag)
{
vgmstream->loop_start_sample = read_32bitLE(0x44,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x40,streamFile);
}
break;
case 0x5053505F: /* PSP_ */
start_offset = 0x800;
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32768;
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = (read_32bitLE(0xC,streamFile))*28/32;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x80;
vgmstream->meta_type = meta_MUSX_V010;
break;
case 0x5053335F: /* PS3_ */
start_offset = 0x800;
vgmstream->channels = channel_count;
vgmstream->coding_type = coding_DAT4_IMA;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x20;
vgmstream->meta_type = meta_MUSX_V010;
if (read_32bitBE(0x40,streamFile)==0x44415438){
vgmstream->num_samples = read_32bitLE(0x60,streamFile);
vgmstream->sample_rate = read_32bitLE(0x4C,streamFile);
if (loop_flag)
{
vgmstream->loop_start_sample = read_32bitLE(0x64,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x60,streamFile);
}
}
else {
vgmstream->sample_rate = 44100;
vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)/2/(0x20)*((0x20-4)*2);
if (loop_flag)
{
vgmstream->loop_start_sample = read_32bitLE(0x44,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x40,streamFile);
}
}
break;
case 0x5749495F: /* WII_ */
start_offset = 0x800;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitLE(0x4C,streamFile);
switch (read_32bitBE(0x40,streamFile))
{
case 0x44415434: /* DAT4 */
case 0x44415438: /* DAT8 */
vgmstream->coding_type = coding_DAT4_IMA;
break;
default:
goto fail;
}
vgmstream->num_samples = read_32bitLE(0x60,streamFile);
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x20;
vgmstream->meta_type = meta_MUSX_V010;
if (loop_flag)
{
vgmstream->loop_start_sample = read_32bitLE(0x64,streamFile);
vgmstream->loop_end_sample = read_32bitLE(0x60,streamFile);
}
break;
case 0x58455F5F: /* XE__ */
start_offset = 0x800;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_DAT4_IMA;
vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)/2/(0x20)*((0x20-4)*2);
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x20;
vgmstream->meta_type = meta_MUSX_V010;
break;
default:
goto fail;
}
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* <--------------------------------------- MUSX (Version 010) */
/* MUSX (Version 201) --------------------------------------->*/
VGMSTREAM * init_vgmstream_musx_v201(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
//int musx_version; /* 0x08 provides a "version" byte */
int loop_flag;
int channel_count;
int loop_detect;
int loop_offsets;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("musx",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x4D555358) /* "MUSX" */
goto fail;
if ((read_32bitBE(0x08,streamFile) != 0xC9000000) &&
(read_32bitLE(0x08,streamFile) != 0xC9000000)) /* "0xC9000000" */
goto fail;
channel_count = 2;
loop_detect = read_32bitBE(0x800,streamFile);
switch (loop_detect) {
case 0x02000000:
loop_offsets = 0x8E0;
break;
case 0x03000000:
loop_offsets = 0x880;
break;
case 0x04000000:
loop_offsets = 0x8B4;
break;
case 0x05000000:
loop_offsets = 0x8E8;
break;
case 0x06000000:
loop_offsets = 0x91C;
break;
default:
goto fail;
}
loop_flag = (read_32bitLE(loop_offsets+0x04,streamFile) !=0x00000000);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = read_32bitLE(0x18,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = 32000;
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = read_32bitLE(loop_offsets,streamFile)*28/16/channel_count;
if (loop_flag) {
vgmstream->loop_start_sample = read_32bitLE(loop_offsets+0x10,streamFile)*28/16/channel_count;
vgmstream->loop_end_sample = read_32bitLE(loop_offsets,streamFile)*28/16/channel_count;
}
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x80;
vgmstream->meta_type = meta_MUSX_V201;
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* <--------------------------------------- MUSX (Version 201) */
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