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Fix .vsv/psh decoding and mono files [Dawn of Mana (PS2)]

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This commit is contained in:
bnnm 2019-01-05 20:20:08 +01:00
parent 28c27bc12a
commit 78099c096b
6 changed files with 63 additions and 45 deletions
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6
src/formats.c
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@ -308,7 +308,7 @@ static const char* extension_list[] = {
"pona",
"pos",
"ps2stm", //fake extension for .stm (renamed? to be removed?)
"psh", // fake extension for VSV(?) Dawn of Mana needs to be checked again
"psh", //fake extension for .vsv (to be removed)
"psnd",
"psw", //fake extension for .wam (renamed, to be removed)
@ -452,7 +452,7 @@ static const char* extension_list[] = {
"vpk",
"vs",
"vsf",
"vsv", // official extension for PSH? TODO: recheck Dawn of Mana
"vsv",
"vxn",
"waa",
@ -833,7 +833,7 @@ static const meta_info meta_info_list[] = {
{meta_MUS_ACM, "InterPlay MUS ACM header"},
{meta_PS2_KCES, "Konami KCES Header"},
{meta_PS2_DXH, "Tokobot Plus DXH Header"},
{meta_PS2_PSH, "Square Enix PSH/VSV Header"},
{meta_VSV, "Square Enix .vsv Header"},
{meta_RIFF_WAVE_labl, "RIFF WAVE header with loop markers"},
{meta_RIFF_WAVE_smpl, "RIFF WAVE header with sample looping info"},
{meta_RIFF_WAVE_wsmp, "RIFF WAVE header with wsmp looping info"},

2
src/meta/meta.h
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@ -227,7 +227,7 @@ VGMSTREAM * init_vgmstream_ps2_kces(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_ps2_dxh(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_ps2_psh(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_vsv(STREAMFILE * streamFile);
VGMSTREAM * init_vgmstream_mus_acm(STREAMFILE * streamFile);

69
src/meta/ps2_psh.c
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@ -3,60 +3,73 @@
#include "ps2_psh_streamfile.h"
/* PSH/VSV - from Square Enix games [Dawn of Mana: Seiken Densetsu 4 (PS2), Kingdom Hearts Re:Chain of Memories (PS2)] */
VGMSTREAM * init_vgmstream_ps2_psh(STREAMFILE *streamFile) {
/* .VSV - from Square Enix games [Dawn of Mana: Seiken Densetsu 4 (PS2), Kingdom Hearts Re:Chain of Memories (PS2)] */
VGMSTREAM * init_vgmstream_vsv(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
STREAMFILE *temp_streamFile = NULL;
off_t start_offset;
int loop_flag, channel_count;
int loop_flag, channel_count, flags, sample_rate, is_rs;
size_t loop_start, adjust, data_size, interleave;
/* checks */
/* .psh: assumed? [Romancing SaGa: Minstrel's Song (PS2)]
* .vsv: official? [Kingdom Hearts HD I.5 + II.5 ReMIX (PS4)] */
if (!check_extensions(streamFile, "psh,vsv"))
goto fail;
/* 0x00(2): 0x0000 (RS:MS) / 0x6440 (KH:RCoM) / varies (DoM) */
if ((uint16_t)read_16bitBE(0x02,streamFile) != 0x6400)
/* .vsv: extension from internal filenames [KH Re:CoM (PS2), DoM (PS2), KH HD I.5 + II.5 ReMIX (PS4)]
* .psh: fake */
if (!check_extensions(streamFile, "vsv,psh"))
goto fail;
channel_count = 2;
/* 0x00(1x4): flags/config? */
if ((uint8_t)read_8bit(0x03,streamFile) > 0x64) /* possibly volume */
goto fail;
if ((uint8_t)read_8bit(0x0a,streamFile) != 0) /* not seen */
goto fail;
/* Romancing SaGa (PS2) uses an earlier? version, this seems to work */
is_rs = ((uint16_t)read_16bitLE(0x00,streamFile) == 0);
start_offset = 0x00; /* correct, but needs some tricks to fix sound (see below) */
interleave = 0x800;
adjust = (uint16_t)read_16bitLE(0x04,streamFile) & 0x7FF; /* upper bits = ??? */
data_size = (uint16_t)read_16bitLE(0x0c,streamFile) * interleave;
/* 0x0e: ? (may be 0x0001, or a low-ish value, not related to looping?) */
loop_start = ((uint16_t)read_16bitLE(0x06,streamFile) & 0x7FFF) * interleave; /* uper bit == loop flag? */
loop_flag = (loop_start != 0); /* (no known files loop from beginning to end) */
adjust = (uint16_t)read_16bitLE(0x04,streamFile);
loop_start = ((uint16_t)read_16bitLE(0x06,streamFile) & 0x7FFF) * interleave;
loop_flag = (uint16_t)read_16bitLE(0x06,streamFile) & 0x8000; /* loop_start != 0 works too, no files loop from beginning to end */
sample_rate = (uint16_t)read_16bitLE(0x08,streamFile);
flags = (uint8_t)read_8bit (0x0b,streamFile); /* values: 0x01=stereo, 0x10=mono */
data_size = (uint16_t)read_16bitLE(0x0c,streamFile) * interleave;
/* 0x0e: ? (may be a low-ish value) */
channel_count = (flags & 1) ? 2 : 1;
/* must discard to avoid wrong loops and unwanted data (easier to see in voices) */
if (!is_rs) { /* RS doesn't do this */
/* adjust & 0xF800 is unknown (values=0x0000|0x0800|0xF800, can be mono/stereo, loop/no, adjust/no) */
size_t discard = adjust & 0x07FF;
/* at (file_end - 0x800 + discard) is a 0x03 PS flag to check this (adjust 0 does discard full block) */
data_size -= (0x800 - discard) * channel_count;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_PS2_PSH;
vgmstream->sample_rate = (uint16_t)read_16bitLE(0x08,streamFile);
vgmstream->num_samples = ps_bytes_to_samples(data_size,channel_count);
vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start,channel_count);
vgmstream->meta_type = meta_VSV;
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = ps_bytes_to_samples(data_size, channel_count);
vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, channel_count);
vgmstream->loop_end_sample = vgmstream->num_samples;
/* loops are odd, but comparing the audio wave with the OSTs these values seem correct */
if (adjust == 0) { /* Romancing SaGa (PS2) */
/* these loops are odd, but comparing the audio wave with the OSTs values seem correct */
if (is_rs) {
vgmstream->loop_start_sample -= ps_bytes_to_samples(channel_count*interleave,channel_count); /* maybe *before* loop block? */
vgmstream->loop_start_sample -= ps_bytes_to_samples(0x200*channel_count,channel_count); /* maybe default adjust? */
}
else { /* all others */
vgmstream->loop_end_sample -= ps_bytes_to_samples((0x800 - adjust)*channel_count,channel_count); /* at last block + adjust is a 0x03 flag */
}
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
temp_streamFile = setup_ps2_psh_streamfile(streamFile, start_offset, data_size);
temp_streamFile = setup_vsv_streamfile(streamFile, start_offset, data_size);
if (!temp_streamFile) goto fail;
if (!vgmstream_open_stream(vgmstream, temp_streamFile, start_offset))

27
src/meta/ps2_psh_streamfile.h
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@ -1,31 +1,36 @@
#ifndef _PS2_PSH_STREAMFILE_H_
#define _PS2_PSH_STREAMFILE_H_
#ifndef _VSV_STREAMFILE_H_
#define _VSV_STREAMFILE_H_
#include "../streamfile.h"
typedef struct {
off_t null_offset;
} ps2_psh_io_data;
} vsv_io_data;
static size_t ps2_psh_io_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, ps2_psh_io_data* data) {
static size_t vsv_io_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, vsv_io_data* data) {
size_t bytes_read;
int i;
bytes_read = streamfile->read(streamfile, dest, offset, length);
/* PSHs do start at 0x00, but first line is also the header; must null it to avoid clicks */
/* VSVs do start at 0x00, but first line is also the header; must null it to avoid clicks */
if (offset < data->null_offset) {
for (i = 0; i < data->null_offset - offset; i++) {
int max = data->null_offset - offset;
if (max > bytes_read)
max = bytes_read;
for (i = 0; i < max; i++) {
dest[i] = 0;
}
}
/* VSV also has last 0x800 block with a PS-ADPCM flag of 0x10 (incorrect), but it's ignored by the decoder */
return bytes_read;
}
static STREAMFILE* setup_ps2_psh_streamfile(STREAMFILE *streamFile, off_t start_offset, size_t data_size) {
static STREAMFILE* setup_vsv_streamfile(STREAMFILE *streamFile, off_t start_offset, size_t data_size) {
STREAMFILE *temp_streamFile = NULL, *new_streamFile = NULL;
ps2_psh_io_data io_data = {0};
size_t io_data_size = sizeof(ps2_psh_io_data);
vsv_io_data io_data = {0};
size_t io_data_size = sizeof(vsv_io_data);
io_data.null_offset = 0x10;
@ -34,7 +39,7 @@ static STREAMFILE* setup_ps2_psh_streamfile(STREAMFILE *streamFile, off_t start_
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
new_streamFile = open_io_streamfile(temp_streamFile, &io_data,io_data_size, ps2_psh_io_read,NULL);
new_streamFile = open_io_streamfile(temp_streamFile, &io_data,io_data_size, vsv_io_read,NULL);
if (!new_streamFile) goto fail;
temp_streamFile = new_streamFile;
@ -45,4 +50,4 @@ fail:
return NULL;
}
#endif /* _PS2_PSH_STREAMFILE_H_ */
#endif /* _VSV_STREAMFILE_H_ */

2
src/vgmstream.c
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@ -114,7 +114,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
init_vgmstream_mus_acm,
init_vgmstream_ps2_kces,
init_vgmstream_ps2_dxh,
init_vgmstream_ps2_psh,
init_vgmstream_vsv,
init_vgmstream_scd_pcm,
init_vgmstream_ps2_pcm,
init_vgmstream_ps2_rkv,

2
src/vgmstream.h
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@ -371,7 +371,7 @@ typedef enum {
meta_PS2_RSTM, /* Midnight Club 3 */
meta_PS2_KCES, /* Dance Dance Revolution */
meta_PS2_DXH, /* Tokobot Plus - Myteries of the Karakuri */
meta_PS2_PSH, /* Square Enix PSH/VSV (Dawn of Mana/KH Re:CoM) */
meta_VSV,
meta_SCD_PCM, /* Lunar - Eternal Blue */
meta_PS2_PCM, /* Konami KCEJ East: Ephemeral Fantasia, Yu-Gi-Oh! The Duelists of the Roses, 7 Blades */
meta_PS2_RKV, /* Legacy of Kain - Blood Omen 2 (PS2) */