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bnnm 2020-02-02 19:58:09 +01:00
parent 657202380b
commit 9b4769c3ad
1 changed files with 85 additions and 85 deletions
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170
src/meta/vsv.c
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@ -1,85 +1,85 @@
#include "meta.h" #include "meta.h"
#include "../coding/coding.h" #include "../coding/coding.h"
#include "vsv_streamfile.h" #include "vsv_streamfile.h"
/* .VSV - from Square Enix games [Dawn of Mana: Seiken Densetsu 4 (PS2), Kingdom Hearts Re:Chain of Memories (PS2)] */ /* .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 * init_vgmstream_vsv(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL; VGMSTREAM * vgmstream = NULL;
STREAMFILE *temp_streamFile = NULL; STREAMFILE *temp_streamFile = NULL;
off_t start_offset; off_t start_offset;
int loop_flag, channel_count, flags, sample_rate, is_rs; int loop_flag, channel_count, flags, sample_rate, is_rs;
size_t loop_start, adjust, data_size, interleave; size_t loop_start, adjust, data_size, interleave;
/* checks */ /* checks */
/* .vsv: extension from internal filenames [KH Re:CoM (PS2), DoM (PS2), KH HD I.5 + II.5 ReMIX (PS4)] /* .vsv: extension from internal filenames [KH Re:CoM (PS2), DoM (PS2), KH HD I.5 + II.5 ReMIX (PS4)]
* .psh: fake */ * .psh: fake */
if (!check_extensions(streamFile, "vsv,psh")) if (!check_extensions(streamFile, "vsv,psh"))
goto fail; goto fail;
/* 0x00(1x4): flags/config? */ /* 0x00(1x4): flags/config? */
if ((uint8_t)read_8bit(0x03,streamFile) > 0x64) /* possibly volume */ if ((uint8_t)read_8bit(0x03,streamFile) > 0x64) /* possibly volume */
goto fail; goto fail;
if ((uint8_t)read_8bit(0x0a,streamFile) != 0) /* not seen */ if ((uint8_t)read_8bit(0x0a,streamFile) != 0) /* not seen */
goto fail; goto fail;
/* Romancing SaGa (PS2) uses an earlier? version, this seems to work */ /* Romancing SaGa (PS2) uses an earlier? version, this seems to work */
is_rs = ((uint16_t)read_16bitLE(0x00,streamFile) == 0); is_rs = ((uint16_t)read_16bitLE(0x00,streamFile) == 0);
start_offset = 0x00; /* correct, but needs some tricks to fix sound (see below) */ start_offset = 0x00; /* correct, but needs some tricks to fix sound (see below) */
interleave = 0x800; interleave = 0x800;
adjust = (uint16_t)read_16bitLE(0x04,streamFile); adjust = (uint16_t)read_16bitLE(0x04,streamFile);
loop_start = ((uint16_t)read_16bitLE(0x06,streamFile) & 0x7FFF) * interleave; 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 */ 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); sample_rate = (uint16_t)read_16bitLE(0x08,streamFile);
flags = (uint8_t)read_8bit (0x0b,streamFile); /* values: 0x01=stereo, 0x10=mono */ flags = (uint8_t)read_8bit (0x0b,streamFile); /* values: 0x01=stereo, 0x10=mono */
data_size = (uint16_t)read_16bitLE(0x0c,streamFile) * interleave; data_size = (uint16_t)read_16bitLE(0x0c,streamFile) * interleave;
/* 0x0e: ? (may be a low-ish value) */ /* 0x0e: ? (may be a low-ish value) */
channel_count = (flags & 1) ? 2 : 1; channel_count = (flags & 1) ? 2 : 1;
/* must discard to avoid wrong loops and unwanted data (easier to see in voices) */ /* must discard to avoid wrong loops and unwanted data (easier to see in voices) */
if (!is_rs) { /* RS doesn't do this */ if (!is_rs) { /* RS doesn't do this */
/* adjust & 0xF800 is unknown (values=0x0000|0x0800|0xF800, can be mono/stereo, loop/no, adjust/no) */ /* adjust & 0xF800 is unknown (values=0x0000|0x0800|0xF800, can be mono/stereo, loop/no, adjust/no) */
size_t discard = adjust & 0x07FF; size_t discard = adjust & 0x07FF;
/* at (file_end - 0x800 + discard) is a 0x03 PS flag to check this (adjust 0 does discard full block) */ /* 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; data_size -= (0x800 - discard) * channel_count;
} }
/* build the VGMSTREAM */ /* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag); vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail; if (!vgmstream) goto fail;
vgmstream->meta_type = meta_VSV; vgmstream->meta_type = meta_VSV;
vgmstream->sample_rate = sample_rate; vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = ps_bytes_to_samples(data_size, channel_count); 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_start_sample = ps_bytes_to_samples(loop_start, channel_count);
vgmstream->loop_end_sample = vgmstream->num_samples; vgmstream->loop_end_sample = vgmstream->num_samples;
/* these loops are odd, but comparing the audio wave with the OSTs values seem correct */ /* these loops are odd, but comparing the audio wave with the OSTs values seem correct */
if (is_rs) { 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(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? */ vgmstream->loop_start_sample -= ps_bytes_to_samples(0x200*channel_count,channel_count); /* maybe default adjust? */
} }
vgmstream->coding_type = coding_PSX; vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave; vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave; vgmstream->interleave_block_size = interleave;
temp_streamFile = setup_vsv_streamfile(streamFile, start_offset, data_size); temp_streamFile = setup_vsv_streamfile(streamFile, start_offset, data_size);
if (!temp_streamFile) goto fail; if (!temp_streamFile) goto fail;
if (!vgmstream_open_stream(vgmstream, temp_streamFile, start_offset)) if (!vgmstream_open_stream(vgmstream, temp_streamFile, start_offset))
goto fail; goto fail;
close_streamfile(temp_streamFile); close_streamfile(temp_streamFile);
return vgmstream; return vgmstream;
fail: fail:
close_streamfile(temp_streamFile); close_streamfile(temp_streamFile);
close_vgmstream(vgmstream); close_vgmstream(vgmstream);
return NULL; return NULL;
} }