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Fix .sdt [Baldur's Gate - Dark Alliance (GC)]

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This commit is contained in:
bnnm 2019-01-01 21:01:45 +01:00
parent 42ce03a004
commit 6ccceee033
2 changed files with 38 additions and 57 deletions
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3
src/formats.c
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@ -843,6 +843,9 @@ static const meta_info meta_info_list[] = {
{meta_PS2_RKV, "Legacy of Kain - Blood Omen 2 RKV PS2 header"},
{meta_PS2_VAS, "Pro Baseball Spirits 5 VAS Header"},
{meta_PS2_TEC, "assumed TECMO badflagged stream by .tec extension"},
{meta_PS2_ENTH, ".enth Header"},
{meta_SDT, "High Voltage .sdt header"},
{meta_NGC_TYDSP, ".tydsp Header"},
{meta_XBOX_WVS, "Metal Arms WVS Header (XBOX)"},
{meta_NGC_WVS, "Metal Arms WVS Header (GameCube)"},
{meta_XBOX_MATX, "assumed Matrix file by .matx extension"},

92
src/meta/sdt.c
View File

@ -1,80 +1,58 @@
#include "meta.h"
#include "../util.h"
#include "../coding/coding.h"
/* SDT (Baldur's Gate - Dark Alliance) */
/* .sdt - from High Voltage games? [Baldur's Gate - Dark Alliance (GC)] */
VGMSTREAM * init_vgmstream_sdt(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
size_t data_size;
int loop_flag, channel_count;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("sdt",filename_extension(filename))) goto fail;
#if 0
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x53565300) /* "SVS\0" */
/* checks */
if (!check_extensions(streamFile, "sdt"))
goto fail;
#endif
loop_flag = (read_32bitBE(0x04,streamFile)!=0);
channel_count = 2;
/* build the VGMSTREAM */
channel_count = read_32bitBE(0x00,streamFile); /* assumed */
loop_flag = (read_32bitBE(0x04,streamFile) != 0);
start_offset = 0xA0;
data_size = get_streamfile_size(streamFile) - start_offset;
if (channel_count != 2)
goto fail; /* only seen this */
if (read_32bitBE(0x08,streamFile) != read_32bitBE(0x08,streamFile))
goto fail; /* sample rate agreement between channels */
if (read_32bitBE(0x98,streamFile) != 0x8000)
goto fail; /* expected interleave */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0xA0;
vgmstream->channels = channel_count; /*read_32bitBE(0x00,streamFile);*/
vgmstream->meta_type = meta_SDT;
vgmstream->sample_rate = read_32bitBE(0x08,streamFile);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->num_samples = read_32bitBE(0x14,streamFile)/8*14/channel_count;
vgmstream->num_samples = dsp_bytes_to_samples(data_size, channel_count); /* maybe at @0x14 - 2? */
if (loop_flag) {
vgmstream->loop_start_sample = 0; /* (read_32bitLE(0x08,streamFile)-1)*28; */
vgmstream->loop_end_sample = read_32bitBE(0x14,streamFile)/8*14/channel_count;
vgmstream->loop_start_sample = 0; /* maybe @0x08? */
vgmstream->loop_end_sample = vgmstream->num_samples; /* maybe @0x10? */
}
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x8000;
if (vgmstream->interleave_block_size)
vgmstream->interleave_last_block_size =
(data_size % (vgmstream->interleave_block_size*vgmstream->channels)) / vgmstream->channels;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x8000;
vgmstream->meta_type = meta_SDT;
dsp_read_coefs_be(vgmstream,streamFile, 0x3c,0x2E);
dsp_read_hist_be(vgmstream, streamFile, 0x60,0x2E);
if (vgmstream->coding_type == coding_NGC_DSP) {
int i;
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x3C+i*2,streamFile);
}
if (vgmstream->channels) {
for (i=0;i<16;i++) {
vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x6A+i*2,streamFile);
}
}
}
/* 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;
}
}
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
close_vgmstream(vgmstream);
return NULL;
}