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Fix short .mds coefs [T3: The Redemption (GC), MI: Operation Surma (GC)]

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This commit is contained in:
bnnm 2018-10-27 22:25:15 +02:00
parent 9e553eb7f0
commit 693842ea09
1 changed files with 20 additions and 15 deletions
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35
src/meta/ngc_dsp_mpds.c
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@ -9,30 +9,30 @@ VGMSTREAM * init_vgmstream_ngc_dsp_mpds(STREAMFILE *streamFile) {
int loop_flag = 0, channel_count, short_mpds;
/* check extension, case insensitive */
/* checks */
/* .dsp: Big Air Freestyle */
/* .mds: Terminator 3 The Redemption, Mission Impossible: Operation Surma */
if (!check_extensions(streamFile, "dsp,mds")) goto fail;
/* check header */
if (!check_extensions(streamFile, "dsp,mds"))
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x4D504453) /* "MPDS" */
goto fail;
short_mpds = read_32bitBE(0x04,streamFile) != 0x00010000 && check_extensions(streamFile, "mds"); /* version byte? */
short_mpds = read_32bitBE(0x04,streamFile) != 0x00010000 && /* version byte? */
check_extensions(streamFile, "mds");
channel_count = short_mpds ?
read_16bitBE(0x0a, streamFile) :
read_32bitBE(0x14, streamFile);
if (channel_count > 2) goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->meta_type = meta_NGC_DSP_MPDS;
vgmstream->layout_type = channel_count == 1 ? layout_none : layout_interleave;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
if (!short_mpds) { /* Big Air Freestyle */
start_offset = 0x80;
@ -50,17 +50,22 @@ VGMSTREAM * init_vgmstream_ngc_dsp_mpds(STREAMFILE *streamFile) {
vgmstream->num_samples = read_32bitBE(0x04,streamFile);
vgmstream->sample_rate = (uint16_t)read_16bitBE(0x08,streamFile);
vgmstream->interleave_block_size = channel_count==1 ? 0 : 0x200;
/* some kind of hist after 0x0c? */
#if 0 //unknown coeffs/hist, related to data after 0x0c? (only coefs 0..7 seem to be needed)
/* set coefs, debugged from the MI:OS ELF (helpfully marked as "sMdsCoefs") */
{
off_t offset = 0x0c;
int i,ch;
for (ch=0; ch < vgmstream->channels; ch++) {
for (i=0; i < 16; i++)
vgmstream->ch[ch].adpcm_coef[i] = read_16bitBE(offset + i*2);
static const int16_t coefs[16] = {
0x0000,0x0000,0x0780,0x0000,0x0e60,0xf980,0x0c40,0xf920,
0x0f40,0xf880,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000
};
int i, ch;
for (ch = 0; ch < channel_count; ch++) {
for (i = 0; i < 16; i++) {
vgmstream->ch[ch].adpcm_coef[i] = coefs[i];
}
}
}
#endif
}