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RWS 0x80D: DSP-ADPCM initial sample history data

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This commit is contained in:
EdnessP 2023-12-26 05:07:31 +02:00
parent abbd226b36
commit 268c24efc6
1 changed files with 7 additions and 3 deletions
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10
src/meta/rws_80d.c
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@ -40,6 +40,7 @@ typedef struct {
size_t block_layers_size;
off_t coefs_offset;
off_t hist_offset;
char readable_name[STREAM_NAME_SIZE];
} rws_header;
@ -200,7 +201,7 @@ VGMSTREAM* init_vgmstream_rws(STREAMFILE* sf) {
for (i = 0; i < rws.total_layers; i++) {
uint32_t layer_codec = 0;
if (i+1 == rws.target_layer) {
rws.sample_rate = read_u32(offset + 0x00, sf);
rws.sample_rate = read_u32(offset + 0x00, sf);
/* 0x04: config? */
//rws.layer_size = read_u32(offset + 0x08, sf); /* same or close to usable size */
/* 0x0c: bits per sample */
@ -210,7 +211,7 @@ VGMSTREAM* init_vgmstream_rws(STREAMFILE* sf) {
/* 0x18: null or some size? */
rws.codec = read_u32(offset + 0x1c, sf); /* 128b uuid (32b-16b-16b-8b*8) but first 32b is enough */
}
layer_codec = read_u32(offset + 0x1c, sf);
layer_codec = read_u32(offset + 0x1c, sf);
offset += 0x2c;
/* DSP has an extra field per layer */
@ -219,6 +220,7 @@ VGMSTREAM* init_vgmstream_rws(STREAMFILE* sf) {
/* 0x04: approx size/loop related? (can be 0) */
if (i+1 == rws.target_layer) {
rws.coefs_offset = offset + 0x1c;
rws.hist_offset = offset + 0x40;
}
offset += 0x60;
}
@ -322,12 +324,14 @@ VGMSTREAM* init_vgmstream_rws(STREAMFILE* sf) {
break;
case 0xF86215B0: /* {F86215B0,31D5,4C29,BD,37,CD,BF,9B,D1,0C,53} DSP GC/Wii */
/* Burnout 2 (GC), Alice in Wonderland (Wii) */
/* Burnout 2 (GC), Alice in Wonderland (Wii), Call of Duty: Finest Hour (GC) */
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->interleave_block_size = rws.block_size / 2;
/* get coefs (all channels share them; also seem fixed for all RWS) */
dsp_read_coefs_be(vgmstream, sf, rws.coefs_offset, 0);
/* get initial sample history data (rarely used / often empty) */
dsp_read_hist_be(vgmstream, sf, rws.hist_offset, 0);
vgmstream->num_samples = dsp_bytes_to_samples(stream_size, rws.channels);
break;