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EA SBK: misc changes

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This commit is contained in:
EdnessP 2024-05-09 13:19:14 +03:00
parent 3fdbe757ae
commit 70272bf73b
1 changed files with 19 additions and 18 deletions
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37
src/meta/ea_sbk.c
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@ -6,8 +6,9 @@
VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
int target_stream = sf->stream_index;
off_t chunk_offset;
size_t chunk_size;
off_t sdat_offset;
size_t sdat_size;
read_u32_t read_u32;
/* checks */
if (!is_id32be(0x00, sf, "sbnk") && /* sbnk */
@ -18,12 +19,14 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
return NULL;
read_u32_t read_u32 = is_id32be(0x00, sf, "sbnk") ? read_u32le : read_u32be;
read_u32 = is_id32be(0x00, sf, "sbnk") ? read_u32le : read_u32be;
chunk_offset = read_u32(0x10, sf);
chunk_size = read_u32(0x14, sf);
sdat_offset = read_u32(0x10, sf);
sdat_size = read_u32(0x14, sf);
if (chunk_offset + chunk_size != get_streamfile_size(sf))
/* lots of other unk data between here and the sdat chunk */
if (sdat_offset + sdat_size != get_streamfile_size(sf))
goto fail;
@ -31,17 +34,17 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
if (target_stream == 0) target_stream = 1;
target_stream -= 1;
if (is_id32be(chunk_offset, sf, "BNKl") ||
is_id32be(chunk_offset, sf, "BNKb")) {
if (is_id32be(sdat_offset, sf, "BNKl") ||
is_id32be(sdat_offset, sf, "BNKb")) {
/* The Godfather */
vgmstream = load_vgmstream_ea_bnk(sf, chunk_offset, target_stream, 0);
vgmstream = load_vgmstream_ea_bnk(sf, sdat_offset, target_stream, 0);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_EA_SBK;
}
else if (is_id32be(chunk_offset, sf, "sdat") || /* sdat */
is_id32le(chunk_offset, sf, "sdat")) { /* tads */
else if (is_id32be(sdat_offset, sf, "sdat") || /* sdat */
is_id32le(sdat_offset, sf, "sdat")) { /* tads */
/* The Simpsons Game */
int total_streams;
@ -50,22 +53,20 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
eaac_meta_t info = {0};
total_streams = read_u32(chunk_offset + 0x04, sf);
total_streams = read_u32(sdat_offset + 0x04, sf);
if (total_streams < 1 || target_stream + 1 > total_streams)
goto fail;
entry_offset = chunk_offset + 0x8 + target_stream * 0x10;
/* For each entry:
* 0x00: stream index
* 0x04: 0x0313BABE (?)
* 0x08: stream offset
* 0x0C: 0xFEEDFEED (?)
*/
if (read_u32(entry_offset + 0x00, sf) != target_stream)
goto fail;
entry_offset = sdat_offset + 0x08 + target_stream * 0x10;
stream_offset = chunk_offset + read_u32(entry_offset + 0x08, sf);
if (read_u32(entry_offset + 0x00, sf) != target_stream) goto fail;
stream_offset = sdat_offset + read_u32(entry_offset + 0x08, sf);
info.sf_head = sf;
info.sf_body = sf;
@ -79,7 +80,7 @@ VGMSTREAM* init_vgmstream_ea_sbk(STREAMFILE* sf) {
vgmstream->num_streams = total_streams;
}
else {
VGM_LOG("EA SBK: unsupported sound data block\n");
VGM_LOG("EA SBK: unsupported sound data chunk\n");
goto fail;
}