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Fix some .nus3audio with dummy entries

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This commit is contained in:
bnnm 2023-03-04 14:00:18 +01:00
parent 353b97de5d
commit 43fd6ef309
1 changed files with 15 additions and 17 deletions
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32
src/meta/nus3audio.c
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@ -7,37 +7,37 @@ typedef enum { IDSP, OPUS, RIFF, } nus3audio_codec;
VGMSTREAM* init_vgmstream_nus3audio(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
STREAMFILE* temp_sf = NULL;
off_t subfile_offset = 0, name_offset = 0;
size_t subfile_size = 0;
uint32_t subfile_offset = 0, subfile_size = 0, name_offset = 0;
nus3audio_codec codec;
const char* fake_ext = NULL;
int total_subsongs, target_subsong = sf->stream_index, found = 0;
/* checks */
if (!check_extensions(sf, "nus3audio"))
goto fail;
if (read_u32be(0x00,sf) != 0x4E555333) /* "NUS3" */
if (!is_id32be(0x00,sf, "NUS3"))
goto fail;
if (read_u32le(0x04,sf) + 0x08 != get_streamfile_size(sf))
goto fail;
if (read_u32be(0x08,sf) != 0x41554449) /* "AUDI" */
if (!is_id32be(0x08,sf, "AUDI"))
goto fail;
if (!check_extensions(sf, "nus3audio"))
goto fail;
/* parse existing chunks */
{
off_t offset = 0x0c;
size_t file_size = get_streamfile_size(sf);
uint32_t offset = 0x0c;
uint32_t file_size = get_streamfile_size(sf);
uint32_t codec_id = 0;
total_subsongs = 0;
while (offset < file_size) {
uint32_t chunk_id = read_u32be(offset+0x00, sf);
size_t chunk_size = read_u32le(offset+0x04, sf);
uint32_t chunk_type = read_u32be(offset+0x00, sf);
uint32_t chunk_size = read_u32le(offset+0x04, sf);
switch(chunk_id) {
switch(chunk_type) {
case 0x494E4458: /* "INDX": audio index */
total_subsongs = read_u32le(offset+0x08 + 0x00,sf);
if (target_subsong == 0) target_subsong = 1;
@ -70,8 +70,8 @@ VGMSTREAM* init_vgmstream_nus3audio(STREAMFILE* sf) {
goto fail;
}
/* handle dummy entries, ex. Gundam EvM (PS4) */
if (subfile_offset == 0 && subfile_size == 0) {
/* handle dummy entries (offset may be 0 or first entry), ex. Gundam EvM (PS4) */
if (subfile_size == 0) {
vgmstream = init_vgmstream_silence(0, 0, 0);
if (!vgmstream) goto fail;
@ -80,7 +80,7 @@ VGMSTREAM* init_vgmstream_nus3audio(STREAMFILE* sf) {
return vgmstream;
}
codec_id = read_u32be(subfile_offset, sf);
switch(codec_id) {
@ -97,7 +97,7 @@ VGMSTREAM* init_vgmstream_nus3audio(STREAMFILE* sf) {
fake_ext = "wav";
break;
default:
VGM_LOG("NUS3AUDIO: unknown codec %x\n", codec_id);
vgm_logi("NUS3AUDIO: unknown codec (report)\n");
goto fail;
}
}
@ -136,5 +136,3 @@ fail:
close_vgmstream(vgmstream);
return NULL;
}