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Fix Ogg .eno

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This commit is contained in:
bnnm 2022-11-27 00:28:28 +01:00
parent adea971e3d
commit f518c4d0b7
1 changed files with 9 additions and 9 deletions
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18
src/meta/ogg_vorbis_streamfile.h
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@ -26,30 +26,30 @@ static size_t ogg_vorbis_io_read(STREAMFILE *sf, uint8_t *dest, off_t offset, si
if (data->cfg.is_encrypted) {
int max = bytes;
int header_end = 0x04 + data->cfg.start;
int header_end = 0x04;
//TODO handle data->cfg.start;
if (data->cfg.max_offset + data->cfg.start) {
if (offset > data->cfg.max_offset + data->cfg.start) {
if (data->cfg.max_offset) {
if (offset > data->cfg.max_offset) {
max = 0;
}
else {
max = data->cfg.max_offset + data->cfg.start - offset;
max = data->cfg.max_offset - offset;
if (max > bytes)
max = bytes;
}
}
for (i = 0; i < max; i++) {
if (data->cfg.is_header_swap &&
(offset + i) >= data->cfg.start &&
(offset + i) < header_end) {
if (data->cfg.is_header_swap && (offset + i) < header_end) {
dest[i] = header_swap[(offset + i) % 0x04];
}
else {
if (!data->cfg.key_len && !data->cfg.is_nibble_swap)
break;
if (data->cfg.key_len && (offset + i) >= data->cfg.start)
dest[i] ^= data->cfg.key[(offset + i - data->cfg.start) % data->cfg.key_len];
if (data->cfg.key_len)
dest[i] ^= data->cfg.key[(offset + i) % data->cfg.key_len];
if (data->cfg.is_nibble_swap)
dest[i] = ((dest[i] << 4) & 0xf0) | ((dest[i] >> 4) & 0x0f);
}