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Fix TXTH auto data_size with subsongs to calc up to next start_offset

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This commit is contained in:
bnnm 2019-03-16 00:12:25 +01:00
parent d9c3720f73
commit 4acd10d1b1
1 changed files with 16 additions and 2 deletions
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18
src/meta/txth.c
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@ -777,8 +777,22 @@ static int parse_keyval(STREAMFILE * streamFile_, txth_header * txth, const char
else if (is_string(key,"start_offset")) {
if (!parse_num(txth->streamHead,txth,val, &txth->start_offset)) goto fail;
if (!txth->data_size_set) {
txth->data_size = !txth->streamBody ? 0 :
get_streamfile_size(txth->streamBody) - txth->start_offset; /* re-evaluate */
uint32_t body_size = !txth->streamBody ? 0 : get_streamfile_size(txth->streamBody);
/* with subsongs we want to clamp body_size from this subsong start to next subsong start */
if (txth->subsong_count > 1 && txth->target_subsong < txth->subsong_count) {
uint32_t next_offset;
/* temp move to next start_offset and move back*/
txth->target_subsong++;
parse_num(txth->streamHead,txth,val, &next_offset);
txth->target_subsong--;
if (next_offset > txth->start_offset) {
body_size = next_offset;
}
}
if (body_size && body_size > txth->start_offset)
txth->data_size = body_size - txth->start_offset; /* re-evaluate */
}
}
else if (is_string(key,"data_size")) {