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find_subfiles: try to determine if a .sub file is text or vobsub

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A file with the ambiguous extension .sub could be either VOBsub or
MicroDVD. If there's a corresponding .idx file it's certainly VOBsub,
so don't add it to the list of potential text subtitles. This will
avoid the annoying warning "SUB: Could not determine file format".
This commit is contained in:
Clément Bœsch 2011-03-03 11:39:18 +01:00 committed by Uoti Urpala
parent 1c6995d76c
commit 1a152eadaf
1 changed files with 14 additions and 0 deletions

14
sub/find_subfiles.c
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@ -153,6 +153,20 @@ static void append_dir_subtitles(struct subfn **slist, int *nsub,
strcpy_get_ext(tmp_fname_ext, de->d_name);
strcpy_trim(tmp_fname_trim, tmp_fname_noext);
// If it's a .sub, check if there is a .idx with the same name. If
// there is one, it's certainly a vobsub so we skip it.
if (strcasecmp(tmp_fname_ext, "sub") == 0) {
struct bstr idxname = BSTR(talloc_strdup(NULL, de->d_name));
strcpy(idxname.start + idxname.len - sizeof("idx") + 1, "idx");
char *idx = mp_path_join(idxname.start, path, idxname);
f = fopen(idx, "rt");
talloc_free(idxname.start);
if (f) {
fclose(f);
continue;
}
}
// does it end with a subtitle extension?
found = 0;
#ifdef CONFIG_ICONV