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VIDEO: Implemented subtitle retrieval for SRT subtitles

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This commit is contained in:
Eugene Sandulenko 2018-05-20 15:09:21 +02:00
parent aafcce2a9a
commit d9fdaa3fe1
2 changed files with 19 additions and 6 deletions
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24
video/srt_parser.cpp
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@ -82,11 +82,12 @@ bool parseTime(const char **pptr, uint32 *res) {
return true;
}
struct SRTEntryComparator {
bool operator()(const SRTEntry *l, const SRTEntry *r) {
return (l->start < r->start);
}
};
int SRTEntryComparator(const void *item1, const void *item2) {
const SRTEntry *l = *(const SRTEntry **)item1;
const SRTEntry *r = *(const SRTEntry **)item2;
return l->start - r->start;
}
bool SRTParser::parseFile(const char *fname) {
Common::File f;
@ -180,9 +181,20 @@ bool SRTParser::parseFile(const char *fname) {
_entries.push_back(new SRTEntry(seq, start, end, text));
}
Common::sort(_entries.begin(), _entries.end(), SRTEntryComparator());
qsort(_entries.data(), _entries.size(), sizeof(SRTEntry *), &SRTEntryComparator);
return true;
}
Common::String SRTParser::getSubtitle(uint32 timestamp) {
SRTEntry test(0, timestamp, 0, "");
const SRTEntry *entry = (const SRTEntry *)bsearch(&test, _entries.data(), _entries.size(), sizeof(SRTEntry *), &SRTEntryComparator);
if (entry->start >= timestamp && entry->end <= timestamp)
return entry->text;
return "";
}
} // End of namespace Video

1
video/srt_parser.h
View File

@ -46,6 +46,7 @@ public:
void cleanup();
bool parseFile(const char *fname);
Common::String getSubtitle(uint32 timestamp);
private:
Common::Array<SRTEntry *> _entries;