Initial community commit

Src/Plugins/Input/in_mkv/MKVDuration.h

@@ -0,0 +1,20 @@
+#pragma once
+#include "../nsmkv/header.h"
+#include "../nsmkv/segmentinfo.h"
+// parses only enough information to determine the file duration
+
+class MKVDuration
+{
+public:
+	MKVDuration();
+	bool Open(const wchar_t *filename);
+	int GetLengthMilliseconds();
+	const char *GetTitle();
+	int GetBitrate();
+private:
+	uint64_t ReadSegment(nsmkv::MKVReader *reader, uint64_t size);
+	bool segment_info_found;
+	nsmkv::Header header;
+	nsmkv::SegmentInfo segment_info;
+	uint64_t content_length;
+};