Initial community commit

Src/nsmkv/Cues.h

@@ -0,0 +1,76 @@
+#pragma once
+#include <bfc/platform/types.h>
+#include "mkv_reader.h"
+#include <map>
+
+const uint32_t mkv_segment_cues = 0xc53bb6b;
+const uint32_t mkv_cues_cuepoint = 0x3b;
+const uint32_t mkv_cuepoint_cuetime=0x33;
+const uint32_t mkv_cuepoint_cuetrackpositions = 0x37;
+const uint32_t mkv_cuetrackpositions_cuetrack= 0x77;
+const uint32_t mkv_cuetrackpositions_cueclusterposition=0x71;
+
+namespace nsmkv
+{
+
+	class CueTrackPosition
+	{
+	public:
+		CueTrackPosition()
+#ifdef WA_VALIDATE
+		:
+		track_found(false),
+		cluster_position_found(false)
+//		block_number_found(false)
+#endif
+		{
+			track=0;
+			cluster_position=0;
+			block_number=0;
+		}
+		uint64_t track;
+		uint64_t cluster_position;
+		uint64_t block_number;
+
+#ifdef WA_VALIDATE
+		bool track_found;
+		bool cluster_position_found;
+//		bool block_number_found;
+#endif
+	};
+
+	class CuePoint
+	{
+	public:
+		CuePoint()
+#ifdef WA_VALIDATE
+			:
+			cue_time_found(false)
+#endif
+		{
+			cue_time = 0;
+		}
+		CueTrackPosition *GetPosition(uint64_t track);
+		uint64_t cue_time;
+		typedef std::map<uint64_t, CueTrackPosition*> CueTrackPositions; // keyed on track number
+		CueTrackPositions cue_track_positions;
+#ifdef WA_VALIDATE
+		bool cue_time_found;
+#endif
+	};
+
+	class Cues
+	{
+	public:
+	enum
+	{
+		SEEK_WHATEVER=0,
+		SEEK_FORWARD=1,
+		SEEK_BACKWARD=2,
+	};
+		CuePoint *GetCuePoint(uint64_t when, uint64_t current_time=0, int seek_direction=SEEK_WHATEVER);
+		typedef std::map<uint64_t, CuePoint*> CuePoints; // use Map on cue_time to ensure order
+		CuePoints cue_points;
+	};
+	uint64_t ReadCues(MKVReader *reader, uint64_t size, nsmkv::Cues &cues);
+}