Aegisub/aegisub/FFmpegSource2/indexing.h

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// Copyright (c) 2007-2009 Fredrik Mellbin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifndef INDEXING_H
#define INDEXING_H
#include <vector>
#include "utils.h"
#include "ffms.h"
#define INDEXVERSION 20
#define INDEXID 0x53920873
struct IndexHeader {
uint32_t Id;
uint32_t Version;
uint32_t Tracks;
uint32_t Decoder;
};
struct FFTrack : public std::vector<TFrameInfo> {
int TT;
TTrackTimeBase TB;
int FindClosestKeyFrame(int Frame);
int FrameFromDTS(int64_t DTS);
int ClosestFrameFromDTS(int64_t DTS);
int WriteTimecodes(const char *TimecodeFile, char *ErrorMsg, unsigned MsgSize);
FFTrack();
FFTrack(int64_t Num, int64_t Den, int TT);
};
struct FFIndex : public std::vector<FFTrack> {
int Decoder;
};
FFIndex *MakeIndex(const char *SourceFile, int IndexMask, int DumpMask, const char *AudioFile, bool IgnoreDecodeErrors, TIndexCallback IP, void *Private, char *ErrorMsg, unsigned MsgSize);
FFIndex *ReadIndex(const char *IndexFile, char *ErrorMsg, unsigned MsgSize);
int WriteIndex(const char *IndexFile, FFIndex *Index, char *ErrorMsg, unsigned MsgSize);
#endif