Aegisub/aegisub/FFmpegSource2/utils.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 UTILS_H
#define UTILS_H
#include "ffms.h"
#include <vector>
extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libswscale/swscale.h>
#include <libpostproc/postprocess.h>
#include <libavutil/sha1.h>
#include "MatroskaParser.h"
#include "stdiostream.h"
}
#ifdef HAALISOURCE
# define _WIN32_DCOM
# include <windows.h>
# include <tchar.h>
# include <atlbase.h>
# include <dshow.h>
# include "CoParser.h"
# include <initguid.h>
# include "guids.h"
#endif
struct TFrameInfo {
FFMS_FRAMEINFO_COMMON
int64_t SampleStart;
int64_t FilePos;
unsigned int FrameSize;
#ifdef FFMS_EXPORTS
TFrameInfo(int64_t DTS, bool KeyFrame);
TFrameInfo(int64_t DTS, int64_t FilePos, unsigned int FrameSize, bool KeyFrame);
TFrameInfo(int64_t DTS, int64_t SampleStart, bool KeyFrame);
TFrameInfo(int64_t DTS, int64_t SampleStart, int64_t FilePos, unsigned int FrameSize, bool KeyFrame);
#endif
};
struct FFTrack : public std::vector<TFrameInfo> {
public:
FFMS_TrackType TT;
TTrackTimeBase TB;
int FindClosestVideoKeyFrame(int Frame);
int FindClosestAudioKeyFrame(int64_t Sample);
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, FFMS_TrackType TT);
};
struct FFIndex : public std::vector<FFTrack> {
public:
int Decoder;
int WriteIndex(const char *IndexFile, char *ErrorMsg, unsigned MsgSize);
int ReadIndex(const char *IndexFile, char *ErrorMsg, unsigned MsgSize);
};
struct MatroskaReaderContext {
public:
StdIoStream ST;
uint8_t *Buffer;
unsigned int BufferSize;
MatroskaReaderContext() {
InitStdIoStream(&ST);
Buffer = NULL;
BufferSize = 0;
}
~MatroskaReaderContext() {
free(Buffer);
}
};
int GetCPUFlags();
FFMS_TrackType HaaliTrackTypeToFFTrackType(int TT);
int ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS, MatroskaReaderContext &Context, char *ErrorMsg, unsigned MsgSize);
bool AudioFMTIsFloat(SampleFormat FMT);
void InitNullPacket(AVPacket *pkt);
void FillAP(TAudioProperties &AP, AVCodecContext *CTX, FFTrack &Frames);
#ifdef HAALISOURCE
unsigned vtSize(VARIANT &vt);
void vtCopy(VARIANT& vt,void *dest);
#endif
CodecID MatroskaToFFCodecID(char *Codec, void *CodecPrivate);
#endif