Aegisub/aegisub/FFmpegSource2/ffaudiosource.h

132 lines
3.9 KiB
C++

// 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 FFAUDIOSOURCE_H
#define FFAUDIOSOURCE_H
extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
}
#include <vector>
#include <list>
#include <memory>
#include "indexing.h"
#include "utils.h"
#include "ffms.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
class TAudioBlock {
public:
int64_t Start;
int64_t Samples;
uint8_t *Data;
TAudioBlock(int64_t Start, int64_t Samples, uint8_t *SrcData, size_t SrcBytes);
~TAudioBlock();
};
class TAudioCache : private std::list<TAudioBlock *> {
private:
int MaxCacheBlocks;
int BytesPerSample;
static bool AudioBlockComp(TAudioBlock *A, TAudioBlock *B);
public:
TAudioCache();
~TAudioCache();
void Initialize(int BytesPerSample, int MaxCacheBlocks);
void CacheBlock(int64_t Start, int64_t Samples, uint8_t *SrcData);
int64_t FillRequest(int64_t Start, int64_t Samples, uint8_t *Dst);
};
class FFAudio {
protected:
TAudioCache AudioCache;
int64_t CurrentSample;
uint8_t *DecodingBuffer;
FFTrack Frames;
AVCodecContext *CodecContext;
int AudioTrack;
TAudioProperties AP;
public:
FFAudio();
virtual ~FFAudio();
FFTrack *GetFFTrack() { return &Frames; }
const TAudioProperties& GetTAudioProperties() { return AP; }
virtual int GetAudio(void *Buf, int64_t Start, int64_t Count, char *ErrorMsg, unsigned MsgSize) = 0;
};
class FFLAVFAudio : public FFAudio {
private:
AVFormatContext *FormatContext;
int DecodeNextAudioBlock(int64_t *Count, char *ErrorMsg, unsigned MsgSize);
void Free(bool CloseCodec);
public:
FFLAVFAudio(const char *SourceFile, int Track, FFIndex *Index, char *ErrorMsg, unsigned MsgSize);
~FFLAVFAudio();
int GetAudio(void *Buf, int64_t Start, int64_t Count, char *ErrorMsg, unsigned MsgSize);
};
class FFMatroskaAudio : public FFAudio {
private:
MatroskaFile *MF;
MatroskaReaderContext MC;
CompressedStream *CS;
char ErrorMessage[256];
int DecodeNextAudioBlock(int64_t *Count, int AudioBlock, char *ErrorMsg, unsigned MsgSize);
void Free(bool CloseCodec);
public:
FFMatroskaAudio(const char *SourceFile, int Track, FFIndex *Index, char *ErrorMsg, unsigned MsgSize);
~FFMatroskaAudio();
int GetAudio(void *Buf, int64_t Start, int64_t Count, char *ErrorMsg, unsigned MsgSize);
};
#ifdef HAALISOURCE
class FFHaaliAudio : public FFAudio {
private:
CComPtr<IMMContainer> pMMC;
uint8_t * CodecPrivate;
void Free(bool CloseCodec);
int DecodeNextAudioBlock(int64_t *AFirstStartTime, int64_t *Count, char *ErrorMsg, unsigned MsgSize);
public:
FFHaaliAudio(const char *SourceFile, int Track, FFIndex *Index, int SourceMode, char *ErrorMsg, unsigned MsgSize);
~FFHaaliAudio();
int GetAudio(void *Buf, int64_t Start, int64_t Count, char *ErrorMsg, unsigned MsgSize);
};
#endif // HAALISOURCE
#endif