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 "utils.h"
#include "wave64writer.h"
#define INDEXVERSION 25
#define INDEXID 0x53920873
struct IndexHeader {
uint32_t Id;
uint32_t Version;
uint32_t Tracks;
uint32_t Decoder;
uint32_t LAVUVersion;
uint32_t LAVFVersion;
uint32_t LAVCVersion;
uint32_t LSWSVersion;
uint32_t LPPVersion;
};
class SharedAudioContext {
public:
Wave64Writer *W64W;
AVCodecContext *CTX;
int64_t CurrentSample;
SharedAudioContext() {
W64W = NULL;
CTX = NULL;
CurrentSample = 0;
}
~SharedAudioContext() {
delete W64W;
}
};
class FFIndexer {
protected:
int IndexMask;
int DumpMask;
bool IgnoreDecodeErrors;
TIndexCallback IC;
void *ICPrivate;
TAudioNameCallback ANC;
void *ANCPrivate;
const char *SourceFile;
int16_t DecodingBuffer[AVCODEC_MAX_AUDIO_FRAME_SIZE * 5];
bool WriteAudio(SharedAudioContext &AudioContext, FFIndex *Index, int Track, int DBSize, char *ErrorMsg, unsigned MsgSize);
public:
static FFIndexer *CreateFFIndexer(const char *Filename, char *ErrorMsg, unsigned MsgSize);
virtual ~FFIndexer() { }
void SetIndexMask(int IndexMask) { this->IndexMask = IndexMask; }
void SetDumpMask(int DumpMask) { this->DumpMask = DumpMask; }
void SetIgnoreDecodeErrors(bool IgnoreDecodeErrors) { this->IgnoreDecodeErrors = IgnoreDecodeErrors; }
void SetProgressCallback(TIndexCallback IC, void *ICPrivate) { this->IC = IC; this->ICPrivate = ICPrivate; }
void SetAudioNameCallback(TAudioNameCallback ANC, void *ANCPrivate) { this->ANC = ANC; this->ANCPrivate = ANCPrivate; }
virtual FFIndex *DoIndexing(char *ErrorMsg, unsigned MsgSize) = 0;
virtual int GetNumberOfTracks() = 0;
virtual FFMS_TrackType GetTrackType(int Track) = 0;
virtual const char *GetTrackCodec(int Track) = 0;
};
class FFLAVFIndexer : public FFIndexer {
private:
bool IsIndexing;
AVFormatContext *FormatContext;
public:
FFLAVFIndexer(const char *Filename, AVFormatContext *FormatContext, char *ErrorMsg, unsigned MsgSize);
~FFLAVFIndexer();
FFIndex *DoIndexing(char *ErrorMsg, unsigned MsgSize);
int GetNumberOfTracks() { return FormatContext->nb_streams; }
FFMS_TrackType GetTrackType(int Track) { return static_cast<FFMS_TrackType>(FormatContext->streams[Track]->codec->codec_type); }
const char *GetTrackCodec(int Track) { return FormatContext->streams[Track]->codec->codec_name; }
};
class FFMatroskaIndexer : public FFIndexer {
private:
MatroskaFile *MF;
MatroskaReaderContext MC;
public:
FFMatroskaIndexer(const char *Filename, char *ErrorMsg, unsigned MsgSize);
FFIndex *DoIndexing(char *ErrorMsg, unsigned MsgSize);
int GetNumberOfTracks() { return mkv_GetNumTracks(MF); }
FFMS_TrackType GetTrackType(int Track) { return HaaliTrackTypeToFFTrackType(mkv_GetTrackInfo(MF, Track)->Type); }
const char *GetTrackCodec(int Track) { return mkv_GetTrackInfo(MF, Track)->CodecID; }
};
#ifdef HAALISOURCE
class FFHaaliIndexer : public FFIndexer {
private:
int SourceMode;
CComPtr<IMMContainer> pMMC;
int NumTracks;
FFMS_TrackType TrackType[32];
AVCodec *Codec[32];
uint8_t *CodecPrivate[32];
int CodecPrivateSize[32];
public:
FFHaaliIndexer(const char *Filename, int SourceMode, char *ErrorMsg, unsigned MsgSize);
~FFHaaliIndexer() { for (int i = 0; i < 32; i++) delete[] CodecPrivate[i]; }
FFIndex *DoIndexing(char *ErrorMsg, unsigned MsgSize);
int GetNumberOfTracks() { return NumTracks; }
FFMS_TrackType GetTrackType(int Track) { return TrackType[Track]; }
const char *GetTrackCodec(int Track) { if (Codec[Track]) return Codec[Track]->name; else return "Unsupported codec/Unknown codec name"; }
};
#endif // HAALISOURCE
#endif