Aegisub/aegisub/libffms/src/core/videosource.h

147 lines
4.2 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 FFVIDEOSOURCE_H
#define FFVIDEOSOURCE_H
extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libswscale/swscale.h>
#include <libpostproc/postprocess.h>
}
// must be included after ffmpeg headers
#include "ffmscompat.h"
#include <vector>
#include <sstream>
#include "indexing.h"
#include "utils.h"
#include "ffms.h"
#ifdef HAALISOURCE
# define WIN32_LEAN_AND_MEAN
# define _WIN32_DCOM
# include <windows.h>
# include <tchar.h>
# include <atlbase.h>
# include <dshow.h>
# include <initguid.h>
# include "CoParser.h"
# include "guids.h"
#endif
class FFMS_VideoSource {
friend class FFSourceResources<FFMS_VideoSource>;
private:
pp_context_t *PPContext;
pp_mode_t *PPMode;
SwsContext *SWS;
int LastFrameHeight;
int LastFrameWidth;
PixelFormat LastFramePixelFormat;
int TargetHeight;
int TargetWidth;
int64_t TargetPixelFormats;
int TargetResizer;
PixelFormat OutputFormat;
AVPicture PPFrame;
AVPicture SWSFrame;
protected:
FFMS_VideoProperties VP;
FFMS_Frame LocalFrame;
AVFrame *DecodeFrame;
int LastFrameNum;
FFMS_Track Frames;
int VideoTrack;
int CurrentFrame;
int MPEG4Counter;
AVCodecContext *CodecContext;
FFMS_VideoSource(const char *SourceFile, FFMS_Index *Index, int Track);
void ReAdjustPP(PixelFormat VPixelFormat, int Width, int Height);
void ReAdjustOutputFormat(int64_t TargetFormats, int Width, int Height, int Resizer);
FFMS_Frame *OutputFrame(AVFrame *Frame);
virtual void Free(bool CloseCodec) = 0;
public:
virtual ~FFMS_VideoSource();
const FFMS_VideoProperties& GetVideoProperties() { return VP; }
FFMS_Track *GetTrack() { return &Frames; }
virtual FFMS_Frame *GetFrame(int n) = 0;
void GetFrameCheck(int n);
FFMS_Frame *GetFrameByTime(double Time);
void SetPP(const char *PP);
void ResetPP();
void SetOutputFormat(int64_t TargetFormats, int Width, int Height, int Resizer);
void ResetOutputFormat();
};
class FFLAVFVideo : public FFMS_VideoSource {
private:
AVFormatContext *FormatContext;
int SeekMode;
FFSourceResources<FFMS_VideoSource> Res;
void DecodeNextFrame(int64_t *PTS);
protected:
void Free(bool CloseCodec);
public:
FFLAVFVideo(const char *SourceFile, int Track, FFMS_Index *Index, int Threads, int SeekMode);
FFMS_Frame *GetFrame(int n);
};
class FFMatroskaVideo : public FFMS_VideoSource {
private:
MatroskaFile *MF;
MatroskaReaderContext MC;
CompressedStream *CS;
char ErrorMessage[256];
FFSourceResources<FFMS_VideoSource> Res;
size_t PacketNumber;
void DecodeNextFrame();
protected:
void Free(bool CloseCodec);
public:
FFMatroskaVideo(const char *SourceFile, int Track, FFMS_Index *Index, int Threads);
FFMS_Frame *GetFrame(int n);
};
#ifdef HAALISOURCE
class FFHaaliVideo : public FFMS_VideoSource {
private:
CComPtr<IMMContainer> pMMC;
std::vector<uint8_t> CodecPrivate;
AVBitStreamFilterContext *BitStreamFilter;
FFSourceResources<FFMS_VideoSource> Res;
void DecodeNextFrame(int64_t *AFirstStartTime);
protected:
void Free(bool CloseCodec);
public:
FFHaaliVideo(const char *SourceFile, int Track, FFMS_Index *Index, int Threads, enum FFMS_Sources SourceMode);
FFMS_Frame *GetFrame(int n);
};
#endif // HAALISOURCE
#endif