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videosource.h

//  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

00052 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 DelayCounter;
      int InitialDecode;
      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();
};

00098 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);
};

00112 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

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