H.264编码解码器源码(c语言版本)

								/*!				 ************************************************************************				 *  \file				 *     encodeiff.h				 *  \brief				 *     definitions for H.26L interim file format, as defined in VCEG-O58				 *  \author				 *      - Dong Tian                             				 *				 * ************************************************************************				 */								#ifndef ENCODEIFF_H				#define ENCODEIFF_H								#ifdef WIN32				#define INT2 __int8				#define INT8 __int8				#define INT16 __int16				#define INT32 __int32				#define INT64 __int64				#else				#define INT2 char				#define INT8 char				#define INT16 short				#define INT32 long				#define INT64 long long int  // This may not be 64 bit on some compilers				#endif								#define SIZEOF_BOXTYPE 8  // 8: compact size, 32 bits mode, 16: extended size, 64 bits mode				#define BUFSIZE_FOR_PAYLOADINFO 2048								#define MAX_LAYER_NUMBER 2				#define MAX_DEPENDENT_SUBSEQ 5								//! Box Types				typedef enum				{				    BOX_FTYP, //				    BOX_JVTH, //				    BOX_CINF, //				    BOX_ATIN, //				    BOX_PRMS, //				    BOX_SEGM, //				    BOX_ATRH, //				    BOX_PICI, //				    BOX_LAYR, //				    BOX_SSEQ, //				    BOX_SWPC, //				    BOX_ATRM  //				} TYPE_OF_BOX;								typedef struct				{				  unsigned INT32 size;				  unsigned INT32 type;				//  unsigned INT64 largesize;				} BoxType;								// 1				typedef struct				{				  BoxType type;								  unsigned char    majorBrand[4];				  unsigned INT16 jmMajorVersion;				  unsigned INT16 jmMinorVersion;				  unsigned int     numCompatibleBrands;				  unsigned char*   compatibleBrands;				} FileTypeBox;								// 2				typedef struct				{				  BoxType type;								  unsigned INT8 majorVersion;				  unsigned INT8 minorVersion;				  unsigned INT32 timescale;				  unsigned INT32 numUnitsInTick;				  unsigned INT64 duration;				  unsigned INT16 pixAspectRatioX;				  unsigned INT16 pixAspectRatioY;				  unsigned INT16 maxPicId;  				  unsigned INT8 numAlternateTracks;				  INT2 numBytesInPayloadCountMinusOne;				  INT2 numBytesInPictureOffsetMinusTwo;				  INT2 numBytesInPictureDisplayTimeMinusOne;				  INT2 numBytesInPictureCountMinusOne;				  INT2 numBytesInPayloadSizeMinusOne;				} FileHeaderBox;								// 3				typedef struct				{				  BoxType type;								  unsigned INT64 creationTime;				  unsigned INT64 modificationTime;								  unsigned INT8 titleNumBytes;				  unsigned char* title;								  unsigned INT8 authorNumBytes;				  unsigned char* author;								  unsigned INT8 copyrightNumBytes;				  unsigned char* copyright;								  unsigned INT16 descriptionNumBytes;				  unsigned char* description;								  unsigned INT16 URINumBytes;				  unsigned char* URI;				} ContentInfoBox;								// 4				typedef struct				{				  unsigned INT16 displayWindowWidth;				  unsigned INT16 displayWindowHeight;				  unsigned INT16 maxSDUSize;				  unsigned INT16 avgSDUSize;				  unsigned INT32 avgBitRate;				  long double      sumSDUSize;				  long double      numSDU;				  int              last_frame;				} AlternateTrackInfo;								typedef struct				{				  BoxType type;				  AlternateTrackInfo *info;				} AlternateTrackInfoBox;								// 5				typedef struct				{				  BoxType type;								  unsigned INT16 parameterSetID;				  unsigned INT8 profile;				  unsigned INT8 level;				  unsigned INT8 version;				  unsigned INT16 pictureWidthInMBs;				  unsigned INT16 pictureHeightInMBs;				  unsigned INT16 displayRectangleOffsetTop;				  unsigned INT16 displayRectangleOffsetLeft;				  unsigned INT16 displayRectangleOffsetBottom;				  unsigned INT16 displayRectangleOffsetRight;				  unsigned INT8 displayMode;				  unsigned INT16 displayRectangleOffsetFromWindowTop;				  unsigned INT16 displayRectangleOffsetFromWindowLeftBorder;				  unsigned INT8 loopFilterParametersFlag;				  unsigned INT8 entropyCoding;				  unsigned INT8 partitioningType;				  unsigned INT8 intraPredictionType;				  unsigned INT8 bufCycle;				  Boolean requiredPictureNumberUpdateBehavior;				} ParameterSetBox;								// 6				typedef struct				{				  BoxType type;								  unsigned INT64 fileSize;				  unsigned INT64 startTick;				  unsigned INT64 segmentDuration;				  unsigned INT64 firstFrameNr;				  unsigned INT64 lastFrameNr;				} SegmentBox;								// 7				typedef struct				{				  BoxType type;				  unsigned INT8 numLayers;				} AlternateTrackHeaderBox;  // 042								// 8				typedef struct sPayloadInfo				{				  unsigned INT64 payloadSize;				  unsigned INT8  headerSize;				  unsigned INT8  payloadType;				  unsigned INT8  errorIndication;				  unsigned INT8  reserved;								  unsigned INT16 parameterSet;								  unsigned INT8  pictureID;				  unsigned INT8  pstruct;				  unsigned INT8  sliceID;								  unsigned INT8  sliceType;				  unsigned INT8  firstMBInSliceX;				  unsigned INT8  firstMBInSliceY;				  unsigned INT8  directType;				  unsigned INT8  disposable_flag;				  unsigned INT8  weighted_prediction;				  unsigned INT8  weighted_biprediction;				  unsigned INT8  num_ref_pic_active_fwd_minus1;				  unsigned INT8  num_ref_pic_active_bwd_minus1;								  INT8  initialQP;								  int sliceType2;   // save according to original value				  unsigned INT8  spSwitchFlag;				  int qpsp;								  int pn;           // save img->pn				  int type;         // save img->type				  int max_lindex;   // save img->max_lindex				  int lindex;       // save img->lindex								  struct sPayloadInfo* next;								  int numRMPNI;				  int rmpni_Data[6];				  int rmpni_RMPNI[6];								  unsigned INT8   filter_parameters_flag;				  unsigned INT8   lf_disable;				  INT8            lf_alpha_c0_offset_div2;				  INT8            lf_beta_offset_div2;								} PayloadInfo;								typedef struct				{				  Boolean intraPictureFlag;				  Boolean syncPictureFlag;    // 042				  INT64 pictureOffset;				  INT64 currPictureSize;				  INT64 pictureDisplayTime;								  unsigned INT8 layerNumber;  // 042				  unsigned INT16 subSequenceIdentifier;				  unsigned INT8 originLayerNumber;				  unsigned INT16 originSubSequenceIdentifier;								  unsigned INT8 refFromLayerNumber;  // 042				  unsigned INT16 refFromSubSequenceIdentifier;								  unsigned INT64 numPayloads;								  INT64 lastFrameNr;				  				  PayloadInfo* payloadData;								} PictureInfo;								typedef struct				{				  BoxType type;				  unsigned INT64 numPictures;								  FILE* fpMeta;   // save the PictureInfo to tmp files				} PictureInformationBox;   // 042								// 9				typedef struct				{				  BoxType type;				  unsigned INT32 avgBitRate;				  unsigned INT32 avgFrameRate;				  FILE* fp;				} LayerBox;								// 10				typedef struct				{				  unsigned INT8 layerNumber;				  unsigned INT16 subSequenceIdentifier;				} DependencyInfo;								typedef struct				{				  BoxType type;								  unsigned INT16 subSequenceIdentifier;				  Boolean continuationFromPreviousSegmentFlag;				  Boolean continuationToNextSegmentFlag;				  Boolean startTickAvailableFlag;				  unsigned INT64 ssStartTick;				  unsigned INT64 ssDuration;				  unsigned INT32 avgBitRate;				  unsigned INT32 avgFrameRate;				  unsigned INT32 numReferenceSubSequences;				  DependencyInfo dependencyData[MAX_DEPENDENT_SUBSEQ];				} SubSequenceBox;								typedef struct				{				  BoxType type;				  // more attributes:								} SwitchPictureBox;								typedef struct				{				  BoxType type;				  FILE* fpMedia;				} AlternateTrackMediaBox;								extern FileTypeBox box_ft;				extern FileHeaderBox box_fh;				extern ContentInfoBox box_ci;				extern AlternateTrackInfoBox box_ati;				extern ParameterSetBox box_ps;				extern SegmentBox box_s;				extern AlternateTrackHeaderBox box_ath;				extern PictureInformationBox box_pi;				extern PayloadInfo* pCurrPayloadInfo;				extern PictureInfo currPictureInfo;				extern AlternateTrackMediaBox box_atm;				extern SwitchPictureBox box_sp;								extern int isBigEndian;								// functions								int testEndian();								// Functions on FileTypeBox				int initFileTypeBox();				size_t wrFileTypeBox(FILE* fp);				void freeFileTypeBox();								// Functions on FileHeaderBox				int initFileHeaderBox();				size_t wrFileHeaderBox( FILE* fp );				void freeFileHeaderBox();								// Functions on ContentInfoBox				int initContentInfoBox();				size_t wrContentInfoBox( FILE* fp );				void freeContentInfoBox();								// Functions on AlternateTrackInfoBox				int initAlternateTrackInfoBox();				size_t wrAlternateTrackInfoBox( FILE* fp );				void freeAlternateTrackInfoBox();								// Functions on ParameterSetBox				int initParameterSetBox();				size_t wrParameterSetBox( FILE* fp );				void freeParameterSetBox();								// Functions on SegmentBox				int initSegmentBox();				void updateSegmentBox();				size_t wrSegmentBox( FILE *fp );				void freeSegmentBox();								// Functions on AlternateTrackHeaderBox				int initAlternateTrackHeaderBox();				int updateAlternateTrackHeaderBox();				size_t mergeAlternateTrackHeaderBox( FILE* fp );				void freeAlternateTrackHeaderBox();								// Functions on PictureInformationBox				int initPictureInformationBox();				int updatePictureInformationBox();				size_t mergePictureInformationBox( FILE* fp );				void freePictureInformationBox();								// Functions on PictureInfo				int initPictureInfo();				size_t wrPictureInfo( FILE* fp );				void freePictureInfo();												// Functions on payloadInfo				PayloadInfo* newPayloadInfo();				int addOnePayloadInfo(PayloadInfo* pi);				size_t wrPayloadInfo( PayloadInfo* pp, FILE *fp );				size_t iff_writeERPS(SyntaxElement *sym, PayloadInfo* pp, Bitstream* bitstream);								// Functions on LayerBox				int initLayerBox();				int updateLayerBox();				size_t mergeLayerBox( FILE* fp );				void freeLayerBox();								// Functions on SubSequenceBox				int initSubSequenceBox( int layr );				int updateSubSequenceBox( int layr );				size_t wrSubSequenceBox( int layr );				void freeSubSequenceBox( int layr );				void begin_sub_sequence();				void end_sub_sequence();								// Functions on SwitchPictureBox				int initSwitchPictureBox();								// Functions on AlternateMediaBox				int initAlternateTrackMediaBox();				int updateAlternateTrackMediaBox();				int mergeAlternateTrackMediaBox( FILE* fp );				void freeAlternateTrackMediaBox();								// Other Functions 				int initInterimFile();				size_t terminateInterimFile(FILE* outf);				size_t writefile( void* buf, size_t size, size_t count, FILE* fp );				size_t writefile_s( void* buf, size_t bufsize, size_t size, size_t count, FILE* fp );				void remap_ref_short_term(PayloadInfo* pp);				void add_dependent_subseq(int layr);				Boolean in_dependency_set(int this_layr, int sub_seq_no, int layer_no);				Boolean can_predict_from(int this_layr, int sub_seq_no, int layer_no);								#endif