parset.h

G729、h263、h264、MPEG4四种最流行的音频和视频标准的压缩和解压算法的源代码.rar

/*!
 **************************************************************************************
 * \file
 *    parset.h
 * \brief
 *    Picture and Sequence Parameter Sets, encoder operations
 *    This code reflects JVT version xxx
 *  \date 25 November 2002
 * \author
 *    Main contributors (see contributors.h for copyright, address and affiliation details) 
 *      - Stephan Wenger        <[e-mail]>
 ***************************************************************************************
 */


#ifndef _PARSET_H_
#define _PARSET_H_

#include "parsetcommon.h"
#include "nalu.h"

void GenerateParameterSets ();
void FreeParameterSets ();

NALU_t *GenerateSeq_parameter_set_NALU ();
NALU_t *GeneratePic_parameter_set_NALU (int);

// The following are local helpers, but may come handy in the future, hence public
void GenerateSequenceParameterSet(seq_parameter_set_rbsp_t *sps, int SPS_id);
void GeneratePictureParameterSet( pic_parameter_set_rbsp_t *pps, seq_parameter_set_rbsp_t *sps, int PPS_id, 
                                 int WeightedPrediction, int WeightedBiprediction, 
                                 int cb_qp_index_offset, int cr_qp_index_offset);

int Scaling_List(short *scalingListinput, short *scalingList, int sizeOfScalingList, short *UseDefaultScalingMatrix, DataPartition *partition);
int GenerateSeq_parameter_set_rbsp (seq_parameter_set_rbsp_t *sps, char *buf);
int GeneratePic_parameter_set_rbsp (pic_parameter_set_rbsp_t *pps, char *buf);
void FreeSPS (seq_parameter_set_rbsp_t *sps);
void FreePPS (pic_parameter_set_rbsp_t *pps);
pic_parameter_set_rbsp_t *AllocPPS ();
seq_parameter_set_rbsp_t *AllocSPS ();


#endif