| |
| /*! |
| *************************************************************************** |
| * \file |
| * ratectl.h |
| * |
| * \author |
| * Zhengguo LI |
| * |
| * \date |
| * 14 Jan 2003 |
| * |
| * \brief |
| * Headerfile for rate control |
| ************************************************************************** |
| */ |
| |
| #ifndef _RATE_CTL_H_ |
| #define _RATE_CTL_H_ |
| |
| /* generic rate control variables */ |
| typedef struct { |
| // RC flags |
| int TopFieldFlag; |
| int FieldControl; |
| int FieldFrame; |
| int NoGranularFieldRC; |
| // bits stats |
| int NumberofHeaderBits; |
| int NumberofTextureBits; |
| int NumberofBasicUnitHeaderBits; |
| int NumberofBasicUnitTextureBits; |
| // frame stats |
| int NumberofCodedBFrame; |
| int NumberofCodedPFrame; |
| int NumberofGOP; |
| int TotalQpforPPicture; |
| int NumberofPPicture; |
| // MAD stats |
| int64 TotalMADBasicUnit; |
| int *MADofMB; |
| // buffer and budget |
| int64 CurrentBufferFullness; //LIZG 25/10/2002 |
| int RemainingBits; |
| // bit allocations for RC_MODE_3 |
| int RCPSliceBits; |
| int RCISliceBits; |
| int RCBSliceBits[RC_MAX_TEMPORAL_LEVELS]; |
| int temporal_levels; |
| int hierNb[RC_MAX_TEMPORAL_LEVELS]; |
| int NPslice; |
| int NIslice; |
| } rc_generic; |
| |
| // macroblock activity |
| int diffy[16][16]; |
| int qp_mbaff[2][2], qp_mbaff[2][2]; |
| int delta_qp_mbaff[2][2], delta_qp_mbaff[2][2]; |
| |
| // generic functions |
| int Qstep2QP( double Qstep ); |
| double QP2Qstep( int QP ); |
| int calc_MAD( void ); |
| double ComputeFrameMAD( void ); |
| void update_rc(Macroblock *currMB, short best_mode); |
| |
| // rate control functions |
| // init/copy |
| void generic_alloc( rc_generic **prc ); |
| void generic_free( rc_generic **prc ); |
| void copy_rc_generic( rc_generic *dst, rc_generic *src ); |
| |
| // rate control CURRENT pointers |
| rc_generic *generic_RC; |
| // rate control object pointers for RDPictureDecision buffering... |
| rc_generic *generic_RC_init, *generic_RC_best; |
| |
| |
| #endif |
| |
