mode_decision.h File Reference

Headerfile for mode decision. More...

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Functions

int BIDPartitionCost (Macroblock *currMB, int, int, char[2], int)
int BPredPartitionCost (Macroblock *currMB, int, int, short, short, int, int)
void StoreMV8x8 (Slice *currSlice, int dir)
void RestoreMV8x8 (Slice *currSlice, int dir)
void store_macroblock_parameters (Macroblock *currMB, int)
void SetModesAndRefframeForBlocks (Macroblock *currMB, short)
void StoreNewMotionVectorsBlock8x8 (Slice *currSlice, int, int, Info8x8 *)
void assign_enc_picture_params (Macroblock *currMB, int mode, Info8x8 *best, int block)
void set_subblock8x8_info (Block8x8Info *, int, int, RD_8x8DATA *)
void set_block8x8_info (Block8x8Info *, int, int, Info8x8 *best)
void update_refresh_map (Macroblock *currMB, int intra, int intra1)
void SetCoeffAndReconstruction8x8 (Macroblock *currMB)
void get_bipred_cost (Macroblock *currMB, int mode, int block, int i, int j, Info8x8 *best, RD_PARAMS *enc_mb, int bmcost[5])
short I16Offset (int, short)
int CheckReliabilityOfRef (Macroblock *currMB, int block, int list_idx, int ref, int mode)
int Mode_Decision_for_Intra4x4Macroblock (Macroblock *currMB, double, double *)
int RDCost_for_macroblocks (Macroblock *currMB, double, short)
double RDCost_for_8x8blocks (Macroblock *currMB, RD_8x8DATA *dataTr, int *, int64 *, double, int, short, Info8x8 *, double)
void rc_store_diff (int diff[16][16], imgpel **p_curImg, int cpix_x, imgpel **prediction)
void submacroblock_mode_decision (Macroblock *currMB, RD_PARAMS *, RD_8x8DATA *, int ****, int, int *)
void submacroblock_mode_decision_low (Macroblock *currMB, RD_PARAMS *, RD_8x8DATA *, int ****, int *, int, int *, int *, int *, int)
void init_enc_mb_params (Macroblock *currMB, RD_PARAMS *enc_mb, int intra)
void list_prediction_cost (Macroblock *currMB, int list, int block, int mode, RD_PARAMS *enc_mb, int bmcost[5], char best_ref[2])
void determine_prediction_list (int[5], Info8x8 *, int *)
void compute_mode_RD_cost (Macroblock *currMB, RD_PARAMS *enc_mb, short mode, short *inter_skip)
int transform_termination_control (Macroblock *currMB, int mode)
int bslice_16x16_termination_control (InputParameters *p_Inp, Block8x8Info *b8x8info, int *ctr16x16, int mode, int bslice)
int iminarray (int arr[], int size, int *minind)
void update_lambda_costs (Macroblock *currMB, RD_PARAMS *enc_mb, int lambda_mf[3])
void get_initial_mb16x16_cost (Macroblock *currMB)
void adjust_mb16x16_cost (Macroblock *currMB, int cost)
void reset_adaptive_rounding (ImageParameters *p_Img)
int64 distortionSSE (Macroblock *currMB)

Variables

static const int b8_mode_table [6] = {0, 4, 5, 6, 7}
static const char mb_mode_table [9] = {0, 1, 2, 3, P8x8, I16MB, I4MB, I8MB, IPCM}

Detailed Description

Headerfile for mode decision.

mode_decision.h

Author:
Main contributors (see contributors.h for copyright, address and affiliation details)
Date:
21. February 2005

Definition in file mode_decision.h.

Function Documentation

int BIDPartitionCost ( Macroblock *  currMB,
int  ,
int  ,
char  [2],
int   
)

Motion Cost for Bidirectional modes.

Definition at line 1138 of file mv_search.c.

References slice::all_mv, luma_prediction(), slice::mb_pred, macroblock::opix_y, macroblock::p_Img, macroblock::p_slice, img_par::pCurImg, and macroblock::pix_x.

Referenced by list_prediction_cost().

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int BPredPartitionCost ( Macroblock *  currMB,
int  ,
int  ,
short  ,
short  ,
int  ,
int   
)

Motion Cost for Bidirectional modes.

Definition at line 581 of file mv_search.c.

References slice::bipred_mv, luma_prediction_bi(), slice::mb_pred, macroblock::opix_y, macroblock::p_Img, macroblock::p_slice, img_par::pCurImg, and macroblock::pix_x.

Referenced by list_prediction_cost().

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int bslice_16x16_termination_control ( InputParameters *  p_Inp,
Block8x8Info *  b8x8info,
int *  ctr16x16,
int  mode,
int  bslice 
)

Update prediction direction for mode P16x16 to check all prediction directions.

Definition at line 1424 of file mode_decision.c.

References inp_par_enc::BiPredMotionEstimation, and error().

Referenced by compute_mode_RD_cost().

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int CheckReliabilityOfRef ( Macroblock *  currMB,
int  block,
int  list_idx,
int  ref,
int  mode 
)

Checks if a given reference frame is reliable for the current macroblock, given the motion vectors that the motion search has returned.

Returns:
If the return value is 1, the reference frame is reliable. If it is 0, then it is not reliable.
Note:
A specific area in each reference frame is assumed to be unreliable if the same area has been intra-refreshed in a subsequent frame. The information about intra-refreshed areas is kept in the p_Img->pixel_map.

Definition at line 351 of file rdopt.c.

References slice::all_mv, macroblock::block_x, macroblock::block_y, img_par::height, macroblock::p_Img, macroblock::p_slice, img_par::pixel_map, and img_par::width.

Referenced by list_prediction_cost().

void compute_mode_RD_cost ( Macroblock *  currMB,
RD_PARAMS *  enc_mb,
short  mode,
short *  inter_skip 
)

RD decision process.

Definition at line 385 of file mode_decision.c.

References img_par::AdaptiveRounding, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, img_par::b8x8info, bslice_16x16_termination_control(), macroblock::c_ipred_mode, slice::cofAC, macroblock::opix_y, macroblock::p_Img, macroblock::p_slice, img_par::pCurImg, macroblock::pix_x, macroblock::qp_scaled, rc_store_diff(), inp_par_enc::RCEnable, RDCost_for_macroblocks(), reset_adaptive_rounding_direct(), SetModesAndRefframeForBlocks(), slice::slice_type, store_macroblock_parameters(), transform_termination_control(), and update_adaptive_rounding_16x16().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), and encode_one_macroblock_highloss().

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void determine_prediction_list ( int  [5],
Info8x8 *  ,
int *   
)

Determination of prediction list based on simple distortion computation.

Definition at line 358 of file mode_decision.c.

References iminarray().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), encode_one_macroblock_low(), submacroblock_mode_decision(), and submacroblock_mode_decision_low().

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int64 distortionSSE ( Macroblock *  currMB  ) 

SSE distortion calculation for a macroblock.

Definition at line 158 of file md_distortion.c.

References compute_SSE16x16(), storable_picture::imgUV, macroblock::opix_c_y, macroblock::opix_y, storable_picture::p_curr_img, macroblock::p_Img, img_par::pCurImg, macroblock::pix_c_x, macroblock::pix_c_y, macroblock::pix_x, macroblock::pix_y, and YUV400.

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void get_bipred_cost ( Macroblock *  currMB,
int  mode,
int  block,
int  i,
int  j,
Info8x8 *  best,
RD_PARAMS *  enc_mb,
int  bmcost[5] 
)

Compute bipred costs.

Definition at line 1480 of file mode_decision.c.

References slice::all_mv, slice::bipred_mv, list_prediction_cost(), and macroblock::p_slice.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and submacroblock_mode_decision().

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int iminarray ( int  arr[],
int  size,
int *  minind 
)

Return array's minimum and its index.

Definition at line 1332 of file mode_decision.c.

Referenced by determine_prediction_list().

void init_enc_mb_params ( Macroblock *  currMB,
RD_PARAMS *  enc_mb,
int  intra 
)

Initialize Encoding parameters for Macroblock.

Definition at line 120 of file mode_decision.c.

References macroblock::c_ipred_mode, check_for_SI16(), F_PEL, H_PEL, img_par::lambda_md, img_par::lambda_me, img_par::lambda_mf, img_par::masterQP, macroblock::mbAddrX, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, macroblock::pix_y, Q_PEL, img_par::qp, reset_valid_modes(), slice::slice_type, smpUMHEX_decide_intrabk_SAD(), UMHEX_decide_intrabk_SAD(), and UMHEX_DefineThresholdMB().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and encode_one_macroblock_low().

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void list_prediction_cost ( Macroblock *  currMB,
int  list,
int  block,
int  mode,
RD_PARAMS *  enc_mb,
int  bmcost[5],
char  best_ref[2] 
)

computation of prediction list (including biprediction) cost

Definition at line 279 of file mode_decision.c.

References BIDPartitionCost(), BPredPartitionCost(), CheckReliabilityOfRef(), macroblock::p_Img, macroblock::p_slice, Q_PEL, slice::slice_type, inp_par_enc::sp2_frame_indicator, inp_par_enc::sp_output_indicator, and slice::wbp_weight.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), encode_one_macroblock_low(), get_bipred_cost(), submacroblock_mode_decision(), and submacroblock_mode_decision_low().

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int Mode_Decision_for_Intra4x4Macroblock ( Macroblock *  currMB,
double  ,
double *   
)

4x4 Intra mode decision for an macroblock

Definition at line 388 of file rd_intra_jm.c.

References Mode_Decision_for_IntraSubMBlocks(), and macroblock::p_slice.

Referenced by encode_one_macroblock_low(), and RDCost_for_macroblocks().

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void rc_store_diff ( int  diff[16][16],
imgpel **  p_curImg,
int  cpix_x,
imgpel **  prediction 
)

Update Rate Control Difference.

Definition at line 375 of file ratectl.c.

Referenced by compute_mode_RD_cost(), encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and encode_one_macroblock_low().

double RDCost_for_8x8blocks ( Macroblock *  currMB,
RD_8x8DATA *  dataTr,
int *  ,
int64 *  ,
double  ,
int  ,
short  ,
Info8x8 *  ,
double   
)

R-D Cost for an 8x8 Partition.

Definition at line 664 of file rdopt.c.

References macroblock::ar_mode, arienco_bits_written(), assignSE2partition, B8Mode2Value(), macroblock::block_x, macroblock::block_y, compute_residue_block(), compute_SSE8x8(), decode_one_b8block(), slice::direct_pdir, slice::direct_ref_idx, storable_picture::imgUV, storable_picture::imgY, syntaxelement::len, luma_residual_coding_8x8(), luma_residual_coding_p444_8x8(), slice::mb_pred, macroblock::opix_y, storable_picture::p_dec_img, storable_picture::p_img, macroblock::p_Img, macroblock::p_slice, slice::partArr, img_par::pCurImg, macroblock::pix_x, macroblock::pix_y, decoders::res_img, slice::slice_type, slice::tex_ctx, syntaxelement::type, ue_linfo(), syntaxelement::value1, slice::wbp_weight, writeCBP_BIT_CABAC(), writeCoeff8x8(), writeMotionVector8x8(), and writeReferenceFrame().

Referenced by submacroblock_mode_decision().

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int RDCost_for_macroblocks ( Macroblock *  currMB,
double  ,
short   
)

R-D Cost for a macroblock.

Definition at line 1459 of file rdopt.c.

References slice::all_mv, chroma_residual_coding(), img_par::cod_counter, compute_residue_block(), compute_SSE16x16(), copy_image_data(), copy_image_data_16x16(), decode_one_mb(), field_flag_inference(), storable_picture::imgUV, storable_picture::imgY, Intra16x16_Mode_Decision444(), Intra16x16_Mode_Decision_RDopt(), Intra16x16_Mode_Decision_SAD(), luma_residual_coding(), luma_residual_coding_p444(), slice::mb_pred, macroblock::mb_type, macroblock::mbAddrX, Mode_Decision_for_Intra4x4Macroblock(), Mode_Decision_for_Intra8x8Macroblock(), storable_picture::motion, slice::mpr_16x16, img_par::nz_coeff, macroblock::opix_c_y, macroblock::opix_y, out_of_bounds_mvs(), storable_picture::p_curr_img, storable_picture::p_dec_img, macroblock::p_Img, macroblock::p_slice, img_par::pCurImg, macroblock::pix_c_x, macroblock::pix_c_y, macroblock::pix_x, macroblock::pix_y, inp_par_enc::ProfileIDC, macroblock::qp_scaled, inp_par_enc::RCEnable, decoders::res_img, SetCoeffAndReconstruction8x8(), SetModesAndRefframeForBlocks(), slice::slice_type, ue_linfo(), YUV400, and YUV444.

Referenced by compute_mode_RD_cost().

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void reset_adaptive_rounding ( ImageParameters *  p_Img  ) 

resets adaptive rounding p_Inp to zero

Definition at line 232 of file q_around.c.

References img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, and YUV400.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and encode_one_macroblock_low().

void RestoreMV8x8 ( Slice *  currSlice,
int  dir 
)

Restore motion vectors of 8x8 partitions of one macroblock.

Definition at line 2971 of file rdopt.c.

References RestoreMVBlock8x8().

Referenced by set_stored_macroblock_parameters(), set_stored_macroblock_parameters_mpass(), set_stored_macroblock_parameters_sp(), and SetCoeffAndReconstruction8x8().

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void set_block8x8_info ( Block8x8Info *  ,
int  ,
int  ,
Info8x8 *  best 
)

Set block 8x8 mode information.

Definition at line 3306 of file rdopt.c.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and encode_one_macroblock_low().

void set_subblock8x8_info ( Block8x8Info *  ,
int  ,
int  ,
RD_8x8DATA *   
)

Set block 8x8 mode information for P8x8 mode.

Definition at line 3339 of file rdopt.c.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and encode_one_macroblock_low().

void SetCoeffAndReconstruction8x8 ( Macroblock *  currMB  ) 

Sets Coefficients and reconstruction for an 8x8 block.

Definition at line 1181 of file rdopt.c.

References _LUMA_8x8_COEFF_COST_, macroblock::block_x, macroblock::block_y, macroblock::cbp_blk, slice::cofAC, copy_image_data_16x16(), decoders::dec_mb_pred_best8x8, decoders::dec_mbY_best8x8, errdo_get_best_block(), storable_picture::imgUV, storable_picture::imgY, storable_picture::motion, storable_picture::p_dec_img, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, macroblock::pix_y, macroblock::qp_scaled, pic_motion_params::ref_idx, pic_motion_params::ref_pic_id, RestoreMV8x8(), slice::slice_type, and StoreMV8x8().

Referenced by encode_one_macroblock_low(), and RDCost_for_macroblocks().

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void SetModesAndRefframeForBlocks ( Macroblock *  currMB,
short   
)

Sets modes and reference frames for a macroblock.

Definition at line 884 of file rdopt.c.

References macroblock::ar_mode, img_par::b8x8info, macroblock::block_x, macroblock::block_y, slice::direct_pdir, slice::direct_ref_idx, macroblock::mb_type, storable_picture::motion, macroblock::p_Img, macroblock::p_slice, pic_motion_params::ref_idx, pic_motion_params::ref_pic_id, and slice::slice_type.

Referenced by compute_mode_RD_cost(), encode_one_macroblock_low(), and RDCost_for_macroblocks().

void store_macroblock_parameters ( Macroblock *  currMB,
int   
)

Store macroblock parameters.

Definition at line 1729 of file rdopt.c.

References img_par::AdaptiveRounding, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, macroblock::block_x, macroblock::block_y, macroblock::c_ipred_mode, macroblock::cbp_blk, slice::cofAC, slice::cofDC, copy_image_data(), copy_image_data_16x16(), decoders::dec_mbY_best, errdo_store_best_block(), storable_picture::imgUV, storable_picture::imgY, macroblock::intra_pred_modes8x8, img_par::ipredmode, img_par::ipredmode8x8, storable_picture::motion, storable_picture::p_dec_img, macroblock::p_Img, macroblock::p_slice, macroblock::pix_c_x, macroblock::pix_c_y, macroblock::pix_x, macroblock::pix_y, pic_motion_params::ref_idx, slice::slice_type, store_adaptive_rounding_16x16(), and YUV400.

Referenced by compute_mode_RD_cost().

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void StoreMV8x8 ( Slice *  currSlice,
int  dir 
)

Store motion vectors of 8x8 partitions of one macroblock.

Definition at line 2894 of file rdopt.c.

References StoreMVBlock8x8().

Referenced by SetCoeffAndReconstruction8x8().

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void StoreNewMotionVectorsBlock8x8 ( Slice *  currSlice,
int  ,
int  ,
Info8x8 *   
)

Store predictors for 8x8 partition.

Definition at line 2987 of file rdopt.c.

References slice::all_mv, slice::bipred_mv, and slice::slice_type.

Referenced by submacroblock_mode_decision(), and submacroblock_mode_decision_low().

void submacroblock_mode_decision ( Macroblock *  currMB,
RD_PARAMS *  ,
RD_8x8DATA *  ,
int ****  ,
int  ,
int *   
)

Mode Decision for an 8x8 sub-macroblock.

Definition at line 509 of file mode_decision.c.

References slice::all_mv, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, slice::bipred_mv, macroblock::block_x, macroblock::block_y, slice::cofAC, copy_image_data_8x8(), inp_par_enc::CtxAdptLagrangeMult, decoders::dec_mb_pred, decoders::dec_mb_pred_best8x8, decoders::dec_mbY_best8x8, determine_prediction_list(), slice::direct_pdir, slice::direct_ref_idx, errdo_get_best_block(), errdo_store_best_block(), F_PEL, get_bipred_cost(), H_PEL, storable_picture::imgUV, storable_picture::imgY, is_bipred_enabled(), list_prediction_cost(), slice::mb_pred, macroblock::mbAddrX, storable_picture::motion, pic_motion_params::mv, img_par::nz_coeff, storable_picture::p_dec_img, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, macroblock::pix_y, Q_PEL, RDCost_for_8x8blocks(), pic_motion_params::ref_idx, pic_motion_params::ref_pic_id, slice::slice_type, StoreNewMotionVectorsBlock8x8(), SubPartitionMotionSearch(), and update_adaptive_rounding_8x8().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), and encode_one_macroblock_highloss().

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void submacroblock_mode_decision_low ( Macroblock *  currMB,
RD_PARAMS *  ,
RD_8x8DATA *  ,
int ****  ,
int *  ,
int  ,
int *  ,
int *  ,
int *  ,
int   
)

Low Complexity Mode Decision for an 8x8 sub-macroblock.

Definition at line 862 of file mode_decision.c.

References macroblock::ar_mode, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, B8Mode2Value(), macroblock::block_x, macroblock::block_y, slice::cofAC, copy_image_data_8x8(), inp_par_enc::CtxAdptLagrangeMult, determine_prediction_list(), slice::direct_pdir, slice::direct_ref_idx, F_PEL, GetDirectCost8x8(), H_PEL, storable_picture::imgUV, storable_picture::imgY, is_bipred_enabled(), img_par::lambda_mf, list_prediction_cost(), luma_residual_coding_8x8(), luma_residual_coding_p444_8x8(), slice::mb_pred, macroblock::mbAddrX, storable_picture::motion, img_par::nz_coeff, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, macroblock::pix_y, Q_PEL, pic_motion_params::ref_idx, pic_motion_params::ref_pic_id, slice::slice_type, StoreNewMotionVectorsBlock8x8(), SubPartitionMotionSearch(), and update_adaptive_rounding_8x8().

Referenced by encode_one_macroblock_low().

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int transform_termination_control ( Macroblock *  currMB,
int  mode 
)

Decides whether to perform tranform 8x8 for this mode.

Definition at line 1384 of file mode_decision.c.

References macroblock::p_Img, macroblock::p_slice, and slice::slice_type.

Referenced by compute_mode_RD_cost().

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