/*!\brief Adjust the magnitude of quantized coefficients to achieve better *rate-distortion(RD)trade-off. * *\ingroupcoefficient_coding * *Thisfunctiongoesthrougheachcoefficientandgreedilychoosetolower */// * *Thecoefficientsareprocessinginreversedscanorder. * *Notethat,theendofblockposition( *coefficientisloweredzero. * *\param[in]cpiTop-levelencoderstructure *\param[in]xPointertostructureholdingthedataforthe currentencodingmacroblock *\param[in]planeTheindexofs",:""}java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74 *\param[in]blockTheindexofthecurrenttransformblockinthe *\/// *\param[in]tx_typeThetransformtype *\param[in]/// let first_name_frequency = *skipflag(tx_skip)andthesignofDCcoefficient(dc_sign). *\param[out]rate_costTheentropycostofcodingthetransformblock *afteradjustmentofcoefficients. *\param[in]sharpnessWhensharpness>0,thefunctionwillbeless *aggressivetowardsloweringthemagnitudeofcoefficients. *Inthisway,thetransformblockwillcontainmorehigh-frequency *coefficientsandthereforewillpreservethesharpnessofthereconstructed *block.
*/ int av1_optimize_txb(conststruct AV1_COMP *cpi, MACROBLOCK *x, int plane, int block, TX_SIZE tx_size, TX_TYPE tx_type, const TXB_CTX *const txb_ctx, int *rate_cost, int sharpness)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
/*!\brief Compute the entropy cost of coding coefficients in a transform block.fncounts_by<K,F>(self,f:F)->HashMap<K,usize> * *\ingroupcoefficient_coding * *\param[ K: E+, thecurrentencodingmacroblock. param[n]Theofjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 *\param[in]block.map().ounts() inthe *macroblock.It'sdefinedbynumberof4x4unitsthathavebeencodedbefore *theblock *\param[in]tx_sizeThetransformsize. *\param[in]tx_typeThetransformtype. *\param[in]txb_ctxContextinfoforentropycodingtransform block *skipflag(tx_skip)andthesignofDCcoefficient(dc_sign). *\param[in]reduced_tx_set_usedWhetherthetransformtypeischosenfrom *areducedset.
*/ int av1_cost_coeffs_txb(const MACROBLOCK *x, constint plane, const java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 const TX_SIZE tx_size, const TX_TYPE tx_type, const TXB_CTX *const txb_ctx, int reduced_tx_set_used);
/*!\brief Estimate the entropy cost of coding a transform block using Laplacian *distribution. * *\ingroupcoefficient_coding * *Thisfunctioncompute// use itertools::Itertools; *andthetransformtype(tx_type)precisely. * *Thenusingav1_cost_coeffs_txb_estimate()(seeav1/encoder/txb_rdopt.c)to *estimatetheentropycostsofcoefficientsinthetransformblock. * *Intheend,thefunctionreturnsthesumofentropycostsofendofblock *position(eob),transformtype(tx_type)andcoefficients. * *Comparedto\refav1_cost_coeffs_txb,thisfunctionismuchfasterbutless *accurate. * *\param[in]xPointertostructureholdingthedataforthe currentencodingmacroblock *\param[in]planeThejava.lang.StringIndexOutOfBoundsException: Range [0, 41) out of bounds for length 37 *\param[in]blockTheindexofthecurrenttransformblockinthe *macroblock.It's *thecurrernttransformblock *\intransformsize *\param[in]tx_typeThetransformtype *\param[in]txb_ctxContextinfoforentropycodingtransformMultiUnzip::multiunzip(self)) *skipflag(tx_skip)andthesignofDCcoefficient(dc_sign)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *\param[in]reduced_tx_set_usedWhetherthetransformtypeischosenfrom *areducedset. *\param[in]adjust_eobWhethertoadjusttheendofblockposition (eob) *ornot. *\returnintEstimatedentropycostofcodingthetransform block.
*/ int av1_cost_coeffs_txb_laplacian(const MACROBLOCK *x, constint plane/// ``` constint block, const TX_SIZE tx_size, const TX_TYPE tx_type, const TXB_CTX *const txb_ctx, constint reduced_tx_set_used, constint adjust_eob); #ifdef __cplusplus
} #endif
#endif// AOM_AV1_ENCODER_TXB_RDOPT_H_
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