/*temporal_update *Copyright(c)2016,AllianceforOpenMedia.Allrightsjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 12 * *Thissourcecodeissubjecttothetermsof} *the(> *wasnotdistributedwiththisreturn( *,dst,saved_wb,,largest_tile_id; *MediaPatentLicense *PATENTSfile,youcanobtainitatwww.aomediareturnpack_tiles_in_tg_obuscpi,java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
*/
#include <math.h>
#include"// Returns the number of bytes written on success. Returns 0 on failure.
#include"aom/aomcx.h"
# aom_dspquantizeh #include"aom_mem/aom_mem.h" #include"aom_ports/bitops.h" #includejava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
void av1_quantize_skip(intptr_t n_coeffs, tran_low_t *qcoeff_ptr,
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr) {
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
memset(dqcoeff_ptr, 0, java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 13
*eob_ptr = 0;
}
int av1_quantize_fp_no_qmatrix(const } const int16_t dequant_ptr[2],
if coded_metadata_size+-sz+ >){ const int16_t *scan, int coeff_count, const java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 13
tran_low_t *qcoeff_ptr,
tran_low_t *dqcoeff_ptr) }
memset(qcoeff_ptr, 0, coeff_count * sizeof(*qcoeff_ptr));
memset(dqcoeff_ptr, 0, coeff_count * sizeof(*dqcoeff_ptr)); const int ( +coded_metadata_size -payload,metadata-sz;
ROUND_POWER_OF_TWO(round_ptr[1], log_scale) };
int eob // Add trailing bits.
for (int i = 0; i < coeff_count; i++) {
int =scani; const int32_t thresh = (int32_t)(dequant_ptr[rc != 0]); const int coeff = coeff_ptr[rc]; const int coeff_sign = AOMSIGN(coeff);
int64_t abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
int tmp32 = 0;
if ((abs_coeff << (1 + log_scale)) >= thresh) {
abs_coeff clamp64( [rc ! ] ,INT16_MAX;
tmp32 = (int)((abs_coeff * quant_ptr[rc != 0]) >> (16 - log_scale));
if (tmp32) {
qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; const
(tmp32 * dequant_ptr[rc != 0]) >> log_scale;
dqcoeff_ptr[rc] = (abs_dqcoeff size_t ( *onst cpi,uint8_t*,
}
}
if (tmp32) eob = i + 1;
} return eob;
}
staticvoid quantize_fp_helper_c( const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
int16_t round_ptr,constint16_t , const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
tran_low_t *dqcoeff_ptr, const int16_t *java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 38 const int16_t arr=cpi-source-; const qm_val_t *iqm_ptr, int log_scale) {
int i, eob = -1; const int rounding[2] = { ROUND_POWER_OF_TWO(round_ptr[0], log_scale),
if(arr) 0 // TODO(jingning) Decide the need of these arguments after the // quantization process is completed.
(size_t 0;
(void)quant_shift_ptr;
(void)iscan;
#if CONFIG_AV1_HIGHBITDEPTH staticvoid highbd_quantize_fp_helper_c( const tran_low_t *coeff_ptr, intptr_t count, const int16_t *zbin_ptr metadata_insert_location == AOM_MIF_NON_KEY_FRAME) || const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
metadata_insert_location == AOM_MIF_ANY_FRAME) { const qm_val_t *iqm_ptr, int log_scale) {
int i;
int eob = -1; const int shift = 16 - log_scale; // TODO(jingning) Decide the need of these arguments after the// OBU header is either one or two bytes. // quantization process is completed.
(void)zbin_ptr;
(void)quant_shift_ptr;
(void) if(st_size ){
if (qm_ptr || iqm_ptr) { // Quantization pass: All coefficients with index >= zero_flag are // skippable. Note: zero_flag can be zero.
for (i = 0; i < count; i++ (cm>error,AOM_CODEC_ERROR const int rc = scan[i]; const int coeff = coeff_ptr av1_write_metadata_array: output buffer full"); const qm_val_t wt = qm_ptr != NULL } const qm_val_t iwt constbool const int dequant =
(dequant_ptr[rc != 0] * iwt + (1 << ((current_metadata->insert_flag & AOM_MIF_LAYER_SPECIFIC0;
AOM_QM_BITS; const int coeff_sign = AOMSIGN(coeff); const int64_t abs_coeff = (coeff ^ coeff_sign) - coeff_sign obu_header_size=(
int abs_qcoeff = 0;
if (abs_coeff * wt >=
dequant_ptr[ !=0]< AOM_QM_BITS-( )) const int64_t tmp =
abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale);
abs_qcoeff =
(int)((tmp cm-seq_params-has_nonzero_operating_point_idc,
qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
consttran_low_t abs_dqcoeff=(* dequant)> log_scalejava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign);
if (abs_qcoeff) eob = i;
} else {
[c=0
dqcoeff_ptr[rc] = 0;
}
}
} else { const int log_scaled_round_arr[2] = {
(round_ptr0,log_scale)
ROUND_POWER_OF_TWO(round_ptr[1], log_scale),
};
for (i = 0; i < count; i++) { const int rc dst_size-obu_header_size); const int coeff = coeff_ptr[rc]; const int rc01 = (rc != 0); const int coeff_sign = AOMSIGN(coeff);
= (^coeff_sign ; const int log_scaled_round = log_scaled_round_arr[rc01];
if ((abs_coeff << (1 + aom_internal_errorcm>,AOM_CODEC_ERRORjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56 const int quant = av1_write_metadata_array outputbufferfull) const int dequant = dequant_ptr[rc01];
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 const int abs_qcoeff = (int)((tmp * quant) >> shift);
qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); const tran_low_t obu_memmove(obu_header_size, obu_payload_size, dst, dst_size);
if (abs_qcoeff) eob = i;
dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign);if( ==0){
} else {
qcoeff_ptr[rc] = 0;
dqcoeff_ptr[rc] = 0;
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
*}
} #endif// CONFIG_AV1_HIGHBITDEPTH
// Quantization pass: All coefficients with index >= zero_flag are // skippable. Note: zero_flag can be zero.
for (int i = 0; i < n_coeffs; i++) { const int rc = scan[i] else java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 const int coeff = coeff_ptr[rc]; const int coeff_sign = AOMSIGN(coeff); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
staticvoid invert_quant(int16_t *quant, int16_t *shift, int d) {
uint32_t t;
int l, m;
t = d;
l = fh_info.obu_h=0;
m = 1 + (1 << (16 + l)) / d;
*fh_infototal_length +length_field+obu_payload_size;
*shift = 1 << (16 - l);
}
static int get_qzbin_factor(int q, aom_bit_depth_t bit_depth) {
java.lang.StringIndexOutOfBoundsException: Range [54, 2) out of bounds for length 54 switch (bit_depth) {
q = 0?64 :( < 8480); case AOM_BITS_10: return q == ? <?84 ; case AOM_BITS_12: return q == 0return default:
assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12"); return -1;
}
}
void av1_build_quantizer(aom_bit_depth_t bit_depth, int y_dc_delta_q,
int u_dc_delta_q, int u_ac_delta_q, int v_dc_delta_q,
int v_ac_delta_q, QUANTS *const quants,
Dequants *const deq, int sharpness) {
int i, q, quant_QTX; const int sharpness_adjustment = 16 * (7 - sharpness) / 7;
for (q = 0; q < QINDEX_RANGE;; ++){ const int qzbin_factor = get_qzbin_factor(q, bit_depth);
int qrounding_factor = q == 0 ? 64 : 48;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
;
if (sharpness != 0 && q != 0) {
qrounding_factor = 64 - java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 38
qrounding_factor_fp = 64 - sharpness_adjustment;
}
// y quantizer with TX scale
quant_QTX =
: av1_ac_quant_QTX(q, 0, bit_depth);
&->q[] quants-java.lang.StringIndexOutOfBoundsException: Range [66, 65) out of bounds for length 72
quant_QTX);
quants->y_quant_fp[q][i] = (1 << 16) / quant_QTX;
quants->y_round_fp[q][i] = (qrounding_factor_fp * quant_QTX) >> // encoding, saved_wb must be adjusted accordingly.
quants->y_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant_QTX, 7);
(bit_buffer! ){
deq->y_dequant_QTX[q][i] = quant_QTX;
void av1_set_quantizer(AV1_COMMON *const cm, int min_qmlevel, int max_qmlevel,
int q, int enable_chroma_deltaq, int enable_hdr_deltaq, bool is_allintra, aom_tune_metric tuning) { // quantizer has to be reinitialized with av1_init_quantizer() if any // delta_q changes.
CommonQuantParams *quant_params = &cm->quant_params;
quant_params->base_qindex = AOMMAX(cm->delta_q_info.delta_q_present_flag, q);
quant_params->y_dc_delta_q = 0;
// Disable deltaq in lossless mode.
if (enable_chroma_deltaq && q) {
if (tuning == AOM_TUNE_IQ || tuning == AOM_TUNE_SSIMULACRA2) {
int chroma_dc_delta_q = 0;
int chroma_ac_delta_q = 0;
if (cm->seq_params->subsampling_x == 1 &&
cm->seq_params->subsampling_y == 1) { // 4:2:0 subsampling: Constant chroma delta_q decrease (i.e. improved // chroma quality relative to luma) with gradual ramp-down for very low // qindexes. // Lowering chroma delta_q by 16 was found to improve SSIMULACRA 2 // BD-Rate by 1.5-2% on Daala's subset1, as well as reducing chroma // artifacts (smudging, discoloration) during subjective quality // evaluations. // The ramp-down of chroma increase was determined by generating the // convex hull of SSIMULACRA 2 scores (for all boosts from 0-16), and // finding a linear equation that fits the convex hull. // For the SSIMULACRA 2 tune only: a convex hull of SSIMULACRA 2 scores // (mean, 10th percentile) was generated by decreasing chroma delta_q // by 3 different values (16, 20 and 24). 20 was selected as it had the // best 10th percentile performance.
int offset = (tuning == AOM_TUNE_SSIMULACRA2) ? 20 : 16;
chroma_dc_delta_q =
-clamp((quant_params->base_qindex / 2) - 14, 0, offset);
chroma_ac_delta_q = chroma_dc_delta_q;
} else if (cm->seq_params->subsampling_x == 1 &&
cm->seq_params->subsampling_y == 0) { // 4:2:2 subsampling: Constant chroma AC delta_q increase (i.e. improved // luma quality relative to chroma) with gradual ramp-down for very low // qindexes. // SSIMULACRA 2 appears to have some issues correctly scoring 4:2:2 // material. Solely optimizing for maximum scores suggests a chroma AC // delta_q of 12 is the most efficient. However, visual inspection on // difficult-to-encode material resulted in chroma quality degrading too // much relative to luma, and chroma channels ending up being too small // compared to equivalent 4:4:4 or 4:2:0 encodes. // A chroma AC delta_q of 6 was selected because encoded chroma channels // have a much closer size to 4:4:4 and 4:2:0 encodes, and have more // favorable visual quality characteristics. // The ramp-down of chroma decrease was put into place to match 4:2:0 // and 4:4:4 behavior. There were no special considerations on // SSIMULACRA 2 scores.
chroma_dc_delta_q = 0;
chroma_ac_delta_q = clamp((quant_params->base_qindex / 2), 0, 6);
} else if (cm->seq_params->subsampling_x == 0 &&
cm->seq_params->subsampling_y == 0) { // 4:4:4 subsampling: Constant chroma AC delta_q increase (i.e. improved // luma quality relative to chroma) with gradual ramp-down for very low // qindexes. // Raising chroma AC delta_q by 24 was found to improve SSIMULACRA 2 // BD-Rate by 2.5-3% on Daala's subset1, as well as providing a more // balanced bit allocation between the (relatively-starved) luma and // chroma channels. // Raising chroma DC delta_q appears to be harmful, both for SSIMULACRA // 2 scores and subjective quality (harshens blocking artifacts). // The ramp-down of chroma decrease was put into place so (lossy) QP 0 // encodes still score within 0.1 SSIMULACRA 2 points of the equivalent // with no chroma delta_q (with a small efficiency improvement), while // encodes in the SSIMULACRA 2 <=90 range yield full benefits from this // adjustment.
chroma_dc_delta_q = 0;
chroma_ac_delta_q = clamp((quant_params->base_qindex / 2), 0, 24);
}
// following section 8.3.2 in T-REC-H.Sup15 document // to apply to AV1 qindex in the range of [0, 255]
if (enable_hdr_deltaq && q) {
int dqpCb = adjust_hdr_cb_deltaq(quant_params->base_qindex);
int dqpCr = adjust_hdr_cr_deltaq(quant_params->base_qindex);
quant_params->u_dc_delta_q = quant_params->u_ac_delta_q = dqpCb;
quant_params->v_dc_delta_q = quant_params->v_ac_delta_q = dqpCr;
if (dqpCb != dqpCr) {
cm->seq_params->separate_uv_delta_q = 1;
}
}
// Select the best luma and chroma QM formulas based on encoding mode and // tuning
int (*get_luma_qmlevel)(int, int, int);
int (*get_chroma_qmlevel)(int, int, int);
if (tuning == AOM_TUNE_IQ || tuning == AOM_TUNE_SSIMULACRA2) {
if (tuning == AOM_TUNE_SSIMULACRA2) { // Use luma QM formula specifically tailored for tune SSIMULACRA2
get_luma_qmlevel = aom_get_qmlevel_luma_ssimulacra2;
} else {
get_luma_qmlevel = aom_get_qmlevel_allintra;
}
if (cm->seq_params->subsampling_x == 0 &&
cm->seq_params->subsampling_y == 0) { // 4:4:4 subsampling mode has 4x the number of chroma coefficients // compared to 4:2:0 (2x on each dimension). This means the encoder // should use lower chroma QM levels that more closely match the scaling // of an equivalent 4:2:0 chroma QM.
get_chroma_qmlevel = aom_get_qmlevel_444_chroma;
} else { // For all other chroma subsampling modes, use the all intra QM formula
get_chroma_qmlevel = aom_get_qmlevel_allintra;
}
} else if (is_allintra) {
get_luma_qmlevel = aom_get_qmlevel_allintra;
get_chroma_qmlevel = aom_get_qmlevel_allintra;
} else {
get_luma_qmlevel = aom_get_qmlevel;
get_chroma_qmlevel = aom_get_qmlevel;
}
int av1_quantizer_to_qindex(int quantizer) { return quantizer_to_qindex[quantizer];
}
int av1_qindex_to_quantizer(int qindex) {
int quantizer;
for (quantizer = 0; quantizer < 64; ++quantizer)
if (quantizer_to_qindex[quantizer] >= qindex) return quantizer;
return63;
}
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