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-rw-r--r--media/libaom/src/av1/encoder/av1_quantize.c738
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diff --git a/media/libaom/src/av1/encoder/av1_quantize.c b/media/libaom/src/av1/encoder/av1_quantize.c
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+++ b/media/libaom/src/av1/encoder/av1_quantize.c
@@ -0,0 +1,738 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <math.h>
+
+#include "config/aom_dsp_rtcd.h"
+
+#include "aom_dsp/quantize.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/mem.h"
+
+#include "av1/common/idct.h"
+#include "av1/common/quant_common.h"
+#include "av1/common/scan.h"
+#include "av1/common/seg_common.h"
+
+#include "av1/encoder/av1_quantize.h"
+#include "av1/encoder/encoder.h"
+#include "av1/encoder/rd.h"
+
+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, n_coeffs * sizeof(*dqcoeff_ptr));
+ *eob_ptr = 0;
+}
+
+static void quantize_fp_helper_c(
+ const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
+ 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,
+ const int16_t *scan, const int16_t *iscan, const qm_val_t *qm_ptr,
+ const qm_val_t *iqm_ptr, int log_scale) {
+ int i, eob = -1;
+ // TODO(jingning) Decide the need of these arguments after the
+ // quantization process is completed.
+ (void)zbin_ptr;
+ (void)quant_shift_ptr;
+
+ memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
+
+ if (qm_ptr == NULL && iqm_ptr == NULL) {
+ const int rounding0 = ROUND_POWER_OF_TWO(round_ptr[0], log_scale);
+ { // rc == 0
+ const int coeff = coeff_ptr[0];
+ const int coeff_sign = (coeff >> 31);
+ int64_t abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ if ((abs_coeff << (1 + log_scale)) >= (int32_t)(dequant_ptr[0])) {
+ abs_coeff = clamp64(abs_coeff + rounding0, INT16_MIN, INT16_MAX);
+ const int tmp32 = (int)((abs_coeff * quant_ptr[0]) >> (16 - log_scale));
+ if (tmp32) {
+ qcoeff_ptr[0] = (tmp32 ^ coeff_sign) - coeff_sign;
+ const tran_low_t abs_dqcoeff = (tmp32 * dequant_ptr[0]) >> log_scale;
+ dqcoeff_ptr[0] = (abs_dqcoeff ^ coeff_sign) - coeff_sign;
+ eob = 0;
+ }
+ }
+ }
+ const int rounding1 = ROUND_POWER_OF_TWO(round_ptr[1], log_scale);
+ const int32_t thresh1 = (int32_t)(dequant_ptr[1]);
+ for (i = 1; i < n_coeffs; i++) {
+ const int coeff = coeff_ptr[i];
+ const int coeff_sign = (coeff >> 31);
+ int64_t abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ if ((abs_coeff << (1 + log_scale)) >= thresh1) {
+ abs_coeff = clamp64(abs_coeff + rounding1, INT16_MIN, INT16_MAX);
+ const int tmp32 = (int)((abs_coeff * quant_ptr[1]) >> (16 - log_scale));
+ if (tmp32) {
+ qcoeff_ptr[i] = (tmp32 ^ coeff_sign) - coeff_sign;
+ const tran_low_t abs_dqcoeff = (tmp32 * dequant_ptr[1]) >> log_scale;
+ dqcoeff_ptr[i] = (abs_dqcoeff ^ coeff_sign) - coeff_sign;
+ eob = AOMMAX(iscan[i], eob);
+ }
+ }
+ }
+ } else {
+ // Quantization pass: All coefficients with index >= zero_flag are
+ // skippable. Note: zero_flag can be zero.
+ for (i = 0; i < n_coeffs; i++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+ const qm_val_t wt = qm_ptr ? qm_ptr[rc] : (1 << AOM_QM_BITS);
+ const qm_val_t iwt = iqm_ptr ? iqm_ptr[rc] : (1 << AOM_QM_BITS);
+ const int dequant =
+ (dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >>
+ AOM_QM_BITS;
+ const int coeff_sign = (coeff >> 31);
+ int64_t abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ int tmp32 = 0;
+ if (abs_coeff * wt >=
+ (dequant_ptr[rc != 0] << (AOM_QM_BITS - (1 + log_scale)))) {
+ abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale);
+ abs_coeff = clamp64(abs_coeff, INT16_MIN, INT16_MAX);
+ tmp32 = (int)((abs_coeff * wt * quant_ptr[rc != 0]) >>
+ (16 - log_scale + AOM_QM_BITS));
+ qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign;
+ const tran_low_t abs_dqcoeff = (tmp32 * dequant) >> log_scale;
+ dqcoeff_ptr[rc] = (abs_dqcoeff ^ coeff_sign) - coeff_sign;
+ }
+
+ if (tmp32) eob = i;
+ }
+ }
+ *eob_ptr = eob + 1;
+}
+
+static void highbd_quantize_fp_helper_c(
+ const tran_low_t *coeff_ptr, intptr_t count, const int16_t *zbin_ptr,
+ 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,
+ const int16_t *scan, const int16_t *iscan, const qm_val_t *qm_ptr,
+ 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
+ // quantization process is completed.
+ (void)zbin_ptr;
+ (void)quant_shift_ptr;
+ (void)iscan;
+
+ 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++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+ const qm_val_t wt = qm_ptr != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS);
+ const qm_val_t iwt = iqm_ptr != NULL ? iqm_ptr[rc] : (1 << AOM_QM_BITS);
+ const int dequant =
+ (dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >>
+ AOM_QM_BITS;
+ const int coeff_sign = (coeff >> 31);
+ const int64_t abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ int abs_qcoeff = 0;
+ if (abs_coeff * wt >=
+ (dequant_ptr[rc != 0] << (AOM_QM_BITS - (1 + log_scale)))) {
+ const int64_t tmp =
+ abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale);
+ abs_qcoeff =
+ (int)((tmp * quant_ptr[rc != 0] * wt) >> (shift + AOM_QM_BITS));
+ qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
+ const tran_low_t abs_dqcoeff = (abs_qcoeff * dequant) >> log_scale;
+ dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign);
+ if (abs_qcoeff) eob = i;
+ } else {
+ qcoeff_ptr[rc] = 0;
+ dqcoeff_ptr[rc] = 0;
+ }
+ }
+ } else {
+ const int log_scaled_round_arr[2] = {
+ ROUND_POWER_OF_TWO(round_ptr[0], log_scale),
+ ROUND_POWER_OF_TWO(round_ptr[1], log_scale),
+ };
+ for (i = 0; i < count; i++) {
+ const int rc = scan[i];
+ const int coeff = coeff_ptr[rc];
+ const int rc01 = (rc != 0);
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ const int log_scaled_round = log_scaled_round_arr[rc01];
+ if ((abs_coeff << (1 + log_scale)) >= dequant_ptr[rc01]) {
+ const int quant = quant_ptr[rc01];
+ const int dequant = dequant_ptr[rc01];
+ const int64_t tmp = (int64_t)abs_coeff + log_scaled_round;
+ const int abs_qcoeff = (int)((tmp * quant) >> shift);
+ qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
+ const tran_low_t abs_dqcoeff = (abs_qcoeff * dequant) >> log_scale;
+ if (abs_qcoeff) eob = i;
+ dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign);
+ } else {
+ qcoeff_ptr[rc] = 0;
+ dqcoeff_ptr[rc] = 0;
+ }
+ }
+ }
+ *eob_ptr = eob + 1;
+}
+
+void av1_quantize_fp_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ const int16_t *zbin_ptr, 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,
+ const int16_t *scan, const int16_t *iscan) {
+ quantize_fp_helper_c(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr,
+ quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr,
+ eob_ptr, scan, iscan, NULL, NULL, 0);
+}
+
+void av1_quantize_fp_32x32_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ const int16_t *zbin_ptr, 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,
+ const int16_t *scan, const int16_t *iscan) {
+ quantize_fp_helper_c(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr,
+ quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr,
+ eob_ptr, scan, iscan, NULL, NULL, 1);
+}
+
+void av1_quantize_fp_64x64_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ const int16_t *zbin_ptr, 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,
+ const int16_t *scan, const int16_t *iscan) {
+ quantize_fp_helper_c(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr,
+ quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr,
+ eob_ptr, scan, iscan, NULL, NULL, 2);
+}
+
+void av1_quantize_fp_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
+ const SCAN_ORDER *sc, const QUANT_PARAM *qparam) {
+ const qm_val_t *qm_ptr = qparam->qmatrix;
+ const qm_val_t *iqm_ptr = qparam->iqmatrix;
+ if (qm_ptr != NULL && iqm_ptr != NULL) {
+ quantize_fp_helper_c(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX,
+ p->quant_fp_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan, qm_ptr, iqm_ptr, qparam->log_scale);
+ } else {
+ switch (qparam->log_scale) {
+ case 0:
+ if (n_coeffs < 16) {
+ // TODO(jingning): Need SIMD implementation for smaller block size
+ // quantization.
+ quantize_fp_helper_c(
+ coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX,
+ p->quant_fp_QTX, p->quant_shift_QTX, qcoeff_ptr, dqcoeff_ptr,
+ p->dequant_QTX, eob_ptr, sc->scan, sc->iscan, NULL, NULL, 0);
+ } else {
+ av1_quantize_fp(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX,
+ p->quant_fp_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan);
+ }
+ break;
+ case 1:
+ av1_quantize_fp_32x32(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX,
+ p->quant_fp_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan);
+ break;
+ case 2:
+ av1_quantize_fp_64x64(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX,
+ p->quant_fp_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan);
+ break;
+ default: assert(0);
+ }
+ }
+}
+
+void av1_quantize_b_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
+ const SCAN_ORDER *sc, const QUANT_PARAM *qparam) {
+ const qm_val_t *qm_ptr = qparam->qmatrix;
+ const qm_val_t *iqm_ptr = qparam->iqmatrix;
+ if (qm_ptr != NULL && iqm_ptr != NULL) {
+ quantize_b_helper_c(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX,
+ p->quant_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan, qm_ptr, iqm_ptr, qparam->log_scale);
+ } else {
+ switch (qparam->log_scale) {
+ case 0:
+ aom_quantize_b(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX,
+ p->quant_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan);
+ break;
+ case 1:
+ aom_quantize_b_32x32(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX,
+ p->quant_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan);
+ break;
+ case 2:
+ aom_quantize_b_64x64(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX,
+ p->quant_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan);
+ break;
+ default: assert(0);
+ }
+ }
+}
+
+static void quantize_dc(const tran_low_t *coeff_ptr, int n_coeffs,
+ int skip_block, const int16_t *round_ptr,
+ const int16_t quant, tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, const int16_t dequant_ptr,
+ uint16_t *eob_ptr, const qm_val_t *qm_ptr,
+ const qm_val_t *iqm_ptr, const int log_scale) {
+ const int rc = 0;
+ const int coeff = coeff_ptr[rc];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ int64_t tmp;
+ int eob = -1;
+ int32_t tmp32;
+ int dequant;
+
+ memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
+
+ if (!skip_block) {
+ const int wt = qm_ptr != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS);
+ const int iwt = iqm_ptr != NULL ? iqm_ptr[rc] : (1 << AOM_QM_BITS);
+ tmp = clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale),
+ INT16_MIN, INT16_MAX);
+ tmp32 = (int32_t)((tmp * wt * quant) >> (16 - log_scale + AOM_QM_BITS));
+ qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign;
+ dequant = (dequant_ptr * iwt + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS;
+ const tran_low_t abs_dqcoeff = (tmp32 * dequant) >> log_scale;
+ dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign);
+ if (tmp32) eob = 0;
+ }
+ *eob_ptr = eob + 1;
+}
+
+void av1_quantize_dc_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
+ const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
+ const SCAN_ORDER *sc, const QUANT_PARAM *qparam) {
+ // obsolete skip_block
+ const int skip_block = 0;
+ (void)sc;
+ assert(qparam->log_scale >= 0 && qparam->log_scale < (3));
+ const qm_val_t *qm_ptr = qparam->qmatrix;
+ const qm_val_t *iqm_ptr = qparam->iqmatrix;
+ quantize_dc(coeff_ptr, (int)n_coeffs, skip_block, p->round_QTX,
+ p->quant_fp_QTX[0], qcoeff_ptr, dqcoeff_ptr, p->dequant_QTX[0],
+ eob_ptr, qm_ptr, iqm_ptr, qparam->log_scale);
+}
+
+void av1_highbd_quantize_fp_facade(const tran_low_t *coeff_ptr,
+ intptr_t n_coeffs, const MACROBLOCK_PLANE *p,
+ tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
+ const SCAN_ORDER *sc,
+ const QUANT_PARAM *qparam) {
+ const qm_val_t *qm_ptr = qparam->qmatrix;
+ const qm_val_t *iqm_ptr = qparam->iqmatrix;
+ if (qm_ptr != NULL && iqm_ptr != NULL) {
+ highbd_quantize_fp_helper_c(
+ coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX, p->quant_fp_QTX,
+ p->quant_shift_QTX, qcoeff_ptr, dqcoeff_ptr, p->dequant_QTX, eob_ptr,
+ sc->scan, sc->iscan, qm_ptr, iqm_ptr, qparam->log_scale);
+ } else {
+ if (n_coeffs < 16) {
+ // TODO(jingning): Need SIMD implementation for smaller block size
+ // quantization.
+ av1_highbd_quantize_fp_c(
+ coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX, p->quant_fp_QTX,
+ p->quant_shift_QTX, qcoeff_ptr, dqcoeff_ptr, p->dequant_QTX, eob_ptr,
+ sc->scan, sc->iscan, qparam->log_scale);
+ return;
+ }
+ av1_highbd_quantize_fp(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_fp_QTX,
+ p->quant_fp_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan, qparam->log_scale);
+ }
+}
+
+void av1_highbd_quantize_b_facade(const tran_low_t *coeff_ptr,
+ intptr_t n_coeffs, const MACROBLOCK_PLANE *p,
+ tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
+ const SCAN_ORDER *sc,
+ const QUANT_PARAM *qparam) {
+ const qm_val_t *qm_ptr = qparam->qmatrix;
+ const qm_val_t *iqm_ptr = qparam->iqmatrix;
+ if (qm_ptr != NULL && iqm_ptr != NULL) {
+ highbd_quantize_b_helper_c(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX,
+ p->quant_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan, qm_ptr, iqm_ptr, qparam->log_scale);
+ } else {
+ switch (qparam->log_scale) {
+ case 0:
+ if (LIKELY(n_coeffs >= 8)) {
+ aom_highbd_quantize_b(coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX,
+ p->quant_QTX, p->quant_shift_QTX, qcoeff_ptr,
+ dqcoeff_ptr, p->dequant_QTX, eob_ptr, sc->scan,
+ sc->iscan);
+ } else {
+ // TODO(luoyi): Need SIMD (e.g. sse2) for smaller block size
+ // quantization
+ aom_highbd_quantize_b_c(coeff_ptr, n_coeffs, p->zbin_QTX,
+ p->round_QTX, p->quant_QTX,
+ p->quant_shift_QTX, qcoeff_ptr, dqcoeff_ptr,
+ p->dequant_QTX, eob_ptr, sc->scan, sc->iscan);
+ }
+ break;
+ case 1:
+ aom_highbd_quantize_b_32x32(
+ coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX, p->quant_QTX,
+ p->quant_shift_QTX, qcoeff_ptr, dqcoeff_ptr, p->dequant_QTX,
+ eob_ptr, sc->scan, sc->iscan);
+ break;
+ case 2:
+ aom_highbd_quantize_b_64x64(
+ coeff_ptr, n_coeffs, p->zbin_QTX, p->round_QTX, p->quant_QTX,
+ p->quant_shift_QTX, qcoeff_ptr, dqcoeff_ptr, p->dequant_QTX,
+ eob_ptr, sc->scan, sc->iscan);
+ break;
+ default: assert(0);
+ }
+ }
+}
+
+static INLINE void highbd_quantize_dc(
+ const tran_low_t *coeff_ptr, int n_coeffs, int skip_block,
+ const int16_t *round_ptr, const int16_t quant, tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, const int16_t dequant_ptr, uint16_t *eob_ptr,
+ const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr, const int log_scale) {
+ int eob = -1;
+
+ memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
+ memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
+
+ if (!skip_block) {
+ const qm_val_t wt = qm_ptr != NULL ? qm_ptr[0] : (1 << AOM_QM_BITS);
+ const qm_val_t iwt = iqm_ptr != NULL ? iqm_ptr[0] : (1 << AOM_QM_BITS);
+ const int coeff = coeff_ptr[0];
+ const int coeff_sign = (coeff >> 31);
+ const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+ const int64_t tmp = abs_coeff + ROUND_POWER_OF_TWO(round_ptr[0], log_scale);
+ const int64_t tmpw = tmp * wt;
+ const int abs_qcoeff =
+ (int)((tmpw * quant) >> (16 - log_scale + AOM_QM_BITS));
+ qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
+ const int dequant =
+ (dequant_ptr * iwt + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS;
+
+ const tran_low_t abs_dqcoeff = (abs_qcoeff * dequant) >> log_scale;
+ dqcoeff_ptr[0] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign);
+ if (abs_qcoeff) eob = 0;
+ }
+ *eob_ptr = eob + 1;
+}
+
+void av1_highbd_quantize_dc_facade(const tran_low_t *coeff_ptr,
+ intptr_t n_coeffs, const MACROBLOCK_PLANE *p,
+ tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
+ const SCAN_ORDER *sc,
+ const QUANT_PARAM *qparam) {
+ // obsolete skip_block
+ const int skip_block = 0;
+ const qm_val_t *qm_ptr = qparam->qmatrix;
+ const qm_val_t *iqm_ptr = qparam->iqmatrix;
+ (void)sc;
+
+ highbd_quantize_dc(coeff_ptr, (int)n_coeffs, skip_block, p->round_QTX,
+ p->quant_fp_QTX[0], qcoeff_ptr, dqcoeff_ptr,
+ p->dequant_QTX[0], eob_ptr, qm_ptr, iqm_ptr,
+ qparam->log_scale);
+}
+
+void av1_highbd_quantize_fp_c(const tran_low_t *coeff_ptr, intptr_t count,
+ const int16_t *zbin_ptr, 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,
+ const int16_t *scan, const int16_t *iscan,
+ int log_scale) {
+ highbd_quantize_fp_helper_c(coeff_ptr, count, zbin_ptr, round_ptr, quant_ptr,
+ quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr,
+ dequant_ptr, eob_ptr, scan, iscan, NULL, NULL,
+ log_scale);
+}
+
+static void invert_quant(int16_t *quant, int16_t *shift, int d) {
+ uint32_t t;
+ int l, m;
+ t = d;
+ for (l = 0; t > 1; l++) t >>= 1;
+ m = 1 + (1 << (16 + l)) / d;
+ *quant = (int16_t)(m - (1 << 16));
+ *shift = 1 << (16 - l);
+}
+
+static int get_qzbin_factor(int q, aom_bit_depth_t bit_depth) {
+ const int quant = av1_dc_quant_Q3(q, 0, bit_depth);
+ switch (bit_depth) {
+ case AOM_BITS_8: return q == 0 ? 64 : (quant < 148 ? 84 : 80);
+ case AOM_BITS_10: return q == 0 ? 64 : (quant < 592 ? 84 : 80);
+ case AOM_BITS_12: return q == 0 ? 64 : (quant < 2368 ? 84 : 80);
+ 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 i, q, quant_Q3, quant_QTX;
+
+ for (q = 0; q < QINDEX_RANGE; q++) {
+ const int qzbin_factor = get_qzbin_factor(q, bit_depth);
+ const int qrounding_factor = q == 0 ? 64 : 48;
+
+ for (i = 0; i < 2; ++i) {
+ int qrounding_factor_fp = 64;
+ // y quantizer setup with original coeff shift of Q3
+ quant_Q3 = i == 0 ? av1_dc_quant_Q3(q, y_dc_delta_q, bit_depth)
+ : av1_ac_quant_Q3(q, 0, bit_depth);
+ // y quantizer with TX scale
+ quant_QTX = i == 0 ? av1_dc_quant_QTX(q, y_dc_delta_q, bit_depth)
+ : av1_ac_quant_QTX(q, 0, bit_depth);
+ invert_quant(&quants->y_quant[q][i], &quants->y_quant_shift[q][i],
+ quant_QTX);
+ quants->y_quant_fp[q][i] = (1 << 16) / quant_QTX;
+ quants->y_round_fp[q][i] = (qrounding_factor_fp * quant_QTX) >> 7;
+ quants->y_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant_QTX, 7);
+ quants->y_round[q][i] = (qrounding_factor * quant_QTX) >> 7;
+ deq->y_dequant_QTX[q][i] = quant_QTX;
+ deq->y_dequant_Q3[q][i] = quant_Q3;
+
+ // u quantizer setup with original coeff shift of Q3
+ quant_Q3 = i == 0 ? av1_dc_quant_Q3(q, u_dc_delta_q, bit_depth)
+ : av1_ac_quant_Q3(q, u_ac_delta_q, bit_depth);
+ // u quantizer with TX scale
+ quant_QTX = i == 0 ? av1_dc_quant_QTX(q, u_dc_delta_q, bit_depth)
+ : av1_ac_quant_QTX(q, u_ac_delta_q, bit_depth);
+ invert_quant(&quants->u_quant[q][i], &quants->u_quant_shift[q][i],
+ quant_QTX);
+ quants->u_quant_fp[q][i] = (1 << 16) / quant_QTX;
+ quants->u_round_fp[q][i] = (qrounding_factor_fp * quant_QTX) >> 7;
+ quants->u_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant_QTX, 7);
+ quants->u_round[q][i] = (qrounding_factor * quant_QTX) >> 7;
+ deq->u_dequant_QTX[q][i] = quant_QTX;
+ deq->u_dequant_Q3[q][i] = quant_Q3;
+
+ // v quantizer setup with original coeff shift of Q3
+ quant_Q3 = i == 0 ? av1_dc_quant_Q3(q, v_dc_delta_q, bit_depth)
+ : av1_ac_quant_Q3(q, v_ac_delta_q, bit_depth);
+ // v quantizer with TX scale
+ quant_QTX = i == 0 ? av1_dc_quant_QTX(q, v_dc_delta_q, bit_depth)
+ : av1_ac_quant_QTX(q, v_ac_delta_q, bit_depth);
+ invert_quant(&quants->v_quant[q][i], &quants->v_quant_shift[q][i],
+ quant_QTX);
+ quants->v_quant_fp[q][i] = (1 << 16) / quant_QTX;
+ quants->v_round_fp[q][i] = (qrounding_factor_fp * quant_QTX) >> 7;
+ quants->v_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant_QTX, 7);
+ quants->v_round[q][i] = (qrounding_factor * quant_QTX) >> 7;
+ deq->v_dequant_QTX[q][i] = quant_QTX;
+ deq->v_dequant_Q3[q][i] = quant_Q3;
+ }
+
+ for (i = 2; i < 8; i++) { // 8: SIMD width
+ quants->y_quant[q][i] = quants->y_quant[q][1];
+ quants->y_quant_fp[q][i] = quants->y_quant_fp[q][1];
+ quants->y_round_fp[q][i] = quants->y_round_fp[q][1];
+ quants->y_quant_shift[q][i] = quants->y_quant_shift[q][1];
+ quants->y_zbin[q][i] = quants->y_zbin[q][1];
+ quants->y_round[q][i] = quants->y_round[q][1];
+ deq->y_dequant_QTX[q][i] = deq->y_dequant_QTX[q][1];
+ deq->y_dequant_Q3[q][i] = deq->y_dequant_Q3[q][1];
+
+ quants->u_quant[q][i] = quants->u_quant[q][1];
+ quants->u_quant_fp[q][i] = quants->u_quant_fp[q][1];
+ quants->u_round_fp[q][i] = quants->u_round_fp[q][1];
+ quants->u_quant_shift[q][i] = quants->u_quant_shift[q][1];
+ quants->u_zbin[q][i] = quants->u_zbin[q][1];
+ quants->u_round[q][i] = quants->u_round[q][1];
+ deq->u_dequant_QTX[q][i] = deq->u_dequant_QTX[q][1];
+ deq->u_dequant_Q3[q][i] = deq->u_dequant_Q3[q][1];
+ quants->v_quant[q][i] = quants->u_quant[q][1];
+ quants->v_quant_fp[q][i] = quants->v_quant_fp[q][1];
+ quants->v_round_fp[q][i] = quants->v_round_fp[q][1];
+ quants->v_quant_shift[q][i] = quants->v_quant_shift[q][1];
+ quants->v_zbin[q][i] = quants->v_zbin[q][1];
+ quants->v_round[q][i] = quants->v_round[q][1];
+ deq->v_dequant_QTX[q][i] = deq->v_dequant_QTX[q][1];
+ deq->v_dequant_Q3[q][i] = deq->v_dequant_Q3[q][1];
+ }
+ }
+}
+
+void av1_init_quantizer(AV1_COMP *cpi) {
+ AV1_COMMON *const cm = &cpi->common;
+ QUANTS *const quants = &cpi->quants;
+ Dequants *const dequants = &cpi->dequants;
+ av1_build_quantizer(cm->seq_params.bit_depth, cm->y_dc_delta_q,
+ cm->u_dc_delta_q, cm->u_ac_delta_q, cm->v_dc_delta_q,
+ cm->v_ac_delta_q, quants, dequants);
+}
+
+void av1_init_plane_quantizers(const AV1_COMP *cpi, MACROBLOCK *x,
+ int segment_id) {
+ const AV1_COMMON *const cm = &cpi->common;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ const QUANTS *const quants = &cpi->quants;
+
+ int current_qindex = AOMMAX(
+ 0, AOMMIN(QINDEX_RANGE - 1, cpi->oxcf.deltaq_mode != NO_DELTA_Q
+ ? cm->base_qindex + xd->delta_qindex
+ : cm->base_qindex));
+ const int qindex = av1_get_qindex(&cm->seg, segment_id, current_qindex);
+ const int rdmult = av1_compute_rd_mult(cpi, qindex + cm->y_dc_delta_q);
+ int qmlevel = (xd->lossless[segment_id] || cm->using_qmatrix == 0)
+ ? NUM_QM_LEVELS - 1
+ : cm->qm_y;
+
+ // Y
+ x->plane[0].quant_QTX = quants->y_quant[qindex];
+ x->plane[0].quant_fp_QTX = quants->y_quant_fp[qindex];
+ x->plane[0].round_fp_QTX = quants->y_round_fp[qindex];
+ x->plane[0].quant_shift_QTX = quants->y_quant_shift[qindex];
+ x->plane[0].zbin_QTX = quants->y_zbin[qindex];
+ x->plane[0].round_QTX = quants->y_round[qindex];
+ x->plane[0].dequant_QTX = cpi->dequants.y_dequant_QTX[qindex];
+ memcpy(&xd->plane[0].seg_qmatrix[segment_id], cm->gqmatrix[qmlevel][0],
+ sizeof(cm->gqmatrix[qmlevel][0]));
+ memcpy(&xd->plane[0].seg_iqmatrix[segment_id], cm->giqmatrix[qmlevel][0],
+ sizeof(cm->giqmatrix[qmlevel][0]));
+ xd->plane[0].dequant_Q3 = cpi->dequants.y_dequant_Q3[qindex];
+
+ // U
+ qmlevel = (xd->lossless[segment_id] || cm->using_qmatrix == 0)
+ ? NUM_QM_LEVELS - 1
+ : cm->qm_u;
+ {
+ x->plane[1].quant_QTX = quants->u_quant[qindex];
+ x->plane[1].quant_fp_QTX = quants->u_quant_fp[qindex];
+ x->plane[1].round_fp_QTX = quants->u_round_fp[qindex];
+ x->plane[1].quant_shift_QTX = quants->u_quant_shift[qindex];
+ x->plane[1].zbin_QTX = quants->u_zbin[qindex];
+ x->plane[1].round_QTX = quants->u_round[qindex];
+ x->plane[1].dequant_QTX = cpi->dequants.u_dequant_QTX[qindex];
+ memcpy(&xd->plane[1].seg_qmatrix[segment_id], cm->gqmatrix[qmlevel][1],
+ sizeof(cm->gqmatrix[qmlevel][1]));
+ memcpy(&xd->plane[1].seg_iqmatrix[segment_id], cm->giqmatrix[qmlevel][1],
+ sizeof(cm->giqmatrix[qmlevel][1]));
+ x->plane[1].dequant_QTX = cpi->dequants.u_dequant_QTX[qindex];
+ xd->plane[1].dequant_Q3 = cpi->dequants.u_dequant_Q3[qindex];
+ }
+ // V
+ qmlevel = (xd->lossless[segment_id] || cm->using_qmatrix == 0)
+ ? NUM_QM_LEVELS - 1
+ : cm->qm_v;
+ {
+ x->plane[2].quant_QTX = quants->v_quant[qindex];
+ x->plane[2].quant_fp_QTX = quants->v_quant_fp[qindex];
+ x->plane[2].round_fp_QTX = quants->v_round_fp[qindex];
+ x->plane[2].quant_shift_QTX = quants->v_quant_shift[qindex];
+ x->plane[2].zbin_QTX = quants->v_zbin[qindex];
+ x->plane[2].round_QTX = quants->v_round[qindex];
+ x->plane[2].dequant_QTX = cpi->dequants.v_dequant_QTX[qindex];
+ memcpy(&xd->plane[2].seg_qmatrix[segment_id], cm->gqmatrix[qmlevel][2],
+ sizeof(cm->gqmatrix[qmlevel][2]));
+ memcpy(&xd->plane[2].seg_iqmatrix[segment_id], cm->giqmatrix[qmlevel][2],
+ sizeof(cm->giqmatrix[qmlevel][2]));
+ x->plane[2].dequant_QTX = cpi->dequants.v_dequant_QTX[qindex];
+ xd->plane[2].dequant_Q3 = cpi->dequants.v_dequant_Q3[qindex];
+ }
+ x->skip_block = segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP);
+ x->qindex = qindex;
+
+ set_error_per_bit(x, rdmult);
+
+ av1_initialize_me_consts(cpi, x, qindex);
+}
+
+void av1_frame_init_quantizer(AV1_COMP *cpi) {
+ MACROBLOCK *const x = &cpi->td.mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ av1_init_plane_quantizers(cpi, x, xd->mi[0]->segment_id);
+}
+
+void av1_set_quantizer(AV1_COMMON *cm, int q) {
+ // quantizer has to be reinitialized with av1_init_quantizer() if any
+ // delta_q changes.
+ cm->base_qindex = AOMMAX(cm->delta_q_present_flag, q);
+ cm->y_dc_delta_q = 0;
+ cm->u_dc_delta_q = 0;
+ cm->u_ac_delta_q = 0;
+ cm->v_dc_delta_q = 0;
+ cm->v_ac_delta_q = 0;
+ cm->qm_y = aom_get_qmlevel(cm->base_qindex, cm->min_qmlevel, cm->max_qmlevel);
+ cm->qm_u = aom_get_qmlevel(cm->base_qindex + cm->u_ac_delta_q,
+ cm->min_qmlevel, cm->max_qmlevel);
+
+ if (!cm->seq_params.separate_uv_delta_q)
+ cm->qm_v = cm->qm_u;
+ else
+ cm->qm_v = aom_get_qmlevel(cm->base_qindex + cm->v_ac_delta_q,
+ cm->min_qmlevel, cm->max_qmlevel);
+}
+
+// Table that converts 0-63 Q-range values passed in outside to the Qindex
+// range used internally.
+static const int quantizer_to_qindex[] = {
+ 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48,
+ 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100,
+ 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152,
+ 156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 204,
+ 208, 212, 216, 220, 224, 228, 232, 236, 240, 244, 249, 255,
+};
+
+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;
+
+ return 63;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 09:18:30 +0000