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diff --git a/media/libaom/src/av1/encoder/av1_quantize.h b/media/libaom/src/av1/encoder/av1_quantize.h
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+++ b/media/libaom/src/av1/encoder/av1_quantize.h
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+/*
+ * 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.
+ */
+
+#ifndef AOM_AV1_ENCODER_AV1_QUANTIZE_H_
+#define AOM_AV1_ENCODER_AV1_QUANTIZE_H_
+
+#include "config/aom_config.h"
+
+#include "av1/common/quant_common.h"
+#include "av1/common/scan.h"
+#include "av1/encoder/block.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct QUANT_PARAM {
+ int log_scale;
+ TX_SIZE tx_size;
+ const qm_val_t *qmatrix;
+ const qm_val_t *iqmatrix;
+} QUANT_PARAM;
+
+typedef void (*AV1_QUANT_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);
+
+// The QUANTS structure is used only for internal quantizer setup in
+// av1_quantize.c.
+// All of its fields use the same coefficient shift/scaling at TX.
+typedef struct {
+ // 0: dc 1: ac 2-8: ac repeated to SIMD width
+ DECLARE_ALIGNED(16, int16_t, y_quant[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, y_zbin[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, y_round[QINDEX_RANGE][8]);
+
+ // TODO(jingning): in progress of re-working the quantization. will decide
+ // if we want to deprecate the current use of y_quant.
+ DECLARE_ALIGNED(16, int16_t, y_quant_fp[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, u_quant_fp[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, v_quant_fp[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, y_round_fp[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, u_round_fp[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, v_round_fp[QINDEX_RANGE][8]);
+
+ DECLARE_ALIGNED(16, int16_t, u_quant[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, v_quant[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, u_quant_shift[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, v_quant_shift[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, u_zbin[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, v_zbin[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, u_round[QINDEX_RANGE][8]);
+ DECLARE_ALIGNED(16, int16_t, v_round[QINDEX_RANGE][8]);
+} QUANTS;
+
+// The Dequants structure is used only for internal quantizer setup in
+// av1_quantize.c.
+// Fields are sufffixed according to whether or not they're expressed in
+// the same coefficient shift/precision as TX or a fixed Q3 format.
+typedef struct {
+ DECLARE_ALIGNED(16, int16_t,
+ y_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width
+ DECLARE_ALIGNED(16, int16_t,
+ u_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width
+ DECLARE_ALIGNED(16, int16_t,
+ v_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width
+ DECLARE_ALIGNED(16, int16_t, y_dequant_Q3[QINDEX_RANGE][8]); // 8: SIMD width
+ DECLARE_ALIGNED(16, int16_t, u_dequant_Q3[QINDEX_RANGE][8]); // 8: SIMD width
+ DECLARE_ALIGNED(16, int16_t, v_dequant_Q3[QINDEX_RANGE][8]); // 8: SIMD width
+} Dequants;
+
+struct AV1_COMP;
+struct AV1Common;
+
+void av1_frame_init_quantizer(struct AV1_COMP *cpi);
+
+void av1_init_plane_quantizers(const struct AV1_COMP *cpi, MACROBLOCK *x,
+ int segment_id);
+
+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);
+
+void av1_init_quantizer(struct AV1_COMP *cpi);
+
+void av1_set_quantizer(struct AV1Common *cm, int q);
+
+int av1_quantizer_to_qindex(int quantizer);
+
+int av1_qindex_to_quantizer(int qindex);
+
+void av1_quantize_skip(intptr_t n_coeffs, tran_low_t *qcoeff_ptr,
+ tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr);
+
+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);
+
+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);
+
+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);
+
+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);
+
+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);
+
+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);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AOM_AV1_ENCODER_AV1_QUANTIZE_H_