9c9beb1c40
Added dq_off_index attribute to mbmi to allow for switching between dequantization modes. Reduced number of different dequantization modes from 5 to 3. Changed dequant_val_nuq to be allow for 3 dequant levels instead of 1. Fixed lint errors Change-Id: I7aee3548011aa4eee18adb09d835051c3108d2ee
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_QUANT_COMMON_H_
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#define VP9_COMMON_VP9_QUANT_COMMON_H_
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#include <stdio.h>
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#include "vpx/vpx_codec.h"
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#include "vp9/common/vp9_common.h"
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#include "vp9/common/vp9_seg_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MINQ 0
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#define MAXQ 255
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#define QINDEX_RANGE (MAXQ - MINQ + 1)
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#define QINDEX_BITS 8
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#if CONFIG_TX_SKIP
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#define TX_SKIP_SHIFT_THRESH 0
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#define PXD_QUANT_INDEX 0
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extern int tx_skip_q_thresh_inter;
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extern int tx_skip_q_thresh_intra;
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#endif // CONFIG_TX_SKIP
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int16_t vp9_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
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int16_t vp9_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
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int vp9_get_qindex(const struct segmentation *seg, int segment_id,
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int base_qindex);
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static INLINE int16_t vp9_round_factor_to_round(int16_t quant,
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int16_t round_factor) {
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return (round_factor * quant) >> 7;
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}
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#if CONFIG_NEW_QUANT
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#define NUQ_KNOTS 3
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typedef tran_low_t dequant_val_type_nuq[NUQ_KNOTS + 1];
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typedef tran_low_t cumbins_type_nuq[NUQ_KNOTS];
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void vp9_get_dequant_val_nuq(int q, int lossless, int band,
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tran_low_t *dq, tran_low_t *cumbins,
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int dq_off_index);
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tran_low_t vp9_dequant_abscoeff_nuq(int v, int q, const tran_low_t *dq);
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tran_low_t vp9_dequant_coeff_nuq(int v, int q, const tran_low_t *dq);
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#endif // CONFIG_NEW_QUANT
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_COMMON_VP9_QUANT_COMMON_H_
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