| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef VP10_COMMON_QUANT_COMMON_H_ |
| #define VP10_COMMON_QUANT_COMMON_H_ |
| |
| #include "vpx/vpx_codec.h" |
| #include "vp10/common/seg_common.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define MINQ 0 |
| #define MAXQ 255 |
| #define QINDEX_RANGE (MAXQ - MINQ + 1) |
| #define QINDEX_BITS 8 |
| |
| int16_t vp10_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth); |
| int16_t vp10_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth); |
| |
| int vp10_get_qindex(const struct segmentation *seg, int segment_id, |
| int base_qindex); |
| |
| #if CONFIG_NEW_QUANT |
| |
| #define QUANT_PROFILES 3 |
| #define QUANT_RANGES 2 |
| #define NUQ_KNOTS 3 |
| |
| typedef tran_low_t dequant_val_type_nuq[NUQ_KNOTS + 1]; |
| typedef tran_low_t cuml_bins_type_nuq[NUQ_KNOTS]; |
| void vp10_get_dequant_val_nuq(int q, int qindex, int band, |
| tran_low_t *dq, tran_low_t *cuml_bins, |
| int dq_off_index); |
| tran_low_t vp10_dequant_abscoeff_nuq(int v, int q, const tran_low_t *dq); |
| tran_low_t vp10_dequant_coeff_nuq(int v, int q, const tran_low_t *dq); |
| |
| static INLINE int get_dq_profile_from_ctx(int q_ctx) { |
| return VPXMIN(q_ctx, QUANT_PROFILES - 1); |
| } |
| #endif // CONFIG_NEW_QUANT |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // VP10_COMMON_QUANT_COMMON_H_ |