1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_VP9_ENCODER_VP9_QUANTIZE_H_ 12 #define VPX_VP9_ENCODER_VP9_QUANTIZE_H_ 13 14 #include "./vpx_config.h" 15 #include "vp9/encoder/vp9_block.h" 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 typedef struct { 22 DECLARE_ALIGNED(16, int16_t, y_quant[QINDEX_RANGE][8]); 23 DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]); 24 DECLARE_ALIGNED(16, int16_t, y_zbin[QINDEX_RANGE][8]); 25 DECLARE_ALIGNED(16, int16_t, y_round[QINDEX_RANGE][8]); 26 27 // TODO(jingning): in progress of re-working the quantization. will decide 28 // if we want to deprecate the current use of y_quant. 29 DECLARE_ALIGNED(16, int16_t, y_quant_fp[QINDEX_RANGE][8]); 30 DECLARE_ALIGNED(16, int16_t, uv_quant_fp[QINDEX_RANGE][8]); 31 DECLARE_ALIGNED(16, int16_t, y_round_fp[QINDEX_RANGE][8]); 32 DECLARE_ALIGNED(16, int16_t, uv_round_fp[QINDEX_RANGE][8]); 33 34 DECLARE_ALIGNED(16, int16_t, uv_quant[QINDEX_RANGE][8]); 35 DECLARE_ALIGNED(16, int16_t, uv_quant_shift[QINDEX_RANGE][8]); 36 DECLARE_ALIGNED(16, int16_t, uv_zbin[QINDEX_RANGE][8]); 37 DECLARE_ALIGNED(16, int16_t, uv_round[QINDEX_RANGE][8]); 38 } QUANTS; 39 40 void vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block, 41 const int16_t *scan, const int16_t *iscan); 42 43 struct VP9_COMP; 44 struct VP9Common; 45 46 void vp9_frame_init_quantizer(struct VP9_COMP *cpi); 47 48 void vp9_init_plane_quantizers(struct VP9_COMP *cpi, MACROBLOCK *x); 49 50 void vp9_init_quantizer(struct VP9_COMP *cpi); 51 52 void vp9_set_quantizer(struct VP9Common *cm, int q); 53 54 int vp9_quantizer_to_qindex(int quantizer); 55 56 int vp9_qindex_to_quantizer(int qindex); 57 58 #ifdef __cplusplus 59 } // extern "C" 60 #endif 61 62 #endif // VPX_VP9_ENCODER_VP9_QUANTIZE_H_ 63