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 VP9_ENCODER_VP9_QUANTIZE_H_ 12 #define VP9_ENCODER_VP9_QUANTIZE_H_ 13 14 #include "vp9/encoder/vp9_block.h" 15 16 #ifdef __cplusplus 17 extern "C" { 18 #endif 19 20 typedef struct { 21 DECLARE_ALIGNED(16, int16_t, y_quant[QINDEX_RANGE][8]); 22 DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]); 23 DECLARE_ALIGNED(16, int16_t, y_zbin[QINDEX_RANGE][8]); 24 DECLARE_ALIGNED(16, int16_t, y_round[QINDEX_RANGE][8]); 25 26 DECLARE_ALIGNED(16, int16_t, uv_quant[QINDEX_RANGE][8]); 27 DECLARE_ALIGNED(16, int16_t, uv_quant_shift[QINDEX_RANGE][8]); 28 DECLARE_ALIGNED(16, int16_t, uv_zbin[QINDEX_RANGE][8]); 29 DECLARE_ALIGNED(16, int16_t, uv_round[QINDEX_RANGE][8]); 30 31 #if CONFIG_ALPHA 32 DECLARE_ALIGNED(16, int16_t, a_quant[QINDEX_RANGE][8]); 33 DECLARE_ALIGNED(16, int16_t, a_quant_shift[QINDEX_RANGE][8]); 34 DECLARE_ALIGNED(16, int16_t, a_zbin[QINDEX_RANGE][8]); 35 DECLARE_ALIGNED(16, int16_t, a_round[QINDEX_RANGE][8]); 36 #endif 37 } QUANTS; 38 39 void vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block, 40 const int16_t *scan, const int16_t *iscan); 41 42 struct VP9_COMP; 43 struct VP9Common; 44 45 void vp9_frame_init_quantizer(struct VP9_COMP *cpi); 46 47 void vp9_update_zbin_extra(struct VP9_COMP *cpi, MACROBLOCK *x); 48 49 void vp9_init_plane_quantizers(struct VP9_COMP *cpi, MACROBLOCK *x); 50 51 void vp9_init_quantizer(struct VP9_COMP *cpi); 52 53 void vp9_set_quantizer(struct VP9Common *cm, int q); 54 55 #ifdef __cplusplus 56 } // extern "C" 57 #endif 58 59 #endif // VP9_ENCODER_VP9_QUANTIZE_H_ 60