ref: 3252e6b63d69b7bf0add1a5a35e3af5b61c72995
dir: /vp9/encoder/vp9_quantize.h/
/* * 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 VP9_ENCODER_VP9_QUANTIZE_H_ #define VP9_ENCODER_VP9_QUANTIZE_H_ #include "./vpx_config.h" #include "vp9/encoder/vp9_block.h" #ifdef __cplusplus extern "C" { #endif typedef struct { 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, uv_quant_fp[QINDEX_RANGE][8]); DECLARE_ALIGNED(16, int16_t, y_round_fp[QINDEX_RANGE][8]); DECLARE_ALIGNED(16, int16_t, uv_round_fp[QINDEX_RANGE][8]); DECLARE_ALIGNED(16, int16_t, uv_quant[QINDEX_RANGE][8]); DECLARE_ALIGNED(16, int16_t, uv_quant_shift[QINDEX_RANGE][8]); DECLARE_ALIGNED(16, int16_t, uv_zbin[QINDEX_RANGE][8]); DECLARE_ALIGNED(16, int16_t, uv_round[QINDEX_RANGE][8]); } QUANTS; void vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block, const int16_t *scan, const int16_t *iscan); struct VP9_COMP; struct VP9Common; void vp9_frame_init_quantizer(struct VP9_COMP *cpi); void vp9_init_plane_quantizers(struct VP9_COMP *cpi, MACROBLOCK *x); void vp9_init_quantizer(struct VP9_COMP *cpi); void vp9_set_quantizer(struct VP9Common *cm, int q); int vp9_quantizer_to_qindex(int quantizer); int vp9_qindex_to_quantizer(int qindex); #ifdef __cplusplus } // extern "C" #endif #endif // VP9_ENCODER_VP9_QUANTIZE_H_