granicus.if.org Git - libvpx/blob - vp9/encoder/vp9_quantize.h

   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 "./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_quantize_dc(const tran_low_t *coeff_ptr,
  41                      int n_coeffs, int skip_block,
  42                      const int16_t *round_ptr, const int16_t quant_ptr,
  43                      tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
  44                      const int16_t dequant_ptr, uint16_t *eob_ptr);
  45 void vp9_quantize_dc_32x32(const tran_low_t *coeff_ptr, int skip_block,
  46                            const int16_t *round_ptr, const int16_t quant_ptr,
  47                            tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
  48                            const int16_t dequant_ptr, uint16_t *eob_ptr);
  49 void vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block,
  50                                 const int16_t *scan, const int16_t *iscan);
  51
  52 #if CONFIG_VP9_HIGHBITDEPTH
  53 void vp9_highbd_quantize_dc(const tran_low_t *coeff_ptr,
  54                             int n_coeffs, int skip_block,
  55                             const int16_t *round_ptr, const int16_t quant_ptr,
  56                             tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
  57                             const int16_t dequant_ptr, uint16_t *eob_ptr);
  58 void vp9_highbd_quantize_dc_32x32(const tran_low_t *coeff_ptr,
  59                                   int skip_block,
  60                                   const int16_t *round_ptr,
  61                                   const int16_t quant_ptr,
  62                                   tran_low_t *qcoeff_ptr,
  63                                   tran_low_t *dqcoeff_ptr,
  64                                   const int16_t dequant_ptr,
  65                                   uint16_t *eob_ptr);
  66 #endif
  67
  68 struct VP9_COMP;
  69 struct VP9Common;
  70
  71 void vp9_frame_init_quantizer(struct VP9_COMP *cpi);
  72
  73 void vp9_init_plane_quantizers(struct VP9_COMP *cpi, MACROBLOCK *x);
  74
  75 void vp9_init_quantizer(struct VP9_COMP *cpi);
  76
  77 void vp9_set_quantizer(struct VP9Common *cm, int q);
  78
  79 int vp9_quantizer_to_qindex(int quantizer);
  80
  81 int vp9_qindex_to_quantizer(int qindex);
  82
  83 #ifdef __cplusplus
  84 }  // extern "C"
  85 #endif
  86
  87 #endif  // VP9_ENCODER_VP9_QUANTIZE_H_