vp9/encoder/vp9_dct.h

   1 /*
   2  *  Copyright (c) 2014 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_DCT_H_
  12 #define VP9_ENCODER_VP9_DCT_H_
  13
  14 #include "vp9/common/vp9_idct.h"
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 void vp9_highbd_fdct4x4_c(const int16_t *input, tran_low_t *output, int stride);
  21 void vp9_highbd_fdct8x8_c(const int16_t *input, tran_low_t *output, int stride);
  22 void vp9_highbd_fdct16x16_c(const int16_t *input, tran_low_t *output,
  23                             int stride);
  24 void vp9_highbd_fdct32x32_c(const int16_t *input, tran_low_t *out, int stride);
  25 void vp9_highbd_fdct32x32_rd_c(const int16_t *input, tran_low_t *out,
  26                                int stride);
  27
  28 void vp9_fdct4(const tran_low_t *input, tran_low_t *output);
  29 void vp9_fadst4(const tran_low_t *input, tran_low_t *output);
  30 void vp9_fdct8(const tran_low_t *input, tran_low_t *output);
  31 void vp9_fadst8(const tran_low_t *input, tran_low_t *output);
  32 void vp9_fdct16(const tran_low_t in[16], tran_low_t out[16]);
  33 void vp9_fadst16(const tran_low_t *input, tran_low_t *output);
  34 void vp9_fdct32(const tran_high_t *input, tran_high_t *output, int round);
  35
  36 static const transform_2d FHT_4[] = {
  37   { vp9_fdct4,  vp9_fdct4  },  // DCT_DCT  = 0
  38   { vp9_fadst4, vp9_fdct4  },  // ADST_DCT = 1
  39   { vp9_fdct4,  vp9_fadst4 },  // DCT_ADST = 2
  40   { vp9_fadst4, vp9_fadst4 }   // ADST_ADST = 3
  41 };
  42
  43 static const transform_2d FHT_8[] = {
  44   { vp9_fdct8,  vp9_fdct8  },  // DCT_DCT  = 0
  45   { vp9_fadst8, vp9_fdct8  },  // ADST_DCT = 1
  46   { vp9_fdct8,  vp9_fadst8 },  // DCT_ADST = 2
  47   { vp9_fadst8, vp9_fadst8 }   // ADST_ADST = 3
  48 };
  49
  50 static const transform_2d FHT_16[] = {
  51   { vp9_fdct16,  vp9_fdct16  },  // DCT_DCT  = 0
  52   { vp9_fadst16, vp9_fdct16  },  // ADST_DCT = 1
  53   { vp9_fdct16,  vp9_fadst16 },  // DCT_ADST = 2
  54   { vp9_fadst16, vp9_fadst16 }   // ADST_ADST = 3
  55 };
  56
  57 #ifdef __cplusplus
  58 }  // extern "C"
  59 #endif
  60
  61 #endif  // VP9_ENCODER_VP9_DCT_H_