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Side by Side Diff: source/libvpx/vp9/common/vp9_idct.h

Issue 592203002: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years, 3 months ago
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1 /* 1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
(...skipping 18 matching lines...) Expand all
29 29
30 #define UNIT_QUANT_SHIFT 2 30 #define UNIT_QUANT_SHIFT 2
31 #define UNIT_QUANT_FACTOR (1 << UNIT_QUANT_SHIFT) 31 #define UNIT_QUANT_FACTOR (1 << UNIT_QUANT_SHIFT)
32 32
33 #define pair_set_epi16(a, b) \ 33 #define pair_set_epi16(a, b) \
34 _mm_set_epi16(b, a, b, a, b, a, b, a) 34 _mm_set_epi16(b, a, b, a, b, a, b, a)
35 35
36 #define dual_set_epi16(a, b) \ 36 #define dual_set_epi16(a, b) \
37 _mm_set_epi16(b, b, b, b, a, a, a, a) 37 _mm_set_epi16(b, b, b, b, a, a, a, a)
38 38
39 // Note:
40 // tran_low_t is the datatype used for final transform coefficients.
41 // tran_high_t is the datatype used for intermediate transform stages.
42 #if CONFIG_VP9_HIGHBITDEPTH
43 typedef int64_t tran_high_t;
44 typedef int32_t tran_low_t;
45 #else
46 typedef int32_t tran_high_t;
47 typedef int16_t tran_low_t;
48 #endif
49
39 // Constants: 50 // Constants:
40 // for (int i = 1; i< 32; ++i) 51 // for (int i = 1; i< 32; ++i)
41 // printf("static const int cospi_%d_64 = %.0f;\n", i, 52 // printf("static const int cospi_%d_64 = %.0f;\n", i,
42 // round(16384 * cos(i*M_PI/64))); 53 // round(16384 * cos(i*M_PI/64)));
43 // Note: sin(k*Pi/64) = cos((32-k)*Pi/64) 54 // Note: sin(k*Pi/64) = cos((32-k)*Pi/64)
44 static const int cospi_1_64 = 16364; 55 static const tran_high_t cospi_1_64 = 16364;
45 static const int cospi_2_64 = 16305; 56 static const tran_high_t cospi_2_64 = 16305;
46 static const int cospi_3_64 = 16207; 57 static const tran_high_t cospi_3_64 = 16207;
47 static const int cospi_4_64 = 16069; 58 static const tran_high_t cospi_4_64 = 16069;
48 static const int cospi_5_64 = 15893; 59 static const tran_high_t cospi_5_64 = 15893;
49 static const int cospi_6_64 = 15679; 60 static const tran_high_t cospi_6_64 = 15679;
50 static const int cospi_7_64 = 15426; 61 static const tran_high_t cospi_7_64 = 15426;
51 static const int cospi_8_64 = 15137; 62 static const tran_high_t cospi_8_64 = 15137;
52 static const int cospi_9_64 = 14811; 63 static const tran_high_t cospi_9_64 = 14811;
53 static const int cospi_10_64 = 14449; 64 static const tran_high_t cospi_10_64 = 14449;
54 static const int cospi_11_64 = 14053; 65 static const tran_high_t cospi_11_64 = 14053;
55 static const int cospi_12_64 = 13623; 66 static const tran_high_t cospi_12_64 = 13623;
56 static const int cospi_13_64 = 13160; 67 static const tran_high_t cospi_13_64 = 13160;
57 static const int cospi_14_64 = 12665; 68 static const tran_high_t cospi_14_64 = 12665;
58 static const int cospi_15_64 = 12140; 69 static const tran_high_t cospi_15_64 = 12140;
59 static const int cospi_16_64 = 11585; 70 static const tran_high_t cospi_16_64 = 11585;
60 static const int cospi_17_64 = 11003; 71 static const tran_high_t cospi_17_64 = 11003;
61 static const int cospi_18_64 = 10394; 72 static const tran_high_t cospi_18_64 = 10394;
62 static const int cospi_19_64 = 9760; 73 static const tran_high_t cospi_19_64 = 9760;
63 static const int cospi_20_64 = 9102; 74 static const tran_high_t cospi_20_64 = 9102;
64 static const int cospi_21_64 = 8423; 75 static const tran_high_t cospi_21_64 = 8423;
65 static const int cospi_22_64 = 7723; 76 static const tran_high_t cospi_22_64 = 7723;
66 static const int cospi_23_64 = 7005; 77 static const tran_high_t cospi_23_64 = 7005;
67 static const int cospi_24_64 = 6270; 78 static const tran_high_t cospi_24_64 = 6270;
68 static const int cospi_25_64 = 5520; 79 static const tran_high_t cospi_25_64 = 5520;
69 static const int cospi_26_64 = 4756; 80 static const tran_high_t cospi_26_64 = 4756;
70 static const int cospi_27_64 = 3981; 81 static const tran_high_t cospi_27_64 = 3981;
71 static const int cospi_28_64 = 3196; 82 static const tran_high_t cospi_28_64 = 3196;
72 static const int cospi_29_64 = 2404; 83 static const tran_high_t cospi_29_64 = 2404;
73 static const int cospi_30_64 = 1606; 84 static const tran_high_t cospi_30_64 = 1606;
74 static const int cospi_31_64 = 804; 85 static const tran_high_t cospi_31_64 = 804;
75 86
76 // 16384 * sqrt(2) * sin(kPi/9) * 2 / 3 87 // 16384 * sqrt(2) * sin(kPi/9) * 2 / 3
77 static const int sinpi_1_9 = 5283; 88 static const tran_high_t sinpi_1_9 = 5283;
78 static const int sinpi_2_9 = 9929; 89 static const tran_high_t sinpi_2_9 = 9929;
79 static const int sinpi_3_9 = 13377; 90 static const tran_high_t sinpi_3_9 = 13377;
80 static const int sinpi_4_9 = 15212; 91 static const tran_high_t sinpi_4_9 = 15212;
81 92
82 static INLINE int dct_const_round_shift(int input) { 93 static INLINE tran_low_t dct_const_round_shift(tran_high_t input) {
83 int rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS); 94 tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
84 #if CONFIG_COEFFICIENT_RANGE_CHECKING 95 #if CONFIG_VP9_HIGHBITDEPTH
96 // For valid highbitdepth VP9 streams, intermediate stage coefficients will
97 // stay within the ranges:
98 // - 8 bit: signed 16 bit integer
99 // - 10 bit: signed 18 bit integer
100 // - 12 bit: signed 20 bit integer
101 #elif CONFIG_COEFFICIENT_RANGE_CHECKING
85 // For valid VP9 input streams, intermediate stage coefficients should always 102 // For valid VP9 input streams, intermediate stage coefficients should always
86 // stay within the range of a signed 16 bit integer. Coefficients can go out 103 // stay within the range of a signed 16 bit integer. Coefficients can go out
87 // of this range for invalid/corrupt VP9 streams. However, strictly checking 104 // of this range for invalid/corrupt VP9 streams. However, strictly checking
88 // this range for every intermediate coefficient can burdensome for a decoder, 105 // this range for every intermediate coefficient can burdensome for a decoder,
89 // therefore the following assertion is only enabled when configured with 106 // therefore the following assertion is only enabled when configured with
90 // --enable-coefficient-range-checking. 107 // --enable-coefficient-range-checking.
91 assert(INT16_MIN <= rv); 108 assert(INT16_MIN <= rv);
92 assert(rv <= INT16_MAX); 109 assert(rv <= INT16_MAX);
93 #endif 110 #endif
94 return (int16_t)rv; 111 return (tran_low_t)rv;
95 } 112 }
96 113
97 typedef void (*transform_1d)(const int16_t*, int16_t*); 114 typedef void (*transform_1d)(const tran_low_t*, tran_low_t*);
98 115
99 typedef struct { 116 typedef struct {
100 transform_1d cols, rows; // vertical and horizontal 117 transform_1d cols, rows; // vertical and horizontal
101 } transform_2d; 118 } transform_2d;
102 119
103 void vp9_iwht4x4_add(const int16_t *input, uint8_t *dest, int stride, int eob); 120 #if CONFIG_VP9_HIGHBITDEPTH
121 typedef void (*high_transform_1d)(const tran_low_t*, tran_low_t*, int bd);
104 122
105 void vp9_idct4x4_add(const int16_t *input, uint8_t *dest, int stride, int eob); 123 typedef struct {
106 void vp9_idct8x8_add(const int16_t *input, uint8_t *dest, int stride, int eob); 124 high_transform_1d cols, rows; // vertical and horizontal
107 void vp9_idct16x16_add(const int16_t *input, uint8_t *dest, int stride, int 125 } high_transform_2d;
126 #endif // CONFIG_VP9_HIGHBITDEPTH
127
128 void vp9_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
129 int eob);
130 void vp9_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
131 int eob);
132 void vp9_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
133 int eob);
134 void vp9_idct16x16_add(const tran_low_t *input, uint8_t *dest, int stride, int
108 eob); 135 eob);
109 void vp9_idct32x32_add(const int16_t *input, uint8_t *dest, int stride, 136 void vp9_idct32x32_add(const tran_low_t *input, uint8_t *dest, int stride,
110 int eob); 137 int eob);
111 138
112 void vp9_iht4x4_add(TX_TYPE tx_type, const int16_t *input, uint8_t *dest, 139 void vp9_iht4x4_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
113 int stride, int eob); 140 int stride, int eob);
114 void vp9_iht8x8_add(TX_TYPE tx_type, const int16_t *input, uint8_t *dest, 141 void vp9_iht8x8_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
115 int stride, int eob); 142 int stride, int eob);
116 void vp9_iht16x16_add(TX_TYPE tx_type, const int16_t *input, uint8_t *dest, 143 void vp9_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
117 int stride, int eob); 144 int stride, int eob);
118 145
119 146 #if CONFIG_VP9_HIGHBITDEPTH
147 void vp9_high_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
148 int eob, int bd);
149 void vp9_high_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
150 int eob, int bd);
151 void vp9_high_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
152 int eob, int bd);
153 void vp9_high_idct16x16_add(const tran_low_t *input, uint8_t *dest, int stride,
154 int eob, int bd);
155 void vp9_high_idct32x32_add(const tran_low_t *input, uint8_t *dest, int stride,
156 int eob, int bd);
157 void vp9_high_iht4x4_add(TX_TYPE tx_type, const tran_low_t *input,
158 uint8_t *dest, int stride, int eob, int bd);
159 void vp9_high_iht8x8_add(TX_TYPE tx_type, const tran_low_t *input,
160 uint8_t *dest, int stride, int eob, int bd);
161 void vp9_high_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input,
162 uint8_t *dest, int stride, int eob, int bd);
163 #endif // CONFIG_VP9_HIGHBITDEPTH
120 #ifdef __cplusplus 164 #ifdef __cplusplus
121 } // extern "C" 165 } // extern "C"
122 #endif 166 #endif
123 167
124 #endif // VP9_COMMON_VP9_IDCT_H_ 168 #endif // VP9_COMMON_VP9_IDCT_H_
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