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Commit 87b01b5a authored by Jingning Han's avatar Jingning Han Committed by Angie Chiang
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Rework base range entropy coding in level map system 

Replace the truncated geometric distribution model with the grouped
leaves structure for more efficient probability modeling.
Each group has its own Geometric distribution

This give us 0.2% gain on lowres

Change-Id: If5c73dd429bd5183a8aa81042f8f56937b1d8a6a
parent 698a6185
Hide whitespace changes
Inline Side-by-side
Showing with 408 additions and 63 deletions
aom_dsp/prob.h
View file @ 87b01b5a
......@@ -48,6 +48,8 @@ typedef uint16_t aom_cdf_prob;
#define LV_MAP_PROB 1
#define BR_NODE 1
#define aom_prob_half ((aom_prob)128)
typedef int8_t aom_tree_index;
......
av1/common/entropy.h
View file @ 87b01b5a
......@@ -78,7 +78,8 @@ extern "C" {
#define LEVEL_CONTEXTS (BR_TMP_OFFSET * BR_REF_CAT)
#define NUM_BASE_LEVELS 2
#define COEFF_BASE_RANGE (15 - NUM_BASE_LEVELS)
#define COEFF_BASE_RANGE (16 - NUM_BASE_LEVELS)
#define BASE_RANGE_SETS 3
#define COEFF_CONTEXT_BITS 6
#define COEFF_CONTEXT_MASK ((1 << COEFF_CONTEXT_BITS) - 1)
......
av1/common/entropymode.c
View file @ 87b01b5a
......@@ -355,58 +355,175 @@ const aom_prob default_eob_flag[TX_SIZES][PLANE_TYPES][EOB_COEF_CONTEXTS] = {
const aom_prob default_coeff_lps[TX_SIZES][PLANE_TYPES][LEVEL_CONTEXTS] = {
#if CONFIG_CHROMA_2X2
{
{ 164, 128, 134, 165, 128, 137, 168, 128, 97, 136, 167, 128,
182, 205, 143, 172, 200, 145, 173, 193, 103, 137, 170, 191,
198, 214, 162, 187, 209, 162, 187, 207, 128, 156, 183, 201,
219, 230, 204, 210, 225, 201, 209, 225, 187, 190, 203, 214 },
{ 106, 128, 98, 126, 128, 87, 122, 128, 54, 89, 131, 128,
142, 180, 123, 154, 189, 115, 149, 175, 79, 115, 157, 182,
175, 197, 147, 174, 199, 145, 174, 201, 89, 135, 173, 194,
212, 222, 206, 203, 223, 188, 201, 220, 128, 144, 202, 206 },
},
{ { 96, 128, 86, 122, 128, 84, 125, 128, 88, 99, 126, 128,
135, 159, 99, 130, 134, 100, 128, 144, 70, 97, 128, 139,
157, 168, 127, 148, 162, 121, 149, 157, 118, 127, 143, 157,
178, 186, 168, 171, 183, 165, 169, 180, 180, 169, 166, 177 },
{ 81, 128, 72, 95, 128, 64, 98, 128, 42, 66, 101, 128,
129, 163, 97, 122, 130, 91, 119, 141, 70, 94, 118, 166,
157, 168, 117, 143, 151, 111, 144, 154, 76, 113, 128, 158,
177, 185, 165, 167, 179, 155, 166, 179, 110, 137, 115, 165 } },
#endif
{
{ 164, 128, 134, 165, 128, 137, 168, 128, 97, 136, 167, 128,
182, 205, 143, 172, 200, 145, 173, 193, 103, 137, 170, 191,
198, 214, 162, 187, 209, 162, 187, 207, 128, 156, 183, 201,
219, 230, 204, 210, 225, 201, 209, 225, 187, 190, 203, 214 },
{ 106, 128, 98, 126, 128, 87, 122, 128, 54, 89, 131, 128,
142, 180, 123, 154, 189, 115, 149, 175, 79, 115, 157, 182,
175, 197, 147, 174, 199, 145, 174, 201, 89, 135, 173, 194,
212, 222, 206, 203, 223, 188, 201, 220, 128, 144, 202, 206 },
},
{
{ 171, 128, 123, 169, 128, 121, 165, 128, 82, 125, 168, 128,
191, 213, 143, 177, 199, 136, 170, 194, 95, 135, 171, 195,
206, 222, 166, 191, 212, 154, 184, 207, 115, 149, 180, 204,
223, 237, 196, 215, 231, 186, 209, 228, 158, 178, 201, 222 },
{ 115, 128, 115, 146, 128, 91, 147, 128, 55, 93, 139, 128,
147, 190, 141, 176, 201, 123, 156, 173, 68, 114, 156, 195,
186, 205, 153, 191, 214, 141, 179, 205, 107, 132, 166, 184,
215, 225, 200, 212, 230, 102, 207, 222, 128, 119, 200, 212 },
},
{
{ 185, 128, 134, 198, 128, 128, 195, 128, 58, 110, 162, 128,
208, 227, 154, 196, 206, 144, 188, 209, 83, 130, 168, 198,
219, 232, 167, 205, 222, 158, 196, 216, 107, 143, 178, 204,
233, 244, 202, 226, 238, 191, 217, 234, 153, 178, 200, 223 },
{ 160, 128, 154, 197, 128, 129, 178, 128, 53, 112, 157, 128,
185, 214, 169, 196, 221, 134, 179, 186, 82, 131, 168, 194,
204, 220, 176, 209, 221, 173, 194, 209, 107, 154, 181, 203,
230, 241, 202, 226, 237, 185, 223, 234, 162, 187, 203, 222 },
},
{
{ 177, 128, 165, 226, 128, 152, 219, 128, 45, 129, 188, 128,
198, 218, 179, 220, 228, 163, 214, 220, 72, 134, 181, 206,
216, 225, 177, 218, 231, 158, 213, 223, 112, 150, 185, 210,
245, 251, 204, 234, 247, 195, 231, 243, 163, 186, 213, 235 },
{ 161, 128, 174, 205, 128, 146, 182, 128, 59, 125, 179, 128,
183, 208, 199, 220, 239, 184, 213, 217, 71, 141, 196, 217,
213, 219, 215, 230, 237, 171, 224, 238, 112, 173, 193, 221,
239, 246, 168, 243, 249, 93, 241, 247, 128, 195, 216, 233 },
},
{ { 96, 128, 86, 122, 128, 84, 125, 128, 88, 99, 126, 128,
135, 159, 99, 130, 134, 100, 128, 144, 70, 97, 128, 139,
157, 168, 127, 148, 162, 121, 149, 157, 118, 127, 143, 157,
178, 186, 168, 171, 183, 165, 169, 180, 180, 169, 166, 177 },
{ 81, 128, 72, 95, 128, 64, 98, 128, 42, 66, 101, 128,
129, 163, 97, 122, 130, 91, 119, 141, 70, 94, 118, 166,
157, 168, 117, 143, 151, 111, 144, 154, 76, 113, 128, 158,
177, 185, 165, 167, 179, 155, 166, 179, 110, 137, 115, 165 } },
{ { 102, 128, 79, 125, 128, 74, 121, 128, 61, 98, 128, 128,
141, 164, 96, 132, 150, 90, 128, 153, 62, 100, 128, 153,
162, 172, 120, 146, 162, 113, 142, 154, 96, 113, 138, 155,
181, 188, 151, 170, 179, 147, 167, 181, 158, 157, 163, 176 },
{ 103, 128, 80, 116, 128, 66, 94, 128, 35, 65, 109, 128,
134, 163, 104, 137, 154, 92, 128, 104, 58, 94, 129, 132,
156, 173, 137, 149, 165, 104, 143, 143, 112, 101, 133, 159,
176, 186, 134, 172, 175, 155, 169, 177, 255, 107, 137, 168 } },
{ { 125, 128, 85, 157, 128, 82, 155, 128, 42, 83, 116, 128,
155, 174, 101, 144, 155, 93, 140, 155, 57, 92, 124, 149,
173, 178, 114, 148, 161, 111, 145, 161, 77, 101, 131, 153,
190, 191, 140, 169, 183, 140, 169, 179, 108, 122, 150, 171 },
{ 136, 128, 108, 163, 128, 96, 140, 128, 48, 90, 85, 128,
144, 164, 113, 158, 179, 107, 159, 128, 43, 75, 133, 160,
157, 184, 144, 160, 189, 154, 152, 184, 128, 124, 137, 140,
188, 196, 148, 170, 178, 128, 177, 159, 128, 179, 135, 135 } },
{ { 133, 128, 110, 153, 128, 101, 157, 128, 49, 91, 134, 128,
151, 168, 129, 158, 162, 112, 154, 168, 63, 99, 130, 158,
171, 178, 128, 160, 173, 111, 155, 171, 86, 108, 143, 159,
194, 196, 162, 177, 185, 123, 172, 181, 101, 132, 156, 178 },
{ 133, 128, 129, 144, 128, 116, 135, 128, 43, 101, 100, 128,
140, 163, 158, 173, 205, 128, 165, 171, 128, 128, 210, 163,
172, 184, 192, 176, 201, 183, 177, 190, 128, 192, 199, 144,
192, 192, 1, 196, 192, 255, 171, 178, 255, 128, 171, 179 } }
};
#if BR_NODE
const aom_prob
default_coeff_br[TX_SIZES][PLANE_TYPES][BASE_RANGE_SETS][LEVEL_CONTEXTS] = {
#if CONFIG_CHROMA_2X2
{ { { 62, 128, 54, 116, 128, 51, 97, 128, 59, 68, 107, 128,
119, 158, 68, 115, 131, 65, 112, 138, 34, 71, 118, 137,
171, 184, 110, 152, 178, 105, 146, 172, 89, 111, 145, 173,
214, 226, 201, 198, 214, 196, 193, 210, 239, 196, 186, 202 },
{ 41, 128, 58, 52, 128, 51, 61, 128, 92, 54, 48, 128,
67, 113, 36, 55, 75, 30, 56, 72, 12, 25, 50, 79,
94, 131, 37, 75, 108, 42, 78, 103, 5, 31, 67, 103,
172, 192, 131, 135, 167, 129, 136, 165, 149, 144, 120, 149 },
{ 35, 128, 74, 50, 128, 63, 59, 128, 87, 74, 38, 128,
32, 53, 23, 34, 50, 18, 30, 41, 15, 13, 18, 18,
52, 74, 18, 29, 36, 18, 31, 47, 51, 9, 15, 27,
96, 134, 85, 70, 93, 96, 79, 100, 108, 100, 55, 65 } },
{ { 52, 128, 35, 79, 128, 29, 66, 128, 12, 30, 57, 128,
113, 156, 64, 107, 172, 54, 103, 145, 23, 57, 96, 110,
165, 184, 95, 138, 166, 95, 141, 184, 55, 80, 133, 165,
212, 222, 134, 175, 206, 158, 177, 197, 102, 61, 154, 190 },
{ 36, 128, 18, 26, 128, 15, 29, 128, 4, 6, 30, 128,
63, 113, 25, 44, 66, 22, 40, 67, 9, 14, 34, 55,
90, 125, 26, 66, 82, 29, 73, 88, 1, 26, 34, 67,
158, 179, 70, 121, 134, 69, 111, 129, 1, 85, 54, 105 },
{ 24, 128, 8, 31, 128, 15, 16, 128, 1, 1, 1, 128,
32, 39, 16, 18, 43, 5, 17, 13, 1, 1, 22, 1,
37, 65, 26, 20, 28, 16, 15, 24, 128, 1, 1, 1,
83, 107, 57, 56, 74, 34, 29, 73, 128, 1, 37, 47 } } },
#endif
{ { { 62, 128, 54, 116, 128, 51, 97, 128, 59, 68, 107, 128,
119, 158, 68, 115, 131, 65, 112, 138, 34, 71, 118, 137,
171, 184, 110, 152, 178, 105, 146, 172, 89, 111, 145, 173,
214, 226, 201, 198, 214, 196, 193, 210, 239, 196, 186, 202 },
{ 41, 128, 58, 52, 128, 51, 61, 128, 92, 54, 48, 128,
67, 113, 36, 55, 75, 30, 56, 72, 12, 25, 50, 79,
94, 131, 37, 75, 108, 42, 78, 103, 5, 31, 67, 103,
172, 192, 131, 135, 167, 129, 136, 165, 149, 144, 120, 149 },
{ 35, 128, 74, 50, 128, 63, 59, 128, 87, 74, 38, 128,
32, 53, 23, 34, 50, 18, 30, 41, 15, 13, 18, 18,
52, 74, 18, 29, 36, 18, 31, 47, 51, 9, 15, 27,
96, 134, 85, 70, 93, 96, 79, 100, 108, 100, 55, 65 } },
{ { 52, 128, 35, 79, 128, 29, 66, 128, 12, 30, 57, 128,
113, 156, 64, 107, 172, 54, 103, 145, 23, 57, 96, 110,
165, 184, 95, 138, 166, 95, 141, 184, 55, 80, 133, 165,
212, 222, 134, 175, 206, 158, 177, 197, 102, 61, 154, 190 },
{ 36, 128, 18, 26, 128, 15, 29, 128, 4, 6, 30, 128,
63, 113, 25, 44, 66, 22, 40, 67, 9, 14, 34, 55,
90, 125, 26, 66, 82, 29, 73, 88, 1, 26, 34, 67,
158, 179, 70, 121, 134, 69, 111, 129, 1, 85, 54, 105 },
{ 24, 128, 8, 31, 128, 15, 16, 128, 1, 1, 1, 128,
32, 39, 16, 18, 43, 5, 17, 13, 1, 1, 22, 1,
37, 65, 26, 20, 28, 16, 15, 24, 128, 1, 1, 1,
83, 107, 57, 56, 74, 34, 29, 73, 128, 1, 37, 47 } } },
{ { { 72, 128, 45, 113, 128, 38, 100, 128, 26, 63, 112, 128,
134, 177, 65, 121, 148, 57, 111, 143, 27, 68, 116, 152,
181, 198, 98, 148, 173, 84, 136, 168, 53, 89, 134, 170,
218, 230, 173, 194, 216, 160, 188, 213, 199, 177, 183, 204 },
{ 54, 128, 34, 55, 128, 32, 53, 128, 66, 45, 54, 128,
81, 128, 33, 59, 102, 26, 55, 80, 7, 23, 49, 91,
116, 145, 36, 79, 107, 35, 73, 102, 12, 28, 57, 95,
170, 201, 102, 133, 173, 105, 127, 173, 166, 132, 114, 149 },
{ 40, 128, 25, 30, 128, 21, 31, 128, 24, 17, 24, 128,
51, 67, 19, 28, 40, 17, 25, 42, 15, 13, 19, 19,
61, 77, 19, 30, 48, 13, 33, 50, 11, 15, 21, 30,
103, 147, 37, 69, 111, 37, 66, 105, 18, 18, 36, 76 } },
{ { 74, 128, 42, 99, 128, 32, 57, 128, 9, 28, 76, 128,
115, 187, 70, 118, 120, 52, 109, 128, 19, 60, 93, 100,
178, 197, 119, 147, 179, 92, 137, 178, 37, 87, 110, 158,
216, 227, 169, 186, 201, 128, 178, 204, 1, 96, 155, 217 },
{ 59, 128, 26, 34, 128, 11, 20, 128, 7, 8, 24, 128,
73, 125, 38, 74, 96, 23, 61, 79, 15, 9, 23, 110,
96, 151, 49, 79, 164, 22, 70, 65, 1, 1, 9, 69,
156, 196, 73, 105, 181, 17, 126, 155, 128, 1, 90, 111 },
{ 42, 128, 10, 11, 128, 13, 1, 128, 1, 1, 1, 128,
55, 63, 13, 17, 85, 1, 16, 64, 1, 1, 1, 1,
62, 58, 32, 21, 53, 1, 37, 91, 128, 128, 1, 1,
81, 133, 51, 48, 79, 1, 25, 81, 128, 128, 1, 54 } } },
{ { { 103, 128, 52, 163, 128, 46, 155, 128, 12, 45, 97, 128,
162, 196, 69, 140, 170, 60, 130, 158, 21, 58, 109, 150,
205, 214, 93, 149, 178, 79, 143, 179, 38, 71, 120, 159,
231, 240, 150, 192, 218, 140, 188, 220, 84, 112, 159, 196 },
{ 93, 128, 42, 143, 128, 41, 132, 128, 6, 15, 40, 128,
113, 172, 39, 99, 113, 33, 91, 94, 5, 15, 42, 83,
148, 172, 37, 91, 130, 28, 81, 121, 9, 20, 47, 87,
201, 223, 75, 139, 183, 77, 132, 176, 23, 41, 82, 147 },
{ 92, 128, 45, 123, 128, 28, 88, 128, 1, 8, 20, 128,
85, 94, 39, 95, 83, 33, 81, 61, 4, 5, 17, 25,
84, 109, 17, 59, 76, 11, 46, 62, 1, 4, 13, 35,
139, 184, 25, 86, 129, 25, 71, 123, 26, 13, 31, 84 } },
{ { 123, 128, 82, 169, 128, 62, 139, 128, 1, 28, 77, 128,
139, 167, 92, 170, 146, 76, 149, 255, 19, 68, 160, 73,
190, 209, 171, 165, 218, 57, 152, 209, 128, 61, 122, 164,
237, 240, 146, 210, 227, 128, 224, 220, 128, 128, 196, 199 },
{ 130, 128, 52, 141, 128, 32, 101, 128, 128, 1, 85, 128,
94, 155, 71, 121, 255, 30, 116, 85, 1, 8, 58, 255,
105, 169, 110, 101, 132, 1, 77, 142, 128, 1, 54, 96,
166, 214, 224, 154, 198, 255, 153, 230, 128, 85, 100, 146 },
{ 103, 128, 26, 83, 128, 20, 47, 128, 128, 128, 1, 128,
91, 90, 19, 76, 128, 1, 42, 1, 128, 255, 64, 128,
74, 77, 1, 72, 68, 128, 13, 77, 128, 128, 64, 1,
71, 147, 37, 99, 171, 1, 104, 151, 128, 1, 1, 96 } } },
{ { { 113, 128, 79, 165, 128, 69, 149, 128, 14, 55, 116, 128,
163, 202, 104, 169, 205, 82, 159, 180, 22, 64, 121, 165,
207, 216, 113, 177, 215, 95, 166, 195, 35, 77, 132, 179,
241, 244, 173, 207, 233, 128, 202, 227, 92, 121, 169, 209 },
{ 114, 128, 67, 136, 128, 54, 132, 128, 6, 26, 62, 128,
85, 129, 85, 146, 173, 64, 129, 140, 7, 19, 65, 92,
139, 169, 42, 147, 186, 40, 129, 170, 18, 18, 65, 117,
213, 230, 74, 172, 213, 69, 165, 196, 1, 40, 103, 170 },
{ 101, 128, 61, 134, 128, 52, 97, 128, 1, 14, 26, 128,
79, 72, 71, 135, 152, 56, 114, 117, 1, 10, 24, 58,
64, 66, 60, 133, 148, 16, 126, 123, 1, 32, 26, 56,
143, 197, 51, 141, 176, 59, 132, 162, 128, 17, 47, 106 } },
{ { 115, 128, 112, 135, 128, 89, 130, 128, 15, 49, 89, 128,
143, 238, 154, 203, 255, 138, 172, 255, 1, 98, 196, 255,
185, 203, 255, 211, 255, 192, 217, 235, 128, 128, 171, 255,
233, 233, 255, 247, 255, 1, 239, 245, 1, 128, 255, 255 },
{ 75, 128, 76, 118, 128, 35, 74, 128, 1, 13, 23, 128,
63, 138, 114, 164, 140, 91, 128, 128, 128, 1, 138, 64,
96, 128, 255, 175, 236, 85, 166, 209, 128, 1, 128, 146,
196, 217, 1, 204, 206, 128, 212, 221, 128, 128, 128, 219 },
{ 49, 128, 36, 62, 128, 37, 56, 128, 128, 1, 1, 128,
45, 37, 68, 102, 128, 90, 56, 1, 128, 128, 37, 1,
26, 27, 128, 126, 128, 255, 63, 142, 128, 128, 1, 1,
125, 159, 128, 173, 212, 128, 85, 189, 128, 128, 255, 171 } } }
};
#endif // BR_NODE
#endif // CONFIG_LV_MAP
#if CONFIG_EXT_PARTITION_TYPES
......@@ -5060,6 +5177,9 @@ static void init_mode_probs(FRAME_CONTEXT *fc) {
av1_copy(fc->dc_sign, default_dc_sign);
av1_copy(fc->coeff_base, default_coeff_base);
av1_copy(fc->coeff_lps, default_coeff_lps);
#if BR_NODE
av1_copy(fc->coeff_br, default_coeff_br);
#endif
#if LV_MAP_PROB
av1_init_txb_probs(fc);
......
av1/common/entropymode.h
View file @ 87b01b5a
......@@ -175,6 +175,9 @@ typedef struct frame_contexts {
aom_prob coeff_base[TX_SIZES][PLANE_TYPES][NUM_BASE_LEVELS]
[COEFF_BASE_CONTEXTS];
aom_prob coeff_lps[TX_SIZES][PLANE_TYPES][LEVEL_CONTEXTS];
#if BR_NODE
aom_prob coeff_br[TX_SIZES][PLANE_TYPES][BASE_RANGE_SETS][LEVEL_CONTEXTS];
#endif
#if LV_MAP_PROB
aom_cdf_prob txb_skip_cdf[TX_SIZES][TXB_SKIP_CONTEXTS][CDF_SIZE(2)];
......@@ -187,6 +190,10 @@ typedef struct frame_contexts {
[COEFF_BASE_CONTEXTS][CDF_SIZE(2)];
aom_cdf_prob coeff_lps_cdf[TX_SIZES][PLANE_TYPES][LEVEL_CONTEXTS]
[CDF_SIZE(2)];
#if BR_NODE
aom_cdf_prob coeff_br_cdf[TX_SIZES][PLANE_TYPES][BASE_RANGE_SETS]
[LEVEL_CONTEXTS][CDF_SIZE(2)];
#endif
#endif // LV_MAP_PROB
#endif
......@@ -435,6 +442,8 @@ typedef struct FRAME_COUNTS {
unsigned int coeff_base[TX_SIZES][PLANE_TYPES][NUM_BASE_LEVELS]
[COEFF_BASE_CONTEXTS][2];
unsigned int coeff_lps[TX_SIZES][PLANE_TYPES][LEVEL_CONTEXTS][2];
unsigned int coeff_br[TX_SIZES][PLANE_TYPES][BASE_RANGE_SETS][LEVEL_CONTEXTS]
[2];
#endif // CONFIG_LV_MAP
av1_blockz_count_model blockz_count[TX_SIZES][PLANE_TYPES];
......
av1/common/txb_common.c
View file @ 87b01b5a
......@@ -160,10 +160,20 @@ void av1_init_txb_probs(FRAME_CONTEXT *fc) {
fc->coeff_lps_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768);
fc->coeff_lps_cdf[tx_size][plane][ctx][2] = 0;
}
#if BR_NODE
for (int br = 0; br < BASE_RANGE_SETS; ++br) {
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
fc->coeff_br_cdf[tx_size][plane][br][ctx][0] = AOM_ICDF(
128 * (aom_cdf_prob)fc->coeff_br[tx_size][plane][br][ctx]);
fc->coeff_br_cdf[tx_size][plane][br][ctx][1] = AOM_ICDF(32768);
fc->coeff_br_cdf[tx_size][plane][br][ctx][2] = 0;
}
}
#endif // BR_NODE
}
}
}
#endif
#endif // LV_MAP_PROB
void av1_adapt_txb_probs(AV1_COMMON *cm, unsigned int count_sat,
unsigned int update_factor) {
......@@ -211,11 +221,23 @@ void av1_adapt_txb_probs(AV1_COMMON *cm, unsigned int count_sat,
}
for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
for (plane = 0; plane < PLANE_TYPES; ++plane)
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx)
for (plane = 0; plane < PLANE_TYPES; ++plane) {
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
fc->coeff_lps[tx_size][plane][ctx] = merge_probs(
pre_fc->coeff_lps[tx_size][plane][ctx],
counts->coeff_lps[tx_size][plane][ctx], count_sat, update_factor);
}
#if BR_NODE
for (int br = 0; br < BASE_RANGE_SETS; ++br) {
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
fc->coeff_br[tx_size][plane][br][ctx] =
merge_probs(pre_fc->coeff_br[tx_size][plane][br][ctx],
counts->coeff_br[tx_size][plane][br][ctx], count_sat,
update_factor);
}
}
#endif // BR_NODE
}
}
}
......
av1/common/txb_common.h
View file @ 87b01b5a
......@@ -173,10 +173,22 @@ static int br_ref_offset[BR_CONTEXT_POSITION_NUM][2] = {
/* clang-format on*/
};
static int br_level_map[9] = {
static const int br_level_map[9] = {
0, 0, 1, 1, 2, 2, 3, 3, 3,
};
static const int coeff_to_br_index[COEFF_BASE_RANGE] = {
0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
};
static const int br_index_to_coeff[BASE_RANGE_SETS] = {
0, 2, 6,
};
static const int br_extra_bits[BASE_RANGE_SETS] = {
1, 2, 3,
};
#define BR_MAG_OFFSET 1
// TODO(angiebird): optimize this function by using a table to map from
// count/mag to ctx
......@@ -214,7 +226,7 @@ static INLINE int get_br_ctx_from_count_mag(int row, int col, int count,
offset = 0;
else if (mag <= 3)
offset = 1;
else if (mag <= 6)
else if (mag <= 5)
offset = 2;
else
offset = 3;
......
av1/decoder/decodetxb.c
View file @ 87b01b5a
......@@ -216,6 +216,52 @@ uint8_t av1_read_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
if (ec_ctx->coeff_lps[txs_ctx][plane_type][ctx] == 0) exit(0);
#if BR_NODE
for (idx = 0; idx < BASE_RANGE_SETS; ++idx) {
#if LV_MAP_PROB
if (aom_read_symbol(r,
cm->fc->coeff_br_cdf[txs_ctx][plane_type][idx][ctx],
2, ACCT_STR))
#else // LV_MAP_PROB
if (aom_read(r, cm->fc->coeff_br[txs_ctx][plane_type][idx][ctx],
ACCT_STR))
#endif // LV_MAP_PROB
{
int extra_bits = (1 << br_extra_bits[idx]) - 1;
// int br_offset = aom_read_literal(r, extra_bits, ACCT_STR);
int br_offset = 0;
int tok;
if (counts) ++counts->coeff_br[txs_ctx][plane_type][ctx][idx][1];
for (tok = 0; tok < extra_bits; ++tok) {
#if LV_MAP_PROB
if (aom_read_symbol(r,
cm->fc->coeff_lps_cdf[txs_ctx][plane_type][ctx],
2, ACCT_STR))
#else
if (aom_read(r, cm->fc->coeff_lps[txs_ctx][plane_type][ctx],
ACCT_STR))
#endif
{
br_offset = tok;
if (counts) ++counts->coeff_lps[txs_ctx][plane_type][ctx][1];
break;
}
if (counts) ++counts->coeff_lps[txs_ctx][plane_type][ctx][0];
}
if (tok == extra_bits) br_offset = extra_bits;
int br_base = br_index_to_coeff[idx];
*v = NUM_BASE_LEVELS + 1 + br_base + br_offset;
cul_level += *v;
if (sign) *v = -(*v);
break;
}
if (counts) ++counts->coeff_br[txs_ctx][plane_type][ctx][idx][0];
}
if (idx < BASE_RANGE_SETS) continue;
#else
for (idx = 0; idx < COEFF_BASE_RANGE; ++idx) {
#if LV_MAP_PROB
if (aom_read_symbol(r, ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2,
......@@ -234,6 +280,7 @@ uint8_t av1_read_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
if (counts) ++counts->coeff_lps[txs_ctx][plane_type][ctx][0];
}
if (idx < COEFF_BASE_RANGE) continue;
#endif
// decode 0-th order Golomb code
*v = read_golomb(xd, r) + COEFF_BASE_RANGE + 1 + NUM_BASE_LEVELS;
......
av1/encoder/block.h
View file @ 87b01b5a
......@@ -75,6 +75,9 @@ typedef struct {
int dc_sign_cost[DC_SIGN_CONTEXTS][2];
int base_cost[NUM_BASE_LEVELS][COEFF_BASE_CONTEXTS][2];
int lps_cost[LEVEL_CONTEXTS][2];
#if BR_NODE
int br_cost[BASE_RANGE_SETS][LEVEL_CONTEXTS][2];
#endif
} LV_MAP_COEFF_COST;
typedef struct {
......
av1/encoder/encodetxb.c
View file @ 87b01b5a
......@@ -231,6 +231,41 @@ void av1_write_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
// level is above 1.
ctx = get_br_ctx(tcoeff, scan[c], bwl, height);
#if BR_NODE
int base_range = level - 1 - NUM_BASE_LEVELS;
int br_set_idx = 0;
int br_base = 0;
int br_offset = 0;
if (base_range >= COEFF_BASE_RANGE)
br_set_idx = BASE_RANGE_SETS;
else
br_set_idx = coeff_to_br_index[base_range];
for (idx = 0; idx < BASE_RANGE_SETS; ++idx) {
aom_write_symbol(w, idx == br_set_idx,
cm->fc->coeff_br_cdf[txs_ctx][plane_type][idx][ctx], 2);
if (idx == br_set_idx) {
br_base = br_index_to_coeff[br_set_idx];
br_offset = base_range - br_base;
int extra_bits = (1 << br_extra_bits[idx]) - 1;
for (int tok = 0; tok < extra_bits; ++tok) {
if (tok == br_offset) {
aom_write_symbol(
w, 1, cm->fc->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2);
break;
}
aom_write_symbol(w, 0,
cm->fc->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2);
}
// aom_write_literal(w, br_offset, br_extra_bits[idx]);
break;
}
}
if (br_set_idx < BASE_RANGE_SETS) continue;
#else // BR_NODE
for (idx = 0; idx < COEFF_BASE_RANGE; ++idx) {
if (level == (idx + 1 + NUM_BASE_LEVELS)) {
#if LV_MAP_PROB
......@@ -249,6 +284,7 @@ void av1_write_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
#endif
}
if (idx < COEFF_BASE_RANGE) continue;
#endif // BR_NODE
// use 0-th order Golomb code to handle the residual level.
write_golomb(w, level - COEFF_BASE_RANGE - 1 - NUM_BASE_LEVELS);
......@@ -428,9 +464,35 @@ int av1_cost_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCK *x, int plane,
if (level > NUM_BASE_LEVELS) {
int idx;
int ctx;
ctx = get_br_ctx(qcoeff, scan[c], bwl, height);
#if BR_NODE
int base_range = level - 1 - NUM_BASE_LEVELS;
int br_set_idx = base_range < COEFF_BASE_RANGE
? coeff_to_br_index[base_range]
: BASE_RANGE_SETS;
for (idx = 0; idx < BASE_RANGE_SETS; ++idx) {
if (br_set_idx == idx) {
int br_base = br_index_to_coeff[br_set_idx];
int br_offset = base_range - br_base;
int extra_bits = (1 << br_extra_bits[idx]) - 1;
cost += coeff_costs->br_cost[idx][ctx][1];
for (int tok = 0; tok < extra_bits; ++tok) {
if (tok == br_offset) {
cost += coeff_costs->lps_cost[ctx][1];
break;
}
cost += coeff_costs->lps_cost[ctx][0];
}
// cost += extra_bits * av1_cost_bit(128, 1);
break;
}
cost += coeff_costs->br_cost[idx][ctx][0];
}
if (idx < BASE_RANGE_SETS) continue;
idx = COEFF_BASE_RANGE;
#else
for (idx = 0; idx < COEFF_BASE_RANGE; ++idx) {
if (level == (idx + 1 + NUM_BASE_LEVELS)) {
cost += coeff_costs->lps_cost[ctx][1];
......@@ -438,7 +500,7 @@ int av1_cost_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCK *x, int plane,
}
cost += coeff_costs->lps_cost[ctx][0];
}
#endif
if (idx >= COEFF_BASE_RANGE) {
// residual cost
int r = level - COEFF_BASE_RANGE - NUM_BASE_LEVELS;
......@@ -1681,6 +1743,45 @@ void av1_update_and_record_txb_context(int plane, int block, int blk_row,
// level is above 1.
ctx = get_br_ctx(tcoeff, scan[c], bwl, height);
#if BR_NODE
int base_range = level - 1 - NUM_BASE_LEVELS;
int br_set_idx = base_range < COEFF_BASE_RANGE
? coeff_to_br_index[base_range]
: BASE_RANGE_SETS;