#include "imdct15.h"
#include "opus.h"
+#include "opustab.h"
enum CeltSpread {
CELT_SPREAD_NONE,
int tf_change [CELT_MAX_BANDS];
DECLARE_ALIGNED(32, float, coeffs)[2][CELT_MAX_FRAME_SIZE];
- DECLARE_ALIGNED(32, float, scratch)[22 * 8]; // MAX(celt_freq_range) * 1<<CELT_MAX_LOG_BLOCKS
-};
-
-static const uint16_t celt_model_tapset[] = { 4, 2, 3, 4 };
-
-static const uint16_t celt_model_spread[] = { 32, 7, 9, 30, 32 };
-
-static const uint16_t celt_model_alloc_trim[] = {
- 128, 2, 4, 9, 19, 41, 87, 109, 119, 124, 126, 128
-};
-
-static const uint16_t celt_model_energy_small[] = { 4, 2, 3, 4 };
-
-static const uint8_t celt_freq_bands[] = { /* in steps of 200Hz */
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 34, 40, 48, 60, 78, 100
-};
-
-static const uint8_t celt_freq_range[] = {
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 4, 6, 6, 8, 12, 18, 22
-};
-
-static const uint8_t celt_log_freq_range[] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 8, 8, 8, 8, 16, 16, 16, 21, 21, 24, 29, 34, 36
-};
-
-static const int8_t celt_tf_select[4][2][2][2] = {
- { { { 0, -1 }, { 0, -1 } }, { { 0, -1 }, { 0, -1 } } },
- { { { 0, -1 }, { 0, -2 } }, { { 1, 0 }, { 1, -1 } } },
- { { { 0, -2 }, { 0, -3 } }, { { 2, 0 }, { 1, -1 } } },
- { { { 0, -2 }, { 0, -3 } }, { { 3, 0 }, { 1, -1 } } }
-};
-
-static const float celt_mean_energy[] = {
- 6.437500f, 6.250000f, 5.750000f, 5.312500f, 5.062500f,
- 4.812500f, 4.500000f, 4.375000f, 4.875000f, 4.687500f,
- 4.562500f, 4.437500f, 4.875000f, 4.625000f, 4.312500f,
- 4.500000f, 4.375000f, 4.625000f, 4.750000f, 4.437500f,
- 3.750000f, 3.750000f, 3.750000f, 3.750000f, 3.750000f
-};
-
-static const float celt_alpha_coef[] = {
- 29440.0f/32768.0f, 26112.0f/32768.0f, 21248.0f/32768.0f, 16384.0f/32768.0f
-};
-
-static const float celt_beta_coef[] = { /* TODO: precompute 1 minus this if the code ends up neater */
- 30147.0f/32768.0f, 22282.0f/32768.0f, 12124.0f/32768.0f, 6554.0f/32768.0f
-};
-
-static const uint8_t celt_coarse_energy_dist[4][2][42] = {
- {
- { // 120-sample inter
- 72, 127, 65, 129, 66, 128, 65, 128, 64, 128, 62, 128, 64, 128,
- 64, 128, 92, 78, 92, 79, 92, 78, 90, 79, 116, 41, 115, 40,
- 114, 40, 132, 26, 132, 26, 145, 17, 161, 12, 176, 10, 177, 11
- }, { // 120-sample intra
- 24, 179, 48, 138, 54, 135, 54, 132, 53, 134, 56, 133, 55, 132,
- 55, 132, 61, 114, 70, 96, 74, 88, 75, 88, 87, 74, 89, 66,
- 91, 67, 100, 59, 108, 50, 120, 40, 122, 37, 97, 43, 78, 50
- }
- }, {
- { // 240-sample inter
- 83, 78, 84, 81, 88, 75, 86, 74, 87, 71, 90, 73, 93, 74,
- 93, 74, 109, 40, 114, 36, 117, 34, 117, 34, 143, 17, 145, 18,
- 146, 19, 162, 12, 165, 10, 178, 7, 189, 6, 190, 8, 177, 9
- }, { // 240-sample intra
- 23, 178, 54, 115, 63, 102, 66, 98, 69, 99, 74, 89, 71, 91,
- 73, 91, 78, 89, 86, 80, 92, 66, 93, 64, 102, 59, 103, 60,
- 104, 60, 117, 52, 123, 44, 138, 35, 133, 31, 97, 38, 77, 45
- }
- }, {
- { // 480-sample inter
- 61, 90, 93, 60, 105, 42, 107, 41, 110, 45, 116, 38, 113, 38,
- 112, 38, 124, 26, 132, 27, 136, 19, 140, 20, 155, 14, 159, 16,
- 158, 18, 170, 13, 177, 10, 187, 8, 192, 6, 175, 9, 159, 10
- }, { // 480-sample intra
- 21, 178, 59, 110, 71, 86, 75, 85, 84, 83, 91, 66, 88, 73,
- 87, 72, 92, 75, 98, 72, 105, 58, 107, 54, 115, 52, 114, 55,
- 112, 56, 129, 51, 132, 40, 150, 33, 140, 29, 98, 35, 77, 42
- }
- }, {
- { // 960-sample inter
- 42, 121, 96, 66, 108, 43, 111, 40, 117, 44, 123, 32, 120, 36,
- 119, 33, 127, 33, 134, 34, 139, 21, 147, 23, 152, 20, 158, 25,
- 154, 26, 166, 21, 173, 16, 184, 13, 184, 10, 150, 13, 139, 15
- }, { // 960-sample intra
- 22, 178, 63, 114, 74, 82, 84, 83, 92, 82, 103, 62, 96, 72,
- 96, 67, 101, 73, 107, 72, 113, 55, 118, 52, 125, 52, 118, 52,
- 117, 55, 135, 49, 137, 39, 157, 32, 145, 29, 97, 33, 77, 40
- }
- }
-};
-
-static const uint8_t celt_static_alloc[11][21] = { /* 1/32 bit/sample */
- { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
- { 90, 80, 75, 69, 63, 56, 49, 40, 34, 29, 20, 18, 10, 0, 0, 0, 0, 0, 0, 0, 0 },
- { 110, 100, 90, 84, 78, 71, 65, 58, 51, 45, 39, 32, 26, 20, 12, 0, 0, 0, 0, 0, 0 },
- { 118, 110, 103, 93, 86, 80, 75, 70, 65, 59, 53, 47, 40, 31, 23, 15, 4, 0, 0, 0, 0 },
- { 126, 119, 112, 104, 95, 89, 83, 78, 72, 66, 60, 54, 47, 39, 32, 25, 17, 12, 1, 0, 0 },
- { 134, 127, 120, 114, 103, 97, 91, 85, 78, 72, 66, 60, 54, 47, 41, 35, 29, 23, 16, 10, 1 },
- { 144, 137, 130, 124, 113, 107, 101, 95, 88, 82, 76, 70, 64, 57, 51, 45, 39, 33, 26, 15, 1 },
- { 152, 145, 138, 132, 123, 117, 111, 105, 98, 92, 86, 80, 74, 67, 61, 55, 49, 43, 36, 20, 1 },
- { 162, 155, 148, 142, 133, 127, 121, 115, 108, 102, 96, 90, 84, 77, 71, 65, 59, 53, 46, 30, 1 },
- { 172, 165, 158, 152, 143, 137, 131, 125, 118, 112, 106, 100, 94, 87, 81, 75, 69, 63, 56, 45, 20 },
- { 200, 200, 200, 200, 200, 200, 200, 200, 198, 193, 188, 183, 178, 173, 168, 163, 158, 153, 148, 129, 104 }
-};
-
-static const uint8_t celt_static_caps[4][2][21] = {
- { // 120-sample
- {224, 224, 224, 224, 224, 224, 224, 224, 160, 160,
- 160, 160, 185, 185, 185, 178, 178, 168, 134, 61, 37},
- {224, 224, 224, 224, 224, 224, 224, 224, 240, 240,
- 240, 240, 207, 207, 207, 198, 198, 183, 144, 66, 40},
- }, { // 240-sample
- {160, 160, 160, 160, 160, 160, 160, 160, 185, 185,
- 185, 185, 193, 193, 193, 183, 183, 172, 138, 64, 38},
- {240, 240, 240, 240, 240, 240, 240, 240, 207, 207,
- 207, 207, 204, 204, 204, 193, 193, 180, 143, 66, 40},
- }, { // 480-sample
- {185, 185, 185, 185, 185, 185, 185, 185, 193, 193,
- 193, 193, 193, 193, 193, 183, 183, 172, 138, 65, 39},
- {207, 207, 207, 207, 207, 207, 207, 207, 204, 204,
- 204, 204, 201, 201, 201, 188, 188, 176, 141, 66, 40},
- }, { // 960-sample
- {193, 193, 193, 193, 193, 193, 193, 193, 193, 193,
- 193, 193, 194, 194, 194, 184, 184, 173, 139, 65, 39},
- {204, 204, 204, 204, 204, 204, 204, 204, 201, 201,
- 201, 201, 198, 198, 198, 187, 187, 175, 140, 66, 40}
- }
-};
-
-static const uint8_t celt_cache_bits[392] = {
- 40, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
- 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
- 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 40, 15, 23, 28,
- 31, 34, 36, 38, 39, 41, 42, 43, 44, 45, 46, 47, 47, 49, 50,
- 51, 52, 53, 54, 55, 55, 57, 58, 59, 60, 61, 62, 63, 63, 65,
- 66, 67, 68, 69, 70, 71, 71, 40, 20, 33, 41, 48, 53, 57, 61,
- 64, 66, 69, 71, 73, 75, 76, 78, 80, 82, 85, 87, 89, 91, 92,
- 94, 96, 98, 101, 103, 105, 107, 108, 110, 112, 114, 117, 119, 121, 123,
- 124, 126, 128, 40, 23, 39, 51, 60, 67, 73, 79, 83, 87, 91, 94,
- 97, 100, 102, 105, 107, 111, 115, 118, 121, 124, 126, 129, 131, 135, 139,
- 142, 145, 148, 150, 153, 155, 159, 163, 166, 169, 172, 174, 177, 179, 35,
- 28, 49, 65, 78, 89, 99, 107, 114, 120, 126, 132, 136, 141, 145, 149,
- 153, 159, 165, 171, 176, 180, 185, 189, 192, 199, 205, 211, 216, 220, 225,
- 229, 232, 239, 245, 251, 21, 33, 58, 79, 97, 112, 125, 137, 148, 157,
- 166, 174, 182, 189, 195, 201, 207, 217, 227, 235, 243, 251, 17, 35, 63,
- 86, 106, 123, 139, 152, 165, 177, 187, 197, 206, 214, 222, 230, 237, 250,
- 25, 31, 55, 75, 91, 105, 117, 128, 138, 146, 154, 161, 168, 174, 180,
- 185, 190, 200, 208, 215, 222, 229, 235, 240, 245, 255, 16, 36, 65, 89,
- 110, 128, 144, 159, 173, 185, 196, 207, 217, 226, 234, 242, 250, 11, 41,
- 74, 103, 128, 151, 172, 191, 209, 225, 241, 255, 9, 43, 79, 110, 138,
- 163, 186, 207, 227, 246, 12, 39, 71, 99, 123, 144, 164, 182, 198, 214,
- 228, 241, 253, 9, 44, 81, 113, 142, 168, 192, 214, 235, 255, 7, 49,
- 90, 127, 160, 191, 220, 247, 6, 51, 95, 134, 170, 203, 234, 7, 47,
- 87, 123, 155, 184, 212, 237, 6, 52, 97, 137, 174, 208, 240, 5, 57,
- 106, 151, 192, 231, 5, 59, 111, 158, 202, 243, 5, 55, 103, 147, 187,
- 224, 5, 60, 113, 161, 206, 248, 4, 65, 122, 175, 224, 4, 67, 127,
- 182, 234
-};
-
-static const int16_t celt_cache_index[105] = {
- -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 41, 41, 41,
- 82, 82, 123, 164, 200, 222, 0, 0, 0, 0, 0, 0, 0, 0, 41,
- 41, 41, 41, 123, 123, 123, 164, 164, 240, 266, 283, 295, 41, 41, 41,
- 41, 41, 41, 41, 41, 123, 123, 123, 123, 240, 240, 240, 266, 266, 305,
- 318, 328, 336, 123, 123, 123, 123, 123, 123, 123, 123, 240, 240, 240, 240,
- 305, 305, 305, 318, 318, 343, 351, 358, 364, 240, 240, 240, 240, 240, 240,
- 240, 240, 305, 305, 305, 305, 343, 343, 343, 351, 351, 370, 376, 382, 387,
-};
-
-static const uint8_t celt_log2_frac[] = {
- 0, 8, 13, 16, 19, 21, 23, 24, 26, 27, 28, 29, 30, 31, 32, 32, 33, 34, 34, 35, 36, 36, 37, 37
-};
-
-static const uint8_t celt_bit_interleave[] = {
- 0, 1, 1, 1, 2, 3, 3, 3, 2, 3, 3, 3, 2, 3, 3, 3
-};
-
-static const uint8_t celt_bit_deinterleave[] = {
- 0x00, 0x03, 0x0C, 0x0F, 0x30, 0x33, 0x3C, 0x3F,
- 0xC0, 0xC3, 0xCC, 0xCF, 0xF0, 0xF3, 0xFC, 0xFF
-};
-
-static const uint8_t celt_hadamard_ordery[] = {
- 1, 0,
- 3, 0, 2, 1,
- 7, 0, 4, 3, 6, 1, 5, 2,
- 15, 0, 8, 7, 12, 3, 11, 4, 14, 1, 9, 6, 13, 2, 10, 5
-};
-
-static const uint16_t celt_qn_exp2[] = {
- 16384, 17866, 19483, 21247, 23170, 25267, 27554, 30048
-};
-
-static const uint32_t celt_pvq_u[1272] = {
- /* N = 0, K = 0...176 */
- 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- /* N = 1, K = 1...176 */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- /* N = 2, K = 2...176 */
- 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41,
- 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79,
- 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113,
- 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135, 137, 139, 141, 143,
- 145, 147, 149, 151, 153, 155, 157, 159, 161, 163, 165, 167, 169, 171, 173,
- 175, 177, 179, 181, 183, 185, 187, 189, 191, 193, 195, 197, 199, 201, 203,
- 205, 207, 209, 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233,
- 235, 237, 239, 241, 243, 245, 247, 249, 251, 253, 255, 257, 259, 261, 263,
- 265, 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, 287, 289, 291, 293,
- 295, 297, 299, 301, 303, 305, 307, 309, 311, 313, 315, 317, 319, 321, 323,
- 325, 327, 329, 331, 333, 335, 337, 339, 341, 343, 345, 347, 349, 351,
- /* N = 3, K = 3...176 */
- 13, 25, 41, 61, 85, 113, 145, 181, 221, 265, 313, 365, 421, 481, 545, 613,
- 685, 761, 841, 925, 1013, 1105, 1201, 1301, 1405, 1513, 1625, 1741, 1861,
- 1985, 2113, 2245, 2381, 2521, 2665, 2813, 2965, 3121, 3281, 3445, 3613, 3785,
- 3961, 4141, 4325, 4513, 4705, 4901, 5101, 5305, 5513, 5725, 5941, 6161, 6385,
- 6613, 6845, 7081, 7321, 7565, 7813, 8065, 8321, 8581, 8845, 9113, 9385, 9661,
- 9941, 10225, 10513, 10805, 11101, 11401, 11705, 12013, 12325, 12641, 12961,
- 13285, 13613, 13945, 14281, 14621, 14965, 15313, 15665, 16021, 16381, 16745,
- 17113, 17485, 17861, 18241, 18625, 19013, 19405, 19801, 20201, 20605, 21013,
- 21425, 21841, 22261, 22685, 23113, 23545, 23981, 24421, 24865, 25313, 25765,
- 26221, 26681, 27145, 27613, 28085, 28561, 29041, 29525, 30013, 30505, 31001,
- 31501, 32005, 32513, 33025, 33541, 34061, 34585, 35113, 35645, 36181, 36721,
- 37265, 37813, 38365, 38921, 39481, 40045, 40613, 41185, 41761, 42341, 42925,
- 43513, 44105, 44701, 45301, 45905, 46513, 47125, 47741, 48361, 48985, 49613,
- 50245, 50881, 51521, 52165, 52813, 53465, 54121, 54781, 55445, 56113, 56785,
- 57461, 58141, 58825, 59513, 60205, 60901, 61601,
- /* N = 4, K = 4...176 */
- 63, 129, 231, 377, 575, 833, 1159, 1561, 2047, 2625, 3303, 4089, 4991, 6017,
- 7175, 8473, 9919, 11521, 13287, 15225, 17343, 19649, 22151, 24857, 27775,
- 30913, 34279, 37881, 41727, 45825, 50183, 54809, 59711, 64897, 70375, 76153,
- 82239, 88641, 95367, 102425, 109823, 117569, 125671, 134137, 142975, 152193,
- 161799, 171801, 182207, 193025, 204263, 215929, 228031, 240577, 253575,
- 267033, 280959, 295361, 310247, 325625, 341503, 357889, 374791, 392217,
- 410175, 428673, 447719, 467321, 487487, 508225, 529543, 551449, 573951,
- 597057, 620775, 645113, 670079, 695681, 721927, 748825, 776383, 804609,
- 833511, 863097, 893375, 924353, 956039, 988441, 1021567, 1055425, 1090023,
- 1125369, 1161471, 1198337, 1235975, 1274393, 1313599, 1353601, 1394407,
- 1436025, 1478463, 1521729, 1565831, 1610777, 1656575, 1703233, 1750759,
- 1799161, 1848447, 1898625, 1949703, 2001689, 2054591, 2108417, 2163175,
- 2218873, 2275519, 2333121, 2391687, 2451225, 2511743, 2573249, 2635751,
- 2699257, 2763775, 2829313, 2895879, 2963481, 3032127, 3101825, 3172583,
- 3244409, 3317311, 3391297, 3466375, 3542553, 3619839, 3698241, 3777767,
- 3858425, 3940223, 4023169, 4107271, 4192537, 4278975, 4366593, 4455399,
- 4545401, 4636607, 4729025, 4822663, 4917529, 5013631, 5110977, 5209575,
- 5309433, 5410559, 5512961, 5616647, 5721625, 5827903, 5935489, 6044391,
- 6154617, 6266175, 6379073, 6493319, 6608921, 6725887, 6844225, 6963943,
- 7085049, 7207551,
- /* N = 5, K = 5...176 */
- 321, 681, 1289, 2241, 3649, 5641, 8361, 11969, 16641, 22569, 29961, 39041,
- 50049, 63241, 78889, 97281, 118721, 143529, 172041, 204609, 241601, 283401,
- 330409, 383041, 441729, 506921, 579081, 658689, 746241, 842249, 947241,
- 1061761, 1186369, 1321641, 1468169, 1626561, 1797441, 1981449, 2179241,
- 2391489, 2618881, 2862121, 3121929, 3399041, 3694209, 4008201, 4341801,
- 4695809, 5071041, 5468329, 5888521, 6332481, 6801089, 7295241, 7815849,
- 8363841, 8940161, 9545769, 10181641, 10848769, 11548161, 12280841, 13047849,
- 13850241, 14689089, 15565481, 16480521, 17435329, 18431041, 19468809,
- 20549801, 21675201, 22846209, 24064041, 25329929, 26645121, 28010881,
- 29428489, 30899241, 32424449, 34005441, 35643561, 37340169, 39096641,
- 40914369, 42794761, 44739241, 46749249, 48826241, 50971689, 53187081,
- 55473921, 57833729, 60268041, 62778409, 65366401, 68033601, 70781609,
- 73612041, 76526529, 79526721, 82614281, 85790889, 89058241, 92418049,
- 95872041, 99421961, 103069569, 106816641, 110664969, 114616361, 118672641,
- 122835649, 127107241, 131489289, 135983681, 140592321, 145317129, 150160041,
- 155123009, 160208001, 165417001, 170752009, 176215041, 181808129, 187533321,
- 193392681, 199388289, 205522241, 211796649, 218213641, 224775361, 231483969,
- 238341641, 245350569, 252512961, 259831041, 267307049, 274943241, 282741889,
- 290705281, 298835721, 307135529, 315607041, 324252609, 333074601, 342075401,
- 351257409, 360623041, 370174729, 379914921, 389846081, 399970689, 410291241,
- 420810249, 431530241, 442453761, 453583369, 464921641, 476471169, 488234561,
- 500214441, 512413449, 524834241, 537479489, 550351881, 563454121, 576788929,
- 590359041, 604167209, 618216201, 632508801,
- /* N = 6, K = 6...96 (technically V(109,5) fits in 32 bits, but that can't be
- achieved by splitting an Opus band) */
- 1683, 3653, 7183, 13073, 22363, 36365, 56695, 85305, 124515, 177045, 246047,
- 335137, 448427, 590557, 766727, 982729, 1244979, 1560549, 1937199, 2383409,
- 2908411, 3522221, 4235671, 5060441, 6009091, 7095093, 8332863, 9737793,
- 11326283, 13115773, 15124775, 17372905, 19880915, 22670725, 25765455,
- 29189457, 32968347, 37129037, 41699767, 46710137, 52191139, 58175189,
- 64696159, 71789409, 79491819, 87841821, 96879431, 106646281, 117185651,
- 128542501, 140763503, 153897073, 167993403, 183104493, 199284183, 216588185,
- 235074115, 254801525, 275831935, 298228865, 322057867, 347386557, 374284647,
- 402823977, 433078547, 465124549, 499040399, 534906769, 572806619, 612825229,
- 655050231, 699571641, 746481891, 795875861, 847850911, 902506913, 959946283,
- 1020274013, 1083597703, 1150027593, 1219676595, 1292660325, 1369097135,
- 1449108145, 1532817275, 1620351277, 1711839767, 1807415257, 1907213187,
- 2011371957, 2120032959,
- /* N = 7, K = 7...54 (technically V(60,6) fits in 32 bits, but that can't be
- achieved by splitting an Opus band) */
- 8989, 19825, 40081, 75517, 134245, 227305, 369305, 579125, 880685, 1303777,
- 1884961, 2668525, 3707509, 5064793, 6814249, 9041957, 11847485, 15345233,
- 19665841, 24957661, 31388293, 39146185, 48442297, 59511829, 72616013,
- 88043969, 106114625, 127178701, 151620757, 179861305, 212358985, 249612805,
- 292164445, 340600625, 395555537, 457713341, 527810725, 606639529, 695049433,
- 793950709, 904317037, 1027188385, 1163673953, 1314955181, 1482288821,
- 1667010073, 1870535785, 2094367717,
- /* N = 8, K = 8...37 (technically V(40,7) fits in 32 bits, but that can't be
- achieved by splitting an Opus band) */
- 48639, 108545, 224143, 433905, 795455, 1392065, 2340495, 3800305, 5984767,
- 9173505, 13726991, 20103025, 28875327, 40754369, 56610575, 77500017,
- 104692735, 139703809, 184327311, 240673265, 311207743, 398796225, 506750351,
- 638878193, 799538175, 993696769, 1226990095, 1505789553, 1837271615,
- 2229491905,
- /* N = 9, K = 9...28 (technically V(29,8) fits in 32 bits, but that can't be
- achieved by splitting an Opus band) */
- 265729, 598417, 1256465, 2485825, 4673345, 8405905, 14546705, 24331777,
- 39490049, 62390545, 96220561, 145198913, 214828609, 312193553, 446304145,
- 628496897, 872893441, 1196924561, 1621925137, 2173806145,
- /* N = 10, K = 10...24 */
- 1462563, 3317445, 7059735, 14218905, 27298155, 50250765, 89129247, 152951073,
- 254831667, 413442773, 654862247, 1014889769, 1541911931, 2300409629,
- 3375210671,
- /* N = 11, K = 11...19 (technically V(20,10) fits in 32 bits, but that can't be
- achieved by splitting an Opus band) */
- 8097453, 18474633, 39753273, 81270333, 158819253, 298199265, 540279585,
- 948062325, 1616336765,
- /* N = 12, K = 12...18 */
- 45046719, 103274625, 224298231, 464387817, 921406335, 1759885185,
- 3248227095,
- /* N = 13, K = 13...16 */
- 251595969, 579168825, 1267854873, 2653649025,
- /* N = 14, K = 14 */
- 1409933619
-};
-
-DECLARE_ALIGNED(32, static const float, celt_window)[120] = {
- 6.7286966e-05f, 0.00060551348f, 0.0016815970f, 0.0032947962f, 0.0054439943f,
- 0.0081276923f, 0.011344001f, 0.015090633f, 0.019364886f, 0.024163635f,
- 0.029483315f, 0.035319905f, 0.041668911f, 0.048525347f, 0.055883718f,
- 0.063737999f, 0.072081616f, 0.080907428f, 0.090207705f, 0.099974111f,
- 0.11019769f, 0.12086883f, 0.13197729f, 0.14351214f, 0.15546177f,
- 0.16781389f, 0.18055550f, 0.19367290f, 0.20715171f, 0.22097682f,
- 0.23513243f, 0.24960208f, 0.26436860f, 0.27941419f, 0.29472040f,
- 0.31026818f, 0.32603788f, 0.34200931f, 0.35816177f, 0.37447407f,
- 0.39092462f, 0.40749142f, 0.42415215f, 0.44088423f, 0.45766484f,
- 0.47447104f, 0.49127978f, 0.50806798f, 0.52481261f, 0.54149077f,
- 0.55807973f, 0.57455701f, 0.59090049f, 0.60708841f, 0.62309951f,
- 0.63891306f, 0.65450896f, 0.66986776f, 0.68497077f, 0.69980010f,
- 0.71433873f, 0.72857055f, 0.74248043f, 0.75605424f, 0.76927895f,
- 0.78214257f, 0.79463430f, 0.80674445f, 0.81846456f, 0.82978733f,
- 0.84070669f, 0.85121779f, 0.86131698f, 0.87100183f, 0.88027111f,
- 0.88912479f, 0.89756398f, 0.90559094f, 0.91320904f, 0.92042270f,
- 0.92723738f, 0.93365955f, 0.93969656f, 0.94535671f, 0.95064907f,
- 0.95558353f, 0.96017067f, 0.96442171f, 0.96834849f, 0.97196334f,
- 0.97527906f, 0.97830883f, 0.98106616f, 0.98356480f, 0.98581869f,
- 0.98784191f, 0.98964856f, 0.99125274f, 0.99266849f, 0.99390969f,
- 0.99499004f, 0.99592297f, 0.99672162f, 0.99739874f, 0.99796667f,
- 0.99843728f, 0.99882195f, 0.99913147f, 0.99937606f, 0.99956527f,
- 0.99970802f, 0.99981248f, 0.99988613f, 0.99993565f, 0.99996697f,
- 0.99998518f, 0.99999457f, 0.99999859f, 0.99999982f, 1.0000000f,
-};
-
-/* square of the window, used for the postfilter */
-const float ff_celt_window2[120] = {
- 4.5275357e-09f, 3.66647e-07f, 2.82777e-06f, 1.08557e-05f, 2.96371e-05f, 6.60594e-05f,
- 0.000128686f, 0.000227727f, 0.000374999f, 0.000583881f, 0.000869266f, 0.0012475f,
- 0.0017363f, 0.00235471f, 0.00312299f, 0.00406253f, 0.00519576f, 0.00654601f,
- 0.00813743f, 0.00999482f, 0.0121435f, 0.0146093f, 0.017418f, 0.0205957f, 0.0241684f,
- 0.0281615f, 0.0326003f, 0.0375092f, 0.0429118f, 0.0488308f, 0.0552873f, 0.0623012f,
- 0.0698908f, 0.0780723f, 0.0868601f, 0.0962664f, 0.106301f, 0.11697f, 0.12828f,
- 0.140231f, 0.152822f, 0.166049f, 0.179905f, 0.194379f, 0.209457f, 0.225123f, 0.241356f,
- 0.258133f, 0.275428f, 0.293212f, 0.311453f, 0.330116f, 0.349163f, 0.368556f, 0.388253f,
- 0.40821f, 0.428382f, 0.448723f, 0.469185f, 0.48972f, 0.51028f, 0.530815f, 0.551277f,
- 0.571618f, 0.59179f, 0.611747f, 0.631444f, 0.650837f, 0.669884f, 0.688547f, 0.706788f,
- 0.724572f, 0.741867f, 0.758644f, 0.774877f, 0.790543f, 0.805621f, 0.820095f, 0.833951f,
- 0.847178f, 0.859769f, 0.87172f, 0.88303f, 0.893699f, 0.903734f, 0.91314f, 0.921928f,
- 0.930109f, 0.937699f, 0.944713f, 0.951169f, 0.957088f, 0.962491f, 0.9674f, 0.971838f,
- 0.975832f, 0.979404f, 0.982582f, 0.985391f, 0.987857f, 0.990005f, 0.991863f, 0.993454f,
- 0.994804f, 0.995937f, 0.996877f, 0.997645f, 0.998264f, 0.998753f, 0.999131f, 0.999416f,
- 0.999625f, 0.999772f, 0.999871f, 0.999934f, 0.99997f, 0.999989f, 0.999997f, 0.99999964f, 1.0f,
-};
-
-static const uint32_t * const celt_pvq_u_row[15] = {
- celt_pvq_u + 0, celt_pvq_u + 176, celt_pvq_u + 351,
- celt_pvq_u + 525, celt_pvq_u + 698, celt_pvq_u + 870,
- celt_pvq_u + 1041, celt_pvq_u + 1131, celt_pvq_u + 1178,
- celt_pvq_u + 1207, celt_pvq_u + 1226, celt_pvq_u + 1240,
- celt_pvq_u + 1248, celt_pvq_u + 1254, celt_pvq_u + 1257
+ DECLARE_ALIGNED(32, float, scratch)[22 * 8]; // MAX(ff_celt_freq_range) * 1<<CELT_MAX_LOG_BLOCKS
};
static inline int16_t celt_cos(int16_t x)
/* use the 2D z-transform to apply prediction in both */
/* the time domain (alpha) and the frequency domain (beta) */
- if (opus_rc_tell(rc)+3 <= s->framebits && opus_rc_p2model(rc, 3)) {
+ if (opus_rc_tell(rc)+3 <= s->framebits && ff_opus_rc_dec_log(rc, 3)) {
/* intra frame */
alpha = 0;
beta = 1.0f - 4915.0f/32768.0f;
- model = celt_coarse_energy_dist[s->duration][1];
+ model = ff_celt_coarse_energy_dist[s->duration][1];
} else {
- alpha = celt_alpha_coef[s->duration];
- beta = 1.0f - celt_beta_coef[s->duration];
- model = celt_coarse_energy_dist[s->duration][0];
+ alpha = ff_celt_alpha_coef[s->duration];
+ beta = 1.0f - ff_celt_beta_coef[s->duration];
+ model = ff_celt_coarse_energy_dist[s->duration][0];
}
for (i = 0; i < CELT_MAX_BANDS; i++) {
if (available >= 15) {
/* decode using a Laplace distribution */
int k = FFMIN(i, 20) << 1;
- value = opus_rc_laplace(rc, model[k] << 7, model[k+1] << 6);
+ value = ff_opus_rc_dec_laplace(rc, model[k] << 7, model[k+1] << 6);
} else if (available >= 2) {
- int x = opus_rc_getsymbol(rc, celt_model_energy_small);
+ int x = ff_opus_rc_dec_cdf(rc, ff_celt_model_energy_small);
value = (x>>1) ^ -(x&1);
} else if (available >= 1) {
- value = -(float)opus_rc_p2model(rc, 1);
+ value = -(float)ff_opus_rc_dec_log(rc, 1);
} else value = -1;
frame->energy[i] = FFMAX(-9.0f, frame->energy[i]) * alpha + prev[j] + value;
CeltFrame *frame = &s->frame[j];
int q2;
float offset;
- q2 = opus_getrawbits(rc, s->fine_bits[i]);
+ q2 = ff_opus_rc_get_raw(rc, s->fine_bits[i]);
offset = (q2 + 0.5f) * (1 << (14 - s->fine_bits[i])) / 16384.0f - 0.5f;
frame->energy[i] += offset;
}
for (j = 0; j < s->coded_channels; j++) {
int q2;
float offset;
- q2 = opus_getrawbits(rc, 1);
+ q2 = ff_opus_rc_get_raw(rc, 1);
offset = (q2 - 0.5f) * (1 << (14 - s->fine_bits[i] - 1)) / 16384.0f;
s->frame[j].energy[i] += offset;
bits_left--;
for (i = s->startband; i < s->endband; i++) {
if (consumed+bits+tf_select_bit <= s->framebits) {
- diff ^= opus_rc_p2model(rc, bits);
+ diff ^= ff_opus_rc_dec_log(rc, bits);
consumed = opus_rc_tell(rc);
tf_changed |= diff;
}
bits = transient ? 4 : 5;
}
- if (tf_select_bit && celt_tf_select[s->duration][transient][0][tf_changed] !=
- celt_tf_select[s->duration][transient][1][tf_changed])
- tf_select = opus_rc_p2model(rc, 1);
+ if (tf_select_bit && ff_celt_tf_select[s->duration][transient][0][tf_changed] !=
+ ff_celt_tf_select[s->duration][transient][1][tf_changed])
+ tf_select = ff_opus_rc_dec_log(rc, 1);
for (i = s->startband; i < s->endband; i++) {
- s->tf_change[i] = celt_tf_select[s->duration][transient][tf_select][s->tf_change[i]];
+ s->tf_change[i] = ff_celt_tf_select[s->duration][transient][tf_select][s->tf_change[i]];
}
}
/* obtain spread flag */
s->spread = CELT_SPREAD_NORMAL;
if (consumed + 4 <= s->framebits)
- s->spread = opus_rc_getsymbol(rc, celt_model_spread);
+ s->spread = ff_opus_rc_dec_cdf(rc, ff_celt_model_spread);
/* generate static allocation caps */
for (i = 0; i < CELT_MAX_BANDS; i++) {
- cap[i] = (celt_static_caps[s->duration][s->coded_channels - 1][i] + 64)
- * celt_freq_range[i] << (s->coded_channels - 1) << s->duration >> 2;
+ cap[i] = (ff_celt_static_caps[s->duration][s->coded_channels - 1][i] + 64)
+ * ff_celt_freq_range[i] << (s->coded_channels - 1) << s->duration >> 2;
}
/* obtain band boost */
boost[i] = 0;
- quanta = celt_freq_range[i] << (s->coded_channels - 1) << s->duration;
+ quanta = ff_celt_freq_range[i] << (s->coded_channels - 1) << s->duration;
quanta = FFMIN(quanta << 3, FFMAX(6 << 3, quanta));
band_dynalloc = dynalloc;
while (consumed + (band_dynalloc<<3) < totalbits && boost[i] < cap[i]) {
- int add = opus_rc_p2model(rc, band_dynalloc);
+ int add = ff_opus_rc_dec_log(rc, band_dynalloc);
consumed = opus_rc_tell_frac(rc);
if (!add)
break;
/* obtain allocation trim */
if (consumed + (6 << 3) <= totalbits)
- alloctrim = opus_rc_getsymbol(rc, celt_model_alloc_trim);
+ alloctrim = ff_opus_rc_dec_cdf(rc, ff_celt_model_alloc_trim);
/* anti-collapse bit reservation */
totalbits = (s->framebits << 3) - opus_rc_tell_frac(rc) - 1;
/* intensity/dual stereo bit reservation */
if (s->coded_channels == 2) {
- intensitystereo_bit = celt_log2_frac[s->endband - s->startband];
+ intensitystereo_bit = ff_celt_log2_frac[s->endband - s->startband];
if (intensitystereo_bit <= totalbits) {
totalbits -= intensitystereo_bit;
if (totalbits >= 1 << 3) {
for (i = s->startband; i < s->endband; i++) {
int trim = alloctrim - 5 - s->duration;
- int band = celt_freq_range[i] * (s->endband - i - 1);
+ int band = ff_celt_freq_range[i] * (s->endband - i - 1);
int duration = s->duration + 3;
int scale = duration + s->coded_channels - 1;
/* PVQ minimum allocation threshold, below this value the band is
* skipped */
- threshold[i] = FFMAX(3 * celt_freq_range[i] << duration >> 4,
+ threshold[i] = FFMAX(3 * ff_celt_freq_range[i] << duration >> 4,
s->coded_channels << 3);
trim_offset[i] = trim * (band << scale) >> 6;
- if (celt_freq_range[i] << s->duration == 1)
+ if (ff_celt_freq_range[i] << s->duration == 1)
trim_offset[i] -= s->coded_channels << 3;
}
done = total = 0;
for (i = s->endband - 1; i >= s->startband; i--) {
- bandbits = celt_freq_range[i] * celt_static_alloc[center][i]
+ bandbits = ff_celt_freq_range[i] * ff_celt_static_alloc[center][i]
<< (s->coded_channels - 1) << s->duration >> 2;
if (bandbits)
high = low--;
for (i = s->startband; i < s->endband; i++) {
- bits1[i] = celt_freq_range[i] * celt_static_alloc[low][i]
+ bits1[i] = ff_celt_freq_range[i] * ff_celt_static_alloc[low][i]
<< (s->coded_channels - 1) << s->duration >> 2;
bits2[i] = high >= CELT_VECTORS ? cap[i] :
- celt_freq_range[i] * celt_static_alloc[high][i]
+ ff_celt_freq_range[i] * ff_celt_static_alloc[high][i]
<< (s->coded_channels - 1) << s->duration >> 2;
if (bits1[i])
/* determine the number of bits available for coding "do not skip" markers */
remaining = totalbits - total;
- bandbits = remaining / (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);
- remaining -= bandbits * (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);
- allocation = s->pulses[j] + bandbits * celt_freq_range[j]
- + FFMAX(0, remaining - (celt_freq_bands[j] - celt_freq_bands[s->startband]));
+ bandbits = remaining / (ff_celt_freq_bands[j+1] - ff_celt_freq_bands[s->startband]);
+ remaining -= bandbits * (ff_celt_freq_bands[j+1] - ff_celt_freq_bands[s->startband]);
+ allocation = s->pulses[j] + bandbits * ff_celt_freq_range[j]
+ + FFMAX(0, remaining - (ff_celt_freq_bands[j] - ff_celt_freq_bands[s->startband]));
/* a "do not skip" marker is only coded if the allocation is
above the chosen threshold */
if (allocation >= FFMAX(threshold[j], (s->coded_channels + 1) <<3 )) {
- if (opus_rc_p2model(rc, 1))
+ if (ff_opus_rc_dec_log(rc, 1))
break;
total += 1 << 3;
total -= s->pulses[j];
if (intensitystereo_bit) {
total -= intensitystereo_bit;
- intensitystereo_bit = celt_log2_frac[j - s->startband];
+ intensitystereo_bit = ff_celt_log2_frac[j - s->startband];
total += intensitystereo_bit;
}
s->dualstereo = 0;
if (intensitystereo_bit)
s->intensitystereo = s->startband +
- opus_rc_unimodel(rc, s->codedbands + 1 - s->startband);
+ ff_opus_rc_dec_uint(rc, s->codedbands + 1 - s->startband);
if (s->intensitystereo <= s->startband)
totalbits += dualstereo_bit; /* no intensity stereo means no dual stereo */
else if (dualstereo_bit)
- s->dualstereo = opus_rc_p2model(rc, 1);
+ s->dualstereo = ff_opus_rc_dec_log(rc, 1);
/* supply the remaining bits in this frame to lower bands */
remaining = totalbits - total;
- bandbits = remaining / (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);
- remaining -= bandbits * (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);
+ bandbits = remaining / (ff_celt_freq_bands[s->codedbands] - ff_celt_freq_bands[s->startband]);
+ remaining -= bandbits * (ff_celt_freq_bands[s->codedbands] - ff_celt_freq_bands[s->startband]);
for (i = s->startband; i < s->codedbands; i++) {
- int bits = FFMIN(remaining, celt_freq_range[i]);
+ int bits = FFMIN(remaining, ff_celt_freq_range[i]);
- s->pulses[i] += bits + bandbits * celt_freq_range[i];
+ s->pulses[i] += bits + bandbits * ff_celt_freq_range[i];
remaining -= bits;
}
for (i = s->startband; i < s->codedbands; i++) {
- int N = celt_freq_range[i] << s->duration;
+ int N = ff_celt_freq_range[i] << s->duration;
int prev_extra = extrabits;
s->pulses[i] += extrabits;
/* intensity stereo makes use of an extra degree of freedom */
dof = N * s->coded_channels
+ (s->coded_channels == 2 && N > 2 && !s->dualstereo && i < s->intensitystereo);
- temp = dof * (celt_log_freq_range[i] + (s->duration<<3));
+ temp = dof * (ff_celt_log_freq_range[i] + (s->duration<<3));
offset = (temp >> 1) - dof * CELT_FINE_OFFSET;
if (N == 2) /* dof=2 is the only case that doesn't fit the model */
offset += dof<<1;
int N = N0*stride;
if (hadamard) {
- const uint8_t *ordery = celt_hadamard_ordery + stride - 2;
+ const uint8_t *ordery = ff_celt_hadamard_ordery + stride - 2;
for (i = 0; i < stride; i++)
for (j = 0; j < N0; j++)
tmp[j*stride+i] = X[ordery[i]*N0+j];
int N = N0*stride;
if (hadamard) {
- const uint8_t *ordery = celt_hadamard_ordery + stride - 2;
+ const uint8_t *ordery = ff_celt_hadamard_ordery + stride - 2;
for (i = 0; i < stride; i++)
for (j = 0; j < N0; j++)
tmp[ordery[i]*N0+j] = X[j*stride+i];
* always have enough bits left over to code at least one pulse in the
* side; otherwise it would collapse, since it doesn't get folded. */
qb = FFMIN3(b - pulse_cap - (4 << 3), (b + N2 * offset) / N2, 8 << 3);
- qn = (qb < (1 << 3 >> 1)) ? 1 : ((celt_qn_exp2[qb & 0x7] >> (14 - (qb >> 3))) + 1) >> 1 << 1;
+ qn = (qb < (1 << 3 >> 1)) ? 1 : ((ff_celt_qn_exp2[qb & 0x7] >> (14 - (qb >> 3))) + 1) >> 1 << 1;
return qn;
}
/*Lots of pulses case:*/
if (K >= N) {
- const uint32_t *row = celt_pvq_u_row[N];
+ const uint32_t *row = ff_celt_pvq_u_row[N];
/* Are the pulses in this dimension negative? */
p = row[K + 1];
if (q > i) {
K = N;
do {
- p = celt_pvq_u_row[--K][N];
+ p = ff_celt_pvq_u_row[--K][N];
} while (p > i);
} else
for (p = row[K]; p > i; p = row[K])
*y++ = val;
} else { /*Lots of dimensions case:*/
/*Are there any pulses in this dimension at all?*/
- p = celt_pvq_u_row[K ][N];
- q = celt_pvq_u_row[K + 1][N];
+ p = ff_celt_pvq_u_row[K ][N];
+ q = ff_celt_pvq_u_row[K + 1][N];
if (p <= i && i < q) {
i -= p;
/*Count how many pulses were placed in this dimension.*/
k0 = K;
- do p = celt_pvq_u_row[--K][N];
+ do p = ff_celt_pvq_u_row[--K][N];
while (p > i);
i -= p;
static inline float celt_decode_pulses(OpusRangeCoder *rc, int *y, unsigned int N, unsigned int K)
{
unsigned int idx;
-#define CELT_PVQ_U(n, k) (celt_pvq_u_row[FFMIN(n, k)][FFMAX(n, k)])
+#define CELT_PVQ_U(n, k) (ff_celt_pvq_u_row[FFMIN(n, k)][FFMAX(n, k)])
#define CELT_PVQ_V(n, k) (CELT_PVQ_U(n, k) + CELT_PVQ_U(n, (k) + 1))
- idx = opus_rc_unimodel(rc, CELT_PVQ_V(N, K));
+ idx = ff_opus_rc_dec_uint(rc, CELT_PVQ_V(N, K));
return celt_cwrsi(N, K, idx, y);
}
for (i = 0; i <= dualstereo; i++) {
int sign = 0;
if (s->remaining2 >= 1<<3) {
- sign = opus_getrawbits(rc, 1);
+ sign = ff_opus_rc_get_raw(rc, 1);
s->remaining2 -= 1 << 3;
b -= 1 << 3;
}
for (k = 0; k < recombine; k++) {
if (lowband)
celt_haar1(lowband, N >> k, 1 << k);
- fill = celt_bit_interleave[fill & 0xF] | celt_bit_interleave[fill >> 4] << 2;
+ fill = ff_celt_bit_interleave[fill & 0xF] | ff_celt_bit_interleave[fill >> 4] << 2;
}
blocks >>= recombine;
N_B <<= recombine;
}
/* If we need 1.5 more bit than we can produce, split the band in two. */
- cache = celt_cache_bits +
- celt_cache_index[(duration + 1) * CELT_MAX_BANDS + band];
+ cache = ff_celt_cache_bits +
+ ff_celt_cache_index[(duration + 1) * CELT_MAX_BANDS + band];
if (!dualstereo && duration >= 0 && b > cache[cache[0]] + 12 && N > 2) {
N >>= 1;
Y = X + N;
int tell;
/* Decide on the resolution to give to the split parameter theta */
- pulse_cap = celt_log_freq_range[band] + duration * 8;
+ pulse_cap = ff_celt_log_freq_range[band] + duration * 8;
offset = (pulse_cap >> 1) - (dualstereo && N == 2 ? CELT_QTHETA_OFFSET_TWOPHASE :
CELT_QTHETA_OFFSET);
qn = (dualstereo && band >= s->intensitystereo) ? 1 :
/* Entropy coding of the angle. We use a uniform pdf for the
time split, a step for stereo, and a triangular one for the rest. */
if (dualstereo && N > 2)
- itheta = opus_rc_stepmodel(rc, qn/2);
+ itheta = ff_opus_rc_dec_uint_step(rc, qn/2);
else if (dualstereo || B0 > 1)
- itheta = opus_rc_unimodel(rc, qn+1);
+ itheta = ff_opus_rc_dec_uint(rc, qn+1);
else
- itheta = opus_rc_trimodel(rc, qn);
+ itheta = ff_opus_rc_dec_uint_tri(rc, qn);
itheta = itheta * 16384 / qn;
/* NOTE: Renormalising X and Y *may* help fixed-point a bit at very high rate.
Let's do that at higher complexity */
} else if (dualstereo) {
- inv = (b > 2 << 3 && s->remaining2 > 2 << 3) ? opus_rc_p2model(rc, 2) : 0;
+ inv = (b > 2 << 3 && s->remaining2 > 2 << 3) ? ff_opus_rc_dec_log(rc, 2) : 0;
itheta = 0;
}
qalloc = opus_rc_tell_frac(rc) - tell;
x2 = c ? Y : X;
y2 = c ? X : Y;
if (sbits)
- sign = opus_getrawbits(rc, 1);
+ sign = ff_opus_rc_get_raw(rc, 1);
sign = 1 - 2 * sign;
/* We use orig_fill here because we want to fold the side, but if
itheta==16384, we'll have cleared the low bits of fill. */
}
for (k = 0; k < recombine; k++) {
- cm = celt_bit_deinterleave[cm];
+ cm = ff_celt_bit_deinterleave[cm];
celt_haar1(X, N0>>k, 1<<k);
}
blocks <<= recombine;
int i, j;
for (i = s->startband; i < s->endband; i++) {
- float *dst = data + (celt_freq_bands[i] << s->duration);
- float norm = exp2(frame->energy[i] + celt_mean_energy[i]);
+ float *dst = data + (ff_celt_freq_bands[i] << s->duration);
+ float norm = exp2(frame->energy[i] + ff_celt_mean_energy[i]);
- for (j = 0; j < celt_freq_range[i] << s->duration; j++)
+ for (j = 0; j < ff_celt_freq_range[i] << s->duration; j++)
dst[j] *= norm;
}
}
memset(s->frame[1].pf_gains_new, 0, sizeof(s->frame[1].pf_gains_new));
if (s->startband == 0 && consumed + 16 <= s->framebits) {
- int has_postfilter = opus_rc_p2model(rc, 1);
+ int has_postfilter = ff_opus_rc_dec_log(rc, 1);
if (has_postfilter) {
float gain;
int tapset, octave, period;
- octave = opus_rc_unimodel(rc, 6);
- period = (16 << octave) + opus_getrawbits(rc, 4 + octave) - 1;
- gain = 0.09375f * (opus_getrawbits(rc, 3) + 1);
+ octave = ff_opus_rc_dec_uint(rc, 6);
+ period = (16 << octave) + ff_opus_rc_get_raw(rc, 4 + octave) - 1;
+ gain = 0.09375f * (ff_opus_rc_get_raw(rc, 3) + 1);
tapset = (opus_rc_tell(rc) + 2 <= s->framebits) ?
- opus_rc_getsymbol(rc, celt_model_tapset) : 0;
+ ff_opus_rc_dec_cdf(rc, ff_celt_model_tapset) : 0;
for (i = 0; i < 2; i++) {
CeltFrame *frame = &s->frame[i];
int depth;
/* depth in 1/8 bits */
- depth = (1 + s->pulses[i]) / (celt_freq_range[i] << s->duration);
+ depth = (1 + s->pulses[i]) / (ff_celt_freq_range[i] << s->duration);
thresh = exp2f(-1.0 - 0.125f * depth);
- sqrt_1 = 1.0f / sqrtf(celt_freq_range[i] << s->duration);
+ sqrt_1 = 1.0f / sqrtf(ff_celt_freq_range[i] << s->duration);
- xptr = X + (celt_freq_bands[i] << s->duration);
+ xptr = X + (ff_celt_freq_bands[i] << s->duration);
prev[0] = frame->prev_energy[0][i];
prev[1] = frame->prev_energy[1][i];
/* Detect collapse */
if (!(frame->collapse_masks[i] & 1 << k)) {
/* Fill with noise */
- for (j = 0; j < celt_freq_range[i]; j++)
+ for (j = 0; j < ff_celt_freq_range[i]; j++)
xptr[(j << s->duration) + k] = (celt_rng(s) & 0x8000) ? r : -r;
renormalize = 1;
}
/* We just added some energy, so we need to renormalize */
if (renormalize)
- celt_renormalize_vector(xptr, celt_freq_range[i] << s->duration, 1.0f);
+ celt_renormalize_vector(xptr, ff_celt_freq_range[i] << s->duration, 1.0f);
}
}
memset(s->coeffs, 0, sizeof(s->coeffs));
for (i = s->startband; i < s->endband; i++) {
- int band_offset = celt_freq_bands[i] << s->duration;
- int band_size = celt_freq_range[i] << s->duration;
+ int band_offset = ff_celt_freq_bands[i] << s->duration;
+ int band_size = ff_celt_freq_range[i] << s->duration;
float *X = s->coeffs[0] + band_offset;
float *Y = (s->coded_channels == 2) ? s->coeffs[1] + band_offset : NULL;
} else
b = 0;
- if (celt_freq_bands[i] - celt_freq_range[i] >= celt_freq_bands[s->startband] &&
+ if (ff_celt_freq_bands[i] - ff_celt_freq_range[i] >= ff_celt_freq_bands[s->startband] &&
(update_lowband || lowband_offset == 0))
lowband_offset = i;
int foldstart, foldend;
/* This ensures we never repeat spectral content within one band */
- effective_lowband = FFMAX(celt_freq_bands[s->startband],
- celt_freq_bands[lowband_offset] - celt_freq_range[i]);
+ effective_lowband = FFMAX(ff_celt_freq_bands[s->startband],
+ ff_celt_freq_bands[lowband_offset] - ff_celt_freq_range[i]);
foldstart = lowband_offset;
- while (celt_freq_bands[--foldstart] > effective_lowband);
+ while (ff_celt_freq_bands[--foldstart] > effective_lowband);
foldend = lowband_offset - 1;
- while (celt_freq_bands[++foldend] < effective_lowband + celt_freq_range[i]);
+ while (ff_celt_freq_bands[++foldend] < effective_lowband + ff_celt_freq_range[i]);
cm[0] = cm[1] = 0;
for (j = foldstart; j < foldend; j++) {
if (s->dualstereo && i == s->intensitystereo) {
/* Switch off dual stereo to do intensity */
s->dualstereo = 0;
- for (j = celt_freq_bands[s->startband] << s->duration; j < band_offset; j++)
+ for (j = ff_celt_freq_bands[s->startband] << s->duration; j < band_offset; j++)
norm[j] = (norm[j] + norm2[j]) / 2;
}
if (consumed >= s->framebits)
silence = 1;
else if (consumed == 1)
- silence = opus_rc_p2model(rc, 15);
+ silence = ff_opus_rc_dec_log(rc, 15);
if (silence) {
/* obtain transient flag */
if (s->duration != 0 && consumed+3 <= s->framebits)
- transient = opus_rc_p2model(rc, 3);
+ transient = ff_opus_rc_dec_log(rc, 3);
s->blocks = transient ? 1 << s->duration : 1;
s->blocksize = frame_size / s->blocks;
celt_decode_bands (s, rc);
if (s->anticollapse_bit)
- anticollapse = opus_getrawbits(rc, 1);
+ anticollapse = ff_opus_rc_get_raw(rc, 1);
celt_decode_final_energy(s, rc, s->framebits - opus_rc_tell(rc));
imdct->imdct_half(imdct, dst + CELT_OVERLAP / 2, s->coeffs[i] + j,
s->blocks, imdct_scale);
s->dsp->vector_fmul_window(dst, dst, dst + CELT_OVERLAP / 2,
- celt_window, CELT_OVERLAP / 2);
+ ff_celt_window, CELT_OVERLAP / 2);
}
/* postfilter */
projects / ffmpeg / blobdiff