FFmpeg
Variables
hca_data.h File Reference
#include <stdint.h>

Go to the source code of this file.

Variables

static const uint8_t max_bits_table []
 
static const uint8_t quant_spectrum_bits []
 
static const int8_t quant_spectrum_value []
 
static const uint8_t scale_table []
 
static const float window [128]
 
static const float intensity_ratio_table []
 
static const float scale_conversion_table []
 
static const int scale_conv_bias = 64
 
static const float dequantizer_scaling_table []
 
static const float quant_step_size []
 
static const uint8_t ath_base_curve [656]
 

Variable Documentation

const uint8_t max_bits_table[]
static
Initial value:
= {
0, 2, 3, 3, 4, 4, 4, 4, 5, 6, 7, 8, 9, 10, 11, 12,
}

Definition at line 25 of file hca_data.h.

Referenced by dequantize_coefficients().

const uint8_t quant_spectrum_bits[]
static
Initial value:
=
{
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,1,2,2,0,0,0,0,0,0,0,0,0,0,0,0,
2,2,2,2,2,2,3,3,0,0,0,0,0,0,0,0,
2,2,3,3,3,3,3,3,0,0,0,0,0,0,0,0,
3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,
3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,
3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,
3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
}

Definition at line 29 of file hca_data.h.

Referenced by dequantize_coefficients().

const int8_t quant_spectrum_value[]
static
Initial value:
=
{
+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,
+0,+0,+1,-1,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,+0,
+0,+0,+1,+1,-1,-1,+2,-2,+0,+0,+0,+0,+0,+0,+0,+0,
+0,+0,+1,-1,+2,-2,+3,-3,+0,+0,+0,+0,+0,+0,+0,+0,
+0,+0,+1,+1,-1,-1,+2,+2,-2,-2,+3,+3,-3,-3,+4,-4,
+0,+0,+1,+1,-1,-1,+2,+2,-2,-2,+3,-3,+4,-4,+5,-5,
+0,+0,+1,+1,-1,-1,+2,-2,+3,-3,+4,-4,+5,-5,+6,-6,
+0,+0,+1,-1,+2,-2,+3,-3,+4,-4,+5,-5,+6,-6,+7,-7,
}

Definition at line 41 of file hca_data.h.

Referenced by dequantize_coefficients().

const uint8_t scale_table[]
static
Initial value:
=
{
15, 14, 14, 14, 14, 14, 14, 13, 13,
13, 13, 13, 13, 12, 12, 12, 12,
12, 12, 11, 11, 11, 11, 11, 11,
10, 10, 10, 10, 10, 10, 10, 9,
9, 9, 9, 9, 9, 8, 8, 8,
8, 8, 8, 7, 6, 6, 5, 4,
4, 4, 3, 3, 3, 2, 2, 2,
2, 1,
}

Definition at line 53 of file hca_data.h.

Referenced by parse_scale(), parse_xbr_subframe(), and unpack().

const float window[128]
static
Initial value:
=
{
0.000690534, 0.00197623, 0.00367386, 0.00572424, 0.0080967, 0.0107732, 0.0137425, 0.0169979,
0.0205353, 0.0243529, 0.0284505, 0.0328291, 0.0374906, 0.0424379, 0.0476744, 0.0532043,
0.0590321, 0.0651629, 0.071602, 0.0783552, 0.0854285, 0.092828, 0.10056, 0.108631,
0.117048, 0.125817, 0.134944, 0.144437, 0.1543, 0.164539, 0.175161, 0.186169,
0.197569, 0.209363, 0.221555, 0.234145, 0.247136, 0.260526, 0.274313, 0.288493,
0.303062, 0.318012, 0.333333, 0.349015, 0.365044, 0.381403, 0.398073, 0.415034,
0.43226, 0.449725, 0.4674, 0.485251, 0.503245, 0.521344, 0.539509, 0.557698,
0.575869, 0.593978, 0.611981, 0.629831, 0.647486, 0.6649, 0.682031, 0.698838,
0.71528, 0.731323, 0.746932, 0.762077, 0.776732, 0.790873, 0.804481, 0.817542,
0.830044, 0.84198, 0.853347, 0.864144, 0.874375, 0.884046, 0.893167, 0.901749,
0.909806, 0.917354, 0.924409, 0.93099, 0.937117, 0.942809, 0.948087, 0.952971,
0.957482, 0.961641, 0.965467, 0.968981, 0.972202, 0.975148, 0.977838, 0.980289,
0.982518, 0.98454, 0.986371, 0.988024, 0.989514, 0.990853, 0.992053, 0.993126,
0.994082, 0.994931, 0.995682, 0.996344, 0.996926, 0.997433, 0.997875, 0.998256,
0.998584, 0.998863, 0.999099, 0.999297, 0.999461, 0.999595, 0.999703, 0.999789,
0.999856, 0.999906, 0.999942, 0.999967, 0.999984, 0.999993, 0.999998, 1.0,
}

Definition at line 65 of file hca_data.h.

const float intensity_ratio_table[]
static
Initial value:
=
{
2.0, 1.85714, 1.71429, 1.57143, 1.42857, 1.28571, 1.14286, 1.0,
0.857143, 0.714286, 0.571429, 0.428571, 0.285714, 0.142857, 0.0, 0.0,
}

Definition at line 85 of file hca_data.h.

Referenced by apply_intensity_stereo().

const float scale_conversion_table[]
static
Initial value:
=
{
0, 0, 1.87066e-08, 2.49253e-08, 3.32113e-08, 4.42518e-08, 5.89626e-08, 7.85637e-08, 1.04681e-07,
1.3948e-07, 1.85848e-07, 2.4763e-07, 3.2995e-07, 4.39636e-07, 5.85785e-07, 7.80519e-07, 1.03999e-06,
1.38572e-06, 1.84637e-06, 2.46017e-06, 3.27801e-06, 4.36772e-06, 5.8197e-06, 7.75435e-06, 1.03321e-05,
1.37669e-05, 1.83435e-05, 2.44414e-05, 3.25665e-05, 4.33927e-05, 5.78179e-05, 7.70384e-05, 0.000102648,
0.000136772, 0.00018224, 0.000242822, 0.000323544, 0.000431101, 0.000574413, 0.000765366, 0.0010198,
0.00135881, 0.00181053, 0.0024124, 0.00321437, 0.00428293, 0.00570671, 0.00760381, 0.0101316,
0.0134996, 0.0179873, 0.0239669, 0.0319343, 0.0425503, 0.0566954, 0.0755428, 0.100656,
0.134117, 0.178702, 0.238108, 0.317263, 0.422731, 0.563261, 0.750507,
1.0, 1.33243, 1.77538, 2.36557, 3.15196, 4.19978, 5.59592, 7.45618,
9.93486, 13.2375, 17.6381, 23.5016, 31.3143, 41.7242, 55.5947, 74.0762,
98.7015, 131.513, 175.232, 233.485, 311.103, 414.524, 552.326, 735.937,
980.586, 1306.56, 1740.91, 2319.64, 3090.77, 4118.24, 5487.28, 7311.43,
9741.98, 12980.5, 17295.7, 23045.3, 30706.4, 40914.2, 54515.4, 72638,
96785.3, 128960, 171830, 228952, 305064, 406477, 541603, 721649,
961548, 1.2812e+06, 1.70711e+06, 2.27461e+06, 3.03076e+06, 4.03829e+06, 5.38075e+06, 7.16948e+06,
9.55285e+06, 1.27285e+07, 1.69599e+07, 2.25979e+07, 3.01102e+07, 4.01198e+07, 5.3457e+07, 0,
}

Definition at line 91 of file hca_data.h.

Referenced by reconstruct_hfr().

const int scale_conv_bias = 64
static

Definition at line 111 of file hca_data.h.

Referenced by reconstruct_hfr().

const float dequantizer_scaling_table[]
static
Initial value:
=
{
1.58838e-07, 2.11641e-07, 2.81998e-07, 3.75743e-07, 5.00652e-07, 6.67085e-07, 8.88846e-07, 1.18433e-06,
1.57804e-06, 2.10263e-06, 2.80161e-06, 3.73296e-06, 4.97391e-06, 6.6274e-06, 8.83057e-06, 1.17661e-05,
1.56776e-05, 2.08893e-05, 2.78336e-05, 3.70864e-05, 4.94151e-05, 6.58423e-05, 8.77305e-05, 0.000116895,
0.000155755, 0.000207533, 0.000276523, 0.000368448, 0.000490933, 0.000654135, 0.00087159, 0.00116134,
0.0015474, 0.00206181, 0.00274722, 0.00366048, 0.00487735, 0.00649874, 0.00865913, 0.0115377,
0.0153732, 0.0204838, 0.0272932, 0.0363664, 0.0484558, 0.0645641, 0.0860272, 0.114626,
0.152731, 0.203503, 0.271155, 0.361295, 0.481401, 0.641435, 0.854669, 1.13879,
1.51736, 2.02178, 2.69388, 3.58942, 4.78266, 6.37257, 8.49102, 11.3137,
}

Definition at line 113 of file hca_data.h.

Referenced by unpack().

const float quant_step_size[]
static
Initial value:
=
{
0.0, 0.666667, 0.4, 0.285714, 0.222222, 0.181818, 0.153846, 0.133333, 0.0645161,
0.031746, 0.015748, 0.00784314, 0.00391389, 0.00195503, 0.00097704, 0.000488401,
}

Definition at line 125 of file hca_data.h.

Referenced by unpack().

const uint8_t ath_base_curve[656]
static

Definition at line 131 of file hca_data.h.

Referenced by ath_init1().