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Macros | Variables
dcadata.c File Reference
#include <stdint.h>
#include "libavutil/channel_layout.h"
#include "libavutil/mem.h"
#include "dca.h"
#include "dcadata.h"

Go to the source code of this file.

Macros

#define SCALE(c)   ((c) / (256.0f * 32768.0f))
 
#define SCALE(c)   ((float)(c) / (256.0f * 32768.0f * 8388608.0f))
 

Variables

const uint32_t ff_dca_bit_rates [32]
 
const uint8_t ff_dca_channels [16]
 
const uint8_t ff_dca_bits_per_sample [7]
 
const int16_t ff_dca_adpcm_vb [4096][4]
 
const uint32_t ff_dca_scale_factor_quant6 [64]
 
const uint32_t ff_dca_scale_factor_quant7 [128]
 
const uint32_t ff_dca_lossy_quant [32]
 
const float ff_dca_lossy_quant_d [32]
 
const uint32_t ff_dca_lossless_quant [32]
 
const float ff_dca_lossless_quant_d [32]
 
const int8_t ff_dca_high_freq_vq [1024][32]
 
const float ff_dca_fir_32bands_perfect [512]
 
const float ff_dca_fir_32bands_nonperfect [512]
 
const float ff_dca_lfe_fir_64 [256]
 
const float ff_dca_lfe_fir_128 [256]
 
const float ff_dca_lfe_xll_fir_64 [256]
 
const float ff_dca_fir_64bands [1024]
 
const uint16_t ff_dca_dmixtable [FF_DCA_DMIXTABLE_SIZE]
 
const uint32_t ff_dca_inv_dmixtable [FF_DCA_INV_DMIXTABLE_SIZE]
 
const float ff_dca_default_coeffs [10][6][2]
 
const int32_t ff_dca_sampling_freqs [16]
 
const uint32_t ff_dca_map_xxch_to_native [28]
 
const int ff_dca_ext_audio_descr_mask [8]
 
const uint64_t ff_dca_core_channel_layout [16]
 
const int8_t ff_dca_lfe_index [16]
 
const int8_t ff_dca_channel_reorder_lfe [16][9]
 
const int8_t ff_dca_channel_reorder_lfe_xch [16][9]
 
const int8_t ff_dca_channel_reorder_nolfe [16][9]
 
const int8_t ff_dca_channel_reorder_nolfe_xch [16][9]
 
const uint16_t ff_dca_vlc_offs [63]
 

Macro Definition Documentation

#define SCALE (   c)    ((c) / (256.0f * 32768.0f))

Definition at line 7528 of file dcadata.c.

Referenced by avfilter_register_all().

#define SCALE (   c)    ((float)(c) / (256.0f * 32768.0f * 8388608.0f))

Definition at line 7528 of file dcadata.c.

Variable Documentation

const uint32_t ff_dca_bit_rates[32]
Initial value:
= {
32000, 56000, 64000, 96000, 112000, 128000,
192000, 224000, 256000, 320000, 384000,
448000, 512000, 576000, 640000, 768000,
896000, 1024000, 1152000, 1280000, 1344000,
1408000, 1411200, 1472000, 1536000, 1920000,
2048000, 3072000, 3840000, 1 , 2 , 3
}

Definition at line 33 of file dcadata.c.

Referenced by dca_parse_frame_header(), and encode_init().

const uint8_t ff_dca_channels[16]
Initial value:
= {
1, 2, 2, 2, 2, 3, 3, 4, 4, 5, 6, 6, 6, 7, 8, 8
}

Definition at line 42 of file dcadata.c.

Referenced by dca_downmix(), and dca_subframe_footer().

const uint8_t ff_dca_bits_per_sample[7]
Initial value:
= {
16, 16, 20, 20, 0, 24, 24
}

Definition at line 46 of file dcadata.c.

const int16_t ff_dca_adpcm_vb[4096][4]

Definition at line 53 of file dcadata.c.

Referenced by dca_subsubframe().

const uint32_t ff_dca_scale_factor_quant6[64]
Initial value:
= {
1, 2, 2, 3, 3, 4, 6, 7,
10, 12, 16, 20, 26, 34, 44, 56,
72, 93, 120, 155, 200, 257, 331, 427,
550, 708, 912, 1175, 1514, 1950, 2512, 3236,
4169, 5370, 6918, 8913, 11482, 14791, 19055, 24547,
31623, 40738, 52481, 67608, 87096, 112202, 144544, 186209,
239883, 309030, 398107, 512861, 660693, 851138, 1096478, 1412538,
1819701, 2344229, 3019952, 3890451, 5011872, 6456542, 8317638, 0
}

Definition at line 4154 of file dcadata.c.

Referenced by dca_subframe_header(), and ff_dca_xbr_parse_frame().

const uint32_t ff_dca_scale_factor_quant7[128]
Initial value:
= {
1, 1, 2, 2, 2, 2, 3, 3,
3, 4, 4, 5, 6, 7, 7, 8,
10, 11, 12, 14, 16, 18, 20, 23,
26, 30, 34, 38, 44, 50, 56, 64,
72, 82, 93, 106, 120, 136, 155, 176,
200, 226, 257, 292, 331, 376, 427, 484,
550, 624, 708, 804, 912, 1035, 1175, 1334,
1514, 1718, 1950, 2213, 2512, 2851, 3236, 3673,
4169, 4732, 5370, 6095, 6918, 7852, 8913, 10116,
11482, 13032, 14791, 16788, 19055, 21627, 24547, 27861,
31623, 35892, 40738, 46238, 52481, 59566, 67608, 76736,
87096, 98855, 112202, 127350, 144544, 164059, 186209, 211349,
239883, 272270, 309030, 350752, 398107, 451856, 512861, 582103,
660693, 749894, 851138, 966051, 1096478, 1244515, 1412538, 1603245,
1819701, 2065380, 2344229, 2660725, 3019952, 3427678, 3890451, 4415704,
5011872, 5688529, 6456542, 7328245, 8317638, 0, 0, 0
}

Definition at line 4165 of file dcadata.c.

Referenced by dca_subframe_header(), and ff_dca_xbr_parse_frame().

const uint32_t ff_dca_lossy_quant[32]
Initial value:
= {
0, 6710886, 4194304, 3355443, 2474639, 2097152, 1761608, 1426063,
796918, 461373, 251658, 146801, 79692, 46137, 27263, 16777,
10486, 5872, 3355, 1887, 1258, 713, 336, 168,
84, 42, 21, 0, 0, 0, 0, 0
}

Definition at line 4185 of file dcadata.c.

const float ff_dca_lossy_quant_d[32]
Initial value:
= {
0, 1.6, 1.0, 0.8, 0.59, 0.50, 0.42, 0.34,
0.19, 0.11, 0.06, 0.035, 0.019, 0.011, 0.0065, 0.0040,
0.0025, 0.0014, 0.0008, 0.00045, 0.00030, 0.00017, 0.00008, 0.00004,
0.00002, 0.00001, 0.000005, 0, 0, 0, 0, 0
}

Definition at line 4192 of file dcadata.c.

Referenced by dca_subsubframe().

const uint32_t ff_dca_lossless_quant[32]
Initial value:
= {
0, 4194304, 2097152, 1384120, 1048576, 696254, 524288, 348127,
262144, 131072, 65431, 33026, 16450, 8208, 4100, 2049,
1024, 512, 256, 128, 64, 32, 16, 8,
4, 2, 1, 0, 0, 0, 0, 0
}

Definition at line 4200 of file dcadata.c.

const float ff_dca_lossless_quant_d[32]
Initial value:
= {
0, 1.0, 0.5, 0.33, 0.25, 0.166, 0.125,
0.083, 0.0625, 0.03125, 0.0156, 7.874E-3, 3.922E-3, 1.957E-3,
9.775E-4, 4.885E-4, 2.442E-4, 1.221E-4, 6.104E-5, 3.052E-5, 1.526E-5,
7.629E-6, 3.815E-6, 1.907E-6, 9.537E-7, 4.768E-7, 2.384E-7, 0,
0, 0, 0, 0
}

Definition at line 4207 of file dcadata.c.

Referenced by dca_subsubframe(), and ff_dca_xbr_parse_frame().

const int8_t ff_dca_high_freq_vq[1024][32]

Definition at line 4217 of file dcadata.c.

Referenced by dca_subsubframe().

const float ff_dca_fir_32bands_perfect[512]

Definition at line 6270 of file dcadata.c.

Referenced by encode_init(), and qmf_32_subbands().

const float ff_dca_fir_32bands_nonperfect[512]

Definition at line 6785 of file dcadata.c.

Referenced by encode_init(), and qmf_32_subbands().

const float ff_dca_lfe_fir_64[256]

Definition at line 7316 of file dcadata.c.

Referenced by encode_init(), and lfe_interpolation_fir().

const float ff_dca_lfe_fir_128[256]

Definition at line 7459 of file dcadata.c.

Referenced by lfe_interpolation_fir().

const float ff_dca_lfe_xll_fir_64[256]

Definition at line 7529 of file dcadata.c.

Referenced by lfe_interpolation_fir().

const float ff_dca_fir_64bands[1024]

Definition at line 7597 of file dcadata.c.

Referenced by qmf_64_subbands().

const uint16_t ff_dca_dmixtable[FF_DCA_DMIXTABLE_SIZE]

Definition at line 8133 of file dcadata.c.

Referenced by dca_dmix_code(), and get_dmix_coeff().

const uint32_t ff_dca_inv_dmixtable[FF_DCA_INV_DMIXTABLE_SIZE]
Initial value:
= {
6553600, 6186997, 5840902, 5514167, 5205710, 4914507, 4639593, 4380059,
4135042, 3903731, 3685360, 3479204, 3284581, 3100844, 2927386, 2763630,
2609035, 2463088, 2325305, 2195230, 2072430, 2013631, 1956500, 1900990,
1847055, 1794651, 1743733, 1694260, 1646190, 1599484, 1554103, 1510010,
1467168, 1425542, 1385096, 1345798, 1307615, 1270515, 1234468, 1199444,
1165413, 1132348, 1100221, 1069005, 1038676, 1009206, 980573, 952752,
925721, 899456, 873937, 849141, 825049, 801641, 778897, 756798,
735326, 714463, 694193, 674497, 655360, 636766, 618700, 601146,
584090, 567518, 551417, 535772, 520571, 505801, 491451, 477507,
463959, 450796, 438006, 425579, 413504, 401772, 390373, 379297,
368536, 363270, 358080, 352964, 347920, 342949, 338049, 333219,
328458, 323765, 319139, 314579, 310084, 305654, 301287, 296982,
292739, 288556, 284433, 280369, 276363, 272414, 268522, 264685,
260904, 257176, 253501, 249879, 246309, 242790, 239321, 235901,
232531, 229208, 225933, 222705, 219523, 216386, 213295, 210247,
207243, 204282, 201363, 198486, 195650, 192855, 190099, 187383,
184706, 182066, 179465, 176901, 174373, 171882, 169426, 167005,
164619, 162267, 159948, 157663, 155410, 153190, 151001, 148844,
146717, 144621, 142554, 140517, 138510, 136531, 134580, 132657,
130762, 128893, 127052, 125236, 123447, 121683, 119944, 118231,
116541, 114876, 113235, 111617, 110022, 108450, 106901, 105373,
103868, 102383, 100921, 99479, 98057, 96656, 95275, 93914,
92682, 91249, 89946, 88660, 87394, 86145, 84914, 83701,
82505, 81326, 80164, 79019, 77890, 76777, 75680, 74598,
73533, 72482, 71446, 70425, 69419, 68427, 67450, 66486,
65536,
}

Definition at line 8167 of file dcadata.c.

Referenced by get_dmix_coeff().

const float ff_dca_default_coeffs[10][6][2]
Initial value:
= {
{ { 0.707107, 0.707107 }, { 0.000000, 0.000000 }, },
{ { 1.000000, 0.000000 }, { 0.000000, 1.000000 }, { 0.000000, 0.000000 }, },
{ { 1.000000, 0.000000 }, { 0.000000, 1.000000 }, { 0.000000, 0.000000 }, },
{ { 1.000000, 0.000000 }, { 0.000000, 1.000000 }, { 0.000000, 0.000000 }, },
{ { 1.000000, 0.000000 }, { 0.000000, 1.000000 }, { 0.000000, 0.000000 }, },
{ { 0.501187, 0.501187 }, { 0.707107, 0.000000 }, { 0.000000, 0.707107 }, { 0.000000, 0.000000 }, },
{ { 0.707107, 0.000000 }, { 0.000000, 0.707107 }, { 0.501187, 0.501187 }, { 0.000000, 0.000000 }, },
{ { 0.501187, 0.501187 }, { 0.707107, 0.000000 }, { 0.000000, 0.707107 }, { 0.501187, 0.501187 }, { 0.000000, 0.000000 }, },
{ { 0.707107, 0.000000 }, { 0.000000, 0.707107 }, { 0.501187, 0.000000 }, { 0.000000, 0.501187 }, { 0.000000, 0.000000 }, },
{ { 0.501187, 0.501187 }, { 0.707107, 0.000000 }, { 0.000000, 0.707107 }, { 0.501187, 0.000000 }, { 0.000000, 0.501187 }, { 0.000000, 0.000000 }, },
}

Definition at line 8196 of file dcadata.c.

Referenced by dca_decode_frame().

const int32_t ff_dca_sampling_freqs[16]
Initial value:
= {
8000, 16000, 32000, 64000, 128000, 22050, 44100, 88200,
176400, 352800, 12000, 24000, 48000, 96000, 192000, 384000,
}

Definition at line 8209 of file dcadata.c.

Referenced by ff_dca_xll_decode_header().

const uint32_t ff_dca_map_xxch_to_native[28]
Initial value:
= {
AV_CH_FRONT_CENTER,
AV_CH_FRONT_LEFT,
AV_CH_FRONT_RIGHT,
AV_CH_SIDE_LEFT,
AV_CH_SIDE_RIGHT,
AV_CH_LOW_FREQUENCY,
AV_CH_BACK_CENTER,
AV_CH_BACK_LEFT,
AV_CH_BACK_RIGHT,
AV_CH_SIDE_LEFT,
AV_CH_SIDE_RIGHT,
AV_CH_FRONT_LEFT_OF_CENTER,
AV_CH_FRONT_RIGHT_OF_CENTER,
AV_CH_TOP_FRONT_LEFT,
AV_CH_TOP_FRONT_CENTER,
AV_CH_TOP_FRONT_RIGHT,
AV_CH_LOW_FREQUENCY,
AV_CH_FRONT_LEFT_OF_CENTER,
AV_CH_FRONT_RIGHT_OF_CENTER,
AV_CH_TOP_CENTER,
AV_CH_TOP_FRONT_LEFT,
AV_CH_TOP_FRONT_RIGHT,
AV_CH_TOP_BACK_CENTER,
AV_CH_TOP_BACK_LEFT,
AV_CH_TOP_BACK_RIGHT,
AV_CH_BACK_CENTER,
AV_CH_BACK_LEFT,
AV_CH_BACK_RIGHT
}
AV_CH_TOP_FRONT_RIGHT
#define AV_CH_TOP_FRONT_RIGHT
Definition: channel_layout.h:63
AV_CH_TOP_FRONT_LEFT
#define AV_CH_TOP_FRONT_LEFT
Definition: channel_layout.h:61
AV_CH_TOP_FRONT_CENTER
#define AV_CH_TOP_FRONT_CENTER
Definition: channel_layout.h:62
AV_CH_TOP_BACK_LEFT
#define AV_CH_TOP_BACK_LEFT
Definition: channel_layout.h:64
AV_CH_TOP_BACK_CENTER
#define AV_CH_TOP_BACK_CENTER
Definition: channel_layout.h:65
AV_CH_LOW_FREQUENCY
#define AV_CH_LOW_FREQUENCY
Definition: channel_layout.h:52
AV_CH_BACK_LEFT
#define AV_CH_BACK_LEFT
Definition: channel_layout.h:53
AV_CH_TOP_CENTER
#define AV_CH_TOP_CENTER
Definition: channel_layout.h:60
AV_CH_FRONT_LEFT_OF_CENTER
#define AV_CH_FRONT_LEFT_OF_CENTER
Definition: channel_layout.h:55
AV_CH_FRONT_CENTER
#define AV_CH_FRONT_CENTER
Definition: channel_layout.h:51
AV_CH_FRONT_RIGHT_OF_CENTER
#define AV_CH_FRONT_RIGHT_OF_CENTER
Definition: channel_layout.h:56
AV_CH_FRONT_LEFT
#define AV_CH_FRONT_LEFT
Definition: channel_layout.h:49
AV_CH_TOP_BACK_RIGHT
#define AV_CH_TOP_BACK_RIGHT
Definition: channel_layout.h:66
AV_CH_BACK_CENTER
#define AV_CH_BACK_CENTER
Definition: channel_layout.h:57
AV_CH_SIDE_RIGHT
#define AV_CH_SIDE_RIGHT
Definition: channel_layout.h:59
AV_CH_FRONT_RIGHT
#define AV_CH_FRONT_RIGHT
Definition: channel_layout.h:50
AV_CH_SIDE_LEFT
#define AV_CH_SIDE_LEFT
Definition: channel_layout.h:58
AV_CH_BACK_RIGHT
#define AV_CH_BACK_RIGHT
Definition: channel_layout.h:54

Definition at line 8321 of file dcadata.c.

Referenced by dca_decode_frame().

const int ff_dca_ext_audio_descr_mask[8]
Initial value:
= {
DCA_EXT_XCH,
-1,
DCA_EXT_X96,
DCA_EXT_XCH | DCA_EXT_X96,
-1,
-1,
DCA_EXT_XXCH,
-1,
}
DCA_EXT_X96
96/24 extension in core substream
Definition: dca.h:70
DCA_EXT_XCH
XCh channel extension in core substream.
Definition: dca.h:71
DCA_EXT_XXCH
XXCh channels extension in core substream.
Definition: dca.h:69

Definition at line 8353 of file dcadata.c.

Referenced by dca_decode_frame().

const uint64_t ff_dca_core_channel_layout[16]

Definition at line 8373 of file dcadata.c.

Referenced by dca_decode_frame().

const int8_t ff_dca_lfe_index[16]
Initial value:
= {
1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 1, 3, 2, 3
}

Definition at line 8410 of file dcadata.c.

Referenced by dca_decode_frame(), and dca_downmix().

const int8_t ff_dca_channel_reorder_lfe[16][9]
Initial value:
= {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 3, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, -1, -1, -1, -1, -1 },
{ 0, 1, 3, 4, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, 5, -1, -1, -1, -1 },
{ 3, 4, 0, 1, 5, 6, -1, -1, -1 },
{ 2, 0, 1, 4, 5, 6, -1, -1, -1 },
{ 0, 6, 4, 5, 2, 3, -1, -1, -1 },
{ 4, 2, 5, 0, 1, 6, 7, -1, -1 },
{ 5, 6, 0, 1, 7, 3, 8, 4, -1 },
{ 4, 2, 5, 0, 1, 6, 8, 7, -1 },
}

Definition at line 8414 of file dcadata.c.

Referenced by dca_decode_frame().

const int8_t ff_dca_channel_reorder_lfe_xch[16][9]
Initial value:
= {
{ 0, 2, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 3, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 3, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 3, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 3, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, -1, -1, -1, -1, -1 },
{ 0, 1, 3, 4, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, 5, -1, -1, -1, -1 },
{ 0, 1, 4, 5, 3, -1, -1, -1, -1 },
{ 2, 0, 1, 5, 6, 4, -1, -1, -1 },
{ 3, 4, 0, 1, 6, 7, 5, -1, -1 },
{ 2, 0, 1, 4, 5, 6, 7, -1, -1 },
{ 0, 6, 4, 5, 2, 3, 7, -1, -1 },
{ 4, 2, 5, 0, 1, 7, 8, 6, -1 },
{ 5, 6, 0, 1, 8, 3, 9, 4, 7 },
{ 4, 2, 5, 0, 1, 6, 9, 8, 7 },
}

Definition at line 8433 of file dcadata.c.

Referenced by dca_decode_frame().

const int8_t ff_dca_channel_reorder_nolfe[16][9]
Initial value:
= {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 2, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, -1, -1, -1, -1, -1 },
{ 0, 1, 2, 3, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, 4, -1, -1, -1, -1 },
{ 2, 3, 0, 1, 4, 5, -1, -1, -1 },
{ 2, 0, 1, 3, 4, 5, -1, -1, -1 },
{ 0, 5, 3, 4, 1, 2, -1, -1, -1 },
{ 3, 2, 4, 0, 1, 5, 6, -1, -1 },
{ 4, 5, 0, 1, 6, 2, 7, 3, -1 },
{ 3, 2, 4, 0, 1, 5, 7, 6, -1 },
}

Definition at line 8452 of file dcadata.c.

Referenced by dca_decode_frame().

const int8_t ff_dca_channel_reorder_nolfe_xch[16][9]
Initial value:
= {
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 2, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 2, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 2, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 2, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, -1, -1, -1, -1, -1 },
{ 0, 1, 2, 3, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, 4, -1, -1, -1, -1 },
{ 0, 1, 3, 4, 2, -1, -1, -1, -1 },
{ 2, 0, 1, 4, 5, 3, -1, -1, -1 },
{ 2, 3, 0, 1, 5, 6, 4, -1, -1 },
{ 2, 0, 1, 3, 4, 5, 6, -1, -1 },
{ 0, 5, 3, 4, 1, 2, 6, -1, -1 },
{ 3, 2, 4, 0, 1, 6, 7, 5, -1 },
{ 4, 5, 0, 1, 7, 2, 8, 3, 6 },
{ 3, 2, 4, 0, 1, 5, 8, 7, 6 },
}

Definition at line 8471 of file dcadata.c.

Referenced by dca_decode_frame().

const uint16_t ff_dca_vlc_offs[63]
Initial value:
= {
0, 512, 640, 768, 1282, 1794, 2436, 3080, 3770, 4454, 5364,
5372, 5380, 5388, 5392, 5396, 5412, 5420, 5428, 5460, 5492, 5508,
5572, 5604, 5668, 5796, 5860, 5892, 6412, 6668, 6796, 7308, 7564,
7820, 8076, 8620, 9132, 9388, 9910, 10166, 10680, 11196, 11726, 12240,
12752, 13298, 13810, 14326, 14840, 15500, 16022, 16540, 17158, 17678, 18264,
18796, 19352, 19926, 20468, 21472, 22398, 23014, 23622,
}

Definition at line 8490 of file dcadata.c.

Referenced by dca_init_vlcs().

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