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More OKed parts of QCELP data tables
patch by Kenan Gillet, kenan.gillet gmail com Originally committed as revision 15752 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Kenan Gillet
Vitor Sessak
parent
0e60e19019
commit
8c31f18bf9
@ -24,6 +24,222 @@
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#include <stdint.h>
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/**
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* pre-calculated table for hammsinc function
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* Only half of the tables is needed because of symetry.
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*
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* TIA/EIA/IS-733 2.4.5.2-2/3
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*/
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static const float qcelp_hammsinc_table[4] = { -0.006822, 0.041249, -0.143459, 0.588863};
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typedef struct {
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uint8_t index; /*!< index into the QCELPContext structure */
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uint8_t bitpos; /*!< position of the lowet bit in the value's byte */
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uint8_t bitlen; /*!< number of bits to read */
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} QCELPBitmap;
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#define QCELP_OF(variable, bit, len) {offsetof(QCELPContext, variable), bit, len}
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/**
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* bitmap unpacking tables for RATE_FULL
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*
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* TIA/EIA/IS-733 Table 2.4.7.1-1
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*/
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static const QCELPBitmap qcelp_rate_full_bitmap[] = {
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// start on bit
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QCELP_OF(lspv [ 2], 0, 3), // 265
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QCELP_OF(lspv [ 1], 0, 7), // 262
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QCELP_OF(lspv [ 0], 0, 6), // 255
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QCELP_OF(lspv [ 4], 0, 6), // 249
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QCELP_OF(lspv [ 3], 0, 6), // 243
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QCELP_OF(lspv [ 2], 3, 4), // 237
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QCELP_OF(cbsign[ 0], 0, 1), // 233
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QCELP_OF(cbgain[ 0], 0, 4), // 232
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QCELP_OF(pfrac [ 0], 0, 1), // 228
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QCELP_OF(plag [ 0], 0, 7), // 227
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QCELP_OF(pgain [ 0], 0, 3), // 220
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QCELP_OF(cindex[ 1], 0, 4), // 217
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QCELP_OF(cbsign[ 1], 0, 1), // 213
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QCELP_OF(cbgain[ 1], 0, 4), // 212
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QCELP_OF(cindex[ 0], 0, 7), // 208
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QCELP_OF(cbgain[ 3], 0, 1), // 201
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QCELP_OF(cindex[ 2], 0, 7), // 200
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QCELP_OF(cbsign[ 2], 0, 1), // 193
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QCELP_OF(cbgain[ 2], 0, 4), // 192
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QCELP_OF(cindex[ 1], 4, 3), // 188
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QCELP_OF(plag [ 1], 0, 3), // 185
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QCELP_OF(pgain [ 1], 0, 3), // 182
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QCELP_OF(cindex[ 3], 0, 7), // 179
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QCELP_OF(cbsign[ 3], 0, 1), // 172
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QCELP_OF(cbgain[ 3], 1, 2), // 171
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QCELP_OF(cindex[ 4], 0, 6), // 169
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QCELP_OF(cbsign[ 4], 0, 1), // 163
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QCELP_OF(cbgain[ 4], 0, 4), // 162
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QCELP_OF(pfrac [ 1], 0, 1), // 158
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QCELP_OF(plag [ 1], 3, 4), // 157
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QCELP_OF(cbgain[ 6], 0, 3), // 153
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QCELP_OF(cindex[ 5], 0, 7), // 150
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QCELP_OF(cbsign[ 5], 0, 1), // 143
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QCELP_OF(cbgain[ 5], 0, 4), // 142
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QCELP_OF(cindex[ 4], 6, 1), // 138
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QCELP_OF(cindex[ 7], 0, 3), // 137
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QCELP_OF(cbsign[ 7], 0, 1), // 134
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QCELP_OF(cbgain[ 7], 0, 3), // 133
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QCELP_OF(cindex[ 6], 0, 7), // 130
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QCELP_OF(cbsign[ 6], 0, 1), // 123
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QCELP_OF(cbgain[ 6], 3, 1), // 122
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QCELP_OF(cbgain[ 8], 0, 1), // 121
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QCELP_OF(pfrac [ 2], 0, 1), // 120
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QCELP_OF(plag [ 2], 0, 7), // 119
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QCELP_OF(pgain [ 2], 0, 3), // 112
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QCELP_OF(cindex[ 7], 3, 4), // 109
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QCELP_OF(cbsign[ 9], 0, 1), // 105
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QCELP_OF(cbgain[ 9], 0, 4), // 104
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QCELP_OF(cindex[ 8], 0, 7), // 100
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QCELP_OF(cbsign[ 8], 0, 1), // 93
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QCELP_OF(cbgain[ 8], 1, 3), // 92
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QCELP_OF(cindex[10], 0, 4), // 89
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QCELP_OF(cbsign[10], 0, 1), // 85
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QCELP_OF(cbgain[10], 0, 4), // 84
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QCELP_OF(cindex[ 9], 0, 7), // 80
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QCELP_OF(pgain [ 3], 0, 2), // 73
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QCELP_OF(cindex[11], 0, 7), // 71
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QCELP_OF(cbsign[11], 0, 1), // 64
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QCELP_OF(cbgain[11], 0, 3), // 63
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QCELP_OF(cindex[10], 4, 3), // 60
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QCELP_OF(cindex[12], 0, 2), // 57
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QCELP_OF(cbsign[12], 0, 1), // 55
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QCELP_OF(cbgain[12], 0, 4), // 54
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QCELP_OF(pfrac [ 3], 0, 1), // 50
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QCELP_OF(plag [ 3], 0, 7), // 49
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QCELP_OF(pgain [ 3], 2, 1), // 42
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QCELP_OF(cindex[13], 0, 6), // 41
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QCELP_OF(cbsign[13], 0, 1), // 35
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QCELP_OF(cbgain[13], 0, 4), // 34
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QCELP_OF(cindex[12], 2, 5), // 30
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QCELP_OF(cbgain[15], 0, 3), // 25
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QCELP_OF(cindex[14], 0, 7), // 22
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QCELP_OF(cbsign[14], 0, 1), // 15
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QCELP_OF(cbgain[14], 0, 4), // 14
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QCELP_OF(cindex[13], 6, 1), // 10
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QCELP_OF(reserved, 0, 2), // 9
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QCELP_OF(cindex[15], 0, 7), // 7
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QCELP_OF(cbsign[15], 0, 1) // 0
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};
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/**
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* bitmap unpacking tables for RATE_HALF
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*
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* TIA/EIA/IS-733 Table 2.4.7.2-1
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*/
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static const QCELPBitmap qcelp_rate_half_bitmap[] = {
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// start on bit
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QCELP_OF(lspv [2], 0, 3), // 123
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QCELP_OF(lspv [1], 0, 7), // 120
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QCELP_OF(lspv [0], 0, 6), // 113
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QCELP_OF(lspv [4], 0, 6), // 107
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QCELP_OF(lspv [3], 0, 6), // 101
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QCELP_OF(lspv [2], 3, 4), // 95
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QCELP_OF(cbsign[0], 0, 1), // 91
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QCELP_OF(cbgain[0], 0, 4), // 90
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QCELP_OF(pfrac [0], 0, 1), // 86
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QCELP_OF(plag [0], 0, 7), // 85
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QCELP_OF(pgain [0], 0, 3), // 78
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QCELP_OF(plag [1], 0, 6), // 75
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QCELP_OF(pgain [1], 0, 3), // 69
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QCELP_OF(cindex[0], 0, 7), // 66
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QCELP_OF(pgain [2], 0, 2), // 59
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QCELP_OF(cindex[1], 0, 7), // 57
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QCELP_OF(cbsign[1], 0, 1), // 50
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QCELP_OF(cbgain[1], 0, 4), // 49
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QCELP_OF(pfrac [1], 0, 1), // 45
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QCELP_OF(plag [1], 6, 1), // 44
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QCELP_OF(cindex[2], 0, 2), // 43
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QCELP_OF(cbsign[2], 0, 1), // 41
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QCELP_OF(cbgain[2], 0, 4), // 40
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QCELP_OF(pfrac [2], 0, 1), // 36
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QCELP_OF(plag [2], 0, 7), // 35
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QCELP_OF(pgain [2], 2, 1), // 28
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QCELP_OF(pfrac [3], 0, 1), // 27
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QCELP_OF(plag [3], 0, 7), // 26
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QCELP_OF(pgain [3], 0, 3), // 19
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QCELP_OF(cindex[2], 2, 5), // 16
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QCELP_OF(cindex[3], 0, 7), // 11
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QCELP_OF(cbsign[3], 0, 1), // 4
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QCELP_OF(cbgain[3], 0, 4) // 3
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};
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/**
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* bitmap unpacking tables for RATE_QUARTER
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*
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* TIA/EIA/IS-733 Table 2.4.7.3-1
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*/
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static const QCELPBitmap qcelp_rate_quarter_bitmap[] = {
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// start on bit
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QCELP_OF(lspv [2], 0, 3), // 53
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QCELP_OF(lspv [1], 0, 7), // 50
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QCELP_OF(lspv [0], 0, 6), // 43
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QCELP_OF(lspv [4], 0, 6), // 37
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QCELP_OF(lspv [3], 0, 6), // 31
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QCELP_OF(lspv [2], 3, 4), // 25
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QCELP_OF(cbgain[3], 0, 4), // 21
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QCELP_OF(cbgain[2], 0, 4), // 17
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QCELP_OF(cbgain[1], 0, 4), // 13
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QCELP_OF(cbgain[0], 0, 4), // 9
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QCELP_OF(reserved, 0, 2), // 5
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QCELP_OF(cbgain[4], 0, 4) // 3
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};
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/**
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* bitmap unpacking tables for RATE_OCTAVE
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*
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* trick: CBSEED is written into QCELPContext.cbsign[15],
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* which is not used for RATE_OCTAVE.
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* CBSEED is only used to ensure the occurrence of random bit
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* patterns in the 16 first bits that are used as the seed.
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*
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* TIA/EIA/IS-733 Table 2.4.7.4-1
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*/
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static const QCELPBitmap qcelp_rate_octave_bitmap[] = {
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// start on bit
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QCELP_OF(cbsign[15], 3, 1), // 19
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QCELP_OF(lspv [0], 0, 1), // 18
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QCELP_OF(lspv [1], 0, 1), // 17
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QCELP_OF(lspv [2], 0, 1), // 16
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QCELP_OF(cbsign[15], 2, 1), // 15
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QCELP_OF(lspv [3], 0, 1), // 14
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QCELP_OF(lspv [4], 0, 1), // 13
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QCELP_OF(lspv [5], 0, 1), // 12
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QCELP_OF(cbsign[15], 1, 1), // 11
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QCELP_OF(lspv [6], 0, 1), // 10
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QCELP_OF(lspv [7], 0, 1), // 9
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QCELP_OF(lspv [8], 0, 1), // 8
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QCELP_OF(cbsign[15], 0, 1), // 7
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QCELP_OF(lspv [9], 0, 1), // 6
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QCELP_OF(cbgain [0], 0, 2), // 7
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QCELP_OF(reserved, 0, 4) // 3
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};
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/**
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* position of the bitmapping data for each packet type in
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* the QCELPContext
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*/
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static const QCELPBitmap * const qcelp_unpacking_bitmaps_per_rate[5] = {
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NULL, ///!< for SILENCE rate
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qcelp_rate_octave_bitmap,
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qcelp_rate_quarter_bitmap,
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qcelp_rate_half_bitmap,
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qcelp_rate_full_bitmap,
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};
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static const uint16_t qcelp_bits_per_rate[5] = {
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0, ///!< for SILENCE rate
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FF_ARRAY_ELEMS(qcelp_rate_octave_bitmap),
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FF_ARRAY_ELEMS(qcelp_rate_quarter_bitmap),
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FF_ARRAY_ELEMS(qcelp_rate_half_bitmap),
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FF_ARRAY_ELEMS(qcelp_rate_full_bitmap),
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};
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typedef uint16_t qcelp_vector[2];
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/**
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