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Searched
refs:A_Q28
(Results
1 - 4
of
4
) sorted by null
/external/libopus/silk/
biquad_alt.c
45
const opus_int32 *
A_Q28
, /* I AR coefficients [2] */
56
/* Negate
A_Q28
values and split in two parts */
57
A0_L_Q28 = ( -
A_Q28
[ 0 ] ) & 0x00003FFF; /* lower part */
58
A0_U_Q28 = silk_RSHIFT( -
A_Q28
[ 0 ], 14 ); /* upper part */
59
A1_L_Q28 = ( -
A_Q28
[ 1 ] ) & 0x00003FFF; /* lower part */
60
A1_U_Q28 = silk_RSHIFT( -
A_Q28
[ 1 ], 14 ); /* upper part */
LP_variable_cutoff.c
43
opus_int32
A_Q28
[ TRANSITION_NA ],
62
A_Q28
[ na ] = silk_SMLAWB(
79
A_Q28
[ na ] = silk_SMLAWB(
88
silk_memcpy(
A_Q28
, silk_Transition_LP_A_Q28[ ind ], TRANSITION_NA * sizeof( opus_int32 ) );
92
silk_memcpy(
A_Q28
, silk_Transition_LP_A_Q28[ TRANSITION_INT_NUM - 1 ], TRANSITION_NA * sizeof( opus_int32 ) );
106
opus_int32 B_Q28[ TRANSITION_NB ],
A_Q28
[ TRANSITION_NA ], fac_Q16 = 0;
126
silk_LP_interpolate_filter_taps( B_Q28,
A_Q28
, ind, fac_Q16 );
133
silk_biquad_alt( frame, B_Q28,
A_Q28
, psLP->In_LP_State, frame, frame_length, 1);
SigProc_FIX.h
102
const opus_int32 *
A_Q28
, /* I AR coefficients [2] */
[
all
...]
/external/libopus/src/
opus_encoder.c
290
const opus_int32 *
A_Q28
, /* I: AR coefficients [2] */
303
A[0] = (opus_val32)(
A_Q28
[0] * (1.f/((opus_int32)1<<28)));
304
A[1] = (opus_val32)(
A_Q28
[1] * (1.f/((opus_int32)1<<28)));
309
/* Negate
A_Q28
values and split in two parts */
328
opus_int32 B_Q28[ 3 ],
A_Q28
[ 2 ];
345
A_Q28
[ 0 ] = silk_SMULWW( r_Q22, silk_SMULWW( Fc_Q19, Fc_Q19 ) - SILK_FIX_CONST( 2.0, 22 ) );
346
A_Q28
[ 1 ] = silk_SMULWW( r_Q22, r_Q22 );
349
silk_biquad_alt( in, B_Q28,
A_Q28
, hp_mem, out, len, channels );
351
silk_biquad_alt( in+1, B_Q28,
A_Q28
, hp_mem+2, out+1, len, channels );
354
silk_biquad_float( in, B_Q28,
A_Q28
, hp_mem, out, len, channels )
[
all
...]
Completed in 82 milliseconds