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Searched refs:B_Q28 (Results 1 – 4 of 4) sorted by relevance

/external/libopus/silk/
DLP_variable_cutoff.c42 opus_int32 B_Q28[ TRANSITION_NB ], in silk_LP_interpolate_filter_taps()
55 B_Q28[ nb ] = silk_SMLAWB( in silk_LP_interpolate_filter_taps()
72 B_Q28[ nb ] = silk_SMLAWB( in silk_LP_interpolate_filter_taps()
87 … silk_memcpy( B_Q28, silk_Transition_LP_B_Q28[ ind ], TRANSITION_NB * sizeof( opus_int32 ) ); in silk_LP_interpolate_filter_taps()
91 …silk_memcpy( B_Q28, silk_Transition_LP_B_Q28[ TRANSITION_INT_NUM - 1 ], TRANSITION_NB * sizeof( op… in silk_LP_interpolate_filter_taps()
106 opus_int32 B_Q28[ TRANSITION_NB ], A_Q28[ TRANSITION_NA ], fac_Q16 = 0; in silk_LP_variable_cutoff() local
126 silk_LP_interpolate_filter_taps( B_Q28, A_Q28, ind, fac_Q16 ); in silk_LP_variable_cutoff()
133 silk_biquad_alt( frame, B_Q28, A_Q28, psLP->In_LP_State, frame, frame_length, 1); in silk_LP_variable_cutoff()
Dbiquad_alt.c44 …const opus_int32 *B_Q28, /* I MA coefficients [3] … in silk_biquad_alt() argument
65 out32_Q14 = silk_LSHIFT( silk_SMLAWB( S[ 0 ], B_Q28[ 0 ], inval ), 2 ); in silk_biquad_alt()
69 S[ 0 ] = silk_SMLAWB( S[ 0 ], B_Q28[ 1 ], inval); in silk_biquad_alt()
73 S[ 1 ] = silk_SMLAWB( S[ 1 ], B_Q28[ 2 ], inval ); in silk_biquad_alt()
DSigProc_FIX.h101 …const opus_int32 *B_Q28, /* I MA coefficients [3] …
/external/libopus/src/
Dopus_encoder.c289 const opus_int32 *B_Q28, /* I: MA coefficients [3] */ in silk_biquad_float() argument
305 B[0] = (opus_val32)(B_Q28[0] * (1.f/((opus_int32)1<<28))); in silk_biquad_float()
306 B[1] = (opus_val32)(B_Q28[1] * (1.f/((opus_int32)1<<28))); in silk_biquad_float()
307 B[2] = (opus_val32)(B_Q28[2] * (1.f/((opus_int32)1<<28))); in silk_biquad_float()
328 opus_int32 B_Q28[ 3 ], A_Q28[ 2 ]; in hp_cutoff() local
339 B_Q28[ 0 ] = r_Q28; in hp_cutoff()
340 B_Q28[ 1 ] = silk_LSHIFT( -r_Q28, 1 ); in hp_cutoff()
341 B_Q28[ 2 ] = r_Q28; in hp_cutoff()
349 silk_biquad_alt( in, B_Q28, A_Q28, hp_mem, out, len, channels ); in hp_cutoff()
351 silk_biquad_alt( in+1, B_Q28, A_Q28, hp_mem+2, out+1, len, channels ); in hp_cutoff()
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