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Searched refs:chirp_Q16 (Results 1 – 6 of 6) sorted by relevance

/external/libopus/silk/
Dbwexpander_32.c39 …opus_int32 chirp_Q16 /* I Chirp factor in Q16 … in silk_bwexpander_32() argument
43 opus_int32 chirp_minus_one_Q16 = chirp_Q16 - 65536; in silk_bwexpander_32()
46 ar[ i ] = silk_SMULWW( chirp_Q16, ar[ i ] ); in silk_bwexpander_32()
47 chirp_Q16 += silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, chirp_minus_one_Q16 ), 16 ); in silk_bwexpander_32()
49 ar[ d - 1 ] = silk_SMULWW( chirp_Q16, ar[ d - 1 ] ); in silk_bwexpander_32()
Dbwexpander.c38 …opus_int32 chirp_Q16 /* I Chirp factor (typically in the range 0 to … in silk_bwexpander() argument
42 opus_int32 chirp_minus_one_Q16 = chirp_Q16 - 65536; in silk_bwexpander()
47 … ar[ i ] = (opus_int16)silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, ar[ i ] ), 16 ); in silk_bwexpander()
48 … chirp_Q16 += silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, chirp_minus_one_Q16 ), 16 ); in silk_bwexpander()
50 ar[ d - 1 ] = (opus_int16)silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, ar[ d - 1 ] ), 16 ); in silk_bwexpander()
DLPC_fit.c45 opus_int32 maxabs, absval, chirp_Q16; in silk_LPC_fit() local
63 … chirp_Q16 = SILK_FIX_CONST( 0.999, 16 ) - silk_DIV32( silk_LSHIFT( maxabs - silk_int16_MAX, 14 ), in silk_LPC_fit()
65 silk_bwexpander_32( a_QIN, d, chirp_Q16 ); in silk_LPC_fit()
DSigProc_FIX.h136 …opus_int32 chirp_Q16 /* I Chirp factor (typically in the range 0 to …
143 …opus_int32 chirp_Q16 /* I Chirp factor in Q16 …
/external/libopus/celt/
Dcelt_lpc.c94 opus_val32 maxabs, absval, chirp_Q16, chirp_minus_one_Q16; in _celt_lpc() local
109 chirp_Q16 = QCONST32(0.999, 16) - DIV32(SHL32(maxabs - 32767, 14), in _celt_lpc()
111 chirp_minus_one_Q16 = chirp_Q16 - 65536; in _celt_lpc()
115 lpc[i] = MULT32_32_Q16(chirp_Q16, lpc[i]); in _celt_lpc()
116 chirp_Q16 += PSHR32(MULT32_32_32(chirp_Q16, chirp_minus_one_Q16), 16); in _celt_lpc()
118 lpc[p - 1] = MULT32_32_Q16(chirp_Q16, lpc[p - 1]); in _celt_lpc()
/external/libopus/silk/fixed/
Dnoise_shape_analysis_FIX.c66 opus_int32 tmp, maxabs_Q24, chirp_Q16, gain_Q16; in limit_warped_coefs() local
110 chirp_Q16 = SILK_FIX_CONST( 0.99, 16 ) - silk_DIV32_varQ( in limit_warped_coefs()
113 silk_bwexpander_32( coefs_Q24, order, chirp_Q16 ); in limit_warped_coefs()