Searched refs:rc_Q31 (Results 1 – 5 of 5) sorted by relevance
/external/libopus/silk/fixed/ |
D | burg_modified_FIX.c | 58 opus_int32 C0, num, nrg, rc_Q31, invGain_Q30, Atmp_QA, Atmp1, tmp1, tmp2, x1, x2; in silk_burg_modified_c() local 194 rc_Q31 = silk_DIV32_varQ( num, nrg, 31 ); in silk_burg_modified_c() 196 rc_Q31 = ( num > 0 ) ? silk_int32_MAX : silk_int32_MIN; in silk_burg_modified_c() 200 tmp1 = ( (opus_int32)1 << 30 ) - silk_SMMUL( rc_Q31, rc_Q31 ); in silk_burg_modified_c() 205 … rc_Q31 = silk_SQRT_APPROX( tmp2 ); /* Q15 */ in silk_burg_modified_c() 206 if( rc_Q31 > 0 ) { in silk_burg_modified_c() 208 … rc_Q31 = silk_RSHIFT32( rc_Q31 + silk_DIV32( tmp2, rc_Q31 ), 1 ); /* Q15 */ in silk_burg_modified_c() 209 … rc_Q31 = silk_LSHIFT32( rc_Q31, 16 ); /* Q31 */ in silk_burg_modified_c() 212 rc_Q31 = -rc_Q31; in silk_burg_modified_c() 225 … Af_QA[ k ] = silk_ADD_LSHIFT32( tmp1, silk_SMMUL( tmp2, rc_Q31 ), 1 ); /* QA */ in silk_burg_modified_c() [all …]
|
/external/libopus/silk/ |
D | LPC_inv_pred_gain.c | 48 opus_int32 invGain_Q30, rc_Q31, rc_mult1_Q30, rc_mult2, tmp1, tmp2; in LPC_inverse_pred_gain_QA_c() local 58 rc_Q31 = -silk_LSHIFT( A_QA[ k ], 31 - QA ); in LPC_inverse_pred_gain_QA_c() 61 rc_mult1_Q30 = silk_SUB32( SILK_FIX_CONST( 1, 30 ), silk_SMMUL( rc_Q31, rc_Q31 ) ); in LPC_inverse_pred_gain_QA_c() 84 MUL32_FRAC_Q( tmp2, rc_Q31, 31 ) ), rc_mult2 ), mult2Q); in LPC_inverse_pred_gain_QA_c() 90 MUL32_FRAC_Q( tmp1, rc_Q31, 31 ) ), rc_mult2), mult2Q); in LPC_inverse_pred_gain_QA_c() 104 rc_Q31 = -silk_LSHIFT( A_QA[ 0 ], 31 - QA ); in LPC_inverse_pred_gain_QA_c() 107 rc_mult1_Q30 = silk_SUB32( SILK_FIX_CONST( 1, 30 ), silk_SMMUL( rc_Q31, rc_Q31 ) ); in LPC_inverse_pred_gain_QA_c()
|
/external/libopus/silk/fixed/x86/ |
D | burg_modified_FIX_sse.c | 63 opus_int32 C0, num, nrg, rc_Q31, invGain_Q30, Atmp_QA, Atmp1, tmp1, tmp2, x1, x2; in silk_burg_modified_sse4_1() local 291 rc_Q31 = silk_DIV32_varQ( num, nrg, 31 ); in silk_burg_modified_sse4_1() 293 rc_Q31 = ( num > 0 ) ? silk_int32_MAX : silk_int32_MIN; in silk_burg_modified_sse4_1() 297 tmp1 = ( (opus_int32)1 << 30 ) - silk_SMMUL( rc_Q31, rc_Q31 ); in silk_burg_modified_sse4_1() 302 … rc_Q31 = silk_SQRT_APPROX( tmp2 ); /* Q15 */ in silk_burg_modified_sse4_1() 303 if( rc_Q31 > 0 ) { in silk_burg_modified_sse4_1() 305 … rc_Q31 = silk_RSHIFT32( rc_Q31 + silk_DIV32( tmp2, rc_Q31 ), 1 ); /* Q15 */ in silk_burg_modified_sse4_1() 306 … rc_Q31 = silk_LSHIFT32( rc_Q31, 16 ); /* Q31 */ in silk_burg_modified_sse4_1() 309 rc_Q31 = -rc_Q31; in silk_burg_modified_sse4_1() 322 … Af_QA[ k ] = silk_ADD_LSHIFT32( tmp1, silk_SMMUL( tmp2, rc_Q31 ), 1 ); /* QA */ in silk_burg_modified_sse4_1() [all …]
|
/external/libopus/silk/arm/ |
D | LPC_inv_pred_gain_neon_intr.c | 61 opus_int32 invGain_Q30, rc_Q31, rc_mult1_Q30, rc_mult2, tmp1, tmp2; in LPC_inverse_pred_gain_QA_neon() local 79 rc_Q31 = -silk_LSHIFT( A_QA[ k ], 31 - QA ); in LPC_inverse_pred_gain_QA_neon() 82 rc_mult1_Q30 = silk_SUB32( SILK_FIX_CONST( 1, 30 ), silk_SMMUL( rc_Q31, rc_Q31 ) ); in LPC_inverse_pred_gain_QA_neon() 100 rc_Q31_s32x2 = vdup_n_s32( rc_Q31 ); in LPC_inverse_pred_gain_QA_neon() 142 MUL32_FRAC_Q( tmp2, rc_Q31, 31 ) ), rc_mult2 ), mult2Q); in LPC_inverse_pred_gain_QA_neon() 148 MUL32_FRAC_Q( tmp1, rc_Q31, 31 ) ), rc_mult2), mult2Q); in LPC_inverse_pred_gain_QA_neon() 172 rc_Q31 = -silk_LSHIFT( A_QA[ 0 ], 31 - QA ); in LPC_inverse_pred_gain_QA_neon() 175 rc_mult1_Q30 = silk_SUB32( SILK_FIX_CONST( 1, 30 ), silk_SMMUL( rc_Q31, rc_Q31 ) ); in LPC_inverse_pred_gain_QA_neon()
|
/external/libopus/doc/ |
D | opus_update.patch | 59 - tmp_QA = Aold_QA[ n ] - MUL32_FRAC_Q( Aold_QA[ k - n - 1 ], rc_Q31, 31 ); 62 + tmp_QA = silk_SUB_SAT32( Aold_QA[ n ], MUL32_FRAC_Q( Aold_QA[ k - n - 1 ], rc_Q31, 31 …
|