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Searched refs:str_auto_corr (Results 1 – 2 of 2) sorted by relevance

/external/libxaac/encoder/
Diusace_esbr_inter_tes.c398 ixheaace_str_auto_corr_ele str_auto_corr; in ixheaace_generate_hf() local
463 ixheaace_esbr_calc_co_variance(&str_auto_corr, &ptr_src_buf_real[0], &ptr_src_buf_imag[0], in ixheaace_generate_hf()
465 if (str_auto_corr.det == 0.0f) { in ixheaace_generate_hf()
468 fac = 1.0f / str_auto_corr.det; in ixheaace_generate_hf()
469 alpha_real[k][1] = (str_auto_corr.phi_0_1_real * str_auto_corr.phi_1_2_real - in ixheaace_generate_hf()
470 str_auto_corr.phi_0_1_imag * str_auto_corr.phi_1_2_imag - in ixheaace_generate_hf()
471 str_auto_corr.phi_0_2_real * str_auto_corr.phi_1_1) * in ixheaace_generate_hf()
473 alpha_imag[k][1] = (str_auto_corr.phi_0_1_imag * str_auto_corr.phi_1_2_real + in ixheaace_generate_hf()
474 str_auto_corr.phi_0_1_real * str_auto_corr.phi_1_2_imag - in ixheaace_generate_hf()
475 str_auto_corr.phi_0_2_imag * str_auto_corr.phi_1_1) * in ixheaace_generate_hf()
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/external/libxaac/decoder/
Dixheaacd_sbrdec_lpfuncs.c996 ia_auto_corr_ele_struct str_auto_corr; in ixheaacd_generate_hf() local
1077 ixheaacd_esbr_calc_co_variance(&str_auto_corr, &ptr_src_buf_real[0], in ixheaacd_generate_hf()
1079 if (str_auto_corr.det == 0.0f) { in ixheaacd_generate_hf()
1082 fac = 1.0f / str_auto_corr.det; in ixheaacd_generate_hf()
1084 (str_auto_corr.phi_0_1_real * str_auto_corr.phi_1_2_real - in ixheaacd_generate_hf()
1085 str_auto_corr.phi_0_1_imag * str_auto_corr.phi_1_2_imag - in ixheaacd_generate_hf()
1086 str_auto_corr.phi_0_2_real * str_auto_corr.phi_1_1) * in ixheaacd_generate_hf()
1089 (str_auto_corr.phi_0_1_imag * str_auto_corr.phi_1_2_real + in ixheaacd_generate_hf()
1090 str_auto_corr.phi_0_1_real * str_auto_corr.phi_1_2_imag - in ixheaacd_generate_hf()
1091 str_auto_corr.phi_0_2_imag * str_auto_corr.phi_1_1) * in ixheaacd_generate_hf()
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