third_party/opus/src/silk/LP_variable_cutoff.c - Issue 2962373002: [Opus] Update to v1.2.1

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Side by Side Diff: third_party/opus/src/silk/LP_variable_cutoff.c

Issue 2962373002: [Opus] Update to v1.2.1 (Closed)

Patch Set: Include minor updates including fix for win_clang Created 3 years, 5 months ago

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« media/cast/receiver/audio_decoder_unittest.cc ('K') | « third_party/opus/src/silk/LPC_inv_pred_gain.c ('k') | third_party/opus/src/silk/MacroCount.h » ('j') | no next file with comments »

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1 /***********************************************************************	1 /***********************************************************************

2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.	2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.

3 Redistribution and use in source and binary forms, with or without	3 Redistribution and use in source and binary forms, with or without

4 modification, are permitted provided that the following conditions	4 modification, are permitted provided that the following conditions

5 are met:	5 are met:

6 - Redistributions of source code must retain the above copyright notice,	6 - Redistributions of source code must retain the above copyright notice,

7 this list of conditions and the following disclaimer.	7 this list of conditions and the following disclaimer.

8 - Redistributions in binary form must reproduce the above copyright	8 - Redistributions in binary form must reproduce the above copyright

9 notice, this list of conditions and the following disclaimer in the	9 notice, this list of conditions and the following disclaimer in the

10 documentation and/or other materials provided with the distribution.	10 documentation and/or other materials provided with the distribution.

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123 silk_assert( ind < TRANSITION_INT_NUM );	123 silk_assert( ind < TRANSITION_INT_NUM );

124	124

125 /* Interpolate filter coefficients */	125 /* Interpolate filter coefficients */

126 silk_LP_interpolate_filter_taps( B_Q28, A_Q28, ind, fac_Q16 );	126 silk_LP_interpolate_filter_taps( B_Q28, A_Q28, ind, fac_Q16 );

127	127

128 /* Update transition frame number for next frame */	128 /* Update transition frame number for next frame */

129 psLP->transition_frame_no = silk_LIMIT( psLP->transition_frame_no + psLP ->mode, 0, TRANSITION_FRAMES );	129 psLP->transition_frame_no = silk_LIMIT( psLP->transition_frame_no + psLP ->mode, 0, TRANSITION_FRAMES );

130	130

131 /* ARMA low-pass filtering */	131 /* ARMA low-pass filtering */

132 silk_assert( TRANSITION_NB == 3 && TRANSITION_NA == 2 );	132 silk_assert( TRANSITION_NB == 3 && TRANSITION_NA == 2 );

133 silk_biquad_alt( frame, B_Q28, A_Q28, psLP->In_LP_State, frame, frame_le ngth, 1);	133 silk_biquad_alt_stride1( frame, B_Q28, A_Q28, psLP->In_LP_State, frame, frame_length);

134 }	134 }

135 }	135 }

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