diff options
Diffstat (limited to 'src/opus-1.1/silk/fixed/k2a_FIX.c')
| -rw-r--r-- | src/opus-1.1/silk/fixed/k2a_FIX.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/opus-1.1/silk/fixed/k2a_FIX.c b/src/opus-1.1/silk/fixed/k2a_FIX.c deleted file mode 100644 index 5fee599b..00000000 --- a/src/opus-1.1/silk/fixed/k2a_FIX.c +++ /dev/null @@ -1,53 +0,0 @@ -/*********************************************************************** -Copyright (c) 2006-2011, Skype Limited. All rights reserved. -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -- Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -- Neither the name of Internet Society, IETF or IETF Trust, nor the -names of specific contributors, may be used to endorse or promote -products derived from this software without specific prior written -permission. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "SigProc_FIX.h" - -/* Step up function, converts reflection coefficients to prediction coefficients */ -void silk_k2a( - opus_int32 *A_Q24, /* O Prediction coefficients [order] Q24 */ - const opus_int16 *rc_Q15, /* I Reflection coefficients [order] Q15 */ - const opus_int32 order /* I Prediction order */ -) -{ - opus_int k, n; - opus_int32 Atmp[ SILK_MAX_ORDER_LPC ]; - - for( k = 0; k < order; k++ ) { - for( n = 0; n < k; n++ ) { - Atmp[ n ] = A_Q24[ n ]; - } - for( n = 0; n < k; n++ ) { - A_Q24[ n ] = silk_SMLAWB( A_Q24[ n ], silk_LSHIFT( Atmp[ k - n - 1 ], 1 ), rc_Q15[ k ] ); - } - A_Q24[ k ] = -silk_LSHIFT( (opus_int32)rc_Q15[ k ], 9 ); - } -} |