diff options
author | Christian Schneppe <christian@pix-art.de> | 2016-09-07 21:36:30 +0200 |
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committer | Christian Schneppe <christian@pix-art.de> | 2016-09-07 21:36:30 +0200 |
commit | 685341457b310d2b22f4b3048ea50e35e4f6be26 (patch) | |
tree | 047fe68b8c81d62a0e00f5e76c1930a9bdfcc7cb /src/main/jni/opus/silk/lin2log.c | |
parent | 2fa492c3eea4ae1050f4458b9e887b4f9780e2f5 (diff) |
optimized imports
Diffstat (limited to 'src/main/jni/opus/silk/lin2log.c')
-rw-r--r-- | src/main/jni/opus/silk/lin2log.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/src/main/jni/opus/silk/lin2log.c b/src/main/jni/opus/silk/lin2log.c deleted file mode 100644 index d4fe51532..000000000 --- a/src/main/jni/opus/silk/lin2log.c +++ /dev/null @@ -1,46 +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" -/* Approximation of 128 * log2() (very close inverse of silk_log2lin()) */ -/* Convert input to a log scale */ -opus_int32 silk_lin2log( - const opus_int32 inLin /* I input in linear scale */ -) -{ - opus_int32 lz, frac_Q7; - - silk_CLZ_FRAC( inLin, &lz, &frac_Q7 ); - - /* Piece-wise parabolic approximation */ - return silk_LSHIFT( 31 - lz, 7 ) + silk_SMLAWB( frac_Q7, silk_MUL( frac_Q7, 128 - frac_Q7 ), 179 ); -} - |