dce40cf804
use of int16_t/uint16_t. This is the upshot of a recommendation by henrik.lundin and kwiberg on an original small change ( https://webrtc-codereview.appspot.com/42569004/#ps1 ) to stop using int16_t just because values could fit in it, and is similar in nature to a previous "mass change to use size_t more" ( https://webrtc-codereview.appspot.com/23129004/ ) which also needed to be split up for review but to land all at once, since, like adding "const", such changes tend to cause a lot of transitive effects. This was be reviewed and approved in pieces: https://codereview.webrtc.org/1224093003 https://codereview.webrtc.org/1224123002 https://codereview.webrtc.org/1224163002 https://codereview.webrtc.org/1225133003 https://codereview.webrtc.org/1225173002 https://codereview.webrtc.org/1227163003 https://codereview.webrtc.org/1227203003 https://codereview.webrtc.org/1227213002 https://codereview.webrtc.org/1227893002 https://codereview.webrtc.org/1228793004 https://codereview.webrtc.org/1228803003 https://codereview.webrtc.org/1228823002 https://codereview.webrtc.org/1228823003 https://codereview.webrtc.org/1228843002 https://codereview.webrtc.org/1230693002 https://codereview.webrtc.org/1231713002 The change is being landed as TBR to all the folks who reviewed the above. BUG=chromium:81439 TEST=none R=andrew@webrtc.org, pbos@webrtc.org TBR=aluebs, andrew, asapersson, henrika, hlundin, jan.skoglund, kwiberg, minyue, pbos, pthatcher Review URL: https://codereview.webrtc.org/1230503003 . Cr-Commit-Position: refs/heads/master@{#9768}
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/******************************************************************
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iLBC Speech Coder ANSI-C Source Code
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WebRtcIlbcfix_EnergyInverse.c
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******************************************************************/
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/* Inverses the in vector in into Q29 domain */
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#include "energy_inverse.h"
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void WebRtcIlbcfix_EnergyInverse(
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int16_t *energy, /* (i/o) Energy and inverse
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energy (in Q29) */
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size_t noOfEnergies) /* (i) The length of the energy
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vector */
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{
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int32_t Nom=(int32_t)0x1FFFFFFF;
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int16_t *energyPtr;
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size_t i;
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/* Set the minimum energy value to 16384 to avoid overflow */
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energyPtr=energy;
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for (i=0; i<noOfEnergies; i++) {
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(*energyPtr)=WEBRTC_SPL_MAX((*energyPtr),16384);
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energyPtr++;
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}
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/* Calculate inverse energy in Q29 */
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energyPtr=energy;
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for (i=0; i<noOfEnergies; i++) {
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(*energyPtr) = (int16_t)WebRtcSpl_DivW32W16(Nom, (*energyPtr));
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energyPtr++;
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}
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}
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