121 lines
3.2 KiB
C++
121 lines
3.2 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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#include "utility.h"
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#include "module.h"
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#include "trace.h"
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namespace webrtc
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{
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namespace voe
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{
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void Utility::MixWithSat(WebRtc_Word16 target[],
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const WebRtc_Word16 source[],
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WebRtc_UWord16 len)
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{
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WebRtc_Word32 temp(0);
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for (int i = 0; i < len; i++)
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{
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temp = source[i] + target[i];
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if (temp > 32767)
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target[i] = 32767;
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else if (temp < -32768)
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target[i] = -32768;
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else
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target[i] = (WebRtc_Word16) temp;
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}
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}
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void Utility::MixSubtractWithSat(WebRtc_Word16 target[],
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const WebRtc_Word16 source[],
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WebRtc_UWord16 len)
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{
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WebRtc_Word32 temp(0);
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for (int i = 0; i < len; i++)
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{
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temp = target[i] - source[i];
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if (temp > 32767)
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target[i] = 32767;
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else if (temp < -32768)
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target[i] = -32768;
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else
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target[i] = (WebRtc_Word16) temp;
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}
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}
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void Utility::MixAndScaleWithSat(WebRtc_Word16 target[],
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const WebRtc_Word16 source[], float scale,
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WebRtc_UWord16 len)
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{
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WebRtc_Word32 temp(0);
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for (int i = 0; i < len; i++)
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{
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temp = (WebRtc_Word32) (target[i] + scale * source[i]);
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if (temp > 32767)
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target[i] = 32767;
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else if (temp < -32768)
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target[i] = -32768;
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else
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target[i] = (WebRtc_Word16) temp;
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}
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}
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void Utility::Scale(WebRtc_Word16 vector[], float scale, WebRtc_UWord16 len)
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{
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for (int i = 0; i < len; i++)
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{
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vector[i] = (WebRtc_Word16) (scale * vector[i]);
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}
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}
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void Utility::ScaleWithSat(WebRtc_Word16 vector[], float scale,
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WebRtc_UWord16 len)
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{
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WebRtc_Word32 temp(0);
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for (int i = 0; i < len; i++)
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{
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temp = (WebRtc_Word32) (scale * vector[i]);
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if (temp > 32767)
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vector[i] = 32767;
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else if (temp < -32768)
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vector[i] = -32768;
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else
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vector[i] = (WebRtc_Word16) temp;
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}
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}
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void Utility::TraceModuleVersion(const WebRtc_Word32 id,
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const Module& module)
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{
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WebRtc_Word8 version[Utility::kMaxVersionSize] = { 0 };
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WebRtc_UWord32 remainingBufferInBytes = Utility::kMaxVersionSize;
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WebRtc_UWord32 position = 0;
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if (module.Version(version, remainingBufferInBytes, position) == 0)
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{
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WebRtc_Word8* ptr(NULL);
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while ((ptr = strchr(version, '\t')) != NULL)
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{
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*ptr = ' ';
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}
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while ((ptr = strchr(version, '\n')) != NULL)
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{
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*ptr = ' ';
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}
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, id, "%s", version);
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}
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}
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} // namespace voe
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} // namespace webrtc
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