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1.7 KiB
C++

/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* Contains functions often used by different parts of VoiceEngine.
*/
#ifndef WEBRTC_VOICE_ENGINE_UTILITY_H
#define WEBRTC_VOICE_ENGINE_UTILITY_H
#include "typedefs.h"
#include "voice_engine_defines.h"
namespace webrtc
{
class Module;
namespace voe
{
class Utility
{
public:
static void MixWithSat(WebRtc_Word16 target[],
const WebRtc_Word16 source[],
WebRtc_UWord16 len);
static void MixSubtractWithSat(WebRtc_Word16 target[],
const WebRtc_Word16 source[],
WebRtc_UWord16 len);
static void MixAndScaleWithSat(WebRtc_Word16 target[],
const WebRtc_Word16 source[],
float scale,
WebRtc_UWord16 len);
static void Scale(WebRtc_Word16 vector[], float scale, WebRtc_UWord16 len);
static void ScaleWithSat(WebRtc_Word16 vector[],
float scale,
WebRtc_UWord16 len);
static void TraceModuleVersion(const WebRtc_Word32 id,
const Module& module);
private:
enum {kMaxVersionSize = 640};
};
} // namespace voe
} // namespace webrtc
#endif // WEBRTC_VOICE_ENGINE_UTILITY_H