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/*
* Copyright (c) 2012 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 "webrtc/typedefs.h"
#include "webrtc/voice_engine/voice_engine_defines.h"
namespace webrtc
{
class Module;
namespace voe
{
class Utility
{
public:
static void MixWithSat(int16_t target[],
int target_channel,
const int16_t source[],
int source_channel,
int source_len);
static void MixSubtractWithSat(int16_t target[],
const int16_t source[],
uint16_t len);
static void MixAndScaleWithSat(int16_t target[],
const int16_t source[],
float scale,
uint16_t len);
static void Scale(int16_t vector[], float scale, uint16_t len);
static void ScaleWithSat(int16_t vector[],
float scale,
uint16_t len);
};
} // namespace voe
} // namespace webrtc
#endif // WEBRTC_VOICE_ENGINE_UTILITY_H
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