| /* |
| * 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 "typedefs.h" |
| #include "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 |