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|   1 /* |   1 /* | 
|   2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |   2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 
|   3  * |   3  * | 
|   4  *  Use of this source code is governed by a BSD-style license |   4  *  Use of this source code is governed by a BSD-style license | 
|   5  *  that can be found in the LICENSE file in the root of the source |   5  *  that can be found in the LICENSE file in the root of the source | 
|   6  *  tree. An additional intellectual property rights grant can be found |   6  *  tree. An additional intellectual property rights grant can be found | 
|   7  *  in the file PATENTS.  All contributing project authors may |   7  *  in the file PATENTS.  All contributing project authors may | 
|   8  *  be found in the AUTHORS file in the root of the source tree. |   8  *  be found in the AUTHORS file in the root of the source tree. | 
|   9  */ |   9  */ | 
|  10  |  10  | 
|  11 #ifndef WEBRTC_VOICE_ENGINE_AUDIO_FRAME_OPERATIONS_H_ |  11 #ifndef WEBRTC_MODULES_UTILITY_INCLUDE_AUDIO_FRAME_OPERATIONS_H_ | 
|  12 #define WEBRTC_VOICE_ENGINE_AUDIO_FRAME_OPERATIONS_H_ |  12 #define WEBRTC_MODULES_UTILITY_INCLUDE_AUDIO_FRAME_OPERATIONS_H_ | 
|  13  |  13  | 
|  14 #include "webrtc/typedefs.h" |  14 #include "webrtc/typedefs.h" | 
|  15  |  15  | 
|  16 namespace webrtc { |  16 namespace webrtc { | 
|  17  |  17  | 
|  18 class AudioFrame; |  18 class AudioFrame; | 
|  19  |  19  | 
|  20 // TODO(andrew): consolidate this with utility.h and audio_frame_manipulator.h. |  20 // TODO(andrew): consolidate this with utility.h and audio_frame_manipulator.h. | 
|  21 // Change reference parameters to pointers. Consider using a namespace rather |  21 // Change reference parameters to pointers. Consider using a namespace rather | 
|  22 // than a class. |  22 // than a class. | 
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|  48   // Zeros out the audio and sets |frame.energy| to zero. |  48   // Zeros out the audio and sets |frame.energy| to zero. | 
|  49   static void Mute(AudioFrame& frame); |  49   static void Mute(AudioFrame& frame); | 
|  50  |  50  | 
|  51   static int Scale(float left, float right, AudioFrame& frame); |  51   static int Scale(float left, float right, AudioFrame& frame); | 
|  52  |  52  | 
|  53   static int ScaleWithSat(float scale, AudioFrame& frame); |  53   static int ScaleWithSat(float scale, AudioFrame& frame); | 
|  54 }; |  54 }; | 
|  55  |  55  | 
|  56 }  // namespace webrtc |  56 }  // namespace webrtc | 
|  57  |  57  | 
|  58 #endif  // #ifndef WEBRTC_VOICE_ENGINE_AUDIO_FRAME_OPERATIONS_H_ |  58 #endif  // #ifndef WEBRTC_MODULES_UTILITY_INCLUDE_AUDIO_FRAME_OPERATIONS_H_ | 
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