Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
       3             :  *
       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
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_COMMON_H_
      12             : #define WEBRTC_MODULES_AUDIO_PROCESSING_COMMON_H_
      13             : 
      14             : #include "webrtc/base/checks.h"
      15             : #include "webrtc/modules/audio_processing/include/audio_processing.h"
      16             : 
      17             : namespace webrtc {
      18             : 
      19           0 : static inline size_t ChannelsFromLayout(AudioProcessing::ChannelLayout layout) {
      20           0 :   switch (layout) {
      21             :     case AudioProcessing::kMono:
      22             :     case AudioProcessing::kMonoAndKeyboard:
      23           0 :       return 1;
      24             :     case AudioProcessing::kStereo:
      25             :     case AudioProcessing::kStereoAndKeyboard:
      26           0 :       return 2;
      27             :   }
      28           0 :   RTC_NOTREACHED();
      29           0 :   return 0;
      30             : }
      31             : 
      32             : }  // namespace webrtc
      33             : 
      34             : #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_COMMON_H_