common.h 1014 B

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  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. #ifndef MODULES_AUDIO_PROCESSING_COMMON_H_
  11. #define MODULES_AUDIO_PROCESSING_COMMON_H_
  12. #include "modules/audio_processing/include/audio_processing.h"
  13. #include "rtc_base/checks.h"
  14. namespace webrtc {
  15. static inline size_t ChannelsFromLayout(AudioProcessing::ChannelLayout layout) {
  16. switch (layout) {
  17. case AudioProcessing::kMono:
  18. case AudioProcessing::kMonoAndKeyboard:
  19. return 1;
  20. case AudioProcessing::kStereo:
  21. case AudioProcessing::kStereoAndKeyboard:
  22. return 2;
  23. }
  24. RTC_NOTREACHED();
  25. return 0;
  26. }
  27. } // namespace webrtc
  28. #endif // MODULES_AUDIO_PROCESSING_COMMON_H_