conversion.h 895 B

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  1. /*
  2. * Copyright (c) 2015 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 AUDIO_CONVERSION_H_
  11. #define AUDIO_CONVERSION_H_
  12. namespace webrtc {
  13. // Convert fixed point number with 8 bit fractional part, to floating point.
  14. inline float Q8ToFloat(uint32_t v) {
  15. return static_cast<float>(v) / (1 << 8);
  16. }
  17. // Convert fixed point number with 14 bit fractional part, to floating point.
  18. inline float Q14ToFloat(uint32_t v) {
  19. return static_cast<float>(v) / (1 << 14);
  20. }
  21. } // namespace webrtc
  22. #endif // AUDIO_CONVERSION_H_