Line data    Source code

       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             : 
      11             : #ifndef WEBRTC_AUDIO_CONVERSION_H_
      12             : #define WEBRTC_AUDIO_CONVERSION_H_
      13             : 
      14             : namespace webrtc {
      15             : 
      16             : // Convert fixed point number with 8 bit fractional part, to floating point.
      17           0 : inline float Q8ToFloat(uint32_t v) {
      18           0 :   return static_cast<float>(v) / (1 << 8);
      19             : }
      20             : 
      21             : // Convert fixed point number with 14 bit fractional part, to floating point.
      22           0 : inline float Q14ToFloat(uint32_t v) {
      23           0 :   return static_cast<float>(v) / (1 << 14);
      24             : }
      25             : }  // namespace webrtc
      26             : 
      27             : #endif  // WEBRTC_AUDIO_CONVERSION_H_