• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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.
Q8ToFloat(uint32_t v)17 inline float Q8ToFloat(uint32_t v) {
18   return static_cast<float>(v) / (1 << 8);
19 }
20 
21 // Convert fixed point number with 14 bit fractional part, to floating point.
Q14ToFloat(uint32_t v)22 inline float Q14ToFloat(uint32_t v) {
23   return static_cast<float>(v) / (1 << 14);
24 }
25 }  // namespace webrtc
26 
27 #endif  // WEBRTC_AUDIO_CONVERSION_H_
28