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 AUDIO_CONVERSION_H_
12 #define 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 // AUDIO_CONVERSION_H_
28