| Fredrik Solenberg | 4f4ec0a | 2015-10-22 10:49:27 +0200 | [diff] [blame] | 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 | |
| Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 11 | #ifndef AUDIO_CONVERSION_H_ |
| 12 | #define AUDIO_CONVERSION_H_ |
| Fredrik Solenberg | 4f4ec0a | 2015-10-22 10:49:27 +0200 | [diff] [blame] | 13 | |
| 14 | namespace webrtc { |
| 15 | |
| solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 16 | // Convert fixed point number with 8 bit fractional part, to floating point. |
| 17 | inline float Q8ToFloat(uint32_t v) { |
| 18 | return static_cast<float>(v) / (1 << 8); |
| 19 | } |
| 20 | |
| Fredrik Solenberg | 4f4ec0a | 2015-10-22 10:49:27 +0200 | [diff] [blame] | 21 | // Convert fixed point number with 14 bit fractional part, to floating point. |
| solenberg | 85a0496 | 2015-10-27 03:35:21 -0700 | [diff] [blame] | 22 | inline float Q14ToFloat(uint32_t v) { |
| Fredrik Solenberg | 4f4ec0a | 2015-10-22 10:49:27 +0200 | [diff] [blame] | 23 | return static_cast<float>(v) / (1 << 14); |
| 24 | } |
| 25 | } // namespace webrtc |
| 26 | |
| Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 27 | #endif // AUDIO_CONVERSION_H_ |