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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_AUDIO_CONVERSION_H_ | 11 #ifndef WEBRTC_AUDIO_CONVERSION_H_ |
12 #define WEBRTC_AUDIO_CONVERSION_H_ | 12 #define WEBRTC_AUDIO_CONVERSION_H_ |
13 | 13 |
14 namespace webrtc { | 14 namespace webrtc { |
15 | 15 |
| 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 |
16 // Convert fixed point number with 14 bit fractional part, to floating point. | 21 // Convert fixed point number with 14 bit fractional part, to floating point. |
17 inline float Q14ToFloat(uint16_t v) { | 22 inline float Q14ToFloat(uint32_t v) { |
18 return static_cast<float>(v) / (1 << 14); | 23 return static_cast<float>(v) / (1 << 14); |
19 } | 24 } |
20 } // namespace webrtc | 25 } // namespace webrtc |
21 | 26 |
22 #endif // WEBRTC_AUDIO_CONVERSION_H_ | 27 #endif // WEBRTC_AUDIO_CONVERSION_H_ |
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