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 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. 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
