1 /* 2 * Copyright (c) 2012 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 // Header file including the delay estimator handle used for testing. 12 13 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_UTILITY_DELAY_ESTIMATOR_INTERNAL_H_ 14 #define WEBRTC_MODULES_AUDIO_PROCESSING_UTILITY_DELAY_ESTIMATOR_INTERNAL_H_ 15 16 #include "webrtc/modules/audio_processing/utility/delay_estimator.h" 17 #include "webrtc/typedefs.h" 18 19 typedef union { 20 float float_; 21 int32_t int32_; 22 } SpectrumType; 23 24 typedef struct { 25 // Pointers to mean values of spectrum. 26 SpectrumType* mean_far_spectrum; 27 // |mean_far_spectrum| initialization indicator. 28 int far_spectrum_initialized; 29 30 int spectrum_size; 31 32 // Far-end part of binary spectrum based delay estimation. 33 BinaryDelayEstimatorFarend* binary_farend; 34 } DelayEstimatorFarend; 35 36 typedef struct { 37 // Pointers to mean values of spectrum. 38 SpectrumType* mean_near_spectrum; 39 // |mean_near_spectrum| initialization indicator. 40 int near_spectrum_initialized; 41 42 int spectrum_size; 43 44 // Binary spectrum based delay estimator 45 BinaryDelayEstimator* binary_handle; 46 } DelayEstimator; 47 48 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_UTILITY_DELAY_ESTIMATOR_INTERNAL_H_ 49