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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* This header file contains some internal resampling functions.
*
*/
#ifndef COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_
#define COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_
#include <stdint.h>
/*******************************************************************
* resample_by_2_fast.c
* Functions for internal use in the other resample functions
******************************************************************/
void WebRtcSpl_DownBy2IntToShort(int32_t* in,
int32_t len,
int16_t* out,
int32_t* state);
void WebRtcSpl_DownBy2ShortToInt(const int16_t* in,
int32_t len,
int32_t* out,
int32_t* state);
void WebRtcSpl_UpBy2ShortToInt(const int16_t* in,
int32_t len,
int32_t* out,
int32_t* state);
void WebRtcSpl_UpBy2IntToInt(const int32_t* in,
int32_t len,
int32_t* out,
int32_t* state);
void WebRtcSpl_UpBy2IntToShort(const int32_t* in,
int32_t len,
int16_t* out,
int32_t* state);
void WebRtcSpl_LPBy2ShortToInt(const int16_t* in,
int32_t len,
int32_t* out,
int32_t* state);
void WebRtcSpl_LPBy2IntToInt(const int32_t* in,
int32_t len,
int32_t* out,
int32_t* state);
#endif // COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_
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