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