2acec4cc32
R=kwiberg@webrtc.org Review URL: https://webrtc-codereview.appspot.com/34309004 Cr-Commit-Position: refs/heads/master@{#8461} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8461 4adac7df-926f-26a2-2b94-8c16560cd09d
67 lines
2.0 KiB
C
67 lines
2.0 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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#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
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#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
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/*
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* Define the fixpoint numeric formats
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*/
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#include "webrtc/typedefs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/****************************************************************************
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* WebRtcPcm16b_Encode(...)
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*
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* "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
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*
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* Input:
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* - speech : Input speech vector
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* - len : Number of samples in speech vector
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*
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* Output:
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* - encoded : Encoded data vector (big endian 16 bit)
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*
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* Returned value : Length (in bytes) of coded data.
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* Always equal to twice the len input parameter.
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*/
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int16_t WebRtcPcm16b_Encode(const int16_t* speech,
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int16_t len,
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uint8_t* encoded);
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/****************************************************************************
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* WebRtcPcm16b_Decode(...)
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*
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* "Decode" a vector to 16 bit linear (Encoded standard is big endian)
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*
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* Input:
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* - encoded : Encoded data vector (big endian 16 bit)
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* - len : Number of bytes in encoded
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*
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* Output:
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* - speech : Decoded speech vector
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*
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* Returned value : Samples in speech
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*/
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int16_t WebRtcPcm16b_Decode(const uint8_t* encoded,
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int16_t len,
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int16_t* speech);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PCM16B */
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