64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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/*
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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 MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_
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#define MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_
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/*
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* Define the fixpoint numeric formats
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*/
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#include <stddef.h>
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#include <stdint.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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size_t WebRtcPcm16b_Encode(const int16_t* speech, size_t len, 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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size_t WebRtcPcm16b_Decode(const uint8_t* encoded, size_t len, int16_t* speech);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_ */
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