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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.
*/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_
/*
* Define the fixpoint numeric formats
*/
#include <stddef.h>
#include "webrtc/typedefs.h"
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************
* WebRtcPcm16b_Encode(...)
*
* "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - speech : Input speech vector
* - len : Number of samples in speech vector
*
* Output:
* - encoded : Encoded data vector (big endian 16 bit)
*
* Returned value : Length (in bytes) of coded data.
* Always equal to twice the len input parameter.
*/
size_t WebRtcPcm16b_Encode(const int16_t* speech,
size_t len,
uint8_t* encoded);
/****************************************************************************
* WebRtcPcm16b_Decode(...)
*
* "Decode" a vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - encoded : Encoded data vector (big endian 16 bit)
* - len : Number of bytes in encoded
*
* Output:
* - speech : Decoded speech vector
*
* Returned value : Samples in speech
*/
size_t WebRtcPcm16b_Decode(const uint8_t* encoded,
size_t len,
int16_t* speech);
#ifdef __cplusplus
}
#endif
#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_ */
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