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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_MAIN_INTERFACE_PCM16B_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
/*
* Define the fixpoint numeric formats
*/
#include "webrtc/typedefs.h"
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************
* WebRtcPcm16b_EncodeW16(...)
*
* "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - speechIn16b : Input speech vector
* - length_samples : Number of samples in speech vector
*
* Output:
* - speechOut16b : Encoded data vector (big endian 16 bit)
*
* Returned value : Size in bytes of speechOut16b
*/
int16_t WebRtcPcm16b_EncodeW16(const int16_t* speechIn16b,
int16_t length_samples,
int16_t* speechOut16b);
/****************************************************************************
* WebRtcPcm16b_Encode(...)
*
* "Encode" a sample vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - speech16b : Input speech vector
* - len : Number of samples in speech vector
*
* Output:
* - speech8b : Encoded data vector (big endian 16 bit)
*
* Returned value : Size in bytes of speech8b
*/
int16_t WebRtcPcm16b_Encode(int16_t *speech16b,
int16_t len,
unsigned char *speech8b);
/****************************************************************************
* WebRtcPcm16b_DecodeW16(...)
*
* "Decode" a vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - speechIn16b : Encoded data vector (big endian 16 bit)
* - length_bytes : Number of bytes in speechIn16b
*
* Output:
* - speechOut16b : Decoded speech vector
*
* Returned value : Samples in speechOut16b
*/
int16_t WebRtcPcm16b_DecodeW16(int16_t *speechIn16b,
int16_t length_bytes,
int16_t *speechOut16b,
int16_t* speechType);
/****************************************************************************
* WebRtcPcm16b_Decode(...)
*
* "Decode" a vector to 16 bit linear (Encoded standard is big endian)
*
* Input:
* - speech8b : Encoded data vector (big endian 16 bit)
* - len : Number of bytes in speech8b
*
* Output:
* - speech16b : Decoded speech vector
*
* Returned value : Samples in speech16b
*/
int16_t WebRtcPcm16b_Decode(unsigned char *speech8b,
int16_t len,
int16_t *speech16b);
#ifdef __cplusplus
}
#endif
#endif /* PCM16B */
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