64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/*
|
|
* 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 MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_
|
|
#define MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_
|
|
/*
|
|
* Define the fixpoint numeric formats
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.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 /* MODULES_AUDIO_CODING_CODECS_PCM16B_PCM16B_H_ */
|