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107 lines
3.1 KiB
C
107 lines
3.1 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 "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_EncodeW16(...)
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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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* - speechIn16b : Input speech vector
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* - length_samples : Number of samples in speech vector
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*
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* Output:
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* - speechOut16b : Encoded data vector (big endian 16 bit)
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*
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* Returned value : Size in bytes of speechOut16b
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*/
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int16_t WebRtcPcm16b_EncodeW16(const int16_t* speechIn16b,
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int16_t length_samples,
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int16_t* speechOut16b);
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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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* - speech16b : 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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* - speech8b : Encoded data vector (big endian 16 bit)
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*
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* Returned value : Size in bytes of speech8b
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*/
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int16_t WebRtcPcm16b_Encode(int16_t *speech16b,
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int16_t len,
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unsigned char *speech8b);
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/****************************************************************************
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* WebRtcPcm16b_DecodeW16(...)
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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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* - speechIn16b : Encoded data vector (big endian 16 bit)
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* - length_bytes : Number of bytes in speechIn16b
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*
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* Output:
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* - speechOut16b : Decoded speech vector
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*
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* Returned value : Samples in speechOut16b
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*/
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int16_t WebRtcPcm16b_DecodeW16(void *inst,
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int16_t *speechIn16b,
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int16_t length_bytes,
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int16_t *speechOut16b,
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int16_t* speechType);
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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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* - speech8b : Encoded data vector (big endian 16 bit)
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* - len : Number of bytes in speech8b
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*
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* Output:
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* - speech16b : Decoded speech vector
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*
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* Returned value : Samples in speech16b
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*/
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int16_t WebRtcPcm16b_Decode(unsigned char *speech8b,
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int16_t len,
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int16_t *speech16b);
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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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