diff options
Diffstat (limited to 'webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h')
| -rw-r--r-- | webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h b/webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h deleted file mode 100644 index 3be9142c8c..0000000000 --- a/webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h +++ /dev/null @@ -1,258 +0,0 @@ -/* - * Copyright (c) 2012 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. - */ - -/* - * ilbc.h - * - * This header file contains all of the API's for iLBC. - * - */ - -#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_ILBC_H_ -#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_ILBC_H_ - -#include <stddef.h> - -/* - * Define the fixpoint numeric formats - */ - -#include "webrtc/typedefs.h" - -/* - * Solution to support multiple instances - * Customer has to cast instance to proper type - */ - -typedef struct iLBC_encinst_t_ IlbcEncoderInstance; - -typedef struct iLBC_decinst_t_ IlbcDecoderInstance; - -/* - * Comfort noise constants - */ - -#define ILBC_SPEECH 1 -#define ILBC_CNG 2 - -#ifdef __cplusplus -extern "C" { -#endif - - /**************************************************************************** - * WebRtcIlbcfix_XxxAssign(...) - * - * These functions assigns the encoder/decoder instance to the specified - * memory location - * - * Input: - * - XXX_xxxinst : Pointer to created instance that should be - * assigned - * - ILBCXXX_inst_Addr : Pointer to the desired memory space - * - size : The size that this structure occupies (in Word16) - * - * Return value : 0 - Ok - * -1 - Error - */ - - int16_t WebRtcIlbcfix_EncoderAssign(IlbcEncoderInstance **iLBC_encinst, - int16_t *ILBCENC_inst_Addr, - int16_t *size); - int16_t WebRtcIlbcfix_DecoderAssign(IlbcDecoderInstance **iLBC_decinst, - int16_t *ILBCDEC_inst_Addr, - int16_t *size); - - - /**************************************************************************** - * WebRtcIlbcfix_XxxAssign(...) - * - * These functions create a instance to the specified structure - * - * Input: - * - XXX_inst : Pointer to created instance that should be created - * - * Return value : 0 - Ok - * -1 - Error - */ - - int16_t WebRtcIlbcfix_EncoderCreate(IlbcEncoderInstance **iLBC_encinst); - int16_t WebRtcIlbcfix_DecoderCreate(IlbcDecoderInstance **iLBC_decinst); - - /**************************************************************************** - * WebRtcIlbcfix_XxxFree(...) - * - * These functions frees the dynamic memory of a specified instance - * - * Input: - * - XXX_inst : Pointer to created instance that should be freed - * - * Return value : 0 - Ok - * -1 - Error - */ - - int16_t WebRtcIlbcfix_EncoderFree(IlbcEncoderInstance *iLBC_encinst); - int16_t WebRtcIlbcfix_DecoderFree(IlbcDecoderInstance *iLBC_decinst); - - - /**************************************************************************** - * WebRtcIlbcfix_EncoderInit(...) - * - * This function initializes a iLBC instance - * - * Input: - * - iLBCenc_inst : iLBC instance, i.e. the user that should receive - * be initialized - * - frameLen : The frame length of the codec 20/30 (ms) - * - * Return value : 0 - Ok - * -1 - Error - */ - - int16_t WebRtcIlbcfix_EncoderInit(IlbcEncoderInstance *iLBCenc_inst, - int16_t frameLen); - - /**************************************************************************** - * WebRtcIlbcfix_Encode(...) - * - * This function encodes one iLBC frame. Input speech length has be a - * multiple of the frame length. - * - * Input: - * - iLBCenc_inst : iLBC instance, i.e. the user that should encode - * a package - * - speechIn : Input speech vector - * - len : Samples in speechIn (160, 240, 320 or 480) - * - * Output: - * - encoded : The encoded data vector - * - * Return value : >0 - Length (in bytes) of coded data - * -1 - Error - */ - - int WebRtcIlbcfix_Encode(IlbcEncoderInstance *iLBCenc_inst, - const int16_t *speechIn, - size_t len, - uint8_t* encoded); - - /**************************************************************************** - * WebRtcIlbcfix_DecoderInit(...) - * - * This function initializes a iLBC instance with either 20 or 30 ms frames - * Alternatively the WebRtcIlbcfix_DecoderInit_XXms can be used. Then it's - * not needed to specify the frame length with a variable. - * - * Input: - * - IlbcDecoderInstance : iLBC decoder instance - * - frameLen : The frame length of the codec 20/30 (ms) - * - * Return value : 0 - Ok - * -1 - Error - */ - - int16_t WebRtcIlbcfix_DecoderInit(IlbcDecoderInstance *iLBCdec_inst, - int16_t frameLen); - void WebRtcIlbcfix_DecoderInit20Ms(IlbcDecoderInstance* iLBCdec_inst); - void WebRtcIlbcfix_Decoderinit30Ms(IlbcDecoderInstance* iLBCdec_inst); - - /**************************************************************************** - * WebRtcIlbcfix_Decode(...) - * - * This function decodes a packet with iLBC frame(s). Output speech length - * will be a multiple of 160 or 240 samples ((160 or 240)*frames/packet). - * - * Input: - * - iLBCdec_inst : iLBC instance, i.e. the user that should decode - * a packet - * - encoded : Encoded iLBC frame(s) - * - len : Bytes in encoded vector - * - * Output: - * - decoded : The decoded vector - * - speechType : 1 normal, 2 CNG - * - * Return value : >0 - Samples in decoded vector - * -1 - Error - */ - - int WebRtcIlbcfix_Decode(IlbcDecoderInstance* iLBCdec_inst, - const uint8_t* encoded, - size_t len, - int16_t* decoded, - int16_t* speechType); - int WebRtcIlbcfix_Decode20Ms(IlbcDecoderInstance* iLBCdec_inst, - const uint8_t* encoded, - size_t len, - int16_t* decoded, - int16_t* speechType); - int WebRtcIlbcfix_Decode30Ms(IlbcDecoderInstance* iLBCdec_inst, - const uint8_t* encoded, - size_t len, - int16_t* decoded, - int16_t* speechType); - - /**************************************************************************** - * WebRtcIlbcfix_DecodePlc(...) - * - * This function conducts PLC for iLBC frame(s). Output speech length - * will be a multiple of 160 or 240 samples. - * - * Input: - * - iLBCdec_inst : iLBC instance, i.e. the user that should perform - * a PLC - * - noOfLostFrames : Number of PLC frames to produce - * - * Output: - * - decoded : The "decoded" vector - * - * Return value : Samples in decoded PLC vector - */ - - size_t WebRtcIlbcfix_DecodePlc(IlbcDecoderInstance *iLBCdec_inst, - int16_t *decoded, - size_t noOfLostFrames); - - /**************************************************************************** - * WebRtcIlbcfix_NetEqPlc(...) - * - * This function updates the decoder when a packet loss has occured, but it - * does not produce any PLC data. Function can be used if another PLC method - * is used (i.e NetEq). - * - * Input: - * - iLBCdec_inst : iLBC instance that should be updated - * - noOfLostFrames : Number of lost frames - * - * Output: - * - decoded : The "decoded" vector (nothing in this case) - * - * Return value : Samples in decoded PLC vector - */ - - size_t WebRtcIlbcfix_NetEqPlc(IlbcDecoderInstance *iLBCdec_inst, - int16_t *decoded, - size_t noOfLostFrames); - - /**************************************************************************** - * WebRtcIlbcfix_version(...) - * - * This function returns the version number of iLBC - * - * Output: - * - version : Version number of iLBC (maximum 20 char) - */ - - void WebRtcIlbcfix_version(char *version); - -#ifdef __cplusplus -} -#endif - -#endif |