Asterisk - The Open Source Telephony Project  21.4.1
Data Structures | Macros | Typedefs | Functions | Variables
codec_ilbc.c File Reference

Translate between signed linear and Internet Low Bitrate Codec. More...

#include "asterisk.h"
#include "asterisk/codec.h"
#include "asterisk/format.h"
#include "asterisk/frame.h"
#include "asterisk/linkedlists.h"
#include "asterisk/logger.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "ilbc/iLBC_encode.h"
#include "ilbc/iLBC_decode.h"
#include "asterisk/ilbc.h"
#include "asterisk/slin.h"
#include "ex_ilbc.h"

Go to the source code of this file.

Data Structures

struct  ilbc_coder_pvt
 

Macros

#define BUF_TYPE   uc
 
#define BUFFER_SAMPLES   8000
 
#define USE_ILBC_ENHANCER   0
 

Typedefs

typedef float ilbc_block
 
typedef unsigned char ilbc_bytes
 

Functions

static void __reg_module (void)
 
static void __unreg_module (void)
 
struct ast_moduleAST_MODULE_SELF_SYM (void)
 
static int ilbctolin_framein (struct ast_trans_pvt *pvt, struct ast_frame *f)
 decode a frame and store in outbuf
 
static int ilbctolin_new (struct ast_trans_pvt *pvt)
 
static int lintoilbc_framein (struct ast_trans_pvt *pvt, struct ast_frame *f)
 store a frame into a temporary buffer, for later decoding
 
static struct ast_framelintoilbc_frameout (struct ast_trans_pvt *pvt)
 encode the temporary buffer and generate a frame
 
static int lintoilbc_new (struct ast_trans_pvt *pvt)
 
static int load_module (void)
 
static int unload_module (void)
 

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "iLBC Coder/Decoder" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "da6642af068ee5e6490c5b1d2cc1d238" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
 
static const struct ast_module_infoast_module_info = &__mod_info
 
static struct ast_translator ilbctolin
 
static struct ast_translator lintoilbc
 

Detailed Description

Translate between signed linear and Internet Low Bitrate Codec.

Definition in file codec_ilbc.c.