Asterisk - The Open Source Telephony Project  21.4.1
Macros | Functions | Variables
codec_a_mu.c File Reference

codec_a_mu.c - translate between alaw and ulaw directly More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/alaw.h"
#include "asterisk/ulaw.h"
#include "asterisk/utils.h"
#include "ex_ulaw.h"
#include "ex_alaw.h"

Go to the source code of this file.

Macros

#define BUFFER_SAMPLES   8000 /* size for the translation buffers */
 

Functions

static void __reg_module (void)
 
static void __unreg_module (void)
 
static int alawtoulaw_framein (struct ast_trans_pvt *pvt, struct ast_frame *f)
 convert frame data and store into the buffer
 
struct ast_moduleAST_MODULE_SELF_SYM (void)
 
static int load_module (void)
 
static int ulawtoalaw_framein (struct ast_trans_pvt *pvt, struct ast_frame *f)
 convert frame data and store into the buffer
 
static int unload_module (void)
 standard module glue
 

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "A-law and Mulaw direct 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 unsigned char a2mu [256]
 
static struct ast_translator alawtoulaw
 
static const struct ast_module_infoast_module_info = &__mod_info
 
static unsigned char mu2a [256]
 
static struct ast_translator ulawtoalaw
 

Detailed Description

codec_a_mu.c - translate between alaw and ulaw directly

Definition in file codec_a_mu.c.