Asterisk - The Open Source Telephony Project  21.4.1
Macros | Functions | Variables
format_siren7.c File Reference

ITU G.722.1 (Siren7, licensed from Polycom) format, 32kbps bitrate only. More...

#include "asterisk.h"
#include "asterisk/mod_format.h"
#include "asterisk/module.h"
#include "asterisk/endian.h"
#include "asterisk/format_cache.h"

Go to the source code of this file.

Macros

#define BUF_SIZE   80 /* 20 milliseconds == 80 bytes, 320 samples */
 
#define BYTES_TO_SAMPLES(x)   x * (320 / 80)
 
#define SAMPLES_TO_BYTES(x)   x / (320 / 80)
 

Functions

static void __reg_module (void)
 
static void __unreg_module (void)
 
struct ast_moduleAST_MODULE_SELF_SYM (void)
 
static int load_module (void)
 
static struct ast_framesiren7read (struct ast_filestream *s, int *whennext)
 
static int siren7seek (struct ast_filestream *fs, off_t sample_offset, int whence)
 
static off_t siren7tell (struct ast_filestream *fs)
 
static int siren7trunc (struct ast_filestream *fs)
 
static int siren7write (struct ast_filestream *fs, struct ast_frame *f)
 
static int unload_module (void)
 

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "ITU G.722.1 (Siren7, licensed from Polycom)" , .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" , .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND }
 
static const struct ast_module_infoast_module_info = &__mod_info
 
static struct ast_format_def siren7_f
 

Detailed Description

ITU G.722.1 (Siren7, licensed from Polycom) format, 32kbps bitrate only.

Definition in file format_siren7.c.