Asterisk - The Open Source Telephony Project
21.4.1
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Translate between signed linear and Codec 2. More...
#include "asterisk.h"
#include "asterisk/codec.h"
#include "asterisk/frame.h"
#include "asterisk/linkedlists.h"
#include "asterisk/logger.h"
#include "asterisk/module.h"
#include "asterisk/rtp_engine.h"
#include "asterisk/translate.h"
#include <codec2/codec2.h>
#include "asterisk/slin.h"
#include "ex_codec2.h"
Go to the source code of this file.
Data Structures | |
struct | codec2_translator_pvt |
Macros | |
#define | BUFFER_SAMPLES 8000 |
#define | CODEC2_FRAME_LEN 6 /* consider codec2_bits_per_frame(.) */ |
#define | CODEC2_SAMPLES 160 /* consider codec2_samples_per_frame(.) */ |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
struct ast_module * | AST_MODULE_SELF_SYM (void) |
static void | codec2_destroy_stuff (struct ast_trans_pvt *pvt) |
static int | codec2_new (struct ast_trans_pvt *pvt) |
static int | codec2tolin_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
decode and store in outbuf. | |
static int | lintocodec2_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
store samples into working buffer for later decode | |
static struct ast_frame * | lintocodec2_frameout (struct ast_trans_pvt *pvt) |
encode and produce a frame | |
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 = "Codec 2 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_info * | ast_module_info = &__mod_info |
static struct ast_translator | codec2tolin |
static struct ast_translator | lintocodec2 |
Translate between signed linear and Codec 2.
Definition in file codec_codec2.c.