Asterisk - The Open Source Telephony Project GIT-master-0bf3178
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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 More... | |
struct ast_module * | AST_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 More... | |
static int | unload_module (void) |
standard module glue More... | |
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 = AST_BUILDOPT_SUM, .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_info * | ast_module_info = &__mod_info |
static unsigned char | mu2a [256] |
static struct ast_translator | ulawtoalaw |
codec_a_mu.c - translate between alaw and ulaw directly
Definition in file codec_a_mu.c.
#define BUFFER_SAMPLES 8000 /* size for the translation buffers */ |
Definition at line 38 of file codec_a_mu.c.
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Definition at line 150 of file codec_a_mu.c.
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Definition at line 150 of file codec_a_mu.c.
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convert frame data and store into the buffer
Definition at line 48 of file codec_a_mu.c.
References a2mu, ast_frame::data, ast_trans_pvt::datalen, ast_trans_pvt::outbuf, ast_frame::ptr, ast_frame::samples, ast_trans_pvt::samples, and ast_trans_pvt::uc.
struct ast_module * AST_MODULE_SELF_SYM | ( | void | ) |
Definition at line 150 of file codec_a_mu.c.
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Definition at line 129 of file codec_a_mu.c.
References a2mu, alawtoulaw, AST_ALAW, AST_LIN2A, AST_LIN2MU, AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, AST_MULAW, ast_register_translator, mu2a, ulawtoalaw, and unload_module().
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convert frame data and store into the buffer
Definition at line 64 of file codec_a_mu.c.
References ast_frame::data, ast_trans_pvt::datalen, mu2a, ast_trans_pvt::outbuf, ast_frame::ptr, ast_frame::samples, ast_trans_pvt::samples, and ast_trans_pvt::uc.
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standard module glue
Definition at line 119 of file codec_a_mu.c.
References alawtoulaw, ast_unregister_translator(), and ulawtoalaw.
Referenced by load_module().
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Definition at line 150 of file codec_a_mu.c.
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Definition at line 41 of file codec_a_mu.c.
Referenced by alawtoulaw_framein(), and load_module().
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Definition at line 79 of file codec_a_mu.c.
Referenced by load_module(), and unload_module().
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Definition at line 150 of file codec_a_mu.c.
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Definition at line 40 of file codec_a_mu.c.
Referenced by load_module(), and ulawtoalaw_framein().
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Definition at line 98 of file codec_a_mu.c.
Referenced by load_module(), and unload_module().