Translate between signed linear and LPC10 (Linear Predictor Code) More...
#include "asterisk.h"
#include "asterisk/translate.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/utils.h"
#include "lpc10/lpc10.h"
#include "asterisk/slin.h"
#include "ex_lpc10.h"
Go to the source code of this file.
Data Structures | |
struct | lpc10_coder_pvt |
Macros | |
#define | BUFFER_SAMPLES 8000 |
#define | LPC10_BYTES_IN_COMPRESSED_FRAME (LPC10_BITS_IN_COMPRESSED_FRAME + 7)/8 |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static void | build_bits (unsigned char *c, INT32 *bits) |
static void | extract_bits (INT32 *bits, unsigned char *c) |
static int | lintolpc10_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
static struct ast_frame * | lintolpc10_frameout (struct ast_trans_pvt *pvt) |
static int | load_module (void) |
static int | lpc10_dec_new (struct ast_trans_pvt *pvt) |
static void | lpc10_destroy (struct ast_trans_pvt *arg) |
static int | lpc10_enc_new (struct ast_trans_pvt *pvt) |
static int | lpc10tolin_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
static int | reload (void) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "LPC10 2.4kbps 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 = "ac1f6a56484a8820659555499174e588" , .load = load_module, .unload = unload_module, .reload = reload, } |
static struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_translator | lintolpc10 |
static struct ast_translator | lpc10tolin |
Translate between signed linear and LPC10 (Linear Predictor Code)
Definition in file codec_lpc10.c.
#define BUFFER_SAMPLES 8000 |
Definition at line 56 of file codec_lpc10.c.
Referenced by lintolpc10_framein(), and lpc10tolin_framein().
#define LPC10_BYTES_IN_COMPRESSED_FRAME (LPC10_BITS_IN_COMPRESSED_FRAME + 7)/8 |
Definition at line 54 of file codec_lpc10.c.
Referenced by lintolpc10_frameout(), and lpc10tolin_framein().
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Definition at line 259 of file codec_lpc10.c.
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Definition at line 259 of file codec_lpc10.c.
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Definition at line 96 of file codec_lpc10.c.
Referenced by lintolpc10_frameout().
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Definition at line 82 of file codec_lpc10.c.
Referenced by lpc10tolin_framein().
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Definition at line 146 of file codec_lpc10.c.
References ast_log(), lpc10_coder_pvt::buf, BUFFER_SAMPLES, ast_frame::data, ast_frame::datalen, LOG_WARNING, ast_frame::ptr, ast_trans_pvt::pvt, ast_trans_pvt::samples, and ast_frame::samples.
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Definition at line 160 of file codec_lpc10.c.
References ast_trans_frameout(), lpc10_coder_pvt::buf, build_bits(), lpc10_coder_pvt::enc, lpc10_coder_pvt::longer, lpc10_coder_pvt::lpc10, LPC10_BYTES_IN_COMPRESSED_FRAME, ast_trans_pvt::outbuf, ast_trans_pvt::pvt, ast_trans_pvt::samples, and ast_trans_pvt::uc.
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Definition at line 241 of file codec_lpc10.c.
References AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_register_translator, and ast_unregister_translator().
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Definition at line 75 of file codec_lpc10.c.
References lpc10_coder_pvt::dec, lpc10_coder_pvt::lpc10, and ast_trans_pvt::pvt.
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Definition at line 191 of file codec_lpc10.c.
References ast_free, lpc10_coder_pvt::enc, lpc10_coder_pvt::lpc10, and ast_trans_pvt::pvt.
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Definition at line 68 of file codec_lpc10.c.
References lpc10_coder_pvt::enc, lpc10_coder_pvt::lpc10, and ast_trans_pvt::pvt.
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Definition at line 113 of file codec_lpc10.c.
References ast_log(), BUFFER_SAMPLES, ast_frame::data, ast_trans_pvt::datalen, ast_frame::datalen, lpc10_coder_pvt::dec, extract_bits(), ast_trans_pvt::i16, len(), LOG_WARNING, lpc10_coder_pvt::lpc10, LPC10_BYTES_IN_COMPRESSED_FRAME, ast_trans_pvt::outbuf, ast_frame::ptr, ast_trans_pvt::pvt, and ast_trans_pvt::samples.
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Definition at line 225 of file codec_lpc10.c.
References AST_MODULE_LOAD_SUCCESS.
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Definition at line 231 of file codec_lpc10.c.
References ast_unregister_translator().
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Definition at line 259 of file codec_lpc10.c.
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Definition at line 259 of file codec_lpc10.c.
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Definition at line 211 of file codec_lpc10.c.
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Definition at line 198 of file codec_lpc10.c.