#include "asterisk.h"
#include "asterisk/linkedlists.h"
#include "asterisk/module.h"
#include "asterisk/config.h"
#include "asterisk/translate.h"
#include "asterisk/utils.h"
#include "g722/g722.h"
#include "asterisk/slin.h"
#include "ex_g722.h"
Go to the source code of this file.
Data Structures | |
struct | g722_decoder_pvt |
struct | g722_encoder_pvt |
Defines | |
#define | BUF_SHIFT 5 |
#define | BUFFER_SAMPLES 8096 |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | g722tolin16_new (struct ast_trans_pvt *pvt) |
static int | g722tolin_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
static int | g722tolin_new (struct ast_trans_pvt *pvt) |
init a new instance of g722_encoder_pvt. | |
static int | lin16tog722_new (struct ast_trans_pvt *pvt) |
static int | lintog722_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
static int | lintog722_new (struct ast_trans_pvt *pvt) |
init a new instance of g722_encoder_pvt. | |
static int | load_module (void) |
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 = "ITU G.722-64kbps G722 Transcoder" , .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 = "88eaa8f5c1bd988bedd71113385e0886" , .load = load_module, .unload = unload_module, .reload = reload, } |
static struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_translator | g722tolin |
static struct ast_translator | g722tolin16 |
static struct ast_translator | lin16tog722 |
static struct ast_translator | lintog722 |
Russell Bryant <russell@digium.com>
Definition in file codec_g722.c.
#define BUF_SHIFT 5 |
Definition at line 51 of file codec_g722.c.
#define BUFFER_SAMPLES 8096 |
Definition at line 50 of file codec_g722.c.
static void __reg_module | ( | void | ) | [static] |
Definition at line 225 of file codec_g722.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 225 of file codec_g722.c.
static int g722tolin16_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 96 of file codec_g722.c.
References g722_decoder_pvt::g722, and ast_trans_pvt::pvt.
00097 { 00098 struct g722_decoder_pvt *tmp = pvt->pvt; 00099 00100 g722_decode_init(&tmp->g722, 64000, 0); 00101 00102 return 0; 00103 }
static int g722tolin_framein | ( | struct ast_trans_pvt * | pvt, | |
struct ast_frame * | f | |||
) | [static] |
Definition at line 105 of file codec_g722.c.
References ast_trans_pvt::datalen, f, g722_decoder_pvt::g722, ast_trans_pvt::i16, ast_trans_pvt::outbuf, ast_trans_pvt::pvt, and ast_trans_pvt::samples.
00106 { 00107 struct g722_decoder_pvt *tmp = pvt->pvt; 00108 int out_samples; 00109 int in_samples; 00110 00111 /* g722_decode expects the samples to be in the invalid samples / 2 format */ 00112 in_samples = f->samples / 2; 00113 00114 out_samples = g722_decode(&tmp->g722, &pvt->outbuf.i16[pvt->samples * sizeof(int16_t)], 00115 (uint8_t *) f->data.ptr, in_samples); 00116 00117 pvt->samples += out_samples; 00118 00119 pvt->datalen += (out_samples * sizeof(int16_t)); 00120 00121 return 0; 00122 }
static int g722tolin_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
init a new instance of g722_encoder_pvt.
Definition at line 87 of file codec_g722.c.
References g722_decoder_pvt::g722, and ast_trans_pvt::pvt.
00088 { 00089 struct g722_decoder_pvt *tmp = pvt->pvt; 00090 00091 g722_decode_init(&tmp->g722, 64000, G722_SAMPLE_RATE_8000); 00092 00093 return 0; 00094 }
static int lin16tog722_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 77 of file codec_g722.c.
References g722_encoder_pvt::g722, and ast_trans_pvt::pvt.
00078 { 00079 struct g722_encoder_pvt *tmp = pvt->pvt; 00080 00081 g722_encode_init(&tmp->g722, 64000, 0); 00082 00083 return 0; 00084 }
static int lintog722_framein | ( | struct ast_trans_pvt * | pvt, | |
struct ast_frame * | f | |||
) | [static] |
Definition at line 124 of file codec_g722.c.
References ast_trans_pvt::datalen, f, g722_encoder_pvt::g722, ast_trans_pvt::outbuf, ast_trans_pvt::pvt, ast_trans_pvt::samples, and ast_trans_pvt::ui8.
00125 { 00126 struct g722_encoder_pvt *tmp = pvt->pvt; 00127 int outlen; 00128 00129 outlen = g722_encode(&tmp->g722, (&pvt->outbuf.ui8[pvt->datalen]), 00130 (int16_t *) f->data.ptr, f->samples); 00131 00132 pvt->samples += outlen * 2; 00133 00134 pvt->datalen += outlen; 00135 00136 return 0; 00137 }
static int lintog722_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
init a new instance of g722_encoder_pvt.
Definition at line 68 of file codec_g722.c.
References g722_encoder_pvt::g722, and ast_trans_pvt::pvt.
00069 { 00070 struct g722_encoder_pvt *tmp = pvt->pvt; 00071 00072 g722_encode_init(&tmp->g722, 64000, G722_SAMPLE_RATE_8000); 00073 00074 return 0; 00075 }
static int load_module | ( | void | ) | [static] |
Definition at line 204 of file codec_g722.c.
References AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_register_translator, g722tolin, g722tolin16, lin16tog722, lintog722, and unload_module.
00205 { 00206 int res = 0; 00207 00208 res |= ast_register_translator(&g722tolin); 00209 res |= ast_register_translator(&lintog722); 00210 res |= ast_register_translator(&g722tolin16); 00211 res |= ast_register_translator(&lin16tog722); 00212 00213 if (res) { 00214 unload_module(); 00215 return AST_MODULE_LOAD_FAILURE; 00216 } 00217 00218 return AST_MODULE_LOAD_SUCCESS; 00219 }
static int reload | ( | void | ) | [static] |
Definition at line 187 of file codec_g722.c.
References AST_MODULE_LOAD_SUCCESS.
00188 { 00189 return AST_MODULE_LOAD_SUCCESS; 00190 }
static int unload_module | ( | void | ) | [static] |
Definition at line 192 of file codec_g722.c.
References ast_unregister_translator(), g722tolin, g722tolin16, lin16tog722, and lintog722.
00193 { 00194 int res = 0; 00195 00196 res |= ast_unregister_translator(&g722tolin); 00197 res |= ast_unregister_translator(&lintog722); 00198 res |= ast_unregister_translator(&g722tolin16); 00199 res |= ast_unregister_translator(&lin16tog722); 00200 00201 return res; 00202 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "ITU G.722-64kbps G722 Transcoder" , .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 = "88eaa8f5c1bd988bedd71113385e0886" , .load = load_module, .unload = unload_module, .reload = reload, } [static] |
Definition at line 225 of file codec_g722.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 225 of file codec_g722.c.
struct ast_translator g722tolin [static] |
struct ast_translator g722tolin16 [static] |
struct ast_translator lin16tog722 [static] |
struct ast_translator lintog722 [static] |