#include "asterisk.h"
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <netinet/in.h>
#include <string.h>
#include <stdio.h>
#include <speex/speex.h>
#include "asterisk/lock.h"
#include "asterisk/translate.h"
#include "asterisk/module.h"
#include "asterisk/config.h"
#include "asterisk/options.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/utils.h"
#include "slin_speex_ex.h"
#include "speex_slin_ex.h"
Go to the source code of this file.
Data Structures | |
struct | speex_coder_pvt |
Defines | |
#define | BUFFER_SAMPLES 8000 |
#define | SPEEX_SAMPLES 160 |
#define | TYPE_HIGH 0x0 |
#define | TYPE_LOW 0x1 |
#define | TYPE_MASK 0x3 |
#define | TYPE_SILENCE 0x2 |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static void | lintospeex_destroy (struct ast_trans_pvt *arg) |
static int | lintospeex_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
store input frame in work buffer | |
static struct ast_frame * | lintospeex_frameout (struct ast_trans_pvt *pvt) |
convert work buffer and produce output frame | |
static int | lintospeex_new (struct ast_trans_pvt *pvt) |
static struct ast_frame * | lintospeex_sample (void) |
static int | load_module (void) |
static void | parse_config (void) |
static int | reload (void) |
static void | speextolin_destroy (struct ast_trans_pvt *arg) |
static int | speextolin_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
convert and store into outbuf | |
static int | speextolin_new (struct ast_trans_pvt *pvt) |
static struct ast_frame * | speextolin_sample (void) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT | AST_MODFLAG_BUILDSUM, .description = "Speex 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 = "361d7bb937402d51e4658efb5b4d76e4" , .load = load_module, .unload = unload_module, .reload = reload, } |
static int | abr = 0 |
static const struct ast_module_info * | ast_module_info = &__mod_info |
static int | complexity = 2 |
static int | dtx = 0 |
static int | enhancement = 0 |
static struct ast_translator | lintospeex |
static int | pp_agc = 0 |
static float | pp_agc_level = 8000 |
static int | pp_denoise = 0 |
static int | pp_dereverb = 0 |
static float | pp_dereverb_decay = 0.4 |
static float | pp_dereverb_level = 0.3 |
static int | pp_vad = 0 |
static int | preproc = 0 |
static int | quality = 3 |
static struct ast_translator | speextolin |
static int | vad = 0 |
static int | vbr = 0 |
static float | vbr_quality = 4 |
Definition in file codec_speex.c.
#define BUFFER_SAMPLES 8000 |
Definition at line 91 of file codec_speex.c.
#define SPEEX_SAMPLES 160 |
#define TYPE_HIGH 0x0 |
#define TYPE_LOW 0x1 |
#define TYPE_MASK 0x3 |
Definition at line 89 of file codec_speex.c.
#define TYPE_SILENCE 0x2 |
static void __reg_module | ( | void | ) | [static] |
Definition at line 522 of file codec_speex.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 522 of file codec_speex.c.
static void lintospeex_destroy | ( | struct ast_trans_pvt * | arg | ) | [static] |
Definition at line 338 of file codec_speex.c.
References speex_coder_pvt::bits, preproc, ast_trans_pvt::pvt, and speex_coder_pvt::speex.
00339 { 00340 struct speex_coder_pvt *pvt = arg->pvt; 00341 #ifdef _SPEEX_TYPES_H 00342 if (preproc) 00343 speex_preprocess_state_destroy(pvt->pp); 00344 #endif 00345 speex_encoder_destroy(pvt->speex); 00346 speex_bits_destroy(&pvt->bits); 00347 }
static int lintospeex_framein | ( | struct ast_trans_pvt * | pvt, | |
struct ast_frame * | f | |||
) | [static] |
store input frame in work buffer
Definition at line 252 of file codec_speex.c.
References speex_coder_pvt::buf, f, ast_trans_pvt::pvt, and ast_trans_pvt::samples.
00253 { 00254 struct speex_coder_pvt *tmp = pvt->pvt; 00255 00256 /* XXX We should look at how old the rest of our stream is, and if it 00257 is too old, then we should overwrite it entirely, otherwise we can 00258 get artifacts of earlier talk that do not belong */ 00259 memcpy(tmp->buf + pvt->samples, f->data, f->datalen); 00260 pvt->samples += f->samples; 00261 return 0; 00262 }
static struct ast_frame* lintospeex_frameout | ( | struct ast_trans_pvt * | pvt | ) | [static] |
convert work buffer and produce output frame
Definition at line 265 of file codec_speex.c.
References AST_FRAME_CNG, speex_coder_pvt::bits, speex_coder_pvt::buf, dtx, ast_trans_pvt::f, speex_coder_pvt::framesize, ast_frame::frametype, preproc, ast_trans_pvt::pvt, ast_frame::samples, ast_trans_pvt::samples, speex_coder_pvt::silent_state, and speex_coder_pvt::speex.
00266 { 00267 struct speex_coder_pvt *tmp = pvt->pvt; 00268 int is_speech=1; 00269 int datalen = 0; /* output bytes */ 00270 int samples = 0; /* output samples */ 00271 00272 /* We can't work on anything less than a frame in size */ 00273 if (pvt->samples < tmp->framesize) 00274 return NULL; 00275 speex_bits_reset(&tmp->bits); 00276 while (pvt->samples >= tmp->framesize) { 00277 #ifdef _SPEEX_TYPES_H 00278 /* Preprocess audio */ 00279 if (preproc) 00280 is_speech = speex_preprocess(tmp->pp, tmp->buf + samples, NULL); 00281 /* Encode a frame of data */ 00282 if (is_speech) { 00283 /* If DTX enabled speex_encode returns 0 during silence */ 00284 is_speech = speex_encode_int(tmp->speex, tmp->buf + samples, &tmp->bits) || !dtx; 00285 } else { 00286 /* 5 zeros interpreted by Speex as silence (submode 0) */ 00287 speex_bits_pack(&tmp->bits, 0, 5); 00288 } 00289 #else 00290 { 00291 float fbuf[1024]; 00292 int x; 00293 /* Convert to floating point */ 00294 for (x = 0; x < tmp->framesize; x++) 00295 fbuf[x] = tmp->buf[samples + x]; 00296 /* Encode a frame of data */ 00297 is_speech = speex_encode(tmp->speex, fbuf, &tmp->bits) || !dtx; 00298 } 00299 #endif 00300 samples += tmp->framesize; 00301 pvt->samples -= tmp->framesize; 00302 } 00303 00304 /* Move the data at the end of the buffer to the front */ 00305 if (pvt->samples) 00306 memmove(tmp->buf, tmp->buf + samples, pvt->samples * 2); 00307 00308 /* Use AST_FRAME_CNG to signify the start of any silence period */ 00309 if (is_speech) { 00310 tmp->silent_state = 0; 00311 } else { 00312 if (tmp->silent_state) { 00313 return NULL; 00314 } else { 00315 tmp->silent_state = 1; 00316 speex_bits_reset(&tmp->bits); 00317 memset(&pvt->f, 0, sizeof(pvt->f)); 00318 pvt->f.frametype = AST_FRAME_CNG; 00319 pvt->f.samples = samples; 00320 /* XXX what now ? format etc... */ 00321 } 00322 } 00323 00324 /* Terminate bit stream */ 00325 speex_bits_pack(&tmp->bits, 15, 5); 00326 datalen = speex_bits_write(&tmp->bits, pvt->outbuf, pvt->t->buf_size); 00327 return ast_trans_frameout(pvt, datalen, samples); 00328 }
static int lintospeex_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 108 of file codec_speex.c.
References speex_coder_pvt::bits, speex_coder_pvt::framesize, ast_trans_pvt::pvt, speex_coder_pvt::silent_state, and speex_coder_pvt::speex.
00109 { 00110 struct speex_coder_pvt *tmp = pvt->pvt; 00111 00112 if (!(tmp->speex = speex_encoder_init(&speex_nb_mode))) 00113 return -1; 00114 00115 speex_bits_init(&tmp->bits); 00116 speex_bits_reset(&tmp->bits); 00117 speex_encoder_ctl(tmp->speex, SPEEX_GET_FRAME_SIZE, &tmp->framesize); 00118 speex_encoder_ctl(tmp->speex, SPEEX_SET_COMPLEXITY, &complexity); 00119 #ifdef _SPEEX_TYPES_H 00120 if (preproc) { 00121 tmp->pp = speex_preprocess_state_init(tmp->framesize, 8000); /* XXX what is this 8000 ? */ 00122 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_VAD, &pp_vad); 00123 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_AGC, &pp_agc); 00124 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_AGC_LEVEL, &pp_agc_level); 00125 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DENOISE, &pp_denoise); 00126 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB, &pp_dereverb); 00127 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &pp_dereverb_decay); 00128 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &pp_dereverb_level); 00129 } 00130 #endif 00131 if (!abr && !vbr) { 00132 speex_encoder_ctl(tmp->speex, SPEEX_SET_QUALITY, &quality); 00133 if (vad) 00134 speex_encoder_ctl(tmp->speex, SPEEX_SET_VAD, &vad); 00135 } 00136 if (vbr) { 00137 speex_encoder_ctl(tmp->speex, SPEEX_SET_VBR, &vbr); 00138 speex_encoder_ctl(tmp->speex, SPEEX_SET_VBR_QUALITY, &vbr_quality); 00139 } 00140 if (abr) 00141 speex_encoder_ctl(tmp->speex, SPEEX_SET_ABR, &abr); 00142 if (dtx) 00143 speex_encoder_ctl(tmp->speex, SPEEX_SET_DTX, &dtx); 00144 tmp->silent_state = 0; 00145 00146 return 0; 00147 }
static struct ast_frame* lintospeex_sample | ( | void | ) | [static] |
Definition at line 164 of file codec_speex.c.
References AST_FORMAT_SLINEAR, AST_FRAME_VOICE, f, and slin_speex_ex.
00165 { 00166 static struct ast_frame f; 00167 f.frametype = AST_FRAME_VOICE; 00168 f.subclass = AST_FORMAT_SLINEAR; 00169 f.datalen = sizeof(slin_speex_ex); 00170 /* Assume 8000 Hz */ 00171 f.samples = sizeof(slin_speex_ex)/2; 00172 f.mallocd = 0; 00173 f.offset = 0; 00174 f.src = __PRETTY_FUNCTION__; 00175 f.data = slin_speex_ex; 00176 return &f; 00177 }
static int load_module | ( | void | ) | [static] |
Definition at line 504 of file codec_speex.c.
References ast_register_translator, ast_unregister_translator(), lintospeex, parse_config(), and speextolin.
00505 { 00506 int res; 00507 00508 parse_config(); 00509 res=ast_register_translator(&speextolin); 00510 if (!res) 00511 res=ast_register_translator(&lintospeex); 00512 else 00513 ast_unregister_translator(&speextolin); 00514 00515 return res; 00516 }
static void parse_config | ( | void | ) | [static] |
Definition at line 377 of file codec_speex.c.
References abr, ast_config_load(), ast_log(), ast_true(), ast_variable_browse(), ast_verbose(), complexity, dtx, enhancement, LOG_ERROR, option_verbose, pp_agc, pp_agc_level, pp_denoise, pp_dereverb, pp_dereverb_decay, pp_dereverb_level, pp_vad, preproc, quality, vad, var, vbr, vbr_quality, and VERBOSE_PREFIX_3.
00378 { 00379 struct ast_config *cfg = ast_config_load("codecs.conf"); 00380 struct ast_variable *var; 00381 int res; 00382 float res_f; 00383 00384 if (cfg == NULL) 00385 return; 00386 00387 for (var = ast_variable_browse(cfg, "speex"); var; var = var->next) { 00388 if (!strcasecmp(var->name, "quality")) { 00389 res = abs(atoi(var->value)); 00390 if (res > -1 && res < 11) { 00391 if (option_verbose > 2) 00392 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting Quality to %d\n",res); 00393 quality = res; 00394 } else 00395 ast_log(LOG_ERROR,"Error Quality must be 0-10\n"); 00396 } else if (!strcasecmp(var->name, "complexity")) { 00397 res = abs(atoi(var->value)); 00398 if (res > -1 && res < 11) { 00399 if (option_verbose > 2) 00400 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting Complexity to %d\n",res); 00401 complexity = res; 00402 } else 00403 ast_log(LOG_ERROR,"Error! Complexity must be 0-10\n"); 00404 } else if (!strcasecmp(var->name, "vbr_quality")) { 00405 if (sscanf(var->value, "%30f", &res_f) == 1 && res_f >= 0 && res_f <= 10) { 00406 if (option_verbose > 2) 00407 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting VBR Quality to %f\n",res_f); 00408 vbr_quality = res_f; 00409 } else 00410 ast_log(LOG_ERROR,"Error! VBR Quality must be 0-10\n"); 00411 } else if (!strcasecmp(var->name, "abr_quality")) { 00412 ast_log(LOG_ERROR,"Error! ABR Quality setting obsolete, set ABR to desired bitrate\n"); 00413 } else if (!strcasecmp(var->name, "enhancement")) { 00414 enhancement = ast_true(var->value) ? 1 : 0; 00415 if (option_verbose > 2) 00416 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Perceptual Enhancement Mode. [%s]\n",enhancement ? "on" : "off"); 00417 } else if (!strcasecmp(var->name, "vbr")) { 00418 vbr = ast_true(var->value) ? 1 : 0; 00419 if (option_verbose > 2) 00420 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: VBR Mode. [%s]\n",vbr ? "on" : "off"); 00421 } else if (!strcasecmp(var->name, "abr")) { 00422 res = abs(atoi(var->value)); 00423 if (res >= 0) { 00424 if (option_verbose > 2) { 00425 if (res > 0) 00426 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting ABR target bitrate to %d\n",res); 00427 else 00428 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Disabling ABR\n"); 00429 } 00430 abr = res; 00431 } else 00432 ast_log(LOG_ERROR,"Error! ABR target bitrate must be >= 0\n"); 00433 } else if (!strcasecmp(var->name, "vad")) { 00434 vad = ast_true(var->value) ? 1 : 0; 00435 if (option_verbose > 2) 00436 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: VAD Mode. [%s]\n",vad ? "on" : "off"); 00437 } else if (!strcasecmp(var->name, "dtx")) { 00438 dtx = ast_true(var->value) ? 1 : 0; 00439 if (option_verbose > 2) 00440 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: DTX Mode. [%s]\n",dtx ? "on" : "off"); 00441 } else if (!strcasecmp(var->name, "preprocess")) { 00442 preproc = ast_true(var->value) ? 1 : 0; 00443 if (option_verbose > 2) 00444 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessing. [%s]\n",preproc ? "on" : "off"); 00445 } else if (!strcasecmp(var->name, "pp_vad")) { 00446 pp_vad = ast_true(var->value) ? 1 : 0; 00447 if (option_verbose > 2) 00448 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor VAD. [%s]\n",pp_vad ? "on" : "off"); 00449 } else if (!strcasecmp(var->name, "pp_agc")) { 00450 pp_agc = ast_true(var->value) ? 1 : 0; 00451 if (option_verbose > 2) 00452 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor AGC. [%s]\n",pp_agc ? "on" : "off"); 00453 } else if (!strcasecmp(var->name, "pp_agc_level")) { 00454 if (sscanf(var->value, "%30f", &res_f) == 1 && res_f >= 0) { 00455 if (option_verbose > 2) 00456 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting preprocessor AGC Level to %f\n",res_f); 00457 pp_agc_level = res_f; 00458 } else 00459 ast_log(LOG_ERROR,"Error! Preprocessor AGC Level must be >= 0\n"); 00460 } else if (!strcasecmp(var->name, "pp_denoise")) { 00461 pp_denoise = ast_true(var->value) ? 1 : 0; 00462 if (option_verbose > 2) 00463 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor Denoise. [%s]\n",pp_denoise ? "on" : "off"); 00464 } else if (!strcasecmp(var->name, "pp_dereverb")) { 00465 pp_dereverb = ast_true(var->value) ? 1 : 0; 00466 if (option_verbose > 2) 00467 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor Dereverb. [%s]\n",pp_dereverb ? "on" : "off"); 00468 } else if (!strcasecmp(var->name, "pp_dereverb_decay")) { 00469 if (sscanf(var->value, "%30f", &res_f) == 1 && res_f >= 0) { 00470 if (option_verbose > 2) 00471 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting preprocessor Dereverb Decay to %f\n",res_f); 00472 pp_dereverb_decay = res_f; 00473 } else 00474 ast_log(LOG_ERROR,"Error! Preprocessor Dereverb Decay must be >= 0\n"); 00475 } else if (!strcasecmp(var->name, "pp_dereverb_level")) { 00476 if (sscanf(var->value, "%30f", &res_f) == 1 && res_f >= 0) { 00477 if (option_verbose > 2) 00478 ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting preprocessor Dereverb Level to %f\n",res_f); 00479 pp_dereverb_level = res_f; 00480 } else 00481 ast_log(LOG_ERROR,"Error! Preprocessor Dereverb Level must be >= 0\n"); 00482 } 00483 } 00484 ast_config_destroy(cfg); 00485 }
static int reload | ( | void | ) | [static] |
Definition at line 487 of file codec_speex.c.
References parse_config().
00488 { 00489 parse_config(); 00490 00491 return 0; 00492 }
static void speextolin_destroy | ( | struct ast_trans_pvt * | arg | ) | [static] |
Definition at line 330 of file codec_speex.c.
References speex_coder_pvt::bits, ast_trans_pvt::pvt, and speex_coder_pvt::speex.
00331 { 00332 struct speex_coder_pvt *pvt = arg->pvt; 00333 00334 speex_decoder_destroy(pvt->speex); 00335 speex_bits_destroy(&pvt->bits); 00336 }
static int speextolin_framein | ( | struct ast_trans_pvt * | pvt, | |
struct ast_frame * | f | |||
) | [static] |
convert and store into outbuf
Definition at line 195 of file codec_speex.c.
References ast_log(), speex_coder_pvt::bits, BUFFER_SAMPLES, ast_trans_pvt::datalen, f, speex_coder_pvt::framesize, LOG_WARNING, ast_trans_pvt::outbuf, ast_trans_pvt::pvt, ast_trans_pvt::samples, and speex_coder_pvt::speex.
00196 { 00197 struct speex_coder_pvt *tmp = pvt->pvt; 00198 00199 /* Assuming there's space left, decode into the current buffer at 00200 the tail location. Read in as many frames as there are */ 00201 int x; 00202 int res; 00203 int16_t *dst = (int16_t *)pvt->outbuf; 00204 /* XXX fout is a temporary buffer, may have different types */ 00205 #ifdef _SPEEX_TYPES_H 00206 spx_int16_t fout[1024]; 00207 #else 00208 float fout[1024]; 00209 #endif 00210 00211 if (f->datalen == 0) { /* Native PLC interpolation */ 00212 if (pvt->samples + tmp->framesize > BUFFER_SAMPLES) { 00213 ast_log(LOG_WARNING, "Out of buffer space\n"); 00214 return -1; 00215 } 00216 #ifdef _SPEEX_TYPES_H 00217 speex_decode_int(tmp->speex, NULL, dst + pvt->samples); 00218 #else 00219 speex_decode(tmp->speex, NULL, fout); 00220 for (x=0;x<tmp->framesize;x++) { 00221 dst[pvt->samples + x] = (int16_t)fout[x]; 00222 } 00223 #endif 00224 pvt->samples += tmp->framesize; 00225 pvt->datalen += 2 * tmp->framesize; /* 2 bytes/sample */ 00226 return 0; 00227 } 00228 00229 /* Read in bits */ 00230 speex_bits_read_from(&tmp->bits, f->data, f->datalen); 00231 for (;;) { 00232 #ifdef _SPEEX_TYPES_H 00233 res = speex_decode_int(tmp->speex, &tmp->bits, fout); 00234 #else 00235 res = speex_decode(tmp->speex, &tmp->bits, fout); 00236 #endif 00237 if (res < 0) 00238 break; 00239 if (pvt->samples + tmp->framesize > BUFFER_SAMPLES) { 00240 ast_log(LOG_WARNING, "Out of buffer space\n"); 00241 return -1; 00242 } 00243 for (x = 0 ; x < tmp->framesize; x++) 00244 dst[pvt->samples + x] = (int16_t)fout[x]; 00245 pvt->samples += tmp->framesize; 00246 pvt->datalen += 2 * tmp->framesize; /* 2 bytes/sample */ 00247 } 00248 return 0; 00249 }
static int speextolin_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 149 of file codec_speex.c.
References speex_coder_pvt::bits, speex_coder_pvt::framesize, ast_trans_pvt::pvt, and speex_coder_pvt::speex.
00150 { 00151 struct speex_coder_pvt *tmp = pvt->pvt; 00152 00153 if (!(tmp->speex = speex_decoder_init(&speex_nb_mode))) 00154 return -1; 00155 00156 speex_bits_init(&tmp->bits); 00157 speex_decoder_ctl(tmp->speex, SPEEX_GET_FRAME_SIZE, &tmp->framesize); 00158 if (enhancement) 00159 speex_decoder_ctl(tmp->speex, SPEEX_SET_ENH, &enhancement); 00160 00161 return 0; 00162 }
static struct ast_frame* speextolin_sample | ( | void | ) | [static] |
Definition at line 179 of file codec_speex.c.
References AST_FORMAT_SPEEX, AST_FRAME_VOICE, f, SPEEX_SAMPLES, and speex_slin_ex.
00180 { 00181 static struct ast_frame f; 00182 f.frametype = AST_FRAME_VOICE; 00183 f.subclass = AST_FORMAT_SPEEX; 00184 f.datalen = sizeof(speex_slin_ex); 00185 /* All frames are 20 ms long */ 00186 f.samples = SPEEX_SAMPLES; 00187 f.mallocd = 0; 00188 f.offset = 0; 00189 f.src = __PRETTY_FUNCTION__; 00190 f.data = speex_slin_ex; 00191 return &f; 00192 }
static int unload_module | ( | void | ) | [static] |
Definition at line 494 of file codec_speex.c.
References ast_unregister_translator(), lintospeex, and speextolin.
00495 { 00496 int res; 00497 00498 res = ast_unregister_translator(&lintospeex); 00499 res |= ast_unregister_translator(&speextolin); 00500 00501 return res; 00502 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT | AST_MODFLAG_BUILDSUM, .description = "Speex 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 = "361d7bb937402d51e4658efb5b4d76e4" , .load = load_module, .unload = unload_module, .reload = reload, } [static] |
Definition at line 522 of file codec_speex.c.
int abr = 0 [static] |
const struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 522 of file codec_speex.c.
int complexity = 2 [static] |
int dtx = 0 [static] |
Definition at line 75 of file codec_speex.c.
Referenced by lintospeex_frameout(), and parse_config().
int enhancement = 0 [static] |
struct ast_translator lintospeex [static] |
int pp_agc = 0 [static] |
float pp_agc_level = 8000 [static] |
int pp_denoise = 0 [static] |
int pp_dereverb = 0 [static] |
float pp_dereverb_decay = 0.4 [static] |
float pp_dereverb_level = 0.3 [static] |
int pp_vad = 0 [static] |
int preproc = 0 [static] |
Definition at line 77 of file codec_speex.c.
Referenced by lintospeex_destroy(), lintospeex_frameout(), and parse_config().
int quality = 3 [static] |
struct ast_translator speextolin [static] |
int vad = 0 [static] |
int vbr = 0 [static] |
float vbr_quality = 4 [static] |