Translate between signed linear and Speex (Open Codec). More...
#include "asterisk.h"
#include <speex/speex.h>
#include "asterisk/translate.h"
#include "asterisk/module.h"
#include "asterisk/config.h"
#include "asterisk/utils.h"
#include "asterisk/slin.h"
#include "ex_speex.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 | |
AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT,"Speex Coder/Decoder",.load=load_module,.unload=unload_module,.reload=reload,) | |
static int | lin16tospeexwb_new (struct ast_trans_pvt *pvt) |
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 int | load_module (void) |
static int | parse_config (int reload) |
static int | reload (void) |
static int | speex_decoder_construct (struct ast_trans_pvt *pvt, const SpeexMode *profile) |
static int | speex_encoder_construct (struct ast_trans_pvt *pvt, const SpeexMode *profile, int sampling_rate) |
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 int | speexwbtolin16_new (struct ast_trans_pvt *pvt) |
static int | unload_module (void) |
Variables | |
static int | abr = 0 |
static int | complexity = 2 |
static int | dtx = 0 |
static int | enhancement = 0 |
static struct ast_translator | lin16tospeexwb |
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 struct ast_translator | speexwbtolin16 |
static int | vad = 0 |
static int | vbr = 0 |
static float | vbr_quality = 4 |
Translate between signed linear and Speex (Open Codec).
Definition in file codec_speex.c.
#define BUFFER_SAMPLES 8000 |
Definition at line 81 of file codec_speex.c.
#define SPEEX_SAMPLES 160 |
Definition at line 82 of file codec_speex.c.
Referenced by speex16_sample(), and speex_sample().
#define TYPE_HIGH 0x0 |
Definition at line 77 of file codec_speex.c.
Referenced by g723_len().
#define TYPE_LOW 0x1 |
Definition at line 78 of file codec_speex.c.
Referenced by g723_len().
#define TYPE_MASK 0x3 |
Definition at line 79 of file codec_speex.c.
Referenced by g723_len().
#define TYPE_SILENCE 0x2 |
Definition at line 76 of file codec_speex.c.
Referenced by g723_len().
AST_MODULE_INFO | ( | ASTERISK_GPL_KEY | , | |
AST_MODFLAG_DEFAULT | , | |||
"Speex Coder/Decoder" | , | |||
. | load = load_module , |
|||
. | unload = unload_module , |
|||
. | reload = reload | |||
) |
static int lin16tospeexwb_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 147 of file codec_speex.c.
References speex_encoder_construct().
00148 { 00149 return speex_encoder_construct(pvt, &speex_wb_mode, 16000); 00150 }
static void lintospeex_destroy | ( | struct ast_trans_pvt * | arg | ) | [static] |
Definition at line 321 of file codec_speex.c.
References speex_coder_pvt::bits, ast_trans_pvt::pvt, and speex_coder_pvt::speex.
00322 { 00323 struct speex_coder_pvt *pvt = arg->pvt; 00324 #ifdef _SPEEX_TYPES_H 00325 if (preproc) 00326 speex_preprocess_state_destroy(pvt->pp); 00327 #endif 00328 speex_encoder_destroy(pvt->speex); 00329 speex_bits_destroy(&pvt->bits); 00330 }
static int lintospeex_framein | ( | struct ast_trans_pvt * | pvt, | |
struct ast_frame * | f | |||
) | [static] |
store input frame in work buffer
Definition at line 235 of file codec_speex.c.
References speex_coder_pvt::buf, ast_frame::data, ast_frame::datalen, ast_frame::ptr, ast_trans_pvt::pvt, ast_frame::samples, and ast_trans_pvt::samples.
00236 { 00237 struct speex_coder_pvt *tmp = pvt->pvt; 00238 00239 /* XXX We should look at how old the rest of our stream is, and if it 00240 is too old, then we should overwrite it entirely, otherwise we can 00241 get artifacts of earlier talk that do not belong */ 00242 memcpy(tmp->buf + pvt->samples, f->data.ptr, f->datalen); 00243 pvt->samples += f->samples; 00244 return 0; 00245 }
static struct ast_frame* lintospeex_frameout | ( | struct ast_trans_pvt * | pvt | ) | [static, read] |
convert work buffer and produce output frame
Definition at line 248 of file codec_speex.c.
References AST_FRAME_CNG, ast_trans_frameout(), speex_coder_pvt::bits, speex_coder_pvt::buf, ast_translator::buf_size, ast_trans_pvt::c, ast_trans_pvt::f, speex_coder_pvt::framesize, ast_frame::frametype, ast_trans_pvt::outbuf, ast_trans_pvt::pvt, ast_frame::samples, ast_trans_pvt::samples, speex_coder_pvt::silent_state, speex_coder_pvt::speex, and ast_trans_pvt::t.
00249 { 00250 struct speex_coder_pvt *tmp = pvt->pvt; 00251 int is_speech=1; 00252 int datalen = 0; /* output bytes */ 00253 int samples = 0; /* output samples */ 00254 00255 /* We can't work on anything less than a frame in size */ 00256 if (pvt->samples < tmp->framesize) 00257 return NULL; 00258 speex_bits_reset(&tmp->bits); 00259 while (pvt->samples >= tmp->framesize) { 00260 #ifdef _SPEEX_TYPES_H 00261 /* Preprocess audio */ 00262 if (preproc) 00263 is_speech = speex_preprocess(tmp->pp, tmp->buf + samples, NULL); 00264 /* Encode a frame of data */ 00265 if (is_speech) { 00266 /* If DTX enabled speex_encode returns 0 during silence */ 00267 is_speech = speex_encode_int(tmp->speex, tmp->buf + samples, &tmp->bits) || !dtx; 00268 } else { 00269 /* 5 zeros interpreted by Speex as silence (submode 0) */ 00270 speex_bits_pack(&tmp->bits, 0, 5); 00271 } 00272 #else 00273 { 00274 float fbuf[1024]; 00275 int x; 00276 /* Convert to floating point */ 00277 for (x = 0; x < tmp->framesize; x++) 00278 fbuf[x] = tmp->buf[samples + x]; 00279 /* Encode a frame of data */ 00280 is_speech = speex_encode(tmp->speex, fbuf, &tmp->bits) || !dtx; 00281 } 00282 #endif 00283 samples += tmp->framesize; 00284 pvt->samples -= tmp->framesize; 00285 } 00286 00287 /* Move the data at the end of the buffer to the front */ 00288 if (pvt->samples) 00289 memmove(tmp->buf, tmp->buf + samples, pvt->samples * 2); 00290 00291 /* Use AST_FRAME_CNG to signify the start of any silence period */ 00292 if (is_speech) { 00293 tmp->silent_state = 0; 00294 } else { 00295 if (tmp->silent_state) { 00296 return NULL; 00297 } else { 00298 tmp->silent_state = 1; 00299 speex_bits_reset(&tmp->bits); 00300 memset(&pvt->f, 0, sizeof(pvt->f)); 00301 pvt->f.frametype = AST_FRAME_CNG; 00302 pvt->f.samples = samples; 00303 /* XXX what now ? format etc... */ 00304 } 00305 } 00306 00307 /* Terminate bit stream */ 00308 speex_bits_pack(&tmp->bits, 15, 5); 00309 datalen = speex_bits_write(&tmp->bits, pvt->outbuf.c, pvt->t->buf_size); 00310 return ast_trans_frameout(pvt, datalen, samples); 00311 }
static int lintospeex_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 142 of file codec_speex.c.
References speex_encoder_construct().
00143 { 00144 return speex_encoder_construct(pvt, &speex_nb_mode, 8000); 00145 }
static int load_module | ( | void | ) | [static] |
Definition at line 502 of file codec_speex.c.
References AST_MODULE_LOAD_DECLINE, ast_register_translator, and parse_config().
00503 { 00504 int res = 0; 00505 00506 if (parse_config(0)) 00507 return AST_MODULE_LOAD_DECLINE; 00508 00509 res |= ast_register_translator(&speextolin); 00510 res |= ast_register_translator(&lintospeex); 00511 res |= ast_register_translator(&speexwbtolin16); 00512 res |= ast_register_translator(&lin16tospeexwb); 00513 00514 return res; 00515 }
static int parse_config | ( | int | reload | ) | [static] |
Definition at line 388 of file codec_speex.c.
References ast_config_destroy(), ast_config_load, ast_log(), ast_true(), ast_variable_browse(), ast_verb, CONFIG_FLAG_FILEUNCHANGED, CONFIG_STATUS_FILEINVALID, CONFIG_STATUS_FILEMISSING, CONFIG_STATUS_FILEUNCHANGED, LOG_ERROR, ast_variable::name, ast_variable::next, ast_variable::value, and var.
Referenced by load_module(), and reload().
00389 { 00390 struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 }; 00391 struct ast_config *cfg = ast_config_load("codecs.conf", config_flags); 00392 struct ast_variable *var; 00393 int res; 00394 float res_f; 00395 00396 if (cfg == CONFIG_STATUS_FILEMISSING || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) 00397 return 0; 00398 00399 for (var = ast_variable_browse(cfg, "speex"); var; var = var->next) { 00400 if (!strcasecmp(var->name, "quality")) { 00401 res = abs(atoi(var->value)); 00402 if (res > -1 && res < 11) { 00403 ast_verb(3, "CODEC SPEEX: Setting Quality to %d\n",res); 00404 quality = res; 00405 } else 00406 ast_log(LOG_ERROR,"Error Quality must be 0-10\n"); 00407 } else if (!strcasecmp(var->name, "complexity")) { 00408 res = abs(atoi(var->value)); 00409 if (res > -1 && res < 11) { 00410 ast_verb(3, "CODEC SPEEX: Setting Complexity to %d\n",res); 00411 complexity = res; 00412 } else 00413 ast_log(LOG_ERROR,"Error! Complexity must be 0-10\n"); 00414 } else if (!strcasecmp(var->name, "vbr_quality")) { 00415 if (sscanf(var->value, "%30f", &res_f) == 1 && res_f >= 0 && res_f <= 10) { 00416 ast_verb(3, "CODEC SPEEX: Setting VBR Quality to %f\n",res_f); 00417 vbr_quality = res_f; 00418 } else 00419 ast_log(LOG_ERROR,"Error! VBR Quality must be 0-10\n"); 00420 } else if (!strcasecmp(var->name, "abr_quality")) { 00421 ast_log(LOG_ERROR,"Error! ABR Quality setting obsolete, set ABR to desired bitrate\n"); 00422 } else if (!strcasecmp(var->name, "enhancement")) { 00423 enhancement = ast_true(var->value) ? 1 : 0; 00424 ast_verb(3, "CODEC SPEEX: Perceptual Enhancement Mode. [%s]\n",enhancement ? "on" : "off"); 00425 } else if (!strcasecmp(var->name, "vbr")) { 00426 vbr = ast_true(var->value) ? 1 : 0; 00427 ast_verb(3, "CODEC SPEEX: VBR Mode. [%s]\n",vbr ? "on" : "off"); 00428 } else if (!strcasecmp(var->name, "abr")) { 00429 res = abs(atoi(var->value)); 00430 if (res >= 0) { 00431 if (res > 0) 00432 ast_verb(3, "CODEC SPEEX: Setting ABR target bitrate to %d\n",res); 00433 else 00434 ast_verb(3, "CODEC SPEEX: Disabling ABR\n"); 00435 abr = res; 00436 } else 00437 ast_log(LOG_ERROR,"Error! ABR target bitrate must be >= 0\n"); 00438 } else if (!strcasecmp(var->name, "vad")) { 00439 vad = ast_true(var->value) ? 1 : 0; 00440 ast_verb(3, "CODEC SPEEX: VAD Mode. [%s]\n",vad ? "on" : "off"); 00441 } else if (!strcasecmp(var->name, "dtx")) { 00442 dtx = ast_true(var->value) ? 1 : 0; 00443 ast_verb(3, "CODEC SPEEX: DTX Mode. [%s]\n",dtx ? "on" : "off"); 00444 } else if (!strcasecmp(var->name, "preprocess")) { 00445 preproc = ast_true(var->value) ? 1 : 0; 00446 ast_verb(3, "CODEC SPEEX: Preprocessing. [%s]\n",preproc ? "on" : "off"); 00447 } else if (!strcasecmp(var->name, "pp_vad")) { 00448 pp_vad = ast_true(var->value) ? 1 : 0; 00449 ast_verb(3, "CODEC SPEEX: Preprocessor VAD. [%s]\n",pp_vad ? "on" : "off"); 00450 } else if (!strcasecmp(var->name, "pp_agc")) { 00451 pp_agc = ast_true(var->value) ? 1 : 0; 00452 ast_verb(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 ast_verb(3, "CODEC SPEEX: Setting preprocessor AGC Level to %f\n",res_f); 00456 pp_agc_level = res_f; 00457 } else 00458 ast_log(LOG_ERROR,"Error! Preprocessor AGC Level must be >= 0\n"); 00459 } else if (!strcasecmp(var->name, "pp_denoise")) { 00460 pp_denoise = ast_true(var->value) ? 1 : 0; 00461 ast_verb(3, "CODEC SPEEX: Preprocessor Denoise. [%s]\n",pp_denoise ? "on" : "off"); 00462 } else if (!strcasecmp(var->name, "pp_dereverb")) { 00463 pp_dereverb = ast_true(var->value) ? 1 : 0; 00464 ast_verb(3, "CODEC SPEEX: Preprocessor Dereverb. [%s]\n",pp_dereverb ? "on" : "off"); 00465 } else if (!strcasecmp(var->name, "pp_dereverb_decay")) { 00466 if (sscanf(var->value, "%30f", &res_f) == 1 && res_f >= 0) { 00467 ast_verb(3, "CODEC SPEEX: Setting preprocessor Dereverb Decay to %f\n",res_f); 00468 pp_dereverb_decay = res_f; 00469 } else 00470 ast_log(LOG_ERROR,"Error! Preprocessor Dereverb Decay must be >= 0\n"); 00471 } else if (!strcasecmp(var->name, "pp_dereverb_level")) { 00472 if (sscanf(var->value, "%30f", &res_f) == 1 && res_f >= 0) { 00473 ast_verb(3, "CODEC SPEEX: Setting preprocessor Dereverb Level to %f\n",res_f); 00474 pp_dereverb_level = res_f; 00475 } else 00476 ast_log(LOG_ERROR,"Error! Preprocessor Dereverb Level must be >= 0\n"); 00477 } 00478 } 00479 ast_config_destroy(cfg); 00480 return 0; 00481 }
static int reload | ( | void | ) | [static] |
Definition at line 483 of file codec_speex.c.
References AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, and parse_config().
00484 { 00485 if (parse_config(1)) 00486 return AST_MODULE_LOAD_DECLINE; 00487 return AST_MODULE_LOAD_SUCCESS; 00488 }
static int speex_decoder_construct | ( | struct ast_trans_pvt * | pvt, | |
const SpeexMode * | profile | |||
) | [static] |
Definition at line 152 of file codec_speex.c.
References speex_coder_pvt::bits, speex_coder_pvt::framesize, ast_trans_pvt::pvt, and speex_coder_pvt::speex.
Referenced by speextolin_new(), and speexwbtolin16_new().
00153 { 00154 struct speex_coder_pvt *tmp = pvt->pvt; 00155 00156 if (!(tmp->speex = speex_decoder_init(profile))) 00157 return -1; 00158 00159 speex_bits_init(&tmp->bits); 00160 speex_decoder_ctl(tmp->speex, SPEEX_GET_FRAME_SIZE, &tmp->framesize); 00161 if (enhancement) 00162 speex_decoder_ctl(tmp->speex, SPEEX_SET_ENH, &enhancement); 00163 00164 return 0; 00165 }
static int speex_encoder_construct | ( | struct ast_trans_pvt * | pvt, | |
const SpeexMode * | profile, | |||
int | sampling_rate | |||
) | [static] |
Definition at line 101 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.
Referenced by lin16tospeexwb_new(), and lintospeex_new().
00102 { 00103 struct speex_coder_pvt *tmp = pvt->pvt; 00104 00105 if (!(tmp->speex = speex_encoder_init(profile))) 00106 return -1; 00107 00108 speex_bits_init(&tmp->bits); 00109 speex_bits_reset(&tmp->bits); 00110 speex_encoder_ctl(tmp->speex, SPEEX_GET_FRAME_SIZE, &tmp->framesize); 00111 speex_encoder_ctl(tmp->speex, SPEEX_SET_COMPLEXITY, &complexity); 00112 #ifdef _SPEEX_TYPES_H 00113 if (preproc) { 00114 tmp->pp = speex_preprocess_state_init(tmp->framesize, sampling_rate); 00115 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_VAD, &pp_vad); 00116 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_AGC, &pp_agc); 00117 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_AGC_LEVEL, &pp_agc_level); 00118 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DENOISE, &pp_denoise); 00119 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB, &pp_dereverb); 00120 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &pp_dereverb_decay); 00121 speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &pp_dereverb_level); 00122 } 00123 #endif 00124 if (!abr && !vbr) { 00125 speex_encoder_ctl(tmp->speex, SPEEX_SET_QUALITY, &quality); 00126 if (vad) 00127 speex_encoder_ctl(tmp->speex, SPEEX_SET_VAD, &vad); 00128 } 00129 if (vbr) { 00130 speex_encoder_ctl(tmp->speex, SPEEX_SET_VBR, &vbr); 00131 speex_encoder_ctl(tmp->speex, SPEEX_SET_VBR_QUALITY, &vbr_quality); 00132 } 00133 if (abr) 00134 speex_encoder_ctl(tmp->speex, SPEEX_SET_ABR, &abr); 00135 if (dtx) 00136 speex_encoder_ctl(tmp->speex, SPEEX_SET_DTX, &dtx); 00137 tmp->silent_state = 0; 00138 00139 return 0; 00140 }
static void speextolin_destroy | ( | struct ast_trans_pvt * | arg | ) | [static] |
Definition at line 313 of file codec_speex.c.
References speex_coder_pvt::bits, ast_trans_pvt::pvt, and speex_coder_pvt::speex.
00314 { 00315 struct speex_coder_pvt *pvt = arg->pvt; 00316 00317 speex_decoder_destroy(pvt->speex); 00318 speex_bits_destroy(&pvt->bits); 00319 }
static int speextolin_framein | ( | struct ast_trans_pvt * | pvt, | |
struct ast_frame * | f | |||
) | [static] |
convert and store into outbuf
Definition at line 178 of file codec_speex.c.
References ast_log(), speex_coder_pvt::bits, BUFFER_SAMPLES, ast_frame::data, ast_trans_pvt::datalen, ast_frame::datalen, speex_coder_pvt::framesize, ast_trans_pvt::i16, LOG_WARNING, ast_trans_pvt::outbuf, ast_frame::ptr, ast_trans_pvt::pvt, ast_trans_pvt::samples, and speex_coder_pvt::speex.
00179 { 00180 struct speex_coder_pvt *tmp = pvt->pvt; 00181 00182 /* Assuming there's space left, decode into the current buffer at 00183 the tail location. Read in as many frames as there are */ 00184 int x; 00185 int res; 00186 int16_t *dst = pvt->outbuf.i16; 00187 /* XXX fout is a temporary buffer, may have different types */ 00188 #ifdef _SPEEX_TYPES_H 00189 spx_int16_t fout[1024]; 00190 #else 00191 float fout[1024]; 00192 #endif 00193 00194 if (f->datalen == 0) { /* Native PLC interpolation */ 00195 if (pvt->samples + tmp->framesize > BUFFER_SAMPLES) { 00196 ast_log(LOG_WARNING, "Out of buffer space\n"); 00197 return -1; 00198 } 00199 #ifdef _SPEEX_TYPES_H 00200 speex_decode_int(tmp->speex, NULL, dst + pvt->samples); 00201 #else 00202 speex_decode(tmp->speex, NULL, fout); 00203 for (x=0;x<tmp->framesize;x++) { 00204 dst[pvt->samples + x] = (int16_t)fout[x]; 00205 } 00206 #endif 00207 pvt->samples += tmp->framesize; 00208 pvt->datalen += 2 * tmp->framesize; /* 2 bytes/sample */ 00209 return 0; 00210 } 00211 00212 /* Read in bits */ 00213 speex_bits_read_from(&tmp->bits, f->data.ptr, f->datalen); 00214 for (;;) { 00215 #ifdef _SPEEX_TYPES_H 00216 res = speex_decode_int(tmp->speex, &tmp->bits, fout); 00217 #else 00218 res = speex_decode(tmp->speex, &tmp->bits, fout); 00219 #endif 00220 if (res < 0) 00221 break; 00222 if (pvt->samples + tmp->framesize > BUFFER_SAMPLES) { 00223 ast_log(LOG_WARNING, "Out of buffer space\n"); 00224 return -1; 00225 } 00226 for (x = 0 ; x < tmp->framesize; x++) 00227 dst[pvt->samples + x] = (int16_t)fout[x]; 00228 pvt->samples += tmp->framesize; 00229 pvt->datalen += 2 * tmp->framesize; /* 2 bytes/sample */ 00230 } 00231 return 0; 00232 }
static int speextolin_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 167 of file codec_speex.c.
References speex_decoder_construct().
00168 { 00169 return speex_decoder_construct(pvt, &speex_nb_mode); 00170 }
static int speexwbtolin16_new | ( | struct ast_trans_pvt * | pvt | ) | [static] |
Definition at line 172 of file codec_speex.c.
References speex_decoder_construct().
00173 { 00174 return speex_decoder_construct(pvt, &speex_wb_mode); 00175 }
static int unload_module | ( | void | ) | [static] |
Definition at line 490 of file codec_speex.c.
References ast_unregister_translator().
00491 { 00492 int res = 0; 00493 00494 res |= ast_unregister_translator(&speextolin); 00495 res |= ast_unregister_translator(&lintospeex); 00496 res |= ast_unregister_translator(&speexwbtolin16); 00497 res |= ast_unregister_translator(&lin16tospeexwb); 00498 00499 return res; 00500 }
int abr = 0 [static] |
Definition at line 64 of file codec_speex.c.
int complexity = 2 [static] |
Definition at line 59 of file codec_speex.c.
int dtx = 0 [static] |
Definition at line 65 of file codec_speex.c.
int enhancement = 0 [static] |
Definition at line 60 of file codec_speex.c.
struct ast_translator lin16tospeexwb [static] |
Definition at line 374 of file codec_speex.c.
struct ast_translator lintospeex [static] |
Definition at line 346 of file codec_speex.c.
int pp_agc = 0 [static] |
Definition at line 69 of file codec_speex.c.
float pp_agc_level = 8000 [static] |
Definition at line 70 of file codec_speex.c.
int pp_denoise = 0 [static] |
Definition at line 71 of file codec_speex.c.
int pp_dereverb = 0 [static] |
Definition at line 72 of file codec_speex.c.
float pp_dereverb_decay = 0.4 [static] |
Definition at line 73 of file codec_speex.c.
float pp_dereverb_level = 0.3 [static] |
Definition at line 74 of file codec_speex.c.
int pp_vad = 0 [static] |
Definition at line 68 of file codec_speex.c.
int preproc = 0 [static] |
Definition at line 67 of file codec_speex.c.
int quality = 3 [static] |
Definition at line 58 of file codec_speex.c.
Referenced by ast_rtp_instance_set_stats_vars(), handle_request_bye(), and sip_hangup().
struct ast_translator speextolin [static] |
Definition at line 332 of file codec_speex.c.
struct ast_translator speexwbtolin16 [static] |
Definition at line 360 of file codec_speex.c.
int vad = 0 [static] |
Definition at line 61 of file codec_speex.c.
int vbr = 0 [static] |
Definition at line 62 of file codec_speex.c.
float vbr_quality = 4 [static] |
Definition at line 63 of file codec_speex.c.