git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@14952 65c4cc65-6c06-0410-ace0-fbb531ad65f3
613 lines
17 KiB
C
613 lines
17 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2005, Digium, Inc.
|
|
*
|
|
* Mark Spencer <markster@digium.com>
|
|
*
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*! \file
|
|
*
|
|
* \brief Translate between signed linear and Speex (Open Codec)
|
|
*
|
|
* http://www.speex.org
|
|
* \note This work was motivated by Jeremy McNamara
|
|
* hacked to be configurable by anthm and bkw 9/28/2004
|
|
* \ingroup codecs
|
|
*/
|
|
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <netinet/in.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <speex.h>
|
|
|
|
/* We require a post 1.1.8 version of Speex to enable preprocessing
|
|
and better type handling */
|
|
#ifdef _SPEEX_TYPES_H
|
|
#include <speex/speex_preprocess.h>
|
|
#endif
|
|
|
|
static int quality = 3;
|
|
static int complexity = 2;
|
|
static int enhancement = 0;
|
|
static int vad = 0;
|
|
static int vbr = 0;
|
|
static float vbr_quality = 4;
|
|
static int abr = 0;
|
|
static int dtx = 0;
|
|
|
|
static int preproc = 0;
|
|
static int pp_vad = 0;
|
|
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;
|
|
|
|
#define TYPE_SILENCE 0x2
|
|
#define TYPE_HIGH 0x0
|
|
#define TYPE_LOW 0x1
|
|
#define TYPE_MASK 0x3
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#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"
|
|
|
|
/* Sample frame data */
|
|
#include "slin_speex_ex.h"
|
|
#include "speex_slin_ex.h"
|
|
|
|
AST_MUTEX_DEFINE_STATIC(localuser_lock);
|
|
static int localusecnt=0;
|
|
|
|
static char *tdesc = "Speex/PCM16 (signed linear) Codec Translator";
|
|
|
|
struct ast_translator_pvt {
|
|
void *speex;
|
|
struct ast_frame f;
|
|
SpeexBits bits;
|
|
int framesize;
|
|
/* Space to build offset */
|
|
char offset[AST_FRIENDLY_OFFSET];
|
|
#ifdef _SPEEX_TYPES_H
|
|
SpeexPreprocessState *pp;
|
|
/* Buffer for our outgoing frame */
|
|
spx_int16_t outbuf[8000];
|
|
/* Enough to store a full second */
|
|
spx_int16_t buf[8000];
|
|
#else
|
|
short outbuf[8000];
|
|
short buf[8000];
|
|
#endif
|
|
|
|
int tail;
|
|
int silent_state;
|
|
};
|
|
|
|
#define speex_coder_pvt ast_translator_pvt
|
|
|
|
static struct ast_translator_pvt *lintospeex_new(void)
|
|
{
|
|
struct speex_coder_pvt *tmp;
|
|
if ((tmp = ast_malloc(sizeof(*tmp)))) {
|
|
if (!(tmp->speex = speex_encoder_init(&speex_nb_mode))) {
|
|
free(tmp);
|
|
tmp = NULL;
|
|
} else {
|
|
speex_bits_init(&tmp->bits);
|
|
speex_bits_reset(&tmp->bits);
|
|
speex_encoder_ctl(tmp->speex, SPEEX_GET_FRAME_SIZE, &tmp->framesize);
|
|
speex_encoder_ctl(tmp->speex, SPEEX_SET_COMPLEXITY, &complexity);
|
|
#ifdef _SPEEX_TYPES_H
|
|
if (preproc) {
|
|
tmp->pp = speex_preprocess_state_init(tmp->framesize, 8000);
|
|
speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_VAD, &pp_vad);
|
|
speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_AGC, &pp_agc);
|
|
speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_AGC_LEVEL, &pp_agc_level);
|
|
speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DENOISE, &pp_denoise);
|
|
speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB, &pp_dereverb);
|
|
speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &pp_dereverb_decay);
|
|
speex_preprocess_ctl(tmp->pp, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &pp_dereverb_level);
|
|
}
|
|
#endif
|
|
if (!abr && !vbr) {
|
|
speex_encoder_ctl(tmp->speex, SPEEX_SET_QUALITY, &quality);
|
|
if (vad)
|
|
speex_encoder_ctl(tmp->speex, SPEEX_SET_VAD, &vad);
|
|
}
|
|
if (vbr) {
|
|
speex_encoder_ctl(tmp->speex, SPEEX_SET_VBR, &vbr);
|
|
speex_encoder_ctl(tmp->speex, SPEEX_SET_VBR_QUALITY, &vbr_quality);
|
|
}
|
|
if (abr) {
|
|
speex_encoder_ctl(tmp->speex, SPEEX_SET_ABR, &abr);
|
|
}
|
|
if (dtx)
|
|
speex_encoder_ctl(tmp->speex, SPEEX_SET_DTX, &dtx);
|
|
tmp->tail = 0;
|
|
tmp->silent_state = 0;
|
|
}
|
|
localusecnt++;
|
|
}
|
|
return tmp;
|
|
}
|
|
|
|
static struct ast_translator_pvt *speextolin_new(void)
|
|
{
|
|
struct speex_coder_pvt *tmp;
|
|
if ((tmp = ast_malloc(sizeof(*tmp)))) {
|
|
if (!(tmp->speex = speex_decoder_init(&speex_nb_mode))) {
|
|
free(tmp);
|
|
tmp = NULL;
|
|
} else {
|
|
speex_bits_init(&tmp->bits);
|
|
speex_decoder_ctl(tmp->speex, SPEEX_GET_FRAME_SIZE, &tmp->framesize);
|
|
if (enhancement)
|
|
speex_decoder_ctl(tmp->speex, SPEEX_SET_ENH, &enhancement);
|
|
tmp->tail = 0;
|
|
}
|
|
localusecnt++;
|
|
}
|
|
return tmp;
|
|
}
|
|
|
|
static struct ast_frame *lintospeex_sample(void)
|
|
{
|
|
static struct ast_frame f;
|
|
f.frametype = AST_FRAME_VOICE;
|
|
f.subclass = AST_FORMAT_SLINEAR;
|
|
f.datalen = sizeof(slin_speex_ex);
|
|
/* Assume 8000 Hz */
|
|
f.samples = sizeof(slin_speex_ex)/2;
|
|
f.mallocd = 0;
|
|
f.offset = 0;
|
|
f.src = __PRETTY_FUNCTION__;
|
|
f.data = slin_speex_ex;
|
|
return &f;
|
|
}
|
|
|
|
static struct ast_frame *speextolin_sample(void)
|
|
{
|
|
static struct ast_frame f;
|
|
f.frametype = AST_FRAME_VOICE;
|
|
f.subclass = AST_FORMAT_SPEEX;
|
|
f.datalen = sizeof(speex_slin_ex);
|
|
/* All frames are 20 ms long */
|
|
f.samples = 160;
|
|
f.mallocd = 0;
|
|
f.offset = 0;
|
|
f.src = __PRETTY_FUNCTION__;
|
|
f.data = speex_slin_ex;
|
|
return &f;
|
|
}
|
|
|
|
static struct ast_frame *speextolin_frameout(struct ast_translator_pvt *tmp)
|
|
{
|
|
if (!tmp->tail)
|
|
return NULL;
|
|
/* Signed linear is no particular frame size, so just send whatever
|
|
we have in the buffer in one lump sum */
|
|
tmp->f.frametype = AST_FRAME_VOICE;
|
|
tmp->f.subclass = AST_FORMAT_SLINEAR;
|
|
tmp->f.datalen = tmp->tail * 2;
|
|
/* Assume 8000 Hz */
|
|
tmp->f.samples = tmp->tail;
|
|
tmp->f.mallocd = 0;
|
|
tmp->f.offset = AST_FRIENDLY_OFFSET;
|
|
tmp->f.src = __PRETTY_FUNCTION__;
|
|
tmp->f.data = tmp->buf;
|
|
/* Reset tail pointer */
|
|
tmp->tail = 0;
|
|
return &tmp->f;
|
|
}
|
|
|
|
static int speextolin_framein(struct ast_translator_pvt *tmp, struct ast_frame *f)
|
|
{
|
|
/* Assuming there's space left, decode into the current buffer at
|
|
the tail location. Read in as many frames as there are */
|
|
int x;
|
|
int res;
|
|
#ifdef _SPEEX_TYPES_H
|
|
spx_int16_t out[1024];
|
|
#else
|
|
float fout[1024];
|
|
#endif
|
|
|
|
if (f->datalen == 0) { /* Native PLC interpolation */
|
|
if (tmp->tail + tmp->framesize > sizeof(tmp->buf) / 2) {
|
|
ast_log(LOG_WARNING, "Out of buffer space\n");
|
|
return -1;
|
|
}
|
|
#ifdef _SPEEX_TYPES_H
|
|
speex_decode_int(tmp->speex, NULL, tmp->buf + tmp->tail);
|
|
#else
|
|
speex_decode(tmp->speex, NULL, fout);
|
|
for (x=0;x<tmp->framesize;x++) {
|
|
tmp->buf[tmp->tail + x] = fout[x];
|
|
}
|
|
#endif
|
|
tmp->tail += tmp->framesize;
|
|
return 0;
|
|
}
|
|
|
|
/* Read in bits */
|
|
speex_bits_read_from(&tmp->bits, f->data, f->datalen);
|
|
for(;;) {
|
|
#ifdef _SPEEX_TYPES_H
|
|
res = speex_decode_int(tmp->speex, &tmp->bits, out);
|
|
#else
|
|
res = speex_decode(tmp->speex, &tmp->bits, fout);
|
|
#endif
|
|
if (res < 0)
|
|
break;
|
|
if (tmp->tail + tmp->framesize < sizeof(tmp->buf) / 2) {
|
|
for (x=0;x<tmp->framesize;x++) {
|
|
#ifdef _SPEEX_TYPES_H
|
|
tmp->buf[tmp->tail + x] = out[x];
|
|
#else
|
|
tmp->buf[tmp->tail + x] = fout[x];
|
|
#endif
|
|
}
|
|
tmp->tail += tmp->framesize;
|
|
} else {
|
|
ast_log(LOG_WARNING, "Out of buffer space\n");
|
|
return -1;
|
|
}
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int lintospeex_framein(struct ast_translator_pvt *tmp, struct ast_frame *f)
|
|
{
|
|
/* Just add the frames to our stream */
|
|
/* XXX We should look at how old the rest of our stream is, and if it
|
|
is too old, then we should overwrite it entirely, otherwise we can
|
|
get artifacts of earlier talk that do not belong */
|
|
if (tmp->tail + f->datalen/2 < sizeof(tmp->buf) / 2) {
|
|
memcpy((tmp->buf + tmp->tail), f->data, f->datalen);
|
|
tmp->tail += f->datalen/2;
|
|
} else {
|
|
ast_log(LOG_WARNING, "Out of buffer space\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_frame *lintospeex_frameout(struct ast_translator_pvt *tmp)
|
|
{
|
|
#ifndef _SPEEX_TYPES_H
|
|
float fbuf[1024];
|
|
int x;
|
|
#endif
|
|
int len;
|
|
int y=0;
|
|
int is_speech=1;
|
|
/* We can't work on anything less than a frame in size */
|
|
if (tmp->tail < tmp->framesize)
|
|
return NULL;
|
|
tmp->f.frametype = AST_FRAME_VOICE;
|
|
tmp->f.subclass = AST_FORMAT_SPEEX;
|
|
tmp->f.mallocd = 0;
|
|
tmp->f.offset = AST_FRIENDLY_OFFSET;
|
|
tmp->f.src = __PRETTY_FUNCTION__;
|
|
tmp->f.data = tmp->outbuf;
|
|
speex_bits_reset(&tmp->bits);
|
|
while(tmp->tail >= tmp->framesize) {
|
|
#ifdef _SPEEX_TYPES_H
|
|
/* Preprocess audio */
|
|
if(preproc)
|
|
is_speech = speex_preprocess(tmp->pp, tmp->buf, NULL);
|
|
/* Encode a frame of data */
|
|
if (is_speech) {
|
|
/* If DTX enabled speex_encode returns 0 during silence */
|
|
is_speech = speex_encode_int(tmp->speex, tmp->buf, &tmp->bits) || !dtx;
|
|
} else {
|
|
/* 5 zeros interpreted by Speex as silence (submode 0) */
|
|
speex_bits_pack(&tmp->bits, 0, 5);
|
|
}
|
|
#else
|
|
/* Convert to floating point */
|
|
for (x=0;x<tmp->framesize;x++)
|
|
fbuf[x] = tmp->buf[x];
|
|
/* Encode a frame of data */
|
|
is_speech = speex_encode(tmp->speex, fbuf, &tmp->bits) || !dtx;
|
|
#endif
|
|
/* Assume 8000 Hz -- 20 ms */
|
|
tmp->tail -= tmp->framesize;
|
|
/* Move the data at the end of the buffer to the front */
|
|
if (tmp->tail)
|
|
memmove(tmp->buf, tmp->buf + tmp->framesize, tmp->tail * 2);
|
|
y++;
|
|
}
|
|
|
|
/* Use AST_FRAME_CNG to signify the start of any silence period */
|
|
if (!is_speech) {
|
|
if (tmp->silent_state) {
|
|
return NULL;
|
|
} else {
|
|
tmp->silent_state = 1;
|
|
speex_bits_reset(&tmp->bits);
|
|
tmp->f.frametype = AST_FRAME_CNG;
|
|
}
|
|
} else {
|
|
tmp->silent_state = 0;
|
|
}
|
|
|
|
/* Terminate bit stream */
|
|
speex_bits_pack(&tmp->bits, 15, 5);
|
|
len = speex_bits_write(&tmp->bits, (char *)tmp->outbuf, sizeof(tmp->outbuf));
|
|
tmp->f.datalen = len;
|
|
tmp->f.samples = y * 160;
|
|
#if 0
|
|
{
|
|
static int fd = -1;
|
|
if (fd < 0) {
|
|
fd = open("speex.raw", O_WRONLY|O_TRUNC|O_CREAT);
|
|
if (fd > -1) {
|
|
write(fd, tmp->f.data, tmp->f.datalen);
|
|
close(fd);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return &tmp->f;
|
|
}
|
|
|
|
static void speextolin_destroy(struct ast_translator_pvt *pvt)
|
|
{
|
|
speex_decoder_destroy(pvt->speex);
|
|
speex_bits_destroy(&pvt->bits);
|
|
free(pvt);
|
|
localusecnt--;
|
|
}
|
|
|
|
static void lintospeex_destroy(struct ast_translator_pvt *pvt)
|
|
{
|
|
#ifdef _SPEEX_TYPES_H
|
|
if (preproc)
|
|
speex_preprocess_state_destroy(pvt->pp);
|
|
#endif
|
|
speex_encoder_destroy(pvt->speex);
|
|
speex_bits_destroy(&pvt->bits);
|
|
free(pvt);
|
|
localusecnt--;
|
|
}
|
|
|
|
static struct ast_translator speextolin =
|
|
{ "speextolin",
|
|
AST_FORMAT_SPEEX, AST_FORMAT_SLINEAR,
|
|
speextolin_new,
|
|
speextolin_framein,
|
|
speextolin_frameout,
|
|
speextolin_destroy,
|
|
speextolin_sample
|
|
};
|
|
|
|
static struct ast_translator lintospeex =
|
|
{ "lintospeex",
|
|
AST_FORMAT_SLINEAR, AST_FORMAT_SPEEX,
|
|
lintospeex_new,
|
|
lintospeex_framein,
|
|
lintospeex_frameout,
|
|
lintospeex_destroy,
|
|
lintospeex_sample
|
|
};
|
|
|
|
|
|
static void parse_config(void)
|
|
{
|
|
struct ast_config *cfg;
|
|
struct ast_variable *var;
|
|
int res;
|
|
float res_f;
|
|
|
|
if ((cfg = ast_config_load("codecs.conf"))) {
|
|
if ((var = ast_variable_browse(cfg, "speex"))) {
|
|
while (var) {
|
|
if (!strcasecmp(var->name, "quality")) {
|
|
res = abs(atoi(var->value));
|
|
if (res > -1 && res < 11) {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting Quality to %d\n",res);
|
|
ast_mutex_lock(&localuser_lock);
|
|
quality = res;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else
|
|
ast_log(LOG_ERROR,"Error Quality must be 0-10\n");
|
|
} else if (!strcasecmp(var->name, "complexity")) {
|
|
res = abs(atoi(var->value));
|
|
if (res > -1 && res < 11) {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting Complexity to %d\n",res);
|
|
ast_mutex_lock(&localuser_lock);
|
|
complexity = res;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else
|
|
ast_log(LOG_ERROR,"Error! Complexity must be 0-10\n");
|
|
} else if (!strcasecmp(var->name, "vbr_quality")) {
|
|
if (sscanf(var->value, "%f", &res_f) == 1 && res_f >= 0 && res_f <= 10) {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting VBR Quality to %f\n",res_f);
|
|
ast_mutex_lock(&localuser_lock);
|
|
vbr_quality = res_f;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else
|
|
ast_log(LOG_ERROR,"Error! VBR Quality must be 0-10\n");
|
|
} else if (!strcasecmp(var->name, "abr_quality")) {
|
|
ast_log(LOG_ERROR,"Error! ABR Quality setting obsolete, set ABR to desired bitrate\n");
|
|
} else if (!strcasecmp(var->name, "enhancement")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
enhancement = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Perceptual Enhancement Mode. [%s]\n",enhancement ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "vbr")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
vbr = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: VBR Mode. [%s]\n",vbr ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "abr")) {
|
|
res = abs(atoi(var->value));
|
|
if (res >= 0) {
|
|
if (option_verbose > 2) {
|
|
if (res > 0)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting ABR target bitrate to %d\n",res);
|
|
else
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Disabling ABR\n");
|
|
}
|
|
ast_mutex_lock(&localuser_lock);
|
|
abr = res;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else
|
|
ast_log(LOG_ERROR,"Error! ABR target bitrate must be >= 0\n");
|
|
} else if (!strcasecmp(var->name, "vad")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
vad = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: VAD Mode. [%s]\n",vad ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "dtx")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
dtx = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: DTX Mode. [%s]\n",dtx ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "preprocess")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
preproc = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessing. [%s]\n",preproc ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "pp_vad")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
pp_vad = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor VAD. [%s]\n",pp_vad ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "pp_agc")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
pp_agc = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor AGC. [%s]\n",pp_agc ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "pp_agc_level")) {
|
|
if (sscanf(var->value, "%f", &res_f) == 1 && res_f >= 0) {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting preprocessor AGC Level to %f\n",res_f);
|
|
ast_mutex_lock(&localuser_lock);
|
|
pp_agc_level = res_f;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else
|
|
ast_log(LOG_ERROR,"Error! Preprocessor AGC Level must be >= 0\n");
|
|
} else if (!strcasecmp(var->name, "pp_denoise")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
pp_denoise = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor Denoise. [%s]\n",pp_denoise ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "pp_dereverb")) {
|
|
ast_mutex_lock(&localuser_lock);
|
|
pp_dereverb = ast_true(var->value) ? 1 : 0;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Preprocessor Dereverb. [%s]\n",pp_dereverb ? "on" : "off");
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else if (!strcasecmp(var->name, "pp_dereverb_decay")) {
|
|
if (sscanf(var->value, "%f", &res_f) == 1 && res_f >= 0) {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting preprocessor Dereverb Decay to %f\n",res_f);
|
|
ast_mutex_lock(&localuser_lock);
|
|
pp_dereverb_decay = res_f;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else
|
|
ast_log(LOG_ERROR,"Error! Preprocessor Dereverb Decay must be >= 0\n");
|
|
} else if (!strcasecmp(var->name, "pp_dereverb_level")) {
|
|
if (sscanf(var->value, "%f", &res_f) == 1 && res_f >= 0) {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "CODEC SPEEX: Setting preprocessor Dereverb Level to %f\n",res_f);
|
|
ast_mutex_lock(&localuser_lock);
|
|
pp_dereverb_level = res_f;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
} else
|
|
ast_log(LOG_ERROR,"Error! Preprocessor Dereverb Level must be >= 0\n");
|
|
}
|
|
var = var->next;
|
|
}
|
|
}
|
|
ast_config_destroy(cfg);
|
|
}
|
|
}
|
|
|
|
int reload(void)
|
|
{
|
|
parse_config();
|
|
return 0;
|
|
}
|
|
|
|
int unload_module(void)
|
|
{
|
|
int res;
|
|
ast_mutex_lock(&localuser_lock);
|
|
res = ast_unregister_translator(&lintospeex);
|
|
if (!res)
|
|
res = ast_unregister_translator(&speextolin);
|
|
if (localusecnt)
|
|
res = -1;
|
|
ast_mutex_unlock(&localuser_lock);
|
|
return res;
|
|
}
|
|
|
|
int load_module(void)
|
|
{
|
|
int res;
|
|
parse_config();
|
|
res=ast_register_translator(&speextolin);
|
|
if (!res)
|
|
res=ast_register_translator(&lintospeex);
|
|
else
|
|
ast_unregister_translator(&speextolin);
|
|
return res;
|
|
}
|
|
|
|
char *description(void)
|
|
{
|
|
return tdesc;
|
|
}
|
|
|
|
int usecount(void)
|
|
{
|
|
int res;
|
|
STANDARD_USECOUNT(res);
|
|
return res;
|
|
}
|
|
|
|
char *key()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|