2002-02-19 20:14:14 +00:00
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/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Copyright (C) 2002, Linux Support Services
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*
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* By Matthew Fredrickson <creslin@linux-support.net>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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#include <asterisk/frame.h>
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#include <asterisk/logger.h>
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#include <asterisk/channel.h>
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#include <asterisk/module.h>
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#include <asterisk/channel_pvt.h>
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#include <asterisk/options.h>
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#include <asterisk/pbx.h>
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#include <asterisk/config.h>
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#include <asterisk/cli.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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2004-03-24 21:34:21 +00:00
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#define ALSA_PCM_NEW_HW_PARAMS_API
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#define ALSA_PCM_NEW_SW_PARAMS_API
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2002-02-19 20:14:14 +00:00
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#include <alsa/asoundlib.h>
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2004-03-24 21:34:21 +00:00
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2002-02-19 20:14:14 +00:00
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#include "busy.h"
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#include "ringtone.h"
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#include "ring10.h"
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#include "answer.h"
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#define DEBUG 0
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/* Which device to use */
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#define ALSA_INDEV "default"
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#define ALSA_OUTDEV "default"
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#define DESIRED_RATE 8000
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/* Lets use 160 sample frames, just like GSM. */
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2004-04-04 17:21:03 +00:00
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#define PERIOD_SIZE 160
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#define ALSA_MAX_BUF PERIOD_SIZE*4 + AST_FRIENDLY_OFFSET
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2002-02-19 20:14:14 +00:00
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static snd_pcm_format_t format = SND_PCM_FORMAT_S16_LE;
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static char indevname[50] = ALSA_INDEV;
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static char outdevname[50] = ALSA_OUTDEV;
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static int usecnt;
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static int silencesuppression = 0;
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static int silencethreshold = 1000;
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2004-04-04 17:21:03 +00:00
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#if 0
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static struct timeval lasttime;
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#endif
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2002-02-19 20:14:14 +00:00
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static char digits[80] = "";
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static char text2send[80] = "";
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2003-08-13 15:25:16 +00:00
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static ast_mutex_t usecnt_lock = AST_MUTEX_INITIALIZER;
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2002-02-19 20:14:14 +00:00
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static char *type = "Console";
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static char *desc = "ALSA Console Channel Driver";
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static char *tdesc = "ALSA Console Channel Driver";
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static char *config = "alsa.conf";
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static char context[AST_MAX_EXTENSION] = "default";
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static char language[MAX_LANGUAGE] = "";
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static char exten[AST_MAX_EXTENSION] = "s";
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/* Command pipe */
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static int cmd[2];
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int hookstate=0;
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2004-04-04 17:21:03 +00:00
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static short silence[PERIOD_SIZE] = {0, };
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2002-02-19 20:14:14 +00:00
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struct sound {
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int ind;
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short *data;
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int datalen;
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int samplen;
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int silencelen;
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int repeat;
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};
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static struct sound sounds[] = {
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{ AST_CONTROL_RINGING, ringtone, sizeof(ringtone)/2, 16000, 32000, 1 },
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{ AST_CONTROL_BUSY, busy, sizeof(busy)/2, 4000, 4000, 1 },
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{ AST_CONTROL_CONGESTION, busy, sizeof(busy)/2, 2000, 2000, 1 },
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{ AST_CONTROL_RING, ring10, sizeof(ring10)/2, 16000, 32000, 1 },
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{ AST_CONTROL_ANSWER, answer, sizeof(answer)/2, 2200, 0, 0 },
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};
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/* Sound command pipe */
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static int sndcmd[2];
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2004-04-04 17:21:03 +00:00
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typedef struct chan_alsa_pvt chan_alsa_pvt_t;
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struct chan_alsa_pvt {
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2002-02-19 20:14:14 +00:00
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/* We only have one ALSA structure -- near sighted perhaps, but it
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keeps this driver as simple as possible -- as it should be. */
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struct ast_channel *owner;
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char exten[AST_MAX_EXTENSION];
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char context[AST_MAX_EXTENSION];
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2004-04-04 17:21:03 +00:00
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struct pollfd *pfd;
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unsigned int playback_nfds;
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unsigned int capture_nfds;
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snd_pcm_t *playback_handle;
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snd_pcm_t *capture_handle;
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snd_pcm_uframes_t capture_period_size;
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snd_pcm_uframes_t capture_buffer_size;
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2002-02-19 20:14:14 +00:00
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2004-04-04 17:21:03 +00:00
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pthread_t sound_thread;
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char buf[ALSA_MAX_BUF]; /* buffer for reading frames */
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char *capture_buf; /* malloc buffer for reading frames */
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struct ast_frame fr;
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int cursound;
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int cursound_offset;
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int nosound;
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};
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2002-02-19 20:14:14 +00:00
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2004-04-04 17:21:03 +00:00
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static chan_alsa_pvt_t alsa;
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2002-02-19 20:14:14 +00:00
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#define MAX_BUFFER_SIZE 100
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static int autoanswer = 1;
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2004-01-28 21:06:03 +00:00
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2004-04-04 17:21:03 +00:00
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/* Send a announcement */
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static int send_sound(chan_alsa_pvt_t *driver)
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2002-02-19 20:14:14 +00:00
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{
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int res;
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2004-04-04 17:21:03 +00:00
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int frames;
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int cursound=driver->cursound;
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2002-02-19 20:14:14 +00:00
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snd_pcm_state_t state;
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if (cursound > -1) {
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2004-04-04 17:21:03 +00:00
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driver->nosound=1;
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state = snd_pcm_state(alsa.playback_handle);
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if (state == SND_PCM_STATE_XRUN) {
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snd_pcm_prepare(alsa.playback_handle);
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}
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frames = sounds[cursound].samplen - driver->cursound_offset;
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if (frames >= PERIOD_SIZE) {
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res = snd_pcm_writei(driver->playback_handle,sounds[cursound].data + (driver->cursound_offset*2), PERIOD_SIZE);
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driver->cursound_offset+=PERIOD_SIZE;
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} else if (frames > 0) {
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res = snd_pcm_writei(driver->playback_handle,sounds[cursound].data + (driver->cursound_offset*2), frames);
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res = snd_pcm_writei(driver->playback_handle,silence, PERIOD_SIZE - frames);
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driver->cursound_offset+=PERIOD_SIZE;
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2002-02-19 20:14:14 +00:00
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} else {
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2004-04-04 17:21:03 +00:00
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res = snd_pcm_writei(driver->playback_handle,silence, PERIOD_SIZE);
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driver->cursound_offset+=PERIOD_SIZE;
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}
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if (driver->cursound_offset > ( sounds[cursound].samplen + sounds[cursound].silencelen ) ) {
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2002-02-19 20:14:14 +00:00
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if (sounds[cursound].repeat) {
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2004-04-04 17:21:03 +00:00
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driver->cursound_offset=0;
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2002-02-19 20:14:14 +00:00
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} else {
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2004-04-04 17:21:03 +00:00
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driver->cursound = -1;
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driver->nosound=0;
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2002-02-19 20:14:14 +00:00
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}
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}
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}
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return 0;
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2004-04-04 17:21:03 +00:00
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}
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static int sound_capture(chan_alsa_pvt_t *driver)
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{
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struct ast_frame *fr = &driver->fr;
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char *readbuf = ((char *)driver->buf) + AST_FRIENDLY_OFFSET;
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snd_pcm_sframes_t err;
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snd_pcm_sframes_t avail;
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snd_pcm_state_t alsa_state;
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/* Update positions */
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while ((avail = snd_pcm_avail_update (driver->capture_handle)) >= PERIOD_SIZE) {
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/* capture samples from sound card */
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err = snd_pcm_readi(driver->capture_handle, readbuf, PERIOD_SIZE);
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if (err == -EPIPE) {
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ast_log(LOG_ERROR, "XRUN read avail=%ld\n", avail);
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snd_pcm_prepare(driver->capture_handle);
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alsa_state = snd_pcm_state(driver->capture_handle);
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if (alsa_state == SND_PCM_STATE_PREPARED) {
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snd_pcm_start(driver->capture_handle);
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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continue;
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} else if (err == -ESTRPIPE) {
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ast_log(LOG_ERROR, "-ESTRPIPE\n");
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snd_pcm_prepare(driver->capture_handle);
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alsa_state = snd_pcm_state(driver->capture_handle);
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if (alsa_state == SND_PCM_STATE_PREPARED) {
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snd_pcm_start(driver->capture_handle);
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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continue;
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} else if (err < 0) {
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ast_log(LOG_ERROR, "Read error: %s\n", snd_strerror(err));
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return -1;
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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/* Now send captures samples */
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fr->frametype = AST_FRAME_VOICE;
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fr->src = type;
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fr->mallocd = 0;
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fr->subclass = AST_FORMAT_SLINEAR;
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fr->samples = PERIOD_SIZE;
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fr->datalen = PERIOD_SIZE * 2 ; /* 16bit = X * 2 */
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fr->data = readbuf;
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fr->offset = AST_FRIENDLY_OFFSET;
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2004-04-07 16:46:39 +00:00
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if (driver->owner) ast_queue_frame(driver->owner, fr);
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2004-04-04 17:21:03 +00:00
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}
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return 0; /* 0 = OK, !=0 -> Error */
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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static void *sound_thread(void *pvt)
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2002-02-19 20:14:14 +00:00
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{
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2004-04-04 17:21:03 +00:00
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chan_alsa_pvt_t *driver = (chan_alsa_pvt_t *)pvt;
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unsigned int nfds;
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unsigned int ci;
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unsigned short revents;
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snd_pcm_state_t alsa_state;
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2002-02-19 20:14:14 +00:00
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int res;
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2004-04-04 17:21:03 +00:00
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if (driver->playback_handle) {
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driver->playback_nfds =
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snd_pcm_poll_descriptors_count (
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driver->playback_handle);
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} else {
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driver->playback_nfds = 0;
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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if (driver->capture_handle) {
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driver->capture_nfds =
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snd_pcm_poll_descriptors_count (driver->capture_handle);
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} else {
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driver->capture_nfds = 0;
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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if (driver->pfd) {
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free (driver->pfd);
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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driver->pfd = (struct pollfd *)
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malloc (sizeof (struct pollfd) *
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(driver->playback_nfds + driver->capture_nfds + 2));
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nfds = 0;
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if (driver->playback_handle) {
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snd_pcm_poll_descriptors (driver->playback_handle,
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&driver->pfd[0],
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driver->playback_nfds);
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nfds += driver->playback_nfds;
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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ci = nfds;
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if (driver->capture_handle) {
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snd_pcm_poll_descriptors (driver->capture_handle,
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&driver->pfd[ci],
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driver->capture_nfds);
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nfds += driver->capture_nfds;
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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while (hookstate) {
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/* When no doing announcements */
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if (driver->cursound > -1) {
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res = poll(&driver->pfd[0], driver->playback_nfds, -1);
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} else {
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res = poll(&driver->pfd[ci], driver->capture_nfds, -1);
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2002-02-19 20:14:14 +00:00
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}
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2004-04-04 17:21:03 +00:00
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/* When doing announcements */
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if (driver->cursound > -1) {
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snd_pcm_poll_descriptors_revents(driver->playback_handle, &driver->pfd[0], driver->playback_nfds, &revents);
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if (revents & POLLOUT) {
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if (send_sound(driver)) {
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2002-02-19 20:14:14 +00:00
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ast_log(LOG_WARNING, "Failed to write sound\n");
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2004-04-04 17:21:03 +00:00
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}
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}
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} else {
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snd_pcm_poll_descriptors_revents(driver->capture_handle, &driver->pfd[ci], driver->capture_nfds, &revents);
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if (revents & POLLERR) {
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alsa_state = snd_pcm_state(driver->capture_handle);
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if (alsa_state == SND_PCM_STATE_XRUN) {
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snd_pcm_prepare(driver->capture_handle);
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}
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alsa_state = snd_pcm_state(driver->capture_handle);
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if (alsa_state == SND_PCM_STATE_PREPARED) {
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snd_pcm_start(driver->capture_handle);
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}
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}
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if (revents & POLLIN) {
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if (sound_capture(driver)) {
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ast_log(LOG_WARNING, "Failed to read sound\n");
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}
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}
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}
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2002-02-19 20:14:14 +00:00
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}
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/* Never reached */
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return NULL;
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}
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2004-04-04 17:21:03 +00:00
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static snd_pcm_t *alsa_card_init(chan_alsa_pvt_t *driver, char *dev, snd_pcm_stream_t stream)
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2002-02-19 20:14:14 +00:00
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{
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int err;
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2004-03-24 21:34:21 +00:00
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int direction;
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2002-02-19 20:14:14 +00:00
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snd_pcm_t *handle = NULL;
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snd_pcm_hw_params_t *hwparams = NULL;
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snd_pcm_sw_params_t *swparams = NULL;
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2004-04-04 17:21:03 +00:00
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snd_pcm_uframes_t period_size = PERIOD_SIZE;
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2004-03-24 21:34:21 +00:00
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snd_pcm_uframes_t buffer_size = 0;
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|
|
2002-02-19 20:14:14 +00:00
|
|
|
unsigned int rate = DESIRED_RATE;
|
|
|
|
snd_pcm_uframes_t start_threshold, stop_threshold;
|
|
|
|
|
|
|
|
err = snd_pcm_open(&handle, dev, stream, O_NONBLOCK);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "snd_pcm_open failed: %s\n", snd_strerror(err));
|
|
|
|
return NULL;
|
|
|
|
} else {
|
|
|
|
ast_log(LOG_DEBUG, "Opening device %s in %s mode\n", dev, (stream == SND_PCM_STREAM_CAPTURE) ? "read" : "write");
|
|
|
|
}
|
|
|
|
|
|
|
|
snd_pcm_hw_params_alloca(&hwparams);
|
|
|
|
snd_pcm_hw_params_any(handle, hwparams);
|
|
|
|
|
|
|
|
err = snd_pcm_hw_params_set_access(handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "set_access failed: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
|
|
|
|
err = snd_pcm_hw_params_set_format(handle, hwparams, format);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "set_format failed: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
|
|
|
|
err = snd_pcm_hw_params_set_channels(handle, hwparams, 1);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "set_channels failed: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
|
2004-03-24 21:34:21 +00:00
|
|
|
direction = 0;
|
|
|
|
err = snd_pcm_hw_params_set_rate_near(handle, hwparams, &rate, &direction);
|
|
|
|
|
2002-02-19 20:14:14 +00:00
|
|
|
if (rate != DESIRED_RATE) {
|
|
|
|
ast_log(LOG_WARNING, "Rate not correct, requested %d, got %d\n", DESIRED_RATE, rate);
|
|
|
|
}
|
|
|
|
|
2004-03-24 21:34:21 +00:00
|
|
|
direction = 0;
|
2004-04-04 17:21:03 +00:00
|
|
|
buffer_size = 4096 * 2; /* period_size * 16; */
|
2004-03-24 21:34:21 +00:00
|
|
|
err = snd_pcm_hw_params_set_period_size_near(handle, hwparams, &period_size, &direction);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (err < 0) {
|
2004-03-24 21:34:21 +00:00
|
|
|
ast_log(LOG_ERROR, "period_size(%ld frames) is bad: %s\n", period_size, snd_strerror(err));
|
2002-02-19 20:14:14 +00:00
|
|
|
} else {
|
|
|
|
ast_log(LOG_DEBUG, "Period size is %d\n", err);
|
|
|
|
}
|
|
|
|
|
2004-03-24 21:34:21 +00:00
|
|
|
err = snd_pcm_hw_params_set_buffer_size_near(handle, hwparams, &buffer_size);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (err < 0) {
|
2004-03-24 21:34:21 +00:00
|
|
|
ast_log(LOG_WARNING, "Problem setting buffer size of %ld: %s\n", buffer_size, snd_strerror(err));
|
2002-02-19 20:14:14 +00:00
|
|
|
} else {
|
|
|
|
ast_log(LOG_DEBUG, "Buffer size is set to %d frames\n", err);
|
|
|
|
}
|
|
|
|
|
2004-03-24 21:34:21 +00:00
|
|
|
#if 0
|
|
|
|
direction = 0;
|
2004-04-04 17:21:03 +00:00
|
|
|
err = snd_pcm_hw_params_set_periods_min(handle, hwparams, &per_min, &direction);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "periods_min: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
|
|
|
|
err = snd_pcm_hw_params_set_periods_max(handle, hwparams, &per_max, 0);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "periods_max: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
if (stream == SND_PCM_STREAM_CAPTURE) {
|
|
|
|
driver->capture_period_size=period_size;
|
|
|
|
driver->capture_buffer_size=buffer_size;
|
|
|
|
}
|
|
|
|
|
2002-02-19 20:14:14 +00:00
|
|
|
err = snd_pcm_hw_params(handle, hwparams);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "Couldn't set the new hw params: %s\n", snd_strerror(err));
|
2004-04-04 17:21:03 +00:00
|
|
|
return NULL;
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
snd_pcm_sw_params_alloca(&swparams);
|
|
|
|
snd_pcm_sw_params_current(handle, swparams);
|
|
|
|
|
|
|
|
#if 1
|
|
|
|
if (stream == SND_PCM_STREAM_PLAYBACK) {
|
2004-04-04 17:21:03 +00:00
|
|
|
start_threshold = period_size*3;
|
2002-02-19 20:14:14 +00:00
|
|
|
} else {
|
|
|
|
start_threshold = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = snd_pcm_sw_params_set_start_threshold(handle, swparams, start_threshold);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "start threshold: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if 1
|
|
|
|
if (stream == SND_PCM_STREAM_PLAYBACK) {
|
|
|
|
stop_threshold = buffer_size;
|
|
|
|
} else {
|
2004-04-04 17:21:03 +00:00
|
|
|
stop_threshold = buffer_size+1;
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
|
|
|
err = snd_pcm_sw_params_set_stop_threshold(handle, swparams, stop_threshold);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "stop threshold: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#if 0
|
2004-04-04 17:21:03 +00:00
|
|
|
err = snd_pcm_sw_params_set_xfer_align(handle, swparams, PERIOD_SIZE);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to set xfer alignment: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2004-03-24 21:34:21 +00:00
|
|
|
#if 0
|
2003-11-13 21:57:49 +00:00
|
|
|
err = snd_pcm_sw_params_set_silence_threshold(handle, swparams, silencethreshold);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to set silence threshold: %s\n", snd_strerror(err));
|
|
|
|
}
|
2004-03-24 21:34:21 +00:00
|
|
|
#endif
|
2002-02-19 20:14:14 +00:00
|
|
|
err = snd_pcm_sw_params(handle, swparams);
|
|
|
|
if (err < 0) {
|
|
|
|
ast_log(LOG_ERROR, "sw_params: %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
|
|
|
|
err = snd_pcm_poll_descriptors_count(handle);
|
|
|
|
if (err <= 0) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to get a poll descriptors count, error is %s\n", snd_strerror(err));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (err != 1) {
|
|
|
|
ast_log(LOG_DEBUG, "Can't handle more than one device\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
return handle;
|
|
|
|
}
|
|
|
|
|
2003-03-16 22:37:31 +00:00
|
|
|
static int soundcard_init(void)
|
2002-02-19 20:14:14 +00:00
|
|
|
{
|
2004-04-04 17:21:03 +00:00
|
|
|
alsa.capture_handle = alsa_card_init(&alsa, indevname, SND_PCM_STREAM_CAPTURE);
|
|
|
|
alsa.playback_handle = alsa_card_init(&alsa, outdevname, SND_PCM_STREAM_PLAYBACK);
|
|
|
|
if (!alsa.capture_buf) alsa.capture_buf=malloc(alsa.capture_buffer_size * 2);
|
2002-02-19 20:14:14 +00:00
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
if (!alsa.capture_handle || !alsa.playback_handle) {
|
2002-02-19 20:14:14 +00:00
|
|
|
ast_log(LOG_ERROR, "Problem opening alsa I/O devices\n");
|
2004-04-04 17:21:03 +00:00
|
|
|
if (alsa.capture_buf) {
|
|
|
|
free (alsa.capture_buf);
|
|
|
|
alsa.capture_buf=0;
|
|
|
|
}
|
2002-02-19 20:14:14 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
return 0; /* Success */
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int alsa_digit(struct ast_channel *c, char digit)
|
|
|
|
{
|
|
|
|
ast_verbose( " << Console Received digit %c >> \n", digit);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int alsa_text(struct ast_channel *c, char *text)
|
|
|
|
{
|
|
|
|
ast_verbose( " << Console Received text %s >> \n", text);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int alsa_call(struct ast_channel *c, char *dest, int timeout)
|
|
|
|
{
|
2004-04-04 17:21:03 +00:00
|
|
|
chan_alsa_pvt_t *driver = (chan_alsa_pvt_t *)c->pvt->pvt;
|
2002-02-19 20:14:14 +00:00
|
|
|
int res = 3;
|
2004-04-04 17:21:03 +00:00
|
|
|
struct ast_frame f = { 0, };
|
2002-02-19 20:14:14 +00:00
|
|
|
ast_verbose( " << Call placed to '%s' on console >> \n", dest);
|
|
|
|
if (autoanswer) {
|
|
|
|
ast_verbose( " << Auto-answered >> \n" );
|
2004-04-04 17:21:03 +00:00
|
|
|
f.frametype = AST_FRAME_CONTROL;
|
|
|
|
f.subclass = AST_CONTROL_ANSWER;
|
2004-04-07 16:46:39 +00:00
|
|
|
ast_queue_frame(c, &f);
|
2002-02-19 20:14:14 +00:00
|
|
|
} else {
|
2004-04-04 17:21:03 +00:00
|
|
|
driver->nosound = 1;
|
2002-02-19 20:14:14 +00:00
|
|
|
ast_verbose( " << Type 'answer' to answer, or use 'autoanswer' for future calls >> \n");
|
2004-04-04 17:21:03 +00:00
|
|
|
f.frametype = AST_FRAME_CONTROL;
|
|
|
|
f.subclass = AST_CONTROL_RINGING;
|
2004-04-07 16:46:39 +00:00
|
|
|
ast_queue_frame(c, &f);
|
2004-04-04 17:21:03 +00:00
|
|
|
driver->cursound = res;
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
static void answer_sound(chan_alsa_pvt_t *driver)
|
2002-02-19 20:14:14 +00:00
|
|
|
{
|
|
|
|
int res;
|
2004-04-04 17:21:03 +00:00
|
|
|
driver->nosound = 1;
|
|
|
|
driver->cursound = 4;
|
|
|
|
driver->cursound_offset = 0;
|
2002-02-19 20:14:14 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
static int alsa_answer(struct ast_channel *c)
|
|
|
|
{
|
2004-04-04 17:21:03 +00:00
|
|
|
chan_alsa_pvt_t *driver = (chan_alsa_pvt_t *)c->pvt->pvt;
|
2002-02-19 20:14:14 +00:00
|
|
|
ast_verbose( " << Console call has been answered >> \n");
|
2004-04-04 17:21:03 +00:00
|
|
|
answer_sound(driver);
|
2002-07-12 09:03:50 +00:00
|
|
|
ast_setstate(c, AST_STATE_UP);
|
2002-02-19 20:14:14 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
/* The new_channel is now freed. */
|
2002-02-19 20:14:14 +00:00
|
|
|
static int alsa_hangup(struct ast_channel *c)
|
|
|
|
{
|
|
|
|
int res;
|
2004-04-04 17:21:03 +00:00
|
|
|
chan_alsa_pvt_t *driver = (chan_alsa_pvt_t *)c->pvt->pvt;
|
|
|
|
|
|
|
|
driver->cursound = -1;
|
|
|
|
driver->nosound = 0;
|
|
|
|
if (hookstate) {
|
|
|
|
hookstate = 0;
|
|
|
|
}
|
|
|
|
pthread_join(driver->sound_thread, NULL);
|
|
|
|
/* snd_pcm_drain(driver->capture_handle); */
|
|
|
|
driver->owner = NULL;
|
2002-02-19 20:14:14 +00:00
|
|
|
c->pvt->pvt = NULL;
|
|
|
|
ast_verbose( " << Hangup on console >> \n");
|
2003-08-13 15:25:16 +00:00
|
|
|
ast_mutex_lock(&usecnt_lock);
|
2002-02-19 20:14:14 +00:00
|
|
|
usecnt--;
|
2003-08-13 15:25:16 +00:00
|
|
|
ast_mutex_unlock(&usecnt_lock);
|
2002-02-19 20:14:14 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int alsa_write(struct ast_channel *chan, struct ast_frame *f)
|
|
|
|
{
|
2004-04-04 17:21:03 +00:00
|
|
|
chan_alsa_pvt_t *driver = (chan_alsa_pvt_t *)chan->pvt->pvt;
|
2002-02-19 20:14:14 +00:00
|
|
|
int res;
|
|
|
|
static char sizbuf[8000];
|
|
|
|
static int sizpos = 0;
|
|
|
|
int len = sizpos;
|
|
|
|
int pos;
|
|
|
|
snd_pcm_state_t state;
|
2004-04-04 17:21:03 +00:00
|
|
|
snd_pcm_sframes_t delay = 0;
|
2002-02-19 20:14:14 +00:00
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
if (driver->nosound) {
|
|
|
|
return 0;
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
state = snd_pcm_state(driver->playback_handle);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (state == SND_PCM_STATE_XRUN) {
|
2004-04-04 17:21:03 +00:00
|
|
|
snd_pcm_prepare(driver->playback_handle);
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
res = snd_pcm_delay( driver->playback_handle, &delay );
|
|
|
|
if (delay > 4 * PERIOD_SIZE) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
res = snd_pcm_writei(driver->playback_handle, f->data, f->samples);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (res == -EPIPE) {
|
|
|
|
#if DEBUG
|
|
|
|
ast_log(LOG_DEBUG, "XRUN write\n");
|
|
|
|
#endif
|
2004-04-04 17:21:03 +00:00
|
|
|
snd_pcm_prepare(driver->playback_handle);
|
|
|
|
res = snd_pcm_writei(driver->playback_handle, f->data, f->samples);
|
|
|
|
if (res != f->samples) {
|
2002-02-19 20:14:14 +00:00
|
|
|
ast_log(LOG_ERROR, "Write error: %s\n", snd_strerror(res));
|
|
|
|
return -1;
|
|
|
|
} else if (res < 0) {
|
|
|
|
ast_log(LOG_ERROR, "Write error %s\n", snd_strerror(res));
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (res == -ESTRPIPE) {
|
|
|
|
ast_log(LOG_ERROR, "You've got some big problems\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct ast_frame *alsa_read(struct ast_channel *chan)
|
|
|
|
{
|
|
|
|
static struct ast_frame f;
|
2004-04-04 17:21:03 +00:00
|
|
|
static short __buf[PERIOD_SIZE + AST_FRIENDLY_OFFSET/2];
|
2002-02-19 20:14:14 +00:00
|
|
|
short *buf;
|
|
|
|
static int readpos = 0;
|
2004-04-04 17:21:03 +00:00
|
|
|
static int left = PERIOD_SIZE;
|
2002-02-19 20:14:14 +00:00
|
|
|
int res;
|
|
|
|
int b;
|
|
|
|
int nonull=0;
|
|
|
|
snd_pcm_state_t state;
|
|
|
|
int r = 0;
|
|
|
|
int off = 0;
|
2004-04-04 17:21:03 +00:00
|
|
|
/* FIXME: This should never been called */
|
|
|
|
ast_log(LOG_WARNING, "ALSA_READ!!!!!\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
#if 0
|
2002-02-19 20:14:14 +00:00
|
|
|
/* Acknowledge any pending cmd */
|
|
|
|
res = read(cmd[0], &b, sizeof(b));
|
|
|
|
if (res > 0)
|
|
|
|
nonull = 1;
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
|
|
|
|
f.frametype = AST_FRAME_NULL;
|
|
|
|
f.subclass = 0;
|
2002-11-29 02:14:13 +00:00
|
|
|
f.samples = 0;
|
2002-02-19 20:14:14 +00:00
|
|
|
f.datalen = 0;
|
|
|
|
f.data = NULL;
|
|
|
|
f.offset = 0;
|
|
|
|
f.src = type;
|
|
|
|
f.mallocd = 0;
|
|
|
|
|
|
|
|
if (needringing) {
|
|
|
|
f.frametype = AST_FRAME_CONTROL;
|
|
|
|
f.subclass = AST_CONTROL_RINGING;
|
|
|
|
needringing = 0;
|
|
|
|
return &f;
|
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
|
|
|
|
if (needhangup) {
|
|
|
|
needhangup = 0;
|
|
|
|
return NULL;
|
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (strlen(text2send)) {
|
|
|
|
f.frametype = AST_FRAME_TEXT;
|
|
|
|
f.subclass = 0;
|
|
|
|
f.data = text2send;
|
|
|
|
f.datalen = strlen(text2send);
|
|
|
|
strcpy(text2send,"");
|
|
|
|
return &f;
|
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (strlen(digits)) {
|
|
|
|
f.frametype = AST_FRAME_DTMF;
|
|
|
|
f.subclass = digits[0];
|
|
|
|
for (res=0;res<strlen(digits);res++)
|
|
|
|
digits[res] = digits[res + 1];
|
|
|
|
return &f;
|
|
|
|
}
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (needanswer) {
|
|
|
|
needanswer = 0;
|
|
|
|
f.frametype = AST_FRAME_CONTROL;
|
|
|
|
f.subclass = AST_CONTROL_ANSWER;
|
2002-07-12 09:03:50 +00:00
|
|
|
ast_setstate(chan, AST_STATE_UP);
|
2002-02-19 20:14:14 +00:00
|
|
|
return &f;
|
|
|
|
}
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (nonull)
|
|
|
|
return &f;
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
state = snd_pcm_state(alsa.playback_handle);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (state == SND_PCM_STATE_XRUN) {
|
2004-04-04 17:21:03 +00:00
|
|
|
snd_pcm_prepare(alsa.playback_handle);
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
ast_log(LOG_WARNING, "alsa: %s:%d\n", __FUNCTION__, __LINE__);
|
2002-02-19 20:14:14 +00:00
|
|
|
|
|
|
|
buf = __buf + AST_FRIENDLY_OFFSET/2;
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
r = snd_pcm_readi(alsa.capture_handle, buf + readpos, left);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (r == -EPIPE) {
|
|
|
|
#if DEBUG
|
|
|
|
ast_log(LOG_ERROR, "XRUN read\n");
|
|
|
|
#endif
|
2004-04-04 17:21:03 +00:00
|
|
|
snd_pcm_prepare(alsa.capture_handle);
|
2002-02-19 20:14:14 +00:00
|
|
|
} else if (r == -ESTRPIPE) {
|
|
|
|
ast_log(LOG_ERROR, "-ESTRPIPE\n");
|
2004-04-04 17:21:03 +00:00
|
|
|
snd_pcm_prepare(alsa.capture_handle);
|
2002-02-19 20:14:14 +00:00
|
|
|
} else if (r < 0) {
|
|
|
|
ast_log(LOG_ERROR, "Read error: %s\n", snd_strerror(r));
|
|
|
|
return NULL;
|
|
|
|
} else if (r >= 0) {
|
|
|
|
off -= r;
|
|
|
|
}
|
|
|
|
/* Update positions */
|
|
|
|
readpos += r;
|
|
|
|
left -= r;
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
if (readpos >= PERIOD_SIZE) {
|
2002-02-19 20:14:14 +00:00
|
|
|
/* A real frame */
|
|
|
|
readpos = 0;
|
2004-04-04 17:21:03 +00:00
|
|
|
left = PERIOD_SIZE;
|
2002-07-12 09:03:50 +00:00
|
|
|
if (chan->_state != AST_STATE_UP) {
|
2002-02-19 20:14:14 +00:00
|
|
|
/* Don't transmit unless it's up */
|
|
|
|
return &f;
|
|
|
|
}
|
|
|
|
f.frametype = AST_FRAME_VOICE;
|
|
|
|
f.subclass = AST_FORMAT_SLINEAR;
|
2004-04-04 17:21:03 +00:00
|
|
|
f.samples = PERIOD_SIZE;
|
|
|
|
f.datalen = PERIOD_SIZE * 2;
|
2002-02-19 20:14:14 +00:00
|
|
|
f.data = buf;
|
|
|
|
f.offset = AST_FRIENDLY_OFFSET;
|
|
|
|
f.src = type;
|
|
|
|
f.mallocd = 0;
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
{ static int fd = -1;
|
|
|
|
if (fd < 0)
|
|
|
|
fd = open("output.raw", O_RDWR | O_TRUNC | O_CREAT);
|
|
|
|
write(fd, f.data, f.datalen);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
return &f;
|
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
#endif
|
2002-02-19 20:14:14 +00:00
|
|
|
|
2004-04-08 19:19:24 +00:00
|
|
|
static int alsa_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
|
2002-02-19 20:14:14 +00:00
|
|
|
{
|
|
|
|
struct chan_alsa_pvt *p = newchan->pvt->pvt;
|
|
|
|
p->owner = newchan;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int alsa_indicate(struct ast_channel *chan, int cond)
|
|
|
|
{
|
2004-04-04 17:21:03 +00:00
|
|
|
chan_alsa_pvt_t *driver = (chan_alsa_pvt_t *)chan->pvt->pvt;
|
2002-02-19 20:14:14 +00:00
|
|
|
int res;
|
|
|
|
switch(cond) {
|
|
|
|
case AST_CONTROL_BUSY:
|
|
|
|
res = 1;
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_CONGESTION:
|
|
|
|
res = 2;
|
|
|
|
break;
|
|
|
|
case AST_CONTROL_RINGING:
|
|
|
|
res = 0;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ast_log(LOG_WARNING, "Don't know how to display condition %d on %s\n", cond, chan->name);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (res > -1) {
|
2004-04-04 17:21:03 +00:00
|
|
|
driver->cursound = res;
|
|
|
|
driver->cursound_offset = 0;
|
|
|
|
driver->nosound = 1;
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2004-04-04 17:21:03 +00:00
|
|
|
/* New channel is about to be used */
|
2002-02-19 20:14:14 +00:00
|
|
|
static struct ast_channel *alsa_new(struct chan_alsa_pvt *p, int state)
|
|
|
|
{
|
|
|
|
struct ast_channel *tmp;
|
2004-04-04 17:21:03 +00:00
|
|
|
snd_pcm_state_t alsa_state;
|
|
|
|
if (!p->capture_handle || !p->playback_handle) {
|
|
|
|
return 0;
|
|
|
|
}
|
2004-03-24 21:34:21 +00:00
|
|
|
tmp = ast_channel_alloc(1);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (tmp) {
|
|
|
|
snprintf(tmp->name, sizeof(tmp->name), "ALSA/%s", indevname);
|
|
|
|
tmp->type = type;
|
|
|
|
tmp->nativeformats = AST_FORMAT_SLINEAR;
|
|
|
|
tmp->pvt->pvt = p;
|
|
|
|
tmp->pvt->send_digit = alsa_digit;
|
|
|
|
tmp->pvt->send_text = alsa_text;
|
|
|
|
tmp->pvt->hangup = alsa_hangup;
|
|
|
|
tmp->pvt->answer = alsa_answer;
|
|
|
|
tmp->pvt->read = alsa_read;
|
|
|
|
tmp->pvt->call = alsa_call;
|
|
|
|
tmp->pvt->write = alsa_write;
|
|
|
|
tmp->pvt->indicate = alsa_indicate;
|
|
|
|
tmp->pvt->fixup = alsa_fixup;
|
|
|
|
if (strlen(p->context))
|
|
|
|
strncpy(tmp->context, p->context, sizeof(tmp->context)-1);
|
|
|
|
if (strlen(p->exten))
|
|
|
|
strncpy(tmp->exten, p->exten, sizeof(tmp->exten)-1);
|
|
|
|
if (strlen(language))
|
|
|
|
strncpy(tmp->language, language, sizeof(tmp->language)-1);
|
|
|
|
p->owner = tmp;
|
2004-04-04 17:21:03 +00:00
|
|
|
p->pfd = NULL;
|
2002-07-12 09:03:50 +00:00
|
|
|
ast_setstate(tmp, state);
|
2003-08-13 15:25:16 +00:00
|
|
|
ast_mutex_lock(&usecnt_lock);
|
2002-02-19 20:14:14 +00:00
|
|
|
usecnt++;
|
2003-08-13 15:25:16 +00:00
|
|
|
ast_mutex_unlock(&usecnt_lock);
|
2002-02-19 20:14:14 +00:00
|
|
|
ast_update_use_count();
|
|
|
|
if (state != AST_STATE_DOWN) {
|
|
|
|
if (ast_pbx_start(tmp)) {
|
|
|
|
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
|
|
|
|
ast_hangup(tmp);
|
|
|
|
tmp = NULL;
|
|
|
|
}
|
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
pthread_create(&p->sound_thread, NULL, sound_thread, (void *) p);
|
|
|
|
alsa_state = snd_pcm_state(p->capture_handle);
|
|
|
|
if (alsa_state == SND_PCM_STATE_XRUN) {
|
|
|
|
snd_pcm_prepare(p->capture_handle);
|
|
|
|
}
|
|
|
|
alsa_state = snd_pcm_state(p->capture_handle);
|
|
|
|
if (alsa_state == SND_PCM_STATE_PREPARED) {
|
|
|
|
snd_pcm_start(p->capture_handle);
|
|
|
|
}
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
|
|
|
return tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ast_channel *alsa_request(char *type, int format, void *data)
|
|
|
|
{
|
|
|
|
int oldformat = format;
|
|
|
|
struct ast_channel *tmp;
|
|
|
|
format &= AST_FORMAT_SLINEAR;
|
|
|
|
if (!format) {
|
|
|
|
ast_log(LOG_NOTICE, "Asked to get a channel of format '%d'\n", oldformat);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (alsa.owner) {
|
|
|
|
ast_log(LOG_NOTICE, "Already have a call on the ALSA channel\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
tmp= alsa_new(&alsa, AST_STATE_DOWN);
|
|
|
|
if (!tmp) {
|
|
|
|
ast_log(LOG_WARNING, "Unable to create new ALSA channel\n");
|
|
|
|
}
|
|
|
|
return tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int console_autoanswer(int fd, int argc, char *argv[])
|
|
|
|
{
|
|
|
|
if ((argc != 1) && (argc != 2))
|
|
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (argc == 1) {
|
|
|
|
ast_cli(fd, "Auto answer is %s.\n", autoanswer ? "on" : "off");
|
|
|
|
return RESULT_SUCCESS;
|
|
|
|
} else {
|
|
|
|
if (!strcasecmp(argv[1], "on"))
|
|
|
|
autoanswer = -1;
|
|
|
|
else if (!strcasecmp(argv[1], "off"))
|
|
|
|
autoanswer = 0;
|
|
|
|
else
|
|
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
}
|
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *autoanswer_complete(char *line, char *word, int pos, int state)
|
|
|
|
{
|
|
|
|
#ifndef MIN
|
|
|
|
#define MIN(a,b) ((a) < (b) ? (a) : (b))
|
|
|
|
#endif
|
|
|
|
switch(state) {
|
|
|
|
case 0:
|
|
|
|
if (strlen(word) && !strncasecmp(word, "on", MIN(strlen(word), 2)))
|
|
|
|
return strdup("on");
|
|
|
|
case 1:
|
|
|
|
if (strlen(word) && !strncasecmp(word, "off", MIN(strlen(word), 3)))
|
|
|
|
return strdup("off");
|
|
|
|
default:
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char autoanswer_usage[] =
|
|
|
|
"Usage: autoanswer [on|off]\n"
|
|
|
|
" Enables or disables autoanswer feature. If used without\n"
|
|
|
|
" argument, displays the current on/off status of autoanswer.\n"
|
|
|
|
" The default value of autoanswer is in 'alsa.conf'.\n";
|
|
|
|
|
|
|
|
static int console_answer(int fd, int argc, char *argv[])
|
|
|
|
{
|
2004-04-04 17:21:03 +00:00
|
|
|
struct ast_frame f = { AST_FRAME_CONTROL, AST_CONTROL_ANSWER };
|
2002-02-19 20:14:14 +00:00
|
|
|
if (argc != 1)
|
|
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (!alsa.owner) {
|
|
|
|
ast_cli(fd, "No one is calling us\n");
|
|
|
|
return RESULT_FAILURE;
|
|
|
|
}
|
|
|
|
hookstate = 1;
|
2004-04-07 16:46:39 +00:00
|
|
|
ast_queue_frame(alsa.owner, &f);
|
2004-04-04 17:21:03 +00:00
|
|
|
answer_sound(&alsa);
|
2002-02-19 20:14:14 +00:00
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char sendtext_usage[] =
|
|
|
|
"Usage: send text <message>\n"
|
|
|
|
" Sends a text message for display on the remote terminal.\n";
|
|
|
|
|
|
|
|
static int console_sendtext(int fd, int argc, char *argv[])
|
|
|
|
{
|
2002-11-29 02:14:13 +00:00
|
|
|
int tmparg = 2;
|
2004-04-04 17:21:03 +00:00
|
|
|
struct ast_frame f = { 0, };
|
2002-11-29 02:14:13 +00:00
|
|
|
if (argc < 2)
|
2002-02-19 20:14:14 +00:00
|
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (!alsa.owner) {
|
|
|
|
ast_cli(fd, "No one is calling us\n");
|
|
|
|
return RESULT_FAILURE;
|
|
|
|
}
|
|
|
|
if (strlen(text2send))
|
|
|
|
ast_cli(fd, "Warning: message already waiting to be sent, overwriting\n");
|
|
|
|
strcpy(text2send, "");
|
|
|
|
while(tmparg <= argc) {
|
|
|
|
strncat(text2send, argv[tmparg++], sizeof(text2send) - strlen(text2send));
|
|
|
|
strncat(text2send, " ", sizeof(text2send) - strlen(text2send));
|
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
if (strlen(text2send)) {
|
|
|
|
f.frametype = AST_FRAME_TEXT;
|
|
|
|
f.subclass = 0;
|
|
|
|
f.data = text2send;
|
|
|
|
f.datalen = strlen(text2send);
|
2004-04-07 16:46:39 +00:00
|
|
|
ast_queue_frame(alsa.owner, &f);
|
2004-04-04 17:21:03 +00:00
|
|
|
}
|
2002-02-19 20:14:14 +00:00
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char answer_usage[] =
|
|
|
|
"Usage: answer\n"
|
|
|
|
" Answers an incoming call on the console (ALSA) channel.\n";
|
|
|
|
|
|
|
|
static int console_hangup(int fd, int argc, char *argv[])
|
|
|
|
{
|
|
|
|
if (argc != 1)
|
|
|
|
return RESULT_SHOWUSAGE;
|
2004-04-04 17:21:03 +00:00
|
|
|
alsa.cursound = -1;
|
|
|
|
alsa.nosound = 0;
|
2002-02-19 20:14:14 +00:00
|
|
|
if (!alsa.owner && !hookstate) {
|
|
|
|
ast_cli(fd, "No call to hangup up\n");
|
|
|
|
return RESULT_FAILURE;
|
|
|
|
}
|
|
|
|
hookstate = 0;
|
2004-03-24 21:34:21 +00:00
|
|
|
if (alsa.owner) {
|
2004-04-07 16:46:39 +00:00
|
|
|
ast_queue_hangup(alsa.owner);
|
2004-03-24 21:34:21 +00:00
|
|
|
}
|
2002-02-19 20:14:14 +00:00
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char hangup_usage[] =
|
|
|
|
"Usage: hangup\n"
|
|
|
|
" Hangs up any call currently placed on the console.\n";
|
|
|
|
|
|
|
|
|
|
|
|
static int console_dial(int fd, int argc, char *argv[])
|
|
|
|
{
|
|
|
|
char tmp[256], *tmp2;
|
|
|
|
char *mye, *myc;
|
|
|
|
int b = 0;
|
2004-04-04 17:21:03 +00:00
|
|
|
int x;
|
|
|
|
struct ast_frame f = { AST_FRAME_DTMF, 0 };
|
2002-02-19 20:14:14 +00:00
|
|
|
if ((argc != 1) && (argc != 2))
|
|
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (alsa.owner) {
|
|
|
|
if (argc == 2) {
|
2004-04-04 17:21:03 +00:00
|
|
|
for (x=0;x<strlen(argv[1]);x++) {
|
|
|
|
f.subclass = argv[1][x];
|
2004-04-07 16:46:39 +00:00
|
|
|
ast_queue_frame(alsa.owner, &f);
|
2004-04-04 17:21:03 +00:00
|
|
|
}
|
2002-02-19 20:14:14 +00:00
|
|
|
} else {
|
|
|
|
ast_cli(fd, "You're already in a call. You can use this only to dial digits until you hangup\n");
|
|
|
|
return RESULT_FAILURE;
|
|
|
|
}
|
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
mye = exten;
|
|
|
|
myc = context;
|
|
|
|
if (argc == 2) {
|
2002-11-29 02:14:13 +00:00
|
|
|
char *stringp=NULL;
|
2002-02-19 20:14:14 +00:00
|
|
|
strncpy(tmp, argv[1], sizeof(tmp)-1);
|
2002-11-29 02:14:13 +00:00
|
|
|
stringp=tmp;
|
|
|
|
strsep(&stringp, "@");
|
|
|
|
tmp2 = strsep(&stringp, "@");
|
2002-02-19 20:14:14 +00:00
|
|
|
if (strlen(tmp))
|
|
|
|
mye = tmp;
|
|
|
|
if (tmp2 && strlen(tmp2))
|
|
|
|
myc = tmp2;
|
|
|
|
}
|
|
|
|
if (ast_exists_extension(NULL, myc, mye, 1, NULL)) {
|
|
|
|
strncpy(alsa.exten, mye, sizeof(alsa.exten)-1);
|
|
|
|
strncpy(alsa.context, myc, sizeof(alsa.context)-1);
|
|
|
|
hookstate = 1;
|
2004-03-24 21:34:21 +00:00
|
|
|
alsa_new(&alsa, AST_STATE_RINGING);
|
2002-02-19 20:14:14 +00:00
|
|
|
} else
|
|
|
|
ast_cli(fd, "No such extension '%s' in context '%s'\n", mye, myc);
|
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char dial_usage[] =
|
|
|
|
"Usage: dial [extension[@context]]\n"
|
|
|
|
" Dials a given extensison (";
|
|
|
|
|
|
|
|
|
|
|
|
static struct ast_cli_entry myclis[] = {
|
|
|
|
{ { "answer", NULL }, console_answer, "Answer an incoming console call", answer_usage },
|
|
|
|
{ { "hangup", NULL }, console_hangup, "Hangup a call on the console", hangup_usage },
|
|
|
|
{ { "dial", NULL }, console_dial, "Dial an extension on the console", dial_usage },
|
2002-11-29 02:14:13 +00:00
|
|
|
{ { "send", "text", NULL }, console_sendtext, "Send text to the remote device", sendtext_usage },
|
2002-02-19 20:14:14 +00:00
|
|
|
{ { "autoanswer", NULL }, console_autoanswer, "Sets/displays autoanswer", autoanswer_usage, autoanswer_complete }
|
|
|
|
};
|
|
|
|
|
|
|
|
int load_module()
|
|
|
|
{
|
|
|
|
int res;
|
|
|
|
int x;
|
|
|
|
int flags;
|
2003-04-12 14:03:09 +00:00
|
|
|
struct ast_config *cfg;
|
2002-02-19 20:14:14 +00:00
|
|
|
struct ast_variable *v;
|
2004-04-04 17:21:03 +00:00
|
|
|
#if 0
|
2002-02-19 20:14:14 +00:00
|
|
|
res = pipe(cmd);
|
|
|
|
res = pipe(sndcmd);
|
2004-04-04 17:21:03 +00:00
|
|
|
|
2002-02-19 20:14:14 +00:00
|
|
|
if (res) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to create pipe\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
flags = fcntl(cmd[0], F_GETFL);
|
|
|
|
fcntl(cmd[0], F_SETFL, flags | O_NONBLOCK);
|
|
|
|
flags = fcntl(cmd[1], F_GETFL);
|
|
|
|
fcntl(cmd[1], F_SETFL, flags | O_NONBLOCK);
|
2004-04-04 17:21:03 +00:00
|
|
|
#endif
|
2002-02-19 20:14:14 +00:00
|
|
|
#if 0
|
|
|
|
if (!full_duplex)
|
|
|
|
ast_log(LOG_WARNING, "XXX I don't work right with non-full duplex sound cards XXX\n");
|
|
|
|
#endif
|
|
|
|
res = ast_channel_register(type, tdesc, AST_FORMAT_SLINEAR, alsa_request);
|
|
|
|
if (res < 0) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to register channel class '%s'\n", type);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
for (x=0;x<sizeof(myclis)/sizeof(struct ast_cli_entry); x++)
|
|
|
|
ast_cli_register(myclis + x);
|
2003-04-12 22:26:09 +00:00
|
|
|
if ((cfg = ast_load(config))) {
|
2002-02-19 20:14:14 +00:00
|
|
|
v = ast_variable_browse(cfg, "general");
|
|
|
|
while(v) {
|
|
|
|
if (!strcasecmp(v->name, "autoanswer"))
|
|
|
|
autoanswer = ast_true(v->value);
|
|
|
|
else if (!strcasecmp(v->name, "silencesuppression"))
|
|
|
|
silencesuppression = ast_true(v->value);
|
|
|
|
else if (!strcasecmp(v->name, "silencethreshold"))
|
|
|
|
silencethreshold = atoi(v->value);
|
|
|
|
else if (!strcasecmp(v->name, "context"))
|
|
|
|
strncpy(context, v->value, sizeof(context)-1);
|
|
|
|
else if (!strcasecmp(v->name, "language"))
|
|
|
|
strncpy(language, v->value, sizeof(language)-1);
|
|
|
|
else if (!strcasecmp(v->name, "extension"))
|
|
|
|
strncpy(exten, v->value, sizeof(exten)-1);
|
2004-04-04 17:21:03 +00:00
|
|
|
else if (!strcasecmp(v->name, "input_device")) {
|
2002-02-19 20:14:14 +00:00
|
|
|
strncpy(indevname, v->value, sizeof(indevname)-1);
|
2004-04-04 17:21:03 +00:00
|
|
|
} else if (!strcasecmp(v->name, "output_device"))
|
2002-02-19 20:14:14 +00:00
|
|
|
strncpy(outdevname, v->value, sizeof(outdevname)-1);
|
|
|
|
v=v->next;
|
|
|
|
}
|
|
|
|
ast_destroy(cfg);
|
|
|
|
}
|
2004-04-04 17:21:03 +00:00
|
|
|
res = soundcard_init();
|
|
|
|
if (res < 0) {
|
|
|
|
close(cmd[1]);
|
|
|
|
close(cmd[0]);
|
|
|
|
if (option_verbose > 1) {
|
|
|
|
ast_verbose(VERBOSE_PREFIX_2 "No sound card detected -- console channel will be unavailable\n");
|
|
|
|
ast_verbose(VERBOSE_PREFIX_2 "Turn off ALSA support by adding 'noload=chan_alsa.so' in /etc/asterisk/modules.conf\n");
|
|
|
|
}
|
|
|
|
return 0;
|
2002-02-19 20:14:14 +00:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int unload_module()
|
|
|
|
{
|
|
|
|
int x;
|
|
|
|
for (x=0;x<sizeof(myclis)/sizeof(struct ast_cli_entry); x++)
|
|
|
|
ast_cli_unregister(myclis + x);
|
|
|
|
if (cmd[0] > 0) {
|
|
|
|
close(cmd[0]);
|
|
|
|
close(cmd[1]);
|
|
|
|
}
|
|
|
|
if (sndcmd[0] > 0) {
|
|
|
|
close(sndcmd[0]);
|
|
|
|
close(sndcmd[1]);
|
|
|
|
}
|
|
|
|
if (alsa.owner)
|
2002-07-12 09:03:50 +00:00
|
|
|
ast_softhangup(alsa.owner, AST_SOFTHANGUP_APPUNLOAD);
|
2002-02-19 20:14:14 +00:00
|
|
|
if (alsa.owner)
|
|
|
|
return -1;
|
2004-04-04 17:21:03 +00:00
|
|
|
if (alsa.capture_buf) {
|
|
|
|
free (alsa.capture_buf);
|
|
|
|
alsa.capture_buf=0;
|
|
|
|
}
|
2002-02-19 20:14:14 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
char *description()
|
|
|
|
{
|
|
|
|
return desc;
|
|
|
|
}
|
|
|
|
|
|
|
|
int usecount()
|
|
|
|
{
|
|
|
|
int res;
|
2003-08-13 15:25:16 +00:00
|
|
|
ast_mutex_lock(&usecnt_lock);
|
2002-02-19 20:14:14 +00:00
|
|
|
res = usecnt;
|
2003-08-13 15:25:16 +00:00
|
|
|
ast_mutex_unlock(&usecnt_lock);
|
2002-02-19 20:14:14 +00:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
char *key()
|
|
|
|
{
|
|
|
|
return ASTERISK_GPL_KEY;
|
|
|
|
}
|