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lcr/port.cpp

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/*****************************************************************************\
** **
** PBX4Linux **
** **
**---------------------------------------------------------------------------**
** Copyright: Andreas Eversberg **
** **
** port **
** **
\*****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include "main.h"
#define BETTERDELAY
//#define MIXER_DEBUG /* debug mixer buffer overflow and underrun */
class Port *port_first = NULL;
unsigned long port_serial = 1; /* must be 1, because 0== no port */
/* free epointlist relation
*/
void Port::free_epointlist(struct epoint_list *epointlist)
{
struct epoint_list *temp, **tempp;
temp = p_epointlist;
tempp = &p_epointlist;
while(temp)
{
if (temp == epointlist)
break;
tempp = &temp->next;
temp = temp->next;
}
if (temp == 0)
{
PERROR("SOFTWARE ERROR: epointlist not in port's list.\n");
return;
}
/* detach */
*tempp=temp->next;
/* free */
PDEBUG(DEBUG_EPOINT, "PORT(%d) removed epoint from port\n", p_serial);
memset(temp, 0, sizeof(struct epoint_list));
free(temp);
ememuse--;
}
void Port::free_epointid(unsigned long epoint_id)
{
struct epoint_list *temp, **tempp;
temp = p_epointlist;
tempp = &p_epointlist;
while(temp)
{
if (temp->epoint_id == epoint_id)
break;
tempp = &temp->next;
temp = temp->next;
}
if (temp == 0)
{
PERROR("epoint_id not in port's list, exitting.\n");
return;
}
/* detach */
*tempp=temp->next;
/* free */
PDEBUG(DEBUG_EPOINT, "PORT(%d) removed epoint from port\n", p_serial);
memset(temp, 0, sizeof(struct epoint_list));
free(temp);
ememuse--;
}
/* create new epointlist relation
*/
struct epoint_list *Port::epointlist_new(unsigned long epoint_id)
{
struct epoint_list *epointlist, **epointlistpointer;
/* epointlist structure */
epointlist = (struct epoint_list *)calloc(1, sizeof(struct epoint_list));
if (!epointlist)
{
PERROR("no mem for allocating epoint_list\n");
return(0);
}
ememuse++;
PDEBUG(DEBUG_EPOINT, "PORT(%d) allocating epoint_list.\n", p_serial);
memset(epointlist, 0, sizeof(struct epoint_list));
/* add epoint_list to chain */
epointlist->next = NULL;
epointlistpointer = &p_epointlist;
while(*epointlistpointer)
epointlistpointer = &((*epointlistpointer)->next);
*epointlistpointer = epointlist;
/* link to epoint */
epointlist->epoint_id = epoint_id;
epointlist->active = 1;
return(epointlist);
}
/*
* port constructor
*/
Port::Port(int type, char *portname, struct port_settings *settings)
{
class Port *temp, **tempp;
PDEBUG(DEBUG_PORT, "new port of type %d, name '%s'\n", type, portname);
/* initialize object */
if (settings)
memcpy(&p_settings, settings, sizeof(struct port_settings));
else
{
memset(&p_settings, 0, sizeof(p_settings));
SCPY(p_settings.tones_dir, options.tones_dir);
}
SCPY(p_name, portname);
SCPY(p_tone_dir, p_settings.tones_dir); // just to be sure
p_type = type;
p_serial = port_serial++;
p_debug_nothingtosend = 0;
p_tone_fh = -1;
p_tone_fetched = NULL;
p_tone_name[0] = '\0';
// p_knock_fh = -1;
// p_knock_fetched = NULL;
p_state = PORT_STATE_IDLE;
p_epointlist = NULL;
memset(&p_callerinfo, 0, sizeof(p_callerinfo));
memset(&p_dialinginfo, 0, sizeof(p_dialinginfo));
memset(&p_connectinfo, 0, sizeof(p_connectinfo));
memset(&p_redirinfo, 0, sizeof(p_redirinfo));
memset(&p_capainfo, 0, sizeof(p_capainfo));
memset(p_mixer_buffer, 0, sizeof(p_mixer_buffer));
memset(p_record_buffer, 0, sizeof(p_record_buffer));
memset(p_stereo_buffer, 0, sizeof(p_stereo_buffer));
p_mixer_rel = NULL;
p_mixer_readp = 0;
p_echotest = 0;
next = NULL;
p_record = NULL;
p_record_type = 0;
p_record_length = 0;
p_record_filename[0] = '\0';
/* append port to chain */
temp = port_first;
tempp = &port_first;
while(temp)
{
tempp = &temp->next;
temp = temp->next;
}
*tempp = this;
classuse++;
}
/*
* port destructor
*/
Port::~Port(void)
{
struct mixer_relation *relation, *rtemp;
class Port *temp, **tempp;
struct message *message;
if (p_record)
close_record(0);
classuse--;
PDEBUG(DEBUG_PORT, "removing port of type %d, name '%s'\n", p_type, p_name);
/* free mixer relation chain */
relation = p_mixer_rel;
while(relation)
{
rtemp = relation;
relation = relation->next;
memset(rtemp, 0, sizeof(struct mixer_relation));
free(rtemp);
pmemuse--;
}
p_mixer_rel = NULL; /* beeing paranoid */
/* disconnect port from endpoint */
while(p_epointlist)
{
/* send disconnect */
message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
message->param.disconnectinfo.cause = 16;
message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
message_put(message);
/* remove endpoint */
free_epointlist(p_epointlist);
}
/* remove port from chain */
temp=port_first;
tempp=&port_first;
while(temp)
{
if (temp == this)
break;
tempp = &temp->next;
temp = temp->next;
}
if (temp == NULL)
{
PERROR("PORT(%s) port not in port's list.\n", p_name);
exit(-1);
}
/* detach */
*tempp=this->next;
/* close open tones file */
if (p_tone_fh >= 0)
{
close(p_tone_fh);
p_tone_fh = -1;
fhuse--;
}
p_tone_fetched = NULL;
}
PORT_STATE_NAMES
/* set new endpoint state
*/
void Port::new_state(int state)
{
PDEBUG(DEBUG_PORT, "PORT(%s) new state %s --> %s\n", p_name, state_name[p_state], state_name[state]);
p_state = state;
}
/*
* find the port using h323 token
*/
class Port *find_port_with_token(char *name)
{
class Port *port = port_first;
while(port)
{
//printf("comparing: '%s' with '%s'\n", name, p_name);
if ((port->p_type==PORT_TYPE_H323_IN || port->p_type==PORT_TYPE_H323_OUT) && !strcmp(port->p_name, name))
return(port);
port = port->next;
}
return(NULL);
}
/*
* find the port with port_id
*/
class Port *find_port_id(unsigned long port_id)
{
class Port *port = port_first;
while(port)
{
//printf("comparing: '%s' with '%s'\n", name, port->name);
if (port->p_serial == port_id)
return(port);
port = port->next;
}
return(NULL);
}
#if 0
/*
* open the knock sound
*/
void Port::set_knock(char *tones_dir_epoint)
{
char filename[128], *tones_dir;
/* check if we have the epoint override the tones_dir of options.conf */
tones_dir = options.tones_dir;
if (tones_dir_epoint[0])
{
tones_dir = tones_dir_epoint;
}
if (p_knock_fh >= 0)
{
close(p_knock_fh);
p_knock_fh = -1;
fhuse--;
}
p_knock_fetched = NULL;
if ((p_knock_fetched=open_tone_fetched(tones_dir, "knock", &p_knock_codec, &p_knock_size, &p_knock_left)))
{
PDEBUG(DEBUG_PORT, "PORT(%s) opening fetched tone: %s\n", p_name, "knock");
return;
}
SPRINT(filename, "%s/%s/knock", INSTALL_DATA, tones_dir);
if ((p_knock_fh=open_tone(filename, &p_knock_codec, &p_knock_size, &p_knock_left)) >= 0)
{
PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename);
fhuse++;
} else
{
p_knock_fh = -1;
}
}
#endif
/*
* set echotest
*/
void Port::set_echotest(int echotest)
{
p_echotest = echotest;
}
/*
* set the file in the tone directory with the given name
*/
void Port::set_tone(char *dir, char *name)
{
int fh;
char filename[128];
if (name == NULL)
name = "";
#if 0
/* knocking ? */
if (!strcmp(name, "knock"))
{
set_knock(tones_dir_epoint);
return;
}
#endif
/* no counter, no eof, normal speed */
p_tone_counter = 0;
p_tone_eof = 0;
p_tone_speed = 1;
p_tone_codec = CODEC_LAW;
if (p_tone_fh >= 0)
{
close(p_tone_fh);
p_tone_fh = -1;
fhuse--;
}
p_tone_fetched = NULL;
if (name[0])
{
if (name[0] == '/')
{
SPRINT(p_tone_name, "%s", name);
p_tone_dir[0] = '\0';
} else
{
SCPY(p_tone_dir, dir);
SCPY(p_tone_name, name);
}
} else
{
p_tone_name[0]= '\0';
p_tone_dir[0]= '\0';
return;
}
if (!!strncmp(name,"cause_",6))
return;
/* now we check if the cause exists, otherwhise we use error tone. */
if ((p_tone_fetched=open_tone_fetched(p_tone_dir, p_tone_name, &p_tone_codec, 0, 0)))
{
p_tone_fetched = NULL;
return;
}
SPRINT(filename, "%s_loop", p_tone_name);
if ((p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, 0, 0)))
{
p_tone_fetched = NULL;
return;
}
SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name);
if ((fh=open_tone(filename, &p_tone_codec, 0, 0)) >= 0)
{
close(fh);
return;
}
SPRINT(filename, "%s/%s/%s_loop", INSTALL_DATA, p_tone_dir, p_tone_name);
if ((fh=open_tone(filename, &p_tone_codec, 0, 0)) >= 0)
{
close(fh);
return;
}
if (!strcmp(name,"cause_00") || !strcmp(name,"cause_10"))
{
PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using release tone\n", p_name, name+6);
SPRINT(p_tone_name,"release");
} else
if (!strcmp(name,"cause_11"))
{
PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using busy tone\n", p_name, name+6);
SPRINT(p_tone_name,"busy");
} else
{
PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using error tone\n", p_name, name+6);
SPRINT(p_tone_name,"error");
}
}
/*
* set the file in the tone directory for vbox playback
* also set the play_eof-flag
*/
void Port::set_vbox_tone(char *dir, char *name)
{
char filename[256];
p_tone_speed = 1;
p_tone_counter = 0;
p_tone_codec = CODEC_LAW;
p_tone_eof = 1;
if (p_tone_fh >= 0)
{
close(p_tone_fh);
p_tone_fh = -1;
fhuse--;
}
p_tone_fetched = NULL;
SPRINT(p_tone_dir, dir);
SPRINT(p_tone_name, name);
/* now we check if the cause exists, otherwhise we use error tone. */
if (p_tone_dir[0])
{
if ((p_tone_fetched=open_tone_fetched(p_tone_dir, p_tone_name, &p_tone_codec, &p_tone_size, &p_tone_left)))
{
PDEBUG(DEBUG_PORT, "PORT(%s) opening fetched tone: %s\n", p_name, p_tone_name);
return;
}
SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name);
if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) >= 0)
{
fhuse++;
PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename);
return;
}
} else
{
SPRINT(filename, "%s", p_tone_name);
if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) >= 0)
{
fhuse++;
PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename);
return;
}
}
}
/*
* set the file in the given directory for vbox playback
* also set the eof-flag
* also set the counter-flag
*/
void Port::set_vbox_play(char *name, int offset)
{
signed long size;
struct message *message;
/* use ser_box_tone() */
set_vbox_tone("", name);
if (p_tone_fh < 0)
return;
/* enable counter */
p_tone_counter = 1;
/* seek */
if (p_tone_name[0])
{
//printf("\n\n\n tone_codec = %d\n\n\n\n",p_tone_codec);
#if 0
switch(p_tone_codec)
{
case CODEC_LAW:
case CODEC_8BIT:
lseek(p_tone_fh, offset*8000L, SEEK_SET);
size = p_tone_size / 8000L;
if (offset*8000L <= p_tone_left)
p_tone_left -= offset*8000L;
break;
case CODEC_MONO:
lseek(p_tone_fh, offset*16000L, SEEK_SET);
size = p_tone_size / 16000L;
if (offset*16000L <= p_tone_left)
p_tone_left -= offset*16000L;
//printf("\n\n\n size = %d\n\n\n\n",size);
break;
case CODEC_STEREO:
lseek(p_tone_fh, offset*32000L, SEEK_SET);
size = p_tone_size / 32000L;
if (offset*32000L <= p_tone_left)
p_tone_left -= offset*32000L;
break;
default:
PERROR("no codec specified! exitting...\n");
exit(-1);
}
#else
lseek(p_tone_fh, offset*8000L, SEEK_SET);
size = p_tone_size / 8000L;
if (offset*8000L <= p_tone_left)
p_tone_left -= offset*8000L;
#endif
/* send message with counter value */
if (p_tone_size>=0 && ACTIVE_EPOINT(p_epointlist))
{
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_COUNTER);
message->param.counter.current = offset;
message->param.counter.max = size;
message_put(message);
}
}
}
/*
* set the playback speed (for recording playback with different speeds)
*/
void Port::set_vbox_speed(int speed)
{
/* enable vbox play mode */
p_tone_speed = speed;
}
/* write data to port's mixer buffer
* it will be read by the port using read_audio
* synchronisation is also done when writing is too fast and buffer is full
* the mixer buffer will only mix what cannot be mixed by kernel mixer
*
* also write data to the record buffer. the record buffer will mix everything.
*/
void Port::mixer(union parameter *param)
{
struct mixer_relation *relation, **relationpointer;
int len;
unsigned char *data;
signed short *data_16;
int writep;
signed long *buffer, *record;
int must_mix = 1; /* set, if we need to mix (not done by kernel) */
/* we do not mix if we have audio from ourself but we need to record
* unless we have a local echo enabled
*/
if (param->data.port_id==p_serial && !p_echotest)
must_mix = 0;
if ((param->data.port_type&PORT_CLASS_MASK)==PORT_CLASS_mISDN
&& (p_type&PORT_CLASS_MASK)==PORT_CLASS_mISDN)
{
must_mix = 0;
}
if (!p_record && !must_mix) /* if we do not record AND no need to mix */
{
return;
}
/* get the relation to the write pointer. if no relation exists
* for the given source port, we create one.
*/
relation = p_mixer_rel;
relationpointer = &(p_mixer_rel);
if (!relation) /* there is no relation at all */
{
/* clear buffer to 0-volume and reset writep */
memset(p_mixer_buffer, 0, sizeof(p_mixer_buffer));
memset(p_record_buffer, 0, sizeof(p_record_buffer));
memset(p_stereo_buffer, 0, sizeof(p_stereo_buffer));
} else /* else because we do not need to run a 0-loop */
while(relation)
{
if (relation->port_id == param->data.port_id)
break;
relationpointer = &(relation->next);
relation = relation->next;
}
if (!relation)
{
relation = *relationpointer = (struct mixer_relation *)calloc(1, sizeof(struct mixer_relation));
if (!relation)
{
PERROR("fatal error: cannot alloc memory for port mixer relation\n");
return; /* no mem */
}
pmemuse++;
memset(relation, 0, sizeof(struct mixer_relation));
relation->port_id = param->data.port_id;
/* put write buffer in front of read buffer */
#ifndef BETTERDELAY
relation->mixer_writep = (p_mixer_readp+(PORT_BUFFER/2))%PORT_BUFFER;
#else
relation->mixer_writep = p_mixer_readp;
#endif
#ifdef MIXER_DEBUG
PDEBUG(DEBUG_PORT, "PORT(%s) Adding new mixer relation from port #%d (readp=%d, writep=%d, PORT_BUFFER=%d).\n", p_name, param->data.port_id, p_mixer_readp, relation->mixer_writep, PORT_BUFFER);
#endif
}
/* adding remote's audio data to our mixer_buffer / record_buffer */
len = param->data.len;
if (param->data.compressed == 0) /* in case of 16 bit data */
len >>= 1;
if (len>PORT_BUFFER)
PERROR("fatal error: audio data from remote port #%d is larger than mixer buffer %d>%d\n", param->data.port_id, len, PORT_BUFFER);
writep = relation->mixer_writep;
buffer = p_mixer_buffer;
record = p_record_buffer;
/* if stereo should be recorded */
if (param->data.port_id == p_serial)
if (p_record_type == CODEC_STEREO)
record = p_stereo_buffer;
/* NOTE: if read and write pointer are equal, the buffer is full */
if ((p_mixer_readp-writep+PORT_BUFFER)%PORT_BUFFER < len) /* we would overrun the read pointer */
{
#ifdef MIXER_DEBUG
PERROR("PORT(%s) buffer overrun, source port #%d is sending too fast. (dropping %d samples)\n", p_name, param->data.port_id, len);
#endif
// we do not resync since dropping causes slowing writepointer down anyway...
//relation->mixer_writep = (p_mixer_readp+(PORT_BUFFER/2))%PORT_BUFFER;
return;
}
if (!p_record && must_mix)
{
/* WE MUST MIX BUT DO NOT RECORD */
if (param->data.compressed)
{
/* compressed data */
data = param->data.data;
if (len+writep >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */
while(writep < PORT_BUFFER) /* write till buffer end */
buffer[writep++] += audio_law_to_s32[*(data++)];
writep = 0;
}
while(len--) /* write rest */
buffer[writep++] += audio_law_to_s32[*(data++)];
} else
{
/* uncompressed data */
data_16 = (signed short *)param->data.data;
if (len+writep >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */
while(writep < PORT_BUFFER) /* write till buffer end */
buffer[writep++] += *(data_16++);
writep = 0;
}
while(len--) /* write rest */
buffer[writep++] += *(data_16++);
}
} else /* else */
if (p_record && !must_mix)
{
/* WE MUST RECORD BUT DO NOT MIX */
if (param->data.compressed)
{
/* compressed data */
data = param->data.data;
if (len+writep >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */
while(writep < PORT_BUFFER) /* write till buffer end */
record[writep++] += audio_law_to_s32[*(data++)];
writep = 0;
}
while(len--) /* write rest */
record[writep++] += audio_law_to_s32[*(data++)];
} else
{
/* uncompressed data */
data_16 = (signed short *)param->data.data;
if (len+writep >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */
while(writep < PORT_BUFFER) /* write till buffer end */
record[writep++] += *(data_16++);
writep = 0;
}
while(len--) /* write rest */
record[writep++] += *(data_16++);
}
} else
{
/* WE MUST MIX AND MUST RECORD */
if (param->data.compressed)
{
/* compressed data */
data = param->data.data;
if (len+writep >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */
while(writep < PORT_BUFFER) /* write till buffer end */
{
buffer[writep] += audio_law_to_s32[*data];
record[writep++] += audio_law_to_s32[*(data++)];
}
writep = 0;
}
while(len--) /* write rest */
{
buffer[writep] += audio_law_to_s32[*data];
record[writep++] += audio_law_to_s32[*(data++)];
}
} else
{
/* uncompressed data */
data_16 = (signed short *)param->data.data;
if (len+writep >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */
while(writep < PORT_BUFFER) /* write till buffer end */
{
buffer[writep] += *data_16;
record[writep++] += *(data_16++);
}
writep = 0;
}
while(len--) /* write rest */
{
buffer[writep] += *data_16;
record[writep++] += *(data_16++);
}
}
}
relation->mixer_writep = writep; /* new write pointer */
// PDEBUG(DEBUG_PORT "written data len=%d port=%d (readp=%d, writep=%d, PORT_BUFFER=%d).\n", param->data.len, param->data.port_id, p_mixer_readp, relation->mixer_writep, PORT_BUFFER);
}
/*
* read from the given file as specified in port_set_tone and return sample data
* this data is mixed with the user space mixer (if anything mixed) and
* filled into the buffer as many as given by length.
* if compressed is true, the result in buffer is alaw/ulaw-compressed
* otherwhise it is 16 bit audio. in this case the buffer size must be twice the lenght.
* the length is the number of samples, not bytes in buffer!
*/
int Port::read_audio(unsigned char *buffer, int length, int compressed)
{
int l,len;
unsigned short temp_buffer[PORT_BUFFER]; /* buffer for up to 32 bit of data */
int codec_in; /* current codec to use */
unsigned char *buf_in8; /* buffer pointer for alaw/ulaw/8bit data */
signed short *buf_in16; /* buffer pointer for alaw/ulaw/8bit data */
signed short *buf_out16; /* buffer pointer for outgoing audio data */
signed long *mix_buffer, *mix_buffer2, sample; /* pointer to mixer buffer */
struct mixer_relation *relation, **relationpointer;
int readp;
int nodata=0; /* to detect 0-length files */
char filename[128];
signed short record_buffer[PORT_BUFFER<<1], *rec_buffer; /* buffer of recorded part which will be written (*2 for stereo) */
unsigned char *rec8_buffer; /* used to send 8-bit audio (wave-8bit, law) */
int tone_left_before; /* temp variable to determine the change in p_tone_left */
/* nothing */
if (length == 0)
return(0);
/* just in case, we get too much to do */
if (length > PORT_BUFFER-1)
length = PORT_BUFFER-1;
len = length;
buf_in8 = (unsigned char *)temp_buffer;
buf_in16 = (signed short *)temp_buffer;
codec_in = p_tone_codec;
/* if there is no tone set, use silence */
if (p_tone_name[0] == 0)
{
codec_in = CODEC_LAW;
rest_is_silence:
switch(codec_in)
{
case CODEC_LAW:
memset(buf_in8, (options.law=='a')?0x2a:0xff, len); /* silence */
break;
case CODEC_MONO:
case CODEC_8BIT:
case CODEC_STEREO:
memset(buf_in16, 0, len<<1); /* silence */
break;
default:
PERROR("Software error: no codec during silence\n");
exit(-1);
}
goto mix_to_buffer;
}
/* if the file pointer is not open, we open it */
if (p_tone_fh<0 && p_tone_fetched==NULL)
{
if (p_tone_dir[0])
{
SPRINT(filename, "%s", p_tone_name);
/* if file does not exist */
if (!(p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, &p_tone_size, &p_tone_left)))
{
SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name);
/* if file does not exist */
if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
{
PDEBUG(DEBUG_PORT, "PORT(%s) no tone: %s\n", p_name, filename);
goto try_loop;
}
fhuse++;
}
} else
{
SPRINT(filename, "%s", p_tone_name);
/* if file does not exist */
if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
{
PDEBUG(DEBUG_PORT, "PORT(%s) no tone: %s\n", p_name, filename);
goto try_loop;
}
fhuse++;
}
codec_in = p_tone_codec;
//printf("\n\ncodec=%d\n\n\n", p_tone_codec);
PDEBUG(DEBUG_PORT, "PORT(%s) opening %stone: %s\n", p_name, p_tone_fetched?"fetched ":"", filename);
}
read_more:
/* file descriptor is open read data */
tone_left_before = p_tone_left;
if (p_tone_fh >= 0)
{
switch(codec_in)
{
case CODEC_LAW:
l = read_tone(p_tone_fh, buf_in8, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed);
if (l<0 || l>len) /* paranoia */
l=0;
buf_in8 += l;
len -= l;
break;
case CODEC_8BIT:
l = read_tone(p_tone_fh, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed);
if (l<0 || l>len) /* paranoia */
l=0;
buf_in16 += l;
len -= l;
break;
case CODEC_MONO:
l = read_tone(p_tone_fh, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed);
if (l<0 || l>len) /* paranoia */
l=0;
buf_in16 += l;
len -= l;
break;
case CODEC_STEREO:
l = read_tone(p_tone_fh, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed);
if (l<0 || l>len) /* paranoia */
l=0;
buf_in16 += l;
len -= l;
break;
default:
PERROR("Software error: current tone reading has no codec\n");
exit(-1);
}
}
if (p_tone_fetched)
{
switch(codec_in)
{
case CODEC_LAW:
l = read_tone_fetched(&p_tone_fetched, buf_in8, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed);
if (l<0 || l>len) /* paranoia */
l=0;
buf_in8 += l;
len -= l;
break;
case CODEC_MONO:
l = read_tone_fetched(&p_tone_fetched, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed);
if (l<0 || l>len) /* paranoia */
l=0;
buf_in16 += l;
len -= l;
break;
default:
PERROR("Software error: current tone reading has no codec\n");
exit(-1);
}
}
/* if counter is enabled, we check if we have a change */
if (p_tone_counter && p_tone_size>=0 && ACTIVE_EPOINT(p_epointlist))
{
/* if we jumed to the next second */
if (((p_tone_size-p_tone_left)/8000) != (p_tone_size-tone_left_before)/8000)
{
//printf("\nsize=%d left=%d\n\n",p_tone_size,p_tone_left);
struct message *message;
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_COUNTER);
message->param.counter.current = (p_tone_size-p_tone_left)/8000;
message->param.counter.max = -1;
message_put(message);
}
}
if (len==0)
goto mix_to_buffer;
if (p_tone_fh >= 0)
{
close(p_tone_fh);
p_tone_fh = -1;
fhuse--;
}
p_tone_fetched = NULL;
if (l)
nodata=0;
/* if the file has 0-length */
if (nodata>1)
{
PDEBUG(DEBUG_PORT, "PORT(%s) 0-length loop: %s\n", p_name, filename);
p_tone_name[0]=0;
p_tone_dir[0]=0;
goto rest_is_silence;
}
/* if eof is reached, or if the normal file cannot be opened, continue with the loop file if possible */
try_loop:
if (p_tone_eof && ACTIVE_EPOINT(p_epointlist))
{
struct message *message;
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_EOF);
message_put(message);
}
if (p_tone_dir[0])
{
/* if file does not exist */
SPRINT(filename, "%s_loop", p_tone_name);
if (!(p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, &p_tone_size, &p_tone_left)))
{
SPRINT(filename, "%s/%s/%s_loop", INSTALL_DATA, p_tone_dir, p_tone_name);
/* if file does not exist */
if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
{
PDEBUG(DEBUG_PORT, "PORT(%s) no tone loop: %s\n",p_name, filename);
p_tone_dir[0] = '\0';
p_tone_name[0] = '\0';
// codec_in = CODEC_LAW;
goto rest_is_silence;
}
fhuse++;
}
} else
{
SPRINT(filename, "%s_loop", p_tone_name);
/* if file does not exist */
if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
{
PDEBUG(DEBUG_PORT, "PORT(%s) no tone loop: %s\n",p_name, filename);
p_tone_dir[0] = '\0';
p_tone_name[0] = '\0';
// codec_in = CODEC_LAW;
goto rest_is_silence;
}
fhuse++;
}
codec_in = p_tone_codec;
nodata++;
PDEBUG(DEBUG_PORT, "PORT(%s) opening %stone: %s\n", p_name, p_tone_fetched?"fetched ":"", filename);
/* now we have opened the loop */
goto read_more;
/* **********
* now we mix
* we take the buffer content and mix the mixer_buffer to what we got
*/
mix_to_buffer:
/* release all writepointer which will underrun, since writing of
* remote port data is too slow
*/
relation = p_mixer_rel;
readp = p_mixer_readp;
relationpointer = &(p_mixer_rel);
while(relation) /* if no relation, this is skipped */
{
/* NOTE: if writep and readp are equal, the distance ist max
* == PORT_BUFFER
*/
if (((relation->mixer_writep-readp-1+PORT_BUFFER)%PORT_BUFFER)+1 <= length) /* underrun */
{
/* remove port relation in order to resync.
* this is also caused by ports which do not transmit
* anymore.
*/
#ifdef MIXER_DEBUG
PERROR("PORT(%s) Buffer underrun, source port is sending too slow or stopped sending, removing relation. (readp=%d, writep=%d, PORT_BUFFER=%d)\n", p_name, readp, relation->mixer_writep, PORT_BUFFER);
#endif
*relationpointer = relation->next;
memset(relation, 0, sizeof(struct mixer_relation));
free(relation);
pmemuse--;
relation = *relationpointer;
continue;
}
relationpointer = &(relation->next);
relation = relation->next;
}
/* if we do recording, we write the record data and the buffer data to the record fp and increment record_count */
if (p_record)
switch (p_record_type)
{
case CODEC_MONO:
/* convert from mixer to uncompressed 16 bit mono audio */
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
len = length;
mix_buffer = p_record_buffer;
rec_buffer = record_buffer;
buf_in16 = (signed short *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length<<1), 1, p_record);
p_record_length = (length<<1) + p_record_length;
}
break;
case CODEC_LAW:
len = length;
mix_buffer = p_record_buffer;
rec_buffer = record_buffer;
buf_in8 = (unsigned char *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length<<1), 1, p_record);
p_record_length = (length<<1) + p_record_length;
}
break;
}
break;
case CODEC_STEREO:
/* convert from mixer to uncompressed 16 bit stereo audio */
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
len = length;
mix_buffer = p_record_buffer;
mix_buffer2 = p_stereo_buffer;
rec_buffer = record_buffer;
buf_in16 = (signed short *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
*(rec_buffer++) = mix_buffer2[readp];
mix_buffer2[readp++] = 0;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
*(rec_buffer++) = mix_buffer2[readp];
mix_buffer2[readp++] = 0;
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length<<2), 1, p_record);
p_record_length = (length<<2) + p_record_length;
}
break;
case CODEC_LAW:
len = length;
mix_buffer = p_record_buffer;
mix_buffer2 = p_stereo_buffer;
rec_buffer = record_buffer;
buf_in8 = (unsigned char *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
*(rec_buffer++) = mix_buffer2[readp];
mix_buffer2[readp++] = 0;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec_buffer++) = sample;
*(rec_buffer++) = mix_buffer2[readp];
mix_buffer2[readp++] = 0;
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length<<2), 1, p_record);
p_record_length = (length<<2) + p_record_length;
}
break;
}
break;
case CODEC_8BIT:
/* convert from mixer to uncompressed 8 bit mono audio */
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
len = length;
mix_buffer = p_record_buffer;
rec8_buffer = (unsigned char *)record_buffer;
buf_in16 = (signed short *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = (sample>>8)+0x80;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = (sample>>8)+0x80;
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length), 1, p_record);
p_record_length = (length) + p_record_length;
}
break;
case CODEC_LAW:
len = length;
mix_buffer = p_record_buffer;
rec8_buffer = (unsigned char *)record_buffer;
buf_in8 = (unsigned char *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = (sample>>8)+0x80;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = (sample>>8)+0x80;
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length), 1, p_record);
p_record_length = (length) + p_record_length;
}
break;
}
break;
case CODEC_LAW:
case CODEC_OFF: /* if no codec is specified, the recorded data will be stored as LAW */
/* convert from mixer to law */
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
len = length;
mix_buffer = p_record_buffer;
rec8_buffer = (unsigned char *)record_buffer;
buf_in16 = (signed short *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = audio_s16_to_law[sample & 0xffff];
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = audio_s16_to_law[sample & 0xffff];
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length), 1, p_record);
p_record_length = (length) + p_record_length;
}
break;
case CODEC_LAW:
len = length;
mix_buffer = p_record_buffer;
rec8_buffer = (unsigned char *)record_buffer;
buf_in8 = (unsigned char *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = audio_s16_to_law[sample & 0xffff];
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(rec8_buffer++) = audio_s16_to_law[sample & 0xffff];
}
/* restore (changed) read pointer for further use */
readp = p_mixer_readp;
/* now write the rec_buffer to the file */
if (p_record_skip)
{
p_record_skip -= length;
if (p_record_skip < 0)
p_record_skip = 0;
} else
{
fwrite(record_buffer, (length), 1, p_record);
p_record_length = (length) + p_record_length;
}
break;
}
break;
}
/* if we have no transmitting relation, we do not need read mixer */
if (!p_mixer_rel)
{ /* nothing mixed to(no rel), so we are just done */
if (compressed)
{
/* compress to law */
len = length;
buf_in8 = (unsigned char *)temp_buffer;
buf_in16 = (signed short *)temp_buffer;
buf_out16 = (signed short *)buffer;
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
while(len--)
*(buffer++) = audio_s16_to_law[*(buf_in16++) & 0xffff];
break;
case CODEC_LAW:
memcpy(buffer, temp_buffer, length);
break;
default:
PERROR("Software error: current tone for unmixed & uncompressed, has no codec\n");
exit(-1);
}
} else
{
/* uncompress law files */
len = length;
buf_in8 = (unsigned char *)temp_buffer;
buf_in16 = (signed short *)temp_buffer;
buf_out16 = (signed short *)buffer;
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
while(len--)
(*(buf_out16++)) = *(buf_in16++);
break;
case CODEC_LAW:
while(len--)
(*(buf_out16++)) = audio_law_to_s32[*(buf_in8++)];
break;
default:
PERROR("Software error: current tone for unmixed & uncompressed, has no codec\n");
exit(-1);
}
}
return(length);
}
// PDEBUG(DEBUG_PORT, "PORT(%s) mixing %d bytes. (readp=%d, PORT_BUFFER=%d)\n", p_name, length, readp, PORT_BUFFER);
/* now we got our stuff and we'll mix it baby */
len = length;
mix_buffer = p_mixer_buffer;
if (compressed)
{
/* convert from mixer to compressed law data */
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
buf_in16 = (signed short *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buffer++) = audio_s16_to_law[sample & 0xffff];
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buffer++) = audio_s16_to_law[sample & 0xffff];
}
break;
case CODEC_LAW:
buf_in8 = (unsigned char *)temp_buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buffer++) = audio_s16_to_law[sample & 0xffff];
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buffer++) = audio_s16_to_law[sample & 0xffff];
}
break;
default:
PERROR("Software error: current tone for compressed data has no codec\n");
exit(-1);
}
} else
{
/* convert from mixer to uncompressed 16 bit audio */
switch(codec_in)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
buf_in16 = (signed short *)temp_buffer;
buf_out16 = (signed short *)buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buf_out16++) = sample;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+*(buf_in16++);
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buf_out16++) = sample;
}
break;
case CODEC_LAW:
buf_in8 = (unsigned char *)temp_buffer;
buf_out16 = (signed short *)buffer;
if (len+readp >= PORT_BUFFER) /* data hits the buffer end */
{
len = len+readp-PORT_BUFFER; /* rest to read from buffer start */
while(readp < PORT_BUFFER)
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buf_out16++) = sample;
}
readp = 0;
}
while(len--) /* write rest */
{ /* mix till buffer end */
sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)];
mix_buffer[readp++] = 0;
if (sample < -32767)
sample = -32767;
if (sample > 32767)
sample = 32767;
*(buf_out16++) = sample;
}
break;
default:
PERROR("Software error: current tone for uncompressed data has no codec\n");
exit(-1);
}
}
p_mixer_readp = readp; /* new read pointer */
return(length);
}
/* dummy handler */
int Port::handler(void)
{
return(0);
}
/* endpoint sends messages to the port
* this is called by the message_epoint inherited by child classes
* therefor a return=1 means: stop, no more processing
*/
//extern struct message *dddebug;
int Port::message_epoint(unsigned long epoint_id, int message_id, union parameter *param)
{
/* check if we got audio data from one remote port */
switch(message_id)
{
case MESSAGE_TONE: /* play tone */
PDEBUG(DEBUG_PORT, "PORT(%s) isdn port with (caller id %s) setting tone '%s' dir '%s'\n", p_name, p_callerinfo.id, param->tone.name, param->tone.dir);
set_tone(param->tone.dir,param->tone.name);
return(1);
case MESSAGE_DATA:
//printf("port=%s, epoint=%d\n",p_cardname, epoint->e_serial);
mixer(param);
return(1);
case MESSAGE_VBOX_TONE: /* play tone of answering machine */
PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine tone '%s' '%s'\n", p_name, param->tone.dir, param->tone.name);
set_vbox_tone(param->tone.dir, param->tone.name);
return(1);
case MESSAGE_VBOX_PLAY: /* play recording of answering machine */
PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine file to play '%s' (offset %d seconds)\n", p_name, param->play.file, param->play.offset);
set_vbox_play(param->play.file, param->play.offset);
return(1);
case MESSAGE_VBOX_PLAY_SPEED: /* set speed of playback (recording of answering machine) */
PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine playback speed %d (times)\n", p_name, param->speed);
set_vbox_speed(param->speed);
return(1);
}
return(0);
}
/*
* special function generate individual isdn debug logs
*/
void Port::printisdn(char *fmt, ...)
{
char buffer[4096];
char name[128];
va_list args;
FILE *fp;
va_start(args,fmt);
VUNPRINT(buffer,sizeof(buffer)-1,fmt,args);
buffer[sizeof(buffer)-1]=0;
va_end(args);
PDEBUG_RUNTIME(NULL, 0, DEBUG_PORT, "PORT(%s serial=%ld): %s\n", p_name, p_serial, buffer);
if (options.deb & DEBUG_LOG)
{
SPRINT(name, "%s/debug_%s.log", INSTALL_DATA, p_name);
if (!(fp = fopen(name, "a")))
return;
fprintf(fp, "%04d.%02d.%02d %02d:%02d:%02d %s(%ld): %s", now_tm->tm_year+1900, now_tm->tm_mon+1, now_tm->tm_mday, now_tm->tm_hour, now_tm->tm_min, now_tm->tm_sec, p_name, p_serial, buffer);
fclose(fp);
}
}
/* wave header structure */
struct fmt {
unsigned short stereo; /* 1 = mono, 2 = stereo */
unsigned short channels; /* number of channels */
unsigned long sample_rate; /* sample rate */
unsigned long data_rate; /* data rate */
unsigned short bytes_sample; /* bytes per sample (all channels) */
unsigned short bits_sample; /* bits per sample (one channel) */
};
/*
* open record file (actually a wave file with empty header which will be
* written before close, because we do not know the size yet)
* type=1 record annoucement, type=0 record audio stream, type=2 record vbox
*/
int Port::open_record(int type, int vbox, int skip, char *terminal, int anon_ignore, char *vbox_email, int vbox_email_file)
{
/* RIFFxxxxWAVEfmt xxxx(fmt-size)dataxxxx... */
char dummyheader[8+4+8+sizeof(fmt)+8];
char filename[256];
if (!terminal)
{
PERROR("Port(%d) not a terminal\n", p_serial);
return(0);
}
SCPY(p_record_extension, terminal);
p_record_anon_ignore = anon_ignore;
SCPY(p_record_vbox_email, vbox_email);
p_record_vbox_email_file = vbox_email_file;
if (p_record)
{
PERROR("Port(%d) already recording\n", p_serial);
return(0);
}
if (vbox != 0)
SPRINT(filename, "%s/%s/%s/vbox", INSTALL_DATA, options.extensions_dir, p_record_extension);
else
SPRINT(filename, "%s/%s/%s/recordings", INSTALL_DATA, options.extensions_dir, p_record_extension);
if (mkdir(filename, 0755) < 0)
{
if (errno != EEXIST)
{
PERROR("Port(%d) cannot create directory '%s'\n", p_serial, filename);
return(0);
}
}
if (vbox == 1)
UPRINT(strchr(filename,'\0'), "/announcement");
else
UPRINT(strchr(filename,'\0'), "/%04d-%02d-%02d_%02d%02d%02d", now_tm->tm_year+1900, now_tm->tm_mon+1, now_tm->tm_mday, now_tm->tm_hour, now_tm->tm_min, now_tm->tm_sec);
if (vbox == 2)
{
p_record_vbox_year = now_tm->tm_year;
p_record_vbox_mon = now_tm->tm_mon;
p_record_vbox_mday = now_tm->tm_mday;
p_record_vbox_hour = now_tm->tm_hour;
p_record_vbox_min = now_tm->tm_min;
}
/* check, if file exists (especially when an extension calls the same extension) */
if (vbox != 1)
if ((p_record = fopen(filename, "r")))
{
fclose(p_record);
SCAT(filename, "_2nd");
}
p_record = fopen(filename, "w");
if (!p_record)
{
PERROR("Port(%d) cannot record because file cannot be opened '%s'\n", p_serial, filename);
return(0);
}
fduse++;
p_record_type = type;
p_record_vbox = vbox;
p_record_skip = skip;
p_record_length = 0;
switch(p_record_type)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
fwrite(dummyheader, sizeof(dummyheader), 1, p_record);
break;
case CODEC_LAW:
break;
}
UCPY(p_record_filename, filename);
PDEBUG(DEBUG_PORT, "Port(%d) recording started with file name '%s'\n", p_serial, filename);
return(1);
}
/*
* close the recoding file, put header in front and rename
*/
void Port::close_record(int beep)
{
static signed long beep_mono[] = {-10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000};
static unsigned char beep_8bit[] = {48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208};
unsigned long size, wsize;
struct fmt fmt;
char filename[512], indexname[512];
FILE *fp;
int i, ii;
char number[256], callerid[256];
char *p;
struct caller_info callerinfo;
char *valid_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890_.-!$%&/()=+*;~";
if (!p_record)
return;
memcpy(&callerinfo, &p_callerinfo, sizeof(struct caller_info));
apply_callerid_restriction(p_record_anon_ignore, -1, callerinfo.id, &callerinfo.ntype, &callerinfo.present, &callerinfo.screen, callerinfo.voip, callerinfo.intern, callerinfo.name);
SCPY(number, p_dialinginfo.number);
SCPY(callerid, numberrize_callerinfo(callerinfo.id, callerinfo.ntype));
if (callerid[0] == '\0')
{
if (callerinfo.present == INFO_PRESENT_RESTRICTED)
UCPY(callerid,"anonymous");
else
UCPY(callerid,"unknown");
}
/* change verboten digits */
p = callerid;
while((p=strchr(p,'*')))
*(p++) = 'x';
p = callerid;
while((p=strchr(p,'/')))
*(p++) = 'x';
p = number;
while((p=strchr(p,'*')))
*(p++) = 'x';
p = number;
while((p=strchr(p,'/')))
*(p++) = 'x';
i = 0;
ii = strlen(callerid);
while(i < ii)
{
if (!strchr(valid_chars, callerid[i]))
callerid[i] = '_';
i++;
}
i = 0;
ii = strlen(number);
while(i < ii)
{
if (!strchr(valid_chars, number[i]))
number[i] = '_';
i++;
}
/* add beep to the end of recording */
if (beep)
switch(p_record_type)
{
case CODEC_MONO:
i = 0;
while(i < beep)
{
fwrite(beep_mono, sizeof(beep_mono), 1, p_record);
i += sizeof(beep_mono);
p_record_length += sizeof(beep_mono);
}
break;
case CODEC_8BIT:
i = 0;
while(i < beep)
{
fwrite(beep_8bit, sizeof(beep_8bit), 1, p_record);
i += sizeof(beep_8bit);
p_record_length += sizeof(beep_8bit);
}
break;
#if 0
case CODEC_LAW:
i = 0;
while(i < beep)
{
fwrite(beep_law, sizeof(beep_law), 1, p_record);
i += sizeof(beep_law);
p_record_length += sizeof(beep_law);
}
break;
#endif
default:
PERROR("codec %d not supported for beep adding\n", p_record_type);
}
/* complete header */
switch(p_record_type)
{
case CODEC_MONO:
case CODEC_STEREO:
case CODEC_8BIT:
/* cue */
fprintf(p_record, "cue %c%c%c%c%c%c%c%c", 4, 0, 0, 0, 0,0,0,0);
/* LIST */
fprintf(p_record, "LIST%c%c%c%cadtl", 4, 0, 0, 0);
/* go to header */
fseek(p_record, 0, SEEK_SET);
/* WAVEfmt xxxx(fmt-size)dataxxxx[data]cue xxxx0000LISTxxxxadtl*/
size = p_record_length;
wsize = 4+8+sizeof(fmt)+8+size+8+4+8+4;
/* RIFF */
fprintf(p_record, "RIFF%c%c%c%c", (unsigned char)(wsize&0xff), (unsigned char)((wsize>>8)&0xff), (unsigned char)((wsize>>16)&0xff), (unsigned char)(wsize>>24));
/* WAVE */
fprintf(p_record, "WAVE");
/* fmt */
fprintf(p_record, "fmt %c%c%c%c", sizeof(fmt), 0, 0, 0);
switch(p_record_type)
{
case CODEC_MONO:
fmt.stereo = 1;
fmt.channels = 1;
fmt.sample_rate = 8000; /* samples/sec */
fmt.data_rate = 16000; /* full data rate */
fmt.bytes_sample = 2; /* all channels */
fmt.bits_sample = 16; /* one channel */
break;
case CODEC_STEREO:
fmt.stereo = 1;
fmt.channels = 2;
fmt.sample_rate = 8000; /* samples/sec */
fmt.data_rate = 32000; /* full data rate */
fmt.bytes_sample = 4; /* all channels */
fmt.bits_sample = 16; /* one channel */
break;
case CODEC_8BIT:
fmt.stereo = 1;
fmt.channels = 1;
fmt.sample_rate = 8000; /* samples/sec */
fmt.data_rate = 8000; /* full data rate */
fmt.bytes_sample = 1; /* all channels */
fmt.bits_sample = 8; /* one channel */
break;
}
fwrite(&fmt, sizeof(fmt), 1, p_record);
/* data */
fprintf(p_record, "data%c%c%c%c", (unsigned char)(size&0xff), (unsigned char)((size>>8)&0xff), (unsigned char)((size>>16)&0xff), (unsigned char)(size>>24));
/* rename file */
if (p_record_vbox == 1)
SPRINT(filename, "%s.wav", p_record_filename);
else
SPRINT(filename, "%s_%s-%s.wav", p_record_filename, callerid, number);
break;
case CODEC_LAW:
/* rename file */
if (p_record_vbox == 1)
SPRINT(filename, "%s.isdn", p_record_filename);
else
SPRINT(filename, "%s_%s-%s.isdn", p_record_filename, callerid, number);
break;
default:
if (p_record_vbox == 1)
SPRINT(filename, "%s.unknown", p_record_filename);
else
SPRINT(filename, "%s_%s-%s.unknown", p_record_filename, callerid, number);
}
fclose(p_record);
fduse--;
p_record = NULL;
if (rename(p_record_filename, filename) < 0)
{
PERROR("Port(%d) cannot rename from '%s' to '%s'\n", p_serial, p_record_filename, filename);
return;
}
PDEBUG(DEBUG_PORT, "Port(%d) recording is written and renamed to '%s' and must have the following size:%lu raw:%lu samples:%lu\n", p_serial, filename, wsize+8, size, size>>1);
if (p_record_vbox == 2)
{
SPRINT(indexname, "%s/%s/%s/vbox/index", INSTALL_DATA, options.extensions_dir, p_record_extension);
if ((fp = fopen(indexname,"a")))
{
fduse++;
/* remove path from file name */
p = filename;
while(strchr(p, '/'))
p = strchr(p, '/')+1;
fprintf(fp, "%s %d %d %d %d %d %s\n", p, p_record_vbox_year, p_record_vbox_mon, p_record_vbox_mday, p_record_vbox_hour, p_record_vbox_min, callerid);
fclose(fp);
fduse--;
} else
{
PERROR("Port(%d) cannot open index file '%s' to append.\n", p_serial, indexname);
}
/* send email with sample*/
if (p_record_vbox_email[0])
{
send_mail(p_record_vbox_email_file?filename:(char *)"", callerid, callerinfo.intern, callerinfo.name, p_record_vbox_email, p_record_vbox_year, p_record_vbox_mon, p_record_vbox_mday, p_record_vbox_hour, p_record_vbox_min, p_record_extension);
}
}
}
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