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tools.cpp
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tools.cpp
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#include<capi20.h>
#include<string>
#include<string.h>
#include<sys/ioctl.h>
#include<sys/soundcard.h>
#include<fcntl.h>
#include<fstream>
#include<iostream>
#include<unistd.h>
#include"tools.h"
int decode(unsigned char sample)
{
int amplitude;
unsigned char absval,lower;
unsigned char outb=0, i;
for(i=0;i<8;i++)
{
outb<<=1;
if(sample&1)outb = outb | 1;
sample>>=1;
}
sample = outb ^ 0x55;
absval = (sample>>4) & 7;
lower = (sample & 0x0F)<<1;
switch(absval)
{
case 0: amplitude = lower|0x01; break;
case 1: amplitude = lower|0x21; break;
case 2: amplitude = (lower|0x21)<<1; break;
case 3: amplitude = (lower|0x21)<<2; break;
case 4: amplitude = (lower|0x21)<<3; break;
case 5: amplitude = (lower|0x21)<<4; break;
case 6: amplitude = (lower|0x21)<<5; break;
case 7: amplitude = (lower|0x21)<<6; break;
}
if(sample & 0x80) amplitude = -amplitude;
return amplitude*16;
}
void * PlayNameThread(void *a)
{
// Testen ob zu der Rufnummer eine Audiodatei existiert
string s(*((string*)a));
if(dbg_cmds)
cdebug << "Playing..." << s << "!" << endl;
int fd;
ifstream *i=NULL;
s=s+"x";
do
{
if(i!=NULL)
delete i;
s.erase(s.length()-1,1);
i=new ifstream((datadir+"/Namen_"+s+".alaw").c_str());
if(dbg_fileop)
cdebug << "Trying $DATA/Namen_" << s+".alaw" << " " << " good:" << (int)i->good() << endl;
}
while( (!i->good()) && s.length()>1);
if(i->good())
{
// Namensdatei existiert, auf /dev/audio ausgeben...
char x;
int dummy;
unsigned long int c=0;
int format = AFMT_S16_LE;
int stereo = 0;
int speed = 8192;
if((fd=open("/dev/audio",O_RDWR | O_NONBLOCK | O_NDELAY,0))==-1)
return NULL;
if (ioctl(fd, SNDCTL_DSP_SETFMT, &format)==-1)
return NULL;
if (ioctl(fd, SNDCTL_DSP_STEREO, &stereo)==-1)
return NULL;
if (ioctl(fd, SNDCTL_DSP_SPEED, &speed)==-1)
return NULL;
while(!i->eof())
{
i->read(&x,1);
c=(c+1)%8192;
dummy=decode(x);
write(fd,&dummy,2);
}
dummy=0;
for(;c<=8192;c++)
write(fd,&dummy,2);
fsync(fd);
}
close(fd);
if(dbg_cmds)
cdebug << "Sound ausgegeben..." << endl;
delete i;
delete (string*)a;
}
string getCalledNumber(_cmsg *CMSG)
{
unsigned char *x=CONNECT_IND_CALLEDPARTYNUMBER(CMSG);
char s[256];
s[0]=0;
if(dbg_callcontrol)
cdebug << "Typ der Callednumber: " << (unsigned int) x[1] << endl;
switch(x[1] & 112)
{
case 16:
break;
case 32:
strcat(s,iprefix.c_str());
break;
case 64:
strcat(s,iprefix.c_str());
strcat(s,nprefix.c_str());
break;
default:
break;
}
if(x[0]!=0)
{
s[strlen(s)+(size_t)x[0]]=0;
s[strlen(s)+(size_t)x[0]-1]=0;
memcpy(s+strlen(s),x+2,(size_t)(x[0]-1));
}
return string(s);
}
string getCallingNumber(_cmsg *CMSG)
{
unsigned char *x=CONNECT_IND_CALLINGPARTYNUMBER(CMSG);
char s[256];
s[0]=0;
if(dbg_callcontrol)
cdebug << "Typ der Callingnumber: " << (unsigned int) x[1] << endl;
switch(x[1] & 112)
{
case 16:
break;
case 32:
strcat(s,iprefix.c_str());
break;
case 64:
strcat(s,iprefix.c_str());
strcat(s,nprefix.c_str());
break;
default:
break;
}
if(x[0]!=0)
{
if(x[2]&128)
{
s[strlen(s)+x[0]-1]=0;
s[strlen(s)+x[0]-2]=0;
memcpy(s+strlen(s),x+3,(size_t)(x[0]-2));
}
else
{
s[strlen(s)+x[0]]=0;
s[strlen(s)+x[0]-1]=0;
memcpy(s+strlen(s),x+2,(size_t)(x[0]-1));
}
}
return string(s);
}