record.c

mgcp协议源代码。支持多种编码：g711

#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <time.h>
#include <fcntl.h>
#include <errno.h>
#include "ixjuser.h"

void closeall(void);
int ixj1;
int recfile;

int main(int argc, char *argv[])
{
  char pname1[80], pname2[80], buff1[480], buff2[480];
  unsigned long cnt, write1;
  int size, codec, len;
  struct timeval tv1, tv2;
  time_t t1, t2;

  if(argc<4)
  {
    printf("Use:  %s <ixj dev number> <filename> <codec number>\n",argv[0]);
    printf("      example:  %s 0 audio-file 3\n",argv[0]);
    exit(0);
  }
      
  sprintf(pname1, "/dev/ixj%s", argv[1]);
  sprintf(pname2, "%s", argv[2]);

  printf("Reading from %s, Writing to %s\n", pname1, pname2);
  
  ixj1 = open(pname1, O_RDONLY);
  recfile = open(pname2, O_WRONLY|O_CREAT|O_TRUNC, 0666);
  if(recfile<0)
  {
    printf("error opening file (%s)\n",strerror(errno));
    exit(-1);
  } else printf("file handle %d\n", recfile);
  
  atexit(closeall);

  if(!ioctl(ixj1, IXJCTL_RING))
  {
    exit(0);
  }

  codec = atoi(argv[3]);
  switch(codec)
  {
    case G723_63:
      len = 24;
      break;
    case G723_53:
      len = 20;
      break;
    case TS85:
      len = 32;
      break;
    case TS48:
      len = 18;
      break;
    case TS41:
      len = 16;
      break;
    case G728:
      len = 96;
      break;
    case G729:
      len = 36;
      break;
    case ULAW:
      len = 240;
      break;
    case ALAW:
      len = 240;
      break;
    case LINEAR16:
      len = 480;
      break;
    case LINEAR8:
      len = 240;
      break;
    case WSS:
      len = 240;
      break;
  }
  cnt = write1 = 0;
  ioctl(ixj1, IXJCTL_REC_CODEC, codec);
  ioctl(ixj1, IXJCTL_REC_START);

  t1 = time(NULL);

  while(ioctl(ixj1, IXJCTL_HOOKSTATE))
  {
    size = read(ixj1, buff1, len);
    if(size > 0)
    {
      write(recfile, buff1, size);
      write1++;
    }
    t2 = time(NULL);
    printf("Seconds %ld\r", t2 - t1);
    fflush(stdout);
    if(t2 - t1 == 10)
      break;
  }
}

void closeall(void)
{
  ioctl(ixj1, IXJCTL_REC_STOP);
  ioctl(ixj1, IXJCTL_PLAY_STOP);
  ioctl(ixj1, IXJCTL_AEC_STOP);
  close(ixj1);
  close(recfile);
}