ncwnd_detail.cpp~

用linux开发的安防暴警的有关代码

/******************************************************************************************
					添加振铃或留提示语
 ******************************************************************************************/
void AddRingAnswer (void)
{
  if (g_nTimeOut<=0)			//录音长度超过0秒才能添加
  {
    InformDlg("无法添加!","错误信息");
    return;
  }
  const char *curname = g_AddRingWnd_Ipt->value();		//当前振铃或留言名称
  if ( strcmp(curname, LOCAL_TYPE_COMMON)==0 || strcmp(curname, DIAL_TYPE_COMMON)==0 )
  {
    char t[128];
    sprintf(t, "%s 是系统保留名称", curname);
    InformDlg (t,"错误信息");
    return;
  }


  Flve_Combo *c;
  if (record_operation_id==1)
	  c= cbo_local_setup_sound;
  else
	  c =cbo_auto_dial_sound;	


  int max=0;
  max = c->item.count();

  for (int i=0; i<max; ++i)			//判断是否与现有的名称重名
  {
    const char *title = c->item[i].item();
    if (strcmp(title, curname)==0)
    {
      InformDlg("所选文件名已经存在!","错误信息");
      return;
    }
  }

  char despath[256];
  sprintf(despath, "%s/%s", SOUND_FILE_PATH, curname);
  char cmd[128];				//拷贝声音到声音文件目录
  sprintf(cmd, "mv %s %s", ALERT_TEMP_SOUNDFILE, despath);
  system(cmd);
  //这里应该判断system的返回值，判断存储空间是否够用
  //  c->item.add(curname);
  cbo_local_setup_sound->item.add(curname);
  cbo_auto_dial_sound->item.add(curname);
  g_AddRingWnd->hide();
  g_AddRingWnd_Slider->value(0);
  g_nTimeOut = 0;
//  IsChanged = true;
}



/******************************************************************************************
					添加振铃窗口，按钮消息处理
 ******************************************************************************************/
void cb_AddRingWnd_Btn (Fl_Button *o, void *p)
{
  int i = (int)p;
  switch (i)
  {
    case 1:		//“录音”按钮
    {
      if ( !g_bRecording )
      {
        Record(o);
      }
    }
    break;

    case 2:		//“放音”按钮
    {
      if ( !g_bPlaying && g_nTimeOut!=0 )
      {
        Play(o);
      }
    }
    break;

    case 3:		//“停止”按钮
    {
      g_bRecording = false;
      g_bPlaying = false;
      usleep(200000);	//进程阻塞0.2秒
      g_AddRingWnd_Btn_Play->activate();
      g_AddRingWnd_Btn_Record->activate();
      g_AddRingWnd_Btn_Add->activate();
      g_AddRingWnd_Btn_Cancel->activate();
      g_AddRingWnd_Btn_Record->value(0);
      g_AddRingWnd_Btn_Play->value(0);
    }
    break;

    case 4:		//“添加”按钮
      AddRingAnswer();
    break;

    case 5:		//“取消”按钮
    {
      g_AddRingWnd->hide();
      g_AddRingWnd_Slider->value(0);
      g_nTimeOut = 0;
      unlink(ALERT_TEMP_SOUNDFILE);
    }
    break;
  }
}

/******************************************************************************************
						录音计时器
 ******************************************************************************************/
void RecordTimer (void *i)
{
  static int p=0;
  if (1==(int)i)		//如果用户刚按下录音按钮则直接进入返回等待下一秒的事件
  {
    p = 0;
    g_AddRingWnd_Slider->value(0);
    sprintf(g_szTimeBoxTitle, "长度 : %02d / %02d 秒", p, g_nDeftTimeOut);
    g_AddRingWnd_Box->redraw();
    Fl::repeat_timeout(1.0, RecordTimer);
    return;
  }

  if ( !g_bRecording )	//如果用户按下停止按钮，则返回（在这种情况下，滑杆位置保持不变）
  {
    g_nTimeOut = p;
    goto exit;
  }
  else if ( (--g_nTimeOut)!=0 )	//如果未到达规定时限，滑杆向前进一格
  {
    g_AddRingWnd_Slider->value(++p);
    sprintf(g_szTimeBoxTitle, "长度 : %02d / %02d 秒", p, g_nDeftTimeOut);
    g_AddRingWnd_Box->redraw();
    Fl::repeat_timeout(1.0, RecordTimer);
    return;
  }
  else				//达到时限时，滑杆再向前进一格
  {
    g_AddRingWnd_Slider->value(++p);
    sprintf(g_szTimeBoxTitle, "长度 : %02d / %02d 秒", p, g_nDeftTimeOut);
    g_AddRingWnd_Box->redraw();
    g_nTimeOut = p;
  }

exit:
  g_AddRingWnd_Btn_Record->value(0);
  g_AddRingWnd_Btn_Play->activate();
  g_AddRingWnd_Btn_Add->activate();
  g_AddRingWnd_Btn_Cancel->activate();
  g_bRecording = false;
}

/******************************************************************************************
						录音函数
 ******************************************************************************************/
int Record (Fl_Button *o)
{
  //录音之前要检查声音设备是否可用，还要删除临时文件
  remove(ALERT_TEMP_SOUNDFILE);

  printf("Before open audio device !\n");
  int audio_fd = open(AUDIODEV, O_RDONLY | O_NONBLOCK);		//打开声音设备
  if (-1==audio_fd)
  {
    InformDlg("打开声音设备出错，无法录音！","错误信息");
    return -1;
  }
  printf("After open audio dev !\n");
  o->value(1);
  g_nTimeOut = g_nDeftTimeOut;
  g_AddRingWnd_Btn_Play->deactivate();
  g_AddRingWnd_Btn_Add->deactivate();
  g_AddRingWnd_Btn_Cancel->deactivate();
  g_AddRingWnd_Slider->maximum(g_nDeftTimeOut);
  g_bRecording = true;
  RecordTimer((void *)1);

  pthread_t pid;
  pthread_create(&pid, NULL, Record_Thread, (void *)audio_fd);
  return 1;
}

/******************************************************************************************
						放音计时器
 ******************************************************************************************/
void PlayTimer (void *i)
{
  static int p=0;
  static int prevTimeout=0;
  if (1==(int)i)		//如果用户刚按下录音按钮则直接进入返回等待下一秒的事件
  {
    p = 0;
    prevTimeout = g_nTimeOut;
    g_AddRingWnd_Slider->value(0);
    sprintf(g_szTimeBoxTitle, "长度 : %02d / %02d 秒", p, g_nDeftTimeOut);
    g_AddRingWnd_Box->redraw();
    Fl::repeat_timeout(1.0, PlayTimer);
    return;
  }

  if ( !g_bPlaying )	//如果用户按下停止按钮，则返回（在这种情况下，滑杆位置保持不变）
  {
    g_nTimeOut = prevTimeout;
    goto exit;
  }
  else if ( (--g_nTimeOut)!=0 )	//如果未到达规定时限，滑杆向前进一格
  {
    g_AddRingWnd_Slider->value(++p);
    sprintf(g_szTimeBoxTitle, "长度 : %02d / %02d 秒", p, g_nDeftTimeOut);
    g_AddRingWnd_Box->redraw();
    Fl::repeat_timeout(1.0, PlayTimer);
    return;
  }
  else				//达到时限时，滑杆再向前进一格
  {
    g_AddRingWnd_Slider->value(++p);
    sprintf(g_szTimeBoxTitle, "长度 : %02d / %02d 秒", p, g_nDeftTimeOut);
    g_AddRingWnd_Box->redraw();
    g_nTimeOut = prevTimeout;
  }

exit:
  g_AddRingWnd_Btn_Play->value(0);
  g_AddRingWnd_Btn_Record->activate();
  g_AddRingWnd_Btn_Add->activate();
  g_AddRingWnd_Btn_Cancel->activate();
  g_bPlaying = false;
}

/******************************************************************************************
						放音函数
 ******************************************************************************************/
int Play (Fl_Button *o)
{
  int audio_fd = open(AUDIODEV, O_WRONLY);		//打开声音设备
  if (-1==audio_fd)
  {
    fl_alert("打开声音设备出错，无法录音！");
    return -1;
  }

  o->value(1);
  g_AddRingWnd_Btn_Record->deactivate();
  g_AddRingWnd_Btn_Add->deactivate();
  g_AddRingWnd_Btn_Cancel->deactivate();
  g_AddRingWnd_Slider->maximum(g_nDeftTimeOut);
  g_bPlaying = true;
  PlayTimer((void *)1);

  pthread_t pid;
  pthread_create(&pid, NULL, Play_Thread, (void *)audio_fd);

  return 1;
}

/******************************************************************************************
					录音线程函数
 ******************************************************************************************/
void *Record_Thread (void *p)
{
  int audio_fd = (int)p;
  RecordToFile(audio_fd, ALERT_TEMP_SOUNDFILE, &g_bRecording,2);
  close(audio_fd);
  pthread_exit(NULL);
}

/******************************************************************************************
					放音线程函数
 ******************************************************************************************/
void *Play_Thread (void *p)
{
  int audio_fd = (int)p;
  PlaySound(audio_fd, ALERT_TEMP_SOUNDFILE, &g_bPlaying,2);
  close(audio_fd);
  pthread_exit(NULL);
}

/******************************************************************************************
					添加振铃窗口消息处理函数
 ******************************************************************************************/
void cb_ShowAddRingWnd (Fl_Window *o)
{
  if ( g_bPlaying || g_bRecording )
  {
    return;
  }
  o->hide();
}