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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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//  Tuneable Settings                                                        //
 28 
//  Tuneable Settings                                                        //
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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 30 
 
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#define VERSION "0.93"
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#define VERSION "0.94"
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 32 
 
33 
//
 33 
//
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//  Number of soundcard bytes to read at a time.
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//  Number of soundcard bytes to read at a time.
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#define NREAD 2048
 35 
#define NREAD 2048
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 36 
 
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int bailout_flag = 0;                           // To prevent bailout() looping
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int bailout_flag = 0;                           // To prevent bailout() looping
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int grab_cnt = 0;                       // Count of samples into the FFT buffer
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int grab_cnt = 0;                       // Count of samples into the FFT buffer
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 79 
 
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// Mixer gain settings requested by config file.
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// Mixer gain settings requested by config file.
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int req_lgain = -1;              // Line gain
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int req_lgain = -1;              // Line gain
- 
 
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int req_mgain = -1;              // Microphone gain
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int req_igain = -1;              // Input gain
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int req_igain = -1;              // Input gain
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int req_rgain = -1;              // Record level
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int req_rgain = -1;              // Record level
84 
 
 85 
 
- 
 
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- 
 
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// Actual mixer values, read by open_mixer()
- 
 
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int mixer_recmask;      // Recording device mask
- 
 
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int mixer_stereo;       // Stereo device mask
- 
 
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int mixer_line;         // Line input gain setting
- 
 
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int mixer_microphone;	// Microphone input gain
- 
 
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int mixer_igain;        // Overall input gain setting
- 
 
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int mixer_reclev;       // Recording level setting
- 
 
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int mixer_recsrc;       // Mask indicating which inputs are set to record
- 
 
 95 
 
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//
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//
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// Various filenames, contents set by config file.
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// Various filenames, contents set by config file.
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//
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//
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char logfile[100] = "";
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char logfile[100] = "";
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char device[100] = "/dev/dsp";
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char device[100] = "/dev/dsp";
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      {
 671 
      {
661 
         int left = atoi( fields[2]);
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         int left = atoi( fields[2]);
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         int right = atoi( fields[3]);
 673 
         int right = atoi( fields[3]);
663 
         int gain = (right << 8) | left;
 674 
         int gain = (right << 8) | left;
664 
 
 675 
 
665 
         if( !strcasecmp( fields[1], "line")) req_lgain = gain;
 676 
         if( !strcasecmp( fields[1], "line"))
- 
 
 677 
         {
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           req_lgain = gain;
- 
 
 679 
           mixer_recsrc = SOUND_MASK_LINE;
- 
 
 680 
         }
- 
 
 681 
         else
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 682 
         if( !strcasecmp( fields[1], "mic"))
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 683 
         {
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 684 
           req_mgain = gain;
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 685 
           mixer_recsrc = SOUND_MASK_MIC;
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 686 
         }
666 
         else
 687 
         else
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         if( !strcasecmp( fields[1], "overall")) req_igain = gain;
 688 
         if( !strcasecmp( fields[1], "overall")) req_igain = gain;
668 
         else
 689 
         else
669 
         if( !strcasecmp( fields[1], "record")) req_rgain = gain;
 690 
         if( !strcasecmp( fields[1], "record")) req_rgain = gain;
670 
         else
 691 
         else
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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//  Mixer Stuff                                                              //
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//  Mixer Stuff                                                              //
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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 718 
 
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// Actual mixer values, read by open_mixer()
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int mixer_recmask;      // Recording device mask
 - 
 
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int mixer_stereo;       // Stereo device mask
 - 
 
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int mixer_line;         // Line input gain setting
 - 
 
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int mixer_igain;        // Overall input gain setting
 - 
 
703 
int mixer_reclev;       // Recording level setting
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int mixer_recsrc;       // Mask indicating which inputs are set to record
 - 
 
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 - 
 
706 
void open_mixer( void)
 719 
void open_mixer( void)
707 
{
 720 
{
708 
   if( (fdm = open( mixer, O_RDWR)) < 0)
 721 
   if( (fdm = open( mixer, O_RDWR)) < 0)
709 
      bailout( "cannot open [%s]: %s", mixer, strerror( errno));
 722 
      bailout( "cannot open [%s]: %s", mixer, strerror( errno));
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 723 
 
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 793 
 
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      report( 1, "line input gains set to: left=%d right=%d",
794 
      report( 1, "line input gains set to: left=%d right=%d",
782 
             mixer_line & 0xff, (mixer_line >> 8) & 0xff);
 795 
             mixer_line & 0xff, (mixer_line >> 8) & 0xff);
783 
   }
 796 
   }
784 
 
 797 
 
- 
 
 798 
   if( req_mgain >= 0)
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 799 
   {
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 800 
      report( 1, "requesting microphone input gains left=%d right=%d",
- 
 
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             req_mgain & 0xff, (req_mgain >> 8) & 0xff);
- 
 
 802 
 
- 
 
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      if( ioctl( fdm, SOUND_MIXER_WRITE_MIC, &req_mgain) < 0 ||
- 
 
 804 
          ioctl( fdm, SOUND_MIXER_READ_MIC, &mixer_microphone) < 0)
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 805 
         bailout( "error setting mixer microphone gain");
- 
 
 806 
 
- 
 
 807 
      report( 1, "Microphone input gains set to: left=%d right=%d",
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 808 
             mixer_microphone & 0xff, (mixer_microphone >> 8) & 0xff);
- 
 
 809 
   }
- 
 
 810 
 
785 
   if( req_igain >= 0 &&
 811 
   if( req_igain >= 0 &&
786 
       (mixer_recmask & SOUND_MASK_IGAIN))
 812 
       (mixer_recmask & SOUND_MASK_IGAIN))
787 
   {
 813 
   {
788 
      report( 1, "requesting overall input gains left=%d right=%d",
 814 
      report( 1, "requesting overall input gains left=%d right=%d",
789 
             req_igain & 0xff, (req_igain >> 8) & 0xff);
 815 
             req_igain & 0xff, (req_igain >> 8) & 0xff);
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 834 
 
809 
      report( 1, "mixer record levels set to: left=%d right=%d",
835 
      report( 1, "mixer record levels set to: left=%d right=%d",
810 
                 mixer_reclev & 0xff, (mixer_reclev >> 8) & 0xff);
 836 
                 mixer_reclev & 0xff, (mixer_reclev >> 8) & 0xff);
811 
   }
 837 
   }
812 
 
 838 
 
813 
   mixer_recsrc = SOUND_MASK_LINE;
 839 
//mixer_recsrc= SOUND_MASK_LINE;
- 
 
 840 
mixer_recsrc= SOUND_MASK_MIC;
- 
 
 841 
 
- 
 
 842 
   switch (mixer_recsrc)
- 
 
 843 
   {
- 
 
 844 
     case SOUND_MASK_MIC:
- 
 
 845
- 
 
 846 
       if( ioctl( fdm, SOUND_MIXER_WRITE_RECSRC, &mixer_recsrc) < 0)
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 847 
        bailout( "cannot set mixer recsrc to microphone");
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 848 
       else report(1, "Input device set to microphone");
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 849 
     break;
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 850 
 
- 
 
 851 
     case SOUND_MASK_LINE:
814 
   if( ioctl( fdm, SOUND_MIXER_WRITE_RECSRC, &mixer_recsrc) < 0)
 852 
       if( ioctl( fdm, SOUND_MIXER_WRITE_RECSRC, &mixer_recsrc) < 0)
815 
      bailout( "cannot set mixer recsrc to line");
 853 
        bailout( "cannot set mixer recsrc to line");
- 
 
 854 
       else report(1, "Input device set to line");
- 
 
 855 
     break;
- 
 
 856 
   }
816 
}
 857 
}
817 
 
 858 
 
818 
///////////////////////////////////////////////////////////////////////////////
 859 
///////////////////////////////////////////////////////////////////////////////
819 
//  Main                                                                     //
 860 
//  Main                                                                     //
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////