out_arts.c

   1 /*
   2
   3     Ann Hell Ex Machina - Music Software
   4     Copyright (C) 2003/2005 Angel Ortega <angel@triptico.com>
   5
   6     out_arts.c - Output driver for libartsc (aRtsd client)
   7
   8     This program is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License
  10     as published by the Free Software Foundation; either version 2
  11     of the License, or (at your option) any later version.
  12
  13     This program is distributed in the hope that it will be useful,
  14     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21
  22     http://www.triptico.com
  23
  24 */
  25
  26 #include "config.h"
  27 #include <stdio.h>
  28
  29 #include "ss_core.h"
  30 #include "ss_output.h"
  31
  32 #ifdef CONFOPT_ARTS
  33
  34 #include <artsc.h>
  35
  36 /*******************
  37         Data
  38 ********************/
  39
  40 /* stream handler */
  41 static arts_stream_t arts=NULL;
  42
  43 /*******************
  44         Code
  45 ********************/
  46
  47 int _out_open_arts(char * file)
  48 {
  49         /* init library and connect to server */
  50         if(arts_init())
  51                 return(-100);
  52
  53         /* only 2 channels seems to be supported */
  54         if(ss_nchannels > 2)
  55                 ss_nchannels=2;
  56
  57         arts=arts_play_stream(ss_frequency, 16, ss_nchannels, "annhell");
  58
  59         /* can't open stream */
  60         if(arts == NULL)
  61                 return(-101);
  62
  63         return(arts_stream_get(arts, ARTS_P_PACKET_SIZE));
  64 }
  65
  66
  67 int _out_write_arts(short int * buffer, int size)
  68 {
  69         return(arts_write(arts, buffer, size * sizeof(short int)));
  70 }
  71
  72
  73 int _out_close_arts(void)
  74 {
  75         /* disconnect */
  76         arts_free();
  77
  78         return(0);
  79 }
  80
  81 /* driver */
  82
  83 struct _output_driver _out_driver_arts=
  84 { "arts", NULL, _out_open_arts, _out_write_arts, _out_close_arts };
  85
  86 #else /* CONFOPT_ARTS */
  87
  88 struct _output_driver _out_driver_arts=
  89 { "arts", NULL, NULL, NULL, NULL };
  90
  91 #endif /* CONFOPT_ARTS */