stream/stream_radio.h

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef MPLAYER_STREAM_RADIO_H
  20 #define MPLAYER_STREAM_RADIO_H
  21
  22 #include "config.h"
  23 #include "stream.h"
  24
  25 #define RADIO_CHANNEL_LOWER 1
  26 #define RADIO_CHANNEL_HIGHER 2
  27
  28 typedef struct radio_param_s{
  29     /** name of radio device file */
  30     char*   device;
  31 #ifdef CONFIG_RADIO_BSDBT848
  32     /** minimal allowed frequency */
  33     float   freq_min;
  34     /** maximal allowed frequency */
  35     float   freq_max;
  36 #endif
  37     /** radio driver (v4l,v4l2) */
  38     char*   driver;
  39     /** channels list (see man page) */
  40     char**  channels;
  41     /** initial volume for radio device */
  42     int     volume;
  43     /** name of audio device file to grab data from */
  44     char*   adevice;
  45     /** audio framerate (please also set -rawaudio rate
  46         parameter to the same value) */
  47     int     arate;
  48     /** number of audio channels */
  49     int     achannels;
  50     /** if channels parameter exist, here will be channel
  51         number otherwise - frequency */
  52     float   freq_channel;
  53     char*   capture;
  54 } radio_param_t;
  55
  56 extern radio_param_t stream_radio_defaults;
  57
  58 int radio_set_freq(struct stream *stream, float freq);
  59 int radio_get_freq(struct stream *stream, float* freq);
  60 char* radio_get_channel_name(struct stream *stream);
  61 int radio_set_channel(struct stream *stream, char *channel);
  62 int radio_step_channel(struct stream *stream, int direction);
  63 int radio_step_freq(struct stream *stream, float step_interval);
  64
  65 #endif /* MPLAYER_STREAM_RADIO_H */