device.h

   1 /*
   2  * Copyright (C) 2008 Mark Hills <mark@pogo.org.uk>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11  * General Public License version 2 for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * version 2 along with this program; if not, write to the Free
  15  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  16  * MA 02110-1301, USA.
  17  *
  18  */
  19
  20 #ifndef DEVICE_H
  21 #define DEVICE_H
  22
  23 #include <glib.h>
  24 #include <sys/poll.h>
  25
  26 #define DEVICE_CHANNELS 2
  27 #define DEVICE_RATE 44100
  28 #define DEVICE_FRAME 32
  29
  30 struct device_t {
  31     void *local;
  32
  33     struct timecoder_t *timecoder;
  34     struct player_t *player;
  35
  36     int (*pollfds)(struct device_t *dv, struct pollfd *pe, int n);
  37     int (*handle)(struct device_t *dv);
  38
  39     int (*start)(struct device_t *dv);
  40     int (*stop)(struct device_t *dv);
  41
  42     int (*clear)(struct device_t *dv);
  43 };
  44
  45 struct device_t* createDevice(GError**error);
  46 gboolean connectAudio(struct device_t* device, int r);
  47
  48 guint get_device_count();
  49
  50 void device_connect_timecoder(struct device_t *dv, struct timecoder_t *tc);
  51 void device_connect_player(struct device_t *dv, struct player_t *pl);
  52
  53 int device_start(struct device_t *dv);
  54 int device_stop(struct device_t *dv);
  55
  56 int device_clear(struct device_t *dv);
  57
  58 int device_pollfds(struct device_t *dv, struct pollfd *pe, int n);
  59 int device_handle(struct device_t *dv);
  60
  61 #endif