1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98
|
/*
* MOC - music on console
* Copyright (C) 2004 Damian Pietras <daper@daper.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
/* Fake output device - only for testing. */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <unistd.h>
#include "audio.h"
#include "common.h"
static struct sound_params params = { 0, 0, 0 };
static int null_open (struct sound_params *sound_params)
{
params = *sound_params;
return 1;
}
static void null_close ()
{
params.rate = 0;
}
static int null_play (const char *buff ATTR_UNUSED, const size_t size)
{
usleep (size * 1000000.0 / audio_get_bps(params.fmt));
return size;
}
static int null_read_mixer ()
{
return 100;
}
static void null_set_mixer (int vol ATTR_UNUSED)
{
}
static int null_get_buff_fill ()
{
return 0;
}
static int null_reset ()
{
return 1;
}
static int null_init (struct output_driver_caps *caps)
{
caps->formats = SFMT_S8 | SFMT_S16 | SFMT_LE;
caps->min_channels = 1;
caps->max_channels = 2;
return 1;
}
static int null_get_rate ()
{
return params.rate;
}
static void null_toggle_mixer_channel ()
{
}
static char *null_get_mixer_channel_name ()
{
return xstrdup ("FakeMixer");
}
void null_funcs (struct hw_funcs *funcs)
{
funcs->init = null_init;
funcs->open = null_open;
funcs->close = null_close;
funcs->play = null_play;
funcs->read_mixer = null_read_mixer;
funcs->set_mixer = null_set_mixer;
funcs->get_buff_fill = null_get_buff_fill;
funcs->reset = null_reset;
funcs->get_rate = null_get_rate;
funcs->toggle_mixer_channel = null_toggle_mixer_channel;
funcs->get_mixer_channel_name = null_get_mixer_channel_name;
}
|