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/*
* Copyright (C) 2003-2010 The Music Player Daemon Project
* Copyright (C) 2010-2011 Philipp 'ph3-der-loewe' Schafft
* Copyright (C) 2010-2011 Hans-Kristian 'maister' Arntzen
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "mixer_api.h"
#include "output_api.h"
#include "output/roar_output_plugin.h"
#include <glib.h>
#include <assert.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
typedef struct roar_mpd_mixer
{
/** the base mixer class */
struct mixer base;
roar_t *self;
} roar_mixer_t;
/**
* The quark used for GError.domain.
*/
static inline GQuark
roar_mixer_quark(void)
{
return g_quark_from_static_string("roar_mixer");
}
static struct mixer *
roar_mixer_init(void *ao, G_GNUC_UNUSED const struct config_param *param,
G_GNUC_UNUSED GError **error_r)
{
roar_mixer_t *self = g_new(roar_mixer_t, 1);
self->self = ao;
mixer_init(&self->base, &roar_mixer_plugin);
return &self->base;
}
static void
roar_mixer_finish(struct mixer *data)
{
roar_mixer_t *self = (roar_mixer_t *) data;
g_free(self);
}
static void
roar_mixer_close(G_GNUC_UNUSED struct mixer *data)
{
}
static bool
roar_mixer_open(G_GNUC_UNUSED struct mixer *data,
G_GNUC_UNUSED GError **error_r)
{
return true;
}
static int
roar_mixer_get_volume(struct mixer *mixer, G_GNUC_UNUSED GError **error_r)
{
roar_mixer_t *self = (roar_mixer_t *)mixer;
g_mutex_lock(self->self->lock);
if (self->self->vss && self->self->alive)
{
float l, r;
int error;
roar_vs_volume_get(self->self->vss, &l, &r, &error);
g_mutex_unlock(self->self->lock);
return (l + r) * 50;
}
else
{
g_mutex_unlock(self->self->lock);
return 0;
}
}
static bool
roar_mixer_set_volume(struct mixer *mixer, unsigned volume,
G_GNUC_UNUSED GError **error_r)
{
roar_mixer_t *self = (roar_mixer_t *)mixer;
g_mutex_lock(self->self->lock);
if (self->self->vss && self->self->alive)
{
assert(volume <= 100);
int error;
float level = volume / 100.0;
roar_vs_volume_mono(self->self->vss, level, &error);
g_mutex_unlock(self->self->lock);
return true;
}
else
{
g_mutex_unlock(self->self->lock);
return false;
}
}
const struct mixer_plugin roar_mixer_plugin = {
.init = roar_mixer_init,
.finish = roar_mixer_finish,
.open = roar_mixer_open,
.close = roar_mixer_close,
.get_volume = roar_mixer_get_volume,
.set_volume = roar_mixer_set_volume,
.global = false,
};
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