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Diffstat (limited to '')
-rw-r--r-- | src/mixer/roar_mixer_plugin.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/mixer/roar_mixer_plugin.c b/src/mixer/roar_mixer_plugin.c new file mode 100644 index 000000000..636a9c00e --- /dev/null +++ b/src/mixer/roar_mixer_plugin.c @@ -0,0 +1,133 @@ +/* + * 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 <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, +}; |