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Diffstat (limited to '')
-rw-r--r-- | src/mixer/software_mixer_plugin.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/src/mixer/software_mixer_plugin.c b/src/mixer/software_mixer_plugin.c deleted file mode 100644 index 0206c3b99..000000000 --- a/src/mixer/software_mixer_plugin.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright (C) 2003-2011 The Music Player Daemon Project - * http://www.musicpd.org - * - * 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 "software_mixer_plugin.h" -#include "mixer_api.h" -#include "filter_plugin.h" -#include "filter_registry.h" -#include "filter/volume_filter_plugin.h" -#include "pcm_volume.h" - -#include <assert.h> -#include <math.h> - -struct software_mixer { - /** the base mixer class */ - struct mixer base; - - struct filter *filter; - - unsigned volume; -}; - -static struct mixer * -software_mixer_init(G_GNUC_UNUSED void *ao, - G_GNUC_UNUSED const struct config_param *param, - G_GNUC_UNUSED GError **error_r) -{ - struct software_mixer *sm = g_new(struct software_mixer, 1); - - mixer_init(&sm->base, &software_mixer_plugin); - - sm->filter = filter_new(&volume_filter_plugin, NULL, NULL); - assert(sm->filter != NULL); - - sm->volume = 100; - - return &sm->base; -} - -static void -software_mixer_finish(struct mixer *data) -{ - struct software_mixer *sm = (struct software_mixer *)data; - - g_free(sm); -} - -static int -software_mixer_get_volume(struct mixer *mixer, G_GNUC_UNUSED GError **error_r) -{ - struct software_mixer *sm = (struct software_mixer *)mixer; - - return sm->volume; -} - -static bool -software_mixer_set_volume(struct mixer *mixer, unsigned volume, - G_GNUC_UNUSED GError **error_r) -{ - struct software_mixer *sm = (struct software_mixer *)mixer; - - assert(volume <= 100); - - sm->volume = volume; - - if (volume >= 100) - volume = PCM_VOLUME_1; - else if (volume > 0) - volume = pcm_float_to_volume((exp(volume / 25.0) - 1) / - (54.5981500331F - 1)); - - volume_filter_set(sm->filter, volume); - return true; -} - -const struct mixer_plugin software_mixer_plugin = { - .init = software_mixer_init, - .finish = software_mixer_finish, - .get_volume = software_mixer_get_volume, - .set_volume = software_mixer_set_volume, - .global = true, -}; - -struct filter * -software_mixer_get_filter(struct mixer *mixer) -{ - struct software_mixer *sm = (struct software_mixer *)mixer; - - assert(sm->base.plugin == &software_mixer_plugin); - - return sm->filter; -} |