diff options
Diffstat (limited to '')
-rw-r--r-- | src/mixer_control.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/mixer_control.c b/src/mixer_control.c deleted file mode 100644 index 3e984dd04..000000000 --- a/src/mixer_control.c +++ /dev/null @@ -1,185 +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 "mixer_control.h" -#include "mixer_api.h" - -#include <assert.h> -#include <stddef.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "mixer" - -struct mixer * -mixer_new(const struct mixer_plugin *plugin, void *ao, - const struct config_param *param, - GError **error_r) -{ - struct mixer *mixer; - - assert(plugin != NULL); - - mixer = plugin->init(ao, param, error_r); - - assert(mixer == NULL || mixer->plugin == plugin); - - return mixer; -} - -void -mixer_free(struct mixer *mixer) -{ - assert(mixer != NULL); - assert(mixer->plugin != NULL); - assert(mixer->mutex != NULL); - - /* mixers with the "global" flag set might still be open at - this point (see mixer_auto_close()) */ - mixer_close(mixer); - - g_mutex_free(mixer->mutex); - - mixer->plugin->finish(mixer); -} - -bool -mixer_open(struct mixer *mixer, GError **error_r) -{ - bool success; - - assert(mixer != NULL); - assert(mixer->plugin != NULL); - - g_mutex_lock(mixer->mutex); - - if (mixer->open) - success = true; - else if (mixer->plugin->open == NULL) - success = mixer->open = true; - else - success = mixer->open = mixer->plugin->open(mixer, error_r); - - mixer->failed = !success; - - g_mutex_unlock(mixer->mutex); - - return success; -} - -static void -mixer_close_internal(struct mixer *mixer) -{ - assert(mixer != NULL); - assert(mixer->plugin != NULL); - assert(mixer->open); - - if (mixer->plugin->close != NULL) - mixer->plugin->close(mixer); - - mixer->open = false; -} - -void -mixer_close(struct mixer *mixer) -{ - assert(mixer != NULL); - assert(mixer->plugin != NULL); - - g_mutex_lock(mixer->mutex); - - if (mixer->open) - mixer_close_internal(mixer); - - g_mutex_unlock(mixer->mutex); -} - -void -mixer_auto_close(struct mixer *mixer) -{ - if (!mixer->plugin->global) - mixer_close(mixer); -} - -/* - * Close the mixer due to failure. The mutex must be locked before - * calling this function. - */ -static void -mixer_failed(struct mixer *mixer) -{ - assert(mixer->open); - - mixer_close_internal(mixer); - - mixer->failed = true; -} - -int -mixer_get_volume(struct mixer *mixer, GError **error_r) -{ - int volume; - - assert(mixer != NULL); - - if (mixer->plugin->global && !mixer->failed && - !mixer_open(mixer, error_r)) - return -1; - - g_mutex_lock(mixer->mutex); - - if (mixer->open) { - GError *error = NULL; - - volume = mixer->plugin->get_volume(mixer, &error); - if (volume < 0 && error != NULL) { - g_propagate_error(error_r, error); - mixer_failed(mixer); - } - } else - volume = -1; - - g_mutex_unlock(mixer->mutex); - - return volume; -} - -bool -mixer_set_volume(struct mixer *mixer, unsigned volume, GError **error_r) -{ - bool success; - - assert(mixer != NULL); - assert(volume <= 100); - - if (mixer->plugin->global && !mixer->failed && - !mixer_open(mixer, error_r)) - return false; - - g_mutex_lock(mixer->mutex); - - if (mixer->open) { - success = mixer->plugin->set_volume(mixer, volume, error_r); - } else - success = false; - - g_mutex_unlock(mixer->mutex); - - return success; -} |