diff options
Diffstat (limited to 'mate-volume-control/src/gvc-channel-map.c')
| -rw-r--r-- | mate-volume-control/src/gvc-channel-map.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/mate-volume-control/src/gvc-channel-map.c b/mate-volume-control/src/gvc-channel-map.c deleted file mode 100644 index 38dad1c..0000000 --- a/mate-volume-control/src/gvc-channel-map.c +++ /dev/null @@ -1,245 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * Copyright (C) 2008 William Jon McCann - * - * 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 St, Fifth Floor, Boston, MA 02110-1301, USA. - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> - -#include <glib.h> -#include <glib/gi18n.h> - -#include <pulse/pulseaudio.h> - -#include "gvc-channel-map.h" - -#define GVC_CHANNEL_MAP_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_CHANNEL_MAP, GvcChannelMapPrivate)) - -struct GvcChannelMapPrivate -{ - pa_channel_map pa_map; - gboolean pa_volume_is_set; - pa_cvolume pa_volume; - gdouble extern_volume[NUM_TYPES]; /* volume, balance, fade, lfe */ - gboolean can_balance; - gboolean can_fade; -}; - -enum { - VOLUME_CHANGED, - LAST_SIGNAL -}; - -static guint signals [LAST_SIGNAL] = { 0, }; - -static void gvc_channel_map_class_init (GvcChannelMapClass *klass); -static void gvc_channel_map_init (GvcChannelMap *channel_map); -static void gvc_channel_map_finalize (GObject *object); - -G_DEFINE_TYPE (GvcChannelMap, gvc_channel_map, G_TYPE_OBJECT) - -guint -gvc_channel_map_get_num_channels (const GvcChannelMap *map) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), 0); - - if (!pa_channel_map_valid(&map->priv->pa_map)) - return 0; - - return map->priv->pa_map.channels; -} - -const gdouble * -gvc_channel_map_get_volume (GvcChannelMap *map) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL); - - if (!pa_channel_map_valid(&map->priv->pa_map)) - return NULL; - - map->priv->extern_volume[VOLUME] = (gdouble) pa_cvolume_max (&map->priv->pa_volume); - if (gvc_channel_map_can_balance (map)) - map->priv->extern_volume[BALANCE] = (gdouble) pa_cvolume_get_balance (&map->priv->pa_volume, &map->priv->pa_map); - else - map->priv->extern_volume[BALANCE] = 0; - if (gvc_channel_map_can_fade (map)) - map->priv->extern_volume[FADE] = (gdouble) pa_cvolume_get_fade (&map->priv->pa_volume, &map->priv->pa_map); - else - map->priv->extern_volume[FADE] = 0; - if (gvc_channel_map_has_lfe (map)) - map->priv->extern_volume[LFE] = (gdouble) pa_cvolume_get_position (&map->priv->pa_volume, &map->priv->pa_map, PA_CHANNEL_POSITION_LFE); - else - map->priv->extern_volume[LFE] = 0; - - return map->priv->extern_volume; -} - -gboolean -gvc_channel_map_can_balance (const GvcChannelMap *map) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), FALSE); - - return map->priv->can_balance; -} - -gboolean -gvc_channel_map_can_fade (const GvcChannelMap *map) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), FALSE); - - return map->priv->can_fade; -} - -const char * -gvc_channel_map_get_mapping (const GvcChannelMap *map) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL); - - if (!pa_channel_map_valid(&map->priv->pa_map)) - return NULL; - - return pa_channel_map_to_pretty_name (&map->priv->pa_map); -} - -gboolean -gvc_channel_map_has_position (const GvcChannelMap *map, - pa_channel_position_t position) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), FALSE); - - return pa_channel_map_has_position (&(map->priv->pa_map), position); -} - -const pa_channel_map * -gvc_channel_map_get_pa_channel_map (const GvcChannelMap *map) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL); - - if (!pa_channel_map_valid(&map->priv->pa_map)) - return NULL; - - return &map->priv->pa_map; -} - -const pa_cvolume * -gvc_channel_map_get_cvolume (const GvcChannelMap *map) -{ - g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL); - - if (!pa_channel_map_valid(&map->priv->pa_map)) - return NULL; - - return &map->priv->pa_volume; -} - -static void -gvc_channel_map_class_init (GvcChannelMapClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - - gobject_class->finalize = gvc_channel_map_finalize; - - signals [VOLUME_CHANGED] = - g_signal_new ("volume-changed", - G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GvcChannelMapClass, volume_changed), - NULL, NULL, - g_cclosure_marshal_VOID__BOOLEAN, - G_TYPE_NONE, 1, G_TYPE_BOOLEAN); - - g_type_class_add_private (klass, sizeof (GvcChannelMapPrivate)); -} - -void -gvc_channel_map_volume_changed (GvcChannelMap *map, - const pa_cvolume *cv, - gboolean set) -{ - g_return_if_fail (GVC_IS_CHANNEL_MAP (map)); - g_return_if_fail (cv != NULL); - g_return_if_fail (pa_cvolume_compatible_with_channel_map(cv, &map->priv->pa_map)); - - if (pa_cvolume_equal(cv, &map->priv->pa_volume)) - return; - - map->priv->pa_volume = *cv; - - if (map->priv->pa_volume_is_set == FALSE) { - map->priv->pa_volume_is_set = TRUE; - return; - } - g_signal_emit (map, signals[VOLUME_CHANGED], 0, set); -} - -static void -gvc_channel_map_init (GvcChannelMap *map) -{ - map->priv = GVC_CHANNEL_MAP_GET_PRIVATE (map); - map->priv->pa_volume_is_set = FALSE; -} - -static void -gvc_channel_map_finalize (GObject *object) -{ - GvcChannelMap *channel_map; - - g_return_if_fail (object != NULL); - g_return_if_fail (GVC_IS_CHANNEL_MAP (object)); - - channel_map = GVC_CHANNEL_MAP (object); - - g_return_if_fail (channel_map->priv != NULL); - - G_OBJECT_CLASS (gvc_channel_map_parent_class)->finalize (object); -} - -GvcChannelMap * -gvc_channel_map_new (void) -{ - GObject *map; - map = g_object_new (GVC_TYPE_CHANNEL_MAP, NULL); - return GVC_CHANNEL_MAP (map); -} - -static void -set_from_pa_map (GvcChannelMap *map, - const pa_channel_map *pa_map) -{ - g_assert (pa_channel_map_valid(pa_map)); - - map->priv->can_balance = pa_channel_map_can_balance (pa_map); - map->priv->can_fade = pa_channel_map_can_fade (pa_map); - - map->priv->pa_map = *pa_map; - pa_cvolume_set(&map->priv->pa_volume, pa_map->channels, PA_VOLUME_NORM); -} - -GvcChannelMap * -gvc_channel_map_new_from_pa_channel_map (const pa_channel_map *pa_map) -{ - GObject *map; - map = g_object_new (GVC_TYPE_CHANNEL_MAP, NULL); - - set_from_pa_map (GVC_CHANNEL_MAP (map), pa_map); - - return GVC_CHANNEL_MAP (map); -} |