diff options
Diffstat (limited to 'subprojects/gvc/gvc-mixer-card.c')
| -rw-r--r-- | subprojects/gvc/gvc-mixer-card.c | 574 |
1 files changed, 574 insertions, 0 deletions
diff --git a/subprojects/gvc/gvc-mixer-card.c b/subprojects/gvc/gvc-mixer-card.c new file mode 100644 index 0000000..39f59ca --- /dev/null +++ b/subprojects/gvc/gvc-mixer-card.c @@ -0,0 +1,574 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 William Jon McCann + * Copyright (C) 2009 Bastien Nocera + * Copyright (C) Conor Curran 2011 <conor.curran@canonical.com> + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> + +#include <glib.h> +#include <glib/gi18n-lib.h> + +#include <pulse/pulseaudio.h> + +#include "gvc-mixer-card.h" +#include "gvc-mixer-card-private.h" + +static guint32 card_serial = 1; + +struct GvcMixerCardPrivate +{ + pa_context *pa_context; + guint id; + guint index; + char *name; + char *icon_name; + char *profile; + char *target_profile; + char *human_profile; + GList *profiles; + pa_operation *profile_op; + GList *ports; +}; + +enum +{ + PROP_0, + PROP_ID, + PROP_PA_CONTEXT, + PROP_INDEX, + PROP_NAME, + PROP_ICON_NAME, + PROP_PROFILE, + PROP_HUMAN_PROFILE, + N_PROPS +}; +static GParamSpec *obj_props[N_PROPS] = { NULL, }; + +static void gvc_mixer_card_finalize (GObject *object); + +G_DEFINE_TYPE_WITH_PRIVATE (GvcMixerCard, gvc_mixer_card, G_TYPE_OBJECT) + +static guint32 +get_next_card_serial (void) +{ + guint32 serial; + + serial = card_serial++; + + if ((gint32)card_serial < 0) { + card_serial = 1; + } + + return serial; +} + +pa_context * +gvc_mixer_card_get_pa_context (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), 0); + return card->priv->pa_context; +} + +guint +gvc_mixer_card_get_index (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), 0); + return card->priv->index; +} + +guint +gvc_mixer_card_get_id (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), 0); + return card->priv->id; +} + +const char * +gvc_mixer_card_get_name (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL); + return card->priv->name; +} + +gboolean +gvc_mixer_card_set_name (GvcMixerCard *card, + const char *name) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE); + + g_free (card->priv->name); + card->priv->name = g_strdup (name); + g_object_notify_by_pspec (G_OBJECT (card), obj_props[PROP_NAME]); + + return TRUE; +} + +const char * +gvc_mixer_card_get_icon_name (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL); + return card->priv->icon_name; +} + +gboolean +gvc_mixer_card_set_icon_name (GvcMixerCard *card, + const char *icon_name) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE); + + g_free (card->priv->icon_name); + card->priv->icon_name = g_strdup (icon_name); + g_object_notify_by_pspec (G_OBJECT (card), obj_props[PROP_ICON_NAME]); + + return TRUE; +} + +/** + * gvc_mixer_card_get_profile: (skip) + * @card: + * + * Returns: + */ +GvcMixerCardProfile * +gvc_mixer_card_get_profile (GvcMixerCard *card) +{ + GList *l; + + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL); + g_return_val_if_fail (card->priv->profiles != NULL, NULL); + + for (l = card->priv->profiles; l != NULL; l = l->next) { + GvcMixerCardProfile *p = l->data; + if (g_str_equal (card->priv->profile, p->profile)) { + return p; + } + } + + g_assert_not_reached (); + + return NULL; +} + +gboolean +gvc_mixer_card_set_profile (GvcMixerCard *card, + const char *profile) +{ + GList *l; + + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE); + g_return_val_if_fail (card->priv->profiles != NULL, FALSE); + + g_free (card->priv->profile); + card->priv->profile = g_strdup (profile); + + g_free (card->priv->human_profile); + card->priv->human_profile = NULL; + + for (l = card->priv->profiles; l != NULL; l = l->next) { + GvcMixerCardProfile *p = l->data; + if (g_str_equal (card->priv->profile, p->profile)) { + card->priv->human_profile = g_strdup (p->human_profile); + break; + } + } + + g_object_notify_by_pspec (G_OBJECT (card), obj_props[PROP_PROFILE]); + + return TRUE; +} + +static void +_pa_context_set_card_profile_by_index_cb (pa_context *context, + int success, + void *userdata) +{ + GvcMixerCard *card = GVC_MIXER_CARD (userdata); + + g_assert (card->priv->target_profile); + + if (success > 0) { + gvc_mixer_card_set_profile (card, card->priv->target_profile); + } else { + g_debug ("Failed to switch profile on '%s' from '%s' to '%s'", + card->priv->name, + card->priv->profile, + card->priv->target_profile); + } + g_free (card->priv->target_profile); + card->priv->target_profile = NULL; + + pa_operation_unref (card->priv->profile_op); + card->priv->profile_op = NULL; +} + +/** + * gvc_mixer_card_change_profile: + * @card: a #GvcMixerCard + * @profile: (allow-none): the profile to change to or %NULL. + * + * Change the profile in use on this card. + * + * Returns: %TRUE if profile successfully changed or already using this profile. + */ +gboolean +gvc_mixer_card_change_profile (GvcMixerCard *card, + const char *profile) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE); + g_return_val_if_fail (card->priv->profiles != NULL, FALSE); + + /* Same profile, or already requested? */ + if (g_strcmp0 (card->priv->profile, profile) == 0) + return TRUE; + if (g_strcmp0 (profile, card->priv->target_profile) == 0) + return TRUE; + if (card->priv->profile_op != NULL) { + pa_operation_cancel (card->priv->profile_op); + pa_operation_unref (card->priv->profile_op); + card->priv->profile_op = NULL; + } + + if (card->priv->profile != NULL) { + g_free (card->priv->target_profile); + card->priv->target_profile = g_strdup (profile); + + card->priv->profile_op = pa_context_set_card_profile_by_index (card->priv->pa_context, + card->priv->index, + card->priv->target_profile, + _pa_context_set_card_profile_by_index_cb, + card); + + if (card->priv->profile_op == NULL) { + g_warning ("pa_context_set_card_profile_by_index() failed"); + return FALSE; + } + } else { + g_assert (card->priv->human_profile == NULL); + card->priv->profile = g_strdup (profile); + } + + return TRUE; +} + +/** + * gvc_mixer_card_get_profiles: + * + * Return value: (transfer none) (element-type GvcMixerCardProfile): + */ +const GList * +gvc_mixer_card_get_profiles (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL); + return card->priv->profiles; +} + +/** + * gvc_mixer_card_get_ports: + * + * Return value: (transfer none) (element-type GvcMixerCardPort): + */ +const GList * +gvc_mixer_card_get_ports (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL); + return card->priv->ports; +} + +/** + * gvc_mixer_card_profile_compare: + * + * Return value: 1 if @a has a higher priority, -1 if @b has a higher + * priority, 0 if @a and @b have the same priority. + */ +int +gvc_mixer_card_profile_compare (GvcMixerCardProfile *a, + GvcMixerCardProfile *b) +{ + if (a->priority == b->priority) + return 0; + if (a->priority > b->priority) + return 1; + return -1; +} + +/** + * gvc_mixer_card_set_profiles: + * @profiles: (transfer full) (element-type GvcMixerCardProfile): + */ +gboolean +gvc_mixer_card_set_profiles (GvcMixerCard *card, + GList *profiles) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE); + g_return_val_if_fail (card->priv->profiles == NULL, FALSE); + + card->priv->profiles = g_list_sort (profiles, (GCompareFunc) gvc_mixer_card_profile_compare); + + return TRUE; +} + +/** + * gvc_mixer_card_get_gicon: + * @card: + * + * Return value: (transfer full): + */ +GIcon * +gvc_mixer_card_get_gicon (GvcMixerCard *card) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL); + + if (card->priv->icon_name == NULL) + return NULL; + + return g_themed_icon_new_with_default_fallbacks (card->priv->icon_name); +} + +static void +free_port (GvcMixerCardPort *port) +{ + g_free (port->port); + g_free (port->human_port); + g_free (port->icon_name); + g_list_free (port->profiles); + + g_free (port); +} + +/** + * gvc_mixer_card_set_ports: + * @ports: (transfer full) (element-type GvcMixerCardPort): + */ +gboolean +gvc_mixer_card_set_ports (GvcMixerCard *card, + GList *ports) +{ + g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE); + g_return_val_if_fail (card->priv->ports == NULL, FALSE); + + g_list_free_full (card->priv->ports, (GDestroyNotify) free_port); + card->priv->ports = ports; + + return TRUE; +} + +static void +gvc_mixer_card_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GvcMixerCard *self = GVC_MIXER_CARD (object); + + switch (prop_id) { + case PROP_PA_CONTEXT: + self->priv->pa_context = g_value_get_pointer (value); + break; + case PROP_INDEX: + self->priv->index = g_value_get_ulong (value); + break; + case PROP_ID: + self->priv->id = g_value_get_ulong (value); + break; + case PROP_NAME: + gvc_mixer_card_set_name (self, g_value_get_string (value)); + break; + case PROP_ICON_NAME: + gvc_mixer_card_set_icon_name (self, g_value_get_string (value)); + break; + case PROP_PROFILE: + gvc_mixer_card_set_profile (self, g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gvc_mixer_card_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GvcMixerCard *self = GVC_MIXER_CARD (object); + + switch (prop_id) { + case PROP_PA_CONTEXT: + g_value_set_pointer (value, self->priv->pa_context); + break; + case PROP_INDEX: + g_value_set_ulong (value, self->priv->index); + break; + case PROP_ID: + g_value_set_ulong (value, self->priv->id); + break; + case PROP_NAME: + g_value_set_string (value, self->priv->name); + break; + case PROP_ICON_NAME: + g_value_set_string (value, self->priv->icon_name); + break; + case PROP_PROFILE: + g_value_set_string (value, self->priv->profile); + break; + case PROP_HUMAN_PROFILE: + g_value_set_string (value, self->priv->human_profile); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GObject * +gvc_mixer_card_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_params) +{ + GObject *object; + GvcMixerCard *self; + + object = G_OBJECT_CLASS (gvc_mixer_card_parent_class)->constructor (type, n_construct_properties, construct_params); + + self = GVC_MIXER_CARD (object); + + self->priv->id = get_next_card_serial (); + + return object; +} + +static void +gvc_mixer_card_class_init (GvcMixerCardClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + + gobject_class->constructor = gvc_mixer_card_constructor; + gobject_class->finalize = gvc_mixer_card_finalize; + + gobject_class->set_property = gvc_mixer_card_set_property; + gobject_class->get_property = gvc_mixer_card_get_property; + + obj_props[PROP_INDEX] = g_param_spec_ulong ("index", + "Index", + "The index for this card", + 0, G_MAXULONG, 0, + G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY|G_PARAM_STATIC_STRINGS); + obj_props[PROP_ID] = g_param_spec_ulong ("id", + "id", + "The id for this card", + 0, G_MAXULONG, 0, + G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY|G_PARAM_STATIC_STRINGS); + obj_props[PROP_PA_CONTEXT] = g_param_spec_pointer ("pa-context", + "PulseAudio context", + "The PulseAudio context for this card", + G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY|G_PARAM_STATIC_STRINGS); + obj_props[PROP_NAME] = g_param_spec_string ("name", + "Name", + "Name to display for this card", + NULL, + G_PARAM_READWRITE|G_PARAM_CONSTRUCT|G_PARAM_STATIC_STRINGS); + obj_props[PROP_ICON_NAME] = g_param_spec_string ("icon-name", + "Icon Name", + "Name of icon to display for this card", + NULL, + G_PARAM_READWRITE|G_PARAM_CONSTRUCT|G_PARAM_STATIC_STRINGS); + obj_props[PROP_PROFILE] = g_param_spec_string ("profile", + "Profile", + "Name of current profile for this card", + NULL, + G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS); + obj_props[PROP_HUMAN_PROFILE] = g_param_spec_string ("human-profile", + "Profile (Human readable)", + "Name of current profile for this card in human readable form", + NULL, + G_PARAM_READABLE|G_PARAM_STATIC_STRINGS); + + g_object_class_install_properties (gobject_class, N_PROPS, obj_props); +} + +static void +gvc_mixer_card_init (GvcMixerCard *card) +{ + card->priv = gvc_mixer_card_get_instance_private (card); +} + +GvcMixerCard * +gvc_mixer_card_new (pa_context *context, + guint index) +{ + GObject *object; + + object = g_object_new (GVC_TYPE_MIXER_CARD, + "index", index, + "pa-context", context, + NULL); + return GVC_MIXER_CARD (object); +} + +static void +free_profile (GvcMixerCardProfile *p) +{ + g_free (p->profile); + g_free (p->human_profile); + g_free (p->status); + g_free (p); +} + +static void +gvc_mixer_card_finalize (GObject *object) +{ + GvcMixerCard *mixer_card; + + g_return_if_fail (object != NULL); + g_return_if_fail (GVC_IS_MIXER_CARD (object)); + + mixer_card = GVC_MIXER_CARD (object); + + g_return_if_fail (mixer_card->priv != NULL); + + g_free (mixer_card->priv->name); + mixer_card->priv->name = NULL; + + g_free (mixer_card->priv->icon_name); + mixer_card->priv->icon_name = NULL; + + g_free (mixer_card->priv->target_profile); + mixer_card->priv->target_profile = NULL; + + g_free (mixer_card->priv->profile); + mixer_card->priv->profile = NULL; + + g_free (mixer_card->priv->human_profile); + mixer_card->priv->human_profile = NULL; + + g_list_free_full (mixer_card->priv->profiles, (GDestroyNotify) free_profile); + mixer_card->priv->profiles = NULL; + + g_list_free_full (mixer_card->priv->ports, (GDestroyNotify) free_port); + mixer_card->priv->ports = NULL; + + G_OBJECT_CLASS (gvc_mixer_card_parent_class)->finalize (object); +} + |