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gnome-shell/src/gvc/gvc-mixer-control.c
Giovanni Campagna 55a4517cd1 Fix documentation warnings 
gobject-introspection now emits many more warnings for malformed
comments, and they fail the build.

https://bugzilla.gnome.org/show_bug.cgi?id=673656
2012-04-09 19:57:51 +02:00

2242 lines
74 KiB
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2006-2008 Lennart Poettering
* Copyright (C) 2008 Sjoerd Simons <sjoerd@luon.net>
* 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., 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 <pulse/glib-mainloop.h>
#include <pulse/ext-stream-restore.h>
#include "gvc-mixer-control.h"
#include "gvc-mixer-sink.h"
#include "gvc-mixer-source.h"
#include "gvc-mixer-sink-input.h"
#include "gvc-mixer-source-output.h"
#include "gvc-mixer-event-role.h"
#include "gvc-mixer-card.h"
#include "gvc-mixer-card-private.h"
#include "gvc-channel-map-private.h"
#include "gvc-mixer-control-private.h"
#define GVC_MIXER_CONTROL_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_MIXER_CONTROL, GvcMixerControlPrivate))
#define RECONNECT_DELAY 5
enum {
PROP_0,
PROP_NAME
};
struct GvcMixerControlPrivate
{
pa_glib_mainloop *pa_mainloop;
pa_mainloop_api *pa_api;
pa_context *pa_context;
int n_outstanding;
guint reconnect_id;
char *name;
gboolean default_sink_is_set;
guint default_sink_id;
char *default_sink_name;
gboolean default_source_is_set;
guint default_source_id;
char *default_source_name;
gboolean event_sink_input_is_set;
guint event_sink_input_id;
GHashTable *all_streams;
GHashTable *sinks; /* fixed outputs */
GHashTable *sources; /* fixed inputs */
GHashTable *sink_inputs; /* routable output streams */
GHashTable *source_outputs; /* routable input streams */
GHashTable *clients;
GHashTable *cards;
GvcMixerStream *new_default_stream; /* new default stream, used in gvc_mixer_control_set_default_sink () */
GvcMixerControlState state;
};
enum {
STATE_CHANGED,
STREAM_ADDED,
STREAM_REMOVED,
CARD_ADDED,
CARD_REMOVED,
DEFAULT_SINK_CHANGED,
DEFAULT_SOURCE_CHANGED,
LAST_SIGNAL
};
static guint signals [LAST_SIGNAL] = { 0, };
static void gvc_mixer_control_class_init (GvcMixerControlClass *klass);
static void gvc_mixer_control_init (GvcMixerControl *mixer_control);
static void gvc_mixer_control_finalize (GObject *object);
G_DEFINE_TYPE (GvcMixerControl, gvc_mixer_control, G_TYPE_OBJECT)
pa_context *
gvc_mixer_control_get_pa_context (GvcMixerControl *control)
{
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
return control->priv->pa_context;
}
/**
* gvc_mixer_control_get_event_sink_input:
* @control:
*
* Returns: (transfer none):
*/
GvcMixerStream *
gvc_mixer_control_get_event_sink_input (GvcMixerControl *control)
{
GvcMixerStream *stream;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
stream = g_hash_table_lookup (control->priv->all_streams,
GUINT_TO_POINTER (control->priv->event_sink_input_id));
return stream;
}
static void
gvc_mixer_control_stream_restore_cb (pa_context *c,
const pa_ext_stream_restore_info *info,
int eol,
void *userdata)
{
pa_operation *o;
GvcMixerControl *control = (GvcMixerControl *) userdata;
pa_ext_stream_restore_info new_info;
if (eol || control->priv->new_default_stream == NULL)
return;
new_info.name = info->name;
new_info.channel_map = info->channel_map;
new_info.volume = info->volume;
new_info.mute = info->mute;
new_info.device = gvc_mixer_stream_get_name (control->priv->new_default_stream);
o = pa_ext_stream_restore_write (control->priv->pa_context,
PA_UPDATE_REPLACE,
&new_info, 1,
TRUE, NULL, NULL);
if (o == NULL) {
g_warning ("pa_ext_stream_restore_write() failed: %s",
pa_strerror (pa_context_errno (control->priv->pa_context)));
return;
}
g_debug ("Changed default device for %s to %s", info->name, info->device);
pa_operation_unref (o);
}
gboolean
gvc_mixer_control_set_default_sink (GvcMixerControl *control,
GvcMixerStream *stream)
{
pa_operation *o;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE);
g_return_val_if_fail (GVC_IS_MIXER_STREAM (stream), FALSE);
o = pa_context_set_default_sink (control->priv->pa_context,
gvc_mixer_stream_get_name (stream),
NULL,
NULL);
if (o == NULL) {
g_warning ("pa_context_set_default_sink() failed: %s",
pa_strerror (pa_context_errno (control->priv->pa_context)));
return FALSE;
}
pa_operation_unref (o);
control->priv->new_default_stream = stream;
g_object_add_weak_pointer (G_OBJECT (stream), (gpointer *) &control->priv->new_default_stream);
o = pa_ext_stream_restore_read (control->priv->pa_context,
gvc_mixer_control_stream_restore_cb,
control);
if (o == NULL) {
g_warning ("pa_ext_stream_restore_read() failed: %s",
pa_strerror (pa_context_errno (control->priv->pa_context)));
return FALSE;
}
pa_operation_unref (o);
return TRUE;
}
gboolean
gvc_mixer_control_set_default_source (GvcMixerControl *control,
GvcMixerStream *stream)
{
pa_operation *o;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE);
g_return_val_if_fail (GVC_IS_MIXER_STREAM (stream), FALSE);
o = pa_context_set_default_source (control->priv->pa_context,
gvc_mixer_stream_get_name (stream),
NULL,
NULL);
if (o == NULL) {
g_warning ("pa_context_set_default_source() failed");
return FALSE;
}
pa_operation_unref (o);
return TRUE;
}
/**
* gvc_mixer_control_get_default_sink:
* @control:
*
* Returns: (transfer none):
*/
GvcMixerStream *
gvc_mixer_control_get_default_sink (GvcMixerControl *control)
{
GvcMixerStream *stream;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
if (control->priv->default_sink_is_set) {
stream = g_hash_table_lookup (control->priv->all_streams,
GUINT_TO_POINTER (control->priv->default_sink_id));
} else {
stream = NULL;
}
return stream;
}
/**
* gvc_mixer_control_get_default_source:
* @control:
*
* Returns: (transfer none):
*/
GvcMixerStream *
gvc_mixer_control_get_default_source (GvcMixerControl *control)
{
GvcMixerStream *stream;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
if (control->priv->default_source_is_set) {
stream = g_hash_table_lookup (control->priv->all_streams,
GUINT_TO_POINTER (control->priv->default_source_id));
} else {
stream = NULL;
}
return stream;
}
static gpointer
gvc_mixer_control_lookup_id (GHashTable *hash_table,
guint id)
{
return g_hash_table_lookup (hash_table,
GUINT_TO_POINTER (id));
}
/**
* gvc_mixer_control_lookup_stream_id:
* @control:
* @id:
*
* Returns: (transfer none):
*/
GvcMixerStream *
gvc_mixer_control_lookup_stream_id (GvcMixerControl *control,
guint id)
{
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
return gvc_mixer_control_lookup_id (control->priv->all_streams, id);
}
/**
* gvc_mixer_control_lookup_card_id:
* @control:
* @id:
*
* Returns: (transfer none):
*/
GvcMixerCard *
gvc_mixer_control_lookup_card_id (GvcMixerControl *control,
guint id)
{
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
return gvc_mixer_control_lookup_id (control->priv->cards, id);
}
static void
listify_hash_values_hfunc (gpointer key,
gpointer value,
gpointer user_data)
{
GSList **list = user_data;
*list = g_slist_prepend (*list, value);
}
static int
gvc_name_collate (const char *namea,
const char *nameb)
{
if (nameb == NULL && namea == NULL)
return 0;
if (nameb == NULL)
return 1;
if (namea == NULL)
return -1;
return g_utf8_collate (namea, nameb);
}
static int
gvc_card_collate (GvcMixerCard *a,
GvcMixerCard *b)
{
const char *namea;
const char *nameb;
g_return_val_if_fail (a == NULL || GVC_IS_MIXER_CARD (a), 0);
g_return_val_if_fail (b == NULL || GVC_IS_MIXER_CARD (b), 0);
namea = gvc_mixer_card_get_name (a);
nameb = gvc_mixer_card_get_name (b);
return gvc_name_collate (namea, nameb);
}
/**
* gvc_mixer_control_get_cards:
* @control:
*
* Returns: (transfer container) (element-type Gvc.MixerCard):
*/
GSList *
gvc_mixer_control_get_cards (GvcMixerControl *control)
{
GSList *retval;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
retval = NULL;
g_hash_table_foreach (control->priv->cards,
listify_hash_values_hfunc,
&retval);
return g_slist_sort (retval, (GCompareFunc) gvc_card_collate);
}
static int
gvc_stream_collate (GvcMixerStream *a,
GvcMixerStream *b)
{
const char *namea;
const char *nameb;
g_return_val_if_fail (a == NULL || GVC_IS_MIXER_STREAM (a), 0);
g_return_val_if_fail (b == NULL || GVC_IS_MIXER_STREAM (b), 0);
namea = gvc_mixer_stream_get_name (a);
nameb = gvc_mixer_stream_get_name (b);
return gvc_name_collate (namea, nameb);
}
/**
* gvc_mixer_control_get_streams:
* @control:
*
* Returns: (transfer container) (element-type Gvc.MixerStream):
*/
GSList *
gvc_mixer_control_get_streams (GvcMixerControl *control)
{
GSList *retval;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
retval = NULL;
g_hash_table_foreach (control->priv->all_streams,
listify_hash_values_hfunc,
&retval);
return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate);
}
/**
* gvc_mixer_control_get_sinks:
* @control:
*
* Returns: (transfer container) (element-type Gvc.MixerSink):
*/
GSList *
gvc_mixer_control_get_sinks (GvcMixerControl *control)
{
GSList *retval;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
retval = NULL;
g_hash_table_foreach (control->priv->sinks,
listify_hash_values_hfunc,
&retval);
return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate);
}
/**
* gvc_mixer_control_get_sources:
* @control:
*
* Returns: (transfer container) (element-type Gvc.MixerSource):
*/
GSList *
gvc_mixer_control_get_sources (GvcMixerControl *control)
{
GSList *retval;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
retval = NULL;
g_hash_table_foreach (control->priv->sources,
listify_hash_values_hfunc,
&retval);
return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate);
}
/**
* gvc_mixer_control_get_sink_inputs:
* @control:
*
* Returns: (transfer container) (element-type Gvc.MixerSinkInput):
*/
GSList *
gvc_mixer_control_get_sink_inputs (GvcMixerControl *control)
{
GSList *retval;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
retval = NULL;
g_hash_table_foreach (control->priv->sink_inputs,
listify_hash_values_hfunc,
&retval);
return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate);
}
/**
* gvc_mixer_control_get_source_outputs:
* @control:
*
* Returns: (transfer container) (element-type Gvc.MixerSourceOutput):
*/
GSList *
gvc_mixer_control_get_source_outputs (GvcMixerControl *control)
{
GSList *retval;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL);
retval = NULL;
g_hash_table_foreach (control->priv->source_outputs,
listify_hash_values_hfunc,
&retval);
return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate);
}
static void
dec_outstanding (GvcMixerControl *control)
{
if (control->priv->n_outstanding <= 0) {
return;
}
if (--control->priv->n_outstanding <= 0) {
control->priv->state = GVC_STATE_READY;
g_signal_emit (G_OBJECT (control), signals[STATE_CHANGED], 0, GVC_STATE_READY);
}
}
GvcMixerControlState
gvc_mixer_control_get_state (GvcMixerControl *control)
{
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE);
return control->priv->state;
}
static void
_set_default_source (GvcMixerControl *control,
GvcMixerStream *stream)
{
guint new_id;
if (stream == NULL) {
control->priv->default_source_id = 0;
control->priv->default_source_is_set = FALSE;
g_signal_emit (control,
signals[DEFAULT_SOURCE_CHANGED],
0,
PA_INVALID_INDEX);
return;
}
new_id = gvc_mixer_stream_get_id (stream);
if (control->priv->default_source_id != new_id) {
control->priv->default_source_id = new_id;
control->priv->default_source_is_set = TRUE;
g_signal_emit (control,
signals[DEFAULT_SOURCE_CHANGED],
0,
new_id);
}
}
static void
_set_default_sink (GvcMixerControl *control,
GvcMixerStream *stream)
{
guint new_id;
if (stream == NULL) {
/* Don't tell front-ends about an unset default
* sink if it's already unset */
if (control->priv->default_sink_is_set == FALSE)
return;
control->priv->default_sink_id = 0;
control->priv->default_sink_is_set = FALSE;
g_signal_emit (control,
signals[DEFAULT_SINK_CHANGED],
0,
PA_INVALID_INDEX);
return;
}
new_id = gvc_mixer_stream_get_id (stream);
if (control->priv->default_sink_id != new_id) {
control->priv->default_sink_id = new_id;
control->priv->default_sink_is_set = TRUE;
g_signal_emit (control,
signals[DEFAULT_SINK_CHANGED],
0,
new_id);
}
}
static gboolean
_stream_has_name (gpointer key,
GvcMixerStream *stream,
const char *name)
{
const char *t_name;
t_name = gvc_mixer_stream_get_name (stream);
if (t_name != NULL
&& name != NULL
&& strcmp (t_name, name) == 0) {
return TRUE;
}
return FALSE;
}
static GvcMixerStream *
find_stream_for_name (GvcMixerControl *control,
const char *name)
{
GvcMixerStream *stream;
stream = g_hash_table_find (control->priv->all_streams,
(GHRFunc)_stream_has_name,
(char *)name);
return stream;
}
static void
update_default_source_from_name (GvcMixerControl *control,
const char *name)
{
gboolean changed = FALSE;
if ((control->priv->default_source_name == NULL
&& name != NULL)
|| (control->priv->default_source_name != NULL
&& name == NULL)
|| (name != NULL && strcmp (control->priv->default_source_name, name) != 0)) {
changed = TRUE;
}
if (changed) {
GvcMixerStream *stream;
g_free (control->priv->default_source_name);
control->priv->default_source_name = g_strdup (name);
stream = find_stream_for_name (control, name);
_set_default_source (control, stream);
}
}
static void
update_default_sink_from_name (GvcMixerControl *control,
const char *name)
{
gboolean changed = FALSE;
if ((control->priv->default_sink_name == NULL
&& name != NULL)
|| (control->priv->default_sink_name != NULL
&& name == NULL)
|| (name != NULL && strcmp (control->priv->default_sink_name, name) != 0)) {
changed = TRUE;
}
if (changed) {
GvcMixerStream *stream;
g_free (control->priv->default_sink_name);
control->priv->default_sink_name = g_strdup (name);
stream = find_stream_for_name (control, name);
_set_default_sink (control, stream);
}
}
static void
update_server (GvcMixerControl *control,
const pa_server_info *info)
{
if (info->default_source_name != NULL) {
update_default_source_from_name (control, info->default_source_name);
}
if (info->default_sink_name != NULL) {
update_default_sink_from_name (control, info->default_sink_name);
}
}
static void
remove_stream (GvcMixerControl *control,
GvcMixerStream *stream)
{
guint id;
g_object_ref (stream);
id = gvc_mixer_stream_get_id (stream);
if (id == control->priv->default_sink_id) {
_set_default_sink (control, NULL);
} else if (id == control->priv->default_source_id) {
_set_default_source (control, NULL);
}
g_hash_table_remove (control->priv->all_streams,
GUINT_TO_POINTER (id));
g_signal_emit (G_OBJECT (control),
signals[STREAM_REMOVED],
0,
gvc_mixer_stream_get_id (stream));
g_object_unref (stream);
}
static void
add_stream (GvcMixerControl *control,
GvcMixerStream *stream)
{
g_hash_table_insert (control->priv->all_streams,
GUINT_TO_POINTER (gvc_mixer_stream_get_id (stream)),
stream);
g_signal_emit (G_OBJECT (control),
signals[STREAM_ADDED],
0,
gvc_mixer_stream_get_id (stream));
}
static void
set_icon_name_from_proplist (GvcMixerStream *stream,
pa_proplist *l,
const char *default_icon_name)
{
const char *t;
if ((t = pa_proplist_gets (l, PA_PROP_DEVICE_ICON_NAME))) {
goto finish;
}
if ((t = pa_proplist_gets (l, PA_PROP_MEDIA_ICON_NAME))) {
goto finish;
}
if ((t = pa_proplist_gets (l, PA_PROP_WINDOW_ICON_NAME))) {
goto finish;
}
if ((t = pa_proplist_gets (l, PA_PROP_APPLICATION_ICON_NAME))) {
goto finish;
}
if ((t = pa_proplist_gets (l, PA_PROP_MEDIA_ROLE))) {
if (strcmp (t, "video") == 0 ||
strcmp (t, "phone") == 0) {
goto finish;
}
if (strcmp (t, "music") == 0) {
t = "audio";
goto finish;
}
if (strcmp (t, "game") == 0) {
t = "applications-games";
goto finish;
}
if (strcmp (t, "event") == 0) {
t = "dialog-information";
goto finish;
}
}
t = default_icon_name;
finish:
gvc_mixer_stream_set_icon_name (stream, t);
}
static void
update_sink (GvcMixerControl *control,
const pa_sink_info *info)
{
GvcMixerStream *stream;
gboolean is_new;
pa_volume_t max_volume;
GvcChannelMap *map;
char map_buff[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_channel_map_snprint (map_buff, PA_CHANNEL_MAP_SNPRINT_MAX, &info->channel_map);
#if 1
g_debug ("Updating sink: index=%u name='%s' description='%s' map='%s'",
info->index,
info->name,
info->description,
map_buff);
#endif
map = NULL;
is_new = FALSE;
stream = g_hash_table_lookup (control->priv->sinks,
GUINT_TO_POINTER (info->index));
if (stream == NULL) {
#if PA_MICRO > 15
GList *list = NULL;
guint i;
#endif /* PA_MICRO > 15 */
map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map);
stream = gvc_mixer_sink_new (control->priv->pa_context,
info->index,
map);
#if PA_MICRO > 15
for (i = 0; i < info->n_ports; i++) {
GvcMixerStreamPort *port;
port = g_new0 (GvcMixerStreamPort, 1);
port->port = g_strdup (info->ports[i]->name);
port->human_port = g_strdup (info->ports[i]->description);
port->priority = info->ports[i]->priority;
list = g_list_prepend (list, port);
}
gvc_mixer_stream_set_ports (stream, list);
#endif /* PA_MICRO > 15 */
g_object_unref (map);
is_new = TRUE;
} else if (gvc_mixer_stream_is_running (stream)) {
/* Ignore events if volume changes are outstanding */
g_debug ("Ignoring event, volume changes are outstanding");
return;
}
max_volume = pa_cvolume_max (&info->volume);
gvc_mixer_stream_set_name (stream, info->name);
gvc_mixer_stream_set_card_index (stream, info->card);
gvc_mixer_stream_set_description (stream, info->description);
set_icon_name_from_proplist (stream, info->proplist, "audio-card");
gvc_mixer_stream_set_volume (stream, (guint)max_volume);
gvc_mixer_stream_set_is_muted (stream, info->mute);
gvc_mixer_stream_set_can_decibel (stream, !!(info->flags & PA_SINK_DECIBEL_VOLUME));
gvc_mixer_stream_set_base_volume (stream, (guint32) info->base_volume);
#if PA_MICRO > 15
if (info->active_port != NULL)
gvc_mixer_stream_set_port (stream, info->active_port->name);
#endif /* PA_MICRO > 15 */
if (is_new) {
g_hash_table_insert (control->priv->sinks,
GUINT_TO_POINTER (info->index),
g_object_ref (stream));
add_stream (control, stream);
}
if (control->priv->default_sink_name != NULL
&& info->name != NULL
&& strcmp (control->priv->default_sink_name, info->name) == 0) {
_set_default_sink (control, stream);
}
if (map == NULL)
map = (GvcChannelMap *) gvc_mixer_stream_get_channel_map (stream);
gvc_channel_map_volume_changed (map, &info->volume, FALSE);
}
static void
update_source (GvcMixerControl *control,
const pa_source_info *info)
{
GvcMixerStream *stream;
gboolean is_new;
pa_volume_t max_volume;
#if 1
g_debug ("Updating source: index=%u name='%s' description='%s'",
info->index,
info->name,
info->description);
#endif
/* completely ignore monitors, they're not real sources */
if (info->monitor_of_sink != PA_INVALID_INDEX) {
return;
}
is_new = FALSE;
stream = g_hash_table_lookup (control->priv->sources,
GUINT_TO_POINTER (info->index));
if (stream == NULL) {
#if PA_MICRO > 15
GList *list = NULL;
guint i;
#endif /* PA_MICRO > 15 */
GvcChannelMap *map;
map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map);
stream = gvc_mixer_source_new (control->priv->pa_context,
info->index,
map);
#if PA_MICRO > 15
for (i = 0; i < info->n_ports; i++) {
GvcMixerStreamPort *port;
port = g_new0 (GvcMixerStreamPort, 1);
port->port = g_strdup (info->ports[i]->name);
port->human_port = g_strdup (info->ports[i]->description);
port->priority = info->ports[i]->priority;
list = g_list_prepend (list, port);
}
gvc_mixer_stream_set_ports (stream, list);
#endif /* PA_MICRO > 15 */
g_object_unref (map);
is_new = TRUE;
} else if (gvc_mixer_stream_is_running (stream)) {
/* Ignore events if volume changes are outstanding */
g_debug ("Ignoring event, volume changes are outstanding");
return;
}
max_volume = pa_cvolume_max (&info->volume);
gvc_mixer_stream_set_name (stream, info->name);
gvc_mixer_stream_set_card_index (stream, info->card);
gvc_mixer_stream_set_description (stream, info->description);
set_icon_name_from_proplist (stream, info->proplist, "audio-input-microphone");
gvc_mixer_stream_set_volume (stream, (guint)max_volume);
gvc_mixer_stream_set_is_muted (stream, info->mute);
gvc_mixer_stream_set_can_decibel (stream, !!(info->flags & PA_SOURCE_DECIBEL_VOLUME));
gvc_mixer_stream_set_base_volume (stream, (guint32) info->base_volume);
#if PA_MICRO > 15
if (info->active_port != NULL)
gvc_mixer_stream_set_port (stream, info->active_port->name);
#endif /* PA_MICRO > 15 */
if (is_new) {
g_hash_table_insert (control->priv->sources,
GUINT_TO_POINTER (info->index),
g_object_ref (stream));
add_stream (control, stream);
}
if (control->priv->default_source_name != NULL
&& info->name != NULL
&& strcmp (control->priv->default_source_name, info->name) == 0) {
_set_default_source (control, stream);
}
}
static void
set_is_event_stream_from_proplist (GvcMixerStream *stream,
pa_proplist *l)
{
const char *t;
gboolean is_event_stream;
is_event_stream = FALSE;
if ((t = pa_proplist_gets (l, PA_PROP_MEDIA_ROLE))) {
if (g_str_equal (t, "event"))
is_event_stream = TRUE;
}
gvc_mixer_stream_set_is_event_stream (stream, is_event_stream);
}
static void
set_application_id_from_proplist (GvcMixerStream *stream,
pa_proplist *l)
{
const char *t;
if ((t = pa_proplist_gets (l, PA_PROP_APPLICATION_ID))) {
gvc_mixer_stream_set_application_id (stream, t);
}
}
static void
update_sink_input (GvcMixerControl *control,
const pa_sink_input_info *info)
{
GvcMixerStream *stream;
gboolean is_new;
pa_volume_t max_volume;
const char *name;
#if 0
g_debug ("Updating sink input: index=%u name='%s' client=%u sink=%u",
info->index,
info->name,
info->client,
info->sink);
#endif
is_new = FALSE;
stream = g_hash_table_lookup (control->priv->sink_inputs,
GUINT_TO_POINTER (info->index));
if (stream == NULL) {
GvcChannelMap *map;
map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map);
stream = gvc_mixer_sink_input_new (control->priv->pa_context,
info->index,
map);
g_object_unref (map);
is_new = TRUE;
} else if (gvc_mixer_stream_is_running (stream)) {
/* Ignore events if volume changes are outstanding */
g_debug ("Ignoring event, volume changes are outstanding");
return;
}
max_volume = pa_cvolume_max (&info->volume);
name = (const char *)g_hash_table_lookup (control->priv->clients,
GUINT_TO_POINTER (info->client));
gvc_mixer_stream_set_name (stream, name);
gvc_mixer_stream_set_description (stream, info->name);
set_application_id_from_proplist (stream, info->proplist);
set_is_event_stream_from_proplist (stream, info->proplist);
set_icon_name_from_proplist (stream, info->proplist, "applications-multimedia");
gvc_mixer_stream_set_volume (stream, (guint)max_volume);
gvc_mixer_stream_set_is_muted (stream, info->mute);
gvc_mixer_stream_set_is_virtual (stream, info->client == PA_INVALID_INDEX);
if (is_new) {
g_hash_table_insert (control->priv->sink_inputs,
GUINT_TO_POINTER (info->index),
g_object_ref (stream));
add_stream (control, stream);
}
}
static void
update_source_output (GvcMixerControl *control,
const pa_source_output_info *info)
{
GvcMixerStream *stream;
gboolean is_new;
const char *name;
#if 1
g_debug ("Updating source output: index=%u name='%s' client=%u source=%u",
info->index,
info->name,
info->client,
info->source);
#endif
is_new = FALSE;
stream = g_hash_table_lookup (control->priv->source_outputs,
GUINT_TO_POINTER (info->index));
if (stream == NULL) {
GvcChannelMap *map;
map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map);
stream = gvc_mixer_source_output_new (control->priv->pa_context,
info->index,
map);
g_object_unref (map);
is_new = TRUE;
}
name = (const char *)g_hash_table_lookup (control->priv->clients,
GUINT_TO_POINTER (info->client));
gvc_mixer_stream_set_name (stream, name);
gvc_mixer_stream_set_description (stream, info->name);
set_application_id_from_proplist (stream, info->proplist);
set_is_event_stream_from_proplist (stream, info->proplist);
set_icon_name_from_proplist (stream, info->proplist, "audio-input-microphone");
if (is_new) {
g_hash_table_insert (control->priv->source_outputs,
GUINT_TO_POINTER (info->index),
g_object_ref (stream));
add_stream (control, stream);
}
}
static void
update_client (GvcMixerControl *control,
const pa_client_info *info)
{
#if 1
g_debug ("Updating client: index=%u name='%s'",
info->index,
info->name);
#endif
g_hash_table_insert (control->priv->clients,
GUINT_TO_POINTER (info->index),
g_strdup (info->name));
}
static char *
card_num_streams_to_status (guint sinks,
guint sources)
{
char *sinks_str;
char *sources_str;
char *ret;
if (sinks == 0 && sources == 0) {
/* translators:
* The device has been disabled */
return g_strdup (_("Disabled"));
}
if (sinks == 0) {
sinks_str = NULL;
} else {
/* translators:
* The number of sound outputs on a particular device */
sinks_str = g_strdup_printf (ngettext ("%u Output",
"%u Outputs",
sinks),
sinks);
}
if (sources == 0) {
sources_str = NULL;
} else {
/* translators:
* The number of sound inputs on a particular device */
sources_str = g_strdup_printf (ngettext ("%u Input",
"%u Inputs",
sources),
sources);
}
if (sources_str == NULL)
return sinks_str;
if (sinks_str == NULL)
return sources_str;
ret = g_strdup_printf ("%s / %s", sinks_str, sources_str);
g_free (sinks_str);
g_free (sources_str);
return ret;
}
static void
update_card (GvcMixerControl *control,
const pa_card_info *info)
{
GvcMixerCard *card;
gboolean is_new = FALSE;
#if 1
guint i;
const char *key;
void *state;
g_debug ("Udpating card %s (index: %u driver: %s):",
info->name, info->index, info->driver);
for (i = 0; i < info->n_profiles; i++) {
struct pa_card_profile_info pi = info->profiles[i];
gboolean is_default;
is_default = (g_strcmp0 (pi.name, info->active_profile->name) == 0);
g_debug ("\tProfile '%s': %d sources %d sinks%s",
pi.name, pi.n_sources, pi.n_sinks,
is_default ? " (Current)" : "");
}
state = NULL;
key = pa_proplist_iterate (info->proplist, &state);
while (key != NULL) {
g_debug ("\tProperty: '%s' = '%s'",
key, pa_proplist_gets (info->proplist, key));
key = pa_proplist_iterate (info->proplist, &state);
}
#endif
card = g_hash_table_lookup (control->priv->cards,
GUINT_TO_POINTER (info->index));
if (card == NULL) {
GList *list = NULL;
for (i = 0; i < info->n_profiles; i++) {
struct pa_card_profile_info pi = info->profiles[i];
GvcMixerCardProfile *profile;
profile = g_new0 (GvcMixerCardProfile, 1);
profile->profile = g_strdup (pi.name);
profile->human_profile = g_strdup (pi.description);
profile->status = card_num_streams_to_status (pi.n_sinks, pi.n_sources);
profile->n_sinks = pi.n_sinks;
profile->n_sources = pi.n_sources;
profile->priority = pi.priority;
list = g_list_prepend (list, profile);
}
card = gvc_mixer_card_new (control->priv->pa_context,
info->index);
gvc_mixer_card_set_profiles (card, list);
is_new = TRUE;
}
gvc_mixer_card_set_name (card, pa_proplist_gets (info->proplist, "device.description"));
gvc_mixer_card_set_icon_name (card, pa_proplist_gets (info->proplist, "device.icon_name"));
gvc_mixer_card_set_profile (card, info->active_profile->name);
if (is_new) {
g_hash_table_insert (control->priv->cards,
GUINT_TO_POINTER (info->index),
g_object_ref (card));
}
g_signal_emit (G_OBJECT (control),
signals[CARD_ADDED],
0,
info->index);
}
static void
_pa_context_get_sink_info_cb (pa_context *context,
const pa_sink_info *i,
int eol,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (eol < 0) {
if (pa_context_errno (context) == PA_ERR_NOENTITY) {
return;
}
g_warning ("Sink callback failure");
return;
}
if (eol > 0) {
dec_outstanding (control);
return;
}
update_sink (control, i);
}
static void
_pa_context_get_source_info_cb (pa_context *context,
const pa_source_info *i,
int eol,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (eol < 0) {
if (pa_context_errno (context) == PA_ERR_NOENTITY) {
return;
}
g_warning ("Source callback failure");
return;
}
if (eol > 0) {
dec_outstanding (control);
return;
}
update_source (control, i);
}
static void
_pa_context_get_sink_input_info_cb (pa_context *context,
const pa_sink_input_info *i,
int eol,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (eol < 0) {
if (pa_context_errno (context) == PA_ERR_NOENTITY) {
return;
}
g_warning ("Sink input callback failure");
return;
}
if (eol > 0) {
dec_outstanding (control);
return;
}
update_sink_input (control, i);
}
static void
_pa_context_get_source_output_info_cb (pa_context *context,
const pa_source_output_info *i,
int eol,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (eol < 0) {
if (pa_context_errno (context) == PA_ERR_NOENTITY) {
return;
}
g_warning ("Source output callback failure");
return;
}
if (eol > 0) {
dec_outstanding (control);
return;
}
update_source_output (control, i);
}
static void
_pa_context_get_client_info_cb (pa_context *context,
const pa_client_info *i,
int eol,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (eol < 0) {
if (pa_context_errno (context) == PA_ERR_NOENTITY) {
return;
}
g_warning ("Client callback failure");
return;
}
if (eol > 0) {
dec_outstanding (control);
return;
}
update_client (control, i);
}
static void
_pa_context_get_card_info_by_index_cb (pa_context *context,
const pa_card_info *i,
int eol,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (eol < 0) {
if (pa_context_errno (context) == PA_ERR_NOENTITY)
return;
g_warning ("Card callback failure");
return;
}
if (eol > 0) {
dec_outstanding (control);
return;
}
update_card (control, i);
}
static void
_pa_context_get_server_info_cb (pa_context *context,
const pa_server_info *i,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (i == NULL) {
g_warning ("Server info callback failure");
return;
}
update_server (control, i);
dec_outstanding (control);
}
static void
remove_event_role_stream (GvcMixerControl *control)
{
g_debug ("Removing event role");
}
static void
update_event_role_stream (GvcMixerControl *control,
const pa_ext_stream_restore_info *info)
{
GvcMixerStream *stream;
gboolean is_new;
pa_volume_t max_volume;
if (strcmp (info->name, "sink-input-by-media-role:event") != 0) {
return;
}
#if 0
g_debug ("Updating event role: name='%s' device='%s'",
info->name,
info->device);
#endif
is_new = FALSE;
if (!control->priv->event_sink_input_is_set) {
pa_channel_map pa_map;
GvcChannelMap *map;
pa_map.channels = 1;
pa_map.map[0] = PA_CHANNEL_POSITION_MONO;
map = gvc_channel_map_new_from_pa_channel_map (&pa_map);
stream = gvc_mixer_event_role_new (control->priv->pa_context,
info->device,
map);
control->priv->event_sink_input_id = gvc_mixer_stream_get_id (stream);
control->priv->event_sink_input_is_set = TRUE;
is_new = TRUE;
} else {
stream = g_hash_table_lookup (control->priv->all_streams,
GUINT_TO_POINTER (control->priv->event_sink_input_id));
}
max_volume = pa_cvolume_max (&info->volume);
gvc_mixer_stream_set_name (stream, _("System Sounds"));
gvc_mixer_stream_set_icon_name (stream, "multimedia-volume-control");
gvc_mixer_stream_set_volume (stream, (guint)max_volume);
gvc_mixer_stream_set_is_muted (stream, info->mute);
if (is_new) {
add_stream (control, stream);
}
}
static void
_pa_ext_stream_restore_read_cb (pa_context *context,
const pa_ext_stream_restore_info *i,
int eol,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
if (eol < 0) {
g_debug ("Failed to initialized stream_restore extension: %s",
pa_strerror (pa_context_errno (context)));
remove_event_role_stream (control);
return;
}
if (eol > 0) {
dec_outstanding (control);
/* If we don't have an event stream to restore, then
* set one up with a default 100% volume */
if (!control->priv->event_sink_input_is_set) {
pa_ext_stream_restore_info info;
memset (&info, 0, sizeof(info));
info.name = "sink-input-by-media-role:event";
info.volume.channels = 1;
info.volume.values[0] = PA_VOLUME_NORM;
update_event_role_stream (control, &info);
}
return;
}
update_event_role_stream (control, i);
}
static void
_pa_ext_stream_restore_subscribe_cb (pa_context *context,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
pa_operation *o;
o = pa_ext_stream_restore_read (context,
_pa_ext_stream_restore_read_cb,
control);
if (o == NULL) {
g_warning ("pa_ext_stream_restore_read() failed");
return;
}
pa_operation_unref (o);
}
static void
req_update_server_info (GvcMixerControl *control,
int index)
{
pa_operation *o;
o = pa_context_get_server_info (control->priv->pa_context,
_pa_context_get_server_info_cb,
control);
if (o == NULL) {
g_warning ("pa_context_get_server_info() failed");
return;
}
pa_operation_unref (o);
}
static void
req_update_client_info (GvcMixerControl *control,
int index)
{
pa_operation *o;
if (index < 0) {
o = pa_context_get_client_info_list (control->priv->pa_context,
_pa_context_get_client_info_cb,
control);
} else {
o = pa_context_get_client_info (control->priv->pa_context,
index,
_pa_context_get_client_info_cb,
control);
}
if (o == NULL) {
g_warning ("pa_context_client_info_list() failed");
return;
}
pa_operation_unref (o);
}
static void
req_update_card (GvcMixerControl *control,
int index)
{
pa_operation *o;
if (index < 0) {
o = pa_context_get_card_info_list (control->priv->pa_context,
_pa_context_get_card_info_by_index_cb,
control);
} else {
o = pa_context_get_card_info_by_index (control->priv->pa_context,
index,
_pa_context_get_card_info_by_index_cb,
control);
}
if (o == NULL) {
g_warning ("pa_context_get_card_info_by_index() failed");
return;
}
pa_operation_unref (o);
}
static void
req_update_sink_info (GvcMixerControl *control,
int index)
{
pa_operation *o;
if (index < 0) {
o = pa_context_get_sink_info_list (control->priv->pa_context,
_pa_context_get_sink_info_cb,
control);
} else {
o = pa_context_get_sink_info_by_index (control->priv->pa_context,
index,
_pa_context_get_sink_info_cb,
control);
}
if (o == NULL) {
g_warning ("pa_context_get_sink_info_list() failed");
return;
}
pa_operation_unref (o);
}
static void
req_update_source_info (GvcMixerControl *control,
int index)
{
pa_operation *o;
if (index < 0) {
o = pa_context_get_source_info_list (control->priv->pa_context,
_pa_context_get_source_info_cb,
control);
} else {
o = pa_context_get_source_info_by_index(control->priv->pa_context,
index,
_pa_context_get_source_info_cb,
control);
}
if (o == NULL) {
g_warning ("pa_context_get_source_info_list() failed");
return;
}
pa_operation_unref (o);
}
static void
req_update_sink_input_info (GvcMixerControl *control,
int index)
{
pa_operation *o;
if (index < 0) {
o = pa_context_get_sink_input_info_list (control->priv->pa_context,
_pa_context_get_sink_input_info_cb,
control);
} else {
o = pa_context_get_sink_input_info (control->priv->pa_context,
index,
_pa_context_get_sink_input_info_cb,
control);
}
if (o == NULL) {
g_warning ("pa_context_get_sink_input_info_list() failed");
return;
}
pa_operation_unref (o);
}
static void
req_update_source_output_info (GvcMixerControl *control,
int index)
{
pa_operation *o;
if (index < 0) {
o = pa_context_get_source_output_info_list (control->priv->pa_context,
_pa_context_get_source_output_info_cb,
control);
} else {
o = pa_context_get_source_output_info (control->priv->pa_context,
index,
_pa_context_get_source_output_info_cb,
control);
}
if (o == NULL) {
g_warning ("pa_context_get_source_output_info_list() failed");
return;
}
pa_operation_unref (o);
}
static void
remove_client (GvcMixerControl *control,
guint index)
{
g_hash_table_remove (control->priv->clients,
GUINT_TO_POINTER (index));
}
static void
remove_card (GvcMixerControl *control,
guint index)
{
g_hash_table_remove (control->priv->cards,
GUINT_TO_POINTER (index));
g_signal_emit (G_OBJECT (control),
signals[CARD_REMOVED],
0,
index);
}
static void
remove_sink (GvcMixerControl *control,
guint index)
{
GvcMixerStream *stream;
#if 0
g_debug ("Removing sink: index=%u", index);
#endif
stream = g_hash_table_lookup (control->priv->sinks,
GUINT_TO_POINTER (index));
if (stream == NULL) {
return;
}
g_hash_table_remove (control->priv->sinks,
GUINT_TO_POINTER (index));
remove_stream (control, stream);
}
static void
remove_source (GvcMixerControl *control,
guint index)
{
GvcMixerStream *stream;
#if 0
g_debug ("Removing source: index=%u", index);
#endif
stream = g_hash_table_lookup (control->priv->sources,
GUINT_TO_POINTER (index));
if (stream == NULL) {
return;
}
g_hash_table_remove (control->priv->sources,
GUINT_TO_POINTER (index));
remove_stream (control, stream);
}
static void
remove_sink_input (GvcMixerControl *control,
guint index)
{
GvcMixerStream *stream;
#if 0
g_debug ("Removing sink input: index=%u", index);
#endif
stream = g_hash_table_lookup (control->priv->sink_inputs,
GUINT_TO_POINTER (index));
if (stream == NULL) {
return;
}
g_hash_table_remove (control->priv->sink_inputs,
GUINT_TO_POINTER (index));
remove_stream (control, stream);
}
static void
remove_source_output (GvcMixerControl *control,
guint index)
{
GvcMixerStream *stream;
#if 0
g_debug ("Removing source output: index=%u", index);
#endif
stream = g_hash_table_lookup (control->priv->source_outputs,
GUINT_TO_POINTER (index));
if (stream == NULL) {
return;
}
g_hash_table_remove (control->priv->source_outputs,
GUINT_TO_POINTER (index));
remove_stream (control, stream);
}
static void
_pa_context_subscribe_cb (pa_context *context,
pa_subscription_event_type_t t,
uint32_t index,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
case PA_SUBSCRIPTION_EVENT_SINK:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
remove_sink (control, index);
} else {
req_update_sink_info (control, index);
}
break;
case PA_SUBSCRIPTION_EVENT_SOURCE:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
remove_source (control, index);
} else {
req_update_source_info (control, index);
}
break;
case PA_SUBSCRIPTION_EVENT_SINK_INPUT:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
remove_sink_input (control, index);
} else {
req_update_sink_input_info (control, index);
}
break;
case PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
remove_source_output (control, index);
} else {
req_update_source_output_info (control, index);
}
break;
case PA_SUBSCRIPTION_EVENT_CLIENT:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
remove_client (control, index);
} else {
req_update_client_info (control, index);
}
break;
case PA_SUBSCRIPTION_EVENT_SERVER:
req_update_server_info (control, index);
break;
case PA_SUBSCRIPTION_EVENT_CARD:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) {
remove_card (control, index);
} else {
req_update_card (control, index);
}
break;
}
}
static void
gvc_mixer_control_ready (GvcMixerControl *control)
{
pa_operation *o;
pa_context_set_subscribe_callback (control->priv->pa_context,
_pa_context_subscribe_cb,
control);
o = pa_context_subscribe (control->priv->pa_context,
(pa_subscription_mask_t)
(PA_SUBSCRIPTION_MASK_SINK|
PA_SUBSCRIPTION_MASK_SOURCE|
PA_SUBSCRIPTION_MASK_SINK_INPUT|
PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT|
PA_SUBSCRIPTION_MASK_CLIENT|
PA_SUBSCRIPTION_MASK_SERVER|
PA_SUBSCRIPTION_MASK_CARD),
NULL,
NULL);
if (o == NULL) {
g_warning ("pa_context_subscribe() failed");
return;
}
pa_operation_unref (o);
req_update_server_info (control, -1);
req_update_client_info (control, -1);
req_update_sink_info (control, -1);
req_update_source_info (control, -1);
req_update_sink_input_info (control, -1);
req_update_source_output_info (control, -1);
req_update_card (control, -1);
control->priv->n_outstanding = 6;
/* This call is not always supported */
o = pa_ext_stream_restore_read (control->priv->pa_context,
_pa_ext_stream_restore_read_cb,
control);
if (o != NULL) {
pa_operation_unref (o);
control->priv->n_outstanding++;
pa_ext_stream_restore_set_subscribe_cb (control->priv->pa_context,
_pa_ext_stream_restore_subscribe_cb,
control);
o = pa_ext_stream_restore_subscribe (control->priv->pa_context,
1,
NULL,
NULL);
if (o != NULL) {
pa_operation_unref (o);
}
} else {
g_debug ("Failed to initialized stream_restore extension: %s",
pa_strerror (pa_context_errno (control->priv->pa_context)));
}
}
static void
gvc_mixer_new_pa_context (GvcMixerControl *self)
{
pa_proplist *proplist;
g_return_if_fail (self);
g_return_if_fail (!self->priv->pa_context);
proplist = pa_proplist_new ();
pa_proplist_sets (proplist,
PA_PROP_APPLICATION_NAME,
self->priv->name);
pa_proplist_sets (proplist,
PA_PROP_APPLICATION_ID,
"org.gnome.VolumeControl");
pa_proplist_sets (proplist,
PA_PROP_APPLICATION_ICON_NAME,
"multimedia-volume-control");
pa_proplist_sets (proplist,
PA_PROP_APPLICATION_VERSION,
PACKAGE_VERSION);
self->priv->pa_context = pa_context_new_with_proplist (self->priv->pa_api, NULL, proplist);
pa_proplist_free (proplist);
g_assert (self->priv->pa_context);
}
static void
remove_all_streams (GvcMixerControl *control, GHashTable *hash_table)
{
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init (&iter, hash_table);
while (g_hash_table_iter_next (&iter, &key, &value)) {
remove_stream (control, value);
g_hash_table_iter_remove (&iter);
}
}
static gboolean
idle_reconnect (gpointer data)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (data);
GHashTableIter iter;
gpointer key, value;
g_return_val_if_fail (control, FALSE);
if (control->priv->pa_context) {
pa_context_unref (control->priv->pa_context);
control->priv->pa_context = NULL;
gvc_mixer_new_pa_context (control);
}
remove_all_streams (control, control->priv->sinks);
remove_all_streams (control, control->priv->sources);
remove_all_streams (control, control->priv->sink_inputs);
remove_all_streams (control, control->priv->source_outputs);
g_hash_table_iter_init (&iter, control->priv->clients);
while (g_hash_table_iter_next (&iter, &key, &value))
g_hash_table_iter_remove (&iter);
gvc_mixer_control_open (control); /* cannot fail */
control->priv->reconnect_id = 0;
return FALSE;
}
static void
_pa_context_state_cb (pa_context *context,
void *userdata)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (userdata);
switch (pa_context_get_state (context)) {
case PA_CONTEXT_UNCONNECTED:
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
break;
case PA_CONTEXT_READY:
gvc_mixer_control_ready (control);
break;
case PA_CONTEXT_FAILED:
control->priv->state = GVC_STATE_FAILED;
g_signal_emit (control, signals[STATE_CHANGED], 0, GVC_STATE_FAILED);
if (control->priv->reconnect_id == 0)
control->priv->reconnect_id = g_timeout_add_seconds (RECONNECT_DELAY, idle_reconnect, control);
break;
case PA_CONTEXT_TERMINATED:
default:
/* FIXME: */
break;
}
}
gboolean
gvc_mixer_control_open (GvcMixerControl *control)
{
int res;
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE);
g_return_val_if_fail (control->priv->pa_context != NULL, FALSE);
g_return_val_if_fail (pa_context_get_state (control->priv->pa_context) == PA_CONTEXT_UNCONNECTED, FALSE);
pa_context_set_state_callback (control->priv->pa_context,
_pa_context_state_cb,
control);
control->priv->state = GVC_STATE_CONNECTING;
g_signal_emit (G_OBJECT (control), signals[STATE_CHANGED], 0, GVC_STATE_CONNECTING);
res = pa_context_connect (control->priv->pa_context, NULL, (pa_context_flags_t) PA_CONTEXT_NOFAIL, NULL);
if (res < 0) {
g_warning ("Failed to connect context: %s",
pa_strerror (pa_context_errno (control->priv->pa_context)));
}
return res;
}
gboolean
gvc_mixer_control_close (GvcMixerControl *control)
{
g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE);
g_return_val_if_fail (control->priv->pa_context != NULL, FALSE);
pa_context_disconnect (control->priv->pa_context);
control->priv->state = GVC_STATE_CLOSED;
g_signal_emit (G_OBJECT (control), signals[STATE_CHANGED], 0, GVC_STATE_CLOSED);
return TRUE;
}
static void
gvc_mixer_control_dispose (GObject *object)
{
GvcMixerControl *control = GVC_MIXER_CONTROL (object);
if (control->priv->reconnect_id != 0) {
g_source_remove (control->priv->reconnect_id);
control->priv->reconnect_id = 0;
}
if (control->priv->pa_context != NULL) {
pa_context_unref (control->priv->pa_context);
control->priv->pa_context = NULL;
}
if (control->priv->default_source_name != NULL) {
g_free (control->priv->default_source_name);
control->priv->default_source_name = NULL;
}
if (control->priv->default_sink_name != NULL) {
g_free (control->priv->default_sink_name);
control->priv->default_sink_name = NULL;
}
if (control->priv->pa_mainloop != NULL) {
pa_glib_mainloop_free (control->priv->pa_mainloop);
control->priv->pa_mainloop = NULL;
}
if (control->priv->all_streams != NULL) {
g_hash_table_destroy (control->priv->all_streams);
control->priv->all_streams = NULL;
}
if (control->priv->sinks != NULL) {
g_hash_table_destroy (control->priv->sinks);
control->priv->sinks = NULL;
}
if (control->priv->sources != NULL) {
g_hash_table_destroy (control->priv->sources);
control->priv->sources = NULL;
}
if (control->priv->sink_inputs != NULL) {
g_hash_table_destroy (control->priv->sink_inputs);
control->priv->sink_inputs = NULL;
}
if (control->priv->source_outputs != NULL) {
g_hash_table_destroy (control->priv->source_outputs);
control->priv->source_outputs = NULL;
}
if (control->priv->clients != NULL) {
g_hash_table_destroy (control->priv->clients);
control->priv->clients = NULL;
}
if (control->priv->cards != NULL) {
g_hash_table_destroy (control->priv->cards);
control->priv->cards = NULL;
}
G_OBJECT_CLASS (gvc_mixer_control_parent_class)->dispose (object);
}
static void
gvc_mixer_control_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GvcMixerControl *self = GVC_MIXER_CONTROL (object);
switch (prop_id) {
case PROP_NAME:
g_free (self->priv->name);
self->priv->name = g_value_dup_string (value);
g_object_notify (G_OBJECT (self), "name");
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gvc_mixer_control_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GvcMixerControl *self = GVC_MIXER_CONTROL (object);
switch (prop_id) {
case PROP_NAME:
g_value_set_string (value, self->priv->name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GObject *
gvc_mixer_control_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params)
{
GObject *object;
GvcMixerControl *self;
object = G_OBJECT_CLASS (gvc_mixer_control_parent_class)->constructor (type, n_construct_properties, construct_params);
self = GVC_MIXER_CONTROL (object);
gvc_mixer_new_pa_context (self);
return object;
}
static void
gvc_mixer_control_class_init (GvcMixerControlClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructor = gvc_mixer_control_constructor;
object_class->dispose = gvc_mixer_control_dispose;
object_class->finalize = gvc_mixer_control_finalize;
object_class->set_property = gvc_mixer_control_set_property;
object_class->get_property = gvc_mixer_control_get_property;
g_object_class_install_property (object_class,
PROP_NAME,
g_param_spec_string ("name",
"Name",
"Name to display for this mixer control",
NULL,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
signals [STATE_CHANGED] =
g_signal_new ("state-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GvcMixerControlClass, state_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
signals [STREAM_ADDED] =
g_signal_new ("stream-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GvcMixerControlClass, stream_added),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
signals [STREAM_REMOVED] =
g_signal_new ("stream-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GvcMixerControlClass, stream_removed),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
signals [CARD_ADDED] =
g_signal_new ("card-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GvcMixerControlClass, card_added),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
signals [CARD_REMOVED] =
g_signal_new ("card-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GvcMixerControlClass, card_removed),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
signals [DEFAULT_SINK_CHANGED] =
g_signal_new ("default-sink-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GvcMixerControlClass, default_sink_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
signals [DEFAULT_SOURCE_CHANGED] =
g_signal_new ("default-source-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GvcMixerControlClass, default_source_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
g_type_class_add_private (klass, sizeof (GvcMixerControlPrivate));
}
static void
gvc_mixer_control_init (GvcMixerControl *control)
{
control->priv = GVC_MIXER_CONTROL_GET_PRIVATE (control);
control->priv->pa_mainloop = pa_glib_mainloop_new (g_main_context_default ());
g_assert (control->priv->pa_mainloop);
control->priv->pa_api = pa_glib_mainloop_get_api (control->priv->pa_mainloop);
g_assert (control->priv->pa_api);
control->priv->all_streams = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref);
control->priv->sinks = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref);
control->priv->sources = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref);
control->priv->sink_inputs = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref);
control->priv->source_outputs = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref);
control->priv->cards = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref);
control->priv->clients = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_free);
control->priv->state = GVC_STATE_CLOSED;
}
static void
gvc_mixer_control_finalize (GObject *object)
{
GvcMixerControl *mixer_control;
g_return_if_fail (object != NULL);
g_return_if_fail (GVC_IS_MIXER_CONTROL (object));
mixer_control = GVC_MIXER_CONTROL (object);
g_free (mixer_control->priv->name);
mixer_control->priv->name = NULL;
g_return_if_fail (mixer_control->priv != NULL);
G_OBJECT_CLASS (gvc_mixer_control_parent_class)->finalize (object);
}
GvcMixerControl *
gvc_mixer_control_new (const char *name)
{
GObject *control;
control = g_object_new (GVC_TYPE_MIXER_CONTROL,
"name", name,
NULL);
return GVC_MIXER_CONTROL (control);
}
/* FIXME: Remove when PA 0.9.23 is used */
#ifndef PA_VOLUME_UI_MAX
#define PA_VOLUME_UI_MAX pa_sw_volume_from_dB(+11.0)
#endif
gdouble
gvc_mixer_control_get_vol_max_norm (GvcMixerControl *control)
{
return (gdouble) PA_VOLUME_NORM;
}
gdouble
gvc_mixer_control_get_vol_max_amplified (GvcMixerControl *control)
{
return (gdouble) PA_VOLUME_UI_MAX;
}
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