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authorJonny Lamb <jonny.lamb@collabora.co.uk>2011-08-17 22:55:32 +0800
committerJonny Lamb <jonny.lamb@collabora.co.uk>2011-08-18 22:59:11 +0800
commitcd40005a5e9608fa8e1295b8606788af38100dba (patch)
tree082c70811946d78b2b80fe2bfe7066376557b782 /src
parent956bfcb33c33452f4ce958ae0a7112efb5ccf4a9 (diff)
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mic-monitor: move the PA-specific stuff from audio-src to here
Sorry for another big commit. Signed-off-by: Jonny Lamb <jonny.lamb@collabora.co.uk>
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am6
-rw-r--r--src/empathy-audio-src.c396
-rw-r--r--src/empathy-audio-src.h13
-rw-r--r--src/empathy-mic-menu.c27
-rw-r--r--src/empathy-mic-monitor.c566
-rw-r--r--src/empathy-mic-monitor.h80
6 files changed, 724 insertions, 364 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 0232ffe0a..1f80fe9a3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -123,6 +123,8 @@ empathy_av_SOURCES = \
empathy-video-widget.h \
ev-sidebar.c \
ev-sidebar.h \
+ empathy-mic-monitor.c \
+ empathy-mic-monitor.h
$(NULL)
nodist_empathy_av_SOURCES = $(BUILT_SOURCES)
@@ -176,7 +178,9 @@ empathy_call_SOURCES = \
empathy-mic-menu.c \
empathy-mic-menu.h \
empathy-rounded-actor.c \
- empathy-rounded-actor.h
+ empathy-rounded-actor.h \
+ empathy-mic-monitor.c \
+ empathy-mic-monitor.h
nodist_empathy_call_SOURCES = $(BUILT_SOURCES)
diff --git a/src/empathy-audio-src.c b/src/empathy-audio-src.c
index 8f7a0599f..0b19b868a 100644
--- a/src/empathy-audio-src.c
+++ b/src/empathy-audio-src.c
@@ -22,15 +22,13 @@
#include <stdio.h>
#include <stdlib.h>
-#include <pulse/pulseaudio.h>
-#include <pulse/glib-mainloop.h>
-
#include <libempathy/empathy-utils.h>
#include <libempathy-gtk/empathy-call-utils.h>
#include "empathy-audio-src.h"
#include "src-marshal.h"
+#include "empathy-mic-monitor.h"
#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
#include <libempathy/empathy-debug.h>
@@ -42,8 +40,6 @@ enum
{
PEAK_LEVEL_CHANGED,
RMS_LEVEL_CHANGED,
- MICROPHONE_ADDED,
- MICROPHONE_REMOVED,
LAST_SIGNAL
};
@@ -66,9 +62,7 @@ struct _EmpathyGstAudioSrcPrivate
GstElement *volume;
GstElement *level;
- pa_glib_mainloop *loop;
- pa_context *context;
- GQueue *operations;
+ EmpathyMicMonitor *mic_monitor;
/* 0 if not known yet */
guint source_output_idx;
@@ -98,261 +92,54 @@ empathy_audio_src_supports_changing_mic (EmpathyGstAudioSrc *self)
"source-output-index") != NULL);
}
-typedef void (*OperationFunc) (EmpathyGstAudioSrc *, GSimpleAsyncResult *);
-
-typedef struct
-{
- OperationFunc func;
- GSimpleAsyncResult *result;
-} Operation;
-
-static Operation *
-operation_new (OperationFunc func,
- GSimpleAsyncResult *result)
-{
- Operation *o = g_slice_new0 (Operation);
-
- o->func = func;
- o->result = result;
-
- return o;
-}
-
-static void
-operation_free (Operation *o,
- gboolean cancelled)
-{
- if (cancelled)
- {
- g_simple_async_result_set_error (o->result,
- G_IO_ERROR, G_IO_ERROR_CANCELLED,
- "The audio source was disposed");
- g_simple_async_result_complete (o->result);
- g_object_unref (o->result);
- }
-
- g_slice_free (Operation, o);
-}
-
static void
-operation_get_microphones_free (gpointer data)
-{
- GQueue *queue = data;
- GList *l;
-
- for (l = queue->head; l != NULL; l = l->next)
- {
- EmpathyAudioSrcMicrophone *mic = l->data;
-
- g_free (mic->name);
- g_free (mic->description);
- g_slice_free (EmpathyAudioSrcMicrophone, mic);
- }
-
- g_queue_free (queue);
-}
-
-static void
-operation_get_microphones_cb (pa_context *context,
- const pa_source_info *info,
- int eol,
- void *userdata)
-{
- GSimpleAsyncResult *result = userdata;
- EmpathyAudioSrcMicrophone *mic;
- GQueue *queue;
-
- if (eol)
- {
- g_simple_async_result_complete (result);
- g_object_unref (result);
- return;
- }
-
- mic = g_slice_new0 (EmpathyAudioSrcMicrophone);
- mic->index = info->index;
- mic->name = g_strdup (info->name);
- mic->description = g_strdup (info->description);
- mic->is_monitor = (info->monitor_of_sink != PA_INVALID_INDEX);
-
- /* add it to the queue */
- queue = g_simple_async_result_get_op_res_gpointer (result);
- g_queue_push_tail (queue, mic);
-}
-
-static void
-operation_get_microphones (EmpathyGstAudioSrc *self,
- GSimpleAsyncResult *result)
-{
- EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
-
- g_assert_cmpuint (pa_context_get_state (priv->context), ==, PA_CONTEXT_READY);
-
- g_simple_async_result_set_op_res_gpointer (result, g_queue_new (),
- operation_get_microphones_free);
-
- pa_context_get_source_info_list (priv->context,
- operation_get_microphones_cb, result);
-}
-
-static void
-operation_change_microphone_cb (pa_context *context,
- int success,
- void *userdata)
-{
- GSimpleAsyncResult *result = userdata;
-
- if (!success)
- {
- g_simple_async_result_set_error (result, G_IO_ERROR, G_IO_ERROR_FAILED,
- "Failed to change microphone. Reason unknown.");
- }
-
- g_simple_async_result_complete (result);
- g_object_unref (result);
-}
-
-static void
-operation_change_microphone (EmpathyGstAudioSrc *self,
- GSimpleAsyncResult *result)
-{
- EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
- guint source_output_idx, microphone;
-
- g_object_get (priv->src, "source-output-index", &source_output_idx, NULL);
-
- g_assert_cmpuint (pa_context_get_state (priv->context), ==, PA_CONTEXT_READY);
- g_assert_cmpuint (source_output_idx, !=, PA_INVALID_INDEX);
-
- microphone = GPOINTER_TO_UINT (
- g_simple_async_result_get_op_res_gpointer (result));
-
- pa_context_move_source_output_by_index (priv->context, source_output_idx, microphone,
- operation_change_microphone_cb, result);
-}
-
-static void
-operations_run (EmpathyGstAudioSrc *self)
+empathy_audio_src_microphone_changed_cb (EmpathyMicMonitor *monitor,
+ guint source_output_idx,
+ guint source_idx,
+ gpointer user_data)
{
+ EmpathyGstAudioSrc *self = user_data;
EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
- pa_context_state_t state = pa_context_get_state (priv->context);
- GList *l;
-
- if (state != PA_CONTEXT_READY)
- return;
-
- for (l = priv->operations->head; l != NULL; l = l->next)
- {
- Operation *o = l->data;
+ guint audio_src_idx = PA_INVALID_INDEX;
- o->func (self, o->result);
-
- operation_free (o, FALSE);
- }
+ g_object_get (priv->src, "source-output-index", &audio_src_idx, NULL);
- g_queue_clear (priv->operations);
-}
-
-static void
-empathy_audio_src_source_output_info_cb (pa_context *context,
- const pa_source_output_info *info,
- int eol,
- void *userdata)
-{
- EmpathyGstAudioSrc *self = userdata;
- EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
-
- if (eol)
+ if (source_output_idx == PA_INVALID_INDEX
+ || source_output_idx != audio_src_idx)
return;
- /* There should only be one call here. */
-
- if (priv->source_idx == info->source)
+ if (priv->source_idx == source_idx)
return;
- priv->source_idx = info->source;
+ priv->source_idx = source_idx;
g_object_notify (G_OBJECT (self), "microphone");
}
static void
-empathy_audio_src_source_info_cb (pa_context *context,
- const pa_source_info *info,
- int eol,
- void *userdata)
-{
- EmpathyGstAudioSrc *self = userdata;
- gboolean is_monitor;
-
- if (eol)
- return;
-
- is_monitor = (info->monitor_of_sink != PA_INVALID_INDEX);
-
- g_signal_emit (self, signals[MICROPHONE_ADDED], 0,
- info->index, info->name, info->description, is_monitor);
-}
-
-static void
-empathy_audio_src_pa_event_cb (pa_context *context,
- pa_subscription_event_type_t type,
- uint32_t idx,
- void *userdata)
+empathy_audio_src_get_current_mic_cb (GObject *source_object,
+ GAsyncResult *result,
+ gpointer user_data)
{
- EmpathyGstAudioSrc *self = userdata;
+ EmpathyMicMonitor *monitor = EMPATHY_MIC_MONITOR (source_object);
+ EmpathyGstAudioSrc *self = user_data;
EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
+ guint source_idx;
+ GError *error = NULL;
- if ((type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
- && (type & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_CHANGE
- && idx == priv->source_output_idx)
- {
- /* Microphone in the source output has changed */
- pa_context_get_source_output_info (context, idx,
- empathy_audio_src_source_output_info_cb, self);
- }
- else if ((type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE
- && (type & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
- {
- /* A mic has been removed */
- g_signal_emit (self, signals[MICROPHONE_REMOVED], 0, idx);
- }
- else if ((type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE
- && (type & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW)
+ source_idx = empathy_mic_monitor_get_current_mic_finish (monitor, result, &error);
+
+ if (error != NULL)
{
- /* A mic has been plugged in */
- pa_context_get_source_info_by_index (context, idx,
- empathy_audio_src_source_info_cb, self);
+ DEBUG ("Failed to get current mic: %s", error->message);
+ g_clear_error (&error);
+ return;
}
-}
-
-static void
-empathy_audio_src_pa_subscribe_cb (pa_context *context,
- int success,
- void *userdata)
-{
- if (!success)
- DEBUG ("Failed to subscribe to PulseAudio events");
-}
-static void
-empathy_audio_src_pa_state_change_cb (pa_context *context,
- void *userdata)
-{
- EmpathyGstAudioSrc *self = userdata;
- EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (self);
- pa_context_state_t state = pa_context_get_state (priv->context);
+ if (priv->source_idx == source_idx)
+ return;
- if (state == PA_CONTEXT_READY)
- {
- /* Listen to pulseaudio events so we know when sources are
- * added and when the microphone is changed. */
- pa_context_set_subscribe_callback (priv->context,
- empathy_audio_src_pa_event_cb, self);
- pa_context_subscribe (priv->context,
- PA_SUBSCRIPTION_MASK_SOURCE | PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT,
- empathy_audio_src_pa_subscribe_cb, NULL);
-
- operations_run (self);
- }
+ priv->source_idx = source_idx;
+ g_object_notify (G_OBJECT (self), "microphone");
}
static void
@@ -374,8 +161,8 @@ empathy_audio_src_source_output_index_notify (GObject *object,
/* It's actually changed. */
priv->source_output_idx = source_output_idx;
- pa_context_get_source_output_info (priv->context, source_output_idx,
- empathy_audio_src_source_output_info_cb, self);
+ empathy_mic_monitor_get_current_mic_async (priv->mic_monitor,
+ source_output_idx, empathy_audio_src_get_current_mic_cb, self);
}
static GstElement *
@@ -442,12 +229,6 @@ empathy_audio_src_init (EmpathyGstAudioSrc *obj)
gst_object_unref (G_OBJECT (src));
- /* PulseAudio stuff: We need to create a dummy pa_glib_mainloop* so
- * Pulse can use the mainloop that GTK has created for us. */
- priv->loop = pa_glib_mainloop_new (NULL);
- priv->context = pa_context_new (pa_glib_mainloop_get_api (priv->loop),
- "EmpathyAudioSrc");
-
/* Listen to changes to GstPulseSrc:source-output-index so we know when
* it's no longer PA_INVALID_INDEX (starting for the first time) or if it
* changes (READY->NULL->READY...) */
@@ -455,13 +236,11 @@ empathy_audio_src_init (EmpathyGstAudioSrc *obj)
G_CALLBACK (empathy_audio_src_source_output_index_notify),
obj);
- /* Finally listen for state changes so we know when we've
- * connected. */
- pa_context_set_state_callback (priv->context,
- empathy_audio_src_pa_state_change_cb, obj);
- pa_context_connect (priv->context, NULL, 0, NULL);
+ priv->mic_monitor = empathy_mic_monitor_new ();
+ g_signal_connect (priv->mic_monitor, "microphone-changed",
+ G_CALLBACK (empathy_audio_src_microphone_changed_cb), obj);
- priv->operations = g_queue_new ();
+ priv->source_idx = PA_INVALID_INDEX;
}
static void empathy_audio_src_dispose (GObject *object);
@@ -565,7 +344,6 @@ empathy_audio_src_class_init (EmpathyGstAudioSrcClass
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_RMS_LEVEL, param_spec);
-
signals[RMS_LEVEL_CHANGED] = g_signal_new ("rms-level-changed",
G_TYPE_FROM_CLASS (empathy_audio_src_class),
G_SIGNAL_RUN_LAST,
@@ -573,22 +351,6 @@ empathy_audio_src_class_init (EmpathyGstAudioSrcClass
NULL, NULL,
g_cclosure_marshal_VOID__DOUBLE,
G_TYPE_NONE, 1, G_TYPE_DOUBLE);
-
- signals[MICROPHONE_ADDED] = g_signal_new ("microphone-added",
- G_TYPE_FROM_CLASS (empathy_audio_src_class),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL,
- _src_marshal_VOID__UINT_STRING_STRING_BOOLEAN,
- G_TYPE_NONE, 4, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
-
- signals[MICROPHONE_REMOVED] = g_signal_new ("microphone-removed",
- G_TYPE_FROM_CLASS (empathy_audio_src_class),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__UINT,
- G_TYPE_NONE, 1, G_TYPE_UINT);
}
void
@@ -607,13 +369,7 @@ empathy_audio_src_dispose (GObject *object)
priv->idle_id = 0;
- if (priv->context != NULL)
- pa_context_unref (priv->context);
- priv->context = NULL;
-
- if (priv->loop != NULL)
- pa_glib_mainloop_free (priv->loop);
- priv->loop = NULL;
+ tp_clear_object (&priv->mic_monitor);
/* release any references held by the object here */
@@ -630,10 +386,6 @@ empathy_audio_src_finalize (GObject *object)
/* free any data held directly by the object here */
g_mutex_free (priv->lock);
- g_queue_foreach (priv->operations, (GFunc) operation_free,
- GUINT_TO_POINTER (TRUE));
- g_queue_free (priv->operations);
-
G_OBJECT_CLASS (empathy_audio_src_parent_class)->finalize (object);
}
@@ -761,61 +513,31 @@ empathy_audio_src_get_volume (EmpathyGstAudioSrc *src)
return volume;
}
-void
-empathy_audio_src_get_microphones_async (EmpathyGstAudioSrc *src,
- GAsyncReadyCallback callback,
- gpointer user_data)
+guint
+empathy_audio_src_get_microphone (EmpathyGstAudioSrc *src)
{
EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (src);
- Operation *operation;
- GSimpleAsyncResult *simple;
-
- simple = g_simple_async_result_new (G_OBJECT (src), callback, user_data,
- empathy_audio_src_get_microphones_async);
-
- /* If we can't change mic let's not pretend we can by returning the
- * list of available mics. */
- if (!empathy_audio_src_supports_changing_mic (src))
- {
- g_simple_async_result_set_error (simple, G_IO_ERROR, G_IO_ERROR_FAILED,
- "pulsesrc is not new enough to support changing microphone");
- g_simple_async_result_complete_in_idle (simple);
- g_object_unref (simple);
- return;
- }
- operation = operation_new (operation_get_microphones, simple);
- g_queue_push_tail (priv->operations, operation);
-
- /* gogogogo */
- operations_run (src);
+ return priv->source_idx;
}
-const GList *
-empathy_audio_src_get_microphones_finish (EmpathyGstAudioSrc *src,
+static void
+empathy_audio_src_change_microphone_cb (GObject *source_object,
GAsyncResult *result,
- GError **error)
+ gpointer user_data)
{
- GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
- GQueue *queue;
-
- if (g_simple_async_result_propagate_error (simple, error))
- return NULL;
-
- g_return_val_if_fail (g_simple_async_result_is_valid (result,
- G_OBJECT (src), empathy_audio_src_get_microphones_async),
- NULL);
-
- queue = g_simple_async_result_get_op_res_gpointer (simple);
- return queue->head;
-}
+ EmpathyMicMonitor *monitor = EMPATHY_MIC_MONITOR (source_object);
+ GSimpleAsyncResult *simple = user_data;
+ GError *error = NULL;
-guint
-empathy_audio_src_get_microphone (EmpathyGstAudioSrc *src)
-{
- EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (src);
+ if (!empathy_mic_monitor_change_microphone_finish (monitor,
+ result, &error))
+ {
+ g_simple_async_result_take_error (simple, error);
+ }
- return priv->source_idx;
+ g_simple_async_result_complete (simple);
+ g_object_unref (simple);
}
void
@@ -827,7 +549,6 @@ empathy_audio_src_change_microphone_async (EmpathyGstAudioSrc *src,
EmpathyGstAudioSrcPrivate *priv = EMPATHY_GST_AUDIO_SRC_GET_PRIVATE (src);
guint source_output_idx;
GSimpleAsyncResult *simple;
- Operation *operation;
simple = g_simple_async_result_new (G_OBJECT (src), callback, user_data,
empathy_audio_src_change_microphone_async);
@@ -852,14 +573,9 @@ empathy_audio_src_change_microphone_async (EmpathyGstAudioSrc *src,
return;
}
- g_simple_async_result_set_op_res_gpointer (simple,
- GUINT_TO_POINTER (microphone), NULL);
-
- operation = operation_new (operation_change_microphone, simple);
- g_queue_push_tail (priv->operations, operation);
-
- /* gogogogo */
- operations_run (src);
+ empathy_mic_monitor_change_microphone_async (priv->mic_monitor,
+ source_output_idx, microphone, empathy_audio_src_change_microphone_cb,
+ simple);
}
gboolean
diff --git a/src/empathy-audio-src.h b/src/empathy-audio-src.h
index 05e3c46cc..5eb0d1534 100644
--- a/src/empathy-audio-src.h
+++ b/src/empathy-audio-src.h
@@ -62,19 +62,6 @@ GstElement *empathy_audio_src_new (void);
void empathy_audio_src_set_volume (EmpathyGstAudioSrc *src, gdouble volume);
gdouble empathy_audio_src_get_volume (EmpathyGstAudioSrc *src);
-typedef struct
-{
- guint index;
- gchar *name;
- gchar *description;
- gboolean is_monitor;
-} EmpathyAudioSrcMicrophone;
-
-void empathy_audio_src_get_microphones_async (EmpathyGstAudioSrc *src,
- GAsyncReadyCallback callback, gpointer user_data);
-const GList * empathy_audio_src_get_microphones_finish (EmpathyGstAudioSrc *src,
- GAsyncResult *result, GError **error);
-
guint empathy_audio_src_get_microphone (EmpathyGstAudioSrc *src);
void empathy_audio_src_change_microphone_async (EmpathyGstAudioSrc *src,
diff --git a/src/empathy-mic-menu.c b/src/empathy-mic-menu.c
index dc3d0f006..7f5cd2380 100644
--- a/src/empathy-mic-menu.c
+++ b/src/empathy-mic-menu.c
@@ -24,6 +24,7 @@
#include <gtk/gtk.h>
#include "empathy-mic-menu.h"
+#include "empathy-mic-monitor.h"
#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
#include <libempathy/empathy-debug.h>
@@ -50,6 +51,8 @@ struct _EmpathyMicMenuPrivate
/* Queue of GtkRadioActions. */
GQueue *microphones;
+
+ EmpathyMicMonitor *mic_monitor;
};
G_DEFINE_TYPE (EmpathyMicMenu, empathy_mic_menu, G_TYPE_OBJECT);
@@ -263,7 +266,7 @@ empathy_mic_menu_notify_microphone_cb (EmpathyGstAudioSrc *audio,
}
static void
-empathy_mic_menu_microphone_added_cb (EmpathyGstAudioSrc *audio,
+empathy_mic_menu_microphone_added_cb (EmpathyMicMonitor *monitor,
guint source_idx,
const gchar *name,
const gchar *description,
@@ -277,7 +280,7 @@ empathy_mic_menu_microphone_added_cb (EmpathyGstAudioSrc *audio,
}
static void
-empathy_mic_menu_microphone_removed_cb (EmpathyGstAudioSrc *audio,
+empathy_mic_menu_microphone_removed_cb (EmpathyMicMonitor *monitor,
guint source_idx,
EmpathyMicMenu *self)
{
@@ -309,16 +312,16 @@ empathy_mic_menu_microphone_removed_cb (EmpathyGstAudioSrc *audio,
}
static void
-empathy_mic_menu_get_microphones_cb (GObject *source_object,
+empathy_mic_menu_list_microphones_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
- EmpathyGstAudioSrc *audio = EMPATHY_GST_AUDIO_SRC (source_object);
+ EmpathyMicMonitor *monitor = EMPATHY_MIC_MONITOR (source_object);
EmpathyMicMenu *self = user_data;
GError *error = NULL;
const GList *mics = NULL;
- mics = empathy_audio_src_get_microphones_finish (audio, result, &error);
+ mics = empathy_mic_monitor_list_microphones_finish (monitor, result, &error);
if (error != NULL)
{
@@ -329,7 +332,7 @@ empathy_mic_menu_get_microphones_cb (GObject *source_object,
for (; mics != NULL; mics = mics->next)
{
- EmpathyAudioSrcMicrophone *mic = mics->data;
+ EmpathyMicrophone *mic = mics->data;
empathy_mic_menu_add_microphone (self, mic->name,
mic->description, mic->index, mic->is_monitor);
@@ -356,6 +359,8 @@ empathy_mic_menu_constructed (GObject *obj)
/* Okay let's go go go. */
+ priv->mic_monitor = empathy_mic_monitor_new ();
+
priv->action_group = gtk_action_group_new ("EmpathyMicMenu");
gtk_ui_manager_insert_action_group (ui_manager, priv->action_group, -1);
/* the UI manager now owns this */
@@ -369,15 +374,15 @@ empathy_mic_menu_constructed (GObject *obj)
tp_g_signal_connect_object (audio, "notify::microphone",
G_CALLBACK (empathy_mic_menu_notify_microphone_cb), self, 0);
- tp_g_signal_connect_object (audio, "microphone-added",
+ tp_g_signal_connect_object (priv->mic_monitor, "microphone-added",
G_CALLBACK (empathy_mic_menu_microphone_added_cb), self, 0);
- tp_g_signal_connect_object (audio, "microphone-removed",
+ tp_g_signal_connect_object (priv->mic_monitor, "microphone-removed",
G_CALLBACK (empathy_mic_menu_microphone_removed_cb), self, 0);
priv->microphones = g_queue_new ();
- empathy_audio_src_get_microphones_async (audio,
- empathy_mic_menu_get_microphones_cb, self);
+ empathy_mic_monitor_list_microphones_async (priv->mic_monitor,
+ empathy_mic_menu_list_microphones_cb, self);
}
static void
@@ -390,6 +395,8 @@ empathy_mic_menu_dispose (GObject *obj)
g_queue_free (priv->microphones);
priv->microphones = NULL;
+ tp_clear_object (&priv->mic_monitor);
+
G_OBJECT_CLASS (empathy_mic_menu_parent_class)->dispose (obj);
}
diff --git a/src/empathy-mic-monitor.c b/src/empathy-mic-monitor.c
new file mode 100644
index 000000000..5a90e1718
--- /dev/null
+++ b/src/empathy-mic-monitor.c
@@ -0,0 +1,566 @@
+/*
+ * Copyright (C) 2011 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+
+#include <pulse/pulseaudio.h>
+#include <pulse/glib-mainloop.h>
+
+#include "empathy-mic-monitor.h"
+
+#include "src-marshal.h"
+
+#include <libempathy/empathy-utils.h>
+
+#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
+#include <libempathy/empathy-debug.h>
+
+enum
+{
+ MICROPHONE_ADDED,
+ MICROPHONE_REMOVED,
+ MICROPHONE_CHANGED,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = {0};
+
+struct _EmpathyMicMonitorPrivate
+{
+ pa_glib_mainloop *loop;
+ pa_context *context;
+ GQueue *operations;
+};
+
+G_DEFINE_TYPE (EmpathyMicMonitor, empathy_mic_monitor, G_TYPE_OBJECT);
+
+typedef void (*OperationFunc) (EmpathyMicMonitor *, GSimpleAsyncResult *);
+
+typedef struct
+{
+ OperationFunc func;
+ GSimpleAsyncResult *result;
+} Operation;
+
+static Operation *
+operation_new (OperationFunc func,
+ GSimpleAsyncResult *result)
+{
+ Operation *o = g_slice_new0 (Operation);
+
+ o->func = func;
+ o->result = result;
+
+ return o;
+}
+
+static void
+operation_free (Operation *o,
+ gboolean cancelled)
+{
+ if (cancelled)
+ {
+ g_simple_async_result_set_error (o->result,
+ G_IO_ERROR, G_IO_ERROR_CANCELLED,
+ "The microphone monitor was disposed");
+ g_simple_async_result_complete (o->result);
+ g_object_unref (o->result);
+ }
+
+ g_slice_free (Operation, o);
+}
+
+static void
+operations_run (EmpathyMicMonitor *self)
+{
+ EmpathyMicMonitorPrivate *priv = self->priv;
+ pa_context_state_t state = pa_context_get_state (priv->context);
+ GList *l;
+
+ if (state != PA_CONTEXT_READY)
+ return;
+
+ for (l = priv->operations->head; l != NULL; l = l->next)
+ {
+ Operation *o = l->data;
+
+ o->func (self, o->result);
+
+ operation_free (o, FALSE);
+ }
+
+ g_queue_clear (priv->operations);
+}
+
+static void
+empathy_mic_monitor_source_output_info_cb (pa_context *context,
+ const pa_source_output_info *info,
+ int eol,
+ void *userdata)
+{
+ EmpathyMicMonitor *self = userdata;
+
+ if (eol)
+ return;
+
+ g_signal_emit (self, signals[MICROPHONE_CHANGED], 0,
+ info->index, info->source);
+}
+
+static void
+empathy_mic_monitor_source_info_cb (pa_context *context,
+ const pa_source_info *info,
+ int eol,
+ void *userdata)
+{
+ EmpathyMicMonitor *self = userdata;
+ gboolean is_monitor;
+
+ if (eol)
+ return;
+
+ is_monitor = (info->monitor_of_sink != PA_INVALID_INDEX);
+
+ g_signal_emit (self, signals[MICROPHONE_ADDED], 0,
+ info->index, info->name, info->description, is_monitor);
+}
+
+static void
+empathy_mic_monitor_pa_event_cb (pa_context *context,
+ pa_subscription_event_type_t type,
+ uint32_t idx,
+ void *userdata)
+{
+ EmpathyMicMonitor *self = userdata;
+
+ if ((type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
+ && (type & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_CHANGE)
+ {
+ /* Microphone in the source output has changed */
+ pa_context_get_source_output_info (context, idx,
+ empathy_mic_monitor_source_output_info_cb, self);
+ }
+ else if ((type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE
+ && (type & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
+ {
+ /* A mic has been removed */
+ g_signal_emit (self, signals[MICROPHONE_REMOVED], 0, idx);
+ }
+ else if ((type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE
+ && (type & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW)
+ {
+ /* A mic has been plugged in */
+ pa_context_get_source_info_by_index (context, idx,
+ empathy_mic_monitor_source_info_cb, self);
+ }
+}
+
+static void
+empathy_mic_monitor_pa_subscribe_cb (pa_context *context,
+ int success,
+ void *userdata)
+{
+ if (!success)
+ DEBUG ("Failed to subscribe to PulseAudio events");
+}
+
+static void
+empathy_mic_monitor_pa_state_change_cb (pa_context *context,
+ void *userdata)
+{
+ EmpathyMicMonitor *self = userdata;
+ EmpathyMicMonitorPrivate *priv = self->priv;
+ pa_context_state_t state = pa_context_get_state (priv->context);
+
+ if (state == PA_CONTEXT_READY)
+ {
+ /* Listen to pulseaudio events so we know when sources are
+ * added and when the microphone is changed. */
+ pa_context_set_subscribe_callback (priv->context,
+ empathy_mic_monitor_pa_event_cb, self);
+ pa_context_subscribe (priv->context,
+ PA_SUBSCRIPTION_MASK_SOURCE | PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT,
+ empathy_mic_monitor_pa_subscribe_cb, NULL);
+
+ operations_run (self);
+ }
+}
+
+static void
+empathy_mic_monitor_init (EmpathyMicMonitor *self)
+{
+ EmpathyMicMonitorPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+ EMPATHY_TYPE_MIC_MONITOR, EmpathyMicMonitorPrivate);
+
+ self->priv = priv;
+}
+
+static void
+empathy_mic_monitor_constructed (GObject *obj)
+{
+ EmpathyMicMonitor *self = EMPATHY_MIC_MONITOR (obj);
+ EmpathyMicMonitorPrivate *priv = self->priv;
+
+ /* PulseAudio stuff: We need to create a dummy pa_glib_mainloop* so
+ * Pulse can use the mainloop that GTK has created for us. */
+ priv->loop = pa_glib_mainloop_new (NULL);
+ priv->context = pa_context_new (pa_glib_mainloop_get_api (priv->loop),
+ "EmpathyMicMonitor");
+
+ /* Finally listen for state changes so we know when we've
+ * connected. */
+ pa_context_set_state_callback (priv->context,
+ empathy_mic_monitor_pa_state_change_cb, obj);
+ pa_context_connect (priv->context, NULL, 0, NULL);
+
+ priv->operations = g_queue_new ();
+}
+
+static void
+empathy_mic_monitor_dispose (GObject *obj)
+{
+ EmpathyMicMonitor *self = EMPATHY_MIC_MONITOR (obj);
+ EmpathyMicMonitorPrivate *priv = self->priv;
+
+ g_queue_foreach (priv->operations, (GFunc) operation_free,
+ GUINT_TO_POINTER (TRUE));
+ g_queue_free (priv->operations);
+
+ if (priv->context != NULL)
+ pa_context_unref (priv->context);
+ priv->context = NULL;
+
+ if (priv->loop != NULL)
+ pa_glib_mainloop_free (priv->loop);
+ priv->loop = NULL;
+
+ G_OBJECT_CLASS (empathy_mic_monitor_parent_class)->dispose (obj);
+}
+
+static void
+empathy_mic_monitor_class_init (EmpathyMicMonitorClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = empathy_mic_monitor_constructed;
+ object_class->dispose = empathy_mic_monitor_dispose;
+
+ signals[MICROPHONE_ADDED] = g_signal_new ("microphone-added",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ _src_marshal_VOID__UINT_STRING_STRING_BOOLEAN,
+ G_TYPE_NONE, 4, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
+
+ signals[MICROPHONE_REMOVED] = g_signal_new ("microphone-removed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__UINT,
+ G_TYPE_NONE, 1, G_TYPE_UINT);
+
+ signals[MICROPHONE_CHANGED] = g_signal_new ("microphone-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ _src_marshal_VOID__UINT_UINT,
+ G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT);
+
+ g_type_class_add_private (object_class, sizeof (EmpathyMicMonitorPrivate));
+}
+
+EmpathyMicMonitor *
+empathy_mic_monitor_new (void)
+{
+ return g_object_new (EMPATHY_TYPE_MIC_MONITOR,
+ NULL);
+}
+
+/* operation: list microphones */
+static void
+operation_list_microphones_free (gpointer data)
+{
+ GQueue *queue = data;
+ GList *l;
+
+ for (l = queue->head; l != NULL; l = l->next)
+ {
+ EmpathyMicrophone *mic = l->data;
+
+ g_free (mic->name);
+ g_free (mic->description);
+ g_slice_free (EmpathyMicrophone, mic);
+ }
+
+ g_queue_free (queue);
+}
+
+static void
+operation_list_microphones_cb (pa_context *context,
+ const pa_source_info *info,
+ int eol,
+ void *userdata)
+{
+ GSimpleAsyncResult *result = userdata;
+ EmpathyMicrophone *mic;
+ GQueue *queue;
+
+ if (eol)
+ {
+ g_simple_async_result_complete (result);
+ g_object_unref (result);
+ return;
+ }
+
+ mic = g_slice_new0 (EmpathyMicrophone);
+ mic->index = info->index;
+ mic->name = g_strdup (info->name);
+ mic->description = g_strdup (info->description);
+ mic->is_monitor = (info->monitor_of_sink != PA_INVALID_INDEX);
+
+ /* add it to the queue */
+ queue = g_simple_async_result_get_op_res_gpointer (result);
+ g_queue_push_tail (queue, mic);
+}
+
+static void
+operation_list_microphones (EmpathyMicMonitor *self,
+ GSimpleAsyncResult *result)
+{
+ EmpathyMicMonitorPrivate *priv = self->priv;
+
+ g_assert_cmpuint (pa_context_get_state (priv->context), ==, PA_CONTEXT_READY);
+
+ g_simple_async_result_set_op_res_gpointer (result, g_queue_new (),
+ operation_list_microphones_free);
+
+ pa_context_get_source_info_list (priv->context,
+ operation_list_microphones_cb, result);
+}
+
+void
+empathy_mic_monitor_list_microphones_async (EmpathyMicMonitor *self,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+EmpathyMicMonitorPrivate *priv = self->priv;
+ Operation *operation;
+ GSimpleAsyncResult *simple;
+
+ simple = g_simple_async_result_new (G_OBJECT (self), callback, user_data,
+ empathy_mic_monitor_list_microphones_async);
+
+ operation = operation_new (operation_list_microphones, simple);
+ g_queue_push_tail (priv->operations, operation);
+
+ /* gogogogo */
+ operations_run (self);
+}
+
+const GList *
+empathy_mic_monitor_list_microphones_finish (EmpathyMicMonitor *src,
+ GAsyncResult *result,
+ GError **error)
+{
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+ GQueue *queue;
+
+ if (g_simple_async_result_propagate_error (simple, error))
+ return NULL;
+
+ g_return_val_if_fail (g_simple_async_result_is_valid (result,
+ G_OBJECT (src), empathy_mic_monitor_list_microphones_async),
+ NULL);
+
+ queue = g_simple_async_result_get_op_res_gpointer (simple);
+ return queue->head;
+}
+
+/* operation: change microphone */
+typedef struct
+{
+ guint source_output_idx;
+ guint source_idx;
+} ChangeMicrophoneData;
+
+static void
+operation_change_microphone_cb (pa_context *context,
+ int success,
+ void *userdata)
+{
+ GSimpleAsyncResult *result = userdata;
+
+ if (!success)
+ {
+ g_simple_async_result_set_error (result, G_IO_ERROR, G_IO_ERROR_FAILED,
+ "Failed to change microphone. Reason unknown.");
+ }
+
+ g_simple_async_result_complete (result);
+ g_object_unref (result);
+}
+
+static void
+operation_change_microphone (EmpathyMicMonitor *self,
+ GSimpleAsyncResult *result)
+{
+ EmpathyMicMonitorPrivate *priv = self->priv;
+ ChangeMicrophoneData *data;
+
+ g_assert_cmpuint (pa_context_get_state (priv->context), ==, PA_CONTEXT_READY);
+
+ data = g_simple_async_result_get_op_res_gpointer (result);
+
+ pa_context_move_source_output_by_index (priv->context,
+ data->source_output_idx, data->source_idx,
+ operation_change_microphone_cb, result);
+
+ g_simple_async_result_set_op_res_gpointer (result, NULL, NULL);
+ g_slice_free (ChangeMicrophoneData, data);
+}
+
+void
+empathy_mic_monitor_change_microphone_async (EmpathyMicMonitor *self,
+ guint source_output_idx,
+ guint source_idx,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ EmpathyMicMonitorPrivate *priv = self->priv;
+ GSimpleAsyncResult *simple;
+ Operation *operation;
+ ChangeMicrophoneData *data;
+
+ simple = g_simple_async_result_new (G_OBJECT (self), callback, user_data,
+ empathy_mic_monitor_change_microphone_async);
+
+ if (source_output_idx == PA_INVALID_INDEX)
+ {
+ g_simple_async_result_set_error (simple, G_IO_ERROR, G_IO_ERROR_FAILED,
+ "Invalid source output index");
+ g_simple_async_result_complete_in_idle (simple);
+ g_object_unref (simple);
+ return;
+ }
+
+ data = g_slice_new0 (ChangeMicrophoneData);
+ data->source_idx = source_idx;
+ data->source_output_idx = source_output_idx;
+ g_simple_async_result_set_op_res_gpointer (simple, data, NULL);
+
+ operation = operation_new (operation_change_microphone, simple);
+ g_queue_push_tail (priv->operations, operation);
+
+ /* gogogogo */
+ operations_run (self);
+}
+
+gboolean
+empathy_mic_monitor_change_microphone_finish (EmpathyMicMonitor *self,
+ GAsyncResult *result,
+ GError **error)
+{
+ empathy_implement_finish_void (self,
+ empathy_mic_monitor_change_microphone_async);
+}
+
+/* operation: get current mic */
+static void
+empathy_mic_monitor_get_current_mic_cb (pa_context *context,
+ const pa_source_output_info *info,
+ int eol,
+ void *userdata)
+{
+ GSimpleAsyncResult *result = userdata;
+
+ if (eol)
+ return;
+
+ if (g_simple_async_result_get_op_res_gpointer (result) != NULL)
+ return;
+
+ g_simple_async_result_set_op_res_gpointer (result,
+ GUINT_TO_POINTER (info->source), NULL);
+ g_simple_async_result_complete (result);
+ g_object_unref (result);
+}
+
+static void
+operation_get_current_mic (EmpathyMicMonitor *self,
+ GSimpleAsyncResult *result)
+{
+ EmpathyMicMonitorPrivate *priv = self->priv;
+ guint source_output_idx;
+
+ g_assert_cmpuint (pa_context_get_state (priv->context), ==, PA_CONTEXT_READY);
+
+ source_output_idx = GPOINTER_TO_UINT (
+ g_simple_async_result_get_op_res_gpointer (result));
+
+ /* unset this so we can use it in the cb */
+ g_simple_async_result_set_op_res_gpointer (result, NULL, NULL);
+
+ pa_context_get_source_output_info (priv->context, source_output_idx,
+ empathy_mic_monitor_get_current_mic_cb, result);
+}
+
+void
+empathy_mic_monitor_get_current_mic_async (EmpathyMicMonitor *self,
+ guint source_output_idx,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ EmpathyMicMonitorPrivate *priv = self->priv;
+ Operation *operation;
+ GSimpleAsyncResult *simple;
+
+ simple = g_simple_async_result_new (G_OBJECT (self), callback, user_data,
+ empathy_mic_monitor_get_current_mic_async);
+
+ g_simple_async_result_set_op_res_gpointer (simple,
+ GUINT_TO_POINTER (source_output_idx), NULL);
+
+ operation = operation_new (operation_get_current_mic, simple);
+ g_queue_push_tail (priv->operations, operation);
+
+ operations_run (self);
+}
+
+guint
+empathy_mic_monitor_get_current_mic_finish (EmpathyMicMonitor *self,
+ GAsyncResult *result,
+ GError **error)
+{
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
+
+ if (g_simple_async_result_propagate_error (simple, error))
+ return PA_INVALID_INDEX;
+
+ g_return_val_if_fail (g_simple_async_result_is_valid (result,
+ G_OBJECT (self), empathy_mic_monitor_get_current_mic_async),
+ PA_INVALID_INDEX);
+
+ return GPOINTER_TO_UINT (
+ g_simple_async_result_get_op_res_gpointer (simple));
+}
diff --git a/src/empathy-mic-monitor.h b/src/empathy-mic-monitor.h
new file mode 100644
index 000000000..69106c55d
--- /dev/null
+++ b/src/empathy-mic-monitor.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2011 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __EMPATHY_MIC_MONITOR_H__
+#define __EMPATHY_MIC_MONITOR_H__
+
+#include <glib-object.h>
+
+#include <pulse/pulseaudio.h>
+
+G_BEGIN_DECLS
+
+#define EMPATHY_TYPE_MIC_MONITOR (empathy_mic_monitor_get_type ())
+#define EMPATHY_MIC_MONITOR(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EMPATHY_TYPE_MIC_MONITOR, EmpathyMicMonitor))
+#define EMPATHY_MIC_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), EMPATHY_TYPE_MIC_MONITOR, EmpathyMicMonitorClass))
+#define EMPATHY_IS_MIC_MONITOR(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EMPATHY_TYPE_MIC_MONITOR))
+#define EMPATHY_IS_MIC_MONITOR_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EMPATHY_TYPE_MIC_MONITOR))
+#define EMPATHY_MIC_MONITOR_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EMPATHY_TYPE_MIC_MONITOR, EmpathyMicMonitorClass))
+
+typedef struct _EmpathyMicMonitor EmpathyMicMonitor;
+typedef struct _EmpathyMicMonitorPrivate EmpathyMicMonitorPrivate;
+typedef struct _EmpathyMicMonitorClass EmpathyMicMonitorClass;
+
+struct _EmpathyMicMonitor
+{
+ GObject parent;
+ EmpathyMicMonitorPrivate *priv;
+};
+
+struct _EmpathyMicMonitorClass
+{
+ GObjectClass parent_class;
+};
+
+GType empathy_mic_monitor_get_type (void) G_GNUC_CONST;
+
+EmpathyMicMonitor * empathy_mic_monitor_new (void);
+
+
+typedef struct
+{
+ guint index;
+ gchar *name;
+ gchar *description;
+ gboolean is_monitor;
+} EmpathyMicrophone;
+
+void empathy_mic_monitor_list_microphones_async (EmpathyMicMonitor *monitor,
+ GAsyncReadyCallback callback, gpointer user_data);
+const GList * empathy_mic_monitor_list_microphones_finish (EmpathyMicMonitor *monitor,
+ GAsyncResult *result, GError **error);
+
+void empathy_mic_monitor_change_microphone_async (EmpathyMicMonitor *monitor,
+ guint source_output_idx, guint source_idx, GAsyncReadyCallback callback, gpointer user_data);
+gboolean empathy_mic_monitor_change_microphone_finish (EmpathyMicMonitor *monitor,
+ GAsyncResult *result, GError **error);
+
+void empathy_mic_monitor_get_current_mic_async (EmpathyMicMonitor *self,
+ guint source_output_idx, GAsyncReadyCallback callback, gpointer user_data);
+guint empathy_mic_monitor_get_current_mic_finish (EmpathyMicMonitor *self,
+ GAsyncResult *result, GError **error);
+
+G_END_DECLS
+
+#endif /* __EMPATHY_MIC_MONITOR_H__ */