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-rw-r--r--src/volume-control-pulse.vala1677
1 files changed, 842 insertions, 835 deletions
diff --git a/src/volume-control-pulse.vala b/src/volume-control-pulse.vala
index e524c2e..e94ef75 100644
--- a/src/volume-control-pulse.vala
+++ b/src/volume-control-pulse.vala
@@ -1,6 +1,7 @@
/*
* -*- Mode:Vala; indent-tabs-mode:t; tab-width:4; encoding:utf8 -*-
* Copyright 2013 Canonical Ltd.
+ * Copyright 2021 Robert Tari
*
* 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
@@ -16,6 +17,7 @@
*
* Authors:
* Alberto Ruiz <alberto.ruiz@canonical.com>
+ * Robert Tari <robert@tari.in>
*/
using PulseAudio;
@@ -24,841 +26,846 @@ using Gee;
public class VolumeControlPulse : VolumeControl
{
- private unowned PulseAudio.GLibMainLoop loop = null;
-
- private uint _reconnect_timer = 0;
-
- private PulseAudio.Context context;
- private bool _mute = true;
- private VolumeControl.Volume _volume = new VolumeControl.Volume();
- private double _mic_volume = 0.0;
-
- /* Used by the pulseaudio stream restore extension */
- private DBusConnection _pconn;
- /* Need both the list and hash so we can retrieve the last known sink-input after
- * releasing the current active one (restoring back to the previous known role) */
- private Gee.ArrayList<uint32> _sink_input_list = new Gee.ArrayList<uint32> ();
- private HashMap<uint32, string> _sink_input_hash = new HashMap<uint32, string> ();
- private bool _pulse_use_stream_restore = false;
- private int32 _active_sink_input = -1;
- private string[] _valid_roles = {"multimedia", "alert", "alarm", "phone"};
- private string? _objp_role_multimedia = null;
- private string? _objp_role_alert = null;
- private string? _objp_role_alarm = null;
- private string? _objp_role_phone = null;
- private uint _pa_volume_sig_count = 0;
-
- private uint _local_volume_timer = 0;
- private uint _accountservice_volume_timer = 0;
- private bool _send_next_local_volume = false;
- private double _account_service_volume = 0.0;
- private VolumeControl.ActiveOutput _active_output = VolumeControl.ActiveOutput.SPEAKERS;
- private AccountsServiceAccess _accounts_service_access;
- private bool _external_mic_detected = false;
- private bool _source_sink_mic_activated = false;
-
- /** true when a microphone is active **/
- public override bool active_mic { get; set; default = false; }
-
- public VolumeControlPulse (IndicatorSound.Options options, PulseAudio.GLibMainLoop loop, AccountsServiceAccess? accounts_service_access)
- {
- base(options);
-
- _volume.volume = 0.0;
- _volume.reason = VolumeControl.VolumeReasons.PULSE_CHANGE;
-
- this.loop = loop;
-
- _accounts_service_access = accounts_service_access;
- this._accounts_service_access.notify["volume"].connect(() => {
- if (this._accounts_service_access.volume >= 0 && _account_service_volume != this._accounts_service_access.volume) {
- _account_service_volume = this._accounts_service_access.volume;
- // we need to wait for this to settle.
- start_account_service_volume_timer();
- }
- });
- this.reconnect_to_pulse ();
- }
-
- ~VolumeControlPulse ()
- {
- stop_all_timers();
- }
-
- private void stop_all_timers()
- {
- if (_reconnect_timer != 0) {
- Source.remove (_reconnect_timer);
- _reconnect_timer = 0;
- }
- stop_local_volume_timer();
- stop_account_service_volume_timer();
- }
-
- public static VolumeControl.ActiveOutput calculate_active_output (SinkInfo? sink) {
-
- VolumeControl.ActiveOutput ret_output = VolumeControl.ActiveOutput.SPEAKERS;
- /* Check if the current active port is headset/headphone */
- /* There is not easy way to check if the port is a headset/headphone besides
- * checking for the port name. On touch (with the pulseaudio droid element)
- * the headset/headphone port is called 'output-headset' and 'output-headphone'.
- * On the desktop this is usually called 'analog-output-headphones' */
-
- // first of all check if we are in call mode
- if (sink.active_port != null && sink.active_port.name == "output-speaker+wired_headphone") {
- return VolumeControl.ActiveOutput.CALL_MODE;
- }
- // look if it's a headset/headphones
- if (sink.name == "indicator_sound_test_headphones" ||
- (sink.active_port != null &&
- (sink.active_port.name.contains("headset") ||
- sink.active_port.name.contains("headphone")))) {
- // check if it's a bluetooth device
- unowned string device_bus = sink.proplist.gets ("device.bus");
- if (device_bus != null && device_bus == "bluetooth") {
- ret_output = VolumeControl.ActiveOutput.BLUETOOTH_HEADPHONES;
- } else if (device_bus != null && device_bus == "usb") {
- ret_output = VolumeControl.ActiveOutput.USB_HEADPHONES;
- } else if (device_bus != null && device_bus == "hdmi") {
- ret_output = VolumeControl.ActiveOutput.HDMI_HEADPHONES;
- } else {
- ret_output = VolumeControl.ActiveOutput.HEADPHONES;
- }
- } else {
- // speaker
- unowned string device_bus = sink.proplist.gets ("device.bus");
- if (device_bus != null && device_bus == "bluetooth") {
- ret_output = VolumeControl.ActiveOutput.BLUETOOTH_SPEAKER;
- } else if (device_bus != null && device_bus == "usb") {
- ret_output = VolumeControl.ActiveOutput.USB_SPEAKER;
- } else if (device_bus != null && device_bus == "hdmi") {
- ret_output = VolumeControl.ActiveOutput.HDMI_SPEAKER;
- } else {
- ret_output = VolumeControl.ActiveOutput.SPEAKERS;
- }
- }
-
- return ret_output;
- }
-
- private bool is_external_mic (SourceInfo? sink) {
- if (sink.name.contains ("indicator_sound_test_mic")) {
- return true;
- }
- if (sink.active_port != null &&
- ( (sink.active_port.name.contains ("headphone") ||
- sink.active_port.name.contains ("headset") ||
- sink.active_port.name.contains ("mic") ) &&
- (!sink.active_port.name.contains ("internal") &&
- !sink.active_port.name.contains ("builtin")) )) {
- return true;
- }
- return false;
- }
-
-
- /* PulseAudio logic*/
- private void context_events_cb (Context c, Context.SubscriptionEventType t, uint32 index)
- {
- switch (t & Context.SubscriptionEventType.FACILITY_MASK)
- {
- case Context.SubscriptionEventType.SINK:
- update_sink ();
- break;
-
- case Context.SubscriptionEventType.SINK_INPUT:
- switch (t & Context.SubscriptionEventType.TYPE_MASK)
- {
- case Context.SubscriptionEventType.NEW:
- c.get_sink_input_info (index, handle_new_sink_input_cb);
- break;
-
- case Context.SubscriptionEventType.CHANGE:
- c.get_sink_input_info (index, handle_changed_sink_input_cb);
- break;
-
- case Context.SubscriptionEventType.REMOVE:
- remove_sink_input_from_list (index);
- break;
- default:
- debug ("Sink input event not known.");
- break;
- }
- break;
-
- case Context.SubscriptionEventType.SOURCE:
- update_source ();
- break;
-
- case Context.SubscriptionEventType.SOURCE_OUTPUT:
- switch (t & Context.SubscriptionEventType.TYPE_MASK)
- {
- case Context.SubscriptionEventType.NEW:
- c.get_source_output_info (index, source_output_info_cb);
- break;
-
- case Context.SubscriptionEventType.REMOVE:
- this._source_sink_mic_activated = false;
- this.active_mic = _external_mic_detected;
- break;
- }
- break;
- }
- }
-
- private void sink_info_cb_for_props (Context c, SinkInfo? i, int eol)
- {
- if (i == null)
- return;
-
- if (_mute != (bool)i.mute)
- {
- _mute = (bool)i.mute;
- this.notify_property ("mute");
- }
-
- var playing = (i.state == PulseAudio.SinkState.RUNNING);
- if (is_playing != playing)
- is_playing = playing;
-
- var oldval = _active_output;
- var newval = calculate_active_output(i);
-
- _active_output = newval;
-
- // Emit a change signal iff CALL_MODE wasn't involved. (FIXME: yuck.)
- if ((oldval != VolumeControl.ActiveOutput.CALL_MODE) &&
- (newval != VolumeControl.ActiveOutput.CALL_MODE) &&
- (oldval != newval)) {
- this.active_output_changed (newval);
- }
-
- if (_pulse_use_stream_restore == false &&
- _volume.volume != volume_to_double (i.volume.max ()))
- {
- var vol = new VolumeControl.Volume();
- vol.volume = volume_to_double (i.volume.max ());
- vol.reason = VolumeControl.VolumeReasons.PULSE_CHANGE;
- this.volume = vol;
- }
- }
-
- private void source_info_cb (Context c, SourceInfo? i, int eol)
- {
- if (i == null)
- return;
-
- if (is_external_mic (i)) {
- this.active_mic = true;
- _external_mic_detected = true;
- } else {
- this.active_mic = _source_sink_mic_activated;
- _external_mic_detected = false;
- }
-
- if (_mic_volume != volume_to_double (i.volume.values[0]))
- {
- _mic_volume = volume_to_double (i.volume.values[0]);
- this.notify_property ("mic-volume");
- }
- }
-
- private void server_info_cb_for_props (Context c, ServerInfo? i)
- {
- if (i == null)
- return;
- context.get_sink_info_by_name (i.default_sink_name, sink_info_cb_for_props);
- }
-
- private void update_sink ()
- {
- context.get_server_info (server_info_cb_for_props);
- }
-
- private void update_source_get_server_info_cb (PulseAudio.Context c, PulseAudio.ServerInfo? i) {
- if (i != null)
- context.get_source_info_by_name (i.default_source_name, source_info_cb);
- }
-
- private void update_source ()
- {
- context.get_server_info (update_source_get_server_info_cb);
- }
-
- private DBusMessage pulse_dbus_filter (DBusConnection connection, owned DBusMessage message, bool incoming)
- {
- if (message.get_message_type () == DBusMessageType.SIGNAL) {
- string active_role_objp = _objp_role_alert;
- if (_active_sink_input != -1)
- active_role_objp = _sink_input_hash.get (_active_sink_input);
-
- if (message.get_path () == active_role_objp && message.get_member () == "VolumeUpdated") {
- uint sig_count = 0;
- lock (_pa_volume_sig_count) {
- sig_count = _pa_volume_sig_count;
- if (_pa_volume_sig_count > 0)
- _pa_volume_sig_count--;
- }
-
- /* We only care about signals if our internal count is zero */
- if (sig_count == 0) {
- /* Extract volume and make sure it's not a side effect of us setting it */
- Variant body = message.get_body ();
- Variant varray = body.get_child_value (0);
-
- uint32 type = 0, lvolume = 0;
- VariantIter iter = varray.iterator ();
- iter.next ("(uu)", &type, &lvolume);
- /* Here we need to compare integer values to avoid rounding issues, so just
- * using the volume values used by pulseaudio */
- PulseAudio.Volume cvolume = double_to_volume (_volume.volume);
- if (lvolume != cvolume) {
- /* Someone else changed the volume for this role, reflect on the indicator */
- var vol = new VolumeControl.Volume();
- vol.volume = volume_to_double (lvolume);
- vol.reason = VolumeControl.VolumeReasons.PULSE_CHANGE;
- this.volume = vol;
- }
- }
- }
- }
-
- return message;
- }
-
- private VolumeControl.Stream calculate_active_stream()
- {
- if (_active_sink_input != -1) {
- var path = _sink_input_hash[_active_sink_input];
- if (path == _objp_role_multimedia)
- return Stream.MULTIMEDIA;
- if (path == _objp_role_alarm)
- return Stream.ALARM;
- if (path == _objp_role_phone)
- return Stream.PHONE;
- }
-
- return VolumeControl.Stream.ALERT;
- }
-
- private async void update_active_sink_input (int32 index)
- {
- if ((index == -1) || (index != _active_sink_input && index in _sink_input_list)) {
- string sink_input_objp = _objp_role_alert;
- if (index != -1)
- sink_input_objp = _sink_input_hash.get (index);
- _active_sink_input = index;
- var stream = calculate_active_stream();
- if (active_stream != stream) {
- active_stream = stream;
- }
-
- /* Listen for role volume changes from pulse itself (external clients) */
- try {
- var builder = new VariantBuilder (VariantType.OBJECT_PATH_ARRAY);
- builder.add ("o", sink_input_objp);
-
- yield _pconn.call ("org.PulseAudio.Core1", "/org/pulseaudio/core1",
- "org.PulseAudio.Core1", "ListenForSignal",
- new Variant ("(sao)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry.VolumeUpdated", builder),
- null, DBusCallFlags.NONE, -1);
- } catch (GLib.Error e) {
- warning ("unable to listen for pulseaudio dbus signals (%s)", e.message);
- }
-
- try {
- var props_variant = yield _pconn.call ("org.PulseAudio.Ext.StreamRestore1.RestoreEntry",
- sink_input_objp, "org.freedesktop.DBus.Properties", "Get",
- new Variant ("(ss)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry", "Volume"),
- null, DBusCallFlags.NONE, -1);
- Variant tmp;
- props_variant.get ("(v)", out tmp);
- uint32 type = 0, volume = 0;
- VariantIter iter = tmp.iterator ();
- iter.next ("(uu)", &type, &volume);
-
- var vol = new VolumeControl.Volume();
- vol.volume = volume_to_double (volume);
- vol.reason = VolumeControl.VolumeReasons.VOLUME_STREAM_CHANGE;
- this.volume = vol;
- } catch (GLib.Error e) {
- warning ("unable to get volume for active role %s (%s)", sink_input_objp, e.message);
- }
- }
- }
-
- private void add_sink_input_into_list (SinkInputInfo sink_input)
- {
- /* We're only adding ones that are not corked and with a valid role */
- unowned string role = sink_input.proplist.gets (PulseAudio.Proplist.PROP_MEDIA_ROLE);
-
- if (role != null && role in _valid_roles) {
- if (sink_input.corked == 0 || role == "phone") {
- _sink_input_list.insert (0, sink_input.index);
- switch (role)
- {
- case "multimedia":
- _sink_input_hash.set (sink_input.index, _objp_role_multimedia);
- break;
- case "alert":
- _sink_input_hash.set (sink_input.index, _objp_role_alert);
- break;
- case "alarm":
- _sink_input_hash.set (sink_input.index, _objp_role_alarm);
- break;
- case "phone":
- _sink_input_hash.set (sink_input.index, _objp_role_phone);
- break;
- }
- /* Only switch the active sink input in case a phone one is not active */
- if (_active_sink_input == -1 ||
- _sink_input_hash.get (_active_sink_input) != _objp_role_phone)
- update_active_sink_input.begin ((int32)sink_input.index);
- }
- }
- }
-
- private void remove_sink_input_from_list (uint32 index)
- {
- if (index in _sink_input_list) {
- _sink_input_list.remove (index);
- _sink_input_hash.unset (index);
- if (index == _active_sink_input) {
- if (_sink_input_list.size != 0)
- update_active_sink_input.begin ((int32)_sink_input_list.get (0));
- else
- update_active_sink_input.begin (-1);
- }
- }
- }
-
- private void handle_new_sink_input_cb (Context c, SinkInputInfo? i, int eol)
- {
- if (i == null)
- return;
-
- add_sink_input_into_list (i);
- }
-
- private void handle_changed_sink_input_cb (Context c, SinkInputInfo? i, int eol)
- {
- if (i == null)
- return;
-
- if (i.index in _sink_input_list) {
- /* Phone stream is always corked, so handle it differently */
- if (i.corked == 1 && _sink_input_hash.get (i.index) != _objp_role_phone)
- remove_sink_input_from_list (i.index);
- } else {
- if (i.corked == 0)
- add_sink_input_into_list (i);
- }
- }
-
- private void source_output_info_cb (Context c, SourceOutputInfo? i, int eol)
- {
- if (i == null)
- return;
-
- unowned string role = i.proplist.gets (PulseAudio.Proplist.PROP_MEDIA_ROLE);
- if (role == "phone" || role == "production") {
- this.active_mic = true;
- this._source_sink_mic_activated = true;
- }
- }
-
- private void context_state_callback (Context c)
- {
- switch (c.get_state ()) {
- case Context.State.READY:
- if (_pulse_use_stream_restore) {
- c.subscribe (PulseAudio.Context.SubscriptionMask.SINK |
- PulseAudio.Context.SubscriptionMask.SINK_INPUT |
- PulseAudio.Context.SubscriptionMask.SOURCE |
- PulseAudio.Context.SubscriptionMask.SOURCE_OUTPUT);
- } else {
- c.subscribe (PulseAudio.Context.SubscriptionMask.SINK |
- PulseAudio.Context.SubscriptionMask.SOURCE |
- PulseAudio.Context.SubscriptionMask.SOURCE_OUTPUT);
- }
- c.set_subscribe_callback (context_events_cb);
- update_sink ();
- update_source ();
- this.ready = true; // true because we're connected to the pulse server
- break;
-
- case Context.State.FAILED:
- case Context.State.TERMINATED:
- if (_reconnect_timer == 0)
- _reconnect_timer = Timeout.add_seconds (2, reconnect_timeout);
- break;
-
- default:
- this.ready = false;
- break;
- }
- }
-
- bool reconnect_timeout ()
- {
- _reconnect_timer = 0;
- reconnect_to_pulse ();
- return Source.REMOVE;
- }
-
- void reconnect_to_pulse ()
- {
- if (this.ready) {
- this.context.disconnect ();
- this.context = null;
- this.ready = false;
- }
+ private unowned PulseAudio.GLibMainLoop loop = null;
+
+ private uint _reconnect_timer = 0;
+
+ private PulseAudio.Context context;
+ private bool _mute = true;
+ private VolumeControl.Volume _volume = new VolumeControl.Volume();
+ private double _mic_volume = 0.0;
+
+ /* Used by the pulseaudio stream restore extension */
+ private DBusConnection _pconn;
+ /* Need both the list and hash so we can retrieve the last known sink-input after
+ * releasing the current active one (restoring back to the previous known role) */
+ private Gee.ArrayList<uint32> _sink_input_list = new Gee.ArrayList<uint32> ();
+ private HashMap<uint32, string> _sink_input_hash = new HashMap<uint32, string> ();
+ private bool _pulse_use_stream_restore = false;
+ private int32 _active_sink_input = -1;
+ private string[] _valid_roles = {"multimedia", "alert", "alarm", "phone"};
+ private string? _objp_role_multimedia = null;
+ private string? _objp_role_alert = null;
+ private string? _objp_role_alarm = null;
+ private string? _objp_role_phone = null;
+ private uint _pa_volume_sig_count = 0;
+
+ private uint _local_volume_timer = 0;
+ private uint _accountservice_volume_timer = 0;
+ private bool _send_next_local_volume = false;
+ private double _account_service_volume = 0.0;
+ private VolumeControl.ActiveOutput _active_output = VolumeControl.ActiveOutput.SPEAKERS;
+ private AccountsServiceAccess _accounts_service_access;
+ private bool _external_mic_detected = false;
+ private bool _source_sink_mic_activated = false;
+
+ /** true when a microphone is active **/
+ public override bool active_mic { get; set; default = false; }
+
+ public VolumeControlPulse (IndicatorSound.Options options, PulseAudio.GLibMainLoop loop, AccountsServiceAccess? accounts_service_access)
+ {
+ base(options);
+
+ _volume.volume = 0.0;
+ _volume.reason = VolumeControl.VolumeReasons.PULSE_CHANGE;
+
+ this.loop = loop;
+
+ _accounts_service_access = accounts_service_access;
+ this._accounts_service_access.notify["volume"].connect(() => {
+ if (this._accounts_service_access.volume >= 0 && _account_service_volume != this._accounts_service_access.volume) {
+ _account_service_volume = this._accounts_service_access.volume;
+ // we need to wait for this to settle.
+ start_account_service_volume_timer();
+ }
+ });
+ this.reconnect_to_pulse ();
+ }
+
+ ~VolumeControlPulse ()
+ {
+ stop_all_timers();
+ }
+
+ private void stop_all_timers()
+ {
+ if (_reconnect_timer != 0) {
+ Source.remove (_reconnect_timer);
+ _reconnect_timer = 0;
+ }
+ stop_local_volume_timer();
+ stop_account_service_volume_timer();
+ }
+
+ public static VolumeControl.ActiveOutput calculate_active_output (SinkInfo? sink) {
+
+ VolumeControl.ActiveOutput ret_output = VolumeControl.ActiveOutput.SPEAKERS;
+ /* Check if the current active port is headset/headphone */
+ /* There is not easy way to check if the port is a headset/headphone besides
+ * checking for the port name. On touch (with the pulseaudio droid element)
+ * the headset/headphone port is called 'output-headset' and 'output-headphone'.
+ * On the desktop this is usually called 'analog-output-headphones' */
+
+ // first of all check if we are in call mode
+ if (sink.active_port != null && sink.active_port.name == "output-speaker+wired_headphone") {
+ return VolumeControl.ActiveOutput.CALL_MODE;
+ }
+ // look if it's a headset/headphones
+ if (sink.name == "indicator_sound_test_headphones" ||
+ (sink.active_port != null &&
+ (sink.active_port.name.contains("headset") ||
+ sink.active_port.name.contains("headphone")))) {
+ // check if it's a bluetooth device
+ unowned string device_bus = sink.proplist.gets ("device.bus");
+ if (device_bus != null && device_bus == "bluetooth") {
+ ret_output = VolumeControl.ActiveOutput.BLUETOOTH_HEADPHONES;
+ } else if (device_bus != null && device_bus == "usb") {
+ ret_output = VolumeControl.ActiveOutput.USB_HEADPHONES;
+ } else if (device_bus != null && device_bus == "hdmi") {
+ ret_output = VolumeControl.ActiveOutput.HDMI_HEADPHONES;
+ } else {
+ ret_output = VolumeControl.ActiveOutput.HEADPHONES;
+ }
+ } else {
+ // speaker
+ unowned string device_bus = sink.proplist.gets ("device.bus");
+ if (device_bus != null && device_bus == "bluetooth") {
+ ret_output = VolumeControl.ActiveOutput.BLUETOOTH_SPEAKER;
+ } else if (device_bus != null && device_bus == "usb") {
+ ret_output = VolumeControl.ActiveOutput.USB_SPEAKER;
+ } else if (device_bus != null && device_bus == "hdmi") {
+ ret_output = VolumeControl.ActiveOutput.HDMI_SPEAKER;
+ } else {
+ ret_output = VolumeControl.ActiveOutput.SPEAKERS;
+ }
+ }
+
+ return ret_output;
+ }
+
+ private bool is_external_mic (SourceInfo? sink) {
+ if (sink.name.contains ("indicator_sound_test_mic")) {
+ return true;
+ }
+ if (sink.active_port != null &&
+ ( (sink.active_port.name.contains ("headphone") ||
+ sink.active_port.name.contains ("headset") ||
+ sink.active_port.name.contains ("mic") ) &&
+ (!sink.active_port.name.contains ("internal") &&
+ !sink.active_port.name.contains ("builtin")) )) {
+ return true;
+ }
+ return false;
+ }
+
+
+ /* PulseAudio logic*/
+ private void context_events_cb (Context c, Context.SubscriptionEventType t, uint32 index)
+ {
+ switch (t & Context.SubscriptionEventType.FACILITY_MASK)
+ {
+ case Context.SubscriptionEventType.SINK:
+ update_sink ();
+ break;
+
+ case Context.SubscriptionEventType.SINK_INPUT:
+ switch (t & Context.SubscriptionEventType.TYPE_MASK)
+ {
+ case Context.SubscriptionEventType.NEW:
+ c.get_sink_input_info (index, handle_new_sink_input_cb);
+ break;
+
+ case Context.SubscriptionEventType.CHANGE:
+ c.get_sink_input_info (index, handle_changed_sink_input_cb);
+ break;
+
+ case Context.SubscriptionEventType.REMOVE:
+ remove_sink_input_from_list (index);
+ break;
+ default:
+ debug ("Sink input event not known.");
+ break;
+ }
+ break;
+
+ case Context.SubscriptionEventType.SOURCE:
+ update_source ();
+ break;
+
+ case Context.SubscriptionEventType.SOURCE_OUTPUT:
+ switch (t & Context.SubscriptionEventType.TYPE_MASK)
+ {
+ case Context.SubscriptionEventType.NEW:
+ c.get_source_output_info (index, source_output_info_cb);
+ break;
+
+ case Context.SubscriptionEventType.REMOVE:
+ this._source_sink_mic_activated = false;
+ this.active_mic = _external_mic_detected;
+ break;
+ default:
+ break;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ private void sink_info_cb_for_props (Context c, SinkInfo? i, int eol)
+ {
+ if (i == null)
+ return;
+
+ if (_mute != (bool)i.mute)
+ {
+ _mute = (bool)i.mute;
+ this.notify_property ("mute");
+ }
+
+ var playing = (i.state == PulseAudio.SinkState.RUNNING);
+ if (is_playing != playing)
+ is_playing = playing;
+
+ var oldval = _active_output;
+ var newval = calculate_active_output(i);
+
+ _active_output = newval;
+
+ // Emit a change signal iff CALL_MODE wasn't involved. (FIXME: yuck.)
+ if ((oldval != VolumeControl.ActiveOutput.CALL_MODE) &&
+ (newval != VolumeControl.ActiveOutput.CALL_MODE) &&
+ (oldval != newval)) {
+ this.active_output_changed (newval);
+ }
+
+ if (_pulse_use_stream_restore == false &&
+ _volume.volume != volume_to_double (i.volume.max ()))
+ {
+ var vol = new VolumeControl.Volume();
+ vol.volume = volume_to_double (i.volume.max ());
+ vol.reason = VolumeControl.VolumeReasons.PULSE_CHANGE;
+ this.volume = vol;
+ }
+ }
+
+ private void source_info_cb (Context c, SourceInfo? i, int eol)
+ {
+ if (i == null)
+ return;
+
+ if (is_external_mic (i)) {
+ this.active_mic = true;
+ _external_mic_detected = true;
+ } else {
+ this.active_mic = _source_sink_mic_activated;
+ _external_mic_detected = false;
+ }
+
+ if (_mic_volume != volume_to_double (i.volume.values[0]))
+ {
+ _mic_volume = volume_to_double (i.volume.values[0]);
+ this.notify_property ("mic-volume");
+ }
+ }
+
+ private void server_info_cb_for_props (Context c, ServerInfo? i)
+ {
+ if (i == null)
+ return;
+ context.get_sink_info_by_name (i.default_sink_name, sink_info_cb_for_props);
+ }
+
+ private void update_sink ()
+ {
+ context.get_server_info (server_info_cb_for_props);
+ }
+
+ private void update_source_get_server_info_cb (PulseAudio.Context c, PulseAudio.ServerInfo? i) {
+ if (i != null)
+ context.get_source_info_by_name (i.default_source_name, source_info_cb);
+ }
+
+ private void update_source ()
+ {
+ context.get_server_info (update_source_get_server_info_cb);
+ }
+
+ private DBusMessage pulse_dbus_filter (DBusConnection connection, owned DBusMessage message, bool incoming)
+ {
+ if (message.get_message_type () == DBusMessageType.SIGNAL) {
+ string active_role_objp = _objp_role_alert;
+ if (_active_sink_input != -1)
+ active_role_objp = _sink_input_hash.get (_active_sink_input);
+
+ if (message.get_path () == active_role_objp && message.get_member () == "VolumeUpdated") {
+ uint sig_count = 0;
+ lock (_pa_volume_sig_count) {
+ sig_count = _pa_volume_sig_count;
+ if (_pa_volume_sig_count > 0)
+ _pa_volume_sig_count--;
+ }
+
+ /* We only care about signals if our internal count is zero */
+ if (sig_count == 0) {
+ /* Extract volume and make sure it's not a side effect of us setting it */
+ Variant body = message.get_body ();
+ Variant varray = body.get_child_value (0);
+
+ uint32 type = 0, lvolume = 0;
+ VariantIter iter = varray.iterator ();
+ iter.next ("(uu)", &type, &lvolume);
+ /* Here we need to compare integer values to avoid rounding issues, so just
+ * using the volume values used by pulseaudio */
+ PulseAudio.Volume cvolume = double_to_volume (_volume.volume);
+ if (lvolume != cvolume) {
+ /* Someone else changed the volume for this role, reflect on the indicator */
+ var vol = new VolumeControl.Volume();
+ vol.volume = volume_to_double (lvolume);
+ vol.reason = VolumeControl.VolumeReasons.PULSE_CHANGE;
+ this.volume = vol;
+ }
+ }
+ }
+ }
+
+ return message;
+ }
+
+ private VolumeControl.Stream calculate_active_stream()
+ {
+ if (_active_sink_input != -1) {
+ var path = _sink_input_hash[_active_sink_input];
+ if (path == _objp_role_multimedia)
+ return Stream.MULTIMEDIA;
+ if (path == _objp_role_alarm)
+ return Stream.ALARM;
+ if (path == _objp_role_phone)
+ return Stream.PHONE;
+ }
+
+ return VolumeControl.Stream.ALERT;
+ }
+
+ private async void update_active_sink_input (int32 index)
+ {
+ if ((index == -1) || (index != _active_sink_input && index in _sink_input_list)) {
+ string sink_input_objp = _objp_role_alert;
+ if (index != -1)
+ sink_input_objp = _sink_input_hash.get (index);
+ _active_sink_input = index;
+ var stream = calculate_active_stream();
+ if (active_stream != stream) {
+ active_stream = stream;
+ }
+
+ /* Listen for role volume changes from pulse itself (external clients) */
+ try {
+ var builder = new VariantBuilder (VariantType.OBJECT_PATH_ARRAY);
+ builder.add ("o", sink_input_objp);
+
+ yield _pconn.call ("org.PulseAudio.Core1", "/org/pulseaudio/core1",
+ "org.PulseAudio.Core1", "ListenForSignal",
+ new Variant ("(sao)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry.VolumeUpdated", builder),
+ null, DBusCallFlags.NONE, -1);
+ } catch (GLib.Error e) {
+ warning ("unable to listen for pulseaudio dbus signals (%s)", e.message);
+ }
+
+ try {
+ var props_variant = yield _pconn.call ("org.PulseAudio.Ext.StreamRestore1.RestoreEntry",
+ sink_input_objp, "org.freedesktop.DBus.Properties", "Get",
+ new Variant ("(ss)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry", "Volume"),
+ null, DBusCallFlags.NONE, -1);
+ Variant tmp;
+ props_variant.get ("(v)", out tmp);
+ uint32 type = 0, volume = 0;
+ VariantIter iter = tmp.iterator ();
+ iter.next ("(uu)", &type, &volume);
+
+ var vol = new VolumeControl.Volume();
+ vol.volume = volume_to_double (volume);
+ vol.reason = VolumeControl.VolumeReasons.VOLUME_STREAM_CHANGE;
+ this.volume = vol;
+ } catch (GLib.Error e) {
+ warning ("unable to get volume for active role %s (%s)", sink_input_objp, e.message);
+ }
+ }
+ }
+
+ private void add_sink_input_into_list (SinkInputInfo sink_input)
+ {
+ /* We're only adding ones that are not corked and with a valid role */
+ unowned string role = sink_input.proplist.gets (PulseAudio.Proplist.PROP_MEDIA_ROLE);
+
+ if (role != null && role in _valid_roles) {
+ if (sink_input.corked == 0 || role == "phone") {
+ _sink_input_list.insert (0, sink_input.index);
+ switch (role)
+ {
+ case "multimedia":
+ _sink_input_hash.set (sink_input.index, _objp_role_multimedia);
+ break;
+ case "alert":
+ _sink_input_hash.set (sink_input.index, _objp_role_alert);
+ break;
+ case "alarm":
+ _sink_input_hash.set (sink_input.index, _objp_role_alarm);
+ break;
+ case "phone":
+ _sink_input_hash.set (sink_input.index, _objp_role_phone);
+ break;
+ }
+ /* Only switch the active sink input in case a phone one is not active */
+ if (_active_sink_input == -1 ||
+ _sink_input_hash.get (_active_sink_input) != _objp_role_phone)
+ update_active_sink_input.begin ((int32)sink_input.index);
+ }
+ }
+ }
+
+ private void remove_sink_input_from_list (uint32 index)
+ {
+ if (index in _sink_input_list) {
+ _sink_input_list.remove (index);
+ _sink_input_hash.unset (index);
+ if (index == _active_sink_input) {
+ if (_sink_input_list.size != 0)
+ update_active_sink_input.begin ((int32)_sink_input_list.get (0));
+ else
+ update_active_sink_input.begin (-1);
+ }
+ }
+ }
+
+ private void handle_new_sink_input_cb (Context c, SinkInputInfo? i, int eol)
+ {
+ if (i == null)
+ return;
+
+ add_sink_input_into_list (i);
+ }
+
+ private void handle_changed_sink_input_cb (Context c, SinkInputInfo? i, int eol)
+ {
+ if (i == null)
+ return;
+
+ if (i.index in _sink_input_list) {
+ /* Phone stream is always corked, so handle it differently */
+ if (i.corked == 1 && _sink_input_hash.get (i.index) != _objp_role_phone)
+ remove_sink_input_from_list (i.index);
+ } else {
+ if (i.corked == 0)
+ add_sink_input_into_list (i);
+ }
+ }
+
+ private void source_output_info_cb (Context c, SourceOutputInfo? i, int eol)
+ {
+ if (i == null)
+ return;
+
+ unowned string role = i.proplist.gets (PulseAudio.Proplist.PROP_MEDIA_ROLE);
+ if (role == "phone" || role == "production") {
+ this.active_mic = true;
+ this._source_sink_mic_activated = true;
+ }
+ }
+
+ private void context_state_callback (Context c)
+ {
+ switch (c.get_state ()) {
+ case Context.State.READY:
+ if (_pulse_use_stream_restore) {
+ c.subscribe (PulseAudio.Context.SubscriptionMask.SINK |
+ PulseAudio.Context.SubscriptionMask.SINK_INPUT |
+ PulseAudio.Context.SubscriptionMask.SOURCE |
+ PulseAudio.Context.SubscriptionMask.SOURCE_OUTPUT);
+ } else {
+ c.subscribe (PulseAudio.Context.SubscriptionMask.SINK |
+ PulseAudio.Context.SubscriptionMask.SOURCE |
+ PulseAudio.Context.SubscriptionMask.SOURCE_OUTPUT);
+ }
+ c.set_subscribe_callback (context_events_cb);
+ update_sink ();
+ update_source ();
+ this.ready = true; // true because we're connected to the pulse server
+ break;
+
+ case Context.State.FAILED:
+ case Context.State.TERMINATED:
+ if (_reconnect_timer == 0)
+ _reconnect_timer = Timeout.add_seconds (2, reconnect_timeout);
+ break;
+
+ default:
+ this.ready = false;
+ break;
+ }
+ }
+
+ bool reconnect_timeout ()
+ {
+ _reconnect_timer = 0;
+ reconnect_to_pulse ();
+ return Source.REMOVE;
+ }
+
+ void reconnect_to_pulse ()
+ {
+ if (this.ready) {
+ this.context.disconnect ();
+ this.context = null;
+ this.ready = false;
+ }
/* FIXME: Ubuntu Settings Daemon specifics */
- var props = new Proplist ();
- props.sets (Proplist.PROP_APPLICATION_NAME, "Ubuntu Audio Settings");
- props.sets (Proplist.PROP_APPLICATION_ID, "com.canonical.settings.sound");
- props.sets (Proplist.PROP_APPLICATION_ICON_NAME, "multimedia-volume-control");
- props.sets (Proplist.PROP_APPLICATION_VERSION, "0.1");
-
- reconnect_pulse_dbus ();
-
- this.context = new PulseAudio.Context (loop.get_api(), null, props);
- this.context.set_state_callback (context_state_callback);
-
- unowned string server_string = Environment.get_variable("PULSE_SERVER");
- if (context.connect(server_string, Context.Flags.NOFAIL, null) < 0)
- warning( "pa_context_connect() failed: %s\n", PulseAudio.strerror(context.errno()));
- }
-
- void sink_info_list_callback_set_mute (PulseAudio.Context context, PulseAudio.SinkInfo? sink, int eol) {
- if (sink != null)
- context.set_sink_mute_by_index (sink.index, true, null);
- }
-
- void sink_info_list_callback_unset_mute (PulseAudio.Context context, PulseAudio.SinkInfo? sink, int eol) {
- if (sink != null)
- context.set_sink_mute_by_index (sink.index, false, null);
- }
-
- /* Mute operations */
- bool set_mute_internal (bool mute)
- {
- return_val_if_fail (context.get_state () == Context.State.READY, false);
-
- if (_mute != mute) {
- if (mute)
- context.get_sink_info_list (sink_info_list_callback_set_mute);
- else
- context.get_sink_info_list (sink_info_list_callback_unset_mute);
- return true;
- } else {
- return false;
- }
- }
-
- public override void set_mute (bool mute)
- {
- if (set_mute_internal (mute))
- _accounts_service_access.mute = mute;
- }
-
- public void toggle_mute ()
- {
- this.set_mute (!this._mute);
- }
-
- public override bool mute
- {
- get
- {
- return this._mute;
- }
- }
-
- public override VolumeControl.ActiveOutput active_output()
- {
- return _active_output;
- }
-
- /* Volume operations */
- public static PulseAudio.Volume double_to_volume (double vol)
- {
- double tmp = (double)(PulseAudio.Volume.NORM - PulseAudio.Volume.MUTED) * vol;
- return (PulseAudio.Volume)tmp + PulseAudio.Volume.MUTED;
- }
-
- public static double volume_to_double (PulseAudio.Volume vol)
- {
- double tmp = (double)(vol - PulseAudio.Volume.MUTED);
- return tmp / (double)(PulseAudio.Volume.NORM - PulseAudio.Volume.MUTED);
- }
-
- private void set_volume_success_cb (Context c, int success)
- {
- if ((bool)success)
- this.notify_property("volume");
- }
-
- private void sink_info_set_volume_cb (Context c, SinkInfo? i, int eol)
- {
- if (i == null)
- return;
-
- unowned CVolume cvol = i.volume;
- cvol.scale (double_to_volume (_volume.volume));
- c.set_sink_volume_by_index (i.index, cvol, set_volume_success_cb);
- }
-
- private void server_info_cb_for_set_volume (Context c, ServerInfo? i)
- {
- if (i == null)
- {
- warning ("Could not get PulseAudio server info");
- return;
- }
-
- context.get_sink_info_by_name (i.default_sink_name, sink_info_set_volume_cb);
- }
-
- private async void set_volume_active_role ()
- {
- string active_role_objp = _objp_role_alert;
-
- if (_active_sink_input != -1 && _active_sink_input in _sink_input_list)
- active_role_objp = _sink_input_hash.get (_active_sink_input);
-
- try {
- double vol = _volume.volume;
- var builder = new VariantBuilder (new VariantType ("a(uu)"));
- builder.add ("(uu)", 0, double_to_volume (vol));
- Variant volume = builder.end ();
-
- /* Increase the signal counter so we can handle the callback */
- lock (_pa_volume_sig_count) {
- _pa_volume_sig_count++;
- }
-
- yield _pconn.call ("org.PulseAudio.Ext.StreamRestore1.RestoreEntry",
- active_role_objp, "org.freedesktop.DBus.Properties", "Set",
- new Variant ("(ssv)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry", "Volume", volume),
- null, DBusCallFlags.NONE, -1);
- } catch (GLib.Error e) {
- lock (_pa_volume_sig_count) {
- _pa_volume_sig_count--;
- }
- warning ("unable to set volume for stream obj path %s (%s)", active_role_objp, e.message);
- }
- }
-
- void set_mic_volume_success_cb (Context c, int success)
- {
- if ((bool)success)
- this.notify_property ("mic-volume");
- }
-
- void set_mic_volume_get_server_info_cb (PulseAudio.Context c, PulseAudio.ServerInfo? i) {
- if (i != null) {
- unowned CVolume cvol = CVolume ();
- cvol.set (1, double_to_volume (_mic_volume));
- c.set_source_volume_by_name (i.default_source_name, cvol, set_mic_volume_success_cb);
- }
- }
-
- public override VolumeControl.Volume volume {
- get {
- return _volume;
- }
- set {
- var volume_changed = (value.volume != _volume.volume);
- debug("Setting volume to %f for profile %d because %d", value.volume, _active_sink_input, value.reason);
-
- _volume = value;
-
- /* Make sure we're connected to Pulse and pulse didn't give us the change */
- if (context.get_state () == Context.State.READY &&
- _volume.reason != VolumeControl.VolumeReasons.PULSE_CHANGE &&
- volume_changed)
- if (_pulse_use_stream_restore)
- set_volume_active_role.begin ();
- else
- context.get_server_info (server_info_cb_for_set_volume);
-
-
- if (volume.reason != VolumeControl.VolumeReasons.ACCOUNTS_SERVICE_SET
- && volume_changed) {
- start_local_volume_timer();
- }
- }
- }
-
- /** MIC VOLUME PROPERTY */
-
- public override double mic_volume {
- get {
- return _mic_volume;
- }
- set {
- return_if_fail (context.get_state () == Context.State.READY);
-
- _mic_volume = value;
-
- context.get_server_info (set_mic_volume_get_server_info_cb);
- }
- }
-
- public static DBusConnection? create_pulse_dbus_connection()
- {
- unowned string pulse_dbus_server_env = Environment.get_variable ("PULSE_DBUS_SERVER");
- string address;
-
- if (pulse_dbus_server_env != null) {
- address = pulse_dbus_server_env;
- } else {
- DBusConnection conn;
- Variant props;
-
- try {
- conn = Bus.get_sync (BusType.SESSION);
- } catch (GLib.IOError e) {
- warning ("unable to get the dbus session bus: %s", e.message);
- return null;
- }
-
- try {
- var props_variant = conn.call_sync ("org.PulseAudio1",
- "/org/pulseaudio/server_lookup1", "org.freedesktop.DBus.Properties",
- "Get", new Variant ("(ss)", "org.PulseAudio.ServerLookup1", "Address"),
- null, DBusCallFlags.NONE, -1);
- props_variant.get ("(v)", out props);
- address = props.get_string ();
- } catch (GLib.Error e) {
- warning ("unable to get pulse unix socket: %s", e.message);
- return null;
- }
- }
-
- DBusConnection conn = null;
- try {
- conn = new DBusConnection.for_address_sync (address, DBusConnectionFlags.AUTHENTICATION_CLIENT);
- } catch (GLib.Error e) {
- GLib.warning("Unable to connect to dbus server at '%s': %s", address, e.message);
- /* If it fails, it means the dbus pulse extension is not available */
- }
- GLib.debug ("PulseAudio dbus address is '%s', connection is '%p'", address, conn);
- return conn;
- }
-
- /* PulseAudio Dbus (Stream Restore) logic */
- private void reconnect_pulse_dbus ()
- {
- /* In case of a reconnect */
- _pulse_use_stream_restore = false;
- _pa_volume_sig_count = 0;
-
- _pconn = create_pulse_dbus_connection();
- if (_pconn == null)
- return;
-
- /* For pulse dbus related events */
- _pconn.add_filter (pulse_dbus_filter);
-
- /* Check if the 4 currently supported media roles are already available in StreamRestore
- * Roles: multimedia, alert, alarm and phone */
- _objp_role_multimedia = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:multimedia");
- _objp_role_alert = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:alert");
- _objp_role_alarm = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:alarm");
- _objp_role_phone = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:phone");
-
- /* Only use stream restore if every used role is available */
- if (_objp_role_multimedia != null && _objp_role_alert != null && _objp_role_alarm != null && _objp_role_phone != null) {
- debug ("Using PulseAudio DBUS Stream Restore module");
- /* Restore volume and update default entry */
- update_active_sink_input.begin (-1);
- _pulse_use_stream_restore = true;
- }
- }
-
- public static string? stream_restore_get_object_path (DBusConnection pconn, string name) {
- string? objp = null;
- try {
- Variant props_variant = pconn.call_sync ("org.PulseAudio.Ext.StreamRestore1",
- "/org/pulseaudio/stream_restore1", "org.PulseAudio.Ext.StreamRestore1",
- "GetEntryByName", new Variant ("(s)", name), null, DBusCallFlags.NONE, -1);
- /* Workaround for older versions of vala that don't provide get_objv */
- VariantIter iter = props_variant.iterator ();
- iter.next ("o", &objp);
- debug ("Found obj path %s for restore data named %s\n", objp, name);
- } catch (GLib.Error e) {
- warning ("unable to find stream restore data for: %s. Error: %s", name, e.message);
- }
- return objp;
- }
-
- /* AccountsService operations */
-
- private void start_local_volume_timer()
- {
- // perform a slow sync with the accounts service. max at 1 per second.
-
- // stop the AS update timer, as since we're going to be setting the volume.
- stop_account_service_volume_timer();
-
- if (_local_volume_timer == 0) {
- _accounts_service_access.volume = _volume.volume;
- _local_volume_timer = Timeout.add_seconds (1, local_volume_changed_timeout);
- } else {
- _send_next_local_volume = true;
- }
- }
-
- private void stop_local_volume_timer()
- {
- if (_local_volume_timer != 0) {
- Source.remove (_local_volume_timer);
- _local_volume_timer = 0;
- }
- }
-
- bool local_volume_changed_timeout()
- {
- _local_volume_timer = 0;
- if (_send_next_local_volume) {
- _send_next_local_volume = false;
- start_local_volume_timer ();
- }
- return Source.REMOVE;
- }
-
- private void start_account_service_volume_timer()
- {
- if (_accountservice_volume_timer == 0) {
- // If we haven't been messing with local volume recently, apply immediately.
- if (_local_volume_timer == 0) {
- var vol = new VolumeControl.Volume();
- vol.volume = _account_service_volume;
- vol.reason = VolumeControl.VolumeReasons.ACCOUNTS_SERVICE_SET;
- this.volume = vol;
- return;
- }
- // Else check again in another second if needed.
- // (if AS is throwing us lots of notifications, we update at most once a second)
- _accountservice_volume_timer = Timeout.add_seconds (1, accountservice_volume_changed_timeout);
- }
- }
-
- private void stop_account_service_volume_timer()
- {
- if (_accountservice_volume_timer != 0) {
- Source.remove (_accountservice_volume_timer);
- _accountservice_volume_timer = 0;
- }
- }
-
- bool accountservice_volume_changed_timeout ()
- {
- _accountservice_volume_timer = 0;
- start_account_service_volume_timer ();
- return Source.REMOVE;
- }
+ var props = new Proplist ();
+ props.sets (Proplist.PROP_APPLICATION_NAME, "Ubuntu Audio Settings");
+ props.sets (Proplist.PROP_APPLICATION_ID, "com.canonical.settings.sound");
+ props.sets (Proplist.PROP_APPLICATION_ICON_NAME, "multimedia-volume-control");
+ props.sets (Proplist.PROP_APPLICATION_VERSION, "0.1");
+
+ reconnect_pulse_dbus ();
+
+ this.context = new PulseAudio.Context (loop.get_api(), null, props);
+ this.context.set_state_callback (context_state_callback);
+
+ unowned string server_string = Environment.get_variable("PULSE_SERVER");
+ if (context.connect(server_string, Context.Flags.NOFAIL, null) < 0)
+ warning( "pa_context_connect() failed: %s\n", PulseAudio.strerror(context.errno()));
+ }
+
+ void sink_info_list_callback_set_mute (PulseAudio.Context context, PulseAudio.SinkInfo? sink, int eol) {
+ if (sink != null)
+ context.set_sink_mute_by_index (sink.index, true, null);
+ }
+
+ void sink_info_list_callback_unset_mute (PulseAudio.Context context, PulseAudio.SinkInfo? sink, int eol) {
+ if (sink != null)
+ context.set_sink_mute_by_index (sink.index, false, null);
+ }
+
+ /* Mute operations */
+ bool set_mute_internal (bool mute)
+ {
+ return_val_if_fail (context.get_state () == Context.State.READY, false);
+
+ if (_mute != mute) {
+ if (mute)
+ context.get_sink_info_list (sink_info_list_callback_set_mute);
+ else
+ context.get_sink_info_list (sink_info_list_callback_unset_mute);
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ public override void set_mute (bool mute)
+ {
+ if (set_mute_internal (mute))
+ _accounts_service_access.mute = mute;
+ }
+
+ public void toggle_mute ()
+ {
+ this.set_mute (!this._mute);
+ }
+
+ public override bool mute
+ {
+ get
+ {
+ return this._mute;
+ }
+ }
+
+ public override VolumeControl.ActiveOutput active_output()
+ {
+ return _active_output;
+ }
+
+ /* Volume operations */
+ public static PulseAudio.Volume double_to_volume (double vol)
+ {
+ double tmp = (double)(PulseAudio.Volume.NORM - PulseAudio.Volume.MUTED) * vol;
+ return (PulseAudio.Volume)tmp + PulseAudio.Volume.MUTED;
+ }
+
+ public static double volume_to_double (PulseAudio.Volume vol)
+ {
+ double tmp = (double)(vol - PulseAudio.Volume.MUTED);
+ return tmp / (double)(PulseAudio.Volume.NORM - PulseAudio.Volume.MUTED);
+ }
+
+ private void set_volume_success_cb (Context c, int success)
+ {
+ if ((bool)success)
+ this.notify_property("volume");
+ }
+
+ private void sink_info_set_volume_cb (Context c, SinkInfo? i, int eol)
+ {
+ if (i == null)
+ return;
+
+ unowned CVolume cvol = i.volume;
+ cvol.scale (double_to_volume (_volume.volume));
+ c.set_sink_volume_by_index (i.index, cvol, set_volume_success_cb);
+ }
+
+ private void server_info_cb_for_set_volume (Context c, ServerInfo? i)
+ {
+ if (i == null)
+ {
+ warning ("Could not get PulseAudio server info");
+ return;
+ }
+
+ context.get_sink_info_by_name (i.default_sink_name, sink_info_set_volume_cb);
+ }
+
+ private async void set_volume_active_role ()
+ {
+ string active_role_objp = _objp_role_alert;
+
+ if (_active_sink_input != -1 && _active_sink_input in _sink_input_list)
+ active_role_objp = _sink_input_hash.get (_active_sink_input);
+
+ try {
+ double vol = _volume.volume;
+ var builder = new VariantBuilder (new VariantType ("a(uu)"));
+ builder.add ("(uu)", 0, double_to_volume (vol));
+ Variant volume = builder.end ();
+
+ /* Increase the signal counter so we can handle the callback */
+ lock (_pa_volume_sig_count) {
+ _pa_volume_sig_count++;
+ }
+
+ yield _pconn.call ("org.PulseAudio.Ext.StreamRestore1.RestoreEntry",
+ active_role_objp, "org.freedesktop.DBus.Properties", "Set",
+ new Variant ("(ssv)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry", "Volume", volume),
+ null, DBusCallFlags.NONE, -1);
+ } catch (GLib.Error e) {
+ lock (_pa_volume_sig_count) {
+ _pa_volume_sig_count--;
+ }
+ warning ("unable to set volume for stream obj path %s (%s)", active_role_objp, e.message);
+ }
+ }
+
+ void set_mic_volume_success_cb (Context c, int success)
+ {
+ if ((bool)success)
+ this.notify_property ("mic-volume");
+ }
+
+ void set_mic_volume_get_server_info_cb (PulseAudio.Context c, PulseAudio.ServerInfo? i) {
+ if (i != null) {
+ unowned CVolume cvol = CVolume ();
+ cvol.set (1, double_to_volume (_mic_volume));
+ c.set_source_volume_by_name (i.default_source_name, cvol, set_mic_volume_success_cb);
+ }
+ }
+
+ public override VolumeControl.Volume volume {
+ get {
+ return _volume;
+ }
+ set {
+ var volume_changed = (value.volume != _volume.volume);
+ debug("Setting volume to %f for profile %d because %d", value.volume, _active_sink_input, value.reason);
+
+ _volume = value;
+
+ /* Make sure we're connected to Pulse and pulse didn't give us the change */
+ if (context.get_state () == Context.State.READY &&
+ _volume.reason != VolumeControl.VolumeReasons.PULSE_CHANGE &&
+ volume_changed)
+ if (_pulse_use_stream_restore)
+ set_volume_active_role.begin ();
+ else
+ context.get_server_info (server_info_cb_for_set_volume);
+
+
+ if (volume.reason != VolumeControl.VolumeReasons.ACCOUNTS_SERVICE_SET
+ && volume_changed) {
+ start_local_volume_timer();
+ }
+ }
+ }
+
+ /** MIC VOLUME PROPERTY */
+
+ public override double mic_volume {
+ get {
+ return _mic_volume;
+ }
+ set {
+ return_if_fail (context.get_state () == Context.State.READY);
+
+ _mic_volume = value;
+
+ context.get_server_info (set_mic_volume_get_server_info_cb);
+ }
+ }
+
+ public static DBusConnection? create_pulse_dbus_connection()
+ {
+ unowned string pulse_dbus_server_env = Environment.get_variable ("PULSE_DBUS_SERVER");
+ string address;
+
+ if (pulse_dbus_server_env != null) {
+ address = pulse_dbus_server_env;
+ } else {
+ DBusConnection conn;
+ Variant props;
+
+ try {
+ conn = Bus.get_sync (BusType.SESSION);
+ } catch (GLib.IOError e) {
+ warning ("unable to get the dbus session bus: %s", e.message);
+ return null;
+ }
+
+ try {
+ var props_variant = conn.call_sync ("org.PulseAudio1",
+ "/org/pulseaudio/server_lookup1", "org.freedesktop.DBus.Properties",
+ "Get", new Variant ("(ss)", "org.PulseAudio.ServerLookup1", "Address"),
+ null, DBusCallFlags.NONE, -1);
+ props_variant.get ("(v)", out props);
+ address = props.get_string ();
+ } catch (GLib.Error e) {
+ warning ("unable to get pulse unix socket: %s", e.message);
+ return null;
+ }
+ }
+
+ DBusConnection conn = null;
+ try {
+ conn = new DBusConnection.for_address_sync (address, DBusConnectionFlags.AUTHENTICATION_CLIENT);
+ } catch (GLib.Error e) {
+ GLib.warning("Unable to connect to dbus server at '%s': %s", address, e.message);
+ /* If it fails, it means the dbus pulse extension is not available */
+ }
+ GLib.debug ("PulseAudio dbus address is '%s', connection is '%p'", address, conn);
+ return conn;
+ }
+
+ /* PulseAudio Dbus (Stream Restore) logic */
+ private void reconnect_pulse_dbus ()
+ {
+ /* In case of a reconnect */
+ _pulse_use_stream_restore = false;
+ _pa_volume_sig_count = 0;
+
+ _pconn = create_pulse_dbus_connection();
+ if (_pconn == null)
+ return;
+
+ /* For pulse dbus related events */
+ _pconn.add_filter (pulse_dbus_filter);
+
+ /* Check if the 4 currently supported media roles are already available in StreamRestore
+ * Roles: multimedia, alert, alarm and phone */
+ _objp_role_multimedia = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:multimedia");
+ _objp_role_alert = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:alert");
+ _objp_role_alarm = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:alarm");
+ _objp_role_phone = stream_restore_get_object_path (_pconn, "sink-input-by-media-role:phone");
+
+ /* Only use stream restore if every used role is available */
+ if (_objp_role_multimedia != null && _objp_role_alert != null && _objp_role_alarm != null && _objp_role_phone != null) {
+ debug ("Using PulseAudio DBUS Stream Restore module");
+ /* Restore volume and update default entry */
+ update_active_sink_input.begin (-1);
+ _pulse_use_stream_restore = true;
+ }
+ }
+
+ public static string? stream_restore_get_object_path (DBusConnection pconn, string name) {
+ string? objp = null;
+ try {
+ Variant props_variant = pconn.call_sync ("org.PulseAudio.Ext.StreamRestore1",
+ "/org/pulseaudio/stream_restore1", "org.PulseAudio.Ext.StreamRestore1",
+ "GetEntryByName", new Variant ("(s)", name), null, DBusCallFlags.NONE, -1);
+ /* Workaround for older versions of vala that don't provide get_objv */
+ VariantIter iter = props_variant.iterator ();
+ iter.next ("o", &objp);
+ debug ("Found obj path %s for restore data named %s\n", objp, name);
+ } catch (GLib.Error e) {
+ warning ("unable to find stream restore data for: %s. Error: %s", name, e.message);
+ }
+ return objp;
+ }
+
+ /* AccountsService operations */
+
+ private void start_local_volume_timer()
+ {
+ // perform a slow sync with the accounts service. max at 1 per second.
+
+ // stop the AS update timer, as since we're going to be setting the volume.
+ stop_account_service_volume_timer();
+
+ if (_local_volume_timer == 0) {
+ _accounts_service_access.volume = _volume.volume;
+ _local_volume_timer = Timeout.add_seconds (1, local_volume_changed_timeout);
+ } else {
+ _send_next_local_volume = true;
+ }
+ }
+
+ private void stop_local_volume_timer()
+ {
+ if (_local_volume_timer != 0) {
+ Source.remove (_local_volume_timer);
+ _local_volume_timer = 0;
+ }
+ }
+
+ bool local_volume_changed_timeout()
+ {
+ _local_volume_timer = 0;
+ if (_send_next_local_volume) {
+ _send_next_local_volume = false;
+ start_local_volume_timer ();
+ }
+ return Source.REMOVE;
+ }
+
+ private void start_account_service_volume_timer()
+ {
+ if (_accountservice_volume_timer == 0) {
+ // If we haven't been messing with local volume recently, apply immediately.
+ if (_local_volume_timer == 0) {
+ var vol = new VolumeControl.Volume();
+ vol.volume = _account_service_volume;
+ vol.reason = VolumeControl.VolumeReasons.ACCOUNTS_SERVICE_SET;
+ this.volume = vol;
+ return;
+ }
+ // Else check again in another second if needed.
+ // (if AS is throwing us lots of notifications, we update at most once a second)
+ _accountservice_volume_timer = Timeout.add_seconds (1, accountservice_volume_changed_timeout);
+ }
+ }
+
+ private void stop_account_service_volume_timer()
+ {
+ if (_accountservice_volume_timer != 0) {
+ Source.remove (_accountservice_volume_timer);
+ _accountservice_volume_timer = 0;
+ }
+ }
+
+ bool accountservice_volume_changed_timeout ()
+ {
+ _accountservice_volume_timer = 0;
+ start_account_service_volume_timer ();
+ return Source.REMOVE;
+ }
}