diff options
| -rw-r--r-- | src/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/volume-control.vala | 245 |
2 files changed, 241 insertions, 5 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 98bc7c4..3cab736 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -21,6 +21,7 @@ vala_init(indicator-sound-service accounts-service PACKAGES config + gee-1.0 gio-2.0 gio-unix-2.0 libxml-2.0 diff --git a/src/volume-control.vala b/src/volume-control.vala index 2efa186..cfc865e 100644 --- a/src/volume-control.vala +++ b/src/volume-control.vala @@ -19,6 +19,7 @@ */ using PulseAudio; +using Gee; [CCode(cname="pa_cvolume_set", cheader_filename = "pulse/volume.h")] extern unowned PulseAudio.CVolume? vol_set (PulseAudio.CVolume? cv, uint channels, PulseAudio.Volume v); @@ -43,6 +44,18 @@ public class VolumeControl : Object private double _volume = 0.0; private double _mic_volume = 0.0; + /* Used by the pulseaudio stream restore extension */ + private DBusConnection _pconn; + 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 uint32 _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 DBusProxy _user_proxy; private GreeterListInterface _greeter_proxy; private Cancellable _mute_cancellable; @@ -92,6 +105,26 @@ public class VolumeControl : Object 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: + stdout.printf ("Sink input event not known\n"); + break; + } + break; + case Context.SubscriptionEventType.SOURCE: update_source (); break; @@ -129,7 +162,8 @@ public class VolumeControl : Object this.notify_property ("is-playing"); } - if (_volume != volume_to_double (i.volume.values[0])) + if (_pulse_use_stream_restore == false && + _volume != volume_to_double (i.volume.values[0])) { _volume = volume_to_double (i.volume.values[0]); volume_changed (_volume); @@ -170,6 +204,100 @@ public class VolumeControl : Object context.get_server_info (update_source_get_server_info_cb); } + private void update_active_sink_input (uint32 index) + { + if (index != _active_sink_input && (index == -1 || 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; + + uint32 type = 0; + uint32 volume = 0; + + try { + var props_variant = _pconn.call_sync ("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 = null; + props_variant.get ("(v)", out tmp); + VariantIter iter = tmp.iterator (); + iter.next ("(uu)", &type, &volume); + + _volume = volume_to_double (volume); + volume_changed (_volume); + } 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 i) + { + /* We're only adding ones that are not corked and with a valid role */ + var role = i.proplist.gets (PulseAudio.Proplist.PROP_MEDIA_ROLE); + + if (role != null && role in _valid_roles) { + if (i.corked == 0 || role == "phone") { + _sink_input_list.insert (0, i.index); + switch (role) + { + case "multimedia": + _sink_input_hash.set (i.index, _objp_role_multimedia); + break; + case "alert": + _sink_input_hash.set (i.index, _objp_role_alert); + break; + case "alarm": + _sink_input_hash.set (i.index, _objp_role_alarm); + break; + case "phone": + _sink_input_hash.set (i.index, _objp_role_phone); + break; + } + if (_sink_input_hash.get (_active_sink_input) != _objp_role_phone) + update_active_sink_input (i.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 (_sink_input_list.get (0)); + else + update_active_sink_input (-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) { + if (i.corked == 1) + 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) @@ -184,9 +312,16 @@ public class VolumeControl : Object { switch (c.get_state ()) { case Context.State.READY: - c.subscribe (PulseAudio.Context.SubscriptionMask.SINK | - PulseAudio.Context.SubscriptionMask.SOURCE | - PulseAudio.Context.SubscriptionMask.SOURCE_OUTPUT); + 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 (); @@ -226,11 +361,14 @@ public class VolumeControl : Object props.sets (Proplist.PROP_APPLICATION_ICON_NAME, "multimedia-volume-control"); props.sets (Proplist.PROP_APPLICATION_VERSION, "0.1"); + reconnect_pulse_stream_restore (); + this.context = new PulseAudio.Context (loop.get_api(), null, props); this.context.set_state_callback (context_state_callback); if (context.connect(null, 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) { @@ -325,13 +463,39 @@ public class VolumeControl : Object context.get_sink_info_by_name (i.default_sink_name, sink_info_set_volume_cb); } + private void set_volume_active_role () + { + string active_role_objp = _objp_role_alert; + + if (_active_sink_input != -1) + active_role_objp = _sink_input_hash.get (_active_sink_input); + + try { + var builder = new VariantBuilder (new VariantType ("a(uu)")); + builder.add ("(uu)", 0, double_to_volume (_volume)); + Variant volume = builder.end (); + + _pconn.call_sync ("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); + + volume_changed (_volume); + } catch (GLib.Error e) { + warning ("unable to set volume for stream obj path %s (%s)", active_role_objp, e.message); + } + } + bool set_volume_internal (double volume) { return_val_if_fail (context.get_state () == Context.State.READY, false); if (_volume != volume) { _volume = volume; - context.get_server_info (server_info_cb_for_set_volume); + if (_pulse_use_stream_restore) + set_volume_active_role (); + else + context.get_server_info (server_info_cb_for_set_volume); return true; } else { return false; @@ -377,6 +541,77 @@ public class VolumeControl : Object return _mic_volume; } + /* PulseAudio Stream Restore logic */ + private void reconnect_pulse_stream_restore () + { + unowned string pulse_dbus_server_env = Environment.get_variable ("PULSE_DBUS_SERVER"); + string address; + + /* In case of a reconnect */ + _pulse_use_stream_restore = false; + + 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; + } + + 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; + } + } + + stdout.printf ("PulseAudio dbus unix socket: %s\n", address); + try { + _pconn = new DBusConnection.for_address_sync (address, DBusConnectionFlags.AUTHENTICATION_CLIENT); + } catch (GLib.Error e) { + /* If it fails, it means the dbus pulse extension is not available */ + return; + } + + /* 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 ("sink-input-by-media-role:multimedia"); + _objp_role_alert = stream_restore_get_object_path ("sink-input-by-media-role:alert"); + _objp_role_alarm = stream_restore_get_object_path ("sink-input-by-media-role:alarm"); + _objp_role_phone = stream_restore_get_object_path ("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) + _pulse_use_stream_restore = true; + } + + private string? stream_restore_get_object_path (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); + stdout.printf ("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", name); + } + return objp; + } + /* AccountsService operations */ private void accountsservice_props_changed_cb (DBusProxy proxy, Variant changed_properties, string[] invalidated_properties) { |