/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2006-2008 Lennart Poettering * Copyright (C) 2008 Sjoerd Simons * Copyright (C) 2008 William Jon McCann * Copyright (C) 2012 Conor Curran * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #include "config.h" #include #include #include #include #include #include #include #include #include "gvc-mixer-control.h" #include "gvc-mixer-sink.h" #include "gvc-mixer-source.h" #include "gvc-mixer-sink-input.h" #include "gvc-mixer-source-output.h" #include "gvc-mixer-event-role.h" #include "gvc-mixer-card.h" #include "gvc-mixer-card-private.h" #include "gvc-channel-map-private.h" #include "gvc-mixer-control-private.h" #include "gvc-mixer-ui-device.h" #define GVC_MIXER_CONTROL_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_MIXER_CONTROL, GvcMixerControlPrivate)) #define RECONNECT_DELAY 5 enum { PROP_0, PROP_NAME }; struct GvcMixerControlPrivate { pa_glib_mainloop *pa_mainloop; pa_mainloop_api *pa_api; pa_context *pa_context; int n_outstanding; guint reconnect_id; char *name; gboolean default_sink_is_set; guint default_sink_id; char *default_sink_name; gboolean default_source_is_set; guint default_source_id; char *default_source_name; gboolean event_sink_input_is_set; guint event_sink_input_id; GHashTable *all_streams; GHashTable *sinks; /* fixed outputs */ GHashTable *sources; /* fixed inputs */ GHashTable *sink_inputs; /* routable output streams */ GHashTable *source_outputs; /* routable input streams */ GHashTable *clients; GHashTable *cards; GvcMixerStream *new_default_sink_stream; /* new default sink stream, used in gvc_mixer_control_set_default_sink () */ GvcMixerStream *new_default_source_stream; /* new default source stream, used in gvc_mixer_control_set_default_source () */ GHashTable *ui_outputs; /* UI visible outputs */ GHashTable *ui_inputs; /* UI visible inputs */ /* When we change profile on a device that is not the server default sink, * it will jump back to the default sink set by the server to prevent the * audio setup from being 'outputless'. * * All well and good but then when we get the new stream created for the * new profile how do we know that this is the intended default or selected * device the user wishes to use. */ guint profile_swapping_device_id; GvcMixerControlState state; }; enum { STATE_CHANGED, STREAM_ADDED, STREAM_REMOVED, CARD_ADDED, CARD_REMOVED, DEFAULT_SINK_CHANGED, DEFAULT_SOURCE_CHANGED, ACTIVE_OUTPUT_UPDATE, ACTIVE_INPUT_UPDATE, OUTPUT_ADDED, INPUT_ADDED, OUTPUT_REMOVED, INPUT_REMOVED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0, }; static void gvc_mixer_control_class_init (GvcMixerControlClass *klass); static void gvc_mixer_control_init (GvcMixerControl *mixer_control); static void gvc_mixer_control_finalize (GObject *object); G_DEFINE_TYPE (GvcMixerControl, gvc_mixer_control, G_TYPE_OBJECT) pa_context * gvc_mixer_control_get_pa_context (GvcMixerControl *control) { g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); return control->priv->pa_context; } /** * gvc_mixer_control_get_event_sink_input: * @control: * * Returns: (transfer none): */ GvcMixerStream * gvc_mixer_control_get_event_sink_input (GvcMixerControl *control) { GvcMixerStream *stream; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); stream = g_hash_table_lookup (control->priv->all_streams, GUINT_TO_POINTER (control->priv->event_sink_input_id)); return stream; } static void gvc_mixer_control_stream_restore_cb (pa_context *c, GvcMixerStream *new_stream, const pa_ext_stream_restore_info *info, GvcMixerControl *control) { pa_operation *o; pa_ext_stream_restore_info new_info; if (new_stream == NULL) return; new_info.name = info->name; new_info.channel_map = info->channel_map; new_info.volume = info->volume; new_info.mute = info->mute; new_info.device = gvc_mixer_stream_get_name (new_stream); o = pa_ext_stream_restore_write (control->priv->pa_context, PA_UPDATE_REPLACE, &new_info, 1, TRUE, NULL, NULL); if (o == NULL) { g_warning ("pa_ext_stream_restore_write() failed: %s", pa_strerror (pa_context_errno (control->priv->pa_context))); return; } g_debug ("Changed default device for %s to %s", info->name, new_info.device); pa_operation_unref (o); } static void gvc_mixer_control_stream_restore_sink_cb (pa_context *c, const pa_ext_stream_restore_info *info, int eol, void *userdata) { GvcMixerControl *control = (GvcMixerControl *) userdata; if (eol || info == NULL || !g_str_has_prefix(info->name, "sink-input-by")) return; gvc_mixer_control_stream_restore_cb (c, control->priv->new_default_sink_stream, info, control); } static void gvc_mixer_control_stream_restore_source_cb (pa_context *c, const pa_ext_stream_restore_info *info, int eol, void *userdata) { GvcMixerControl *control = (GvcMixerControl *) userdata; if (eol || info == NULL || !g_str_has_prefix(info->name, "source-output-by")) return; gvc_mixer_control_stream_restore_cb (c, control->priv->new_default_source_stream, info, control); } /** * gvc_mixer_control_lookup_device_from_stream: * @control: * @stream: * * Returns: (transfer none): a #GvcUIDevice or %NULL */ GvcMixerUIDevice * gvc_mixer_control_lookup_device_from_stream (GvcMixerControl *control, GvcMixerStream *stream) { GList *devices, *d; gboolean is_network_stream; const GList *ports; GvcMixerUIDevice *ret; if (GVC_IS_MIXER_SOURCE (stream)) devices = g_hash_table_get_values (control->priv->ui_inputs); else devices = g_hash_table_get_values (control->priv->ui_outputs); ret = NULL; ports = gvc_mixer_stream_get_ports (stream); is_network_stream = (ports == NULL); for (d = devices; d != NULL; d = d->next) { GvcMixerUIDevice *device = d->data; gint stream_id = G_MAXINT; g_object_get (G_OBJECT (device), "stream-id", &stream_id, NULL); if (is_network_stream && stream_id == gvc_mixer_stream_get_id (stream)) { g_debug ("lookup device from stream - %s - it is a network_stream ", gvc_mixer_ui_device_get_description (device)); ret = device; break; } else if (!is_network_stream) { const GvcMixerStreamPort *port; port = gvc_mixer_stream_get_port (stream); if (stream_id == gvc_mixer_stream_get_id (stream) && g_strcmp0 (gvc_mixer_ui_device_get_port (device), port->port) == 0) { g_debug ("lookup-device-from-stream found device: device description '%s', device port = '%s', device stream id %i AND stream port = '%s' stream id '%u' and stream description '%s'", gvc_mixer_ui_device_get_description (device), gvc_mixer_ui_device_get_port (device), stream_id, port->port, gvc_mixer_stream_get_id (stream), gvc_mixer_stream_get_description (stream)); ret = device; break; } } } g_debug ("gvc_mixer_control_lookup_device_from_stream - Could not find a device for stream '%s'",gvc_mixer_stream_get_description (stream)); g_list_free (devices); return ret; } gboolean gvc_mixer_control_set_default_sink (GvcMixerControl *control, GvcMixerStream *stream) { pa_operation *o; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE); g_return_val_if_fail (GVC_IS_MIXER_STREAM (stream), FALSE); g_debug ("about to set default sink on server"); o = pa_context_set_default_sink (control->priv->pa_context, gvc_mixer_stream_get_name (stream), NULL, NULL); if (o == NULL) { g_warning ("pa_context_set_default_sink() failed: %s", pa_strerror (pa_context_errno (control->priv->pa_context))); return FALSE; } pa_operation_unref (o); control->priv->new_default_sink_stream = stream; g_object_add_weak_pointer (G_OBJECT (stream), (gpointer *) &control->priv->new_default_sink_stream); o = pa_ext_stream_restore_read (control->priv->pa_context, gvc_mixer_control_stream_restore_sink_cb, control); if (o == NULL) { g_warning ("pa_ext_stream_restore_read() failed: %s", pa_strerror (pa_context_errno (control->priv->pa_context))); return FALSE; } pa_operation_unref (o); return TRUE; } gboolean gvc_mixer_control_set_default_source (GvcMixerControl *control, GvcMixerStream *stream) { GvcMixerUIDevice* input; pa_operation *o; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE); g_return_val_if_fail (GVC_IS_MIXER_STREAM (stream), FALSE); o = pa_context_set_default_source (control->priv->pa_context, gvc_mixer_stream_get_name (stream), NULL, NULL); if (o == NULL) { g_warning ("pa_context_set_default_source() failed"); return FALSE; } pa_operation_unref (o); control->priv->new_default_source_stream = stream; g_object_add_weak_pointer (G_OBJECT (stream), (gpointer *) &control->priv->new_default_source_stream); o = pa_ext_stream_restore_read (control->priv->pa_context, gvc_mixer_control_stream_restore_source_cb, control); if (o == NULL) { g_warning ("pa_ext_stream_restore_read() failed: %s", pa_strerror (pa_context_errno (control->priv->pa_context))); return FALSE; } pa_operation_unref (o); /* source change successful, update the UI. */ input = gvc_mixer_control_lookup_device_from_stream (control, stream); g_signal_emit (G_OBJECT (control), signals[ACTIVE_INPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (input)); return TRUE; } /** * gvc_mixer_control_get_default_sink: * @control: * * Returns: (transfer none): */ GvcMixerStream * gvc_mixer_control_get_default_sink (GvcMixerControl *control) { GvcMixerStream *stream; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); if (control->priv->default_sink_is_set) { stream = g_hash_table_lookup (control->priv->all_streams, GUINT_TO_POINTER (control->priv->default_sink_id)); } else { stream = NULL; } return stream; } /** * gvc_mixer_control_get_default_source: * @control: * * Returns: (transfer none): */ GvcMixerStream * gvc_mixer_control_get_default_source (GvcMixerControl *control) { GvcMixerStream *stream; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); if (control->priv->default_source_is_set) { stream = g_hash_table_lookup (control->priv->all_streams, GUINT_TO_POINTER (control->priv->default_source_id)); } else { stream = NULL; } return stream; } static gpointer gvc_mixer_control_lookup_id (GHashTable *hash_table, guint id) { return g_hash_table_lookup (hash_table, GUINT_TO_POINTER (id)); } /** * gvc_mixer_control_lookup_stream_id: * @control: * @id: * * Returns: (transfer none): */ GvcMixerStream * gvc_mixer_control_lookup_stream_id (GvcMixerControl *control, guint id) { g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); return gvc_mixer_control_lookup_id (control->priv->all_streams, id); } /** * gvc_mixer_control_lookup_card_id: * @control: * @id: * * Returns: (transfer none): */ GvcMixerCard * gvc_mixer_control_lookup_card_id (GvcMixerControl *control, guint id) { g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); return gvc_mixer_control_lookup_id (control->priv->cards, id); } /** * gvc_mixer_control_lookup_output_id: * @control: * @id: * * Returns: (transfer none): */ GvcMixerUIDevice * gvc_mixer_control_lookup_output_id (GvcMixerControl *control, guint id) { g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); return gvc_mixer_control_lookup_id (control->priv->ui_outputs, id); } /** * gvc_mixer_control_lookup_input_id: * @control: * @id: * * Returns: (transfer none): */ GvcMixerUIDevice * gvc_mixer_control_lookup_input_id (GvcMixerControl *control, guint id) { g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); return gvc_mixer_control_lookup_id (control->priv->ui_inputs, id); } /** * gvc_mixer_control_get_stream_from_device: * @control: * @device: * * Returns: (transfer none): */ GvcMixerStream * gvc_mixer_control_get_stream_from_device (GvcMixerControl *control, GvcMixerUIDevice *device) { gint stream_id; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); g_return_val_if_fail (GVC_IS_MIXER_UI_DEVICE (device), NULL); stream_id = gvc_mixer_ui_device_get_stream_id (device); if (stream_id == GVC_MIXER_UI_DEVICE_INVALID) { g_debug ("gvc_mixer_control_get_stream_from_device - device has a null stream"); return NULL; } return gvc_mixer_control_lookup_stream_id (control, stream_id); } /** * gvc_mixer_control_change_profile_on_selected_device: * @control: * @device: * @profile: Can be null if any profile present on this port is okay * * Returns: This method will attempt to swap the profile on the card of * the device with given profile name. If successfull it will set the * preferred profile on that device so as we know the next time the user * moves to that device it should have this profile active. */ gboolean gvc_mixer_control_change_profile_on_selected_device (GvcMixerControl *control, GvcMixerUIDevice *device, const gchar *profile) { const gchar *best_profile; GvcMixerCardProfile *current_profile; GvcMixerCard *card; g_object_get (G_OBJECT (device), "card", &card, NULL); current_profile = gvc_mixer_card_get_profile (card); if (current_profile) best_profile = gvc_mixer_ui_device_get_best_profile (device, profile, current_profile->profile); else best_profile = profile; g_assert (best_profile); g_debug ("Selected '%s', moving to profile '%s' on card '%s' on stream id %i", profile ? profile : "(any)", best_profile, gvc_mixer_card_get_name (card), gvc_mixer_ui_device_get_stream_id (device)); g_debug ("default sink name = %s and default sink id %u", control->priv->default_sink_name, control->priv->default_sink_id); control->priv->profile_swapping_device_id = gvc_mixer_ui_device_get_id (device); if (gvc_mixer_card_change_profile (card, best_profile)) { gvc_mixer_ui_device_set_user_preferred_profile (device, best_profile); return TRUE; } return FALSE; } /** * gvc_mixer_control_change_output: * @control: * @output: * This method is called from the UI when the user selects a previously unselected device. * - Firstly it queries the stream from the device. * - It assumes that if the stream is null that it cannot be a bluetooth or network stream (they never show unless they have valid sinks and sources) * In the scenario of a NULL stream on the device * - It fetches the device's preferred profile or if NUll the profile with the highest priority on that device. * - It then caches this device in control->priv->cached_desired_output_id so that when the update_sink triggered * from when we attempt to change profile we will know exactly what device to highlight on that stream. * - It attempts to swap the profile on the card from that device and returns. * - Next, it handles network or bluetooth streams that only require their stream to be made the default. * - Next it deals with port changes so if the stream's active port is not the same as the port on the device * it will attempt to change the port on that stream to be same as the device. If this fails it will return. * - Finally it will set this new stream to be the default stream and emit a signal for the UI confirming the active output device. */ void gvc_mixer_control_change_output (GvcMixerControl *control, GvcMixerUIDevice* output) { GvcMixerStream *stream; GvcMixerStream *default_stream; const GvcMixerStreamPort *active_port; const gchar *output_port; g_debug ("control change output"); stream = gvc_mixer_control_get_stream_from_device (control, output); if (stream == NULL) { gvc_mixer_control_change_profile_on_selected_device (control, output, NULL); return; } /* Handle a network sink as a portless or cardless device */ if (!gvc_mixer_ui_device_has_ports (output)) { g_debug ("Did we try to move to a software/bluetooth sink ?"); if (gvc_mixer_control_set_default_sink (control, stream)) { /* sink change was successful, update the UI.*/ g_signal_emit (G_OBJECT (control), signals[ACTIVE_OUTPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (output)); } else { g_warning ("Failed to set default sink with stream from output %s", gvc_mixer_ui_device_get_description (output)); } return; } active_port = gvc_mixer_stream_get_port (stream); output_port = gvc_mixer_ui_device_get_port (output); /* First ensure the correct port is active on the sink */ if (g_strcmp0 (active_port->port, output_port) != 0) { g_debug ("Port change, switch to = %s", output_port); if (gvc_mixer_stream_change_port (stream, output_port) == FALSE) { g_warning ("Could not change port !"); return; } } default_stream = gvc_mixer_control_get_default_sink (control); /* Finally if we are not on the correct stream, swap over. */ if (stream != default_stream) { GvcMixerUIDevice* output; g_debug ("Attempting to swap over to stream %s ", gvc_mixer_stream_get_description (stream)); if (gvc_mixer_control_set_default_sink (control, stream)) { output = gvc_mixer_control_lookup_device_from_stream (control, stream); g_signal_emit (G_OBJECT (control), signals[ACTIVE_OUTPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (output)); } else { /* If the move failed for some reason reset the UI. */ output = gvc_mixer_control_lookup_device_from_stream (control, default_stream); g_signal_emit (G_OBJECT (control), signals[ACTIVE_OUTPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (output)); } } } /** * gvc_mixer_control_change_input: * @control: * @input: * This method is called from the UI when the user selects a previously unselected device. * - Firstly it queries the stream from the device. * - It assumes that if the stream is null that it cannot be a bluetooth or network stream (they never show unless they have valid sinks and sources) * In the scenario of a NULL stream on the device * - It fetches the device's preferred profile or if NUll the profile with the highest priority on that device. * - It then caches this device in control->priv->cached_desired_input_id so that when the update_source triggered * from when we attempt to change profile we will know exactly what device to highlight on that stream. * - It attempts to swap the profile on the card from that device and returns. * - Next, it handles network or bluetooth streams that only require their stream to be made the default. * - Next it deals with port changes so if the stream's active port is not the same as the port on the device * it will attempt to change the port on that stream to be same as the device. If this fails it will return. * - Finally it will set this new stream to be the default stream and emit a signal for the UI confirming the active input device. */ void gvc_mixer_control_change_input (GvcMixerControl *control, GvcMixerUIDevice* input) { GvcMixerStream *stream; GvcMixerStream *default_stream; const GvcMixerStreamPort *active_port; const gchar *input_port; stream = gvc_mixer_control_get_stream_from_device (control, input); if (stream == NULL) { gvc_mixer_control_change_profile_on_selected_device (control, input, NULL); return; } /* Handle a network sink as a portless/cardless device */ if (!gvc_mixer_ui_device_has_ports (input)) { g_debug ("Did we try to move to a software/bluetooth source ?"); if (! gvc_mixer_control_set_default_source (control, stream)) { g_warning ("Failed to set default source with stream from input %s", gvc_mixer_ui_device_get_description (input)); } return; } active_port = gvc_mixer_stream_get_port (stream); input_port = gvc_mixer_ui_device_get_port (input); /* First ensure the correct port is active on the sink */ if (g_strcmp0 (active_port->port, input_port) != 0) { g_debug ("Port change, switch to = %s", input_port); if (gvc_mixer_stream_change_port (stream, input_port) == FALSE) { g_warning ("Could not change port!"); return; } } default_stream = gvc_mixer_control_get_default_source (control); /* Finally if we are not on the correct stream, swap over. */ if (stream != default_stream) { g_debug ("change-input - attempting to swap over to stream %s", gvc_mixer_stream_get_description (stream)); gvc_mixer_control_set_default_source (control, stream); } } static void listify_hash_values_hfunc (gpointer key, gpointer value, gpointer user_data) { GSList **list = user_data; *list = g_slist_prepend (*list, value); } static int gvc_name_collate (const char *namea, const char *nameb) { if (nameb == NULL && namea == NULL) return 0; if (nameb == NULL) return 1; if (namea == NULL) return -1; return g_utf8_collate (namea, nameb); } static int gvc_card_collate (GvcMixerCard *a, GvcMixerCard *b) { const char *namea; const char *nameb; g_return_val_if_fail (a == NULL || GVC_IS_MIXER_CARD (a), 0); g_return_val_if_fail (b == NULL || GVC_IS_MIXER_CARD (b), 0); namea = gvc_mixer_card_get_name (a); nameb = gvc_mixer_card_get_name (b); return gvc_name_collate (namea, nameb); } /** * gvc_mixer_control_get_cards: * @control: * * Returns: (transfer container) (element-type Gvc.MixerCard): */ GSList * gvc_mixer_control_get_cards (GvcMixerControl *control) { GSList *retval; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); retval = NULL; g_hash_table_foreach (control->priv->cards, listify_hash_values_hfunc, &retval); return g_slist_sort (retval, (GCompareFunc) gvc_card_collate); } static int gvc_stream_collate (GvcMixerStream *a, GvcMixerStream *b) { const char *namea; const char *nameb; g_return_val_if_fail (a == NULL || GVC_IS_MIXER_STREAM (a), 0); g_return_val_if_fail (b == NULL || GVC_IS_MIXER_STREAM (b), 0); namea = gvc_mixer_stream_get_name (a); nameb = gvc_mixer_stream_get_name (b); return gvc_name_collate (namea, nameb); } /** * gvc_mixer_control_get_streams: * @control: * * Returns: (transfer container) (element-type Gvc.MixerStream): */ GSList * gvc_mixer_control_get_streams (GvcMixerControl *control) { GSList *retval; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); retval = NULL; g_hash_table_foreach (control->priv->all_streams, listify_hash_values_hfunc, &retval); return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate); } /** * gvc_mixer_control_get_sinks: * @control: * * Returns: (transfer container) (element-type Gvc.MixerSink): */ GSList * gvc_mixer_control_get_sinks (GvcMixerControl *control) { GSList *retval; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); retval = NULL; g_hash_table_foreach (control->priv->sinks, listify_hash_values_hfunc, &retval); return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate); } /** * gvc_mixer_control_get_sources: * @control: * * Returns: (transfer container) (element-type Gvc.MixerSource): */ GSList * gvc_mixer_control_get_sources (GvcMixerControl *control) { GSList *retval; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); retval = NULL; g_hash_table_foreach (control->priv->sources, listify_hash_values_hfunc, &retval); return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate); } /** * gvc_mixer_control_get_sink_inputs: * @control: * * Returns: (transfer container) (element-type Gvc.MixerSinkInput): */ GSList * gvc_mixer_control_get_sink_inputs (GvcMixerControl *control) { GSList *retval; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); retval = NULL; g_hash_table_foreach (control->priv->sink_inputs, listify_hash_values_hfunc, &retval); return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate); } /** * gvc_mixer_control_get_source_outputs: * @control: * * Returns: (transfer container) (element-type Gvc.MixerSourceOutput): */ GSList * gvc_mixer_control_get_source_outputs (GvcMixerControl *control) { GSList *retval; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), NULL); retval = NULL; g_hash_table_foreach (control->priv->source_outputs, listify_hash_values_hfunc, &retval); return g_slist_sort (retval, (GCompareFunc) gvc_stream_collate); } static void dec_outstanding (GvcMixerControl *control) { if (control->priv->n_outstanding <= 0) { return; } if (--control->priv->n_outstanding <= 0) { control->priv->state = GVC_STATE_READY; g_signal_emit (G_OBJECT (control), signals[STATE_CHANGED], 0, GVC_STATE_READY); } } GvcMixerControlState gvc_mixer_control_get_state (GvcMixerControl *control) { g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE); return control->priv->state; } static void on_default_source_port_notify (GObject *object, GParamSpec *pspec, GvcMixerControl *control) { char *port; GvcMixerUIDevice *input; g_object_get (object, "port", &port, NULL); input = gvc_mixer_control_lookup_device_from_stream (control, GVC_MIXER_STREAM (object)); g_debug ("on_default_source_port_notify - moved to port '%s' which SHOULD ?? correspond to output '%s'", port, gvc_mixer_ui_device_get_description (input)); g_signal_emit (G_OBJECT (control), signals[ACTIVE_INPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (input)); g_free (port); } static void _set_default_source (GvcMixerControl *control, GvcMixerStream *stream) { guint new_id; if (stream == NULL) { control->priv->default_source_id = 0; control->priv->default_source_is_set = FALSE; g_signal_emit (control, signals[DEFAULT_SOURCE_CHANGED], 0, PA_INVALID_INDEX); return; } new_id = gvc_mixer_stream_get_id (stream); if (control->priv->default_source_id != new_id) { GvcMixerUIDevice *input; control->priv->default_source_id = new_id; control->priv->default_source_is_set = TRUE; g_signal_emit (control, signals[DEFAULT_SOURCE_CHANGED], 0, new_id); if (control->priv->default_source_is_set) { g_signal_handlers_disconnect_by_func (gvc_mixer_control_get_default_source (control), on_default_source_port_notify, control); } g_signal_connect (stream, "notify::port", G_CALLBACK (on_default_source_port_notify), control); input = gvc_mixer_control_lookup_device_from_stream (control, stream); g_signal_emit (G_OBJECT (control), signals[ACTIVE_INPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (input)); } } static void on_default_sink_port_notify (GObject *object, GParamSpec *pspec, GvcMixerControl *control) { char *port; GvcMixerUIDevice *output; g_object_get (object, "port", &port, NULL); output = gvc_mixer_control_lookup_device_from_stream (control, GVC_MIXER_STREAM (object)); if (output != NULL) { g_debug ("on_default_sink_port_notify - moved to port %s - which SHOULD correspond to output %s", port, gvc_mixer_ui_device_get_description (output)); g_signal_emit (G_OBJECT (control), signals[ACTIVE_OUTPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (output)); } g_free (port); } static void _set_default_sink (GvcMixerControl *control, GvcMixerStream *stream) { guint new_id; if (stream == NULL) { /* Don't tell front-ends about an unset default * sink if it's already unset */ if (control->priv->default_sink_is_set == FALSE) return; control->priv->default_sink_id = 0; control->priv->default_sink_is_set = FALSE; g_signal_emit (control, signals[DEFAULT_SINK_CHANGED], 0, PA_INVALID_INDEX); return; } new_id = gvc_mixer_stream_get_id (stream); if (control->priv->default_sink_id != new_id) { GvcMixerUIDevice *output; if (control->priv->default_sink_is_set) { g_signal_handlers_disconnect_by_func (gvc_mixer_control_get_default_sink (control), on_default_sink_port_notify, control); } control->priv->default_sink_id = new_id; control->priv->default_sink_is_set = TRUE; g_signal_emit (control, signals[DEFAULT_SINK_CHANGED], 0, new_id); g_signal_connect (stream, "notify::port", G_CALLBACK (on_default_sink_port_notify), control); output = gvc_mixer_control_lookup_device_from_stream (control, stream); g_debug ("active_sink change"); g_signal_emit (G_OBJECT (control), signals[ACTIVE_OUTPUT_UPDATE], 0, gvc_mixer_ui_device_get_id (output)); } } static gboolean _stream_has_name (gpointer key, GvcMixerStream *stream, const char *name) { const char *t_name; t_name = gvc_mixer_stream_get_name (stream); if (t_name != NULL && name != NULL && strcmp (t_name, name) == 0) { return TRUE; } return FALSE; } static GvcMixerStream * find_stream_for_name (GvcMixerControl *control, const char *name) { GvcMixerStream *stream; stream = g_hash_table_find (control->priv->all_streams, (GHRFunc)_stream_has_name, (char *)name); return stream; } static void update_default_source_from_name (GvcMixerControl *control, const char *name) { gboolean changed = FALSE; if ((control->priv->default_source_name == NULL && name != NULL) || (control->priv->default_source_name != NULL && name == NULL) || (name != NULL && strcmp (control->priv->default_source_name, name) != 0)) { changed = TRUE; } if (changed) { GvcMixerStream *stream; g_free (control->priv->default_source_name); control->priv->default_source_name = g_strdup (name); stream = find_stream_for_name (control, name); _set_default_source (control, stream); } } static void update_default_sink_from_name (GvcMixerControl *control, const char *name) { gboolean changed = FALSE; if ((control->priv->default_sink_name == NULL && name != NULL) || (control->priv->default_sink_name != NULL && name == NULL) || (name != NULL && strcmp (control->priv->default_sink_name, name) != 0)) { changed = TRUE; } if (changed) { GvcMixerStream *stream; g_free (control->priv->default_sink_name); control->priv->default_sink_name = g_strdup (name); stream = find_stream_for_name (control, name); _set_default_sink (control, stream); } } static void update_server (GvcMixerControl *control, const pa_server_info *info) { if (info->default_source_name != NULL) { update_default_source_from_name (control, info->default_source_name); } if (info->default_sink_name != NULL) { g_debug ("update server"); update_default_sink_from_name (control, info->default_sink_name); } } static void remove_stream (GvcMixerControl *control, GvcMixerStream *stream) { guint id; g_object_ref (stream); id = gvc_mixer_stream_get_id (stream); if (id == control->priv->default_sink_id) { _set_default_sink (control, NULL); } else if (id == control->priv->default_source_id) { _set_default_source (control, NULL); } g_hash_table_remove (control->priv->all_streams, GUINT_TO_POINTER (id)); g_signal_emit (G_OBJECT (control), signals[STREAM_REMOVED], 0, gvc_mixer_stream_get_id (stream)); g_object_unref (stream); } static void add_stream (GvcMixerControl *control, GvcMixerStream *stream) { g_hash_table_insert (control->priv->all_streams, GUINT_TO_POINTER (gvc_mixer_stream_get_id (stream)), stream); g_signal_emit (G_OBJECT (control), signals[STREAM_ADDED], 0, gvc_mixer_stream_get_id (stream)); } /* This method will match individual stream ports against its corresponding device * It does this by: * - iterates through our devices and finds the one where the card-id on the device is the same as the card-id on the stream * and the port-name on the device is the same as the streamport-name. * This should always find a match and is used exclusively by sync_devices(). */ static gboolean match_stream_with_devices (GvcMixerControl *control, GvcMixerStreamPort *stream_port, GvcMixerStream *stream) { GList *devices, *d; guint stream_card_id; guint stream_id; gboolean in_possession = FALSE; stream_id = gvc_mixer_stream_get_id (stream); stream_card_id = gvc_mixer_stream_get_card_index (stream); devices = g_hash_table_get_values (GVC_IS_MIXER_SOURCE (stream) ? control->priv->ui_inputs : control->priv->ui_outputs); for (d = devices; d != NULL; d = d->next) { GvcMixerUIDevice *device; gint device_stream_id; gchar *device_port_name; gchar *origin; gchar *description; GvcMixerCard *card; gint card_id; device = d->data; g_object_get (G_OBJECT (device), "stream-id", &device_stream_id, "card", &card, "origin", &origin, "description", &description, "port-name", &device_port_name, NULL); card_id = gvc_mixer_card_get_index (card); g_debug ("Attempt to match_stream update_with_existing_outputs - Try description : '%s', origin : '%s', device port name : '%s', card : %p, AGAINST stream port: '%s', sink card id %i", description, origin, device_port_name, card, stream_port->port, stream_card_id); if (stream_card_id == card_id && g_strcmp0 (device_port_name, stream_port->port) == 0) { g_debug ("Match device with stream: We have a match with description: '%s', origin: '%s', cached already with device id %u, so set stream id to %i", description, origin, gvc_mixer_ui_device_get_id (device), stream_id); g_object_set (G_OBJECT (device), "stream-id", (gint)stream_id, NULL); in_possession = TRUE; } g_free (device_port_name); g_free (origin); g_free (description); if (in_possession == TRUE) break; } g_list_free (devices); return in_possession; } /* * This method attempts to match a sink or source with its relevant UI device. * GvcMixerStream can represent both a sink or source. * Using static card port introspection implies that we know beforehand what * outputs and inputs are available to the user. * But that does not mean that all of these inputs and outputs are available to be used. * For instance we might be able to see that there is a HDMI port available but if * we are on the default analog stereo output profile there is no valid sink for * that HDMI device. We first need to change profile and when update_sink() is called * only then can we match the new hdmi sink with its corresponding device. * * Firstly it checks to see if the incoming stream has no ports. * - If a stream has no ports but has a valid card ID (bluetooth), it will attempt * to match the device with the stream using the card id. * - If a stream has no ports and no valid card id, it goes ahead and makes a new * device (software/network devices are only detectable at the sink/source level) * If the stream has ports it will match each port against the stream using match_stream_with_devices(). * * This method should always find a match. */ static void sync_devices (GvcMixerControl *control, GvcMixerStream* stream) { /* Go through ports to see what outputs can be created. */ const GList *stream_ports; const GList *n = NULL; gboolean is_output = !GVC_IS_MIXER_SOURCE (stream); gint stream_port_count = 0; stream_ports = gvc_mixer_stream_get_ports (stream); if (stream_ports == NULL) { GvcMixerUIDevice *device; /* Bluetooth, no ports but a valid card */ if (gvc_mixer_stream_get_card_index (stream) != PA_INVALID_INDEX) { GList *devices, *d; gboolean in_possession = FALSE; devices = g_hash_table_get_values (is_output ? control->priv->ui_outputs : control->priv->ui_inputs); for (d = devices; d != NULL; d = d->next) { GvcMixerCard *card; gint card_id; device = d->data; g_object_get (G_OBJECT (device), "card", &card, NULL); card_id = gvc_mixer_card_get_index (card); g_debug ("sync devices, device description - '%s', device card id - %i, stream description - %s, stream card id - %i", gvc_mixer_ui_device_get_description (device), card_id, gvc_mixer_stream_get_description (stream), gvc_mixer_stream_get_card_index (stream)); if (card_id == gvc_mixer_stream_get_card_index (stream)) { in_possession = TRUE; break; } } g_list_free (devices); if (!in_possession) { g_warning ("Couldn't match the portless stream (with card) - '%s' is it an input ? -> %i, streams card id -> %i", gvc_mixer_stream_get_description (stream), GVC_IS_MIXER_SOURCE (stream), gvc_mixer_stream_get_card_index (stream)); return; } g_object_set (G_OBJECT (device), "stream-id", (gint)gvc_mixer_stream_get_id (stream), "description", gvc_mixer_stream_get_description (stream), "origin", "", /*Leave it empty for these special cases*/ "port-name", NULL, "port-available", TRUE, NULL); } else { /* Network sink/source has no ports and no card. */ GObject *object; object = g_object_new (GVC_TYPE_MIXER_UI_DEVICE, "stream-id", (gint)gvc_mixer_stream_get_id (stream), "description", gvc_mixer_stream_get_description (stream), "origin", "", /* Leave it empty for these special cases */ "port-name", NULL, "port-available", TRUE, NULL); device = GVC_MIXER_UI_DEVICE (object); g_hash_table_insert (is_output ? control->priv->ui_outputs : control->priv->ui_inputs, GUINT_TO_POINTER (gvc_mixer_ui_device_get_id (device)), g_object_ref (device)); } g_signal_emit (G_OBJECT (control), signals[is_output ? OUTPUT_ADDED : INPUT_ADDED], 0, gvc_mixer_ui_device_get_id (device)); return; } /* Go ahead and make sure to match each port against a previously created device */ for (n = stream_ports; n != NULL; n = n->next) { GvcMixerStreamPort *stream_port; stream_port = n->data; stream_port_count ++; if (match_stream_with_devices (control, stream_port, stream)) continue; g_warning ("Sync_devices: Failed to match stream id: %u, description: '%s', origin: '%s'", gvc_mixer_stream_get_id (stream), stream_port->human_port, gvc_mixer_stream_get_description (stream)); } } static void set_icon_name_from_proplist (GvcMixerStream *stream, pa_proplist *l, const char *default_icon_name) { const char *t; if ((t = pa_proplist_gets (l, PA_PROP_DEVICE_ICON_NAME))) { goto finish; } if ((t = pa_proplist_gets (l, PA_PROP_MEDIA_ICON_NAME))) { goto finish; } if ((t = pa_proplist_gets (l, PA_PROP_WINDOW_ICON_NAME))) { goto finish; } if ((t = pa_proplist_gets (l, PA_PROP_APPLICATION_ICON_NAME))) { goto finish; } if ((t = pa_proplist_gets (l, PA_PROP_MEDIA_ROLE))) { if (strcmp (t, "video") == 0 || strcmp (t, "phone") == 0) { goto finish; } if (strcmp (t, "music") == 0) { t = "audio"; goto finish; } if (strcmp (t, "game") == 0) { t = "applications-games"; goto finish; } if (strcmp (t, "event") == 0) { t = "dialog-information"; goto finish; } } t = default_icon_name; finish: gvc_mixer_stream_set_icon_name (stream, t); } /* * Called when anything changes with a sink. */ static void update_sink (GvcMixerControl *control, const pa_sink_info *info) { GvcMixerStream *stream; gboolean is_new; pa_volume_t max_volume; GvcChannelMap *map; char map_buff[PA_CHANNEL_MAP_SNPRINT_MAX]; pa_channel_map_snprint (map_buff, PA_CHANNEL_MAP_SNPRINT_MAX, &info->channel_map); #if 1 g_debug ("Updating sink: index=%u name='%s' description='%s' map='%s'", info->index, info->name, info->description, map_buff); #endif map = NULL; is_new = FALSE; stream = g_hash_table_lookup (control->priv->sinks, GUINT_TO_POINTER (info->index)); if (stream == NULL) { GList *list = NULL; guint i; map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map); stream = gvc_mixer_sink_new (control->priv->pa_context, info->index, map); for (i = 0; i < info->n_ports; i++) { GvcMixerStreamPort *port; port = g_slice_new0 (GvcMixerStreamPort); port->port = g_strdup (info->ports[i]->name); port->human_port = g_strdup (info->ports[i]->description); port->priority = info->ports[i]->priority; port->available = info->ports[i]->available != PA_PORT_AVAILABLE_NO; list = g_list_prepend (list, port); } gvc_mixer_stream_set_ports (stream, list); g_object_unref (map); is_new = TRUE; } else if (gvc_mixer_stream_is_running (stream)) { /* Ignore events if volume changes are outstanding */ g_debug ("Ignoring event, volume changes are outstanding"); return; } max_volume = pa_cvolume_max (&info->volume); gvc_mixer_stream_set_name (stream, info->name); gvc_mixer_stream_set_card_index (stream, info->card); gvc_mixer_stream_set_description (stream, info->description); set_icon_name_from_proplist (stream, info->proplist, "audio-card"); gvc_mixer_stream_set_form_factor (stream, pa_proplist_gets (info->proplist, PA_PROP_DEVICE_FORM_FACTOR)); gvc_mixer_stream_set_sysfs_path (stream, pa_proplist_gets (info->proplist, "sysfs.path")); gvc_mixer_stream_set_volume (stream, (guint)max_volume); gvc_mixer_stream_set_is_muted (stream, info->mute); gvc_mixer_stream_set_can_decibel (stream, !!(info->flags & PA_SINK_DECIBEL_VOLUME)); gvc_mixer_stream_set_base_volume (stream, (guint32) info->base_volume); /* Messy I know but to set the port everytime regardless of whether it has changed will cost us a * port change notify signal which causes the frontend to resync. * Only update the UI when something has changed. */ if (info->active_port != NULL) { if (is_new) gvc_mixer_stream_set_port (stream, info->active_port->name); else { const GvcMixerStreamPort *active_port; active_port = gvc_mixer_stream_get_port (stream); if (active_port == NULL || g_strcmp0 (active_port->port, info->active_port->name) != 0) { g_debug ("update sink - apparently a port update"); gvc_mixer_stream_set_port (stream, info->active_port->name); } } } if (is_new) { g_debug ("update sink - is new"); g_hash_table_insert (control->priv->sinks, GUINT_TO_POINTER (info->index), g_object_ref (stream)); add_stream (control, stream); /* Always sink on a new stream to able to assign the right stream id * to the appropriate outputs (multiple potential outputs per stream). */ sync_devices (control, stream); } /* * When we change profile on a device that is not the server default sink, * it will jump back to the default sink set by the server to prevent the audio setup from being 'outputless'. * All well and good but then when we get the new stream created for the new profile how do we know * that this is the intended default or selected device the user wishes to use. * This is messy but it's the only reliable way that it can be done without ripping the whole thing apart. */ if (control->priv->profile_swapping_device_id != GVC_MIXER_UI_DEVICE_INVALID) { GvcMixerUIDevice *dev = NULL; dev = gvc_mixer_control_lookup_output_id (control, control->priv->profile_swapping_device_id); if (dev != NULL) { /* now check to make sure this new stream is the same stream just matched and set on the device object */ if (gvc_mixer_ui_device_get_stream_id (dev) == gvc_mixer_stream_get_id (stream)) { g_debug ("Looks like we profile swapped on a non server default sink"); gvc_mixer_control_set_default_sink (control, stream); } } control->priv->profile_swapping_device_id = GVC_MIXER_UI_DEVICE_INVALID; } if (control->priv->default_sink_name != NULL && info->name != NULL && strcmp (control->priv->default_sink_name, info->name) == 0) { _set_default_sink (control, stream); } if (map == NULL) map = (GvcChannelMap *) gvc_mixer_stream_get_channel_map (stream); gvc_channel_map_volume_changed (map, &info->volume, FALSE); } static void update_source (GvcMixerControl *control, const pa_source_info *info) { GvcMixerStream *stream; gboolean is_new; pa_volume_t max_volume; #if 1 g_debug ("Updating source: index=%u name='%s' description='%s'", info->index, info->name, info->description); #endif /* completely ignore monitors, they're not real sources */ if (info->monitor_of_sink != PA_INVALID_INDEX) { return; } is_new = FALSE; stream = g_hash_table_lookup (control->priv->sources, GUINT_TO_POINTER (info->index)); if (stream == NULL) { GList *list = NULL; guint i; GvcChannelMap *map; map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map); stream = gvc_mixer_source_new (control->priv->pa_context, info->index, map); for (i = 0; i < info->n_ports; i++) { GvcMixerStreamPort *port; port = g_slice_new0 (GvcMixerStreamPort); port->port = g_strdup (info->ports[i]->name); port->human_port = g_strdup (info->ports[i]->description); port->priority = info->ports[i]->priority; list = g_list_prepend (list, port); } gvc_mixer_stream_set_ports (stream, list); g_object_unref (map); is_new = TRUE; } else if (gvc_mixer_stream_is_running (stream)) { /* Ignore events if volume changes are outstanding */ g_debug ("Ignoring event, volume changes are outstanding"); return; } max_volume = pa_cvolume_max (&info->volume); gvc_mixer_stream_set_name (stream, info->name); gvc_mixer_stream_set_card_index (stream, info->card); gvc_mixer_stream_set_description (stream, info->description); set_icon_name_from_proplist (stream, info->proplist, "audio-input-microphone"); gvc_mixer_stream_set_form_factor (stream, pa_proplist_gets (info->proplist, PA_PROP_DEVICE_FORM_FACTOR)); gvc_mixer_stream_set_volume (stream, (guint)max_volume); gvc_mixer_stream_set_is_muted (stream, info->mute); gvc_mixer_stream_set_can_decibel (stream, !!(info->flags & PA_SOURCE_DECIBEL_VOLUME)); gvc_mixer_stream_set_base_volume (stream, (guint32) info->base_volume); g_debug ("update source"); if (info->active_port != NULL) { if (is_new) gvc_mixer_stream_set_port (stream, info->active_port->name); else { const GvcMixerStreamPort *active_port; active_port = gvc_mixer_stream_get_port (stream); if (active_port == NULL || g_strcmp0 (active_port->port, info->active_port->name) != 0) { g_debug ("update source - apparently a port update"); gvc_mixer_stream_set_port (stream, info->active_port->name); } } } if (is_new) { g_hash_table_insert (control->priv->sources, GUINT_TO_POINTER (info->index), g_object_ref (stream)); add_stream (control, stream); sync_devices (control, stream); } if (control->priv->profile_swapping_device_id != GVC_MIXER_UI_DEVICE_INVALID) { GvcMixerUIDevice *dev = NULL; dev = gvc_mixer_control_lookup_input_id (control, control->priv->profile_swapping_device_id); if (dev != NULL) { /* now check to make sure this new stream is the same stream just matched and set on the device object */ if (gvc_mixer_ui_device_get_stream_id (dev) == gvc_mixer_stream_get_id (stream)) { g_debug ("Looks like we profile swapped on a non server default sink"); gvc_mixer_control_set_default_source (control, stream); } } control->priv->profile_swapping_device_id = GVC_MIXER_UI_DEVICE_INVALID; } if (control->priv->default_source_name != NULL && info->name != NULL && strcmp (control->priv->default_source_name, info->name) == 0) { _set_default_source (control, stream); } } static void set_is_event_stream_from_proplist (GvcMixerStream *stream, pa_proplist *l) { const char *t; gboolean is_event_stream; is_event_stream = FALSE; if ((t = pa_proplist_gets (l, PA_PROP_MEDIA_ROLE))) { if (g_str_equal (t, "event")) is_event_stream = TRUE; } gvc_mixer_stream_set_is_event_stream (stream, is_event_stream); } static void set_application_id_from_proplist (GvcMixerStream *stream, pa_proplist *l) { const char *t; if ((t = pa_proplist_gets (l, PA_PROP_APPLICATION_ID))) { gvc_mixer_stream_set_application_id (stream, t); } } static void update_sink_input (GvcMixerControl *control, const pa_sink_input_info *info) { GvcMixerStream *stream; gboolean is_new; pa_volume_t max_volume; const char *name; #if 0 g_debug ("Updating sink input: index=%u name='%s' client=%u sink=%u", info->index, info->name, info->client, info->sink); #endif is_new = FALSE; stream = g_hash_table_lookup (control->priv->sink_inputs, GUINT_TO_POINTER (info->index)); if (stream == NULL) { GvcChannelMap *map; map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map); stream = gvc_mixer_sink_input_new (control->priv->pa_context, info->index, map); g_object_unref (map); is_new = TRUE; } else if (gvc_mixer_stream_is_running (stream)) { /* Ignore events if volume changes are outstanding */ g_debug ("Ignoring event, volume changes are outstanding"); return; } max_volume = pa_cvolume_max (&info->volume); name = (const char *)g_hash_table_lookup (control->priv->clients, GUINT_TO_POINTER (info->client)); gvc_mixer_stream_set_name (stream, name); gvc_mixer_stream_set_description (stream, info->name); set_application_id_from_proplist (stream, info->proplist); set_is_event_stream_from_proplist (stream, info->proplist); set_icon_name_from_proplist (stream, info->proplist, "applications-multimedia"); gvc_mixer_stream_set_volume (stream, (guint)max_volume); gvc_mixer_stream_set_is_muted (stream, info->mute); gvc_mixer_stream_set_is_virtual (stream, info->client == PA_INVALID_INDEX); if (is_new) { g_hash_table_insert (control->priv->sink_inputs, GUINT_TO_POINTER (info->index), g_object_ref (stream)); add_stream (control, stream); } } static void update_source_output (GvcMixerControl *control, const pa_source_output_info *info) { GvcMixerStream *stream; gboolean is_new; const char *name; #if 1 g_debug ("Updating source output: index=%u name='%s' client=%u source=%u", info->index, info->name, info->client, info->source); #endif is_new = FALSE; stream = g_hash_table_lookup (control->priv->source_outputs, GUINT_TO_POINTER (info->index)); if (stream == NULL) { GvcChannelMap *map; map = gvc_channel_map_new_from_pa_channel_map (&info->channel_map); stream = gvc_mixer_source_output_new (control->priv->pa_context, info->index, map); g_object_unref (map); is_new = TRUE; } name = (const char *)g_hash_table_lookup (control->priv->clients, GUINT_TO_POINTER (info->client)); gvc_mixer_stream_set_name (stream, name); gvc_mixer_stream_set_description (stream, info->name); set_application_id_from_proplist (stream, info->proplist); set_is_event_stream_from_proplist (stream, info->proplist); set_icon_name_from_proplist (stream, info->proplist, "audio-input-microphone"); if (is_new) { g_hash_table_insert (control->priv->source_outputs, GUINT_TO_POINTER (info->index), g_object_ref (stream)); add_stream (control, stream); } } static void update_client (GvcMixerControl *control, const pa_client_info *info) { #if 1 g_debug ("Updating client: index=%u name='%s'", info->index, info->name); #endif g_hash_table_insert (control->priv->clients, GUINT_TO_POINTER (info->index), g_strdup (info->name)); } static char * card_num_streams_to_status (guint sinks, guint sources) { char *sinks_str; char *sources_str; char *ret; if (sinks == 0 && sources == 0) { /* translators: * The device has been disabled */ return g_strdup (_("Disabled")); } if (sinks == 0) { sinks_str = NULL; } else { /* translators: * The number of sound outputs on a particular device */ sinks_str = g_strdup_printf (ngettext ("%u Output", "%u Outputs", sinks), sinks); } if (sources == 0) { sources_str = NULL; } else { /* translators: * The number of sound inputs on a particular device */ sources_str = g_strdup_printf (ngettext ("%u Input", "%u Inputs", sources), sources); } if (sources_str == NULL) return sinks_str; if (sinks_str == NULL) return sources_str; ret = g_strdup_printf ("%s / %s", sinks_str, sources_str); g_free (sinks_str); g_free (sources_str); return ret; } /* * A utility method to gather which card profiles are relevant to the port . */ static GList * determine_profiles_for_port (pa_card_port_info *port, GList* card_profiles) { gint i; GList *supported_profiles = NULL; GList *p; for (i = 0; i < port->n_profiles; i++) { for (p = card_profiles; p != NULL; p = p->next) { GvcMixerCardProfile *prof; prof = p->data; if (g_strcmp0 (port->profiles[i]->name, prof->profile) == 0) supported_profiles = g_list_append (supported_profiles, prof); } } g_debug ("%i profiles supported on port %s", g_list_length (supported_profiles), port->description); return g_list_sort (supported_profiles, (GCompareFunc) gvc_mixer_card_profile_compare); } static gboolean is_card_port_an_output (GvcMixerCardPort* port) { return port->direction == PA_DIRECTION_OUTPUT ? TRUE : FALSE; } /* * This method will create a ui device for the given port. */ static void create_ui_device_from_port (GvcMixerControl* control, GvcMixerCardPort* port, GvcMixerCard* card) { GvcMixerUIDeviceDirection direction; GObject *object; GvcMixerUIDevice *uidevice; gboolean available = port->available != PA_PORT_AVAILABLE_NO; direction = (is_card_port_an_output (port) == TRUE) ? UIDeviceOutput : UIDeviceInput; object = g_object_new (GVC_TYPE_MIXER_UI_DEVICE, "type", (uint)direction, "card", card, "port-name", port->port, "description", port->human_port, "origin", gvc_mixer_card_get_name (card), "port-available", available, "icon-name", port->icon_name, NULL); uidevice = GVC_MIXER_UI_DEVICE (object); gvc_mixer_ui_device_set_profiles (uidevice, port->profiles); g_hash_table_insert (is_card_port_an_output (port) ? control->priv->ui_outputs : control->priv->ui_inputs, GUINT_TO_POINTER (gvc_mixer_ui_device_get_id (uidevice)), g_object_ref (uidevice)); if (available) { g_signal_emit (G_OBJECT (control), signals[is_card_port_an_output (port) ? OUTPUT_ADDED : INPUT_ADDED], 0, gvc_mixer_ui_device_get_id (uidevice)); } g_debug ("create_ui_device_from_port, direction %u, description '%s', origin '%s', port available %i", direction, port->human_port, gvc_mixer_card_get_name (card), available); } /* * This method will match up GvcMixerCardPorts with existing devices. * A match is achieved if the device's card-id and the port's card-id are the same * && the device's port-name and the card-port's port member are the same. * A signal is then sent adding or removing that device from the UI depending on the availability of the port. */ static void match_card_port_with_existing_device (GvcMixerControl *control, GvcMixerCardPort *card_port, GvcMixerCard *card, gboolean available) { GList *d; GList *devices; GvcMixerUIDevice *device; gboolean is_output = is_card_port_an_output (card_port); devices = g_hash_table_get_values (is_output ? control->priv->ui_outputs : control->priv->ui_inputs); for (d = devices; d != NULL; d = d->next) { GvcMixerCard *device_card; gchar *device_port_name; device = d->data; g_object_get (G_OBJECT (device), "card", &device_card, "port-name", &device_port_name, NULL); if (g_strcmp0 (card_port->port, device_port_name) == 0 && device_card == card) { g_debug ("Found the relevant device %s, update its port availability flag to %i, is_output %i", device_port_name, available, is_output); g_object_set (G_OBJECT (device), "port-available", available, NULL); g_signal_emit (G_OBJECT (control), is_output ? signals[available ? OUTPUT_ADDED : OUTPUT_REMOVED] : signals[available ? INPUT_ADDED : INPUT_REMOVED], 0, gvc_mixer_ui_device_get_id (device)); } g_free (device_port_name); } g_list_free (devices); } static void create_ui_device_from_card (GvcMixerControl *control, GvcMixerCard *card) { GObject *object; GvcMixerUIDevice *in; GvcMixerUIDevice *out; const GList *profiles; /* For now just create two devices and presume this device is multi directional * Ensure to remove both on card removal (available to false by default) */ profiles = gvc_mixer_card_get_profiles (card); g_debug ("Portless card just registered - %i", gvc_mixer_card_get_index (card)); object = g_object_new (GVC_TYPE_MIXER_UI_DEVICE, "type", UIDeviceInput, "description", gvc_mixer_card_get_name (card), "origin", "", /* Leave it empty for these special cases */ "port-name", NULL, "port-available", FALSE, "card", card, NULL); in = GVC_MIXER_UI_DEVICE (object); gvc_mixer_ui_device_set_profiles (in, profiles); g_hash_table_insert (control->priv->ui_inputs, GUINT_TO_POINTER (gvc_mixer_ui_device_get_id (in)), g_object_ref (in)); object = g_object_new (GVC_TYPE_MIXER_UI_DEVICE, "type", UIDeviceOutput, "description", gvc_mixer_card_get_name (card), "origin", "", /* Leave it empty for these special cases */ "port-name", NULL, "port-available", FALSE, "card", card, NULL); out = GVC_MIXER_UI_DEVICE (object); gvc_mixer_ui_device_set_profiles (out, profiles); g_hash_table_insert (control->priv->ui_outputs, GUINT_TO_POINTER (gvc_mixer_ui_device_get_id (out)), g_object_ref (out)); } /* * At this point we can determine all devices available to us (besides network 'ports') * This is done by the following: * * - gvc_mixer_card and gvc_mixer_card_ports are created and relevant setters are called. * - First it checks to see if it's a portless card. Bluetooth devices are portless AFAIHS. * If so it creates two devices, an input and an output. * - If it's a 'normal' card with ports it will create a new ui-device or * synchronise port availability with the existing device cached for that port on this card. */ static void update_card (GvcMixerControl *control, const pa_card_info *info) { const GList *card_ports = NULL; const GList *m = NULL; GvcMixerCard *card; gboolean is_new = FALSE; #if 1 guint i; const char *key; void *state; g_debug ("Udpating card %s (index: %u driver: %s):", info->name, info->index, info->driver); for (i = 0; i < info->n_profiles; i++) { struct pa_card_profile_info pi = info->profiles[i]; gboolean is_default; is_default = (g_strcmp0 (pi.name, info->active_profile->name) == 0); g_debug ("\tProfile '%s': %d sources %d sinks%s", pi.name, pi.n_sources, pi.n_sinks, is_default ? " (Current)" : ""); } state = NULL; key = pa_proplist_iterate (info->proplist, &state); while (key != NULL) { g_debug ("\tProperty: '%s' = '%s'", key, pa_proplist_gets (info->proplist, key)); key = pa_proplist_iterate (info->proplist, &state); } #endif card = g_hash_table_lookup (control->priv->cards, GUINT_TO_POINTER (info->index)); if (card == NULL) { GList *profile_list = NULL; GList *port_list = NULL; for (i = 0; i < info->n_profiles; i++) { GvcMixerCardProfile *profile; struct pa_card_profile_info pi = info->profiles[i]; profile = g_new0 (GvcMixerCardProfile, 1); profile->profile = g_strdup (pi.name); profile->human_profile = g_strdup (pi.description); profile->status = card_num_streams_to_status (pi.n_sinks, pi.n_sources); profile->n_sinks = pi.n_sinks; profile->n_sources = pi.n_sources; profile->priority = pi.priority; profile_list = g_list_prepend (profile_list, profile); } card = gvc_mixer_card_new (control->priv->pa_context, info->index); gvc_mixer_card_set_profiles (card, profile_list); for (i = 0; i < info->n_ports; i++) { GvcMixerCardPort *port; port = g_new0 (GvcMixerCardPort, 1); port->port = g_strdup (info->ports[i]->name); port->human_port = g_strdup (info->ports[i]->description); port->priority = info->ports[i]->priority; port->available = info->ports[i]->available; port->direction = info->ports[i]->direction; port->icon_name = g_strdup (pa_proplist_gets (info->ports[i]->proplist, "device.icon_name")); port->profiles = determine_profiles_for_port (info->ports[i], profile_list); port_list = g_list_prepend (port_list, port); } gvc_mixer_card_set_ports (card, port_list); is_new = TRUE; } gvc_mixer_card_set_name (card, pa_proplist_gets (info->proplist, "device.description")); gvc_mixer_card_set_icon_name (card, pa_proplist_gets (info->proplist, "device.icon_name")); gvc_mixer_card_set_profile (card, info->active_profile->name); if (is_new) { g_hash_table_insert (control->priv->cards, GUINT_TO_POINTER (info->index), g_object_ref (card)); } card_ports = gvc_mixer_card_get_ports (card); if (card_ports == NULL && is_new) { g_debug ("Portless card just registered - %s", gvc_mixer_card_get_name (card)); create_ui_device_from_card (control, card); } for (m = card_ports; m != NULL; m = m->next) { GvcMixerCardPort *card_port; card_port = m->data; if (is_new) create_ui_device_from_port (control, card_port, card); else { for (i = 0; i < info->n_ports; i++) { if (g_strcmp0 (card_port->port, info->ports[i]->name) == 0) { if (card_port->available != info->ports[i]->available) { card_port->available = info->ports[i]->available; g_debug ("sync port availability on card %i, card port name '%s', new available value %i", gvc_mixer_card_get_index (card), card_port->port, card_port->available); match_card_port_with_existing_device (control, card_port, card, card_port->available != PA_PORT_AVAILABLE_NO); } } } } } g_signal_emit (G_OBJECT (control), signals[CARD_ADDED], 0, info->index); } static void _pa_context_get_sink_info_cb (pa_context *context, const pa_sink_info *i, int eol, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (eol < 0) { if (pa_context_errno (context) == PA_ERR_NOENTITY) { return; } g_warning ("Sink callback failure"); return; } if (eol > 0) { dec_outstanding (control); return; } update_sink (control, i); } static void _pa_context_get_source_info_cb (pa_context *context, const pa_source_info *i, int eol, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (eol < 0) { if (pa_context_errno (context) == PA_ERR_NOENTITY) { return; } g_warning ("Source callback failure"); return; } if (eol > 0) { dec_outstanding (control); return; } update_source (control, i); } static void _pa_context_get_sink_input_info_cb (pa_context *context, const pa_sink_input_info *i, int eol, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (eol < 0) { if (pa_context_errno (context) == PA_ERR_NOENTITY) { return; } g_warning ("Sink input callback failure"); return; } if (eol > 0) { dec_outstanding (control); return; } update_sink_input (control, i); } static void _pa_context_get_source_output_info_cb (pa_context *context, const pa_source_output_info *i, int eol, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (eol < 0) { if (pa_context_errno (context) == PA_ERR_NOENTITY) { return; } g_warning ("Source output callback failure"); return; } if (eol > 0) { dec_outstanding (control); return; } update_source_output (control, i); } static void _pa_context_get_client_info_cb (pa_context *context, const pa_client_info *i, int eol, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (eol < 0) { if (pa_context_errno (context) == PA_ERR_NOENTITY) { return; } g_warning ("Client callback failure"); return; } if (eol > 0) { dec_outstanding (control); return; } update_client (control, i); } static void _pa_context_get_card_info_by_index_cb (pa_context *context, const pa_card_info *i, int eol, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (eol < 0) { if (pa_context_errno (context) == PA_ERR_NOENTITY) return; g_warning ("Card callback failure"); return; } if (eol > 0) { dec_outstanding (control); return; } update_card (control, i); } static void _pa_context_get_server_info_cb (pa_context *context, const pa_server_info *i, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (i == NULL) { g_warning ("Server info callback failure"); return; } g_debug ("get server info"); update_server (control, i); dec_outstanding (control); } static void remove_event_role_stream (GvcMixerControl *control) { g_debug ("Removing event role"); } static void update_event_role_stream (GvcMixerControl *control, const pa_ext_stream_restore_info *info) { GvcMixerStream *stream; gboolean is_new; pa_volume_t max_volume; if (strcmp (info->name, "sink-input-by-media-role:event") != 0) { return; } #if 0 g_debug ("Updating event role: name='%s' device='%s'", info->name, info->device); #endif is_new = FALSE; if (!control->priv->event_sink_input_is_set) { pa_channel_map pa_map; GvcChannelMap *map; pa_map.channels = 1; pa_map.map[0] = PA_CHANNEL_POSITION_MONO; map = gvc_channel_map_new_from_pa_channel_map (&pa_map); stream = gvc_mixer_event_role_new (control->priv->pa_context, info->device, map); control->priv->event_sink_input_id = gvc_mixer_stream_get_id (stream); control->priv->event_sink_input_is_set = TRUE; is_new = TRUE; } else { stream = g_hash_table_lookup (control->priv->all_streams, GUINT_TO_POINTER (control->priv->event_sink_input_id)); } max_volume = pa_cvolume_max (&info->volume); gvc_mixer_stream_set_name (stream, _("System Sounds")); gvc_mixer_stream_set_icon_name (stream, "multimedia-volume-control"); gvc_mixer_stream_set_volume (stream, (guint)max_volume); gvc_mixer_stream_set_is_muted (stream, info->mute); if (is_new) { add_stream (control, stream); } } static void _pa_ext_stream_restore_read_cb (pa_context *context, const pa_ext_stream_restore_info *i, int eol, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); if (eol < 0) { g_debug ("Failed to initialized stream_restore extension: %s", pa_strerror (pa_context_errno (context))); remove_event_role_stream (control); return; } if (eol > 0) { dec_outstanding (control); /* If we don't have an event stream to restore, then * set one up with a default 100% volume */ if (!control->priv->event_sink_input_is_set) { pa_ext_stream_restore_info info; memset (&info, 0, sizeof(info)); info.name = "sink-input-by-media-role:event"; info.volume.channels = 1; info.volume.values[0] = PA_VOLUME_NORM; update_event_role_stream (control, &info); } return; } update_event_role_stream (control, i); } static void _pa_ext_stream_restore_subscribe_cb (pa_context *context, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); pa_operation *o; o = pa_ext_stream_restore_read (context, _pa_ext_stream_restore_read_cb, control); if (o == NULL) { g_warning ("pa_ext_stream_restore_read() failed"); return; } pa_operation_unref (o); } static void req_update_server_info (GvcMixerControl *control, int index) { pa_operation *o; o = pa_context_get_server_info (control->priv->pa_context, _pa_context_get_server_info_cb, control); if (o == NULL) { g_warning ("pa_context_get_server_info() failed"); return; } pa_operation_unref (o); } static void req_update_client_info (GvcMixerControl *control, int index) { pa_operation *o; if (index < 0) { o = pa_context_get_client_info_list (control->priv->pa_context, _pa_context_get_client_info_cb, control); } else { o = pa_context_get_client_info (control->priv->pa_context, index, _pa_context_get_client_info_cb, control); } if (o == NULL) { g_warning ("pa_context_client_info_list() failed"); return; } pa_operation_unref (o); } static void req_update_card (GvcMixerControl *control, int index) { pa_operation *o; if (index < 0) { o = pa_context_get_card_info_list (control->priv->pa_context, _pa_context_get_card_info_by_index_cb, control); } else { o = pa_context_get_card_info_by_index (control->priv->pa_context, index, _pa_context_get_card_info_by_index_cb, control); } if (o == NULL) { g_warning ("pa_context_get_card_info_by_index() failed"); return; } pa_operation_unref (o); } static void req_update_sink_info (GvcMixerControl *control, int index) { pa_operation *o; if (index < 0) { o = pa_context_get_sink_info_list (control->priv->pa_context, _pa_context_get_sink_info_cb, control); } else { o = pa_context_get_sink_info_by_index (control->priv->pa_context, index, _pa_context_get_sink_info_cb, control); } if (o == NULL) { g_warning ("pa_context_get_sink_info_list() failed"); return; } pa_operation_unref (o); } static void req_update_source_info (GvcMixerControl *control, int index) { pa_operation *o; if (index < 0) { o = pa_context_get_source_info_list (control->priv->pa_context, _pa_context_get_source_info_cb, control); } else { o = pa_context_get_source_info_by_index(control->priv->pa_context, index, _pa_context_get_source_info_cb, control); } if (o == NULL) { g_warning ("pa_context_get_source_info_list() failed"); return; } pa_operation_unref (o); } static void req_update_sink_input_info (GvcMixerControl *control, int index) { pa_operation *o; if (index < 0) { o = pa_context_get_sink_input_info_list (control->priv->pa_context, _pa_context_get_sink_input_info_cb, control); } else { o = pa_context_get_sink_input_info (control->priv->pa_context, index, _pa_context_get_sink_input_info_cb, control); } if (o == NULL) { g_warning ("pa_context_get_sink_input_info_list() failed"); return; } pa_operation_unref (o); } static void req_update_source_output_info (GvcMixerControl *control, int index) { pa_operation *o; if (index < 0) { o = pa_context_get_source_output_info_list (control->priv->pa_context, _pa_context_get_source_output_info_cb, control); } else { o = pa_context_get_source_output_info (control->priv->pa_context, index, _pa_context_get_source_output_info_cb, control); } if (o == NULL) { g_warning ("pa_context_get_source_output_info_list() failed"); return; } pa_operation_unref (o); } static void remove_client (GvcMixerControl *control, guint index) { g_hash_table_remove (control->priv->clients, GUINT_TO_POINTER (index)); } static void remove_card (GvcMixerControl *control, guint index) { GList *devices, *d; devices = g_list_concat (g_hash_table_get_values (control->priv->ui_inputs), g_hash_table_get_values (control->priv->ui_outputs)); for (d = devices; d != NULL; d = d->next) { GvcMixerCard *card; GvcMixerUIDevice *device = d->data; g_object_get (G_OBJECT (device), "card", &card, NULL); if (gvc_mixer_card_get_index (card) == index) { g_signal_emit (G_OBJECT (control), signals[gvc_mixer_ui_device_is_output (device) ? OUTPUT_REMOVED : INPUT_REMOVED], 0, gvc_mixer_ui_device_get_id (device)); g_debug ("Card removal remove device %s", gvc_mixer_ui_device_get_description (device)); g_hash_table_remove (gvc_mixer_ui_device_is_output (device) ? control->priv->ui_outputs : control->priv->ui_inputs, GUINT_TO_POINTER (gvc_mixer_ui_device_get_id (device))); } } g_list_free (devices); g_hash_table_remove (control->priv->cards, GUINT_TO_POINTER (index)); g_signal_emit (G_OBJECT (control), signals[CARD_REMOVED], 0, index); } static void remove_sink (GvcMixerControl *control, guint index) { GvcMixerStream *stream; GvcMixerUIDevice *device; g_debug ("Removing sink: index=%u", index); stream = g_hash_table_lookup (control->priv->sinks, GUINT_TO_POINTER (index)); if (stream == NULL) return; device = gvc_mixer_control_lookup_device_from_stream (control, stream); if (device != NULL) { gvc_mixer_ui_device_invalidate_stream (device); if (!gvc_mixer_ui_device_has_ports (device)) { g_signal_emit (G_OBJECT (control), signals[OUTPUT_REMOVED], 0, gvc_mixer_ui_device_get_id (device)); } else { GList *devices, *d; devices = g_hash_table_get_values (control->priv->ui_outputs); for (d = devices; d != NULL; d = d->next) { gint stream_id = GVC_MIXER_UI_DEVICE_INVALID; device = d->data; g_object_get (G_OBJECT (device), "stream-id", &stream_id, NULL); if (stream_id == gvc_mixer_stream_get_id (stream)) gvc_mixer_ui_device_invalidate_stream (device); } g_list_free (devices); } } g_hash_table_remove (control->priv->sinks, GUINT_TO_POINTER (index)); remove_stream (control, stream); } static void remove_source (GvcMixerControl *control, guint index) { GvcMixerStream *stream; GvcMixerUIDevice *device; g_debug ("Removing source: index=%u", index); stream = g_hash_table_lookup (control->priv->sources, GUINT_TO_POINTER (index)); if (stream == NULL) return; device = gvc_mixer_control_lookup_device_from_stream (control, stream); if (device != NULL) { gvc_mixer_ui_device_invalidate_stream (device); if (!gvc_mixer_ui_device_has_ports (device)) { g_signal_emit (G_OBJECT (control), signals[INPUT_REMOVED], 0, gvc_mixer_ui_device_get_id (device)); } else { GList *devices, *d; devices = g_hash_table_get_values (control->priv->ui_inputs); for (d = devices; d != NULL; d = d->next) { gint stream_id = GVC_MIXER_UI_DEVICE_INVALID; device = d->data; g_object_get (G_OBJECT (device), "stream-id", &stream_id, NULL); if (stream_id == gvc_mixer_stream_get_id (stream)) gvc_mixer_ui_device_invalidate_stream (device); } g_list_free (devices); } } g_hash_table_remove (control->priv->sources, GUINT_TO_POINTER (index)); remove_stream (control, stream); } static void remove_sink_input (GvcMixerControl *control, guint index) { GvcMixerStream *stream; g_debug ("Removing sink input: index=%u", index); stream = g_hash_table_lookup (control->priv->sink_inputs, GUINT_TO_POINTER (index)); if (stream == NULL) { return; } g_hash_table_remove (control->priv->sink_inputs, GUINT_TO_POINTER (index)); remove_stream (control, stream); } static void remove_source_output (GvcMixerControl *control, guint index) { GvcMixerStream *stream; g_debug ("Removing source output: index=%u", index); stream = g_hash_table_lookup (control->priv->source_outputs, GUINT_TO_POINTER (index)); if (stream == NULL) { return; } g_hash_table_remove (control->priv->source_outputs, GUINT_TO_POINTER (index)); remove_stream (control, stream); } static void _pa_context_subscribe_cb (pa_context *context, pa_subscription_event_type_t t, uint32_t index, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) { case PA_SUBSCRIPTION_EVENT_SINK: if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) { remove_sink (control, index); } else { req_update_sink_info (control, index); } break; case PA_SUBSCRIPTION_EVENT_SOURCE: if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) { remove_source (control, index); } else { req_update_source_info (control, index); } break; case PA_SUBSCRIPTION_EVENT_SINK_INPUT: if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) { remove_sink_input (control, index); } else { req_update_sink_input_info (control, index); } break; case PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT: if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) { remove_source_output (control, index); } else { req_update_source_output_info (control, index); } break; case PA_SUBSCRIPTION_EVENT_CLIENT: if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) { remove_client (control, index); } else { req_update_client_info (control, index); } break; case PA_SUBSCRIPTION_EVENT_SERVER: req_update_server_info (control, index); break; case PA_SUBSCRIPTION_EVENT_CARD: if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) { remove_card (control, index); } else { req_update_card (control, index); } break; } } static void gvc_mixer_control_ready (GvcMixerControl *control) { pa_operation *o; pa_context_set_subscribe_callback (control->priv->pa_context, _pa_context_subscribe_cb, control); o = pa_context_subscribe (control->priv->pa_context, (pa_subscription_mask_t) (PA_SUBSCRIPTION_MASK_SINK| PA_SUBSCRIPTION_MASK_SOURCE| PA_SUBSCRIPTION_MASK_SINK_INPUT| PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT| PA_SUBSCRIPTION_MASK_CLIENT| PA_SUBSCRIPTION_MASK_SERVER| PA_SUBSCRIPTION_MASK_CARD), NULL, NULL); if (o == NULL) { g_warning ("pa_context_subscribe() failed"); return; } pa_operation_unref (o); req_update_server_info (control, -1); req_update_card (control, -1); req_update_client_info (control, -1); req_update_sink_info (control, -1); req_update_source_info (control, -1); req_update_sink_input_info (control, -1); req_update_source_output_info (control, -1); control->priv->n_outstanding = 6; /* This call is not always supported */ o = pa_ext_stream_restore_read (control->priv->pa_context, _pa_ext_stream_restore_read_cb, control); if (o != NULL) { pa_operation_unref (o); control->priv->n_outstanding++; pa_ext_stream_restore_set_subscribe_cb (control->priv->pa_context, _pa_ext_stream_restore_subscribe_cb, control); o = pa_ext_stream_restore_subscribe (control->priv->pa_context, 1, NULL, NULL); if (o != NULL) { pa_operation_unref (o); } } else { g_debug ("Failed to initialized stream_restore extension: %s", pa_strerror (pa_context_errno (control->priv->pa_context))); } } static void gvc_mixer_new_pa_context (GvcMixerControl *self) { pa_proplist *proplist; g_return_if_fail (self); g_return_if_fail (!self->priv->pa_context); proplist = pa_proplist_new (); pa_proplist_sets (proplist, PA_PROP_APPLICATION_NAME, self->priv->name); pa_proplist_sets (proplist, PA_PROP_APPLICATION_ID, "org.gnome.VolumeControl"); pa_proplist_sets (proplist, PA_PROP_APPLICATION_ICON_NAME, "multimedia-volume-control"); pa_proplist_sets (proplist, PA_PROP_APPLICATION_VERSION, PACKAGE_VERSION); self->priv->pa_context = pa_context_new_with_proplist (self->priv->pa_api, NULL, proplist); pa_proplist_free (proplist); g_assert (self->priv->pa_context); } static void remove_all_streams (GvcMixerControl *control, GHashTable *hash_table) { GHashTableIter iter; gpointer key, value; g_hash_table_iter_init (&iter, hash_table); while (g_hash_table_iter_next (&iter, &key, &value)) { remove_stream (control, value); g_hash_table_iter_remove (&iter); } } static gboolean idle_reconnect (gpointer data) { GvcMixerControl *control = GVC_MIXER_CONTROL (data); GHashTableIter iter; gpointer key, value; g_return_val_if_fail (control, FALSE); if (control->priv->pa_context) { pa_context_unref (control->priv->pa_context); control->priv->pa_context = NULL; gvc_mixer_new_pa_context (control); } remove_all_streams (control, control->priv->sinks); remove_all_streams (control, control->priv->sources); remove_all_streams (control, control->priv->sink_inputs); remove_all_streams (control, control->priv->source_outputs); g_hash_table_iter_init (&iter, control->priv->clients); while (g_hash_table_iter_next (&iter, &key, &value)) g_hash_table_iter_remove (&iter); gvc_mixer_control_open (control); /* cannot fail */ control->priv->reconnect_id = 0; return FALSE; } static void _pa_context_state_cb (pa_context *context, void *userdata) { GvcMixerControl *control = GVC_MIXER_CONTROL (userdata); switch (pa_context_get_state (context)) { case PA_CONTEXT_UNCONNECTED: case PA_CONTEXT_CONNECTING: case PA_CONTEXT_AUTHORIZING: case PA_CONTEXT_SETTING_NAME: break; case PA_CONTEXT_READY: gvc_mixer_control_ready (control); break; case PA_CONTEXT_FAILED: control->priv->state = GVC_STATE_FAILED; g_signal_emit (control, signals[STATE_CHANGED], 0, GVC_STATE_FAILED); if (control->priv->reconnect_id == 0) control->priv->reconnect_id = g_timeout_add_seconds (RECONNECT_DELAY, idle_reconnect, control); break; case PA_CONTEXT_TERMINATED: default: /* FIXME: */ break; } } gboolean gvc_mixer_control_open (GvcMixerControl *control) { int res; g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE); g_return_val_if_fail (control->priv->pa_context != NULL, FALSE); g_return_val_if_fail (pa_context_get_state (control->priv->pa_context) == PA_CONTEXT_UNCONNECTED, FALSE); pa_context_set_state_callback (control->priv->pa_context, _pa_context_state_cb, control); control->priv->state = GVC_STATE_CONNECTING; g_signal_emit (G_OBJECT (control), signals[STATE_CHANGED], 0, GVC_STATE_CONNECTING); res = pa_context_connect (control->priv->pa_context, NULL, (pa_context_flags_t) PA_CONTEXT_NOFAIL, NULL); if (res < 0) { g_warning ("Failed to connect context: %s", pa_strerror (pa_context_errno (control->priv->pa_context))); } return res; } gboolean gvc_mixer_control_close (GvcMixerControl *control) { g_return_val_if_fail (GVC_IS_MIXER_CONTROL (control), FALSE); g_return_val_if_fail (control->priv->pa_context != NULL, FALSE); pa_context_disconnect (control->priv->pa_context); control->priv->state = GVC_STATE_CLOSED; g_signal_emit (G_OBJECT (control), signals[STATE_CHANGED], 0, GVC_STATE_CLOSED); return TRUE; } static void gvc_mixer_control_dispose (GObject *object) { GvcMixerControl *control = GVC_MIXER_CONTROL (object); if (control->priv->reconnect_id != 0) { g_source_remove (control->priv->reconnect_id); control->priv->reconnect_id = 0; } if (control->priv->pa_context != NULL) { pa_context_unref (control->priv->pa_context); control->priv->pa_context = NULL; } if (control->priv->default_source_name != NULL) { g_free (control->priv->default_source_name); control->priv->default_source_name = NULL; } if (control->priv->default_sink_name != NULL) { g_free (control->priv->default_sink_name); control->priv->default_sink_name = NULL; } if (control->priv->pa_mainloop != NULL) { pa_glib_mainloop_free (control->priv->pa_mainloop); control->priv->pa_mainloop = NULL; } if (control->priv->all_streams != NULL) { g_hash_table_destroy (control->priv->all_streams); control->priv->all_streams = NULL; } if (control->priv->sinks != NULL) { g_hash_table_destroy (control->priv->sinks); control->priv->sinks = NULL; } if (control->priv->sources != NULL) { g_hash_table_destroy (control->priv->sources); control->priv->sources = NULL; } if (control->priv->sink_inputs != NULL) { g_hash_table_destroy (control->priv->sink_inputs); control->priv->sink_inputs = NULL; } if (control->priv->source_outputs != NULL) { g_hash_table_destroy (control->priv->source_outputs); control->priv->source_outputs = NULL; } if (control->priv->clients != NULL) { g_hash_table_destroy (control->priv->clients); control->priv->clients = NULL; } if (control->priv->cards != NULL) { g_hash_table_destroy (control->priv->cards); control->priv->cards = NULL; } if (control->priv->ui_outputs != NULL) { g_hash_table_destroy (control->priv->ui_outputs); control->priv->ui_outputs = NULL; } if (control->priv->ui_inputs != NULL) { g_hash_table_destroy (control->priv->ui_inputs); control->priv->ui_inputs = NULL; } G_OBJECT_CLASS (gvc_mixer_control_parent_class)->dispose (object); } static void gvc_mixer_control_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GvcMixerControl *self = GVC_MIXER_CONTROL (object); switch (prop_id) { case PROP_NAME: g_free (self->priv->name); self->priv->name = g_value_dup_string (value); g_object_notify (G_OBJECT (self), "name"); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gvc_mixer_control_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GvcMixerControl *self = GVC_MIXER_CONTROL (object); switch (prop_id) { case PROP_NAME: g_value_set_string (value, self->priv->name); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static GObject * gvc_mixer_control_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_params) { GObject *object; GvcMixerControl *self; object = G_OBJECT_CLASS (gvc_mixer_control_parent_class)->constructor (type, n_construct_properties, construct_params); self = GVC_MIXER_CONTROL (object); gvc_mixer_new_pa_context (self); self->priv->profile_swapping_device_id = GVC_MIXER_UI_DEVICE_INVALID; return object; } static void gvc_mixer_control_class_init (GvcMixerControlClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->constructor = gvc_mixer_control_constructor; object_class->dispose = gvc_mixer_control_dispose; object_class->finalize = gvc_mixer_control_finalize; object_class->set_property = gvc_mixer_control_set_property; object_class->get_property = gvc_mixer_control_get_property; g_object_class_install_property (object_class, PROP_NAME, g_param_spec_string ("name", "Name", "Name to display for this mixer control", NULL, G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY)); signals [STATE_CHANGED] = g_signal_new ("state-changed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, state_changed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [STREAM_ADDED] = g_signal_new ("stream-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, stream_added), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [STREAM_REMOVED] = g_signal_new ("stream-removed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, stream_removed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [CARD_ADDED] = g_signal_new ("card-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, card_added), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [CARD_REMOVED] = g_signal_new ("card-removed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, card_removed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [DEFAULT_SINK_CHANGED] = g_signal_new ("default-sink-changed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, default_sink_changed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [DEFAULT_SOURCE_CHANGED] = g_signal_new ("default-source-changed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, default_source_changed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [ACTIVE_OUTPUT_UPDATE] = g_signal_new ("active-output-update", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, active_output_update), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [ACTIVE_INPUT_UPDATE] = g_signal_new ("active-input-update", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, active_input_update), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [OUTPUT_ADDED] = g_signal_new ("output-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, output_added), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [INPUT_ADDED] = g_signal_new ("input-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, input_added), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [OUTPUT_REMOVED] = g_signal_new ("output-removed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, output_removed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); signals [INPUT_REMOVED] = g_signal_new ("input-removed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GvcMixerControlClass, input_removed), NULL, NULL, g_cclosure_marshal_VOID__UINT, G_TYPE_NONE, 1, G_TYPE_UINT); g_type_class_add_private (klass, sizeof (GvcMixerControlPrivate)); } static void gvc_mixer_control_init (GvcMixerControl *control) { control->priv = GVC_MIXER_CONTROL_GET_PRIVATE (control); control->priv->pa_mainloop = pa_glib_mainloop_new (g_main_context_default ()); g_assert (control->priv->pa_mainloop); control->priv->pa_api = pa_glib_mainloop_get_api (control->priv->pa_mainloop); g_assert (control->priv->pa_api); control->priv->all_streams = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->sinks = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->sources = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->sink_inputs = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->source_outputs = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->cards = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->ui_outputs = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->ui_inputs = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref); control->priv->clients = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_free); control->priv->state = GVC_STATE_CLOSED; } static void gvc_mixer_control_finalize (GObject *object) { GvcMixerControl *mixer_control; g_return_if_fail (object != NULL); g_return_if_fail (GVC_IS_MIXER_CONTROL (object)); mixer_control = GVC_MIXER_CONTROL (object); g_free (mixer_control->priv->name); mixer_control->priv->name = NULL; g_return_if_fail (mixer_control->priv != NULL); G_OBJECT_CLASS (gvc_mixer_control_parent_class)->finalize (object); } GvcMixerControl * gvc_mixer_control_new (const char *name) { GObject *control; control = g_object_new (GVC_TYPE_MIXER_CONTROL, "name", name, NULL); return GVC_MIXER_CONTROL (control); } gdouble gvc_mixer_control_get_vol_max_norm (GvcMixerControl *control) { return (gdouble) PA_VOLUME_NORM; } gdouble gvc_mixer_control_get_vol_max_amplified (GvcMixerControl *control) { return (gdouble) PA_VOLUME_UI_MAX; }