/* * Copyright (C) 2014 Michal Ratajsky * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the licence, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ #include #include #include #include #include #include #include #include #include "pulse-connection.h" #include "pulse-helpers.h" #include "pulse-stream.h" struct _PulseStreamPrivate { guint32 index; guint32 index_device; gchar *name; gchar *description; gchar *icon; MateMixerDevice *device; MateMixerStreamFlags flags; MateMixerStreamStatus status; gboolean mute; pa_cvolume volume; pa_volume_t volume_base; guint32 volume_steps; pa_channel_map channel_map; gdouble balance; gdouble fade; GList *ports; MateMixerPort *port; PulseConnection *connection; }; enum { PROP_0, PROP_NAME, PROP_DESCRIPTION, PROP_ICON, PROP_DEVICE, PROP_FLAGS, PROP_STATUS, PROP_MUTE, PROP_NUM_CHANNELS, PROP_VOLUME, PROP_VOLUME_DB, PROP_BALANCE, PROP_FADE, PROP_ACTIVE_PORT, PROP_INDEX, PROP_CONNECTION, N_PROPERTIES }; static void mate_mixer_stream_interface_init (MateMixerStreamInterface *iface); static void pulse_stream_class_init (PulseStreamClass *klass); static void pulse_stream_init (PulseStream *stream); static void pulse_stream_dispose (GObject *object); static void pulse_stream_finalize (GObject *object); /* Interface implementation */ static const gchar * stream_get_name (MateMixerStream *stream); static const gchar * stream_get_description (MateMixerStream *stream); static const gchar * stream_get_icon (MateMixerStream *stream); static MateMixerDevice * stream_get_device (MateMixerStream *stream); static MateMixerStreamFlags stream_get_flags (MateMixerStream *stream); static MateMixerStreamStatus stream_get_status (MateMixerStream *stream); static gboolean stream_get_mute (MateMixerStream *stream); static gboolean stream_set_mute (MateMixerStream *stream, gboolean mute); static guint stream_get_num_channels (MateMixerStream *stream); static gint64 stream_get_volume (MateMixerStream *stream); static gboolean stream_set_volume (MateMixerStream *stream, gint64 volume); static gdouble stream_get_volume_db (MateMixerStream *stream); static gboolean stream_set_volume_db (MateMixerStream *stream, gdouble volume_db); static MateMixerChannelPosition stream_get_channel_position (MateMixerStream *stream, guint channel); static gint64 stream_get_channel_volume (MateMixerStream *stream, guint channel); static gboolean stream_set_channel_volume (MateMixerStream *stream, guint channel, gint64 volume); static gdouble stream_get_channel_volume_db (MateMixerStream *stream, guint channel); static gboolean stream_set_channel_volume_db (MateMixerStream *stream, guint channel, gdouble volume_db); static gboolean stream_has_position (MateMixerStream *stream, MateMixerChannelPosition position); static gint64 stream_get_position_volume (MateMixerStream *stream, MateMixerChannelPosition position); static gboolean stream_set_position_volume (MateMixerStream *stream, MateMixerChannelPosition position, gint64 volume); static gdouble stream_get_position_volume_db (MateMixerStream *stream, MateMixerChannelPosition position); static gboolean stream_set_position_volume_db (MateMixerStream *stream, MateMixerChannelPosition position, gdouble volume_db); static gdouble stream_get_balance (MateMixerStream *stream); static gboolean stream_set_balance (MateMixerStream *stream, gdouble balance); static gdouble stream_get_fade (MateMixerStream *stream); static gboolean stream_set_fade (MateMixerStream *stream, gdouble fade); static gboolean stream_suspend (MateMixerStream *stream); static gboolean stream_resume (MateMixerStream *stream); static const GList * stream_list_ports (MateMixerStream *stream); static MateMixerPort * stream_get_active_port (MateMixerStream *stream); static gboolean stream_set_active_port (MateMixerStream *stream, const gchar *port); static gint64 stream_get_min_volume (MateMixerStream *stream); static gint64 stream_get_max_volume (MateMixerStream *stream); static gint64 stream_get_normal_volume (MateMixerStream *stream); G_DEFINE_ABSTRACT_TYPE_WITH_CODE (PulseStream, pulse_stream, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (MATE_MIXER_TYPE_STREAM, mate_mixer_stream_interface_init)) static void mate_mixer_stream_interface_init (MateMixerStreamInterface *iface) { iface->get_name = stream_get_name; iface->get_description = stream_get_description; iface->get_icon = stream_get_icon; iface->get_device = stream_get_device; iface->get_flags = stream_get_flags; iface->get_status = stream_get_status; iface->get_mute = stream_get_mute; iface->set_mute = stream_set_mute; iface->get_num_channels = stream_get_num_channels; iface->get_volume = stream_get_volume; iface->set_volume = stream_set_volume; iface->get_volume_db = stream_get_volume_db; iface->set_volume_db = stream_set_volume_db; iface->get_channel_position = stream_get_channel_position; iface->get_channel_volume = stream_get_channel_volume; iface->set_channel_volume = stream_set_channel_volume; iface->get_channel_volume_db = stream_get_channel_volume_db; iface->set_channel_volume_db = stream_set_channel_volume_db; iface->has_position = stream_has_position; iface->get_position_volume = stream_get_position_volume; iface->set_position_volume = stream_set_position_volume; iface->get_position_volume_db = stream_get_position_volume_db; iface->set_position_volume_db = stream_set_position_volume_db; iface->get_balance = stream_get_balance; iface->set_balance = stream_set_balance; iface->get_fade = stream_get_fade; iface->set_fade = stream_set_fade; iface->suspend = stream_suspend; iface->resume = stream_resume; iface->list_ports = stream_list_ports; iface->get_active_port = stream_get_active_port; iface->set_active_port = stream_set_active_port; iface->get_min_volume = stream_get_min_volume; iface->get_max_volume = stream_get_max_volume; iface->get_normal_volume = stream_get_normal_volume; } static void pulse_stream_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec) { PulseStream *stream; stream = PULSE_STREAM (object); switch (param_id) { case PROP_NAME: g_value_set_string (value, stream->priv->name); break; case PROP_DESCRIPTION: g_value_set_string (value, stream->priv->description); break; case PROP_ICON: g_value_set_string (value, stream->priv->icon); break; case PROP_DEVICE: g_value_set_object (value, stream->priv->device); break; case PROP_FLAGS: g_value_set_flags (value, stream->priv->flags); break; case PROP_STATUS: g_value_set_enum (value, stream->priv->status); break; case PROP_MUTE: g_value_set_boolean (value, stream->priv->mute); break; case PROP_NUM_CHANNELS: g_value_set_uint (value, stream_get_num_channels (MATE_MIXER_STREAM (stream))); break; case PROP_VOLUME: g_value_set_int64 (value, stream_get_volume (MATE_MIXER_STREAM (stream))); break; case PROP_VOLUME_DB: g_value_set_double (value, stream_get_volume_db (MATE_MIXER_STREAM (stream))); break; case PROP_BALANCE: g_value_set_double (value, stream->priv->balance); break; case PROP_FADE: g_value_set_double (value, stream->priv->fade); break; case PROP_ACTIVE_PORT: g_value_set_object (value, stream->priv->port); break; case PROP_INDEX: g_value_set_uint (value, stream->priv->index); break; case PROP_CONNECTION: g_value_set_object (value, stream->priv->connection); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void pulse_stream_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { PulseStream *stream; stream = PULSE_STREAM (object); switch (param_id) { case PROP_NAME: stream->priv->name = g_strdup (g_value_dup_string (value)); break; case PROP_DESCRIPTION: stream->priv->description = g_strdup (g_value_get_string (value)); break; case PROP_ICON: stream->priv->icon = g_strdup (g_value_get_string (value)); break; case PROP_DEVICE: // XXX may be NULL and the device may become known after the stream, // figure this out.. // stream->priv->device = g_object_ref (g_value_get_object (value)); break; case PROP_FLAGS: stream->priv->flags = g_value_get_flags (value); break; case PROP_STATUS: stream->priv->status = g_value_get_enum (value); break; case PROP_MUTE: stream->priv->mute = g_value_get_boolean (value); break; case PROP_INDEX: stream->priv->index = g_value_get_uint (value); break; case PROP_CONNECTION: stream->priv->connection = g_value_dup_object (value); break; case PROP_ACTIVE_PORT: break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void pulse_stream_class_init (PulseStreamClass *klass) { GObjectClass *object_class; object_class = G_OBJECT_CLASS (klass); object_class->dispose = pulse_stream_dispose; object_class->finalize = pulse_stream_finalize; object_class->get_property = pulse_stream_get_property; object_class->set_property = pulse_stream_set_property; g_object_class_install_property (object_class, PROP_INDEX, g_param_spec_uint ("index", "Index", "Stream index", 0, G_MAXUINT, 0, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_CONNECTION, g_param_spec_object ("connection", "Connection", "PulseAudio connection", PULSE_TYPE_CONNECTION, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_override_property (object_class, PROP_NAME, "name"); g_object_class_override_property (object_class, PROP_DESCRIPTION, "description"); g_object_class_override_property (object_class, PROP_ICON, "icon"); g_object_class_override_property (object_class, PROP_DEVICE, "device"); g_object_class_override_property (object_class, PROP_FLAGS, "flags"); g_object_class_override_property (object_class, PROP_STATUS, "status"); g_object_class_override_property (object_class, PROP_MUTE, "mute"); g_object_class_override_property (object_class, PROP_NUM_CHANNELS, "num-channels"); g_object_class_override_property (object_class, PROP_VOLUME, "volume"); g_object_class_override_property (object_class, PROP_VOLUME_DB, "volume-db"); g_object_class_override_property (object_class, PROP_BALANCE, "balance"); g_object_class_override_property (object_class, PROP_FADE, "fade"); g_object_class_override_property (object_class, PROP_ACTIVE_PORT, "active-port"); g_type_class_add_private (object_class, sizeof (PulseStreamPrivate)); } static void pulse_stream_init (PulseStream *stream) { stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (stream, PULSE_TYPE_STREAM, PulseStreamPrivate); } static void pulse_stream_dispose (GObject *object) { PulseStream *stream; stream = PULSE_STREAM (object); if (stream->priv->ports) { g_list_free_full (stream->priv->ports, g_object_unref); stream->priv->ports = NULL; } g_clear_object (&stream->priv->port); g_clear_object (&stream->priv->device); g_clear_object (&stream->priv->connection); G_OBJECT_CLASS (pulse_stream_parent_class)->dispose (object); } static void pulse_stream_finalize (GObject *object) { PulseStream *stream; stream = PULSE_STREAM (object); g_free (stream->priv->name); g_free (stream->priv->description); g_free (stream->priv->icon); G_OBJECT_CLASS (pulse_stream_parent_class)->finalize (object); } guint32 pulse_stream_get_index (PulseStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return stream->priv->index; } PulseConnection * pulse_stream_get_connection (PulseStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), NULL); return stream->priv->connection; } gboolean pulse_stream_update_name (PulseStream *stream, const gchar *name) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); /* Allow the name to be NULL */ if (g_strcmp0 (name, stream->priv->name)) { g_free (stream->priv->name); stream->priv->name = g_strdup (name); g_object_notify (G_OBJECT (stream), "name"); } return TRUE; } gboolean pulse_stream_update_description (PulseStream *stream, const gchar *description) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); /* Allow the description to be NULL */ if (g_strcmp0 (description, stream->priv->description)) { g_free (stream->priv->description); stream->priv->description = g_strdup (description); g_object_notify (G_OBJECT (stream), "description"); } return TRUE; } gboolean pulse_stream_update_flags (PulseStream *stream, MateMixerStreamFlags flags) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); if (stream->priv->flags != flags) { stream->priv->flags = flags; g_object_notify (G_OBJECT (stream), "flags"); } return TRUE; } gboolean pulse_stream_update_status (PulseStream *stream, MateMixerStreamStatus status) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); if (stream->priv->status != status) { stream->priv->status = status; g_object_notify (G_OBJECT (stream), "status"); } return TRUE; } gboolean pulse_stream_update_mute (PulseStream *stream, gboolean mute) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); if (stream->priv->mute != mute) { stream->priv->mute = mute; g_object_notify (G_OBJECT (stream), "mute"); } return TRUE; } gboolean pulse_stream_update_volume (PulseStream *stream, const pa_cvolume *volume) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); if (!pa_cvolume_equal (&stream->priv->volume, volume)) { stream->priv->volume = *volume; g_object_notify (G_OBJECT (stream), "volume"); // XXX probably should notify about volume-db too but the flags may // be known later } return TRUE; } gboolean pulse_stream_update_volume_extended (PulseStream *stream, const pa_cvolume *volume, pa_volume_t volume_base, guint32 volume_steps) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); // XXX use volume_base and volume_steps if (!pa_cvolume_equal (&stream->priv->volume, volume)) { stream->priv->volume = *volume; g_object_notify (G_OBJECT (stream), "volume"); // XXX probably should notify about volume-db too but the flags may // be known later } stream->priv->volume_base = volume_base; stream->priv->volume_steps = volume_steps; return TRUE; } gboolean pulse_stream_update_channel_map (PulseStream *stream, const pa_channel_map *map) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); if (!pa_channel_map_equal (&stream->priv->channel_map, map)) stream->priv->channel_map = *map; return TRUE; } gboolean pulse_stream_update_ports (PulseStream *stream, GList *ports) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); /* Right now we do not change the list of ports during update */ g_warn_if_fail (stream->priv->ports == NULL); stream->priv->ports = ports; return TRUE; } gboolean pulse_stream_update_active_port (PulseStream *stream, const gchar *port_name) { GList *list; MateMixerPort *port = NULL; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); list = stream->priv->ports; while (list) { port = MATE_MIXER_PORT (list->data); if (!g_strcmp0 (mate_mixer_port_get_name (port), port_name)) break; port = NULL; list = list->next; } if (stream->priv->port != port) { if (stream->priv->port) g_clear_object (&stream->priv->port); if (port) stream->priv->port = g_object_ref (port); g_object_notify (G_OBJECT (stream), "active-port"); } return TRUE; } static const gchar * stream_get_name (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->name; } static const gchar * stream_get_description (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->description; } static const gchar * stream_get_icon (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->icon; } static MateMixerDevice * stream_get_device (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->device; } static MateMixerStreamFlags stream_get_flags (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->flags; } static MateMixerStreamStatus stream_get_status (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->status; } static gboolean stream_get_mute (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->mute; } static gboolean stream_set_mute (MateMixerStream *stream, gboolean mute) { PulseStream *ps; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); ps = PULSE_STREAM (stream); if (ps->priv->mute == mute) return TRUE; return PULSE_STREAM_GET_CLASS (stream)->set_mute (stream, mute); } static guint stream_get_num_channels (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->volume.channels; } static gint64 stream_get_volume (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return (gint64) pa_cvolume_max (&PULSE_STREAM (stream)->priv->volume); } static gboolean stream_set_volume (MateMixerStream *stream, gint64 volume) { pa_cvolume cvolume; PulseStream *ps; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); ps = PULSE_STREAM (stream); cvolume = ps->priv->volume; if (pa_cvolume_scale (&cvolume, (pa_volume_t) volume) == NULL) { g_warning ("Invalid PulseAudio volume value %" G_GINT64_FORMAT, volume); return FALSE; } /* This is the only function which passes a volume request to the real class, so * all the pa_cvolume validations are only done here */ return PULSE_STREAM_GET_CLASS (stream)->set_volume (stream, &cvolume); } static gdouble stream_get_volume_db (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), 0.0); if (!(mate_mixer_stream_get_flags (stream) & MATE_MIXER_STREAM_HAS_DECIBEL_VOLUME)) return FALSE; return pa_sw_volume_to_dB (stream_get_volume (stream)); } static gboolean stream_set_volume_db (MateMixerStream *stream, gdouble volume_db) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); if (!(mate_mixer_stream_get_flags (stream) & MATE_MIXER_STREAM_HAS_DECIBEL_VOLUME)) return FALSE; return stream_set_volume (stream, pa_sw_volume_from_dB (volume_db)); } static MateMixerChannelPosition stream_get_channel_position (MateMixerStream *stream, guint channel) { PulseStream *ps; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); ps = PULSE_STREAM (stream); if (channel >= ps->priv->channel_map.channels) { g_warning ("Invalid channel %u of stream %s", channel, ps->priv->name); return MATE_MIXER_CHANNEL_UNKNOWN_POSITION; } return pulse_convert_position_to_pulse (ps->priv->channel_map.map[channel]); } static gint64 stream_get_channel_volume (MateMixerStream *stream, guint channel) { PulseStream *ps; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); ps = PULSE_STREAM (stream); if (channel >= ps->priv->volume.channels) { g_warning ("Invalid channel %u of stream %s", channel, ps->priv->name); return stream_get_min_volume (stream); } return (gint64) ps->priv->volume.values[channel]; } static gboolean stream_set_channel_volume (MateMixerStream *stream, guint channel, gint64 volume) { pa_cvolume cvolume; PulseStream *pstream; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); pstream = PULSE_STREAM (stream); cvolume = pstream->priv->volume; if (channel >= pstream->priv->volume.channels) { g_warning ("Invalid channel %u of stream %s", channel, pstream->priv->name); return FALSE; } cvolume.values[channel] = (pa_volume_t) volume; if (!pa_cvolume_valid (&cvolume)) { g_warning ("Invalid PulseAudio volume value %" G_GINT64_FORMAT, volume); return FALSE; } return PULSE_STREAM_GET_CLASS (stream)->set_volume (stream, &cvolume); } static gdouble stream_get_channel_volume_db (MateMixerStream *stream, guint channel) { PulseStream *pstream; g_return_val_if_fail (PULSE_IS_STREAM (stream), 0.0); pstream = PULSE_STREAM (stream); if (channel >= pstream->priv->volume.channels) { g_warning ("Invalid channel %u of stream %s", channel, pstream->priv->name); return 0.0; } return pa_sw_volume_to_dB (pstream->priv->volume.values[channel]); } static gboolean stream_set_channel_volume_db (MateMixerStream *stream, guint channel, gdouble volume_db) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return stream_set_channel_volume (stream, channel, pa_sw_volume_from_dB (volume_db)); } static gboolean stream_has_position (MateMixerStream *stream, MateMixerChannelPosition position) { PulseStreamPrivate *priv; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); priv = PULSE_STREAM (stream)->priv; return pa_channel_map_has_position (&priv->channel_map, pulse_convert_position_to_pulse (position)); } static gint64 stream_get_position_volume (MateMixerStream *stream, MateMixerChannelPosition position) { PulseStreamPrivate *priv; g_return_val_if_fail (PULSE_IS_STREAM (stream), 0); priv = PULSE_STREAM (stream)->priv; return pa_cvolume_get_position (&priv->volume, &priv->channel_map, pulse_convert_position_to_pulse (position)); } static gboolean stream_set_position_volume (MateMixerStream *stream, MateMixerChannelPosition position, gint64 volume) { PulseStreamPrivate *priv; pa_cvolume cvolume; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); priv = PULSE_STREAM (stream)->priv; cvolume = priv->volume; if (!pa_cvolume_set_position (&cvolume, &priv->channel_map, pulse_convert_position_to_pulse (position), (pa_volume_t) volume)) { return FALSE; } return PULSE_STREAM_GET_CLASS (stream)->set_volume (stream, &cvolume); } static gdouble stream_get_position_volume_db (MateMixerStream *stream, MateMixerChannelPosition position) { g_return_val_if_fail (PULSE_IS_STREAM (stream), 0.0); return pa_sw_volume_to_dB (stream_get_position_volume (stream, position)); } static gboolean stream_set_position_volume_db (MateMixerStream *stream, MateMixerChannelPosition position, gdouble volume_db) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return stream_set_position_volume (stream, position, pa_sw_volume_from_dB (volume_db)); } static gdouble stream_get_balance (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), 0.0); return PULSE_STREAM (stream)->priv->balance; } static gboolean stream_set_balance (MateMixerStream *stream, gdouble balance) { PulseStream *pstream; pa_cvolume cvolume; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); pstream = PULSE_STREAM (stream); cvolume = pstream->priv->volume; if (balance == pstream->priv->balance) return TRUE; if (pa_cvolume_set_balance (&cvolume, &pstream->priv->channel_map, (float) balance) == NULL) { return FALSE; } return PULSE_STREAM_GET_CLASS (stream)->set_volume (stream, &cvolume); } static gdouble stream_get_fade (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->fade; } static gboolean stream_set_fade (MateMixerStream *stream, gdouble fade) { pa_cvolume cvolume; PulseStream *pstream; g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); pstream = PULSE_STREAM (stream); cvolume = pstream->priv->volume; if (fade == pstream->priv->fade) return TRUE; if (pa_cvolume_set_fade (&cvolume, &pstream->priv->channel_map, (float) fade) == NULL) { return FALSE; } return PULSE_STREAM_GET_CLASS (stream)->set_volume (stream, &cvolume); } static gboolean stream_suspend (MateMixerStream *stream) { // TODO return TRUE; } static gboolean stream_resume (MateMixerStream *stream) { // TODO return TRUE; } static const GList * stream_list_ports (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return (const GList *) PULSE_STREAM (stream)->priv->ports; } static MateMixerPort * stream_get_active_port (MateMixerStream *stream) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); return PULSE_STREAM (stream)->priv->port; } static gboolean stream_set_active_port (MateMixerStream *stream, const gchar *port_name) { g_return_val_if_fail (PULSE_IS_STREAM (stream), FALSE); g_return_val_if_fail (port_name != NULL, FALSE); return PULSE_STREAM_GET_CLASS (stream)->set_active_port (stream, port_name); } static gint64 stream_get_min_volume (MateMixerStream *stream) { return (gint64) PA_VOLUME_MUTED; } static gint64 stream_get_max_volume (MateMixerStream *stream) { return (gint64) PA_VOLUME_UI_MAX; } static gint64 stream_get_normal_volume (MateMixerStream *stream) { return (gint64) PA_VOLUME_NORM; }