Weekly update

1 files changed, 213 insertions, 0 deletions

diff --git a/backends/pulse/pulse-source.c b/backends/pulse/pulse-source.c
index e69de29..2aea6b6 100644
--- a/backends/pulse/pulse-source.c
+++ b/backends/pulse/pulse-source.c
@@ -0,0 +1,213 @@
+/*
+ * Copyright (C) 2014 Michal Ratajsky <[email protected]>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include <libmatemixer/matemixer-stream.h>
+#include <libmatemixer/matemixer-port.h>
+
+#include <pulse/pulseaudio.h>
+
+#include "pulse-connection.h"
+#include "pulse-stream.h"
+#include "pulse-source.h"
+
+struct _PulseSourcePrivate
+{
+    guint32 index_monitored_sink;
+};
+
+static gboolean source_set_mute        (MateMixerStream *stream,
+                                        gboolean         mute);
+static gboolean source_set_volume      (MateMixerStream *stream,
+                                        pa_cvolume      *volume);
+static gboolean source_set_active_port (MateMixerStream *stream,
+                                        const gchar     *port_name);
+
+G_DEFINE_TYPE (PulseSource, pulse_source, PULSE_TYPE_STREAM);
+
+static void
+pulse_source_init (PulseSource *source)
+{
+    source->priv = G_TYPE_INSTANCE_GET_PRIVATE (source,
+                                                PULSE_TYPE_SOURCE,
+                                                PulseSourcePrivate);
+}
+
+static void
+pulse_source_class_init (PulseSourceClass *klass)
+{
+    PulseStreamClass *stream_class;
+
+    stream_class = PULSE_STREAM_CLASS (klass);
+
+    stream_class->set_mute        = source_set_mute;
+    stream_class->set_volume      = source_set_volume;
+    stream_class->set_active_port = source_set_active_port;
+
+    g_type_class_add_private (klass, sizeof (PulseSourcePrivate));
+}
+
+PulseStream *
+pulse_source_new (PulseConnection *connection, const pa_source_info *info)
+{
+    PulseSource *source;
+    GList       *ports = NULL;
+    int          i;
+
+    for (i = 0; i < info->n_ports; i++) {
+        MateMixerPort       *port;
+        MateMixerPortStatus  status = MATE_MIXER_PORT_UNKNOWN_STATUS;
+        pa_source_port_info *p_info = info->ports[i];
+
+#if PA_CHECK_VERSION(2, 0, 0)
+        switch (p_info->available) {
+        case PA_PORT_AVAILABLE_YES:
+            status = MATE_MIXER_PORT_AVAILABLE;
+            break;
+        case PA_PORT_AVAILABLE_NO:
+            status = MATE_MIXER_PORT_UNAVAILABLE;
+            break;
+        default:
+            break;
+        }
+#endif
+        port = mate_mixer_port_new (p_info->name,
+                                    p_info->description,
+                                    NULL,
+                                    p_info->priority,
+                                    status);
+
+        ports = g_list_prepend (ports, port);
+    }
+
+    source = g_object_new (PULSE_TYPE_SOURCE,
+                           "connection", connection,
+                           "index", info->index,
+                           NULL);
+
+    /* According to the PulseAudio code, the list of sink port never changes with
+     * updates.
+     * This may be not future-proof, but checking and validating the list of ports on
+     * each update would be an expensive operation, so let's set the list only during
+     * the construction */
+    pulse_stream_update_ports (PULSE_STREAM (source), g_list_reverse (ports));
+
+    /* Other data may change at any time, so let's make a use of our update function */
+    pulse_source_update (PULSE_STREAM (source), info);
+
+    return PULSE_STREAM (source);
+}
+
+gboolean
+pulse_source_update (PulseStream *stream, const pa_source_info *info)
+{
+    PulseSource          *source;
+    MateMixerStreamFlags  flags =   MATE_MIXER_STREAM_INPUT |
+                                    MATE_MIXER_STREAM_HAS_MUTE |
+                                    MATE_MIXER_STREAM_HAS_VOLUME |
+                                    MATE_MIXER_STREAM_CAN_SET_VOLUME;
+
+    g_return_val_if_fail (PULSE_IS_SOURCE (stream), FALSE);
+
+    source = PULSE_SOURCE (stream);
+
+    /* Let all the information update before emitting notify signals */
+    g_object_freeze_notify (G_OBJECT (stream));
+
+    pulse_stream_update_name (stream, info->name);
+    pulse_stream_update_description (stream, info->description);
+    pulse_stream_update_mute (stream, info->mute ? TRUE : FALSE);
+    pulse_stream_update_channel_map (stream, &info->channel_map);
+    pulse_stream_update_volume_extended (stream,
+                                         &info->volume,
+                                         info->base_volume,
+                                         info->n_volume_steps);
+    if (info->active_port)
+        pulse_stream_update_active_port (stream, info->active_port->name);
+
+    switch (info->state) {
+    case PA_SOURCE_RUNNING:
+        pulse_stream_update_status (stream, MATE_MIXER_STREAM_RUNNING);
+        break;
+    case PA_SOURCE_IDLE:
+        pulse_stream_update_status (stream, MATE_MIXER_STREAM_IDLE);
+        break;
+    case PA_SOURCE_SUSPENDED:
+        pulse_stream_update_status (stream, MATE_MIXER_STREAM_SUSPENDED);
+        break;
+    default:
+        pulse_stream_update_status (stream, MATE_MIXER_STREAM_UNKNOWN_STATUS);
+        break;
+    }
+
+    /* Build the flag list */
+    if (info->flags & PA_SINK_DECIBEL_VOLUME)
+        flags |= MATE_MIXER_STREAM_HAS_DECIBEL_VOLUME;
+    if (info->flags & PA_SINK_FLAT_VOLUME)
+        flags |= MATE_MIXER_STREAM_HAS_FLAT_VOLUME;
+
+    if (pa_channel_map_can_balance (&info->channel_map))
+        flags |= MATE_MIXER_STREAM_CAN_BALANCE;
+    if (pa_channel_map_can_fade (&info->channel_map))
+        flags |= MATE_MIXER_STREAM_CAN_FADE;
+
+    pulse_stream_update_flags (stream, flags);
+
+    if (source->priv->index_monitored_sink != info->monitor_of_sink) {
+        source->priv->index_monitored_sink = info->monitor_of_sink;
+
+        // TODO: provide a property
+        // g_object_notify (G_OBJECT (stream), "monitor");
+    }
+
+    g_object_thaw_notify (G_OBJECT (stream));
+    return TRUE;
+}
+
+static gboolean
+source_set_mute (MateMixerStream *stream, gboolean mute)
+{
+    g_return_val_if_fail (PULSE_IS_SOURCE (stream), FALSE);
+
+    return pulse_connection_set_source_mute (pulse_stream_get_connection (PULSE_STREAM (stream)),
+                                             pulse_stream_get_index (PULSE_STREAM (stream)),
+                                             mute);
+}
+
+static gboolean
+source_set_volume (MateMixerStream *stream, pa_cvolume *volume)
+{
+    g_return_val_if_fail (PULSE_IS_SOURCE (stream), FALSE);
+    g_return_val_if_fail (volume != NULL, FALSE);
+
+    return pulse_connection_set_source_volume (pulse_stream_get_connection (PULSE_STREAM (stream)),
+                                               pulse_stream_get_index (PULSE_STREAM (stream)),
+                                               volume);
+}
+
+static gboolean
+source_set_active_port (MateMixerStream *stream, const gchar *port_name)
+{
+    g_return_val_if_fail (PULSE_IS_SOURCE (stream), FALSE);
+    g_return_val_if_fail (port_name != NULL, FALSE);
+
+    return pulse_connection_set_source_port (pulse_stream_get_connection (PULSE_STREAM (stream)),
+                                             pulse_stream_get_index (PULSE_STREAM (stream)),
+                                             port_name);
+}