1 files changed, 220 insertions, 0 deletions
diff --git a/mate-volume-control/src/gvc-mixer-sink.c b/mate-volume-control/src/gvc-mixer-sink.c
new file mode 100644
index 0000000..649b840
--- /dev/null
+++ b/mate-volume-control/src/gvc-mixer-sink.c
@@ -0,0 +1,220 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 William Jon McCann
+ *
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <pulse/pulseaudio.h>
+
+#include "gvc-mixer-sink.h"
+
+#define GVC_MIXER_SINK_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_MIXER_SINK, GvcMixerSinkPrivate))
+
+struct GvcMixerSinkPrivate
+{
+ gpointer dummy;
+};
+
+static void gvc_mixer_sink_class_init (GvcMixerSinkClass *klass);
+static void gvc_mixer_sink_init (GvcMixerSink *mixer_sink);
+static void gvc_mixer_sink_finalize (GObject *object);
+static void gvc_mixer_sink_dispose (GObject *object);
+
+G_DEFINE_TYPE (GvcMixerSink, gvc_mixer_sink, GVC_TYPE_MIXER_STREAM)
+
+static gboolean
+gvc_mixer_sink_push_volume (GvcMixerStream *stream, gpointer *op)
+{
+ pa_operation *o;
+ guint index;
+ const GvcChannelMap *map;
+ pa_context *context;
+ const pa_cvolume *cv;
+
+ index = gvc_mixer_stream_get_index (stream);
+
+ map = gvc_mixer_stream_get_channel_map (stream);
+
+ /* set the volume */
+ cv = gvc_channel_map_get_cvolume(map);
+
+ context = gvc_mixer_stream_get_pa_context (stream);
+
+ o = pa_context_set_sink_volume_by_index (context,
+ index,
+ cv,
+ NULL,
+ NULL);
+
+ if (o == NULL) {
+ g_warning ("pa_context_set_sink_volume_by_index() failed: %s", pa_strerror(pa_context_errno(context)));
+ return FALSE;
+ }
+
+ *op = o;
+
+ return TRUE;
+}
+
+static gboolean
+gvc_mixer_sink_change_is_muted (GvcMixerStream *stream,
+ gboolean is_muted)
+{
+ pa_operation *o;
+ guint index;
+ pa_context *context;
+
+ index = gvc_mixer_stream_get_index (stream);
+ context = gvc_mixer_stream_get_pa_context (stream);
+
+ o = pa_context_set_sink_mute_by_index (context,
+ index,
+ is_muted,
+ NULL,
+ NULL);
+
+ if (o == NULL) {
+ g_warning ("pa_context_set_sink_mute_by_index() failed: %s", pa_strerror(pa_context_errno(context)));
+ return FALSE;
+ }
+
+ pa_operation_unref(o);
+
+ return TRUE;
+}
+
+static gboolean
+gvc_mixer_sink_change_port (GvcMixerStream *stream,
+ const char *port)
+{
+#if PA_MICRO > 15
+ pa_operation *o;
+ guint index;
+ pa_context *context;
+
+ index = gvc_mixer_stream_get_index (stream);
+ context = gvc_mixer_stream_get_pa_context (stream);
+
+ o = pa_context_set_sink_port_by_index (context,
+ index,
+ port,
+ NULL,
+ NULL);
+
+ if (o == NULL) {
+ g_warning ("pa_context_set_sink_port_by_index() failed: %s", pa_strerror(pa_context_errno(context)));
+ return FALSE;
+ }
+
+ pa_operation_unref(o);
+
+ return TRUE;
+#else
+ return FALSE;
+#endif /* PA_MICRO > 15 */
+}
+
+static GObject *
+gvc_mixer_sink_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ GvcMixerSink *self;
+
+ object = G_OBJECT_CLASS (gvc_mixer_sink_parent_class)->constructor (type, n_construct_properties, construct_params);
+
+ self = GVC_MIXER_SINK (object);
+
+ return object;
+}
+
+static void
+gvc_mixer_sink_class_init (GvcMixerSinkClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GvcMixerStreamClass *stream_class = GVC_MIXER_STREAM_CLASS (klass);
+
+ object_class->constructor = gvc_mixer_sink_constructor;
+ object_class->dispose = gvc_mixer_sink_dispose;
+ object_class->finalize = gvc_mixer_sink_finalize;
+
+ stream_class->push_volume = gvc_mixer_sink_push_volume;
+ stream_class->change_port = gvc_mixer_sink_change_port;
+ stream_class->change_is_muted = gvc_mixer_sink_change_is_muted;
+
+ g_type_class_add_private (klass, sizeof (GvcMixerSinkPrivate));
+}
+
+static void
+gvc_mixer_sink_init (GvcMixerSink *sink)
+{
+ sink->priv = GVC_MIXER_SINK_GET_PRIVATE (sink);
+}
+
+static void
+gvc_mixer_sink_dispose (GObject *object)
+{
+ GvcMixerSink *mixer_sink;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GVC_IS_MIXER_SINK (object));
+
+ mixer_sink = GVC_MIXER_SINK (object);
+
+ G_OBJECT_CLASS (gvc_mixer_sink_parent_class)->dispose (object);
+}
+
+static void
+gvc_mixer_sink_finalize (GObject *object)
+{
+ GvcMixerSink *mixer_sink;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GVC_IS_MIXER_SINK (object));
+
+ mixer_sink = GVC_MIXER_SINK (object);
+
+ g_return_if_fail (mixer_sink->priv != NULL);
+ G_OBJECT_CLASS (gvc_mixer_sink_parent_class)->finalize (object);
+}
+
+GvcMixerStream *
+gvc_mixer_sink_new (pa_context *context,
+ guint index,
+ GvcChannelMap *channel_map)
+
+{
+ GObject *object;
+
+ object = g_object_new (GVC_TYPE_MIXER_SINK,
+ "pa-context", context,
+ "index", index,
+ "channel-map", channel_map,
+ NULL);
+
+ return GVC_MIXER_STREAM (object);
+}