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Diffstat (limited to 'mate-volume-control/src/gvc-mixer-sink-input.c')
-rw-r--r--mate-volume-control/src/gvc-mixer-sink-input.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/mate-volume-control/src/gvc-mixer-sink-input.c b/mate-volume-control/src/gvc-mixer-sink-input.c
new file mode 100644
index 0000000..9d4ad2a
--- /dev/null
+++ b/mate-volume-control/src/gvc-mixer-sink-input.c
@@ -0,0 +1,188 @@
+/* -*- 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-input.h"
+
+#define GVC_MIXER_SINK_INPUT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_MIXER_SINK_INPUT, GvcMixerSinkInputPrivate))
+
+struct GvcMixerSinkInputPrivate
+{
+ gpointer dummy;
+};
+
+static void gvc_mixer_sink_input_class_init (GvcMixerSinkInputClass *klass);
+static void gvc_mixer_sink_input_init (GvcMixerSinkInput *mixer_sink_input);
+static void gvc_mixer_sink_input_finalize (GObject *object);
+static void gvc_mixer_sink_input_dispose (GObject *object);
+
+G_DEFINE_TYPE (GvcMixerSinkInput, gvc_mixer_sink_input, GVC_TYPE_MIXER_STREAM)
+
+static gboolean
+gvc_mixer_sink_input_push_volume (GvcMixerStream *stream, gpointer *op)
+{
+ pa_operation *o;
+ guint index;
+ const GvcChannelMap *map;
+ pa_context *context;
+ const pa_cvolume *cv;
+ guint num_channels;
+
+ index = gvc_mixer_stream_get_index (stream);
+
+ map = gvc_mixer_stream_get_channel_map (stream);
+ num_channels = gvc_channel_map_get_num_channels (map);
+
+ cv = gvc_channel_map_get_cvolume(map);
+
+ context = gvc_mixer_stream_get_pa_context (stream);
+
+ o = pa_context_set_sink_input_volume (context,
+ index,
+ cv,
+ NULL,
+ NULL);
+
+ if (o == NULL) {
+ g_warning ("pa_context_set_sink_input_volume() failed");
+ return FALSE;
+ }
+
+ *op = o;
+
+ return TRUE;
+}
+
+static gboolean
+gvc_mixer_sink_input_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_input_mute (context,
+ index,
+ is_muted,
+ NULL,
+ NULL);
+
+ if (o == NULL) {
+ g_warning ("pa_context_set_sink_input_mute_by_index() failed");
+ return FALSE;
+ }
+
+ pa_operation_unref(o);
+
+ return TRUE;
+}
+
+static GObject *
+gvc_mixer_sink_input_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ GvcMixerSinkInput *self;
+
+ object = G_OBJECT_CLASS (gvc_mixer_sink_input_parent_class)->constructor (type, n_construct_properties, construct_params);
+
+ self = GVC_MIXER_SINK_INPUT (object);
+
+ return object;
+}
+
+static void
+gvc_mixer_sink_input_class_init (GvcMixerSinkInputClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GvcMixerStreamClass *stream_class = GVC_MIXER_STREAM_CLASS (klass);
+
+ object_class->constructor = gvc_mixer_sink_input_constructor;
+ object_class->dispose = gvc_mixer_sink_input_dispose;
+ object_class->finalize = gvc_mixer_sink_input_finalize;
+
+ stream_class->push_volume = gvc_mixer_sink_input_push_volume;
+ stream_class->change_is_muted = gvc_mixer_sink_input_change_is_muted;
+
+ g_type_class_add_private (klass, sizeof (GvcMixerSinkInputPrivate));
+}
+
+static void
+gvc_mixer_sink_input_init (GvcMixerSinkInput *sink_input)
+{
+ sink_input->priv = GVC_MIXER_SINK_INPUT_GET_PRIVATE (sink_input);
+}
+
+static void
+gvc_mixer_sink_input_dispose (GObject *object)
+{
+ GvcMixerSinkInput *mixer_sink_input;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GVC_IS_MIXER_SINK_INPUT (object));
+
+ mixer_sink_input = GVC_MIXER_SINK_INPUT (object);
+
+ G_OBJECT_CLASS (gvc_mixer_sink_input_parent_class)->dispose (object);
+}
+
+static void
+gvc_mixer_sink_input_finalize (GObject *object)
+{
+ GvcMixerSinkInput *mixer_sink_input;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GVC_IS_MIXER_SINK_INPUT (object));
+
+ mixer_sink_input = GVC_MIXER_SINK_INPUT (object);
+
+ g_return_if_fail (mixer_sink_input->priv != NULL);
+ G_OBJECT_CLASS (gvc_mixer_sink_input_parent_class)->finalize (object);
+}
+
+GvcMixerStream *
+gvc_mixer_sink_input_new (pa_context *context,
+ guint index,
+ GvcChannelMap *channel_map)
+{
+ GObject *object;
+
+ object = g_object_new (GVC_TYPE_MIXER_SINK_INPUT,
+ "pa-context", context,
+ "index", index,
+ "channel-map", channel_map,
+ NULL);
+
+ return GVC_MIXER_STREAM (object);
+}