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-rw-r--r--subprojects/gvc/gvc-mixer-source-output.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/subprojects/gvc/gvc-mixer-source-output.c b/subprojects/gvc/gvc-mixer-source-output.c
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+/* -*- 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-lib.h>
+
+#include <pulse/pulseaudio.h>
+
+#include "gvc-mixer-source-output.h"
+#include "gvc-mixer-stream-private.h"
+#include "gvc-channel-map-private.h"
+
+struct GvcMixerSourceOutputPrivate
+{
+ gpointer dummy;
+};
+
+static void gvc_mixer_source_output_finalize (GObject *object);
+
+G_DEFINE_TYPE_WITH_PRIVATE (GvcMixerSourceOutput, gvc_mixer_source_output, GVC_TYPE_MIXER_STREAM)
+
+static gboolean
+gvc_mixer_source_output_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);
+
+ cv = gvc_channel_map_get_cvolume(map);
+
+ context = gvc_mixer_stream_get_pa_context (stream);
+
+ o = pa_context_set_source_output_volume (context,
+ index,
+ cv,
+ NULL,
+ NULL);
+
+ if (o == NULL) {
+ g_warning ("pa_context_set_source_output_volume() failed");
+ return FALSE;
+ }
+
+ *op = o;
+
+ return TRUE;
+}
+
+static gboolean
+gvc_mixer_source_output_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_source_output_mute (context,
+ index,
+ is_muted,
+ NULL,
+ NULL);
+
+ if (o == NULL) {
+ g_warning ("pa_context_set_source_output_mute_by_index() failed");
+ return FALSE;
+ }
+
+ pa_operation_unref(o);
+
+ return TRUE;
+}
+
+static void
+gvc_mixer_source_output_class_init (GvcMixerSourceOutputClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GvcMixerStreamClass *stream_class = GVC_MIXER_STREAM_CLASS (klass);
+
+ object_class->finalize = gvc_mixer_source_output_finalize;
+
+ stream_class->push_volume = gvc_mixer_source_output_push_volume;
+ stream_class->change_is_muted = gvc_mixer_source_output_change_is_muted;
+}
+
+static void
+gvc_mixer_source_output_init (GvcMixerSourceOutput *source_output)
+{
+ source_output->priv = gvc_mixer_source_output_get_instance_private (source_output);
+
+}
+
+static void
+gvc_mixer_source_output_finalize (GObject *object)
+{
+ GvcMixerSourceOutput *mixer_source_output;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GVC_IS_MIXER_SOURCE_OUTPUT (object));
+
+ mixer_source_output = GVC_MIXER_SOURCE_OUTPUT (object);
+
+ g_return_if_fail (mixer_source_output->priv != NULL);
+ G_OBJECT_CLASS (gvc_mixer_source_output_parent_class)->finalize (object);
+}
+
+/**
+ * gvc_mixer_source_output_new: (skip)
+ * @context:
+ * @index:
+ * @channel_map:
+ *
+ * Returns:
+ */
+GvcMixerStream *
+gvc_mixer_source_output_new (pa_context *context,
+ guint index,
+ GvcChannelMap *channel_map)
+{
+ GObject *object;
+
+ object = g_object_new (GVC_TYPE_MIXER_SOURCE_OUTPUT,
+ "pa-context", context,
+ "index", index,
+ "channel-map", channel_map,
+ NULL);
+
+ return GVC_MIXER_STREAM (object);
+}