Add skeleton for an A2DP sink element

5 files changed, 244 insertions, 9 deletions

diff --git a/audio/Makefile.am b/audio/Makefile.am
index 5b63d226..ac266ca1 100644
--- a/audio/Makefile.am
+++ b/audio/Makefile.am
@@ -39,9 +39,9 @@ gstreamerdir = $(libdir)/gstreamer-0.10
 
 gstreamer_LTLIBRARIES = libgstbluetooth.la
 
-libgstbluetooth_la_SOURCES = gstbluetooth.c ipc.h
-libgstbluetooth_la_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
-libgstbluetooth_la_LIBADD = @SBC_LIBS@ @GSTREAMER_LIBS@
+libgstbluetooth_la_SOURCES = gstbluetooth.c gsta2dpsink.h gsta2dpsink.c ipc.h
+libgstbluetooth_la_LDFLAGS = -module -avoid-version -export-dynamic
+libgstbluetooth_la_LIBADD = @SBC_LIBS@ @GSTREAMER_LIBS@ -lgstaudio-0.10
 libgstbluetooth_la_CFLAGS = @GSTREAMER_CFLAGS@ @SBC_CFLAGS@
 endif
 endif
diff --git a/audio/gsta2dpsink.c b/audio/gsta2dpsink.c
new file mode 100644
index 00000000..bb033a58
--- /dev/null
+++ b/audio/gsta2dpsink.c
@@ -0,0 +1,174 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2004-2007  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  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 2.1 of the License, 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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "ipc.h"
+#include "sbc.h"
+
+#include "gsta2dpsink.h"
+
+GST_DEBUG_CATEGORY_EXTERN(bluetooth_debug);
+#define GST_CAT_DEFAULT bluetooth_debug
+
+GST_BOILERPLATE(GstA2dpSink, gst_a2dpsink, GstAudioSink, GST_TYPE_AUDIO_SINK);
+
+static const GstElementDetails a2dpsink_details =
+	GST_ELEMENT_DETAILS("Bluetooth A2DP sink",
+				"Sink/Audio",
+				"Plays audio to an A2DP device",
+				"Marcel Holtmann <marcel@holtmann.org>");
+
+static GstStaticPadTemplate sink_factory =
+	GST_STATIC_PAD_TEMPLATE("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
+							GST_STATIC_CAPS("ANY"));
+
+static void gst_a2dpsink_base_init(gpointer g_class)
+{
+	GstElementClass *element_class = GST_ELEMENT_CLASS(g_class);
+
+	GST_DEBUG("");
+
+	gst_element_class_add_pad_template(element_class,
+			gst_static_pad_template_get(&sink_factory));
+
+	gst_element_class_set_details(element_class, &a2dpsink_details);
+}
+
+static void gst_a2dpsink_dispose(GObject *object)
+{
+	G_OBJECT_CLASS(parent_class)->dispose(object);
+}
+
+static void gst_a2dpsink_finalize(GObject *object)
+{
+	G_OBJECT_CLASS(parent_class)->finalize(object);
+}
+
+static void gst_a2dpsink_get_property(GObject *object, guint prop_id,
+					GValue *value, GParamSpec *pspec)
+{
+	switch (prop_id) {
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+		break;
+	}
+}
+
+static void gst_a2dpsink_set_property(GObject *object, guint prop_id,
+					const GValue *value, GParamSpec *pspec)
+{
+	switch (prop_id) {
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+		break;
+	}
+}
+
+static GstCaps *gst_a2dpsink_getcaps(GstBaseSink *basesink)
+{
+	GST_DEBUG_OBJECT(basesink, "");
+
+	return NULL;
+}
+
+static gboolean gst_a2dpsink_open(GstAudioSink *audiosink)
+{
+	GST_DEBUG_OBJECT(audiosink, "");
+
+	return TRUE;
+}
+
+static gboolean gst_a2dpsink_prepare(GstAudioSink *audiosink,
+						GstRingBufferSpec *spec)
+{
+	GST_DEBUG_OBJECT(audiosink, "spec %p", spec);
+
+	return TRUE;
+}
+
+static gboolean gst_a2dpsink_unprepare(GstAudioSink *audiosink)
+{
+	GST_DEBUG_OBJECT(audiosink, "");
+
+	return TRUE;
+}
+
+static gboolean gst_a2dpsink_close(GstAudioSink *audiosink)
+{
+	GST_DEBUG_OBJECT(audiosink, "");
+
+	return TRUE;
+}
+
+static guint gst_a2dpsink_write(GstAudioSink *audiosink,
+						gpointer data, guint length)
+{
+	GST_DEBUG_OBJECT(audiosink, "data %p length %d", data, length);
+
+	return length;
+}
+
+static guint gst_a2dpsink_delay(GstAudioSink *audiosink)
+{
+	GST_DEBUG_OBJECT(audiosink, "");
+
+	return 0;
+}
+
+static void gst_a2dpsink_reset(GstAudioSink *audiosink)
+{
+}
+
+static void gst_a2dpsink_class_init(GstA2dpSinkClass *klass)
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+	GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS(klass);
+	GstAudioSinkClass *gstaudiosink_class = GST_AUDIO_SINK_CLASS(klass);
+
+	GST_DEBUG("");
+
+	parent_class = g_type_class_peek_parent(klass);
+
+	gobject_class->dispose = GST_DEBUG_FUNCPTR(gst_a2dpsink_dispose);
+	gobject_class->finalize = GST_DEBUG_FUNCPTR(gst_a2dpsink_finalize);
+	gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_a2dpsink_get_property);
+	gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_a2dpsink_set_property);
+
+	gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR(gst_a2dpsink_getcaps);
+
+	gstaudiosink_class->open = GST_DEBUG_FUNCPTR(gst_a2dpsink_open);
+	gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR(gst_a2dpsink_prepare);
+	gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR(gst_a2dpsink_unprepare);
+	gstaudiosink_class->close = GST_DEBUG_FUNCPTR(gst_a2dpsink_close);
+	gstaudiosink_class->write = GST_DEBUG_FUNCPTR(gst_a2dpsink_write);
+	gstaudiosink_class->delay = GST_DEBUG_FUNCPTR(gst_a2dpsink_delay);
+	gstaudiosink_class->reset = GST_DEBUG_FUNCPTR(gst_a2dpsink_reset);
+}
+
+static void gst_a2dpsink_init(GstA2dpSink *a2dpsink, GstA2dpSinkClass *klass)
+{
+	GST_DEBUG_OBJECT(a2dpsink, "");
+}
diff --git a/audio/gsta2dpsink.h b/audio/gsta2dpsink.h
new file mode 100644
index 00000000..9630c11a
--- /dev/null
+++ b/audio/gsta2dpsink.h
@@ -0,0 +1,53 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2004-2007  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  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 2.1 of the License, 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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <gst/gst.h>
+#include <gst/audio/gstaudiosink.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_A2DP_SINK \
+	(gst_a2dpsink_get_type())
+#define GST_A2DP_SINK(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_A2DP_SINK,GstA2dpSink))
+#define GST_A2DP_SINK_CLASS(klass) \
+	(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_A2DP_SINK,GstA2dpSinkClass))
+#define GST_IS_A2DP_SINK(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_A2DP_SINK))
+#define GST_IS_A2DP_SINK_CLASS(obj) \
+	(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_A2DP_SINK))
+
+typedef struct _GstA2dpSink GstA2dpSink;
+typedef struct _GstA2dpSinkClass GstA2dpSinkClass;
+
+struct _GstA2dpSink {
+	GstAudioSink sink;
+};
+
+struct _GstA2dpSinkClass {
+	GstAudioSinkClass parent_class;
+};
+
+GType gst_a2dpsink_get_type(void);
+
+G_END_DECLS
diff --git a/audio/gstbluetooth.c b/audio/gstbluetooth.c
index ece6aa9e..392de194 100644
--- a/audio/gstbluetooth.c
+++ b/audio/gstbluetooth.c
@@ -25,18 +25,24 @@
 #include <config.h>
 #endif
 
-#include <stdint.h>
+#include "gsta2dpsink.h"
 
-#include <gst/gst.h>
-
-#include "ipc.h"
-#include "sbc.h"
+GST_DEBUG_CATEGORY(bluetooth_debug);
 
 static gboolean plugin_init(GstPlugin *plugin)
 {
+	GST_INFO("Bluetooth plugin %s", VERSION);
+
+	if (gst_element_register(plugin, "a2dpsink",
+			GST_RANK_PRIMARY, GST_TYPE_A2DP_SINK) == FALSE)
+		return FALSE;
+
+	GST_DEBUG_CATEGORY_INIT(bluetooth_debug, "bluetooth", 0,
+							"Bluetooth plugin");
+
 	return TRUE;
 }
 
 GST_PLUGIN_DEFINE(GST_VERSION_MAJOR, GST_VERSION_MINOR,
 	"bluetooth", "Bluetooth plugin library",
-	plugin_init, VERSION, "LGPL", PACKAGE, "http://www.bluez.org/")
+	plugin_init, VERSION, "LGPL", "BlueZ", "http://www.bluez.org/")
diff --git a/audio/ipc.h b/audio/ipc.h
index 77997496..27ee742c 100644
--- a/audio/ipc.h
+++ b/audio/ipc.h
@@ -21,6 +21,8 @@
  *
  */
 
+#include <stdint.h>
+
 #define IPC_TYPE_CONNECT  0x0001
 
 #define IPC_MTU 32