bluez: Add skeleton for an A2DP sink element

This commit is contained in:
Marcel Holtmann 2007-08-22 21:50:59 +00:00 committed by Tim-Philipp Müller
parent 4c76427ba7
commit 0e117ffef3
2 changed files with 240 additions and 0 deletions

187
sys/bluez/gsta2dpsink.c Normal file
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/*
*
* 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, "");
}

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sys/bluez/gsta2dpsink.h Normal file
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/*
*
* 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