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bluez: Add skeleton for an A2DP sink element
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2 changed files with 240 additions and 0 deletions
187
sys/bluez/gsta2dpsink.c
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187
sys/bluez/gsta2dpsink.c
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/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "ipc.h"
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#include "sbc.h"
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#include "gsta2dpsink.h"
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GST_DEBUG_CATEGORY_EXTERN (bluetooth_debug);
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#define GST_CAT_DEFAULT bluetooth_debug
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GST_BOILERPLATE (GstA2dpSink, gst_a2dpsink, GstAudioSink, GST_TYPE_AUDIO_SINK);
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static const GstElementDetails a2dpsink_details =
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GST_ELEMENT_DETAILS ("Bluetooth A2DP sink",
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"Sink/Audio",
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"Plays audio to an A2DP device",
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"Marcel Holtmann <marcel@holtmann.org>");
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static GstStaticPadTemplate sink_factory =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("ANY"));
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static void
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gst_a2dpsink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GST_DEBUG ("");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_factory));
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gst_element_class_set_details (element_class, &a2dpsink_details);
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}
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static void
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gst_a2dpsink_dispose (GObject * object)
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{
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gst_a2dpsink_finalize (GObject * object)
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{
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_a2dpsink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_a2dpsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static GstCaps *
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gst_a2dpsink_getcaps (GstBaseSink * basesink)
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{
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GST_DEBUG_OBJECT (basesink, "");
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return NULL;
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}
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static gboolean
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gst_a2dpsink_open (GstAudioSink * audiosink)
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{
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GST_DEBUG_OBJECT (audiosink, "");
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return TRUE;
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}
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static gboolean
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gst_a2dpsink_prepare (GstAudioSink * audiosink, GstRingBufferSpec * spec)
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{
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GST_DEBUG_OBJECT (audiosink, "spec %p", spec);
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return TRUE;
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}
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static gboolean
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gst_a2dpsink_unprepare (GstAudioSink * audiosink)
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{
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GST_DEBUG_OBJECT (audiosink, "");
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return TRUE;
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}
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static gboolean
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gst_a2dpsink_close (GstAudioSink * audiosink)
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{
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GST_DEBUG_OBJECT (audiosink, "");
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return TRUE;
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}
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static guint
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gst_a2dpsink_write (GstAudioSink * audiosink, gpointer data, guint length)
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{
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GST_DEBUG_OBJECT (audiosink, "data %p length %d", data, length);
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return length;
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}
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static guint
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gst_a2dpsink_delay (GstAudioSink * audiosink)
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{
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GST_DEBUG_OBJECT (audiosink, "");
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return 0;
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}
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static void
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gst_a2dpsink_reset (GstAudioSink * audiosink)
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{
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}
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static void
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gst_a2dpsink_class_init (GstA2dpSinkClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS (klass);
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GstAudioSinkClass *gstaudiosink_class = GST_AUDIO_SINK_CLASS (klass);
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GST_DEBUG ("");
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_a2dpsink_dispose);
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_a2dpsink_finalize);
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gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_a2dpsink_get_property);
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gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_a2dpsink_set_property);
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gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_a2dpsink_getcaps);
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gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_a2dpsink_open);
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gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR (gst_a2dpsink_prepare);
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gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR (gst_a2dpsink_unprepare);
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gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_a2dpsink_close);
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gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_a2dpsink_write);
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gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_a2dpsink_delay);
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gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_a2dpsink_reset);
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}
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static void
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gst_a2dpsink_init (GstA2dpSink * a2dpsink, GstA2dpSinkClass * klass)
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{
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GST_DEBUG_OBJECT (a2dpsink, "");
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}
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53
sys/bluez/gsta2dpsink.h
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53
sys/bluez/gsta2dpsink.h
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@ -0,0 +1,53 @@
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/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <gst/gst.h>
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#include <gst/audio/gstaudiosink.h>
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G_BEGIN_DECLS
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#define GST_TYPE_A2DP_SINK \
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(gst_a2dpsink_get_type())
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#define GST_A2DP_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_A2DP_SINK,GstA2dpSink))
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#define GST_A2DP_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_A2DP_SINK,GstA2dpSinkClass))
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#define GST_IS_A2DP_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_A2DP_SINK))
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#define GST_IS_A2DP_SINK_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_A2DP_SINK))
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typedef struct _GstA2dpSink GstA2dpSink;
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typedef struct _GstA2dpSinkClass GstA2dpSinkClass;
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struct _GstA2dpSink {
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GstAudioSink sink;
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};
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struct _GstA2dpSinkClass {
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GstAudioSinkClass parent_class;
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};
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GType gst_a2dpsink_get_type(void);
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G_END_DECLS
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