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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 <unistd.h>
#include <sys/un.h>
#include <sys/socket.h>
#include "ipc.h"
#include "gsta2dpsink.h"
GST_DEBUG_CATEGORY_STATIC(a2dp_sink_debug);
#define GST_CAT_DEFAULT a2dp_sink_debug
#define DEFAULT_DEVICE "default"
enum {
PROP_0,
PROP_DEVICE,
};
GST_BOILERPLATE(GstA2dpSink, gst_a2dp_sink, GstAudioSink, GST_TYPE_AUDIO_SINK);
static const GstElementDetails a2dp_sink_details =
GST_ELEMENT_DETAILS("Bluetooth A2DP sink",
"Sink/Audio",
"Plays audio to an A2DP device",
"Marcel Holtmann <marcel@holtmann.org>");
static GstStaticPadTemplate a2dp_sink_factory =
GST_STATIC_PAD_TEMPLATE("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS("audio/x-sbc, "
"rate = (int) { 16000, 32000, 44100, 48000 }, "
"channels = (int) [ 1, 2 ], "
"mode = (string) { mono, dual, stereo, joint }, "
"blocks = (int) { 4, 8, 12, 16 }, "
"subbands = (int) { 4, 8 }, "
"allocation = (string) { snr, loudness }; "
"audio/mpeg, "
"mpegversion = (int) 1, "
"layer = (int) [ 1, 3 ], "
"rate = (int) { 16000, 22050, 24000, 32000, 44100, 48000 }, "
"channels = (int) [ 1, 2 ]"));
static void gst_a2dp_sink_base_init(gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS(g_class);
gst_element_class_add_pad_template(element_class,
gst_static_pad_template_get(&a2dp_sink_factory));
gst_element_class_set_details(element_class, &a2dp_sink_details);
}
static void gst_a2dp_sink_finalize(GObject *object)
{
GstA2dpSink *sink = GST_A2DP_SINK(object);
g_io_channel_close(sink->server);
g_free(sink->device);
G_OBJECT_CLASS(parent_class)->finalize(object);
}
static void gst_a2dp_sink_set_property(GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
GstA2dpSink *sink = GST_A2DP_SINK(object);
switch (prop_id) {
case PROP_DEVICE:
g_free(sink->device);
sink->device = g_value_dup_string(value);
if (sink->device == NULL)
sink->device = g_strdup(DEFAULT_DEVICE);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void gst_a2dp_sink_get_property(GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
GstA2dpSink *sink = GST_A2DP_SINK(object);
switch (prop_id) {
case PROP_DEVICE:
g_value_set_string(value, sink->device);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static gboolean gst_a2dp_sink_open(GstAudioSink *self)
{
GstA2dpSink *sink = GST_A2DP_SINK(self);
printf("device %s\n", sink->device);
printf("open\n");
return TRUE;
}
static gboolean gst_a2dp_sink_prepare(GstAudioSink *self,
GstRingBufferSpec *spec)
{
printf("perpare\n");
printf("rate %d\n", spec->rate);
printf("channels %d\n", spec->channels);
return TRUE;
}
static gboolean gst_a2dp_sink_unprepare(GstAudioSink *self)
{
printf("unprepare\n");
return TRUE;
}
static gboolean gst_a2dp_sink_close(GstAudioSink *self)
{
printf("close\n");
return TRUE;
}
static guint gst_a2dp_sink_write(GstAudioSink *self,
gpointer data, guint length)
{
return 0;
}
static guint gst_a2dp_sink_delay(GstAudioSink *audiosink)
{
printf("delay\n");
return 0;
}
static void gst_a2dp_sink_reset(GstAudioSink *audiosink)
{
printf("reset\n");
}
static gboolean server_callback(GIOChannel *chan,
GIOCondition cond, gpointer data)
{
printf("callback\n");
return TRUE;
}
static void gst_a2dp_sink_class_init(GstA2dpSinkClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS(klass);
GstAudioSinkClass *audiosink_class = GST_AUDIO_SINK_CLASS(klass);
parent_class = g_type_class_peek_parent(klass);
object_class->finalize = GST_DEBUG_FUNCPTR(gst_a2dp_sink_finalize);
object_class->set_property = GST_DEBUG_FUNCPTR(gst_a2dp_sink_set_property);
object_class->get_property = GST_DEBUG_FUNCPTR(gst_a2dp_sink_get_property);
audiosink_class->open = GST_DEBUG_FUNCPTR(gst_a2dp_sink_open);
audiosink_class->prepare = GST_DEBUG_FUNCPTR(gst_a2dp_sink_prepare);
audiosink_class->unprepare = GST_DEBUG_FUNCPTR(gst_a2dp_sink_unprepare);
audiosink_class->close = GST_DEBUG_FUNCPTR(gst_a2dp_sink_close);
audiosink_class->write = GST_DEBUG_FUNCPTR(gst_a2dp_sink_write);
audiosink_class->delay = GST_DEBUG_FUNCPTR(gst_a2dp_sink_delay);
audiosink_class->reset = GST_DEBUG_FUNCPTR(gst_a2dp_sink_reset);
g_object_class_install_property(object_class, PROP_DEVICE,
g_param_spec_string("device", "Device",
"Bluetooth remote device",
DEFAULT_DEVICE, G_PARAM_READWRITE));
GST_DEBUG_CATEGORY_INIT(a2dp_sink_debug, "a2dpsink", 0,
"A2DP sink element");
}
static void gst_a2dp_sink_init(GstA2dpSink *self, GstA2dpSinkClass *klass)
{
struct sockaddr_un addr = { AF_UNIX, IPC_SOCKET_NAME };
int sk;
self->device = g_strdup(DEFAULT_DEVICE);
sk = socket(PF_LOCAL, SOCK_STREAM, 0);
if (sk < 0)
return;
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
close(sk);
return;
}
self->server = g_io_channel_unix_new(sk);
g_io_add_watch(self->server, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
server_callback, self);
g_io_channel_unref(self->server);
}
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