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      1 /*
      2  *
      3  *  BlueZ - Bluetooth protocol stack for Linux
      4  *
      5  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel (at) holtmann.org>
      6  *
      7  *
      8  *  This library is free software; you can redistribute it and/or
      9  *  modify it under the terms of the GNU Lesser General Public
     10  *  License as published by the Free Software Foundation; either
     11  *  version 2.1 of the License, or (at your option) any later version.
     12  *
     13  *  This library is distributed in the hope that it will be useful,
     14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  *  Lesser General Public License for more details.
     17  *
     18  *  You should have received a copy of the GNU Lesser General Public
     19  *  License along with this library; if not, write to the Free Software
     20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     21  *
     22  */
     23 
     24 #ifdef HAVE_CONFIG_H
     25 #include <config.h>
     26 #endif
     27 
     28 #include <string.h>
     29 
     30 #include <gst/gst.h>
     31 
     32 #include "gstsbcutil.h"
     33 #include <sbc.h>
     34 
     35 #include "gstsbcenc.h"
     36 #include "gstsbcdec.h"
     37 #include "gstsbcparse.h"
     38 #include "gstavdtpsink.h"
     39 #include "gsta2dpsink.h"
     40 #include "gstrtpsbcpay.h"
     41 
     42 static GstStaticCaps sbc_caps = GST_STATIC_CAPS("audio/x-sbc");
     43 
     44 #define SBC_CAPS (gst_static_caps_get(&sbc_caps))
     45 
     46 static void sbc_typefind(GstTypeFind *tf, gpointer ignore)
     47 {
     48 	GstCaps *caps;
     49 	guint8 *aux;
     50 	sbc_t sbc;
     51 	guint8 *data = gst_type_find_peek(tf, 0, 32);
     52 
     53 	if (data == NULL)
     54 		return;
     55 
     56 	if (sbc_init(&sbc, 0) < 0)
     57 		return;
     58 
     59 	aux = g_new(guint8, 32);
     60 	memcpy(aux, data, 32);
     61 	if (sbc_parse(&sbc, aux, 32) < 0)
     62 		goto done;
     63 
     64 	caps = gst_sbc_parse_caps_from_sbc(&sbc);
     65 	gst_type_find_suggest(tf, GST_TYPE_FIND_POSSIBLE, caps);
     66 	gst_caps_unref(caps);
     67 
     68 done:
     69 	g_free(aux);
     70 	sbc_finish(&sbc);
     71 }
     72 
     73 static gchar *sbc_exts[] = { "sbc", NULL };
     74 
     75 static gboolean plugin_init(GstPlugin *plugin)
     76 {
     77 	GST_INFO("Bluetooth plugin %s", VERSION);
     78 
     79 	if (gst_type_find_register(plugin, "sbc",
     80 			GST_RANK_PRIMARY, sbc_typefind, sbc_exts,
     81 					SBC_CAPS, NULL, NULL) == FALSE)
     82 		return FALSE;
     83 
     84 	if (!gst_sbc_enc_plugin_init(plugin))
     85 		return FALSE;
     86 
     87 	if (!gst_sbc_dec_plugin_init(plugin))
     88 		return FALSE;
     89 
     90 	if (!gst_sbc_parse_plugin_init(plugin))
     91 		return FALSE;
     92 
     93 	if (!gst_avdtp_sink_plugin_init(plugin))
     94 		return FALSE;
     95 
     96 	if (!gst_a2dp_sink_plugin_init(plugin))
     97 		return FALSE;
     98 
     99 	if (!gst_rtp_sbc_pay_plugin_init(plugin))
    100 		return FALSE;
    101 
    102 	return TRUE;
    103 }
    104 
    105 extern GstPluginDesc gst_plugin_desc __attribute__ ((visibility("default")));
    106 
    107 GST_PLUGIN_DEFINE(GST_VERSION_MAJOR, GST_VERSION_MINOR,
    108 	"bluetooth", "Bluetooth plugin library",
    109 	plugin_init, VERSION, "LGPL", "BlueZ", "http://www.bluez.org/")
    110