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/* GStreamer
* Copyright (C) 2007 Julien Puydt <jpuydt@free.fr>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <libavc1394/avc1394.h>
#include <libavc1394/avc1394_vcr.h>
#include <libavc1394/rom1394.h>
#include <libraw1394/raw1394.h>
#include <gst/gst.h>
#include "gst1394probe.h"
#include "gst/interfaces/propertyprobe.h"
static GValueArray *
gst_1394_get_guid_array (void)
{
GValueArray *result = NULL;
raw1394handle_t handle = NULL;
int num_ports = 0;
int port = 0;
int num_nodes = 0;
int node = 0;
rom1394_directory directory;
GValue value = { 0, };
handle = raw1394_new_handle ();
if (handle == NULL)
return NULL;
num_ports = raw1394_get_port_info (handle, NULL, 0);
for (port = 0; port < num_ports; port++) {
if (raw1394_set_port (handle, port) >= 0) {
num_nodes = raw1394_get_nodecount (handle);
for (node = 0; node < num_nodes; node++) {
rom1394_get_directory (handle, node, &directory);
if (rom1394_get_node_type (&directory) == ROM1394_NODE_TYPE_AVC &&
avc1394_check_subunit_type (handle, node,
AVC1394_SUBUNIT_TYPE_VCR)) {
if (result == NULL)
result = g_value_array_new (3); /* looks like a sensible default */
g_value_init (&value, G_TYPE_UINT64);
g_value_set_uint64 (&value, rom1394_get_guid (handle, node));
g_value_array_append (result, &value);
g_value_unset (&value);
}
}
}
}
return result;
}
static const GList *
gst_1394_property_probe_get_properties (GstPropertyProbe * probe)
{
static GList *result = NULL;
GObjectClass *klass = NULL;
GParamSpec *spec = NULL;
if (result == NULL) {
klass = G_OBJECT_GET_CLASS (probe);
spec = g_object_class_find_property (klass, "guid");
result = g_list_append (result, spec);
}
return result;
}
static void
gst_1394_property_probe_probe_property (GstPropertyProbe * probe, guint prop_id,
const GParamSpec * pspec)
{
if (!g_str_equal (pspec->name, "guid"))
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
}
static gboolean
gst_1394_property_probe_needs_probe (GstPropertyProbe * probe, guint prop_id,
const GParamSpec * pspec)
{
return TRUE;
}
static GValueArray *
gst_1394_property_probe_get_values (GstPropertyProbe * probe, guint prop_id,
const GParamSpec * pspec)
{
GValueArray *result = NULL;
if (!g_str_equal (pspec->name, "guid")) {
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
return NULL;
}
result = gst_1394_get_guid_array ();
if (result == NULL)
GST_LOG_OBJECT (probe, "No guid found");
return result;
}
static void
gst_1394_property_probe_interface_init (GstPropertyProbeInterface * iface)
{
iface->get_properties = gst_1394_property_probe_get_properties;
iface->probe_property = gst_1394_property_probe_probe_property;
iface->needs_probe = gst_1394_property_probe_needs_probe;
iface->get_values = gst_1394_property_probe_get_values;
}
void
gst_1394_type_add_property_probe_interface (GType type)
{
static const GInterfaceInfo probe_iface_info = {
(GInterfaceInitFunc) gst_1394_property_probe_interface_init,
NULL,
NULL,
};
g_type_add_interface_static (type, GST_TYPE_PROPERTY_PROBE,
&probe_iface_info);
}
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