1 /* GStreamer
2  * Copyright (C) 2007 Julien Puydt <jpuydt@free.fr>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #include <libavc1394/avc1394.h>
21 #include <libavc1394/avc1394_vcr.h>
22 #include <libavc1394/rom1394.h>
23 #include <libraw1394/raw1394.h>
24 
25 #include <gst/gst.h>
26 
27 #include "gst1394probe.h"
28 
29 #if 0
30 
31 static GValueArray *
32 gst_1394_get_guid_array (void)
33 {
34   GValueArray *result = NULL;
35   raw1394handle_t handle = NULL;
36   int num_ports = 0;
37   int port = 0;
38   int num_nodes = 0;
39   int node = 0;
40   rom1394_directory directory;
41   GValue value = { 0, };
42 
43   handle = raw1394_new_handle ();
44 
45   if (handle == NULL)
46     return NULL;
47 
48   num_ports = raw1394_get_port_info (handle, NULL, 0);
49   for (port = 0; port < num_ports; port++) {
50     if (raw1394_set_port (handle, port) >= 0) {
51       num_nodes = raw1394_get_nodecount (handle);
52       for (node = 0; node < num_nodes; node++) {
53         rom1394_get_directory (handle, node, &directory);
54         if (rom1394_get_node_type (&directory) == ROM1394_NODE_TYPE_AVC &&
55             avc1394_check_subunit_type (handle, node,
56                 AVC1394_SUBUNIT_TYPE_VCR)) {
57           if (result == NULL)
58             result = g_value_array_new (3);     /* looks like a sensible default */
59           g_value_init (&value, G_TYPE_UINT64);
60           g_value_set_uint64 (&value, rom1394_get_guid (handle, node));
61           g_value_array_append (result, &value);
62           g_value_unset (&value);
63         }
64       }
65     }
66   }
67 
68   return result;
69 }
70 
71 static const GList *
72 gst_1394_property_probe_get_properties (GstPropertyProbe * probe)
73 {
74   static GList *result = NULL;
75   GObjectClass *klass = NULL;
76   GParamSpec *spec = NULL;
77 
78   if (result == NULL) {
79     klass = G_OBJECT_GET_CLASS (probe);
80     spec = g_object_class_find_property (klass, "guid");
81     result = g_list_append (result, spec);
82   }
83 
84   return result;
85 }
86 
87 static void
88 gst_1394_property_probe_probe_property (GstPropertyProbe * probe, guint prop_id,
89     const GParamSpec * pspec)
90 {
91   if (!g_str_equal (pspec->name, "guid"))
92     G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
93 }
94 
95 static gboolean
96 gst_1394_property_probe_needs_probe (GstPropertyProbe * probe, guint prop_id,
97     const GParamSpec * pspec)
98 {
99   return TRUE;
100 }
101 
102 static GValueArray *
103 gst_1394_property_probe_get_values (GstPropertyProbe * probe, guint prop_id,
104     const GParamSpec * pspec)
105 {
106   GValueArray *result = NULL;
107 
108   if (!g_str_equal (pspec->name, "guid")) {
109     G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
110     return NULL;
111   }
112 
113   result = gst_1394_get_guid_array ();
114 
115   if (result == NULL)
116     GST_LOG_OBJECT (probe, "No guid found");
117 
118   return result;
119 }
120 
121 static void
122 gst_1394_property_probe_interface_init (GstPropertyProbeInterface * iface)
123 {
124   iface->get_properties = gst_1394_property_probe_get_properties;
125   iface->probe_property = gst_1394_property_probe_probe_property;
126   iface->needs_probe = gst_1394_property_probe_needs_probe;
127   iface->get_values = gst_1394_property_probe_get_values;
128 }
129 
130 void
131 gst_1394_type_add_property_probe_interface (GType type)
132 {
133   static const GInterfaceInfo probe_iface_info = {
134     (GInterfaceInitFunc) gst_1394_property_probe_interface_init,
135     NULL,
136     NULL,
137   };
138 
139   g_type_add_interface_static (type, GST_TYPE_PROPERTY_PROBE,
140       &probe_iface_info);
141 }
142 
143 #endif
144