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1 /* GStreamer
2  *
3  * Copyright (C) 2019 Collabora Ltd.
4  *   Author: Stéphane Cerveau <scerveau@collabora.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
19  *
20  */
21 #include "gstmpdsegmenttemplatenode.h"
22 #include "gstmpdparser.h"
23 
24 G_DEFINE_TYPE (GstMPDSegmentTemplateNode, gst_mpd_segment_template_node,
25     GST_TYPE_MPD_MULT_SEGMENT_BASE_NODE);
26 
27 enum
28 {
29   PROP_MPD_SEGMENT_TEMPLATE_0,
30   PROP_MPD_SEGMENT_TEMPLATE_MEDIA,
31   PROP_MPD_SEGMENT_TEMPLATE_INDEX,
32   PROP_MPD_SEGMENT_TEMPLATE_INITIALIZATION,
33   PROP_MPD_SEGMENT_TEMPLATE_BITSTREAM_SWITCHING,
34 };
35 
36 /* GObject VMethods */
37 
38 static void
gst_mpd_segment_template_node_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)39 gst_mpd_segment_template_node_set_property (GObject * object, guint prop_id,
40     const GValue * value, GParamSpec * pspec)
41 {
42   GstMPDSegmentTemplateNode *self = GST_MPD_SEGMENT_TEMPLATE_NODE (object);
43   switch (prop_id) {
44     case PROP_MPD_SEGMENT_TEMPLATE_MEDIA:
45       self->media = g_value_dup_string (value);
46       break;
47     case PROP_MPD_SEGMENT_TEMPLATE_INDEX:
48       self->index = g_value_dup_string (value);
49       break;
50     case PROP_MPD_SEGMENT_TEMPLATE_INITIALIZATION:
51       self->initialization = g_value_dup_string (value);
52       break;
53     case PROP_MPD_SEGMENT_TEMPLATE_BITSTREAM_SWITCHING:
54       self->bitstreamSwitching = g_value_dup_string (value);
55       break;
56     default:
57       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
58       break;
59   }
60 }
61 
62 static void
gst_mpd_segment_template_node_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)63 gst_mpd_segment_template_node_get_property (GObject * object, guint prop_id,
64     GValue * value, GParamSpec * pspec)
65 {
66   GstMPDSegmentTemplateNode *self = GST_MPD_SEGMENT_TEMPLATE_NODE (object);
67   switch (prop_id) {
68     case PROP_MPD_SEGMENT_TEMPLATE_MEDIA:
69       g_value_set_string (value, self->media);
70       break;
71     case PROP_MPD_SEGMENT_TEMPLATE_INDEX:
72       g_value_set_string (value, self->index);
73       break;
74     case PROP_MPD_SEGMENT_TEMPLATE_INITIALIZATION:
75       g_value_set_string (value, self->initialization);
76       break;
77     case PROP_MPD_SEGMENT_TEMPLATE_BITSTREAM_SWITCHING:
78       g_value_set_string (value, self->bitstreamSwitching);
79       break;
80     default:
81       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
82       break;
83   }
84 }
85 
86 static void
gst_mpd_segment_template_node_finalize(GObject * object)87 gst_mpd_segment_template_node_finalize (GObject * object)
88 {
89   GstMPDSegmentTemplateNode *self = GST_MPD_SEGMENT_TEMPLATE_NODE (object);
90 
91   if (self->media)
92     xmlFree (self->media);
93   if (self->index)
94     xmlFree (self->index);
95   if (self->initialization)
96     xmlFree (self->initialization);
97   if (self->bitstreamSwitching)
98     xmlFree (self->bitstreamSwitching);
99 
100   G_OBJECT_CLASS (gst_mpd_segment_template_node_parent_class)->finalize
101       (object);
102 }
103 
104 /* Base class */
105 
106 static xmlNodePtr
gst_mpd_segment_template_get_xml_node(GstMPDNode * node)107 gst_mpd_segment_template_get_xml_node (GstMPDNode * node)
108 {
109   xmlNodePtr segment_template_xml_node = NULL;
110   GstMPDSegmentTemplateNode *self = GST_MPD_SEGMENT_TEMPLATE_NODE (node);
111 
112   segment_template_xml_node = xmlNewNode (NULL, (xmlChar *) "SegmentTemplate");
113 
114   if (self->media)
115     gst_xml_helper_set_prop_string (segment_template_xml_node, "media",
116         self->media);
117 
118   if (self->index)
119     gst_xml_helper_set_prop_string (segment_template_xml_node, "index",
120         self->index);
121 
122   if (self->initialization)
123     gst_xml_helper_set_prop_string (segment_template_xml_node, "initialization",
124         self->initialization);
125 
126   if (self->bitstreamSwitching)
127     gst_xml_helper_set_prop_string (segment_template_xml_node,
128         "bitstreamSwitching", self->bitstreamSwitching);
129 
130   return segment_template_xml_node;
131 }
132 
133 static void
gst_mpd_segment_template_node_class_init(GstMPDSegmentTemplateNodeClass * klass)134 gst_mpd_segment_template_node_class_init (GstMPDSegmentTemplateNodeClass *
135     klass)
136 {
137   GObjectClass *object_class;
138   GstMPDNodeClass *m_klass;
139 
140   object_class = G_OBJECT_CLASS (klass);
141   m_klass = GST_MPD_NODE_CLASS (klass);
142 
143   object_class->finalize = gst_mpd_segment_template_node_finalize;
144   object_class->set_property = gst_mpd_segment_template_node_set_property;
145   object_class->get_property = gst_mpd_segment_template_node_get_property;
146 
147   m_klass->get_xml_node = gst_mpd_segment_template_get_xml_node;
148 
149   g_object_class_install_property (object_class,
150       PROP_MPD_SEGMENT_TEMPLATE_MEDIA, g_param_spec_string ("media",
151           "media", "media", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
152   g_object_class_install_property (object_class,
153       PROP_MPD_SEGMENT_TEMPLATE_INDEX, g_param_spec_string ("index",
154           "index", "index", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
155   g_object_class_install_property (object_class,
156       PROP_MPD_SEGMENT_TEMPLATE_INITIALIZATION,
157       g_param_spec_string ("initialization", "initialization", "initialization",
158           NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
159   g_object_class_install_property (object_class,
160       PROP_MPD_SEGMENT_TEMPLATE_BITSTREAM_SWITCHING,
161       g_param_spec_string ("bitstream-switching", "bitstream switching",
162           "bitstream switching", NULL,
163           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
164 }
165 
166 static void
gst_mpd_segment_template_node_init(GstMPDSegmentTemplateNode * self)167 gst_mpd_segment_template_node_init (GstMPDSegmentTemplateNode * self)
168 {
169   self->media = NULL;
170   self->index = NULL;
171   self->initialization = NULL;
172   self->bitstreamSwitching = NULL;
173 }
174 
175 GstMPDSegmentTemplateNode *
gst_mpd_segment_template_node_new(void)176 gst_mpd_segment_template_node_new (void)
177 {
178   return g_object_new (GST_TYPE_MPD_SEGMENT_TEMPLATE_NODE, NULL);
179 }
180 
181 void
gst_mpd_segment_template_node_free(GstMPDSegmentTemplateNode * self)182 gst_mpd_segment_template_node_free (GstMPDSegmentTemplateNode * self)
183 {
184   if (self)
185     gst_object_unref (self);
186 }
187