gstreamer/subprojects/gst-plugins-bad/ext/dash/gstmpdrepresentationnode.c

202 lines
6.4 KiB
C

/* GStreamer
*
* Copyright (C) 2019 Collabora Ltd.
* Author: Stéphane Cerveau <scerveau@collabora.com>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "gstmpdrepresentationnode.h"
#include "gstmpdparser.h"
G_DEFINE_TYPE (GstMPDRepresentationNode, gst_mpd_representation_node,
GST_TYPE_MPD_REPRESENTATION_BASE_NODE);
enum
{
PROP_MPD_REPRESENTATION_0,
PROP_MPD_REPRESENTATION_ID,
PROP_MPD_REPRESENTATION_BANDWIDTH,
PROP_MPD_REPRESENTATION_QUALITY_RANKING,
};
/* GObject VMethods */
static void
gst_mpd_representation_node_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMPDRepresentationNode *self = GST_MPD_REPRESENTATION_NODE (object);
switch (prop_id) {
case PROP_MPD_REPRESENTATION_ID:
g_free (self->id);
self->id = g_value_dup_string (value);
break;
case PROP_MPD_REPRESENTATION_BANDWIDTH:
self->bandwidth = g_value_get_uint (value);
break;
case PROP_MPD_REPRESENTATION_QUALITY_RANKING:
self->qualityRanking = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mpd_representation_node_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMPDRepresentationNode *self = GST_MPD_REPRESENTATION_NODE (object);
switch (prop_id) {
case PROP_MPD_REPRESENTATION_ID:
g_value_set_string (value, self->id);
break;
case PROP_MPD_REPRESENTATION_BANDWIDTH:
g_value_set_uint (value, self->bandwidth);
break;
case PROP_MPD_REPRESENTATION_QUALITY_RANKING:
g_value_set_uint (value, self->qualityRanking);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mpd_representation_node_finalize (GObject * object)
{
GstMPDRepresentationNode *self = GST_MPD_REPRESENTATION_NODE (object);
if (self->id)
xmlFree (self->id);
g_strfreev (self->dependencyId);
g_strfreev (self->mediaStreamStructureId);
g_list_free_full (self->SubRepresentations,
(GDestroyNotify) gst_mpd_sub_representation_node_free);
gst_mpd_segment_base_node_free (self->SegmentBase);
gst_mpd_segment_template_node_free (self->SegmentTemplate);
gst_mpd_segment_list_node_free (self->SegmentList);
g_list_free_full (self->BaseURLs, (GDestroyNotify) gst_mpd_baseurl_node_free);
G_OBJECT_CLASS (gst_mpd_representation_node_parent_class)->finalize (object);
}
/* Base class */
static xmlNodePtr
gst_mpd_representation_get_xml_node (GstMPDNode * node)
{
gchar *value;
xmlNodePtr representation_xml_node = NULL;
GstMPDRepresentationNode *self = GST_MPD_REPRESENTATION_NODE (node);
representation_xml_node = xmlNewNode (NULL, (xmlChar *) "Representation");
gst_xml_helper_set_prop_string (representation_xml_node, "id", self->id);
gst_xml_helper_set_prop_uint (representation_xml_node, "bandwidth",
self->bandwidth);
if (self->qualityRanking)
gst_xml_helper_set_prop_uint (representation_xml_node, "qualityRanking",
self->qualityRanking);
if (self->dependencyId) {
value = g_strjoinv (" ", self->dependencyId);
gst_xml_helper_set_prop_string (representation_xml_node, "dependencyId",
value);
g_free (value);
}
if (self->mediaStreamStructureId) {
value = g_strjoinv (" ", self->mediaStreamStructureId);
gst_xml_helper_set_prop_string (representation_xml_node,
"mediaStreamStructureId", value);
g_free (value);
}
g_list_foreach (self->BaseURLs, gst_mpd_node_get_list_item,
representation_xml_node);
g_list_foreach (self->SubRepresentations,
gst_mpd_representation_base_node_get_list_item, representation_xml_node);
gst_mpd_node_add_child_node (GST_MPD_NODE (self->SegmentBase),
representation_xml_node);
gst_mpd_mult_segment_base_node_add_child_node (GST_MPD_NODE
(self->SegmentTemplate), representation_xml_node);
gst_mpd_mult_segment_base_node_add_child_node (GST_MPD_NODE
(self->SegmentList), representation_xml_node);
return representation_xml_node;
}
static void
gst_mpd_representation_node_class_init (GstMPDRepresentationNodeClass * klass)
{
GObjectClass *object_class;
GstMPDNodeClass *m_klass;
object_class = G_OBJECT_CLASS (klass);
m_klass = GST_MPD_NODE_CLASS (klass);
object_class->finalize = gst_mpd_representation_node_finalize;
object_class->set_property = gst_mpd_representation_node_set_property;
object_class->get_property = gst_mpd_representation_node_get_property;
m_klass->get_xml_node = gst_mpd_representation_get_xml_node;
g_object_class_install_property (object_class,
PROP_MPD_REPRESENTATION_BANDWIDTH, g_param_spec_uint ("bandwidth",
"bandwidth", "representation bandwidth", 0, G_MAXUINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MPD_REPRESENTATION_QUALITY_RANKING,
g_param_spec_uint ("quality-ranking", "quality ranking",
"representation quality ranking", 0, G_MAXUINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_mpd_representation_node_init (GstMPDRepresentationNode * self)
{
self->id = NULL;
self->bandwidth = 0;
self->qualityRanking = 0;
self->dependencyId = NULL;
self->mediaStreamStructureId = NULL;
self->BaseURLs = NULL;
self->SubRepresentations = NULL;
self->SegmentBase = NULL;
self->SegmentTemplate = NULL;
self->SegmentList = NULL;
}
GstMPDRepresentationNode *
gst_mpd_representation_node_new (void)
{
GstMPDRepresentationNode *ret;
ret = g_object_new (GST_TYPE_MPD_REPRESENTATION_NODE, NULL);
gst_object_ref_sink (ret);
return ret;
}
void
gst_mpd_representation_node_free (GstMPDRepresentationNode * self)
{
if (self)
gst_object_unref (self);
}