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

218 lines
6.6 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 "gstmpdperiodnode.h"
#include "gstmpdparser.h"
G_DEFINE_TYPE (GstMPDPeriodNode, gst_mpd_period_node, GST_TYPE_MPD_NODE);
enum
{
PROP_MPD_PERIOD_0,
PROP_MPD_PERIOD_ID,
PROP_MPD_PERIOD_START,
PROP_MPD_PERIOD_DURATION,
PROP_MPD_PERIOD_BITSTREAM_SWITCHING,
};
/* GObject VMethods */
static void
gst_mpd_period_node_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMPDPeriodNode *self = GST_MPD_PERIOD_NODE (object);
switch (prop_id) {
case PROP_MPD_PERIOD_ID:
g_free (self->id);
self->id = g_value_dup_string (value);
break;
case PROP_MPD_PERIOD_START:
self->start = g_value_get_uint64 (value);
break;
case PROP_MPD_PERIOD_DURATION:
self->duration = g_value_get_uint64 (value);
break;
case PROP_MPD_PERIOD_BITSTREAM_SWITCHING:
self->bitstreamSwitching = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mpd_period_node_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMPDPeriodNode *self = GST_MPD_PERIOD_NODE (object);
switch (prop_id) {
case PROP_MPD_PERIOD_ID:
g_value_set_string (value, self->id);
break;
case PROP_MPD_PERIOD_START:
g_value_set_uint64 (value, self->start);
break;
case PROP_MPD_PERIOD_DURATION:
g_value_set_uint64 (value, self->duration);
break;
case PROP_MPD_PERIOD_BITSTREAM_SWITCHING:
g_value_set_boolean (value, self->bitstreamSwitching);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mpd_period_node_finalize (GObject * object)
{
GstMPDPeriodNode *self = GST_MPD_PERIOD_NODE (object);
if (self->id)
xmlFree (self->id);
gst_mpd_segment_base_node_free (self->SegmentBase);
gst_mpd_segment_list_node_free (self->SegmentList);
gst_mpd_segment_template_node_free (self->SegmentTemplate);
g_list_free_full (self->AdaptationSets,
(GDestroyNotify) gst_mpd_adaptation_set_node_free);
g_list_free_full (self->Subsets, (GDestroyNotify) gst_mpd_subset_node_free);
g_list_free_full (self->BaseURLs, (GDestroyNotify) gst_mpd_baseurl_node_free);
if (self->xlink_href)
xmlFree (self->xlink_href);
G_OBJECT_CLASS (gst_mpd_period_node_parent_class)->finalize (object);
}
/* Base class */
static xmlNodePtr
gst_mpd_period_get_xml_node (GstMPDNode * node)
{
xmlNodePtr period_xml_node = NULL;
GstMPDPeriodNode *self = GST_MPD_PERIOD_NODE (node);
period_xml_node = xmlNewNode (NULL, (xmlChar *) "Period");
if (self->id)
gst_xml_helper_set_prop_string (period_xml_node, "id", self->id);
gst_xml_helper_set_prop_duration (period_xml_node, "start", self->start);
gst_xml_helper_set_prop_duration (period_xml_node, "duration",
self->duration);
gst_xml_helper_set_prop_boolean (period_xml_node, "bitstreamSwitching",
self->bitstreamSwitching);
if (self->SegmentBase)
gst_mpd_node_add_child_node (GST_MPD_NODE (self->SegmentBase),
period_xml_node);
if (self->SegmentList)
gst_mpd_mult_segment_base_node_add_child_node (GST_MPD_NODE
(self->SegmentList), period_xml_node);
if (self->SegmentTemplate)
gst_mpd_mult_segment_base_node_add_child_node (GST_MPD_NODE
(self->SegmentTemplate), period_xml_node);
g_list_foreach (self->AdaptationSets,
gst_mpd_representation_base_node_get_list_item, period_xml_node);
g_list_foreach (self->Subsets, gst_mpd_node_get_list_item, period_xml_node);
g_list_foreach (self->BaseURLs, gst_mpd_node_get_list_item, period_xml_node);
return period_xml_node;
}
static void
gst_mpd_period_node_class_init (GstMPDPeriodNodeClass * 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_period_node_finalize;
object_class->set_property = gst_mpd_period_node_set_property;
object_class->get_property = gst_mpd_period_node_get_property;
m_klass->get_xml_node = gst_mpd_period_get_xml_node;
g_object_class_install_property (object_class, PROP_MPD_PERIOD_ID,
g_param_spec_string ("id", "id",
"unique id for period", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_MPD_PERIOD_START,
g_param_spec_uint64 ("start", "Period start",
"Period start",
0, G_MAXUINT64, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (object_class, PROP_MPD_PERIOD_DURATION,
g_param_spec_uint64 ("duration", "period duration",
"Period duration",
0, G_MAXUINT64, 0,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (object_class,
PROP_MPD_PERIOD_BITSTREAM_SWITCHING,
g_param_spec_boolean ("bitstream-switching", "Bitstream switching",
"Bitstream switching", FALSE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
static void
gst_mpd_period_node_init (GstMPDPeriodNode * self)
{
self->id = NULL;
self->start = 0; /* [ms] */
self->duration = 0; /* [ms] */
self->bitstreamSwitching = 0;
self->SegmentBase = NULL;
self->SegmentList = NULL;
self->SegmentTemplate = NULL;
self->AdaptationSets = NULL;
self->Subsets = NULL;
self->BaseURLs = NULL;
self->xlink_href = NULL;
self->actuate = 0;
}
GstMPDPeriodNode *
gst_mpd_period_node_new (void)
{
GstMPDPeriodNode *ret;
ret = g_object_new (GST_TYPE_MPD_PERIOD_NODE, NULL);
gst_object_ref_sink (ret);
return ret;
}
void
gst_mpd_period_node_free (GstMPDPeriodNode * self)
{
if (self)
gst_object_unref (self);
}