mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-20 01:13:47 +00:00
ac74b042ec
Add mpd node base class to provide xml generation facilities for child objects.
204 lines
6.8 KiB
C
204 lines
6.8 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 "gstmpdrootnode.h"
|
|
#include "gstmpdparser.h"
|
|
|
|
G_DEFINE_TYPE (GstMPDRootNode, gst_mpd_root_node, GST_TYPE_MPD_NODE);
|
|
|
|
/* GObject VMethods */
|
|
|
|
static void
|
|
gst_mpd_root_node_finalize (GObject * object)
|
|
{
|
|
GstMPDRootNode *self = GST_MPD_ROOT_NODE (object);
|
|
|
|
g_free (self->default_namespace);
|
|
g_free (self->namespace_xsi);
|
|
g_free (self->namespace_ext);
|
|
g_free (self->schemaLocation);
|
|
g_free (self->id);
|
|
g_free (self->profiles);
|
|
|
|
if (self->availabilityStartTime)
|
|
gst_date_time_unref (self->availabilityStartTime);
|
|
if (self->availabilityEndTime)
|
|
gst_date_time_unref (self->availabilityEndTime);
|
|
|
|
g_list_free_full (self->ProgramInfos,
|
|
(GDestroyNotify) gst_mpd_program_information_node_free);
|
|
g_list_free_full (self->BaseURLs, (GDestroyNotify) gst_mpd_baseurl_node_free);
|
|
g_list_free_full (self->Locations,
|
|
(GDestroyNotify) gst_mpd_location_node_free);
|
|
g_list_free_full (self->Periods, (GDestroyNotify) gst_mpd_period_node_free);
|
|
g_list_free_full (self->Metrics, (GDestroyNotify) gst_mpd_metrics_node_free);
|
|
g_list_free_full (self->UTCTimings,
|
|
(GDestroyNotify) gst_mpd_utctiming_node_free);
|
|
|
|
|
|
G_OBJECT_CLASS (gst_mpd_root_node_parent_class)->finalize (object);
|
|
}
|
|
|
|
/* Base class */
|
|
|
|
static xmlNodePtr
|
|
gst_mpd_root_get_xml_node (GstMPDNode * node)
|
|
{
|
|
xmlNodePtr root_xml_node;
|
|
GstMPDRootNode *self = GST_MPD_ROOT_NODE (node);
|
|
|
|
root_xml_node = xmlNewNode (NULL, (xmlChar *) "MPD");
|
|
|
|
gst_xml_helper_set_prop_string (root_xml_node, "xmlns",
|
|
self->default_namespace);
|
|
gst_xml_helper_set_prop_string (root_xml_node, "profiles", self->profiles);
|
|
gst_xml_helper_set_prop_string (root_xml_node, "schemaLocation",
|
|
self->schemaLocation);
|
|
gst_xml_helper_set_prop_string (root_xml_node, "xmlns:xsi",
|
|
self->namespace_xsi);
|
|
gst_xml_helper_set_prop_string (root_xml_node, "xmlns:ext",
|
|
self->namespace_ext);
|
|
gst_xml_helper_set_prop_string (root_xml_node, "id", self->id);
|
|
|
|
if (self->type == GST_MPD_FILE_TYPE_STATIC)
|
|
gst_xml_helper_set_prop_string (root_xml_node, "type", (gchar *) "static");
|
|
else
|
|
gst_xml_helper_set_prop_string (root_xml_node, "type", (gchar *) "dynamic");
|
|
|
|
|
|
gst_xml_helper_set_prop_date_time (root_xml_node, "availabilityStartTime",
|
|
self->availabilityStartTime);
|
|
|
|
gst_xml_helper_set_prop_date_time (root_xml_node, "availabilityEndTime",
|
|
self->availabilityEndTime);
|
|
|
|
if (self->mediaPresentationDuration)
|
|
gst_xml_helper_set_prop_duration (root_xml_node,
|
|
"mediaPresentationDuration", self->mediaPresentationDuration);
|
|
if (self->minimumUpdatePeriod)
|
|
gst_xml_helper_set_prop_duration (root_xml_node, "minimumUpdatePeriod",
|
|
self->minimumUpdatePeriod);
|
|
if (self->minimumUpdatePeriod)
|
|
gst_xml_helper_set_prop_duration (root_xml_node, "minBufferTime",
|
|
self->minBufferTime);
|
|
if (self->timeShiftBufferDepth)
|
|
gst_xml_helper_set_prop_duration (root_xml_node, "timeShiftBufferDepth",
|
|
self->timeShiftBufferDepth);
|
|
if (self->suggestedPresentationDelay)
|
|
gst_xml_helper_set_prop_duration (root_xml_node,
|
|
"suggestedPresentationDelay", self->suggestedPresentationDelay);
|
|
if (self->maxSegmentDuration)
|
|
gst_xml_helper_set_prop_duration (root_xml_node, "maxSegmentDuration",
|
|
self->maxSegmentDuration);
|
|
if (self->maxSubsegmentDuration)
|
|
gst_xml_helper_set_prop_duration (root_xml_node, "maxSubsegmentDuration",
|
|
self->maxSubsegmentDuration);
|
|
|
|
g_list_foreach (self->BaseURLs, gst_mpd_node_get_list_item, root_xml_node);
|
|
g_list_foreach (self->Locations, gst_mpd_node_get_list_item, root_xml_node);
|
|
g_list_foreach (self->ProgramInfos, gst_mpd_node_get_list_item,
|
|
root_xml_node);
|
|
g_list_foreach (self->Periods, gst_mpd_node_get_list_item, root_xml_node);
|
|
g_list_foreach (self->Metrics, gst_mpd_node_get_list_item, root_xml_node);
|
|
g_list_foreach (self->UTCTimings, gst_mpd_node_get_list_item, root_xml_node);
|
|
|
|
return root_xml_node;
|
|
}
|
|
|
|
static gboolean
|
|
gst_mpd_root_get_xml_buffer (GstMPDNode * node, gchar ** doc_content,
|
|
gint * doc_size)
|
|
{
|
|
xmlDocPtr doc;
|
|
xmlNodePtr root_xml_node;
|
|
xmlChar *xmlbody;
|
|
|
|
doc = xmlNewDoc ((xmlChar *) "1.0");
|
|
root_xml_node = gst_mpd_root_get_xml_node (node);
|
|
xmlDocSetRootElement (doc, root_xml_node);
|
|
|
|
xmlDocDumpMemory (doc, &xmlbody, doc_size);
|
|
*doc_content = g_strndup ((gchar *) xmlbody, *doc_size);
|
|
xmlFree (xmlbody);
|
|
|
|
xmlFreeDoc (doc);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_mpd_root_node_class_init (GstMPDRootNodeClass * 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_root_node_finalize;
|
|
|
|
m_klass->get_xml_buffer = gst_mpd_root_get_xml_buffer;
|
|
m_klass->get_xml_node = gst_mpd_root_get_xml_node;
|
|
}
|
|
|
|
static void
|
|
gst_mpd_root_node_init (GstMPDRootNode * self)
|
|
{
|
|
self->default_namespace = NULL;
|
|
self->namespace_xsi = NULL;
|
|
self->namespace_ext = NULL;
|
|
self->schemaLocation = NULL;
|
|
self->id = NULL;
|
|
self->profiles = NULL;
|
|
self->type = GST_MPD_FILE_TYPE_STATIC;
|
|
self->availabilityStartTime = NULL;
|
|
self->availabilityEndTime = NULL;
|
|
self->mediaPresentationDuration = 0; /* [ms] */
|
|
self->minimumUpdatePeriod = 0; /* [ms] */
|
|
self->minBufferTime = 2000; /* [ms] */
|
|
self->timeShiftBufferDepth = 0; /* [ms] */
|
|
self->suggestedPresentationDelay = 0; /* [ms] */
|
|
self->maxSegmentDuration = 0; /* [ms] */
|
|
self->maxSubsegmentDuration = 0; /* [ms] */
|
|
/* list of BaseURL nodes */
|
|
self->BaseURLs = NULL;
|
|
/* list of Location nodes */
|
|
self->Locations = NULL;
|
|
/* List of ProgramInformation nodes */
|
|
self->ProgramInfos = NULL;
|
|
/* list of Periods nodes */
|
|
self->Periods = NULL;
|
|
/* list of Metrics nodes */
|
|
self->Metrics = NULL;
|
|
/* list of GstUTCTimingNode nodes */
|
|
self->UTCTimings = NULL;
|
|
}
|
|
|
|
GstMPDRootNode *
|
|
gst_mpd_root_node_new (void)
|
|
{
|
|
return g_object_new (GST_TYPE_MPD_ROOT_NODE, NULL);
|
|
}
|
|
|
|
void
|
|
gst_mpd_root_node_free (GstMPDRootNode * self)
|
|
{
|
|
if (self)
|
|
gst_object_unref (self);
|
|
}
|