gstreamer/ext/dash/gstmpdrootnode.c

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/* 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);
enum
{
PROP_MPD_ROOT_0,
PROP_MPD_ROOT_DEFAULT_NAMESPACE,
PROP_MPD_ROOT_NAMESPACE_XSI,
PROP_MPD_ROOT_NAMESPACE_EXT,
PROP_MPD_ROOT_SCHEMA_LOCATION,
PROP_MPD_ROOT_ID,
PROP_MPD_ROOT_PROFILES,
PROP_MPD_ROOT_TYPE,
PROP_MPD_ROOT_PUBLISH_TIME,
PROP_MPD_ROOT_AVAILABILTY_START_TIME,
PROP_MPD_ROOT_AVAILABILTY_END_TIME,
PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION,
PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD,
PROP_MPD_ROOT_MIN_BUFFER_TIME,
PROP_MPD_ROOT_TIMESHIFT_BUFFER_DEPTH,
PROP_MPD_ROOT_SUGGESTED_PRESENTATION_DELAY,
PROP_MPD_ROOT_MAX_SEGMENT_DURATION,
PROP_MPD_ROOT_MAX_SUBSEGMENT_DURATION,
};
/* GObject VMethods */
static void
gst_mpd_root_node_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMPDRootNode *self = GST_MPD_ROOT_NODE (object);
switch (prop_id) {
case PROP_MPD_ROOT_DEFAULT_NAMESPACE:
g_free (self->default_namespace);
self->default_namespace = g_value_dup_string (value);
break;
case PROP_MPD_ROOT_NAMESPACE_XSI:
g_free (self->namespace_xsi);
self->namespace_xsi = g_value_dup_string (value);
break;
case PROP_MPD_ROOT_NAMESPACE_EXT:
g_free (self->namespace_ext);
self->namespace_ext = g_value_dup_string (value);
break;
case PROP_MPD_ROOT_SCHEMA_LOCATION:
g_free (self->schemaLocation);
self->schemaLocation = g_value_dup_string (value);
break;
case PROP_MPD_ROOT_ID:
g_free (self->id);
self->id = g_value_dup_string (value);
break;
case PROP_MPD_ROOT_PROFILES:
g_free (self->profiles);
self->profiles = g_value_dup_string (value);
break;
case PROP_MPD_ROOT_TYPE:
self->type = (GstMPDFileType) g_value_get_int (value);
break;
case PROP_MPD_ROOT_AVAILABILTY_START_TIME:
if (self->availabilityStartTime)
gst_date_time_unref (self->availabilityStartTime);
self->availabilityStartTime = g_value_get_boxed (value);
break;
case PROP_MPD_ROOT_AVAILABILTY_END_TIME:
if (self->availabilityEndTime)
gst_date_time_unref (self->availabilityEndTime);
self->availabilityEndTime = g_value_get_boxed (value);
break;
case PROP_MPD_ROOT_PUBLISH_TIME:
if (self->publishTime)
gst_date_time_unref (self->publishTime);
self->publishTime = g_value_get_boxed (value);
break;
case PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION:
self->mediaPresentationDuration = g_value_get_uint64 (value);
break;
case PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD:
self->minimumUpdatePeriod = g_value_get_uint64 (value);
break;
case PROP_MPD_ROOT_MIN_BUFFER_TIME:
self->minBufferTime = g_value_get_uint64 (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mpd_root_node_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMPDRootNode *self = GST_MPD_ROOT_NODE (object);
switch (prop_id) {
case PROP_MPD_ROOT_DEFAULT_NAMESPACE:
g_value_set_string (value, self->default_namespace);
break;
case PROP_MPD_ROOT_NAMESPACE_XSI:
g_value_set_string (value, self->namespace_xsi);
break;
case PROP_MPD_ROOT_NAMESPACE_EXT:
g_value_set_string (value, self->namespace_ext);
break;
case PROP_MPD_ROOT_SCHEMA_LOCATION:
g_value_set_string (value, self->schemaLocation);
break;
case PROP_MPD_ROOT_ID:
g_value_set_string (value, self->id);
break;
case PROP_MPD_ROOT_PROFILES:
g_value_set_string (value, self->profiles);
break;
case PROP_MPD_ROOT_TYPE:
g_value_set_int (value, self->type);
break;
case PROP_MPD_ROOT_AVAILABILTY_START_TIME:
g_value_set_boxed (value, self->availabilityStartTime);
break;
case PROP_MPD_ROOT_AVAILABILTY_END_TIME:
g_value_set_boxed (value, self->availabilityEndTime);
break;
case PROP_MPD_ROOT_PUBLISH_TIME:
g_value_set_boxed (value, self->publishTime);
break;
case PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION:
g_value_set_uint64 (value, self->mediaPresentationDuration);
break;
case PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD:
g_value_set_uint64 (value, self->minimumUpdatePeriod);
break;
case PROP_MPD_ROOT_MIN_BUFFER_TIME:
g_value_set_uint64 (value, self->minBufferTime);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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);
if (self->publishTime)
gst_date_time_unref (self->publishTime);
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);
gst_xml_helper_set_prop_date_time (root_xml_node, "publishTime",
self->publishTime);
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->minBufferTime)
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;
object_class->set_property = gst_mpd_root_node_set_property;
object_class->get_property = gst_mpd_root_node_get_property;
m_klass->get_xml_buffer = gst_mpd_root_get_xml_buffer;
m_klass->get_xml_node = gst_mpd_root_get_xml_node;
g_object_class_install_property (object_class,
PROP_MPD_ROOT_DEFAULT_NAMESPACE, g_param_spec_string ("default-namespace",
"default namespace", "default namespace", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_MPD_ROOT_NAMESPACE_XSI,
g_param_spec_string ("namespace-xsi", "namespace xsi", "namespace xsi",
NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_MPD_ROOT_NAMESPACE_EXT,
g_param_spec_string ("namespace-ext", "namespace ext", "namespace ext",
NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_MPD_ROOT_SCHEMA_LOCATION,
g_param_spec_string ("schema-location", "schema location",
"schema location for period", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_MPD_ROOT_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_ROOT_PROFILES,
g_param_spec_string ("profiles", "profiles", "profiles", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, PROP_MPD_ROOT_TYPE,
g_param_spec_int ("type", "MPD type",
"MPD type",
GST_MPD_FILE_TYPE_STATIC, GST_MPD_FILE_TYPE_DYNAMIC,
GST_MPD_FILE_TYPE_STATIC,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (object_class,
PROP_MPD_ROOT_AVAILABILTY_START_TIME,
g_param_spec_boxed ("availability-start-time", "Availability start time",
"MPD availability start time", GST_TYPE_DATE_TIME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MPD_ROOT_AVAILABILTY_END_TIME,
g_param_spec_boxed ("availability-end-time", "Availability end time",
"MPD availability end time", GST_TYPE_DATE_TIME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MPD_ROOT_PUBLISH_TIME,
g_param_spec_boxed ("publish-time", "publish time",
"MPD publish time", GST_TYPE_DATE_TIME,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION,
g_param_spec_uint64 ("media-presentation-duration",
"media presentation duration", "media presentation duration", 0,
G_MAXUINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD,
g_param_spec_uint64 ("minimum-update-period",
"minimum update period", "minimum update period", 0,
G_MAXUINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_MPD_ROOT_MIN_BUFFER_TIME,
g_param_spec_uint64 ("min-buffer-time", "mininim buffer time",
"mininim buffer time", 0,
G_MAXUINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
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->publishTime = 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);
}