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140 lines
4.4 KiB
C
140 lines
4.4 KiB
C
/* GStreamer
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*
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* Copyright (C) 2019 Collabora Ltd.
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* Author: Stéphane Cerveau <scerveau@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "gstmpdutctimingnode.h"
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#include "gstmpdparser.h"
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G_DEFINE_TYPE (GstMPDUTCTimingNode, gst_mpd_utctiming_node, GST_TYPE_MPD_NODE);
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static const struct GstMPDUTCTimingMethod gst_mpd_utctiming_methods[] = {
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{"urn:mpeg:dash:utc:ntp:2014", GST_MPD_UTCTIMING_TYPE_NTP},
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{"urn:mpeg:dash:utc:sntp:2014", GST_MPD_UTCTIMING_TYPE_SNTP},
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{"urn:mpeg:dash:utc:http-head:2014", GST_MPD_UTCTIMING_TYPE_HTTP_HEAD},
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{"urn:mpeg:dash:utc:http-xsdate:2014", GST_MPD_UTCTIMING_TYPE_HTTP_XSDATE},
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{"urn:mpeg:dash:utc:http-iso:2014", GST_MPD_UTCTIMING_TYPE_HTTP_ISO},
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{"urn:mpeg:dash:utc:http-ntp:2014", GST_MPD_UTCTIMING_TYPE_HTTP_NTP},
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{"urn:mpeg:dash:utc:direct:2014", GST_MPD_UTCTIMING_TYPE_DIRECT},
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/*
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* Early working drafts used the :2012 namespace and this namespace is
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* used by some DASH packagers. To work-around these packagers, we also
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* accept the early draft scheme names.
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*/
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{"urn:mpeg:dash:utc:ntp:2012", GST_MPD_UTCTIMING_TYPE_NTP},
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{"urn:mpeg:dash:utc:sntp:2012", GST_MPD_UTCTIMING_TYPE_SNTP},
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{"urn:mpeg:dash:utc:http-head:2012", GST_MPD_UTCTIMING_TYPE_HTTP_HEAD},
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{"urn:mpeg:dash:utc:http-xsdate:2012", GST_MPD_UTCTIMING_TYPE_HTTP_XSDATE},
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{"urn:mpeg:dash:utc:http-iso:2012", GST_MPD_UTCTIMING_TYPE_HTTP_ISO},
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{"urn:mpeg:dash:utc:http-ntp:2012", GST_MPD_UTCTIMING_TYPE_HTTP_NTP},
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{"urn:mpeg:dash:utc:direct:2012", GST_MPD_UTCTIMING_TYPE_DIRECT},
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{NULL, 0}
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};
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/* GObject VMethods */
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static void
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gst_mpd_utctiming_node_finalize (GObject * object)
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{
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GstMPDUTCTimingNode *self = GST_MPD_UTCTIMING_NODE (object);
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g_strfreev (self->urls);
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G_OBJECT_CLASS (gst_mpd_utctiming_node_parent_class)->finalize (object);
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}
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/* Base class */
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static xmlNodePtr
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gst_mpd_utc_timing_get_xml_node (GstMPDNode * node)
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{
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xmlNodePtr utc_timing_xml_node = NULL;
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gchar *value = NULL;
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GstMPDUTCTimingNode *self = GST_MPD_UTCTIMING_NODE (node);
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utc_timing_xml_node = xmlNewNode (NULL, (xmlChar *) "UTCTiming");
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if (self->method) {
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gst_xml_helper_set_prop_string (utc_timing_xml_node, "schemeiduri",
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(gchar *) gst_mpd_utctiming_get_scheme_id_uri (self->method));
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}
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if (self->urls) {
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value = g_strjoinv (" ", self->urls);
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gst_xml_helper_set_prop_string (utc_timing_xml_node, "value", value);
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g_free (value);
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}
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return utc_timing_xml_node;
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}
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static void
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gst_mpd_utctiming_node_class_init (GstMPDUTCTimingNodeClass * klass)
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{
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GObjectClass *object_class;
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GstMPDNodeClass *m_klass;
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object_class = G_OBJECT_CLASS (klass);
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m_klass = GST_MPD_NODE_CLASS (klass);
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object_class->finalize = gst_mpd_utctiming_node_finalize;
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m_klass->get_xml_node = gst_mpd_utc_timing_get_xml_node;
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}
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static void
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gst_mpd_utctiming_node_init (GstMPDUTCTimingNode * self)
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{
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self->method = 0;
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self->urls = NULL;
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}
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GstMPDUTCTimingNode *
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gst_mpd_utctiming_node_new (void)
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{
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return g_object_new (GST_TYPE_MPD_UTCTIMING_NODE, NULL);
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}
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void
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gst_mpd_utctiming_node_free (GstMPDUTCTimingNode * self)
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{
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if (self)
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gst_object_unref (self);
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}
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const gchar *
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gst_mpd_utctiming_get_scheme_id_uri (GstMPDUTCTimingType type)
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{
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int i;
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for (i = 0; gst_mpd_utctiming_methods[i].name; ++i) {
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if (type == gst_mpd_utctiming_methods[i].method)
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return gst_mpd_utctiming_methods[i].name;
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}
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return NULL;
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}
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GstMPDUTCTimingType
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gst_mpd_utctiming_get_method (gchar * schemeIDURI)
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{
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int i;
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for (i = 0; gst_mpd_utctiming_methods[i].name; ++i) {
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if (g_ascii_strncasecmp (gst_mpd_utctiming_methods[i].name,
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schemeIDURI, strlen (gst_mpd_utctiming_methods[i].name)) == 0)
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return gst_mpd_utctiming_methods[i].method;
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}
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return GST_MPD_UTCTIMING_TYPE_UNKNOWN;
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}
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