2013-05-08 14:13:32 +00:00
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/*
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2012-10-08 08:24:29 +00:00
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* DASH MPD parsing library
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2013-05-08 14:13:32 +00:00
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*
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2012-10-08 08:24:29 +00:00
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* gstmpdparser.c
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2013-05-08 14:13:32 +00:00
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*
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2012-10-08 08:24:29 +00:00
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* Copyright (C) 2012 STMicroelectronics
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2013-05-08 14:13:32 +00:00
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*
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2012-10-08 08:24:29 +00:00
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* Authors:
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* Gianluca Gennari <gennarone@gmail.com>
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2013-05-08 14:13:32 +00:00
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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 Library General Public
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* License as published by the Free Software Foundation; either
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2012-10-08 08:24:29 +00:00
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* version 2.1 of the License, or (at your option) any later version.
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2013-05-08 14:13:32 +00:00
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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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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2012-10-08 08:24:29 +00:00
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* License along with this library (COPYING); if not, write to the
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2013-05-08 14:13:32 +00:00
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include "gstfragmented.h"
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#include "gstmpdparser.h"
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#define GST_CAT_DEFAULT fragmented_debug
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/* Property parsing */
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static gchar *gst_mpdparser_get_xml_prop_string (xmlNode * a_node, const gchar * property);
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static gchar **gst_mpdparser_get_xml_prop_string_vector_type (xmlNode * a_node, const gchar * property);
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static guint gst_mpdparser_get_xml_prop_unsigned_integer (xmlNode * a_node, const gchar * property, guint default_val);
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static guint *gst_mpdparser_get_xml_prop_uint_vector_type (xmlNode * a_node, const gchar * property, guint * size);
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static gdouble gst_mpdparser_get_xml_prop_double (xmlNode * a_node, const gchar * property);
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static gboolean gst_mpdparser_get_xml_prop_boolean (xmlNode * a_node, const gchar * property);
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static GstMPDFileType gst_mpdparser_get_xml_prop_type (xmlNode * a_node, const gchar * property);
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static GstSAPType gst_mpdparser_get_xml_prop_SAP_type (xmlNode * a_node, const gchar * property);
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static GstRange *gst_mpdparser_get_xml_prop_range (xmlNode * a_node, const gchar * property);
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static GstRatio *gst_mpdparser_get_xml_prop_ratio (xmlNode * a_node, const gchar * property);
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static GstFrameRate *gst_mpdparser_get_xml_prop_framerate (xmlNode * a_node, const gchar * property);
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static GstConditionalUintType *gst_mpdparser_get_xml_prop_cond_uint (xmlNode * a_node, const gchar * property);
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static GstDateTime *gst_mpdparser_get_xml_prop_dateTime (xmlNode * a_node, const gchar * property);
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static gint64 gst_mpdparser_get_xml_prop_duration (xmlNode * a_node, const gchar * property);
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static gchar *gst_mpdparser_get_xml_node_content (xmlNode * a_node);
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static gchar *gst_mpdparser_get_xml_node_namespace (xmlNode * a_node, const gchar * prefix);
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/* XML node parsing */
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static void gst_mpdparser_parse_baseURL_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_descriptor_type_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_content_component_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_location_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_subrepresentation_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_segment_url_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_url_type_node (GstURLType ** pointer, xmlNode * a_node);
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static void gst_mpdparser_parse_seg_base_type_ext (GstSegmentBaseType ** pointer, xmlNode * a_node);
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static void gst_mpdparser_parse_s_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_segment_timeline_node (GstSegmentTimelineNode ** pointer, xmlNode * a_node);
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static void gst_mpdparser_parse_mult_seg_base_type_ext (GstMultSegmentBaseType ** pointer, xmlNode * a_node);
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2012-10-08 09:16:09 +00:00
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static void gst_mpdparser_parse_segment_list_node (GstSegmentListNode ** pointer, xmlNode * a_node);
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2013-05-08 14:13:32 +00:00
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static void gst_mpdparser_parse_representation_base_type (GstRepresentationBaseType ** pointer, xmlNode * a_node);
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static void gst_mpdparser_parse_representation_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_adaptation_set_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_subset_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_segment_template_node (GstSegmentTemplateNode ** pointer, xmlNode * a_node);
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static void gst_mpdparser_parse_period_node (GList ** list, xmlNode * a_node);
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2012-10-08 09:30:40 +00:00
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static void gst_mpdparser_parse_program_info_node (GList ** list, xmlNode * a_node);
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2013-05-08 14:13:32 +00:00
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static void gst_mpdparser_parse_metrics_range_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_metrics_node (GList ** list, xmlNode * a_node);
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static void gst_mpdparser_parse_root_node (GstMpdClient * client, xmlNode *a_node);
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/* Helper functions */
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static gint convert_to_millisecs (gint decimals, gint pos);
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static int strncmp_ext (const char *s1, const char *s2);
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static gchar *gst_mpdparser_parse_baseURL (GstMpdClient * client);
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static gchar *gst_mpdparser_get_mediaURL (GstSegmentURLNode *segmentURL);
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static gchar *gst_mpdparser_get_initializationURL (GstURLType *InitializationURL);
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static gchar *gst_mpdparser_build_URL_from_template (const gchar *url_template, const gchar *id, guint number, guint bandwidth, guint time);
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/* Period */
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static GstPeriodNode *gst_mpdparser_get_next_period (GList *Periods, GstPeriodNode *prev_period);
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/* Adaptation Set */
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static GstAdaptationSetNode *gst_mpdparser_get_first_adapt_set (GList *AdaptationSets);
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static GstAdaptationSetNode *gst_mpdparser_get_first_adapt_set_with_mimeType (GList *AdaptationSets, const gchar *mimeType);
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static GstAdaptationSetNode *gst_mpdparser_get_adapt_set_with_mimeType_and_idx (GList *AdaptationSets, const gchar *mimeType, gint idx);
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static GstAdaptationSetNode *gst_mpdparser_get_first_adapt_set_with_mimeType_and_lang (GList *AdaptationSets, const gchar *mimeType, const gchar *lang);
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/* Representation */
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static GstRepresentationNode *gst_mpdparser_get_lowest_representation (GList * Representations);
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#if 0
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static GstRepresentationNode *gst_mpdparser_get_highest_representation (GList * Representations);
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static GstRepresentationNode *gst_mpdparser_get_representation_with_max_bandwidth (GList * Representations, gint max_bandwidth);
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#endif
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static GstSegmentBaseType *gst_mpdparser_get_segment_base (GstPeriodNode *Period, GstAdaptationSetNode * AdaptationSet, GstRepresentationNode * Representation);
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2012-10-08 09:16:09 +00:00
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static GstSegmentListNode *gst_mpdparser_get_segment_list (GstPeriodNode *Period, GstAdaptationSetNode * AdaptationSet, GstRepresentationNode * Representation);
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2013-05-08 14:13:32 +00:00
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/* Memory management */
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static void gst_mpdparser_free_mpd_node (GstMPDNode * mpd_node);
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static void gst_mpdparser_free_prog_info_node (GstProgramInformationNode * prog_info_node);
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static void gst_mpdparser_free_metrics_node (GstMetricsNode * metrics_node);
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static void gst_mpdparser_free_metrics_range_node (GstMetricsRangeNode * metrics_range_node);
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static void gst_mpdparser_free_period_node (GstPeriodNode * period_node);
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static void gst_mpdparser_free_subset_node (GstSubsetNode * subset_node);
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static void gst_mpdparser_free_segment_template_node (GstSegmentTemplateNode * segment_template_node);
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static void gst_mpdparser_free_representation_base_type (GstRepresentationBaseType * representation_base);
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static void gst_mpdparser_free_adaptation_set_node (GstAdaptationSetNode * adaptation_set_node);
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static void gst_mpdparser_free_representation_node (GstRepresentationNode * representation_node);
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static void gst_mpdparser_free_subrepresentation_node (GstSubRepresentationNode * subrep_node);
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static void gst_mpdparser_free_s_node (GstSNode * s_node);
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static void gst_mpdparser_free_segment_timeline_node (GstSegmentTimelineNode * seg_timeline);
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static void gst_mpdparser_free_url_type_node (GstURLType * url_type_node);
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static void gst_mpdparser_free_seg_base_type_ext (GstSegmentBaseType * seg_base_type);
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static void gst_mpdparser_free_mult_seg_base_type_ext (GstMultSegmentBaseType * mult_seg_base_type);
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static void gst_mpdparser_free_segment_list_node (GstSegmentListNode * segment_list_node);
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static void gst_mpdparser_free_segment_url_node (GstSegmentURLNode * segment_url);
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static void gst_mpdparser_free_base_url_node (GstBaseURL * base_url_node);
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static void gst_mpdparser_free_descriptor_type_node (GstDescriptorType * descriptor_type);
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static void gst_mpdparser_free_content_component_node (GstContentComponentNode * content_component_node);
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static void gst_mpdparser_free_media_segment (GstMediaSegment * media_segment);
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static void gst_mpdparser_free_active_stream (GstActiveStream * active_stream);
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/* functions to parse node namespaces, content and properties */
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static gchar *
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gst_mpdparser_get_xml_prop_string (xmlNode * a_node, const gchar * property)
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{
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xmlChar *prop_string;
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prop_string = xmlGetProp (a_node, (const xmlChar *) property);
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if (prop_string) {
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GST_LOG (" - %s: %s", property, prop_string);
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}
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return (gchar *) prop_string;
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}
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static gchar **
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gst_mpdparser_get_xml_prop_string_vector_type (xmlNode * a_node, const gchar * property)
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{
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xmlChar *prop_string;
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gchar **prop_string_vector = NULL;
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guint i = 0;
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prop_string = xmlGetProp (a_node, (const xmlChar *) property);
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if (prop_string) {
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prop_string_vector = g_strsplit ((gchar *) prop_string, " ", -1);
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if (!prop_string_vector) {
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GST_WARNING ("Scan of string vector property failed!");
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return NULL;
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}
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GST_LOG (" - %s:", property);
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while (prop_string_vector[i]) {
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GST_LOG (" %s", prop_string_vector[i]);
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i++;
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}
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xmlFree (prop_string);
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}
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return prop_string_vector;
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}
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static guint
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gst_mpdparser_get_xml_prop_unsigned_integer (xmlNode * a_node, const gchar * property, guint default_val)
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{
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xmlChar *prop_string;
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guint prop_unsigned_integer = default_val;
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prop_string = xmlGetProp (a_node, (const xmlChar *) property);
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if (prop_string) {
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if (sscanf ((gchar *) prop_string, "%u", &prop_unsigned_integer)) {
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GST_LOG (" - %s: %u", property, prop_unsigned_integer);
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} else {
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GST_WARNING ("failed to parse unsigned integer property %s from xml string %s",
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property, prop_string);
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}
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xmlFree (prop_string);
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}
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return prop_unsigned_integer;
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}
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static guint *
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gst_mpdparser_get_xml_prop_uint_vector_type (xmlNode * a_node, const gchar * property, guint * size)
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{
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xmlChar *prop_string;
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gchar **str_vector;
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guint *prop_uint_vector = NULL, i;
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prop_string = xmlGetProp (a_node, (const xmlChar *) property);
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if (prop_string) {
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str_vector = g_strsplit ((gchar *) prop_string, " ", -1);
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if (!str_vector) {
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GST_WARNING ("Scan of uint vector property failed!");
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return NULL;
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}
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*size = g_strv_length (str_vector);
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prop_uint_vector = g_malloc (*size * sizeof (guint));
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if (!prop_uint_vector) {
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GST_WARNING ("Array allocation failed!");
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} else {
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GST_LOG (" - %s:", property);
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for (i = 0; i < *size; i++) {
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if (sscanf ((gchar *) str_vector[i], "%u", &prop_uint_vector[i])) {
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GST_LOG (" %u", prop_uint_vector[i]);
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} else {
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GST_WARNING ("failed to parse uint vector type property %s from xml string %s",
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property, str_vector[i]);
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}
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}
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}
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xmlFree (prop_string);
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g_strfreev (str_vector);
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}
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return prop_uint_vector;
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}
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static gdouble
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gst_mpdparser_get_xml_prop_double (xmlNode * a_node, const gchar * property)
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{
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xmlChar *prop_string;
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gdouble prop_double = 0;
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prop_string = xmlGetProp (a_node, (const xmlChar *) property);
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if (prop_string) {
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if (sscanf ((gchar *) prop_string, "%lf", &prop_double)) {
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GST_LOG (" - %s: %lf", property, prop_double);
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} else {
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GST_WARNING ("failed to parse double property %s from xml string %s",
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property, prop_string);
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}
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xmlFree (prop_string);
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}
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return prop_double;
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}
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static gboolean
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gst_mpdparser_get_xml_prop_boolean (xmlNode * a_node, const gchar * property)
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{
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xmlChar *prop_string;
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gboolean prop_bool = FALSE;
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prop_string = xmlGetProp (a_node, (const xmlChar *) property);
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if (prop_string) {
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if (xmlStrcmp (prop_string, (xmlChar *) "false") == 0) {
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GST_LOG (" - %s: false", property);
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} else if (xmlStrcmp (prop_string, (xmlChar *) "true") == 0) {
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GST_LOG (" - %s: true", property);
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prop_bool = TRUE;
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} else {
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GST_WARNING ("failed to parse boolean property %s from xml string %s",
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property, prop_string);
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}
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xmlFree (prop_string);
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}
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return prop_bool;
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}
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static GstMPDFileType
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gst_mpdparser_get_xml_prop_type (xmlNode * a_node, const gchar * property)
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{
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xmlChar *prop_string;
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GstMPDFileType prop_type = GST_MPD_FILE_TYPE_STATIC; /* default */
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prop_string = xmlGetProp (a_node, (const xmlChar *) property);
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if (prop_string) {
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if (xmlStrcmp (prop_string, (xmlChar *) "OnDemand") == 0
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|| xmlStrcmp (prop_string, (xmlChar *) "static") == 0) {
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GST_LOG (" - %s: static", property);
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prop_type = GST_MPD_FILE_TYPE_STATIC;
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} else if (xmlStrcmp (prop_string, (xmlChar *) "Live") == 0
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|| xmlStrcmp (prop_string, (xmlChar *) "dynamic") == 0) {
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GST_LOG (" - %s: dynamic", property);
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|
|
prop_type = GST_MPD_FILE_TYPE_DYNAMIC;
|
|
|
|
} else {
|
|
|
|
GST_WARNING ("failed to parse MPD type property %s from xml string %s",
|
|
|
|
property, prop_string);
|
|
|
|
}
|
|
|
|
xmlFree (prop_string);
|
|
|
|
}
|
|
|
|
|
|
|
|
return prop_type;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstSAPType
|
|
|
|
gst_mpdparser_get_xml_prop_SAP_type (xmlNode * a_node, const gchar * property)
|
|
|
|
{
|
|
|
|
xmlChar *prop_string;
|
|
|
|
guint prop_SAP_type = 0;
|
|
|
|
|
|
|
|
prop_string = xmlGetProp (a_node, (const xmlChar *) property);
|
|
|
|
if (prop_string) {
|
|
|
|
if (sscanf ((gchar *) prop_string, "%u", &prop_SAP_type)
|
|
|
|
&& prop_SAP_type <= 6) {
|
|
|
|
GST_LOG (" - %s: %u", property, prop_SAP_type);
|
|
|
|
} else {
|
|
|
|
GST_WARNING ("failed to parse unsigned integer property %s from xml string %s",
|
|
|
|
property, prop_string);
|
|
|
|
}
|
|
|
|
xmlFree (prop_string);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (GstSAPType) prop_SAP_type;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstRange *
|
|
|
|
gst_mpdparser_get_xml_prop_range (xmlNode * a_node, const gchar * property)
|
|
|
|
{
|
|
|
|
xmlChar *prop_string;
|
|
|
|
GstRange *prop_range = NULL;
|
|
|
|
guint64 first_byte_pos = 0, last_byte_pos = 0;
|
|
|
|
guint len, pos;
|
|
|
|
gchar *str;
|
|
|
|
|
|
|
|
prop_string = xmlGetProp (a_node, (const xmlChar *) property);
|
|
|
|
if (prop_string) {
|
|
|
|
len = xmlStrlen (prop_string);
|
|
|
|
str = (gchar *) prop_string;
|
|
|
|
GST_TRACE ("range: %s, len %d", str, len);
|
|
|
|
|
|
|
|
/* read "-" */
|
|
|
|
pos = strcspn (str, "-");
|
|
|
|
if (pos >= len) {
|
|
|
|
GST_TRACE ("pos %d >= len %d", pos, len);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
/* read first_byte_pos */
|
|
|
|
if (pos != 0) {
|
|
|
|
if (sscanf (str, "%llu", &first_byte_pos) != 1) {
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* read last_byte_pos */
|
|
|
|
if (pos < (len - 1)) {
|
|
|
|
if (sscanf (str + pos + 1, "%llu", &last_byte_pos) != 1) {
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* malloc return data structure */
|
|
|
|
prop_range = g_slice_new0 (GstRange);
|
|
|
|
if (prop_range == NULL) {
|
|
|
|
GST_WARNING ("Allocation of GstRange failed!");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
prop_range->first_byte_pos = first_byte_pos;
|
|
|
|
prop_range->last_byte_pos = last_byte_pos;
|
|
|
|
GST_LOG (" - %s: %" G_GUINT64_FORMAT "-%" G_GUINT64_FORMAT,
|
|
|
|
property, first_byte_pos, last_byte_pos);
|
|
|
|
xmlFree (prop_string);
|
|
|
|
}
|
|
|
|
|
|
|
|
return prop_range;
|
|
|
|
|
|
|
|
error:
|
|
|
|
GST_WARNING("failed to parse property %s from xml string %s", property,
|
|
|
|
prop_string);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstRatio *
|
|
|
|
gst_mpdparser_get_xml_prop_ratio (xmlNode * a_node, const gchar * property)
|
|
|
|
{
|
|
|
|
xmlChar *prop_string;
|
|
|
|
GstRatio *prop_ratio = NULL;
|
|
|
|
guint num = 0, den = 1;
|
|
|
|
guint len, pos;
|
|
|
|
gchar *str;
|
|
|
|
|
|
|
|
prop_string = xmlGetProp (a_node, (const xmlChar *) property);
|
|
|
|
if (prop_string) {
|
|
|
|
len = xmlStrlen (prop_string);
|
|
|
|
str = (gchar *) prop_string;
|
|
|
|
GST_TRACE ("ratio: %s, len %d", str, len);
|
|
|
|
|
|
|
|
/* read ":" */
|
|
|
|
pos = strcspn (str, ":");
|
|
|
|
if (pos >= len) {
|
|
|
|
GST_TRACE ("pos %d >= len %d", pos, len);
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
/* read num */
|
|
|
|
if (pos != 0) {
|
|
|
|
if (sscanf (str, "%u", &num) != 1) {
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* read den */
|
|
|
|
if (pos < (len - 1)) {
|
|
|
|
if (sscanf (str + pos + 1, "%u", &den) != 1) {
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* malloc return data structure */
|
|
|
|
prop_ratio = g_slice_new0 (GstRatio);
|
|
|
|
if (prop_ratio == NULL) {
|
|
|
|
GST_WARNING ("Allocation of GstRatio failed!");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
prop_ratio->num = num;
|
|
|
|
prop_ratio->den = den;
|
|
|
|
GST_LOG (" - %s: %u:%u", property, num, den);
|
|
|
|
xmlFree (prop_string);
|
|
|
|
}
|
|
|
|
|
|
|
|
return prop_ratio;
|
|
|
|
|
|
|
|
error:
|
|
|
|
GST_WARNING ("failed to parse property %s from xml string %s", property,
|
|
|
|
prop_string);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstFrameRate *
|
|
|
|
gst_mpdparser_get_xml_prop_framerate (xmlNode * a_node, const gchar * property)
|
|
|
|
{
|
|
|
|
xmlChar *prop_string;
|
|
|
|
GstFrameRate *prop_framerate = NULL;
|
|
|
|
guint num = 0, den = 1;
|
|
|
|
guint len, pos;
|
|
|
|
gchar *str;
|
|
|
|
|
|
|
|
prop_string = xmlGetProp (a_node, (const xmlChar *) property);
|
|
|
|
if (prop_string) {
|
|
|
|
len = xmlStrlen (prop_string);
|
|
|
|
str = (gchar *) prop_string;
|
|
|
|
GST_TRACE ("framerate: %s, len %d", str, len);
|
|
|
|
|
|
|
|
/* read "/" if available */
|
|
|
|
pos = strcspn (str, "/");
|
|
|
|
/* read num */
|
|
|
|
if (pos != 0) {
|
|
|
|
if (sscanf (str, "%u", &num) != 1) {
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* read den (if available) */
|
|
|
|
if (pos < (len - 1)) {
|
|
|
|
if (sscanf (str + pos + 1, "%u", &den) != 1) {
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* alloc return data structure */
|
|
|
|
prop_framerate = g_slice_new0 (GstFrameRate);
|
|
|
|
if (prop_framerate == NULL) {
|
|
|
|
GST_WARNING ("Allocation of GstFrameRate failed!");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
prop_framerate->num = num;
|
|
|
|
prop_framerate->den = den;
|
|
|
|
if (den == 1)
|
|
|
|
GST_LOG (" - %s: %u", property, num);
|
|
|
|
else
|
|
|
|
GST_LOG (" - %s: %u/%u", property, num, den);
|
|
|
|
xmlFree (prop_string);
|
|
|
|
}
|
|
|
|
|
|
|
|
return prop_framerate;
|
|
|
|
|
|
|
|
error:
|
|
|
|
GST_WARNING ("failed to parse property %s from xml string %s", property,
|
|
|
|
prop_string);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstConditionalUintType *
|
|
|
|
gst_mpdparser_get_xml_prop_cond_uint (xmlNode * a_node, const gchar * property)
|
|
|
|
{
|
|
|
|
xmlChar *prop_string;
|
|
|
|
GstConditionalUintType *prop_cond_uint = NULL;
|
|
|
|
gchar *str;
|
|
|
|
gboolean flag;
|
|
|
|
guint val;
|
|
|
|
|
|
|
|
prop_string = xmlGetProp (a_node, (const xmlChar *) property);
|
|
|
|
if (prop_string) {
|
|
|
|
str = (gchar *) prop_string;
|
|
|
|
GST_TRACE ("conditional uint: %s", str);
|
|
|
|
|
|
|
|
if (strcmp (str, "false") == 0) {
|
|
|
|
flag = FALSE;
|
|
|
|
val = 0;
|
|
|
|
} else if (strcmp (str, "true") == 0) {
|
|
|
|
flag = TRUE;
|
|
|
|
val = 0;
|
|
|
|
} else {
|
|
|
|
flag = TRUE;
|
|
|
|
if (sscanf (str, "%u", &val) != 1)
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* alloc return data structure */
|
|
|
|
prop_cond_uint = g_slice_new0 (GstConditionalUintType);
|
|
|
|
if (prop_cond_uint == NULL) {
|
|
|
|
GST_WARNING ("Allocation of GstConditionalUintType failed!");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
prop_cond_uint->flag = flag;
|
|
|
|
prop_cond_uint->value = val;
|
|
|
|
GST_LOG (" - %s: flag=%s val=%u", property,
|
|
|
|
flag ? "true" : "false", val);
|
|
|
|
xmlFree (prop_string);
|
|
|
|
}
|
|
|
|
|
|
|
|
return prop_cond_uint;
|
|
|
|
|
|
|
|
error:
|
|
|
|
GST_WARNING ("failed to parse property %s from xml string %s", property,
|
|
|
|
prop_string);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
DateTime Data Type
|
|
|
|
|
|
|
|
The dateTime data type is used to specify a date and a time.
|
|
|
|
|
|
|
|
The dateTime is specified in the following form "YYYY-MM-DDThh:mm:ss" where:
|
|
|
|
|
|
|
|
* YYYY indicates the year
|
|
|
|
* MM indicates the month
|
|
|
|
* DD indicates the day
|
|
|
|
* T indicates the start of the required time section
|
|
|
|
* hh indicates the hour
|
|
|
|
* mm indicates the minute
|
|
|
|
* ss indicates the second
|
|
|
|
|
|
|
|
Note: All components are required!
|
|
|
|
*/
|
|
|
|
|
|
|
|
static GstDateTime *
|
|
|
|
gst_mpdparser_get_xml_prop_dateTime (xmlNode * a_node, const gchar * property)
|
|
|
|
{
|
|
|
|
xmlChar *prop_string;
|
|
|
|
gchar *str;
|
|
|
|
gint ret, len, pos;
|
|
|
|
gint year, month, day, hour, minute, second;
|
|
|
|
|
|
|
|
prop_string = xmlGetProp (a_node, (const xmlChar *) property);
|
|
|
|
if (prop_string) {
|
|
|
|
len = xmlStrlen (prop_string);
|
|
|
|
str = (gchar *) prop_string;
|
|
|
|
GST_TRACE ("dateTime: %s, len %d", str, len);
|
|
|
|
/* parse year */
|
|
|
|
ret = sscanf (str, "%d", &year);
|
|
|
|
if (ret != 1)
|
|
|
|
goto error;
|
|
|
|
pos = strcspn (str, "-");
|
|
|
|
str += (pos + 1);
|
|
|
|
GST_TRACE (" - year %d", year);
|
|
|
|
/* parse month */
|
|
|
|
ret = sscanf (str, "%d", &month);
|
|
|
|
if (ret != 1)
|
|
|
|
goto error;
|
|
|
|
pos = strcspn (str, "-");
|
|
|
|
str += (pos + 1);
|
|
|
|
GST_TRACE (" - month %d", month);
|
|
|
|
/* parse day */
|
|
|
|
ret = sscanf (str, "%d", &day);
|
|
|
|
if (ret != 1)
|
|
|
|
goto error;
|
|
|
|
pos = strcspn (str, "T");
|
|
|
|
str += (pos + 1);
|
|
|
|
GST_TRACE (" - day %d", day);
|
|
|
|
/* parse hour */
|
|
|
|
ret = sscanf (str, "%d", &hour);
|
|
|
|
if (ret != 1)
|
|
|
|
goto error;
|
|
|
|
pos = strcspn (str, ":");
|
|
|
|
str += (pos + 1);
|
|
|
|
GST_TRACE (" - hour %d", hour);
|
|
|
|
/* parse minute */
|
|
|
|
ret = sscanf (str, "%d", &minute);
|
|
|
|
if (ret != 1)
|
|
|
|
goto error;
|
|
|
|
pos = strcspn (str, ":");
|
|
|
|
str += (pos + 1);
|
|
|
|
GST_TRACE (" - minute %d", minute);
|
|
|
|
/* parse second */
|
|
|
|
ret = sscanf (str, "%d", &second);
|
|
|
|
if (ret != 1)
|
|
|
|
goto error;
|
|
|
|
GST_TRACE (" - second %d", second);
|
|
|
|
|
|
|
|
GST_LOG (" - %s: %4d/%02d/%02d %02d:%02d:%02d", property,
|
|
|
|
year, month, day, hour, minute, second);
|
|
|
|
|
|
|
|
return gst_date_time_new (0, year, month, day, hour, minute, second);
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
error:
|
|
|
|
GST_WARNING ("failed to parse property %s from xml string %s", property,
|
|
|
|
prop_string);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
Duration Data Type
|
|
|
|
|
|
|
|
The duration data type is used to specify a time interval.
|
|
|
|
|
|
|
|
The time interval is specified in the following form "-PnYnMnDTnHnMnS" where:
|
|
|
|
|
|
|
|
* - indicates the negative sign (optional)
|
|
|
|
* P indicates the period (required)
|
|
|
|
* nY indicates the number of years
|
|
|
|
* nM indicates the number of months
|
|
|
|
* nD indicates the number of days
|
|
|
|
* T indicates the start of a time section (required if you are going to specify hours, minutes, or seconds)
|
|
|
|
* nH indicates the number of hours
|
|
|
|
* nM indicates the number of minutes
|
|
|
|
* nS indicates the number of seconds
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* this function computes decimals * 10 ^ (3 - pos) */
|
|
|
|
static gint
|
|
|
|
convert_to_millisecs (gint decimals, gint pos)
|
|
|
|
{
|
|
|
|
gint num = 1, den = 1, i = 3 - pos;
|
|
|
|
|
|
|
|
while (i < 0) {
|
|
|
|
den *= 10;
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
while (i > 0) {
|
|
|
|
num *= 10;
|
|
|
|
i--;
|
|
|
|
}
|
|
|
|
/* if i == 0 we have exactly 3 decimals and nothing to do */
|
|
|
|
return decimals * num / den;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gint64
|
|
|
|
gst_mpdparser_get_xml_prop_duration (xmlNode * a_node, const gchar * property)
|
|
|
|
{
|
|
|
|
xmlChar *prop_string;
|
|
|
|
gchar *str;
|
|
|
|
gint64 prop_duration = -1;
|
|
|
|
gint ret, read, len, pos, posT;
|
|
|
|
gint years = 0, months = 0, days = 0, hours = 0, minutes = 0, seconds =
|
|
|
|
0, decimals = 0;
|
|
|
|
gint sign = 1;
|
|
|
|
gboolean have_ms = FALSE;
|
|
|
|
|
|
|
|
prop_string = xmlGetProp (a_node, (const xmlChar *) property);
|
|
|
|
if (prop_string) {
|
|
|
|
len = xmlStrlen (prop_string);
|
|
|
|
str = (gchar *) prop_string;
|
|
|
|
GST_TRACE ("duration: %s, len %d", str, len);
|
|
|
|
/* read "-" for sign, if present */
|
|
|
|
pos = strcspn (str, "-");
|
|
|
|
if (pos < len) { /* found "-" */
|
|
|
|
if (pos != 0) {
|
|
|
|
GST_WARNING ("sign \"-\" non at the beginning of the string");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
GST_TRACE ("found - sign at the beginning");
|
|
|
|
sign = -1;
|
|
|
|
str++;
|
|
|
|
len--;
|
|
|
|
}
|
|
|
|
/* read "P" for period */
|
|
|
|
pos = strcspn (str, "P");
|
|
|
|
if (pos != 0) {
|
|
|
|
GST_WARNING ("P not found at the beginning of the string!");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
str++;
|
|
|
|
len--;
|
|
|
|
/* read "T" for time (if present) */
|
|
|
|
posT = strcspn (str, "T");
|
|
|
|
len -= posT;
|
|
|
|
if (posT > 0) {
|
|
|
|
/* there is some room between P and T, so there must be a period section */
|
|
|
|
/* read years, months, days */
|
|
|
|
do {
|
|
|
|
GST_TRACE ("parsing substring %s", str);
|
|
|
|
pos = strcspn (str, "YMD");
|
|
|
|
ret = sscanf (str, "%d", &read);
|
|
|
|
if (ret != 1) {
|
|
|
|
GST_WARNING ("can not read integer value from string %s!", str);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
switch (str[pos]) {
|
|
|
|
case 'Y':
|
|
|
|
years = read;
|
|
|
|
break;
|
|
|
|
case 'M':
|
|
|
|
months = read;
|
|
|
|
break;
|
|
|
|
case 'D':
|
|
|
|
days = read;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
GST_WARNING ("unexpected char %c!", str[pos]);
|
|
|
|
return -1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
GST_TRACE ("read number %d type %c", read, str[pos]);
|
|
|
|
str += (pos + 1);
|
|
|
|
posT -= (pos + 1);
|
|
|
|
} while (posT > 0);
|
|
|
|
|
|
|
|
GST_TRACE ("Y:M:D=%d:%d:%d", years, months, days);
|
|
|
|
}
|
|
|
|
/* read "T" for time (if present) */
|
|
|
|
/* here T is at pos == 0 */
|
|
|
|
str++;
|
|
|
|
len--;
|
|
|
|
pos = 0;
|
|
|
|
if (pos < len) {
|
|
|
|
/* T found, there is a time section */
|
|
|
|
/* read hours, minutes, seconds, cents of second */
|
|
|
|
do {
|
|
|
|
GST_TRACE ("parsing substring %s", str);
|
|
|
|
pos = strcspn (str, "HMS,.");
|
|
|
|
ret = sscanf (str, "%d", &read);
|
|
|
|
if (ret != 1) {
|
|
|
|
GST_WARNING ("can not read integer value from string %s!", str);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
switch (str[pos]) {
|
|
|
|
case 'H':
|
|
|
|
hours = read;
|
|
|
|
break;
|
|
|
|
case 'M':
|
|
|
|
minutes = read;
|
|
|
|
break;
|
|
|
|
case 'S':
|
|
|
|
if (have_ms) {
|
|
|
|
/* we have read the decimal part of the seconds */
|
|
|
|
decimals = convert_to_millisecs (read, pos);
|
|
|
|
GST_TRACE ("decimal number %d (%d digits) -> %d ms", read, pos,
|
|
|
|
decimals);
|
|
|
|
} else {
|
|
|
|
/* no decimals */
|
|
|
|
seconds = read;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case '.':
|
|
|
|
case ',':
|
|
|
|
/* we have read the integer part of a decimal number in seconds */
|
|
|
|
seconds = read;
|
|
|
|
have_ms = TRUE;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
GST_WARNING ("unexpected char %c!", str[pos]);
|
|
|
|
return -1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
GST_TRACE ("read number %d type %c", read, str[pos]);
|
|
|
|
str += pos + 1;
|
|
|
|
len -= (pos + 1);
|
|
|
|
} while (len > 0);
|
|
|
|
|
|
|
|
GST_TRACE ("H:M:S.MS=%d:%d:%d.%03d", hours, minutes,
|
|
|
|
seconds, decimals);
|
|
|
|
}
|
|
|
|
|
|
|
|
xmlFree (prop_string);
|
|
|
|
prop_duration =
|
|
|
|
sign * ((((((gint64) years * 365 + months * 30 + days) * 24 +
|
|
|
|
hours) * 60 + minutes) * 60 + seconds) * 1000 + decimals);
|
|
|
|
GST_LOG (" - %s: %" G_GINT64_FORMAT, property,
|
|
|
|
prop_duration);
|
|
|
|
}
|
|
|
|
|
|
|
|
return prop_duration;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gchar *
|
|
|
|
gst_mpdparser_get_xml_node_content (xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlChar *content = NULL;
|
|
|
|
|
|
|
|
content = xmlNodeGetContent (a_node);
|
|
|
|
if (content) {
|
|
|
|
GST_LOG (" - %s: %s", a_node->name, content);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (gchar *) content;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gchar *
|
|
|
|
gst_mpdparser_get_xml_node_namespace (xmlNode * a_node, const gchar * prefix)
|
|
|
|
{
|
|
|
|
xmlNs *curr_ns;
|
|
|
|
gchar *namespace = NULL;
|
|
|
|
|
|
|
|
if (prefix == NULL) {
|
|
|
|
/* return the default namespace */
|
|
|
|
namespace = g_strdup ((gchar *) a_node->ns->href);
|
|
|
|
if (namespace) {
|
|
|
|
GST_LOG (" - default namespace: %s", namespace);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* look for the specified prefix in the namespace list */
|
|
|
|
for (curr_ns = a_node->ns; curr_ns; curr_ns = curr_ns->next) {
|
|
|
|
if (xmlStrcmp (curr_ns->prefix, (xmlChar *) prefix) == 0) {
|
|
|
|
namespace = g_strdup ((gchar *) curr_ns->href);
|
|
|
|
if (namespace) {
|
|
|
|
GST_LOG (" - %s namespace: %s", curr_ns->prefix,
|
|
|
|
curr_ns->href);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return namespace;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_baseURL_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstBaseURL *new_base_url;
|
|
|
|
|
|
|
|
new_base_url = g_slice_new0 (GstBaseURL);
|
|
|
|
if (new_base_url == NULL) {
|
|
|
|
GST_WARNING ("Allocation of BaseURL node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_base_url);
|
|
|
|
|
|
|
|
GST_LOG ("content of BaseURL node:");
|
|
|
|
new_base_url->baseURL = gst_mpdparser_get_xml_node_content (a_node);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of BaseURL node:");
|
|
|
|
new_base_url->serviceLocation =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "serviceLocation");
|
|
|
|
new_base_url->byteRange =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "byteRange");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstDescriptorType *new_descriptor;
|
|
|
|
|
|
|
|
new_descriptor = g_slice_new0 (GstDescriptorType);
|
|
|
|
if (new_descriptor == NULL) {
|
|
|
|
GST_WARNING ("Allocation of DescriptorType node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_descriptor);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of %s node:", a_node->name);
|
|
|
|
new_descriptor->schemeIdUri =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "schemeIdUri");
|
|
|
|
new_descriptor->value =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "value");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_content_component_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstContentComponentNode *new_content_component;
|
|
|
|
|
|
|
|
new_content_component = g_slice_new0 (GstContentComponentNode);
|
|
|
|
if (new_content_component == NULL) {
|
|
|
|
GST_WARNING ("Allocation of ContentComponent node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_content_component);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of ContentComponent node:");
|
|
|
|
new_content_component->id =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "id", 0);
|
|
|
|
new_content_component->lang =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "lang");
|
|
|
|
new_content_component->contentType =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "contentType");
|
|
|
|
new_content_component->par = gst_mpdparser_get_xml_prop_ratio (a_node, "par");
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "Accessibility") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_content_component->Accessibility, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Role") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_content_component->Role, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Rating") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_content_component->Rating, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Viewpoint") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_content_component->Viewpoint, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_location_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
gchar *location;
|
|
|
|
|
|
|
|
GST_LOG ("content of Location node:");
|
|
|
|
location = gst_mpdparser_get_xml_node_content (a_node);
|
|
|
|
|
|
|
|
*list = g_list_append (*list, location);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_subrepresentation_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstSubRepresentationNode *new_subrep;
|
|
|
|
|
|
|
|
new_subrep = g_slice_new0 (GstSubRepresentationNode);
|
|
|
|
if (new_subrep == NULL) {
|
|
|
|
GST_WARNING ("Allocation of SubRepresentation node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_subrep);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of SubRepresentation node:");
|
|
|
|
new_subrep->level =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "level", 0);
|
|
|
|
new_subrep->dependencyLevel =
|
|
|
|
gst_mpdparser_get_xml_prop_uint_vector_type (a_node, "dependencyLevel", &new_subrep->size);
|
|
|
|
new_subrep->bandwidth =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "bandwidth", 0);
|
|
|
|
new_subrep->contentComponent =
|
|
|
|
gst_mpdparser_get_xml_prop_string_vector_type (a_node, "contentComponent");
|
|
|
|
|
|
|
|
/* RepresentationBase extension */
|
|
|
|
gst_mpdparser_parse_representation_base_type (&new_subrep->RepresentationBase, a_node);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_segment_url_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstSegmentURLNode *new_segment_url;
|
|
|
|
|
|
|
|
new_segment_url = g_slice_new0 (GstSegmentURLNode);
|
|
|
|
if (new_segment_url == NULL) {
|
|
|
|
GST_WARNING ("Allocation of SegmentURL node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_segment_url);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of SegmentURL node:");
|
|
|
|
new_segment_url->media =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "media");
|
|
|
|
new_segment_url->mediaRange =
|
|
|
|
gst_mpdparser_get_xml_prop_range (a_node, "mediaRange");
|
|
|
|
new_segment_url->index =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "index");
|
|
|
|
new_segment_url->indexRange =
|
|
|
|
gst_mpdparser_get_xml_prop_range (a_node, "indexRange");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_url_type_node (GstURLType ** pointer, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstURLType *new_url_type;
|
|
|
|
|
|
|
|
gst_mpdparser_free_url_type_node (*pointer);
|
|
|
|
*pointer = new_url_type = g_slice_new0 (GstURLType);
|
|
|
|
if (new_url_type == NULL) {
|
|
|
|
GST_WARNING ("Allocation of URLType node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("attributes of URLType node:");
|
|
|
|
new_url_type->sourceURL =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "sourceURL");
|
|
|
|
new_url_type->range =
|
|
|
|
gst_mpdparser_get_xml_prop_range (a_node, "range");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_seg_base_type_ext (GstSegmentBaseType ** pointer, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstSegmentBaseType *seg_base_type;
|
|
|
|
|
|
|
|
gst_mpdparser_free_seg_base_type_ext (*pointer);
|
|
|
|
*pointer = seg_base_type = g_slice_new0 (GstSegmentBaseType);
|
|
|
|
if (seg_base_type == NULL) {
|
|
|
|
GST_WARNING ("Allocation of SegmentBaseType node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("attributes of SegmentBaseType extension:");
|
|
|
|
seg_base_type->timescale =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "timescale",
|
|
|
|
0);
|
|
|
|
seg_base_type->presentationTimeOffset =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node,
|
|
|
|
"presentationTimeOffset", 0);
|
|
|
|
seg_base_type->indexRange =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "indexRange");
|
|
|
|
seg_base_type->indexRangeExact =
|
|
|
|
gst_mpdparser_get_xml_prop_boolean (a_node, "indexRangeExact");
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "Initialization") == 0 ||
|
|
|
|
xmlStrcmp (cur_node->name, (xmlChar *) "Initialisation") == 0) {
|
|
|
|
gst_mpdparser_parse_url_type_node (&seg_base_type->Initialization, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "RepresentationIndex") == 0) {
|
|
|
|
gst_mpdparser_parse_url_type_node (&seg_base_type->RepresentationIndex, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_s_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstSNode *new_s_node;
|
|
|
|
|
|
|
|
new_s_node = g_slice_new0 (GstSNode);
|
|
|
|
if (new_s_node == NULL) {
|
|
|
|
GST_WARNING ("Allocation of S node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_s_node);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of S node:");
|
|
|
|
new_s_node->t =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "t", 0);
|
|
|
|
new_s_node->d =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "d", 0);
|
|
|
|
new_s_node->r =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "r", 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_segment_timeline_node (GstSegmentTimelineNode ** pointer, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstSegmentTimelineNode *new_seg_timeline;
|
|
|
|
|
|
|
|
gst_mpdparser_free_segment_timeline_node (*pointer);
|
|
|
|
*pointer = new_seg_timeline = g_slice_new0 (GstSegmentTimelineNode);
|
|
|
|
if (new_seg_timeline == NULL) {
|
|
|
|
GST_WARNING ("Allocation of SegmentTimeline node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "S") == 0) {
|
|
|
|
gst_mpdparser_parse_s_node (&new_seg_timeline->S, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_mult_seg_base_type_ext (GstMultSegmentBaseType ** pointer, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstMultSegmentBaseType *mult_seg_base_type;
|
|
|
|
|
|
|
|
gst_mpdparser_free_mult_seg_base_type_ext (*pointer);
|
|
|
|
*pointer = mult_seg_base_type = g_slice_new0 (GstMultSegmentBaseType);
|
|
|
|
if (mult_seg_base_type == NULL) {
|
|
|
|
GST_WARNING ("Allocation of MultipleSegmentBaseType node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("attributes of MultipleSegmentBaseType extension:");
|
|
|
|
mult_seg_base_type->duration =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "duration", 0);
|
|
|
|
mult_seg_base_type->startNumber =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "startNumber", 1);
|
|
|
|
|
|
|
|
GST_LOG ("extension of MultipleSegmentBaseType extension:");
|
|
|
|
gst_mpdparser_parse_seg_base_type_ext (&mult_seg_base_type->SegBaseType, a_node);
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentTimeline") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_timeline_node (&mult_seg_base_type->SegmentTimeline, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "BitstreamSwitching") == 0) {
|
|
|
|
gst_mpdparser_parse_url_type_node (&mult_seg_base_type->BitstreamSwitching, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2012-10-08 09:16:09 +00:00
|
|
|
gst_mpdparser_parse_segment_list_node (GstSegmentListNode ** pointer, xmlNode * a_node)
|
2013-05-08 14:13:32 +00:00
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstSegmentListNode *new_segment_list;
|
|
|
|
|
2012-10-08 09:16:09 +00:00
|
|
|
gst_mpdparser_free_segment_list_node (*pointer);
|
|
|
|
*pointer = new_segment_list = g_slice_new0 (GstSegmentListNode);
|
2013-05-08 14:13:32 +00:00
|
|
|
if (new_segment_list == NULL) {
|
|
|
|
GST_WARNING ("Allocation of SegmentList node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("extension of SegmentList node:");
|
|
|
|
gst_mpdparser_parse_mult_seg_base_type_ext (&new_segment_list->MultSegBaseType, a_node);
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentURL") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_url_node (&new_segment_list->SegmentURL, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_representation_base_type (GstRepresentationBaseType ** pointer, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstRepresentationBaseType *representation_base;
|
|
|
|
|
|
|
|
gst_mpdparser_free_representation_base_type (*pointer);
|
|
|
|
*pointer = representation_base = g_slice_new0 (GstRepresentationBaseType);
|
|
|
|
if (representation_base == NULL) {
|
|
|
|
GST_WARNING ("Allocation of RepresentationBaseType node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("attributes of RepresentationBaseType extension:");
|
|
|
|
representation_base->profiles =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "profiles");
|
|
|
|
representation_base->width =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "width", 0);
|
|
|
|
representation_base->height =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "height",
|
|
|
|
0);
|
|
|
|
representation_base->sar =
|
|
|
|
gst_mpdparser_get_xml_prop_ratio (a_node, "sar");
|
|
|
|
representation_base->frameRate =
|
|
|
|
gst_mpdparser_get_xml_prop_framerate (a_node, "frameRate");
|
|
|
|
representation_base->audioSamplingRate =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "audioSamplingRate");
|
|
|
|
representation_base->mimeType =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "mimeType");
|
|
|
|
representation_base->segmentProfiles =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "segmentProfiles");
|
|
|
|
representation_base->codecs =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "codecs");
|
|
|
|
representation_base->maximumSAPPeriod =
|
|
|
|
gst_mpdparser_get_xml_prop_double (a_node, "maximumSAPPeriod");
|
|
|
|
representation_base->startWithSAP =
|
|
|
|
gst_mpdparser_get_xml_prop_SAP_type (a_node, "startWithSAP");
|
|
|
|
representation_base->maxPlayoutRate =
|
|
|
|
gst_mpdparser_get_xml_prop_double (a_node, "maxPlayoutRate");
|
|
|
|
representation_base->codingDependency =
|
|
|
|
gst_mpdparser_get_xml_prop_boolean (a_node, "codingDependency");
|
|
|
|
representation_base->scanType =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "scanType");
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "FramePacking") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&representation_base->FramePacking, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "AudioChannelConfiguration") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&representation_base->AudioChannelConfiguration, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "ContentProtection") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&representation_base->ContentProtection, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_representation_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstRepresentationNode *new_representation;
|
|
|
|
|
|
|
|
new_representation = g_slice_new0 (GstRepresentationNode);
|
|
|
|
if (new_representation == NULL) {
|
|
|
|
GST_WARNING ("Allocation of Representation node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_representation);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of Representation node:");
|
|
|
|
new_representation->id =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "id");
|
|
|
|
new_representation->bandwidth =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "bandwidth",
|
|
|
|
0);
|
|
|
|
new_representation->qualityRanking =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node,
|
|
|
|
"qualityRanking", 0);
|
|
|
|
new_representation->dependencyId =
|
|
|
|
gst_mpdparser_get_xml_prop_string_vector_type (a_node, "dependencyId");
|
|
|
|
new_representation->mediaStreamStructureId =
|
|
|
|
gst_mpdparser_get_xml_prop_string_vector_type (a_node,
|
|
|
|
"mediaStreamStructureId");
|
|
|
|
|
|
|
|
/* RepresentationBase extension */
|
|
|
|
gst_mpdparser_parse_representation_base_type (&new_representation->RepresentationBase, a_node);
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentBase") == 0) {
|
|
|
|
gst_mpdparser_parse_seg_base_type_ext (&new_representation->SegmentBase, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentTemplate") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_template_node (&new_representation->SegmentTemplate, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentList") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_list_node (&new_representation->SegmentList, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "BaseURL") == 0) {
|
|
|
|
gst_mpdparser_parse_baseURL_node (&new_representation->BaseURLs, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "SubRepresentation") == 0) {
|
|
|
|
gst_mpdparser_parse_subrepresentation_node (&new_representation->SubRepresentations, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_adaptation_set_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstAdaptationSetNode *new_adap_set;
|
|
|
|
|
|
|
|
new_adap_set = g_slice_new0 (GstAdaptationSetNode);
|
|
|
|
if (new_adap_set == NULL) {
|
|
|
|
GST_WARNING ("Allocation of AdaptationSet node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_adap_set);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of AdaptationSet node:");
|
|
|
|
new_adap_set->id =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "id", 0);
|
|
|
|
new_adap_set->group =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "group", 0);
|
|
|
|
new_adap_set->lang =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "lang");
|
|
|
|
new_adap_set->contentType =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "contentType");
|
|
|
|
new_adap_set->par = gst_mpdparser_get_xml_prop_ratio (a_node, "par");
|
|
|
|
new_adap_set->minBandwidth =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node,
|
|
|
|
"minBandwidth", 0);
|
|
|
|
new_adap_set->maxBandwidth =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node,
|
|
|
|
"maxBandwidth", 0);
|
|
|
|
new_adap_set->minWidth =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "minWidth",
|
|
|
|
0);
|
|
|
|
new_adap_set->maxWidth =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "maxWidth",
|
|
|
|
0);
|
|
|
|
new_adap_set->minHeight =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "minHeight",
|
|
|
|
0);
|
|
|
|
new_adap_set->maxHeight =
|
|
|
|
gst_mpdparser_get_xml_prop_unsigned_integer (a_node, "maxHeight",
|
|
|
|
0);
|
|
|
|
new_adap_set->minFrameRate =
|
|
|
|
gst_mpdparser_get_xml_prop_framerate (a_node, "minFrameRate");
|
|
|
|
new_adap_set->maxFrameRate =
|
|
|
|
gst_mpdparser_get_xml_prop_framerate (a_node, "maxFrameRate");
|
|
|
|
new_adap_set->segmentAlignment =
|
|
|
|
gst_mpdparser_get_xml_prop_cond_uint (a_node, "segmentAlignment");
|
|
|
|
new_adap_set->subsegmentAlignment =
|
|
|
|
gst_mpdparser_get_xml_prop_cond_uint (a_node, "subsegmentAlignment");
|
|
|
|
new_adap_set->subsegmentStartsWithSAP =
|
|
|
|
gst_mpdparser_get_xml_prop_SAP_type (a_node, "subsegmentStartsWithSAP");
|
|
|
|
new_adap_set->bitstreamSwitching =
|
|
|
|
gst_mpdparser_get_xml_prop_boolean (a_node, "bitstreamSwitching");
|
|
|
|
|
|
|
|
/* RepresentationBase extension */
|
|
|
|
gst_mpdparser_parse_representation_base_type (&new_adap_set->RepresentationBase, a_node);
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
2012-10-08 09:47:45 +00:00
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "Accessibility") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_adap_set->Accessibility, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Role") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_adap_set->Role, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Rating") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_adap_set->Rating, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Viewpoint") == 0) {
|
|
|
|
gst_mpdparser_parse_descriptor_type_node (&new_adap_set->Viewpoint, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Representation") == 0) {
|
2013-05-08 14:13:32 +00:00
|
|
|
gst_mpdparser_parse_representation_node (&new_adap_set->Representations, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "BaseURL") == 0) {
|
|
|
|
gst_mpdparser_parse_baseURL_node (&new_adap_set->BaseURLs, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentBase") == 0) {
|
|
|
|
gst_mpdparser_parse_seg_base_type_ext (&new_adap_set->SegmentBase, cur_node);
|
2012-10-08 09:16:09 +00:00
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentList") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_list_node (&new_adap_set->SegmentList, cur_node);
|
2013-05-08 14:13:32 +00:00
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "ContentComponent") == 0) {
|
|
|
|
gst_mpdparser_parse_content_component_node (&new_adap_set->ContentComponents, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "SegmentTemplate") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_template_node (&new_adap_set->SegmentTemplate, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_subset_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstSubsetNode *new_subset;
|
|
|
|
|
|
|
|
new_subset = g_slice_new0 (GstSubsetNode);
|
|
|
|
if (new_subset == NULL) {
|
|
|
|
GST_WARNING ("Allocation of Subset node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_subset);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of Subset node:");
|
|
|
|
new_subset->contains =
|
|
|
|
gst_mpdparser_get_xml_prop_uint_vector_type (a_node, "contains", &new_subset->size);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_segment_template_node (GstSegmentTemplateNode ** pointer, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstSegmentTemplateNode *new_segment_template;
|
|
|
|
|
|
|
|
gst_mpdparser_free_segment_template_node (*pointer);
|
|
|
|
*pointer = new_segment_template = g_slice_new0 (GstSegmentTemplateNode);
|
|
|
|
if (new_segment_template == NULL) {
|
|
|
|
GST_WARNING ("Allocation of SegmentTemplate node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("extension of SegmentTemplate node:");
|
|
|
|
gst_mpdparser_parse_mult_seg_base_type_ext (&new_segment_template->MultSegBaseType, a_node);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of SegmentTemplate node:");
|
|
|
|
new_segment_template->media = gst_mpdparser_get_xml_prop_string (a_node, "media");
|
|
|
|
new_segment_template->index = gst_mpdparser_get_xml_prop_string (a_node, "index");
|
|
|
|
new_segment_template->initialization = gst_mpdparser_get_xml_prop_string (a_node, "initialization");
|
|
|
|
new_segment_template->bitstreamSwitching = gst_mpdparser_get_xml_prop_string (a_node, "bitstreamSwitching");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_period_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstPeriodNode *new_period;
|
|
|
|
|
|
|
|
new_period = g_slice_new0 (GstPeriodNode);
|
|
|
|
if (new_period == NULL) {
|
|
|
|
GST_WARNING ("Allocation of Period node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_period);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of Period node:");
|
|
|
|
new_period->id = gst_mpdparser_get_xml_prop_string (a_node, "id");
|
|
|
|
new_period->start =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node, "start");
|
|
|
|
new_period->duration =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node, "duration");
|
|
|
|
new_period->bitstreamSwitching =
|
|
|
|
gst_mpdparser_get_xml_prop_boolean (a_node, "bitstreamSwitching");
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
2012-10-08 09:16:09 +00:00
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "AdaptationSet") == 0) {
|
2013-05-08 14:13:32 +00:00
|
|
|
gst_mpdparser_parse_adaptation_set_node (&new_period->AdaptationSets, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "SegmentBase") == 0) {
|
|
|
|
gst_mpdparser_parse_seg_base_type_ext (&new_period->SegmentBase, cur_node);
|
2012-10-08 09:16:09 +00:00
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "SegmentList") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_list_node (&new_period->SegmentList, cur_node);
|
2013-05-08 14:13:32 +00:00
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "SegmentTemplate") == 0) {
|
|
|
|
gst_mpdparser_parse_segment_template_node (&new_period->SegmentTemplate, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Subset") == 0) {
|
|
|
|
gst_mpdparser_parse_subset_node (&new_period->Subsets, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "BaseURL") == 0) {
|
|
|
|
gst_mpdparser_parse_baseURL_node (&new_period->BaseURLs, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2012-10-08 09:30:40 +00:00
|
|
|
gst_mpdparser_parse_program_info_node (GList ** list, xmlNode * a_node)
|
2013-05-08 14:13:32 +00:00
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstProgramInformationNode *new_prog_info;
|
|
|
|
|
2012-10-08 09:30:40 +00:00
|
|
|
new_prog_info = g_slice_new0 (GstProgramInformationNode);
|
2013-05-08 14:13:32 +00:00
|
|
|
if (new_prog_info == NULL) {
|
|
|
|
GST_WARNING ("Allocation of ProgramInfo node failed!");
|
|
|
|
return;
|
|
|
|
}
|
2012-10-08 09:30:40 +00:00
|
|
|
*list = g_list_append (*list, new_prog_info);
|
2013-05-08 14:13:32 +00:00
|
|
|
|
|
|
|
GST_LOG ("attributes of ProgramInformation node:");
|
2012-10-08 13:26:48 +00:00
|
|
|
new_prog_info->lang =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "lang");
|
2013-05-08 14:13:32 +00:00
|
|
|
new_prog_info->moreInformationURL =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "moreInformationURL");
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
GST_LOG ("children of ProgramInformation node:");
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "Title") == 0) {
|
|
|
|
new_prog_info->Title =
|
|
|
|
gst_mpdparser_get_xml_node_content (cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Source") == 0) {
|
|
|
|
new_prog_info->Source =
|
|
|
|
gst_mpdparser_get_xml_node_content (cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Copyright") == 0) {
|
|
|
|
new_prog_info->Copyright =
|
|
|
|
gst_mpdparser_get_xml_node_content (cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_metrics_range_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
GstMetricsRangeNode *new_metrics_range;
|
|
|
|
|
|
|
|
new_metrics_range = g_slice_new0 (GstMetricsRangeNode);
|
|
|
|
if (new_metrics_range == NULL) {
|
|
|
|
GST_WARNING ("Allocation of Metrics Range node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_metrics_range);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of Metrics Range node:");
|
|
|
|
new_metrics_range->starttime =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node, "starttime");
|
|
|
|
new_metrics_range->duration =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node, "duration");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_metrics_node (GList ** list, xmlNode * a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstMetricsNode *new_metrics;
|
|
|
|
|
|
|
|
new_metrics = g_slice_new0 (GstMetricsNode);
|
|
|
|
if (new_metrics == NULL) {
|
|
|
|
GST_WARNING ("Allocation of Metrics node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
*list = g_list_append (*list, new_metrics);
|
|
|
|
|
|
|
|
GST_LOG ("attributes of Metrics node:");
|
|
|
|
new_metrics->metrics =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "metrics");
|
|
|
|
|
|
|
|
/* explore children nodes */
|
|
|
|
GST_LOG ("children of Metrics node:");
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "Range") == 0) {
|
|
|
|
gst_mpdparser_parse_metrics_range_node (&new_metrics->MetricsRanges, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Reporting") == 0) {
|
|
|
|
/* No reporting scheme is specified in this part of ISO/IEC 23009.
|
|
|
|
* It is expected that external specifications may define formats
|
|
|
|
* and delivery for the reporting data. */
|
|
|
|
GST_LOG (" - Reporting node found (unknown structure)");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_parse_root_node (GstMpdClient * client, xmlNode *a_node)
|
|
|
|
{
|
|
|
|
xmlNode *cur_node;
|
|
|
|
GstMPDNode *new_mpd;
|
|
|
|
|
|
|
|
gst_mpdparser_free_mpd_node (client->mpd_node);
|
|
|
|
client->mpd_node = new_mpd = g_slice_new0 (GstMPDNode);
|
|
|
|
if (new_mpd == NULL) {
|
|
|
|
GST_WARNING ("Allocation of MPD node failed!");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("namespaces of root MPD node:");
|
|
|
|
new_mpd->default_namespace =
|
|
|
|
gst_mpdparser_get_xml_node_namespace (a_node, NULL);
|
|
|
|
new_mpd->namespace_xsi =
|
|
|
|
gst_mpdparser_get_xml_node_namespace (a_node, "xsi");
|
|
|
|
new_mpd->namespace_ext =
|
|
|
|
gst_mpdparser_get_xml_node_namespace (a_node, "ext");
|
|
|
|
|
|
|
|
GST_LOG ("attributes of root MPD node:");
|
|
|
|
new_mpd->schemaLocation =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "schemaLocation");
|
|
|
|
new_mpd->id = gst_mpdparser_get_xml_prop_string (a_node, "id");
|
|
|
|
new_mpd->profiles =
|
|
|
|
gst_mpdparser_get_xml_prop_string (a_node, "profiles");
|
|
|
|
new_mpd->type = gst_mpdparser_get_xml_prop_type (a_node, "type");
|
|
|
|
new_mpd->availabilityStartTime =
|
|
|
|
gst_mpdparser_get_xml_prop_dateTime (a_node, "availabilityStartTime");
|
|
|
|
new_mpd->availabilityEndTime =
|
|
|
|
gst_mpdparser_get_xml_prop_dateTime (a_node, "availabilityEndTime");
|
|
|
|
new_mpd->mediaPresentationDuration =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node,
|
|
|
|
"mediaPresentationDuration");
|
|
|
|
new_mpd->minimumUpdatePeriod =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node,
|
|
|
|
"minimumUpdatePeriod");
|
|
|
|
new_mpd->minBufferTime =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node, "minBufferTime");
|
|
|
|
new_mpd->timeShiftBufferDepth =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node,
|
|
|
|
"timeShiftBufferDepth");
|
|
|
|
new_mpd->suggestedPresentationDelay =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node,
|
|
|
|
"suggestedPresentationDelay");
|
|
|
|
new_mpd->maxSegmentDuration =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node,
|
|
|
|
"maxSegmentDuration");
|
|
|
|
new_mpd->maxSubsegmentDuration =
|
|
|
|
gst_mpdparser_get_xml_prop_duration (a_node,
|
|
|
|
"maxSubsegmentDuration");
|
|
|
|
|
|
|
|
/* explore children Period nodes */
|
|
|
|
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
|
|
|
|
if (cur_node->type == XML_ELEMENT_NODE) {
|
|
|
|
if (xmlStrcmp (cur_node->name, (xmlChar *) "Period") == 0) {
|
|
|
|
gst_mpdparser_parse_period_node (&new_mpd->Periods, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name,
|
|
|
|
(xmlChar *) "ProgramInformation") == 0) {
|
|
|
|
gst_mpdparser_parse_program_info_node (&new_mpd->ProgramInfo, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "BaseURL") == 0) {
|
|
|
|
gst_mpdparser_parse_baseURL_node (&new_mpd->BaseURLs, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Location") == 0) {
|
|
|
|
gst_mpdparser_parse_location_node (&new_mpd->Locations, cur_node);
|
|
|
|
} else if (xmlStrcmp (cur_node->name, (xmlChar *) "Metrics") == 0) {
|
|
|
|
gst_mpdparser_parse_metrics_node (&new_mpd->Metrics, cur_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* comparison functions */
|
|
|
|
static int
|
|
|
|
strncmp_ext (const char *s1, const char *s2)
|
|
|
|
{
|
|
|
|
if (s1 == NULL && s2 == NULL)
|
|
|
|
return 0;
|
|
|
|
if (s1 == NULL && s2 != NULL)
|
|
|
|
return 1;
|
|
|
|
if (s2 == NULL && s1 != NULL)
|
|
|
|
return 1;
|
|
|
|
return strncmp (s1, s2, strlen (s2));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* navigation functions */
|
|
|
|
static GstPeriodNode *
|
|
|
|
gst_mpdparser_get_next_period (GList * Periods, GstPeriodNode * prev_period)
|
|
|
|
{
|
|
|
|
GList *list = NULL;
|
|
|
|
|
|
|
|
if (Periods == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
if (prev_period == NULL) {
|
|
|
|
/* return the first period in the list */
|
|
|
|
list = g_list_first (Periods);
|
|
|
|
} else {
|
|
|
|
/* found prev_period in the list */
|
|
|
|
list = g_list_find (Periods, prev_period);
|
|
|
|
/* next period */
|
|
|
|
list = g_list_next (list);
|
|
|
|
}
|
|
|
|
|
|
|
|
return list ? (GstPeriodNode *) list->data : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstAdaptationSetNode *
|
|
|
|
gst_mpdparser_get_first_adapt_set (GList * AdaptationSets)
|
|
|
|
{
|
|
|
|
GList *list = NULL;
|
|
|
|
|
|
|
|
if (AdaptationSets == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
list = g_list_first (AdaptationSets);
|
|
|
|
|
|
|
|
return list ? (GstAdaptationSetNode *) list->data : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstAdaptationSetNode *
|
|
|
|
gst_mpdparser_get_first_adapt_set_with_mimeType (GList * AdaptationSets,
|
|
|
|
const gchar * mimeType)
|
|
|
|
{
|
|
|
|
GList *list;
|
|
|
|
GstAdaptationSetNode *adapt_set;
|
|
|
|
|
|
|
|
if (AdaptationSets == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
for (list = g_list_first (AdaptationSets); list; list = g_list_next (list)) {
|
|
|
|
adapt_set = (GstAdaptationSetNode *) list->data;
|
|
|
|
if (adapt_set) {
|
|
|
|
gchar *this_mimeType = NULL;
|
|
|
|
GstRepresentationNode *rep;
|
|
|
|
rep =
|
|
|
|
gst_mpdparser_get_lowest_representation (adapt_set->Representations);
|
|
|
|
if (rep->RepresentationBase)
|
|
|
|
this_mimeType = rep->RepresentationBase->mimeType;
|
|
|
|
if (!this_mimeType && adapt_set->RepresentationBase) {
|
|
|
|
this_mimeType = adapt_set->RepresentationBase->mimeType;
|
|
|
|
}
|
|
|
|
if (strncmp_ext (this_mimeType, mimeType) == 0)
|
|
|
|
return adapt_set;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* if idx < 0, returns the highest adaptation set with the given mimeType
|
|
|
|
* if idx >= 0, returns the highest adaptation set with the given mimeType and an index <= idx
|
|
|
|
*/
|
|
|
|
static GstAdaptationSetNode *
|
|
|
|
gst_mpdparser_get_adapt_set_with_mimeType_and_idx (GList * AdaptationSets,
|
|
|
|
const gchar * mimeType, gint idx)
|
|
|
|
{
|
|
|
|
GList *list;
|
|
|
|
GstAdaptationSetNode *adapt_set, *selected = NULL;
|
|
|
|
gint i = 0;
|
|
|
|
|
|
|
|
if (AdaptationSets == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
for (list = g_list_first (AdaptationSets); list; list = g_list_next (list)) {
|
|
|
|
adapt_set = (GstAdaptationSetNode *) list->data;
|
|
|
|
if (adapt_set) {
|
|
|
|
gchar *this_mimeType = NULL;
|
|
|
|
GstRepresentationNode *rep;
|
|
|
|
rep =
|
|
|
|
gst_mpdparser_get_lowest_representation (adapt_set->Representations);
|
|
|
|
if (rep->RepresentationBase)
|
|
|
|
this_mimeType = rep->RepresentationBase->mimeType;
|
|
|
|
if (!this_mimeType && adapt_set->RepresentationBase) {
|
|
|
|
this_mimeType = adapt_set->RepresentationBase->mimeType;
|
|
|
|
}
|
|
|
|
if (strncmp_ext (this_mimeType, mimeType) == 0) {
|
|
|
|
if (idx < 0 || i <= idx)
|
|
|
|
selected = adapt_set;
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return selected;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstAdaptationSetNode *
|
|
|
|
gst_mpdparser_get_first_adapt_set_with_mimeType_and_lang (GList *
|
|
|
|
AdaptationSets, const gchar * mimeType, const gchar * lang)
|
|
|
|
{
|
|
|
|
GList *list;
|
|
|
|
GstAdaptationSetNode *adapt_set;
|
|
|
|
|
|
|
|
if (AdaptationSets == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
for (list = g_list_first (AdaptationSets); list; list = g_list_next (list)) {
|
|
|
|
adapt_set = (GstAdaptationSetNode *) list->data;
|
|
|
|
if (adapt_set) {
|
|
|
|
GstRepresentationNode *rep;
|
|
|
|
gchar *this_lang = adapt_set->lang;
|
|
|
|
gchar *this_mimeType = NULL;
|
|
|
|
rep =
|
|
|
|
gst_mpdparser_get_lowest_representation (adapt_set->Representations);
|
|
|
|
if (rep->RepresentationBase)
|
|
|
|
this_mimeType = rep->RepresentationBase->mimeType;
|
|
|
|
if (!this_mimeType && adapt_set->RepresentationBase) {
|
|
|
|
this_mimeType = adapt_set->RepresentationBase->mimeType;
|
|
|
|
}
|
|
|
|
if (strncmp_ext (this_mimeType, mimeType) == 0
|
|
|
|
&& strncmp_ext (this_lang, lang) == 0)
|
|
|
|
return adapt_set;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstRepresentationNode *
|
|
|
|
gst_mpdparser_get_lowest_representation (GList * Representations)
|
|
|
|
{
|
|
|
|
GList *list = NULL;
|
|
|
|
|
|
|
|
if (Representations == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
list = g_list_first (Representations);
|
|
|
|
|
|
|
|
return list ? (GstRepresentationNode *) list->data : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
static GstRepresentationNode *
|
|
|
|
gst_mpdparser_get_highest_representation (GList * Representations)
|
|
|
|
{
|
|
|
|
GList *list = NULL;
|
|
|
|
|
|
|
|
if (Representations == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
list = g_list_last (Representations);
|
|
|
|
|
|
|
|
return list ? (GstRepresentationNode *) list->data : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstRepresentationNode *
|
|
|
|
gst_mpdparser_get_representation_with_max_bandwidth (GList * Representations,
|
|
|
|
gint max_bandwidth)
|
|
|
|
{
|
|
|
|
GList *list = NULL;
|
|
|
|
GstRepresentationNode *representation, *best_rep = NULL;
|
|
|
|
|
|
|
|
if (Representations == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
if (max_bandwidth <= 0) /* 0 => get highest representation available */
|
|
|
|
return gst_mpdparser_get_highest_representation (Representations);
|
|
|
|
|
|
|
|
for (list = g_list_first (Representations); list; list = g_list_next (list)) {
|
|
|
|
representation = (GstRepresentationNode *) list->data;
|
|
|
|
if (representation && representation->bandwidth <= max_bandwidth) {
|
|
|
|
best_rep = representation;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return best_rep;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static GstSegmentBaseType *
|
|
|
|
gst_mpdparser_get_segment_base (GstPeriodNode *Period,
|
|
|
|
GstAdaptationSetNode * AdaptationSet, GstRepresentationNode * Representation)
|
|
|
|
{
|
|
|
|
GstSegmentBaseType *SegmentBase = NULL;
|
|
|
|
|
2012-10-09 11:24:23 +00:00
|
|
|
if (Representation && Representation->SegmentBase && Representation->SegmentBase->Initialization) {
|
2013-05-08 14:13:32 +00:00
|
|
|
SegmentBase = Representation->SegmentBase;
|
2012-10-09 11:24:23 +00:00
|
|
|
} else if (AdaptationSet && AdaptationSet->SegmentBase && AdaptationSet->SegmentBase->Initialization) {
|
2013-05-08 14:13:32 +00:00
|
|
|
SegmentBase = AdaptationSet->SegmentBase;
|
2012-10-09 11:24:23 +00:00
|
|
|
} else if (Period && Period->SegmentBase && Period->SegmentBase->Initialization) {
|
2013-05-08 14:13:32 +00:00
|
|
|
SegmentBase = Period->SegmentBase;
|
|
|
|
}
|
2012-10-09 11:24:23 +00:00
|
|
|
/* the SegmentBase element could be encoded also inside a SegmentList element */
|
|
|
|
if (SegmentBase == NULL) {
|
|
|
|
if (Representation && Representation->SegmentList && Representation->SegmentList->MultSegBaseType &&
|
|
|
|
Representation->SegmentList->MultSegBaseType->SegBaseType &&
|
|
|
|
Representation->SegmentList->MultSegBaseType->SegBaseType->Initialization) {
|
|
|
|
SegmentBase = Representation->SegmentList->MultSegBaseType->SegBaseType;
|
|
|
|
} else if (AdaptationSet && AdaptationSet->SegmentList && AdaptationSet->SegmentList->MultSegBaseType &&
|
|
|
|
AdaptationSet->SegmentList->MultSegBaseType->SegBaseType &&
|
|
|
|
AdaptationSet->SegmentList->MultSegBaseType->SegBaseType->Initialization) {
|
|
|
|
SegmentBase = AdaptationSet->SegmentList->MultSegBaseType->SegBaseType;
|
|
|
|
} else if (Period && Period->SegmentList && Period->SegmentList->MultSegBaseType &&
|
|
|
|
Period->SegmentList->MultSegBaseType->SegBaseType &&
|
|
|
|
Period->SegmentList->MultSegBaseType->SegBaseType->Initialization) {
|
|
|
|
SegmentBase = Period->SegmentList->MultSegBaseType->SegBaseType;
|
|
|
|
}
|
|
|
|
}
|
2013-05-08 14:13:32 +00:00
|
|
|
|
|
|
|
return SegmentBase;
|
|
|
|
}
|
|
|
|
|
|
|
|
gint
|
|
|
|
gst_mpdparser_get_rep_idx_with_max_bandwidth (GList * Representations,
|
|
|
|
gint max_bandwidth)
|
|
|
|
{
|
|
|
|
GList *list = NULL, *best = NULL;
|
|
|
|
GstRepresentationNode *representation;
|
|
|
|
|
|
|
|
if (Representations == NULL)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
if (max_bandwidth <= 0) /* 0 => get lowest representation available */
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
for (list = g_list_first (Representations); list; list = g_list_next (list)) {
|
|
|
|
representation = (GstRepresentationNode *) list->data;
|
|
|
|
if (representation && representation->bandwidth <= max_bandwidth) {
|
|
|
|
best = list;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return best ? g_list_position (Representations, best) : -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstSegmentListNode *
|
2012-10-08 09:16:09 +00:00
|
|
|
gst_mpdparser_get_segment_list (GstPeriodNode *Period,
|
|
|
|
GstAdaptationSetNode * AdaptationSet, GstRepresentationNode * Representation)
|
2013-05-08 14:13:32 +00:00
|
|
|
{
|
2012-10-08 09:16:09 +00:00
|
|
|
GstSegmentListNode *SegmentList = NULL;
|
2013-05-08 14:13:32 +00:00
|
|
|
|
2012-10-09 11:24:23 +00:00
|
|
|
if (Representation && Representation->SegmentList) {
|
2012-10-08 09:16:09 +00:00
|
|
|
SegmentList = Representation->SegmentList;
|
2012-10-09 11:24:23 +00:00
|
|
|
} else if (AdaptationSet && AdaptationSet->SegmentList) {
|
2012-10-08 09:16:09 +00:00
|
|
|
SegmentList = AdaptationSet->SegmentList;
|
|
|
|
} else {
|
|
|
|
SegmentList = Period->SegmentList;
|
|
|
|
}
|
2013-05-08 14:13:32 +00:00
|
|
|
|
2012-10-08 09:16:09 +00:00
|
|
|
return SegmentList;
|
2013-05-08 14:13:32 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* memory management functions */
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_mpd_node (GstMPDNode * mpd_node)
|
|
|
|
{
|
|
|
|
if (mpd_node) {
|
|
|
|
g_free (mpd_node->default_namespace);
|
|
|
|
g_free (mpd_node->namespace_xsi);
|
|
|
|
g_free (mpd_node->namespace_ext);
|
|
|
|
g_free (mpd_node->schemaLocation);
|
|
|
|
g_free (mpd_node->id);
|
|
|
|
g_free (mpd_node->profiles);
|
|
|
|
if (mpd_node->availabilityStartTime)
|
|
|
|
gst_date_time_unref (mpd_node->availabilityStartTime);
|
|
|
|
if (mpd_node->availabilityEndTime)
|
|
|
|
gst_date_time_unref (mpd_node->availabilityEndTime);
|
2012-10-08 09:30:40 +00:00
|
|
|
g_list_foreach (mpd_node->ProgramInfo,
|
|
|
|
(GFunc) gst_mpdparser_free_prog_info_node, NULL);
|
|
|
|
g_list_free (mpd_node->ProgramInfo);
|
2013-05-08 14:13:32 +00:00
|
|
|
g_list_foreach (mpd_node->BaseURLs,
|
|
|
|
(GFunc) gst_mpdparser_free_base_url_node, NULL);
|
|
|
|
g_list_free (mpd_node->BaseURLs);
|
|
|
|
g_list_foreach (mpd_node->Locations, (GFunc) g_free, NULL);
|
|
|
|
g_list_free (mpd_node->Locations);
|
|
|
|
g_list_foreach (mpd_node->Periods, (GFunc) gst_mpdparser_free_period_node,
|
|
|
|
NULL);
|
|
|
|
g_list_free (mpd_node->Periods);
|
|
|
|
g_list_foreach (mpd_node->Metrics, (GFunc) gst_mpdparser_free_metrics_node,
|
|
|
|
NULL);
|
|
|
|
g_list_free (mpd_node->Metrics);
|
|
|
|
g_slice_free (GstMPDNode, mpd_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_prog_info_node (GstProgramInformationNode * prog_info_node)
|
|
|
|
{
|
|
|
|
if (prog_info_node) {
|
2012-10-08 13:26:48 +00:00
|
|
|
g_free (prog_info_node->lang);
|
2013-05-08 14:13:32 +00:00
|
|
|
g_free (prog_info_node->moreInformationURL);
|
|
|
|
g_free (prog_info_node->Title);
|
|
|
|
g_free (prog_info_node->Source);
|
|
|
|
g_free (prog_info_node->Copyright);
|
|
|
|
g_slice_free (GstProgramInformationNode, prog_info_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_metrics_node (GstMetricsNode * metrics_node)
|
|
|
|
{
|
|
|
|
if (metrics_node) {
|
|
|
|
g_free (metrics_node->metrics);
|
|
|
|
g_list_foreach (metrics_node->MetricsRanges,
|
|
|
|
(GFunc) gst_mpdparser_free_metrics_range_node, NULL);
|
|
|
|
g_list_free (metrics_node->MetricsRanges);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_metrics_range_node (GstMetricsRangeNode * metrics_range_node)
|
|
|
|
{
|
|
|
|
if (metrics_range_node) {
|
|
|
|
g_slice_free (GstMetricsRangeNode, metrics_range_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_period_node (GstPeriodNode * period_node)
|
|
|
|
{
|
|
|
|
if (period_node) {
|
|
|
|
g_free (period_node->id);
|
|
|
|
gst_mpdparser_free_seg_base_type_ext (period_node->SegmentBase);
|
2012-10-08 09:16:09 +00:00
|
|
|
gst_mpdparser_free_segment_list_node (period_node->SegmentList);
|
2013-05-08 14:13:32 +00:00
|
|
|
gst_mpdparser_free_segment_template_node (period_node->SegmentTemplate);
|
|
|
|
g_list_foreach (period_node->AdaptationSets,
|
|
|
|
(GFunc) gst_mpdparser_free_adaptation_set_node, NULL);
|
|
|
|
g_list_free (period_node->AdaptationSets);
|
|
|
|
g_list_foreach (period_node->Subsets,
|
|
|
|
(GFunc) gst_mpdparser_free_subset_node, NULL);
|
|
|
|
g_list_free (period_node->Subsets);
|
|
|
|
g_list_foreach (period_node->BaseURLs,
|
|
|
|
(GFunc) gst_mpdparser_free_base_url_node, NULL);
|
|
|
|
g_list_free (period_node->BaseURLs);
|
|
|
|
g_slice_free (GstPeriodNode, period_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_subset_node (GstSubsetNode * subset_node)
|
|
|
|
{
|
|
|
|
if (subset_node) {
|
|
|
|
g_free (subset_node->contains);
|
|
|
|
g_slice_free (GstSubsetNode, subset_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_segment_template_node (GstSegmentTemplateNode * segment_template_node)
|
|
|
|
{
|
|
|
|
if (segment_template_node) {
|
|
|
|
g_free (segment_template_node->media);
|
|
|
|
g_free (segment_template_node->index);
|
|
|
|
g_free (segment_template_node->initialization);
|
|
|
|
g_free (segment_template_node->bitstreamSwitching);
|
|
|
|
/* MultipleSegmentBaseType extension */
|
|
|
|
gst_mpdparser_free_mult_seg_base_type_ext
|
|
|
|
(segment_template_node->MultSegBaseType);
|
|
|
|
g_slice_free (GstSegmentTemplateNode, segment_template_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_representation_base_type (GstRepresentationBaseType *
|
|
|
|
representation_base)
|
|
|
|
{
|
|
|
|
if (representation_base) {
|
|
|
|
g_free (representation_base->profiles);
|
|
|
|
g_slice_free (GstRatio, representation_base->sar);
|
|
|
|
g_slice_free (GstFrameRate, representation_base->frameRate);
|
|
|
|
g_free (representation_base->audioSamplingRate);
|
|
|
|
g_free (representation_base->mimeType);
|
|
|
|
g_free (representation_base->segmentProfiles);
|
|
|
|
g_free (representation_base->codecs);
|
|
|
|
g_free (representation_base->scanType);
|
|
|
|
g_list_foreach (representation_base->FramePacking,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (representation_base->FramePacking);
|
|
|
|
g_list_foreach (representation_base->AudioChannelConfiguration,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (representation_base->AudioChannelConfiguration);
|
|
|
|
g_list_foreach (representation_base->ContentProtection,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (representation_base->ContentProtection);
|
|
|
|
g_slice_free (GstRepresentationBaseType, representation_base);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_adaptation_set_node (GstAdaptationSetNode *
|
|
|
|
adaptation_set_node)
|
|
|
|
{
|
|
|
|
if (adaptation_set_node) {
|
|
|
|
g_free (adaptation_set_node->lang);
|
|
|
|
g_free (adaptation_set_node->contentType);
|
|
|
|
g_slice_free (GstRatio, adaptation_set_node->par);
|
|
|
|
g_slice_free (GstFrameRate, adaptation_set_node->minFrameRate);
|
|
|
|
g_slice_free (GstFrameRate, adaptation_set_node->maxFrameRate);
|
|
|
|
g_slice_free (GstConditionalUintType,
|
|
|
|
adaptation_set_node->segmentAlignment);
|
|
|
|
g_slice_free (GstConditionalUintType,
|
|
|
|
adaptation_set_node->subsegmentAlignment);
|
2012-10-08 09:47:45 +00:00
|
|
|
g_list_foreach (adaptation_set_node->Accessibility,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (adaptation_set_node->Accessibility);
|
|
|
|
g_list_foreach (adaptation_set_node->Role,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (adaptation_set_node->Role);
|
|
|
|
g_list_foreach (adaptation_set_node->Rating,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (adaptation_set_node->Rating);
|
|
|
|
g_list_foreach (adaptation_set_node->Viewpoint,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (adaptation_set_node->Viewpoint);
|
2013-05-08 14:13:32 +00:00
|
|
|
gst_mpdparser_free_representation_base_type
|
|
|
|
(adaptation_set_node->RepresentationBase);
|
|
|
|
gst_mpdparser_free_seg_base_type_ext (adaptation_set_node->SegmentBase);
|
2012-10-08 09:16:09 +00:00
|
|
|
gst_mpdparser_free_segment_list_node (adaptation_set_node->SegmentList);
|
2013-05-08 14:13:32 +00:00
|
|
|
gst_mpdparser_free_segment_template_node (adaptation_set_node->SegmentTemplate);
|
|
|
|
g_list_foreach (adaptation_set_node->BaseURLs,
|
|
|
|
(GFunc) gst_mpdparser_free_base_url_node, NULL);
|
|
|
|
g_list_free (adaptation_set_node->BaseURLs);
|
|
|
|
g_list_foreach (adaptation_set_node->Representations,
|
|
|
|
(GFunc) gst_mpdparser_free_representation_node, NULL);
|
|
|
|
g_list_free (adaptation_set_node->Representations);
|
|
|
|
g_list_foreach (adaptation_set_node->ContentComponents,
|
|
|
|
(GFunc) gst_mpdparser_free_content_component_node, NULL);
|
|
|
|
g_list_free (adaptation_set_node->ContentComponents);
|
|
|
|
g_slice_free (GstAdaptationSetNode, adaptation_set_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_representation_node (GstRepresentationNode *
|
|
|
|
representation_node)
|
|
|
|
{
|
|
|
|
if (representation_node) {
|
|
|
|
g_free (representation_node->id);
|
|
|
|
g_strfreev (representation_node->dependencyId);
|
|
|
|
g_strfreev (representation_node->mediaStreamStructureId);
|
|
|
|
gst_mpdparser_free_representation_base_type
|
|
|
|
(representation_node->RepresentationBase);
|
|
|
|
g_list_foreach (representation_node->SubRepresentations,
|
|
|
|
(GFunc) gst_mpdparser_free_subrepresentation_node, NULL);
|
|
|
|
g_list_free (representation_node->SubRepresentations);
|
|
|
|
gst_mpdparser_free_seg_base_type_ext (representation_node->SegmentBase);
|
|
|
|
gst_mpdparser_free_segment_template_node (representation_node->SegmentTemplate);
|
2012-10-08 09:16:09 +00:00
|
|
|
gst_mpdparser_free_segment_list_node (representation_node->SegmentList);
|
2013-05-08 14:13:32 +00:00
|
|
|
g_list_foreach (representation_node->BaseURLs,
|
|
|
|
(GFunc) gst_mpdparser_free_base_url_node, NULL);
|
|
|
|
g_list_free (representation_node->BaseURLs);
|
|
|
|
g_slice_free (GstRepresentationNode, representation_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_subrepresentation_node (GstSubRepresentationNode * subrep_node)
|
|
|
|
{
|
|
|
|
if (subrep_node) {
|
|
|
|
gst_mpdparser_free_representation_base_type (subrep_node->RepresentationBase);
|
|
|
|
g_free (subrep_node->dependencyLevel);
|
|
|
|
g_strfreev (subrep_node->contentComponent);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_s_node (GstSNode * s_node)
|
|
|
|
{
|
|
|
|
if (s_node) {
|
|
|
|
g_slice_free (GstSNode, s_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_segment_timeline_node (GstSegmentTimelineNode * seg_timeline)
|
|
|
|
{
|
|
|
|
if (seg_timeline) {
|
|
|
|
g_list_foreach (seg_timeline->S, (GFunc) gst_mpdparser_free_s_node, NULL);
|
|
|
|
g_list_free (seg_timeline->S);
|
|
|
|
g_slice_free (GstSegmentTimelineNode, seg_timeline);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_url_type_node (GstURLType * url_type_node)
|
|
|
|
{
|
|
|
|
if (url_type_node) {
|
|
|
|
g_free (url_type_node->sourceURL);
|
|
|
|
g_slice_free (GstRange, url_type_node->range);
|
|
|
|
g_slice_free (GstURLType, url_type_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_seg_base_type_ext (GstSegmentBaseType * seg_base_type)
|
|
|
|
{
|
|
|
|
if (seg_base_type) {
|
|
|
|
g_free (seg_base_type->indexRange);
|
|
|
|
gst_mpdparser_free_url_type_node (seg_base_type->Initialization);
|
|
|
|
gst_mpdparser_free_url_type_node (seg_base_type->RepresentationIndex);
|
|
|
|
g_slice_free (GstSegmentBaseType, seg_base_type);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_mult_seg_base_type_ext (GstMultSegmentBaseType *
|
|
|
|
mult_seg_base_type)
|
|
|
|
{
|
|
|
|
if (mult_seg_base_type) {
|
|
|
|
/* SegmentBaseType extension */
|
|
|
|
gst_mpdparser_free_seg_base_type_ext (mult_seg_base_type->SegBaseType);
|
|
|
|
gst_mpdparser_free_segment_timeline_node
|
|
|
|
(mult_seg_base_type->SegmentTimeline);
|
|
|
|
gst_mpdparser_free_url_type_node (mult_seg_base_type->BitstreamSwitching);
|
|
|
|
g_slice_free (GstMultSegmentBaseType, mult_seg_base_type);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_segment_list_node (GstSegmentListNode * segment_list_node)
|
|
|
|
{
|
|
|
|
if (segment_list_node) {
|
|
|
|
g_list_foreach (segment_list_node->SegmentURL,
|
|
|
|
(GFunc) gst_mpdparser_free_segment_url_node, NULL);
|
|
|
|
g_list_free (segment_list_node->SegmentURL);
|
|
|
|
/* MultipleSegmentBaseType extension */
|
|
|
|
gst_mpdparser_free_mult_seg_base_type_ext
|
|
|
|
(segment_list_node->MultSegBaseType);
|
|
|
|
g_slice_free (GstSegmentListNode, segment_list_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_segment_url_node (GstSegmentURLNode * segment_url)
|
|
|
|
{
|
|
|
|
if (segment_url) {
|
|
|
|
g_free (segment_url->media);
|
|
|
|
g_slice_free (GstRange, segment_url->mediaRange);
|
|
|
|
g_free (segment_url->index);
|
|
|
|
g_slice_free (GstRange, segment_url->indexRange);
|
|
|
|
g_slice_free (GstSegmentURLNode, segment_url);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_base_url_node (GstBaseURL * base_url_node)
|
|
|
|
{
|
|
|
|
if (base_url_node) {
|
|
|
|
g_free (base_url_node->baseURL);
|
|
|
|
g_free (base_url_node->serviceLocation);
|
|
|
|
g_free (base_url_node->byteRange);
|
|
|
|
g_slice_free (GstBaseURL, base_url_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_descriptor_type_node (GstDescriptorType * descriptor_type)
|
|
|
|
{
|
|
|
|
if (descriptor_type) {
|
|
|
|
g_free (descriptor_type->schemeIdUri);
|
|
|
|
g_free (descriptor_type->value);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_content_component_node (GstContentComponentNode * content_component_node)
|
|
|
|
{
|
|
|
|
if (content_component_node) {
|
|
|
|
g_free (content_component_node->lang);
|
|
|
|
g_free (content_component_node->contentType);
|
|
|
|
g_slice_free (GstRatio, content_component_node->par);
|
|
|
|
g_list_foreach (content_component_node->Accessibility,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (content_component_node->Accessibility);
|
|
|
|
g_list_foreach (content_component_node->Role,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (content_component_node->Role);
|
|
|
|
g_list_foreach (content_component_node->Rating,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (content_component_node->Rating);
|
|
|
|
g_list_foreach (content_component_node->Viewpoint,
|
|
|
|
(GFunc) gst_mpdparser_free_descriptor_type_node, NULL);
|
|
|
|
g_list_free (content_component_node->Viewpoint);
|
|
|
|
g_slice_free (GstContentComponentNode, content_component_node);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_media_segment (GstMediaSegment * media_segment)
|
|
|
|
{
|
|
|
|
if (media_segment) {
|
|
|
|
g_slice_free (GstMediaSegment, media_segment);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_mpdparser_free_active_stream (GstActiveStream * active_stream)
|
|
|
|
{
|
|
|
|
if (active_stream) {
|
|
|
|
g_list_foreach (active_stream->segments,
|
|
|
|
(GFunc) gst_mpdparser_free_media_segment, NULL);
|
|
|
|
g_list_free (active_stream->segments);
|
|
|
|
g_slice_free (GstActiveStream, active_stream);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static gchar *
|
|
|
|
gst_mpdparser_get_mediaURL (GstSegmentURLNode *segmentURL)
|
|
|
|
{
|
|
|
|
gchar *mediaURL;
|
|
|
|
|
|
|
|
g_return_val_if_fail (segmentURL != NULL, NULL);
|
|
|
|
g_return_val_if_fail (segmentURL->media != NULL, NULL);
|
|
|
|
|
|
|
|
if (segmentURL->mediaRange) {
|
|
|
|
gchar *range;
|
|
|
|
range = g_strdup_printf ("?range=%llu-%llu", segmentURL->mediaRange->first_byte_pos, segmentURL->mediaRange->last_byte_pos);
|
|
|
|
mediaURL = g_strconcat (segmentURL->media, range, NULL);
|
|
|
|
g_free (range);
|
|
|
|
} else {
|
|
|
|
mediaURL = g_strdup (segmentURL->media);
|
|
|
|
}
|
|
|
|
|
|
|
|
return mediaURL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gchar *
|
|
|
|
gst_mpdparser_get_initializationURL (GstURLType *InitializationURL)
|
|
|
|
{
|
|
|
|
gchar *mediaURL;
|
|
|
|
|
|
|
|
g_return_val_if_fail (InitializationURL != NULL, NULL);
|
|
|
|
g_return_val_if_fail (InitializationURL->sourceURL != NULL, NULL);
|
|
|
|
|
|
|
|
if (InitializationURL->range) {
|
|
|
|
gchar *range;
|
|
|
|
range = g_strdup_printf ("?range=%llu-%llu", InitializationURL->range->first_byte_pos, InitializationURL->range->last_byte_pos);
|
|
|
|
mediaURL = g_strconcat (InitializationURL->sourceURL, range, NULL);
|
|
|
|
g_free (range);
|
|
|
|
} else {
|
|
|
|
mediaURL = g_strdup (InitializationURL->sourceURL);
|
|
|
|
}
|
|
|
|
|
|
|
|
return mediaURL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gchar *
|
|
|
|
gst_mpdparser_build_URL_from_template (const gchar *url_template,
|
|
|
|
const gchar *id, guint number, guint bandwidth, guint time)
|
|
|
|
{
|
|
|
|
static gchar default_format[] = "%01d";
|
|
|
|
gchar **tokens, *token, *ret, *format;
|
|
|
|
gint i, num_tokens;
|
|
|
|
|
|
|
|
g_return_val_if_fail (url_template != NULL, NULL);
|
|
|
|
tokens = g_strsplit_set (url_template, "$", -1);
|
|
|
|
if (!tokens) {
|
|
|
|
GST_WARNING ("Scan of URL template failed!");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
num_tokens = g_strv_length (tokens);
|
|
|
|
|
|
|
|
for (i = 0; i < num_tokens; i++) {
|
|
|
|
token = tokens[i];
|
|
|
|
format = default_format;
|
|
|
|
|
|
|
|
if (!g_strcmp0 (token, "RepresentationID")) {
|
|
|
|
tokens[i] = g_strdup_printf ("%s", id);
|
|
|
|
g_free (token);
|
|
|
|
} else if (!strncmp (token, "Number", 6)) {
|
|
|
|
if (strlen (token) > 6) {
|
|
|
|
format = token + 6; /* format tag */
|
|
|
|
}
|
|
|
|
tokens[i] = g_strdup_printf (format, number);
|
|
|
|
g_free (token);
|
|
|
|
} else if (!strncmp (token, "Bandwidth", 9)) {
|
|
|
|
if (strlen (token) > 9) {
|
|
|
|
format = token + 9; /* format tag */
|
|
|
|
}
|
|
|
|
tokens[i] = g_strdup_printf (format, bandwidth);
|
|
|
|
g_free (token);
|
|
|
|
} else if (!strncmp (token, "Time", 4)) {
|
|
|
|
if (strlen (token) > 4) {
|
|
|
|
format = token + 4; /* format tag */
|
|
|
|
}
|
|
|
|
tokens[i] = g_strdup_printf (format, time);
|
|
|
|
g_free (token);
|
|
|
|
} else if (!g_strcmp0 (token, "")) {
|
|
|
|
tokens[i] = g_strdup_printf ("%s", "$");
|
|
|
|
g_free (token);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = g_strjoinv (NULL, tokens);
|
|
|
|
g_strfreev (tokens);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* select a stream and extract the baseURL (if present) */
|
|
|
|
static gchar *
|
|
|
|
gst_mpdparser_parse_baseURL (GstMpdClient * client)
|
|
|
|
{
|
|
|
|
GstActiveStream *stream;
|
|
|
|
GstBaseURL *baseURL;
|
|
|
|
GList *list;
|
|
|
|
static gchar *baseURL_array[5];
|
|
|
|
static gchar empty[] = "";
|
|
|
|
gchar *ret = NULL;
|
|
|
|
|
|
|
|
/* select stream TODO: support multiple streams */
|
|
|
|
g_return_val_if_fail (client != NULL, empty);
|
|
|
|
g_return_val_if_fail (client->active_streams != NULL, empty);
|
|
|
|
stream = g_list_nth_data (client->active_streams, client->stream_idx);
|
|
|
|
g_return_val_if_fail (stream != NULL, empty);
|
|
|
|
|
|
|
|
baseURL_array[0] = baseURL_array[1] = baseURL_array[2] = baseURL_array[3] = empty;
|
|
|
|
baseURL_array[4] = NULL;
|
|
|
|
|
|
|
|
/* FIXME: this simple implementation is not fully compliant with RFC 3986 */
|
|
|
|
if ((list = client->mpd_node->BaseURLs) != NULL) {
|
|
|
|
baseURL = g_list_nth_data (list, stream->baseURL_idx);
|
|
|
|
if (!baseURL) {
|
|
|
|
baseURL = list->data;
|
|
|
|
}
|
|
|
|
baseURL_array[0] = baseURL->baseURL;
|
|
|
|
}
|
|
|
|
if ((list = client->cur_period->BaseURLs) != NULL) {
|
|
|
|
baseURL = g_list_nth_data (list, stream->baseURL_idx);
|
|
|
|
if (!baseURL) {
|
|
|
|
baseURL = list->data;
|
|
|
|
}
|
|
|
|
baseURL_array[1] = baseURL->baseURL;
|
|
|
|
}
|
|
|
|
if ((list = stream->cur_adapt_set->BaseURLs) != NULL) {
|
|
|
|
baseURL = g_list_nth_data (list, stream->baseURL_idx);
|
|
|
|
if (!baseURL) {
|
|
|
|
baseURL = list->data;
|
|
|
|
}
|
|
|
|
baseURL_array[2] = baseURL->baseURL;
|
|
|
|
}
|
|
|
|
if ((list = stream->cur_representation->BaseURLs) != NULL) {
|
|
|
|
baseURL = g_list_nth_data (list, stream->baseURL_idx);
|
|
|
|
if (!baseURL) {
|
|
|
|
baseURL = list->data;
|
|
|
|
}
|
|
|
|
baseURL_array[3] = baseURL->baseURL;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = g_strjoinv (NULL, baseURL_array);
|
|
|
|
/* get base URI from MPD file URI, if the "http" scheme is missing */
|
|
|
|
if (client->mpd_uri != NULL && strncmp (ret, "http://", 7) != 0) {
|
|
|
|
gchar *last_sep, *tmp1, *tmp2;
|
|
|
|
last_sep = strrchr (client->mpd_uri, '/');
|
|
|
|
if (last_sep) {
|
|
|
|
tmp1 = g_strndup (client->mpd_uri, last_sep - client->mpd_uri + 1);
|
|
|
|
tmp2 = ret;
|
|
|
|
GST_DEBUG ("Got base URI from MPD file URI %s", tmp1);
|
|
|
|
ret = g_strconcat (tmp1, tmp2, NULL);
|
|
|
|
g_free (tmp1);
|
|
|
|
g_free (tmp2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_DEBUG ("selected baseURL with index %d: %s", stream->baseURL_idx, ret);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*****************************/
|
|
|
|
/******* API functions *******/
|
|
|
|
/*****************************/
|
|
|
|
|
|
|
|
GstMpdClient *gst_mpd_client_new ()
|
|
|
|
{
|
|
|
|
GstMpdClient * client;
|
|
|
|
|
|
|
|
client = g_new0 (GstMpdClient, 1);
|
|
|
|
client->lock = g_mutex_new ();
|
|
|
|
|
|
|
|
return client;
|
|
|
|
}
|
|
|
|
|
|
|
|
void gst_mpd_client_free (GstMpdClient * client)
|
|
|
|
{
|
|
|
|
g_return_if_fail (client != NULL);
|
|
|
|
|
|
|
|
if (client->mpd_node)
|
|
|
|
gst_mpdparser_free_mpd_node (client->mpd_node);
|
|
|
|
|
|
|
|
if (client->active_streams) {
|
|
|
|
g_list_foreach (client->active_streams,
|
|
|
|
(GFunc) gst_mpdparser_free_active_stream, NULL);
|
|
|
|
g_list_free (client->active_streams);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (client->lock)
|
|
|
|
g_mutex_free (client->lock);
|
|
|
|
|
|
|
|
g_free (client->mpd_uri);
|
|
|
|
|
|
|
|
g_free (client);
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
gst_mpd_parse (GstMpdClient * client, const gchar * data, gint size)
|
|
|
|
{
|
|
|
|
if (data) {
|
|
|
|
xmlDocPtr doc;
|
|
|
|
xmlNode *root_element = NULL;
|
|
|
|
|
|
|
|
GST_DEBUG ("MPD file fully buffered, start parsing...");
|
|
|
|
|
|
|
|
/* parse the complete MPD file into a tree (using the libxml2 default parser API) */
|
|
|
|
|
|
|
|
/* this initialize the library and check potential ABI mismatches
|
|
|
|
* between the version it was compiled for and the actual shared
|
|
|
|
* library used
|
|
|
|
*/
|
|
|
|
LIBXML_TEST_VERSION
|
|
|
|
|
|
|
|
/* parse "data" into a document (which is a libxml2 tree structure xmlDoc) */
|
|
|
|
doc = xmlReadMemory (data, size, "noname.xml", NULL, 0);
|
|
|
|
if (doc == NULL) {
|
|
|
|
GST_ERROR ("failed to parse the MPD file");
|
|
|
|
return FALSE;
|
|
|
|
} else {
|
|
|
|
/* get the root element node */
|
|
|
|
root_element = xmlDocGetRootElement (doc);
|
|
|
|
|
|
|
|
if (root_element->type != XML_ELEMENT_NODE
|
|
|
|
|| xmlStrcmp (root_element->name, (xmlChar *) "MPD") != 0) {
|
|
|
|
GST_ERROR ("can not find the root element MPD, failed to parse the MPD file");
|
|
|
|
} else {
|
|
|
|
/* now we can parse the MPD root node and all children nodes, recursively */
|
|
|
|
gst_mpdparser_parse_root_node (client, root_element);
|
|
|
|
}
|
|
|
|
/* free the document */
|
|
|
|
xmlFreeDoc (doc);
|
|
|
|
/* cleanup function for the XML library */
|
|
|
|
xmlCleanupParser ();
|
|
|
|
/* dump XML library memory for debugging */
|
|
|
|
xmlMemoryDump ();
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
const gchar *
|
|
|
|
gst_mpdparser_get_baseURL (GstMpdClient * client)
|
|
|
|
{
|
|
|
|
GstActiveStream *stream;
|
|
|
|
|
|
|
|
g_return_val_if_fail (client != NULL, NULL);
|
|
|
|
g_return_val_if_fail (client->active_streams != NULL, NULL);
|
|
|
|
stream = g_list_nth_data (client->active_streams, client->stream_idx);
|
|
|
|
g_return_val_if_fail (stream != NULL, NULL);
|
|
|
|
|
|
|
|
return stream->baseURL;
|
|
|
|
}
|
|
|
|
|
|
|
|
GstMediaSegment *
|
|
|
|
gst_mpdparser_get_chunk_by_index (GstMpdClient * client, guint indexStream, guint indexChunk)
|
|
|
|
{
|
|
|
|
GstActiveStream *stream;
|
|
|
|
|
|
|
|
/* select stream */
|
|
|
|
g_return_val_if_fail (client != NULL, NULL);
|
|
|
|
g_return_val_if_fail (client->active_streams != NULL, NULL);
|
|
|
|
stream = g_list_nth_data (client->active_streams, indexStream);
|
|
|
|
g_return_val_if_fail (stream != NULL, NULL);
|
|
|
|
|
|
|
|
return (GstMediaSegment *) g_list_nth_data (stream->segments, indexChunk);
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
gst_mpd_client_setup_representation (GstMpdClient * client, GstActiveStream *stream, GstRepresentationNode *representation)
|
|
|
|
{
|
|
|
|
GList *rep_list;
|
|
|
|
GstMediaSegment *media_segment = NULL;
|
|
|
|
GstClockTime PeriodStart = 0, PeriodEnd, start_time, duration;
|
|
|
|
guint i;
|
|
|
|
|
2012-10-08 09:16:09 +00:00
|
|
|
if (stream->cur_adapt_set == NULL) {
|
|
|
|
GST_WARNING ("No valid AdaptationSet node in the MPD file, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
rep_list = stream->cur_adapt_set->Representations;
|
2013-05-08 14:13:32 +00:00
|
|
|
stream->cur_representation = representation;
|
|
|
|
stream->representation_idx = g_list_index (rep_list, representation);
|
|
|
|
|
|
|
|
/* clean the old segment list, if any */
|
|
|
|
if (stream->segments) {
|
|
|
|
g_list_foreach (stream->segments,
|
|
|
|
(GFunc) gst_mpdparser_free_media_segment, NULL);
|
|
|
|
g_list_free (stream->segments);
|
|
|
|
stream->segments = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (client->cur_period->start != -1) {
|
|
|
|
PeriodStart = client->cur_period->start * GST_MSECOND;
|
|
|
|
}
|
|
|
|
if (client->cur_period->duration != -1) {
|
|
|
|
PeriodEnd = client->cur_period->duration * GST_MSECOND;
|
|
|
|
} else {
|
|
|
|
GstPeriodNode *next_period_node = gst_mpdparser_get_next_period (client->mpd_node->Periods, client->cur_period);
|
|
|
|
if (next_period_node) {
|
|
|
|
PeriodEnd = next_period_node->start * GST_MSECOND;
|
|
|
|
} else {
|
|
|
|
PeriodEnd = client->mpd_node->mediaPresentationDuration * GST_MSECOND;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_LOG ("Building segment list for Period from %" GST_TIME_FORMAT " to %"
|
|
|
|
GST_TIME_FORMAT, GST_TIME_ARGS (PeriodStart), GST_TIME_ARGS (PeriodEnd));
|
|
|
|
|
2012-10-09 11:24:23 +00:00
|
|
|
if (representation->SegmentBase != NULL || representation->SegmentList != NULL) {
|
2013-05-08 14:13:32 +00:00
|
|
|
GList *SegmentURL;
|
|
|
|
|
|
|
|
/* get the first segment_base of the selected representation */
|
|
|
|
if ((stream->cur_segment_base =
|
|
|
|
gst_mpdparser_get_segment_base (client->cur_period, stream->cur_adapt_set, representation)) == NULL) {
|
2012-10-09 11:24:23 +00:00
|
|
|
GST_WARNING ("No valid SegmentBase node in the MPD file");
|
2013-05-08 14:13:32 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* get the first segment_list of the selected representation */
|
|
|
|
if ((stream->cur_segment_list =
|
2012-10-08 09:16:09 +00:00
|
|
|
gst_mpdparser_get_segment_list (client->cur_period, stream->cur_adapt_set, representation)) == NULL) {
|
2013-05-08 14:13:32 +00:00
|
|
|
GST_WARNING ("No valid SegmentList node in the MPD file, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* build the list of GstMediaSegment nodes from the SegmentList node */
|
|
|
|
SegmentURL = stream->cur_segment_list->SegmentURL;
|
|
|
|
if (SegmentURL == NULL) {
|
|
|
|
GST_WARNING ("No valid list of SegmentURL nodes in the MPD file, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* build segment list */
|
|
|
|
i = stream->cur_segment_list->MultSegBaseType->startNumber;
|
|
|
|
start_time = 0;
|
|
|
|
duration = gst_mpd_client_get_target_duration (client);
|
|
|
|
|
|
|
|
while (SegmentURL) {
|
|
|
|
media_segment = g_slice_new0 (GstMediaSegment);
|
|
|
|
if (media_segment == NULL) {
|
|
|
|
GST_WARNING ("Allocation of GstMediaSegment struct failed!");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
stream->segments = g_list_append (stream->segments, media_segment);
|
|
|
|
/* TODO: support SegmentTimeline */
|
|
|
|
media_segment->SegmentURL = (GstSegmentURLNode *) SegmentURL->data;
|
|
|
|
media_segment->number = i;
|
|
|
|
media_segment->start_time = start_time;
|
|
|
|
media_segment->duration = duration;
|
|
|
|
i++;
|
|
|
|
start_time += duration;
|
|
|
|
SegmentURL = g_list_next (SegmentURL);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (representation->SegmentTemplate != NULL) {
|
|
|
|
stream->cur_seg_template = representation->SegmentTemplate;
|
|
|
|
} else if (stream->cur_adapt_set->SegmentTemplate != NULL) {
|
|
|
|
stream->cur_seg_template = stream->cur_adapt_set->SegmentTemplate;
|
|
|
|
} else if (client->cur_period->SegmentTemplate != NULL) {
|
|
|
|
stream->cur_seg_template = client->cur_period->SegmentTemplate;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (stream->cur_seg_template == NULL || stream->cur_seg_template->MultSegBaseType == NULL) {
|
2012-10-08 14:59:21 +00:00
|
|
|
/* here we should have a single segment for each representation, whose URL is encoded in the baseURL element */
|
2013-05-08 14:13:32 +00:00
|
|
|
media_segment = g_slice_new0 (GstMediaSegment);
|
|
|
|
if (media_segment == NULL) {
|
|
|
|
GST_WARNING ("Allocation of GstMediaSegment struct failed!");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
stream->segments = g_list_append (stream->segments, media_segment);
|
2012-10-08 14:59:21 +00:00
|
|
|
media_segment->number = 1;
|
|
|
|
media_segment->start_time = 0;
|
|
|
|
media_segment->duration = PeriodEnd;
|
|
|
|
} else {
|
|
|
|
/* build segment list */
|
|
|
|
i = stream->cur_seg_template->MultSegBaseType->startNumber;
|
|
|
|
start_time = 0;
|
|
|
|
duration = gst_mpd_client_get_target_duration (client);
|
|
|
|
|
|
|
|
GST_LOG ("using template %s", stream->cur_seg_template->media);
|
|
|
|
while (PeriodStart + start_time < PeriodEnd) {
|
|
|
|
media_segment = g_slice_new0 (GstMediaSegment);
|
|
|
|
if (media_segment == NULL) {
|
|
|
|
GST_WARNING ("Allocation of GstMediaSegment struct failed!");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
stream->segments = g_list_append (stream->segments, media_segment);
|
|
|
|
/* TODO: support SegmentTimeline */
|
|
|
|
media_segment->number = i;
|
|
|
|
media_segment->start_time = start_time;
|
|
|
|
media_segment->duration = duration;
|
|
|
|
i++;
|
|
|
|
start_time += duration;
|
|
|
|
}
|
2013-05-08 14:13:32 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (media_segment) {
|
|
|
|
/* fix duration of last segment */
|
|
|
|
if (media_segment->start_time + media_segment->duration > PeriodEnd) {
|
|
|
|
media_segment->duration = PeriodEnd - media_segment->start_time;
|
|
|
|
GST_LOG ("Fixed duration of last segment: %" GST_TIME_FORMAT, GST_TIME_ARGS (media_segment->duration));
|
|
|
|
}
|
|
|
|
GST_LOG ("Built a list of %d segments", media_segment->number);
|
|
|
|
}
|
|
|
|
|
|
|
|
g_free (stream->baseURL);
|
|
|
|
stream->baseURL = gst_mpdparser_parse_baseURL (client);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
gst_mpd_client_setup_streaming (GstMpdClient * client,
|
2012-09-29 01:13:29 +00:00
|
|
|
GstStreamMimeType mimeType, gchar* lang)
|
2013-05-08 14:13:32 +00:00
|
|
|
{
|
|
|
|
GstActiveStream *stream;
|
|
|
|
GstAdaptationSetNode *adapt_set;
|
|
|
|
GstRepresentationNode *representation;
|
2012-10-08 09:16:09 +00:00
|
|
|
GList *rep_list = NULL;
|
2013-05-08 14:13:32 +00:00
|
|
|
|
|
|
|
/* select a new period */
|
|
|
|
if (!client->cur_period)
|
|
|
|
if ((client->cur_period =
|
|
|
|
gst_mpdparser_get_next_period (client->mpd_node->Periods, client->cur_period)) == NULL) {
|
|
|
|
GST_WARNING ("No valid Period node in the MPD file, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (mimeType) {
|
|
|
|
case GST_STREAM_VIDEO:
|
|
|
|
/* select the adaptation set for the video pipeline */
|
|
|
|
adapt_set =
|
|
|
|
gst_mpdparser_get_adapt_set_with_mimeType_and_idx (client->
|
|
|
|
cur_period->AdaptationSets, "video", 0);
|
|
|
|
/* if we found no 'video' adaptation set, just get the first one */
|
|
|
|
if (!adapt_set)
|
|
|
|
adapt_set =
|
|
|
|
gst_mpdparser_get_first_adapt_set (client->cur_period->
|
|
|
|
AdaptationSets);
|
2012-10-08 09:16:09 +00:00
|
|
|
if (!adapt_set) {
|
|
|
|
GST_INFO ("No adaptation set found, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
2013-05-08 14:13:32 +00:00
|
|
|
/* retrive the list of representations */
|
2012-10-08 09:16:09 +00:00
|
|
|
rep_list = adapt_set->Representations;
|
2013-05-08 14:13:32 +00:00
|
|
|
if (!rep_list) {
|
|
|
|
GST_WARNING ("Can not retrieve any representation, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GST_STREAM_AUDIO:
|
|
|
|
#if 0
|
|
|
|
if (g_strcmp0 (client->audio_lang, "none") == 0) {
|
|
|
|
GST_INFO ("Audio stream disabled");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
adapt_set =
|
|
|
|
gst_mpdparser_get_first_adapt_set_with_mimeType_and_lang (client->
|
2012-09-29 01:13:29 +00:00
|
|
|
cur_period->AdaptationSets, "audio", lang);
|
2013-05-08 14:13:32 +00:00
|
|
|
/* if we did not found the requested audio language, get the first one */
|
|
|
|
if (!adapt_set)
|
|
|
|
adapt_set =
|
|
|
|
gst_mpdparser_get_first_adapt_set_with_mimeType (client->
|
|
|
|
cur_period->AdaptationSets, "audio");
|
|
|
|
if (!adapt_set) {
|
2012-10-08 09:16:09 +00:00
|
|
|
GST_INFO ("No audio adaptation set found, aborting...");
|
2013-05-08 14:13:32 +00:00
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
rep_list = adapt_set->Representations;
|
|
|
|
if (!rep_list) {
|
|
|
|
GST_WARNING ("Can not retrieve any representation, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GST_STREAM_APPLICATION:
|
|
|
|
#if 0
|
|
|
|
if (g_strcmp0 (client->subtitle_lang, "none") == 0) {
|
|
|
|
GST_INFO ("Subtitles pipeline disabled");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
adapt_set =
|
|
|
|
gst_mpdparser_get_first_adapt_set_with_mimeType_and_lang (client->
|
2012-09-29 01:13:29 +00:00
|
|
|
cur_period->AdaptationSets, "application", lang);
|
2013-05-08 14:13:32 +00:00
|
|
|
/* if we did not found the requested subtitles language, get the first one */
|
|
|
|
if (!adapt_set)
|
|
|
|
adapt_set =
|
|
|
|
gst_mpdparser_get_first_adapt_set_with_mimeType (client->
|
|
|
|
cur_period->AdaptationSets, "application");
|
|
|
|
if (!adapt_set) {
|
2012-10-08 09:16:09 +00:00
|
|
|
GST_INFO ("No application adaptation set found, aborting...");
|
2013-05-08 14:13:32 +00:00
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
rep_list = adapt_set->Representations;
|
|
|
|
if (!rep_list) {
|
|
|
|
GST_WARNING ("Can not retrieve any representation, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
GST_WARNING ("Unsupported mimeType %d", mimeType);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
stream = g_slice_new0 (GstActiveStream);
|
|
|
|
if (stream == NULL) {
|
|
|
|
GST_WARNING ("Allocation of active stream struct failed!");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
client->active_streams = g_list_append (client->active_streams, stream);
|
|
|
|
|
|
|
|
stream->baseURL_idx = 0;
|
|
|
|
stream->mimeType = mimeType;
|
|
|
|
stream->representation_idx = 0;
|
|
|
|
stream->segment_idx = 0;
|
|
|
|
stream->cur_adapt_set = adapt_set;
|
|
|
|
|
|
|
|
/* retrive representation list */
|
|
|
|
if (stream->cur_adapt_set != NULL)
|
|
|
|
rep_list = stream->cur_adapt_set->Representations;
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
/* fast start */
|
|
|
|
representation =
|
|
|
|
gst_mpdparser_get_representation_with_max_bandwidth (rep_list,
|
|
|
|
stream->max_bandwidth);
|
|
|
|
|
|
|
|
if (!representation) {
|
|
|
|
GST_WARNING ("Can not retrieve a representation with the requested bandwidth");
|
|
|
|
representation =
|
|
|
|
gst_mpdparser_get_lowest_representation (rep_list);
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
/* slow start */
|
|
|
|
representation =
|
|
|
|
gst_mpdparser_get_lowest_representation (rep_list);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (!representation) {
|
|
|
|
GST_WARNING ("No valid representation in the MPD file, aborting...");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!gst_mpd_client_setup_representation (client, stream, representation))
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
GST_INFO ("Successfully setup the download pipeline for mimeType %d", mimeType);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
gst_mpd_client_get_next_fragment (GstMpdClient * client,
|
|
|
|
guint indexStream, gboolean *discontinuity, const gchar **uri,
|
|
|
|
GstClockTime *duration, GstClockTime *timestamp)
|
|
|
|
{
|
|
|
|
GstActiveStream *stream = NULL;
|
|
|
|
GstMediaSegment *currentChunk;
|
|
|
|
gchar *mediaURL = NULL;
|
|
|
|
|
|
|
|
/* select stream */
|
|
|
|
g_return_val_if_fail (client != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (client->active_streams != NULL, FALSE);
|
|
|
|
stream = g_list_nth_data (client->active_streams, indexStream);
|
|
|
|
g_return_val_if_fail (stream != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (stream->cur_representation != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (discontinuity != NULL, FALSE);
|
|
|
|
|
|
|
|
GST_MPD_CLIENT_LOCK (client);
|
|
|
|
GST_DEBUG ("Looking for fragment sequence chunk %d", stream->segment_idx);
|
|
|
|
|
|
|
|
currentChunk = gst_mpdparser_get_chunk_by_index (client, indexStream, stream->segment_idx);
|
|
|
|
if (currentChunk == NULL) {
|
|
|
|
GST_MPD_CLIENT_UNLOCK (client);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (currentChunk->SegmentURL != NULL) {
|
|
|
|
mediaURL = gst_mpdparser_get_mediaURL (currentChunk->SegmentURL);
|
|
|
|
} else if (stream->cur_seg_template != NULL) {
|
|
|
|
mediaURL = gst_mpdparser_build_URL_from_template (stream->cur_seg_template->media,
|
|
|
|
stream->cur_representation->id, currentChunk->number, stream->cur_representation->bandwidth, 0);
|
|
|
|
}
|
2012-10-08 14:59:21 +00:00
|
|
|
|
2013-05-08 14:13:32 +00:00
|
|
|
gst_mpd_client_get_current_position (client, timestamp);
|
|
|
|
*discontinuity = stream->segment_idx != currentChunk->number;
|
|
|
|
stream->segment_idx += 1;
|
2012-10-08 14:59:21 +00:00
|
|
|
if (mediaURL == NULL) {
|
|
|
|
/* single segment with URL encoded in the baseURL syntax element */
|
|
|
|
*uri = g_strdup (gst_mpdparser_get_baseURL (client));
|
|
|
|
} else if (strncmp (mediaURL, "http://", 7) != 0) {
|
2013-05-08 14:13:32 +00:00
|
|
|
*uri = g_strconcat (gst_mpdparser_get_baseURL (client), mediaURL, NULL);
|
|
|
|
g_free (mediaURL);
|
|
|
|
} else {
|
|
|
|
*uri = mediaURL;
|
|
|
|
}
|
|
|
|
*duration = gst_mpd_client_get_target_duration (client);
|
|
|
|
GST_MPD_CLIENT_UNLOCK (client);
|
|
|
|
|
|
|
|
GST_DEBUG ("Loading chunk with URL %s", *uri);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
gst_mpd_client_get_next_header (GstMpdClient * client, const gchar **uri, guint stream_idx)
|
|
|
|
{
|
|
|
|
GstActiveStream *stream = NULL;
|
|
|
|
|
|
|
|
/* select stream */
|
|
|
|
g_return_val_if_fail (client != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (client->active_streams != NULL, FALSE);
|
|
|
|
stream = g_list_nth_data (client->active_streams, stream_idx);
|
|
|
|
g_return_val_if_fail (stream != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (stream->cur_representation != NULL, FALSE);
|
|
|
|
|
|
|
|
GST_DEBUG ("Looking for current representation header");
|
|
|
|
|
|
|
|
GST_MPD_CLIENT_LOCK (client);
|
|
|
|
*uri = NULL;
|
|
|
|
if (stream->cur_segment_base && stream->cur_segment_base->Initialization) {
|
|
|
|
*uri = gst_mpdparser_get_initializationURL(stream->cur_segment_base->Initialization);
|
|
|
|
} else if (stream->cur_seg_template) {
|
2012-10-17 16:42:02 +00:00
|
|
|
const gchar *initialization = NULL;
|
|
|
|
if (stream->cur_seg_template->initialization) {
|
|
|
|
initialization = stream->cur_seg_template->initialization;
|
|
|
|
} else if (stream->cur_adapt_set->SegmentTemplate && stream->cur_adapt_set->SegmentTemplate->initialization) {
|
|
|
|
initialization = stream->cur_adapt_set->SegmentTemplate->initialization;
|
|
|
|
} else if (client->cur_period->SegmentTemplate && client->cur_period->SegmentTemplate->initialization) {
|
|
|
|
initialization = client->cur_period->SegmentTemplate->initialization;
|
|
|
|
}
|
|
|
|
*uri = gst_mpdparser_build_URL_from_template (initialization,
|
2013-05-08 14:13:32 +00:00
|
|
|
stream->cur_representation->id, 0, stream->cur_representation->bandwidth, 0);
|
|
|
|
}
|
|
|
|
GST_MPD_CLIENT_UNLOCK (client);
|
|
|
|
|
|
|
|
return *uri == NULL ? FALSE : TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
gst_mpd_client_get_current_position (GstMpdClient * client,
|
|
|
|
GstClockTime * timestamp)
|
|
|
|
{
|
|
|
|
GstActiveStream *stream;
|
|
|
|
GstClockTime duration;
|
|
|
|
|
|
|
|
*timestamp = GST_CLOCK_TIME_NONE;
|
|
|
|
|
|
|
|
/* select stream TODO: support multiple streams */
|
|
|
|
stream = g_list_nth_data (client->active_streams, client->stream_idx);
|
|
|
|
g_return_if_fail (stream != NULL);
|
|
|
|
|
|
|
|
duration = gst_mpd_client_get_target_duration (client);
|
|
|
|
*timestamp = duration == GST_CLOCK_TIME_NONE ? GST_CLOCK_TIME_NONE : stream->segment_idx * duration;
|
|
|
|
}
|
|
|
|
|
|
|
|
GstClockTime
|
|
|
|
gst_mpd_client_get_duration (GstMpdClient * client)
|
|
|
|
{
|
|
|
|
GstClockTime duration;
|
|
|
|
|
|
|
|
g_return_val_if_fail (client != NULL, GST_CLOCK_TIME_NONE);
|
|
|
|
|
|
|
|
GST_MPD_CLIENT_LOCK (client);
|
|
|
|
duration = client->mpd_node->mediaPresentationDuration * GST_MSECOND;
|
|
|
|
/* We can only get the duration for on-demand streams */
|
|
|
|
if (!duration) {
|
|
|
|
duration = GST_CLOCK_TIME_NONE;
|
|
|
|
}
|
|
|
|
GST_MPD_CLIENT_UNLOCK (client);
|
|
|
|
|
|
|
|
return duration;
|
|
|
|
}
|
|
|
|
|
|
|
|
GstClockTime
|
|
|
|
gst_mpd_client_get_target_duration (GstMpdClient * client)
|
|
|
|
{
|
|
|
|
GstActiveStream *stream;
|
|
|
|
GstMultSegmentBaseType *base = NULL;
|
|
|
|
GstClockTime duration;
|
|
|
|
guint timescale;
|
|
|
|
|
|
|
|
g_return_val_if_fail (client != NULL, GST_CLOCK_TIME_NONE);
|
|
|
|
/* select stream TODO: support multiple streams */
|
|
|
|
stream = g_list_nth_data (client->active_streams, client->stream_idx);
|
|
|
|
g_return_val_if_fail (stream != NULL, GST_CLOCK_TIME_NONE);
|
|
|
|
|
|
|
|
if (stream->cur_segment_list) {
|
|
|
|
base = stream->cur_segment_list->MultSegBaseType;
|
|
|
|
} else if (stream->cur_seg_template) {
|
|
|
|
base = stream->cur_seg_template->MultSegBaseType;
|
|
|
|
}
|
|
|
|
|
2012-10-08 14:59:21 +00:00
|
|
|
if (base == NULL || base->SegBaseType == NULL) {
|
|
|
|
return GST_CLOCK_TIME_NONE;
|
|
|
|
}
|
|
|
|
|
2013-05-08 14:13:32 +00:00
|
|
|
duration = base->duration * GST_SECOND;
|
|
|
|
timescale = base->SegBaseType->timescale;
|
|
|
|
|
|
|
|
if (timescale > 1)
|
|
|
|
duration /= timescale;
|
|
|
|
|
|
|
|
return duration;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
gst_mpd_client_is_live (GstMpdClient * client)
|
|
|
|
{
|
|
|
|
return client->mpd_node->type == GST_MPD_FILE_TYPE_DYNAMIC;
|
|
|
|
}
|
|
|
|
|
|
|
|
guint gst_mpdparser_get_nb_active_stream (GstMpdClient *client){
|
|
|
|
|
|
|
|
g_return_val_if_fail (client != NULL, FALSE);
|
|
|
|
return g_list_length (client->active_streams);
|
|
|
|
}
|
|
|
|
|
2012-10-08 15:43:14 +00:00
|
|
|
guint gst_mpdparser_get_nb_adaptationSet(GstMpdClient *client)
|
|
|
|
{
|
2013-05-08 14:13:32 +00:00
|
|
|
g_return_val_if_fail (client != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (client->cur_period != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (client->cur_period->AdaptationSets != NULL, FALSE);
|
|
|
|
return g_list_length (client->cur_period->AdaptationSets);
|
|
|
|
}
|
|
|
|
|
2012-10-08 15:43:14 +00:00
|
|
|
GstActiveStream *gst_mpdparser_get_active_stream_by_index (GstMpdClient *client, gint stream_idx)
|
|
|
|
{
|
2013-05-08 14:13:32 +00:00
|
|
|
g_return_val_if_fail (client != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (client->active_streams != NULL, FALSE);
|
|
|
|
return g_list_nth_data (client->active_streams,
|
|
|
|
stream_idx);
|
|
|
|
}
|
|
|
|
|
2012-10-08 15:43:14 +00:00
|
|
|
guint gst_mpd_client_get_width_of_video_current_stream (GstRepresentationBaseType *RepresentationBase)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (RepresentationBase != NULL, 0);
|
|
|
|
return RepresentationBase->width;
|
2013-05-08 14:13:32 +00:00
|
|
|
}
|
2012-09-29 01:13:29 +00:00
|
|
|
|
2012-10-08 15:43:14 +00:00
|
|
|
guint gst_mpd_client_get_height_of_video_current_stream (GstRepresentationBaseType *RepresentationBase)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (RepresentationBase != NULL, 0);
|
|
|
|
return RepresentationBase->height;
|
2013-05-08 14:13:32 +00:00
|
|
|
}
|
|
|
|
|
2012-10-08 15:43:14 +00:00
|
|
|
guint gst_mpd_client_get_rate_of_audio_current_stream (GstRepresentationBaseType *RepresentationBase)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (RepresentationBase != NULL, 0);
|
|
|
|
return (guint) RepresentationBase->audioSamplingRate;
|
2013-05-08 14:13:32 +00:00
|
|
|
}
|
2012-09-29 01:13:29 +00:00
|
|
|
|
2012-10-08 15:43:14 +00:00
|
|
|
guint gst_mpd_client_get_num_channels_of_audio_current_stream (GstRepresentationBaseType *RepresentationBase)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (RepresentationBase != NULL, 0);
|
2013-05-08 14:13:32 +00:00
|
|
|
/* TODO*/
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2012-09-29 01:13:29 +00:00
|
|
|
guint
|
2012-10-02 00:28:58 +00:00
|
|
|
gst_mpdparser_get_list_and_nb_of_audio_language (GList **lang,
|
|
|
|
GList *AdaptationSets)
|
|
|
|
{
|
|
|
|
GList *list;
|
|
|
|
GstAdaptationSetNode *adapt_set;
|
|
|
|
gchar *this_mimeType = "audio";
|
|
|
|
gchar *mimeType = NULL;
|
|
|
|
guint nb_adapatation_set = 0;
|
2012-10-08 08:29:04 +00:00
|
|
|
|
2012-10-02 00:28:58 +00:00
|
|
|
if (AdaptationSets == NULL)
|
2012-10-08 08:29:04 +00:00
|
|
|
return 0;
|
2012-10-02 00:28:58 +00:00
|
|
|
|
|
|
|
for (list = g_list_first (AdaptationSets); list; list = g_list_next (list)) {
|
|
|
|
adapt_set = (GstAdaptationSetNode *) list->data;
|
|
|
|
if (adapt_set) {
|
|
|
|
gchar *this_lang = adapt_set->lang;
|
|
|
|
GstRepresentationNode *rep;
|
|
|
|
rep =
|
|
|
|
gst_mpdparser_get_lowest_representation (adapt_set->Representations);
|
|
|
|
if (rep->RepresentationBase)
|
|
|
|
mimeType = rep->RepresentationBase->mimeType;
|
|
|
|
if (!mimeType && adapt_set->RepresentationBase) {
|
|
|
|
mimeType = adapt_set->RepresentationBase->mimeType;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (strncmp_ext (mimeType, this_mimeType) == 0) {
|
|
|
|
if (this_lang) {
|
|
|
|
nb_adapatation_set++;
|
|
|
|
*lang = g_list_append (*lang, this_lang);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return nb_adapatation_set;
|
2012-09-29 01:13:29 +00:00
|
|
|
}
|
2012-10-02 00:28:58 +00:00
|
|
|
|