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6cbaec7593
Dashdemux has set the width and height information from MPD manifest. Some embedded devices which are not insufficient H/W resources need more information such as framerate to assign H/W resources. So I suggested that dashdemux also needs to set the framerate information from MDP manifest. https://bugzilla.gnome.org/show_bug.cgi?id=758515
606 lines
19 KiB
C
606 lines
19 KiB
C
/*
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* DASH MPD parsing library
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*
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* gstmpdparser.h
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*
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* Copyright (C) 2012 STMicroelectronics
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*
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* Authors:
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* Gianluca Gennari <gennarone@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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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* License along with this library (COPYING); if not, write to the
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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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#ifndef __GST_MPDPARSER_H__
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#define __GST_MPDPARSER_H__
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#include <gst/gst.h>
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#include <gst/uridownloader/gsturidownloader.h>
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G_BEGIN_DECLS
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typedef struct _GstMpdClient GstMpdClient;
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typedef struct _GstActiveStream GstActiveStream;
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typedef struct _GstStreamPeriod GstStreamPeriod;
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typedef struct _GstMediaFragmentInfo GstMediaFragmentInfo;
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typedef struct _GstMediaSegment GstMediaSegment;
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typedef struct _GstMPDNode GstMPDNode;
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typedef struct _GstPeriodNode GstPeriodNode;
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typedef struct _GstRepresentationBaseType GstRepresentationBaseType;
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typedef struct _GstDescriptorType GstDescriptorType;
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typedef struct _GstContentComponentNode GstContentComponentNode;
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typedef struct _GstAdaptationSetNode GstAdaptationSetNode;
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typedef struct _GstRepresentationNode GstRepresentationNode;
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typedef struct _GstSubRepresentationNode GstSubRepresentationNode;
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typedef struct _GstSegmentListNode GstSegmentListNode;
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typedef struct _GstSegmentTemplateNode GstSegmentTemplateNode;
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typedef struct _GstSegmentURLNode GstSegmentURLNode;
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typedef struct _GstBaseURL GstBaseURL;
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typedef struct _GstRange GstRange;
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typedef struct _GstRatio GstRatio;
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typedef struct _GstFrameRate GstFrameRate;
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typedef struct _GstConditionalUintType GstConditionalUintType;
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typedef struct _GstSubsetNode GstSubsetNode;
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typedef struct _GstProgramInformationNode GstProgramInformationNode;
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typedef struct _GstMetricsRangeNode GstMetricsRangeNode;
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typedef struct _GstMetricsNode GstMetricsNode;
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typedef struct _GstUTCTimingNode GstUTCTimingNode;
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typedef struct _GstSNode GstSNode;
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typedef struct _GstSegmentTimelineNode GstSegmentTimelineNode;
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typedef struct _GstSegmentBaseType GstSegmentBaseType;
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typedef struct _GstURLType GstURLType;
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typedef struct _GstMultSegmentBaseType GstMultSegmentBaseType;
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#define GST_MPD_CLIENT_LOCK(c) g_mutex_lock (&c->lock);
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#define GST_MPD_CLIENT_UNLOCK(c) g_mutex_unlock (&c->lock);
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#define GST_MPD_DURATION_NONE ((guint64)-1)
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typedef enum
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{
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GST_STREAM_UNKNOWN,
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GST_STREAM_VIDEO, /* video stream (the main one) */
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GST_STREAM_AUDIO, /* audio stream (optional) */
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GST_STREAM_APPLICATION /* application stream (optional): for timed text/subtitles */
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} GstStreamMimeType;
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typedef enum
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{
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GST_MPD_FILE_TYPE_STATIC,
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GST_MPD_FILE_TYPE_DYNAMIC
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} GstMPDFileType;
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typedef enum
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{
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GST_SAP_TYPE_0 = 0,
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GST_SAP_TYPE_1,
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GST_SAP_TYPE_2,
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GST_SAP_TYPE_3,
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GST_SAP_TYPE_4,
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GST_SAP_TYPE_5,
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GST_SAP_TYPE_6
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} GstSAPType;
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typedef enum
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{
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GST_XLINK_ACTUATE_ON_REQUEST,
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GST_XLINK_ACTUATE_ON_LOAD
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} GstXLinkActuate;
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typedef enum
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{
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GST_MPD_UTCTIMING_TYPE_UNKNOWN = 0x00,
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GST_MPD_UTCTIMING_TYPE_NTP = 0x01,
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GST_MPD_UTCTIMING_TYPE_SNTP = 0x02,
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GST_MPD_UTCTIMING_TYPE_HTTP_HEAD = 0x04,
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GST_MPD_UTCTIMING_TYPE_HTTP_XSDATE = 0x08,
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GST_MPD_UTCTIMING_TYPE_HTTP_ISO = 0x10,
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GST_MPD_UTCTIMING_TYPE_HTTP_NTP = 0x20,
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GST_MPD_UTCTIMING_TYPE_DIRECT = 0x40
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} GstMPDUTCTimingType;
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struct _GstBaseURL
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{
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gchar *baseURL;
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gchar *serviceLocation;
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gchar *byteRange;
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};
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struct _GstRange
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{
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guint64 first_byte_pos;
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guint64 last_byte_pos;
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};
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struct _GstRatio
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{
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guint num;
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guint den;
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};
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struct _GstFrameRate
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{
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guint num;
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guint den;
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};
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struct _GstConditionalUintType
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{
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gboolean flag;
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guint value;
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};
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struct _GstSNode
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{
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guint64 t;
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guint64 d;
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gint r;
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};
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struct _GstSegmentTimelineNode
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{
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/* list of S nodes */
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GQueue S;
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};
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struct _GstURLType
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{
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gchar *sourceURL;
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GstRange *range;
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};
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struct _GstSegmentBaseType
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{
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guint timescale;
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guint64 presentationTimeOffset;
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GstRange *indexRange;
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gboolean indexRangeExact;
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/* Initialization node */
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GstURLType *Initialization;
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/* RepresentationIndex node */
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GstURLType *RepresentationIndex;
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};
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struct _GstMultSegmentBaseType
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{
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guint duration; /* in seconds */
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guint startNumber;
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/* SegmentBaseType extension */
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GstSegmentBaseType *SegBaseType;
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/* SegmentTimeline node */
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GstSegmentTimelineNode *SegmentTimeline;
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/* BitstreamSwitching node */
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GstURLType *BitstreamSwitching;
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};
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struct _GstSegmentListNode
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{
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/* extension */
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GstMultSegmentBaseType *MultSegBaseType;
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/* list of SegmentURL nodes */
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GList *SegmentURL;
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gchar *xlink_href;
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GstXLinkActuate actuate;
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};
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struct _GstSegmentTemplateNode
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{
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/* extension */
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GstMultSegmentBaseType *MultSegBaseType;
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gchar *media;
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gchar *index;
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gchar *initialization;
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gchar *bitstreamSwitching;
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};
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struct _GstSegmentURLNode
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{
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gchar *media;
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GstRange *mediaRange;
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gchar *index;
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GstRange *indexRange;
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};
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struct _GstRepresentationBaseType
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{
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gchar *profiles;
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guint width;
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guint height;
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GstRatio *sar;
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GstFrameRate *minFrameRate;
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GstFrameRate *maxFrameRate;
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GstFrameRate *frameRate;
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gchar *audioSamplingRate;
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gchar *mimeType;
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gchar *segmentProfiles;
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gchar *codecs;
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gdouble maximumSAPPeriod;
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GstSAPType startWithSAP;
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gdouble maxPlayoutRate;
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gboolean codingDependency;
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gchar *scanType;
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/* list of FramePacking DescriptorType nodes */
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GList *FramePacking;
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/* list of AudioChannelConfiguration DescriptorType nodes */
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GList *AudioChannelConfiguration;
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/* list of ContentProtection DescriptorType nodes */
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GList *ContentProtection;
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};
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struct _GstSubRepresentationNode
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{
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/* RepresentationBase extension */
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GstRepresentationBaseType *RepresentationBase;
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guint level;
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guint *dependencyLevel; /* UIntVectorType */
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guint size; /* size of "dependencyLevel" array */
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guint bandwidth;
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gchar **contentComponent; /* StringVectorType */
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};
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struct _GstRepresentationNode
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{
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gchar *id;
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guint bandwidth;
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guint qualityRanking;
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gchar **dependencyId; /* StringVectorType */
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gchar **mediaStreamStructureId; /* StringVectorType */
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/* RepresentationBase extension */
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GstRepresentationBaseType *RepresentationBase;
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/* list of BaseURL nodes */
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GList *BaseURLs;
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/* list of SubRepresentation nodes */
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GList *SubRepresentations;
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/* SegmentBase node */
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GstSegmentBaseType *SegmentBase;
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/* SegmentTemplate node */
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GstSegmentTemplateNode *SegmentTemplate;
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/* SegmentList node */
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GstSegmentListNode *SegmentList;
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};
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struct _GstDescriptorType
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{
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gchar *schemeIdUri;
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gchar *value;
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};
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struct _GstContentComponentNode
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{
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guint id;
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gchar *lang; /* LangVectorType RFC 5646 */
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gchar *contentType;
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GstRatio *par;
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/* list of Accessibility DescriptorType nodes */
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GList *Accessibility;
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/* list of Role DescriptorType nodes */
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GList *Role;
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/* list of Rating DescriptorType nodes */
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GList *Rating;
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/* list of Viewpoint DescriptorType nodes */
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GList *Viewpoint;
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};
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struct _GstAdaptationSetNode
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{
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guint id;
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guint group;
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gchar *lang; /* LangVectorType RFC 5646 */
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gchar *contentType;
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GstRatio *par;
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guint minBandwidth;
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guint maxBandwidth;
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guint minWidth;
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guint maxWidth;
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guint minHeight;
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guint maxHeight;
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GstConditionalUintType *segmentAlignment;
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GstConditionalUintType *subsegmentAlignment;
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GstSAPType subsegmentStartsWithSAP;
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gboolean bitstreamSwitching;
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/* list of Accessibility DescriptorType nodes */
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GList *Accessibility;
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/* list of Role DescriptorType nodes */
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GList *Role;
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/* list of Rating DescriptorType nodes */
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GList *Rating;
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/* list of Viewpoint DescriptorType nodes */
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GList *Viewpoint;
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/* RepresentationBase extension */
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GstRepresentationBaseType *RepresentationBase;
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/* SegmentBase node */
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GstSegmentBaseType *SegmentBase;
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/* SegmentList node */
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GstSegmentListNode *SegmentList;
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/* SegmentTemplate node */
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GstSegmentTemplateNode *SegmentTemplate;
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/* list of BaseURL nodes */
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GList *BaseURLs;
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/* list of Representation nodes */
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GList *Representations;
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/* list of ContentComponent nodes */
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GList *ContentComponents;
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gchar *xlink_href;
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GstXLinkActuate actuate;
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};
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struct _GstSubsetNode
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{
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guint *contains; /* UIntVectorType */
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guint size; /* size of the "contains" array */
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};
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struct _GstPeriodNode
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{
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gchar *id;
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guint64 start; /* [ms] */
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guint64 duration; /* [ms] */
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gboolean bitstreamSwitching;
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/* SegmentBase node */
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GstSegmentBaseType *SegmentBase;
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/* SegmentList node */
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GstSegmentListNode *SegmentList;
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/* SegmentTemplate node */
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GstSegmentTemplateNode *SegmentTemplate;
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/* list of Adaptation Set nodes */
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GList *AdaptationSets;
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/* list of Representation nodes */
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GList *Subsets;
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/* list of BaseURL nodes */
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GList *BaseURLs;
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gchar *xlink_href;
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GstXLinkActuate actuate;
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};
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struct _GstProgramInformationNode
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{
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gchar *lang; /* LangVectorType RFC 5646 */
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gchar *moreInformationURL;
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/* children nodes */
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gchar *Title;
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gchar *Source;
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gchar *Copyright;
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};
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struct _GstMetricsRangeNode
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{
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guint64 starttime; /* [ms] */
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guint64 duration; /* [ms] */
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};
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struct _GstMetricsNode
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{
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gchar *metrics;
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/* list of Metrics Range nodes */
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GList *MetricsRanges;
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/* list of Reporting nodes */
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GList *Reportings;
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};
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struct _GstUTCTimingNode {
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GstMPDUTCTimingType method;
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/* NULL terminated array of strings */
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gchar **urls;
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};
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struct _GstMPDNode
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{
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gchar *default_namespace;
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gchar *namespace_xsi;
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gchar *namespace_ext;
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gchar *schemaLocation;
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gchar *id;
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gchar *profiles;
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GstMPDFileType type;
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GstDateTime *availabilityStartTime;
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GstDateTime *availabilityEndTime;
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guint64 mediaPresentationDuration; /* [ms] */
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guint64 minimumUpdatePeriod; /* [ms] */
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guint64 minBufferTime; /* [ms] */
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guint64 timeShiftBufferDepth; /* [ms] */
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guint64 suggestedPresentationDelay; /* [ms] */
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guint64 maxSegmentDuration; /* [ms] */
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guint64 maxSubsegmentDuration; /* [ms] */
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/* list of BaseURL nodes */
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GList *BaseURLs;
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/* list of Location nodes */
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GList *Locations;
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/* List of ProgramInformation nodes */
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GList *ProgramInfo;
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/* list of Periods nodes */
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GList *Periods;
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/* list of Metrics nodes */
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GList *Metrics;
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/* list of GstUTCTimingNode nodes */
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GList *UTCTiming;
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};
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/**
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* GstStreamPeriod:
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*
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* Stream period data structure
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*/
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struct _GstStreamPeriod
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{
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GstPeriodNode *period; /* Stream period */
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guint number; /* Period number */
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GstClockTime start; /* Period start time */
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GstClockTime duration; /* Period duration */
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};
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/**
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* GstMediaSegment:
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*
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* Media segment data structure
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*/
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struct _GstMediaSegment
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{
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GstSegmentURLNode *SegmentURL; /* this is NULL when using a SegmentTemplate */
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guint number; /* segment number */
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gint repeat; /* number of extra repetitions (0 = played only once) */
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guint64 scale_start; /* start time in timescale units */
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guint64 scale_duration; /* duration in timescale units */
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GstClockTime start; /* segment start time */
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GstClockTime duration; /* segment duration */
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};
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struct _GstMediaFragmentInfo
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{
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gchar *uri;
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gint64 range_start;
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gint64 range_end;
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gchar *index_uri;
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gint64 index_range_start;
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gint64 index_range_end;
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gboolean discontinuity;
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GstClockTime timestamp;
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GstClockTime duration;
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};
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/**
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* GstActiveStream:
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*
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* Active stream data structure
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*/
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struct _GstActiveStream
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{
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GstStreamMimeType mimeType; /* video/audio/application */
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guint baseURL_idx; /* index of the baseURL used for last request */
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gchar *baseURL; /* active baseURL used for last request */
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gchar *queryURL; /* active queryURL used for last request */
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guint max_bandwidth; /* max bandwidth allowed for this mimeType */
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GstAdaptationSetNode *cur_adapt_set; /* active adaptation set */
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gint representation_idx; /* index of current representation */
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GstRepresentationNode *cur_representation; /* active representation */
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GstSegmentBaseType *cur_segment_base; /* active segment base */
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GstSegmentListNode *cur_segment_list; /* active segment list */
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GstSegmentTemplateNode *cur_seg_template; /* active segment template */
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gint segment_index; /* index of next sequence chunk */
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guint segment_repeat_index; /* index of the repeat count of a segment */
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GPtrArray *segments; /* array of GstMediaSegment */
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GstClockTime presentationTimeOffset; /* presentation time offset of the current segment */
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};
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struct _GstMpdClient
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{
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GstMPDNode *mpd_node; /* active MPD manifest file */
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GList *periods; /* list of GstStreamPeriod */
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guint period_idx; /* index of current Period */
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GList *active_streams; /* list of GstActiveStream */
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guint update_failed_count;
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gchar *mpd_uri; /* manifest file URI */
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gchar *mpd_base_uri; /* base URI for resolving relative URIs.
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* this will be different for redirects */
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/* profiles */
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gboolean profile_isoff_ondemand;
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GstUriDownloader * downloader;
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};
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/* Basic initialization/deinitialization functions */
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GstMpdClient *gst_mpd_client_new (void);
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void gst_active_streams_free (GstMpdClient * client);
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void gst_mpd_client_free (GstMpdClient * client);
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void gst_media_fragment_info_clear (GstMediaFragmentInfo * fragment);
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void gst_mpd_client_set_uri_downloader (GstMpdClient * client, GstUriDownloader * download);
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/* MPD file parsing */
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gboolean gst_mpd_parse (GstMpdClient *client, const gchar *data, gint size);
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/* Streaming management */
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gboolean gst_mpd_client_setup_media_presentation (GstMpdClient *client, GstClockTime time, gint period_index, const gchar *period_id);
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gboolean gst_mpd_client_setup_streaming (GstMpdClient * client, GstAdaptationSetNode * adapt_set);
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gboolean gst_mpd_client_setup_representation (GstMpdClient *client, GstActiveStream *stream, GstRepresentationNode *representation);
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GstClockTime gst_mpd_client_get_next_fragment_duration (GstMpdClient * client, GstActiveStream * stream);
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GstClockTime gst_mpd_client_get_media_presentation_duration (GstMpdClient *client);
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gboolean gst_mpd_client_get_last_fragment_timestamp_end (GstMpdClient * client, guint stream_idx, GstClockTime * ts);
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gboolean gst_mpd_client_get_next_fragment_timestamp (GstMpdClient * client, guint stream_idx, GstClockTime * ts);
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gboolean gst_mpd_client_get_next_fragment (GstMpdClient *client, guint indexStream, GstMediaFragmentInfo * fragment);
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gboolean gst_mpd_client_get_next_header (GstMpdClient *client, gchar **uri, guint stream_idx, gint64 * range_start, gint64 * range_end);
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gboolean gst_mpd_client_get_next_header_index (GstMpdClient *client, gchar **uri, guint stream_idx, gint64 * range_start, gint64 * range_end);
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gboolean gst_mpd_client_is_live (GstMpdClient * client);
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gboolean gst_mpd_client_stream_seek (GstMpdClient * client, GstActiveStream * stream, GstClockTime ts);
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gboolean gst_mpd_client_seek_to_time (GstMpdClient * client, GDateTime * time);
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GstClockTime gst_mpd_parser_get_stream_presentation_offset (GstMpdClient *client, guint stream_idx);
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gchar** gst_mpd_client_get_utc_timing_sources (GstMpdClient *client, guint methods, GstMPDUTCTimingType *selected_method);
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GstClockTime gst_mpd_parser_get_period_start_time (GstMpdClient *client);
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/* Period selection */
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guint gst_mpd_client_get_period_index_at_time (GstMpdClient * client, GstDateTime * time);
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gboolean gst_mpd_client_set_period_index (GstMpdClient *client, guint period_idx);
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gboolean gst_mpd_client_set_period_id (GstMpdClient *client, const gchar * period_id);
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guint gst_mpd_client_get_period_index (GstMpdClient *client);
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const gchar *gst_mpd_client_get_period_id (GstMpdClient *client);
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gboolean gst_mpd_client_has_next_period (GstMpdClient *client);
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gboolean gst_mpd_client_has_previous_period (GstMpdClient * client);
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/* Representation selection */
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gint gst_mpdparser_get_rep_idx_with_max_bandwidth (GList *Representations, gint max_bandwidth);
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gint gst_mpdparser_get_rep_idx_with_min_bandwidth (GList * Representations);
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/* URL management */
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const gchar *gst_mpdparser_get_baseURL (GstMpdClient *client, guint indexStream);
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/* Active stream */
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guint gst_mpdparser_get_nb_active_stream (GstMpdClient *client);
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GstActiveStream *gst_mpdparser_get_active_stream_by_index (GstMpdClient *client, guint stream_idx);
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gboolean gst_mpd_client_active_stream_contains_subtitles (GstActiveStream * stream);
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/* AdaptationSet */
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guint gst_mpdparser_get_nb_adaptationSet (GstMpdClient *client);
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GList * gst_mpd_client_get_adaptation_sets (GstMpdClient * client);
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/* Segment */
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gboolean gst_mpd_client_has_next_segment (GstMpdClient * client, GstActiveStream * stream, gboolean forward);
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GstFlowReturn gst_mpd_client_advance_segment (GstMpdClient * client, GstActiveStream * stream, gboolean forward);
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void gst_mpd_client_seek_to_first_segment (GstMpdClient * client);
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GstDateTime *gst_mpd_client_get_next_segment_availability_end_time (GstMpdClient * client, GstActiveStream * stream);
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/* Get audio/video stream parameters (caps, width, height, rate, number of channels) */
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GstCaps * gst_mpd_client_get_stream_caps (GstActiveStream * stream);
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gboolean gst_mpd_client_get_bitstream_switching_flag (GstActiveStream * stream);
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guint gst_mpd_client_get_video_stream_width (GstActiveStream * stream);
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guint gst_mpd_client_get_video_stream_height (GstActiveStream * stream);
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gboolean gst_mpd_client_get_video_stream_framerate (GstActiveStream * stream, gint * fps_num, gint * fps_den);
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guint gst_mpd_client_get_audio_stream_rate (GstActiveStream * stream);
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guint gst_mpd_client_get_audio_stream_num_channels (GstActiveStream * stream);
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/* Support multi language */
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guint gst_mpdparser_get_list_and_nb_of_audio_language (GstMpdClient *client, GList **lang);
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gint64 gst_mpd_client_calculate_time_difference (const GstDateTime * t1, const GstDateTime * t2);
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GstDateTime *gst_mpd_client_add_time_difference (GstDateTime * t1, gint64 usecs);
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gint64 gst_mpd_client_parse_default_presentation_delay(GstMpdClient * client, const gchar * default_presentation_delay);
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/* profiles */
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gboolean gst_mpd_client_has_isoff_ondemand_profile (GstMpdClient *client);
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G_END_DECLS
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#endif /* __GST_MPDPARSER_H__ */
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