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73721ad4e9
When a MSS server hosts a live stream the fragments listed in the manifest usually don't have accurate timestamps and duration, except for the first fragment, which additionally stores timing information for the few upcoming fragments. In this scenario it is useless to periodically fetch and update the manifest and the fragments list can be incrementally built by parsing the first/current fragment. https://bugzilla.gnome.org/show_bug.cgi?id=755036
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/*
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* Microsoft Smooth-Streaming fragment parsing library
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*
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* gstmssfragmentparser.h
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*
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* Copyright (C) 2016 Igalia S.L
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* Copyright (C) 2016 Metrological
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* Author: Philippe Normand <philn@igalia.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_MSS_FRAGMENT_PARSER_H__
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#define __GST_MSS_FRAGMENT_PARSER_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_MSS_FRAGMENT_FOURCC_MOOF GST_MAKE_FOURCC('m','o','o','f')
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#define GST_MSS_FRAGMENT_FOURCC_MFHD GST_MAKE_FOURCC('m','f','h','d')
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#define GST_MSS_FRAGMENT_FOURCC_TRAF GST_MAKE_FOURCC('t','r','a','f')
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#define GST_MSS_FRAGMENT_FOURCC_TFHD GST_MAKE_FOURCC('t','f','h','d')
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#define GST_MSS_FRAGMENT_FOURCC_TRUN GST_MAKE_FOURCC('t','r','u','n')
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#define GST_MSS_FRAGMENT_FOURCC_UUID GST_MAKE_FOURCC('u','u','i','d')
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#define GST_MSS_FRAGMENT_FOURCC_MDAT GST_MAKE_FOURCC('m','d','a','t')
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typedef struct _GstTfxdBox
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{
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guint8 version;
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guint32 flags;
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guint64 time;
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guint64 duration;
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} GstTfxdBox;
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typedef struct _GstTfrfBoxEntry
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{
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guint64 time;
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guint64 duration;
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} GstTfrfBoxEntry;
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typedef struct _GstTfrfBox
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{
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guint8 version;
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guint32 flags;
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gint entries_count;
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GstTfrfBoxEntry *entries;
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} GstTfrfBox;
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typedef enum _GstFragmentHeaderParserStatus
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{
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GST_MSS_FRAGMENT_HEADER_PARSER_INIT,
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GST_MSS_FRAGMENT_HEADER_PARSER_FINISHED
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} GstFragmentHeaderParserStatus;
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typedef struct _GstMssFragmentParser
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{
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GstFragmentHeaderParserStatus status;
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GstTfxdBox tfxd;
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GstTfrfBox tfrf;
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} GstMssFragmentParser;
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void gst_mss_fragment_parser_init (GstMssFragmentParser * parser);
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void gst_mss_fragment_parser_clear (GstMssFragmentParser * parser);
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gboolean gst_mss_fragment_parser_add_buffer (GstMssFragmentParser * parser, GstBuffer * buf);
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G_END_DECLS
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#endif /* __GST_MSS_FRAGMENT_PARSER_H__ */
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