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f5b98f24c2
Allows dashdemux to identify the subsegments in the stream and switch bitrates when needed
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/*
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* ISO File Format parsing library
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*
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* gstisoff.h
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*
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* Copyright (C) 2015 Samsung Electronics. All rights reserved.
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* Author: Thiago Santos <thiagoss@osg.samsung.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_ISOFF_H__
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#define __GST_ISOFF_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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typedef enum {
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GST_ISOFF_PARSER_OK,
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GST_ISOFF_PARSER_DONE,
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GST_ISOFF_PARSER_UNEXPECTED,
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GST_ISOFF_PARSER_ERROR
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} GstIsoffParserResult;
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/* this is the minimum size, it can be larger if it
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* uses extended size or type */
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#define GST_ISOFF_FULL_BOX_SIZE 12
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#define GST_ISOFF_FOURCC_SIDX GST_MAKE_FOURCC('s','i','d','x')
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typedef struct _GstSidxBoxEntry
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{
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gboolean ref_type;
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guint32 size;
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GstClockTime duration;
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gboolean starts_with_sap;
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guint8 sap_type;
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guint32 sap_delta_time;
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guint64 offset;
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GstClockTime pts;
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} GstSidxBoxEntry;
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typedef struct _GstSidxBox
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{
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guint8 version;
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guint32 flags;
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guint32 ref_id;
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guint32 timescale;
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guint64 earliest_pts;
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guint64 first_offset;
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gint entry_index;
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gint entries_count;
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GstSidxBoxEntry *entries;
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} GstSidxBox;
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typedef enum _GstSidxParserStatus
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{
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GST_ISOFF_SIDX_PARSER_INIT,
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GST_ISOFF_SIDX_PARSER_HEADER,
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GST_ISOFF_SIDX_PARSER_DATA,
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GST_ISOFF_SIDX_PARSER_FINISHED
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} GstSidxParserStatus;
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typedef struct _GstSidxParser
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{
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GstSidxParserStatus status;
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guint64 size;
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guint64 cumulative_entry_size;
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guint64 cumulative_pts;
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GstSidxBox sidx;
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} GstSidxParser;
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void gst_isoff_sidx_parser_init (GstSidxParser * parser);
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void gst_isoff_sidx_parser_clear (GstSidxParser * parser);
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GstIsoffParserResult gst_isoff_sidx_parser_add_buffer (GstSidxParser * parser, GstBuffer * buf, guint * consumed);
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G_END_DECLS
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#endif /* __GST_ISOFF_H__ */
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