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author | Thiago Santos <thiagoss@osg.samsung.com> | 2015-01-12 11:57:02 -0300 |
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committer | Thiago Santos <thiagoss@osg.samsung.com> | 2015-01-16 15:00:11 -0300 |
commit | f5b98f24c280809a5bc236ee18e574378ce432f3 (patch) | |
tree | a1b0f6a4757546ccd815d48d0fde237fabc63a31 /ext/dash/gstisoff.h | |
parent | b40e5decb298734f70fceb938cb317b6b923a699 (diff) | |
download | gstreamer-plugins-bad-f5b98f24c280809a5bc236ee18e574378ce432f3.tar.gz |
dashdemux: parse the sidx index from isobmff streams
Allows dashdemux to identify the subsegments in the stream and
switch bitrates when needed
Diffstat (limited to 'ext/dash/gstisoff.h')
-rw-r--r-- | ext/dash/gstisoff.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/ext/dash/gstisoff.h b/ext/dash/gstisoff.h new file mode 100644 index 000000000..e535c69c0 --- /dev/null +++ b/ext/dash/gstisoff.h @@ -0,0 +1,99 @@ +/* + * ISO File Format parsing library + * + * gstisoff.h + * + * Copyright (C) 2015 Samsung Electronics. All rights reserved. + * Author: Thiago Santos <thiagoss@osg.samsung.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library (COPYING); if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_ISOFF_H__ +#define __GST_ISOFF_H__ + +#include <gst/gst.h> + +G_BEGIN_DECLS + +typedef enum { + GST_ISOFF_PARSER_OK, + GST_ISOFF_PARSER_DONE, + GST_ISOFF_PARSER_UNEXPECTED, + GST_ISOFF_PARSER_ERROR +} GstIsoffParserResult; + +/* this is the minimum size, it can be larger if it + * uses extended size or type */ +#define GST_ISOFF_FULL_BOX_SIZE 12 + +#define GST_ISOFF_FOURCC_SIDX GST_MAKE_FOURCC('s','i','d','x') +typedef struct _GstSidxBoxEntry +{ + gboolean ref_type; + guint32 size; + GstClockTime duration; + gboolean starts_with_sap; + guint8 sap_type; + guint32 sap_delta_time; + + guint64 offset; + GstClockTime pts; +} GstSidxBoxEntry; + +typedef struct _GstSidxBox +{ + guint8 version; + guint32 flags; + + guint32 ref_id; + guint32 timescale; + guint64 earliest_pts; + guint64 first_offset; + + gint entry_index; + gint entries_count; + + GstSidxBoxEntry *entries; +} GstSidxBox; + +typedef enum _GstSidxParserStatus +{ + GST_ISOFF_SIDX_PARSER_INIT, + GST_ISOFF_SIDX_PARSER_HEADER, + GST_ISOFF_SIDX_PARSER_DATA, + GST_ISOFF_SIDX_PARSER_FINISHED +} GstSidxParserStatus; + +typedef struct _GstSidxParser +{ + GstSidxParserStatus status; + + guint64 size; + guint64 cumulative_entry_size; + guint64 cumulative_pts; + + GstSidxBox sidx; +} GstSidxParser; + +void gst_isoff_sidx_parser_init (GstSidxParser * parser); +void gst_isoff_sidx_parser_clear (GstSidxParser * parser); +GstIsoffParserResult gst_isoff_sidx_parser_add_buffer (GstSidxParser * parser, GstBuffer * buf, guint * consumed); + +G_END_DECLS + +#endif /* __GST_ISOFF_H__ */ + |