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/*
* 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>
#include <gst/base/base.h>
G_BEGIN_DECLS
typedef enum {
GST_ISOFF_PARSER_OK,
GST_ISOFF_PARSER_DONE,
GST_ISOFF_PARSER_UNEXPECTED,
GST_ISOFF_PARSER_ERROR
} GstIsoffParserResult;
gboolean gst_isoff_parse_box_header (GstByteReader * reader, guint32 * type, guint8 extended_type[16], guint * header_size, guint64 * size);
#define GST_ISOFF_FOURCC_UUID GST_MAKE_FOURCC('u','u','i','d')
#define GST_ISOFF_FOURCC_MOOF GST_MAKE_FOURCC('m','o','o','f')
#define GST_ISOFF_FOURCC_MFHD GST_MAKE_FOURCC('m','f','h','d')
#define GST_ISOFF_FOURCC_TFHD GST_MAKE_FOURCC('t','f','h','d')
#define GST_ISOFF_FOURCC_TRUN GST_MAKE_FOURCC('t','r','u','n')
#define GST_ISOFF_FOURCC_TRAF GST_MAKE_FOURCC('t','r','a','f')
#define GST_ISOFF_FOURCC_MDAT GST_MAKE_FOURCC('m','d','a','t')
#define GST_ISOFF_FOURCC_SIDX GST_MAKE_FOURCC('s','i','d','x')
#define GST_ISOFF_SAMPLE_FLAGS_IS_LEADING(flags) (((flags) >> 26) & 0x03)
#define GST_ISOFF_SAMPLE_FLAGS_SAMPLE_DEPENDS_ON(flags) (((flags) >> 24) & 0x03)
#define GST_ISOFF_SAMPLE_FLAGS_SAMPLE_IS_DEPENDED_ON(flags) (((flags) >> 22) & 0x03)
#define GST_ISOFF_SAMPLE_FLAGS_SAMPLE_HAS_REDUNDANCY(flags) (((flags) >> 20) & 0x03)
#define GST_ISOFF_SAMPLE_FLAGS_SAMPLE_PADDING_VALUE(flags) (((flags) >> 17) & 0x07)
#define GST_ISOFF_SAMPLE_FLAGS_SAMPLE_IS_NON_SYNC_SAMPLE(flags) (((flags) >> 16) & 0x01)
#define GST_ISOFF_SAMPLE_FLAGS_SAMPLE_DEGRADATION_PRIORITY(flags) (((flags) >> 0) & 0x0f)
typedef struct _GstMfhdBox
{
guint32 sequence_number;
} GstMfhdBox;
typedef enum
{
GST_TFHD_FLAGS_BASE_DATA_OFFSET_PRESENT = 0x000001,
GST_TFHD_FLAGS_SAMPLE_DESCRIPTION_INDEX_PRESENT = 0x000002,
GST_TFHD_FLAGS_DEFAULT_SAMPLE_DURATION_PRESENT = 0x000008,
GST_TFHD_FLAGS_DEFAULT_SAMPLE_SIZE_PRESENT = 0x000010,
GST_TFHD_FLAGS_DEFAULT_SAMPLE_FLAGS_PRESENT = 0x000020,
GST_TFHD_FLAGS_DURATION_IS_EMPTY = 0x010000,
GST_TFHD_FLAGS_DEFAULT_BASE_IS_MOOF = 0x020000
} GstTfhdFlags;
typedef struct _GstTfhdBox
{
guint8 version;
GstTfhdFlags flags;
guint32 track_id;
/* optional */
guint64 base_data_offset;
guint32 sample_description_index;
guint32 default_sample_duration;
guint32 default_sample_size;
guint32 default_sample_flags;
} GstTfhdBox;
typedef enum
{
GST_TRUN_FLAGS_DATA_OFFSET_PRESENT = 0x000001,
GST_TRUN_FLAGS_FIRST_SAMPLE_FLAGS_PRESENT = 0x000004,
GST_TRUN_FLAGS_SAMPLE_DURATION_PRESENT = 0x000100,
GST_TRUN_FLAGS_SAMPLE_SIZE_PRESENT = 0x000200,
GST_TRUN_FLAGS_SAMPLE_FLAGS_PRESENT = 0x000400,
GST_TRUN_FLAGS_SAMPLE_COMPOSITION_TIME_OFFSETS_PRESENT = 0x000800
} GstTrunFlags;
typedef struct _GstTrunBox
{
guint8 version;
GstTrunFlags flags;
guint32 sample_count;
/* optional */
gint32 data_offset;
guint32 first_sample_flags;
GArray *samples;
} GstTrunBox;
typedef struct _GstTrunSample
{
guint32 sample_duration;
guint32 sample_size;
guint32 sample_flags;
union {
guint32 u; /* version 0 */
gint32 s; /* others */
} sample_composition_time_offset;
} GstTrunSample;
typedef struct _GstTrafBox
{
GstTfhdBox tfhd;
GArray *trun;
} GstTrafBox;
typedef struct _GstMoofBox
{
GstMfhdBox mfhd;
GArray *traf;
} GstMoofBox;
GstMoofBox * gst_isoff_moof_box_parse (GstByteReader *reader);
void gst_isoff_moof_box_free (GstMoofBox *moof);
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__ */
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