| /* |
| * 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__ */ |
| |