box_funcs.c File Reference

#include <gpac/internal/isomedia_dev.h>

Include dependency graph for box_funcs.c:

Data Structures
struct	box_registry_entry

Macros
#define	GF_SKIP_BOX   10
#define	ERR_EXIT(_e)
#define	ISOM_BOX_IMPL_DECL_DUMP(a_name)    GF_Err a_name##_box_dump(GF_Box *a, FILE * trace);
#define	ISOM_BOX_IMPL_DECL_WRITE(a_name)
#define	ISOM_BOX_IMPL_DECL(a_name)
#define	ISOM_BOX_IMPL_DECL_CHILD(a_name)
#define	BOX_DECLARATION(_a, _b, _c, _d, _write, _size, _dump, _g, _h, _i, _j, _k, _l, _m)    { _a, _b, _c, _d, _write, _size, _dump, _g, _h, _i, _j, _k, _l, _m }
#define	BOX_DEFINE(__type, b_rad, __par)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, "p12", GF_FALSE, NULL)
#define	BOX_DEFINE_CHILD(__type, b_rad, __par)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, "p12", GF_FALSE, b_rad##_on_child_box)
#define	BOX_DEFINE_S(__type, b_rad, __par, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, __spec, GF_FALSE, NULL)
#define	BOX_DEFINE_S_CHILD(__type, b_rad, __par, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, __spec, GF_FALSE, b_rad##_on_child_box)
#define	FBOX_DEFINE(__type, b_rad, __par, __max_v)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, "p12", GF_FALSE, NULL)
#define	FBOX_DEFINE_CHILD(__type, b_rad, __par, __max_v)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, "p12", GF_FALSE, b_rad##_on_child_box)
#define	FBOX_DEFINE_FLAGS(__type, b_rad, __par, __max_v, flags)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, flags, __par, "p12", GF_FALSE, NULL)
#define	FBOX_DEFINE_FLAGS_S(__type, b_rad, __par, __max_v, flags, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, flags, __par, __spec, GF_FALSE, NULL)
#define	FBOX_DEFINE_S(__type, b_rad, __par, __max_v, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, __spec, GF_FALSE, NULL)
#define	FBOX_DEFINE_S_CHILD(__type, b_rad, __par, __max_v, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, __spec, GF_FALSE, b_rad##_on_child_box)
#define	TREF_DEFINE(__type, b_rad, __par, __4cc, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, __4cc, 0, 0, __par, __spec, GF_FALSE, NULL)
#define	TRGT_DEFINE(__type, b_rad, __par, __4cc, max_version, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, __4cc, 1+max_version, 0, __par, __spec, GF_FALSE, NULL)
#define	SGPD_DEFINE(__type, b_rad, __par, __4cc, __spec)    BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, __4cc, 1, 0, __par, __spec, GF_FALSE, NULL)
#define	ITUNES_TAG(_val)    BOX_DEFINE_S( _val, ilst_item, "ilst data", "apple")

Functions
GF_Err	gf_isom_parse_root_box (GF_Box **outBox, GF_BitStream *bs, u32 *box_type, u64 *bytesExpected, Bool progressive_mode)
u32	gf_isom_solve_uuid_box (u8 *UUID)
static GF_Err	gf_isom_full_box_read (GF_Box *ptr, GF_BitStream *bs)
GF_EXPORT GF_Err	gf_isom_box_parse_ex (GF_Box **outBox, GF_BitStream *bs, u32 parent_type, Bool is_root_box, u64 parent_size)
GF_EXPORT GF_Err	gf_isom_box_parse (GF_Box **outBox, GF_BitStream *bs)
void	gf_isom_box_array_reset (GF_List *boxlist)
void	gf_isom_box_array_del (GF_List *boxlist)
void	gf_isom_box_array_reset_parent (GF_List **child_boxes, GF_List *boxlist)
void	gf_isom_box_array_del_parent (GF_List **child_boxes, GF_List *boxlist)
GF_EXPORT GF_Err	gf_isom_box_write_header (GF_Box *ptr, GF_BitStream *bs)
GF_Err	gf_isom_full_box_write (GF_Box *s, GF_BitStream *bs)
GF_Err	gf_isom_box_array_write (GF_Box *parent, GF_List *list, GF_BitStream *bs)
GF_Err	gf_isom_box_array_size (GF_Box *parent, GF_List *list)
GF_Box *	unkn_box_new ()
void	unkn_box_del (GF_Box *)
GF_Err	unkn_box_read (GF_Box *s, GF_BitStream *bs)
GF_Err	unkn_box_write (GF_Box *s, GF_BitStream *bs)
GF_Err	unkn_box_size (GF_Box *s)
GF_Err	unkn_box_dump (GF_Box *a, FILE *trace)
	ISOM_BOX_IMPL_DECL (boxstring)
Bool	gf_box_valid_in_parent (GF_Box *a, const char *parent_4cc)
GF_EXPORT u32	gf_isom_get_num_supported_boxes ()
void	gf_isom_registry_disable (u32 boxCode, Bool disable)
static u32	get_box_reg_idx (u32 boxCode, u32 parent_type, u32 start_from)
GF_Box *	gf_isom_box_new_ex (u32 boxType, u32 parentType, Bool skip_logs, Bool is_root_box, Bool is_uuid)
GF_EXPORT GF_Box *	gf_isom_box_new (u32 boxType)
GF_Err	gf_isom_box_array_read (GF_Box *parent, GF_BitStream *bs)
GF_EXPORT void	gf_isom_box_del (GF_Box *a)
GF_Err	gf_isom_box_read (GF_Box *a, GF_BitStream *bs)
GF_Err	gf_isom_box_write_listing (GF_Box *a, GF_BitStream *bs)
void	gf_isom_check_position (GF_Box *s, GF_Box *child, u32 *pos)
void	gf_isom_check_position_list (GF_Box *s, GF_List *childlist, u32 *pos)
GF_EXPORT GF_Err	gf_isom_box_write (GF_Box *a, GF_BitStream *bs)
static GF_Err	gf_isom_box_size_listing (GF_Box *a)
GF_EXPORT GF_Err	gf_isom_box_size (GF_Box *a)
GF_EXPORT GF_Err	gf_isom_dump_supported_box (u32 idx, FILE *trace)
GF_EXPORT u32	gf_isom_get_supported_box_type (u32 idx)
GF_Err	gf_isom_box_dump_start_ex (GF_Box *a, const char *name, FILE *trace, Bool force_version, const char *spec, const char *container)
GF_Err	gf_isom_box_dump_start (GF_Box *a, const char *name, FILE *trace)
GF_Err	gf_isom_box_dump_ex (void *ptr, FILE *trace, Bool subtree_root)
GF_Err	gf_isom_box_dump (void *ptr, FILE *trace)
void	gf_isom_box_dump_done (const char *name, GF_Box *ptr, FILE *trace)
Bool	gf_isom_box_is_file_level (GF_Box *s)
GF_EXPORT GF_Box *	gf_isom_box_find_child (GF_List *children, u32 code)
Bool	gf_isom_box_check_unique (GF_List *children, GF_Box *a)
GF_EXPORT void	gf_isom_box_del_parent (GF_List **child_boxes, GF_Box *b)
void	gf_isom_box_remove_from_parent (GF_Box *parent_box, GF_Box *box)
GF_Box *	gf_isom_box_new_parent (GF_List **parent, u32 code)
void	gf_isom_box_freeze_order (GF_Box *box)

Variables
u64	unused_bytes = 0
static struct box_registry_entry	box_registry []

Macro Definition Documentation

GF_SKIP_BOX

#define GF_SKIP_BOX   10

ERR_EXIT

#define ERR_EXIT

(

_e

)

Value:

                { \
                if (uncomp_bs) {\
                        gf_free(uncomp_data);\
                        gf_bs_del(uncomp_bs); \
                }\
                return _e;\
        }

ISOM_BOX_IMPL_DECL_DUMP

#define ISOM_BOX_IMPL_DECL_DUMP

(

a_name

)

GF_Err a_name##_box_dump(GF_Box *a, FILE * trace);

ISOM_BOX_IMPL_DECL_WRITE

#define ISOM_BOX_IMPL_DECL_WRITE

(

a_name

)

Value:

                GF_Err a_name##_box_write(GF_Box *s, GF_BitStream *bs); \
                GF_Err a_name##_box_size(GF_Box *s);

ISOM_BOX_IMPL_DECL

#define ISOM_BOX_IMPL_DECL

(

a_name

)

Value:

                GF_Box * a_name##_box_new(); \
                void a_name##_box_del(GF_Box *); \
                GF_Err a_name##_box_read(GF_Box *s, GF_BitStream *bs); \
                ISOM_BOX_IMPL_DECL_WRITE(a_name) \
                ISOM_BOX_IMPL_DECL_DUMP(a_name) \

ISOM_BOX_IMPL_DECL_CHILD

#define ISOM_BOX_IMPL_DECL_CHILD

(

a_name

)

Value:

                ISOM_BOX_IMPL_DECL(a_name)\
                ISOM_BOX_IMPL_DECL_DUMP(a_name) \
                GF_Err a_name##_on_child_box(GF_Box *s, GF_Box *a, Bool is_rem);\

BOX_DECLARATION

#define BOX_DECLARATION	(		_a,
			_b,
			_c,
			_d,
			_write,
			_size,
			_dump,
			_g,
			_h,
			_i,
			_j,
			_k,
			_l,
			_m
	)		{ _a, _b, _c, _d, _write, _size, _dump, _g, _h, _i, _j, _k, _l, _m }

ISMACryp functions

BOX_DEFINE

#define BOX_DEFINE	(		__type,
			b_rad,
			__par
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, "p12", GF_FALSE, NULL)

BOX_DEFINE_CHILD

#define BOX_DEFINE_CHILD	(		__type,
			b_rad,
			__par
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, "p12", GF_FALSE, b_rad##_on_child_box)

BOX_DEFINE_S

#define BOX_DEFINE_S	(		__type,
			b_rad,
			__par,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, __spec, GF_FALSE, NULL)

BOX_DEFINE_S_CHILD

#define BOX_DEFINE_S_CHILD	(		__type,
			b_rad,
			__par,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 0, 0, __par, __spec, GF_FALSE, b_rad##_on_child_box)

FBOX_DEFINE

#define FBOX_DEFINE	(		__type,
			b_rad,
			__par,
			__max_v
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, "p12", GF_FALSE, NULL)

FBOX_DEFINE_CHILD

#define FBOX_DEFINE_CHILD	(		__type,
			b_rad,
			__par,
			__max_v
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, "p12", GF_FALSE, b_rad##_on_child_box)

FBOX_DEFINE_FLAGS

#define FBOX_DEFINE_FLAGS	(		__type,
			b_rad,
			__par,
			__max_v,
			flags
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, flags, __par, "p12", GF_FALSE, NULL)

FBOX_DEFINE_FLAGS_S

#define FBOX_DEFINE_FLAGS_S	(		__type,
			b_rad,
			__par,
			__max_v,
			flags,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, flags, __par, __spec, GF_FALSE, NULL)

FBOX_DEFINE_S

#define FBOX_DEFINE_S	(		__type,
			b_rad,
			__par,
			__max_v,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, __spec, GF_FALSE, NULL)

FBOX_DEFINE_S_CHILD

#define FBOX_DEFINE_S_CHILD	(		__type,
			b_rad,
			__par,
			__max_v,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, 0, 1+__max_v, 0, __par, __spec, GF_FALSE, b_rad##_on_child_box)

TREF_DEFINE

#define TREF_DEFINE	(		__type,
			b_rad,
			__par,
			__4cc,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, __4cc, 0, 0, __par, __spec, GF_FALSE, NULL)

TRGT_DEFINE

#define TRGT_DEFINE	(		__type,
			b_rad,
			__par,
			__4cc,
			max_version,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, __4cc, 1+max_version, 0, __par, __spec, GF_FALSE, NULL)

SGPD_DEFINE

#define SGPD_DEFINE	(		__type,
			b_rad,
			__par,
			__4cc,
			__spec
	)		BOX_DECLARATION(__type, b_rad##_box_new, b_rad##_box_del, b_rad##_box_read, b_rad##_box_write, b_rad##_box_size, b_rad##_box_dump, __4cc, 1, 0, __par, __spec, GF_FALSE, NULL)

ITUNES_TAG

#define ITUNES_TAG

(

_val

)

BOX_DEFINE_S( _val, ilst_item, "ilst data", "apple")

Function Documentation

gf_isom_parse_root_box()

GF_Err gf_isom_parse_root_box	(	GF_Box **	outBox,
		GF_BitStream *	bs,
		u32 *	box_type,
		u64 *	bytesExpected,
		Bool	progressive_mode
	)

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gf_isom_solve_uuid_box()

u32 gf_isom_solve_uuid_box

(

u8 *

UUID

)

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gf_isom_full_box_read()

static GF_Err gf_isom_full_box_read ( GF_Box *  ptr, GF_BitStream *  bs  )

static

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gf_isom_box_parse_ex()

GF_EXPORT GF_Err gf_isom_box_parse_ex	(	GF_Box **	outBox,
		GF_BitStream *	bs,
		u32	parent_type,
		Bool	is_root_box,
		u64	parent_size
	)

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gf_isom_box_parse()

GF_EXPORT GF_Err gf_isom_box_parse	(	GF_Box **	outBox,
		GF_BitStream *	bs
	)

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gf_isom_box_array_reset()

void gf_isom_box_array_reset

(

GF_List *

boxlist

)

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gf_isom_box_array_del()

void gf_isom_box_array_del

(

GF_List *

boxlist

)

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gf_isom_box_array_reset_parent()

void gf_isom_box_array_reset_parent	(	GF_List **	child_boxes,
		GF_List *	boxlist
	)

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gf_isom_box_array_del_parent()

void gf_isom_box_array_del_parent	(	GF_List **	child_boxes,
		GF_List *	boxlist
	)

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gf_isom_box_write_header()

GF_EXPORT GF_Err gf_isom_box_write_header	(	GF_Box *	ptr,
		GF_BitStream *	bs
	)

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gf_isom_full_box_write()

GF_Err gf_isom_full_box_write	(	GF_Box *	s,
		GF_BitStream *	bs
	)

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gf_isom_box_array_write()

GF_Err gf_isom_box_array_write	(	GF_Box *	parent,
		GF_List *	list,
		GF_BitStream *	bs
	)

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gf_isom_box_array_size()

GF_Err gf_isom_box_array_size	(	GF_Box *	parent,
		GF_List *	list
	)

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unkn_box_new()

GF_Box * unkn_box_new

(

)

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unkn_box_del()

void unkn_box_del

(

GF_Box *

s

)

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unkn_box_read()

GF_Err unkn_box_read	(	GF_Box *	s,
		GF_BitStream *	bs
	)

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unkn_box_write()

GF_Err unkn_box_write	(	GF_Box *	s,
		GF_BitStream *	bs
	)

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unkn_box_size()

GF_Err unkn_box_size

(

GF_Box *

s

)

unkn_box_dump()

GF_Err unkn_box_dump	(	GF_Box *	a,
		FILE *	trace
	)

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ISOM_BOX_IMPL_DECL()

ISOM_BOX_IMPL_DECL

(

boxstring

)

gf_box_valid_in_parent()

Bool gf_box_valid_in_parent	(	GF_Box *	a,
		const char *	parent_4cc
	)

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gf_isom_registry_disable()

void gf_isom_registry_disable	(	u32	boxCode,
		Bool	disable
	)

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get_box_reg_idx()

static u32 get_box_reg_idx ( u32  boxCode, u32  parent_type, u32  start_from  )

static

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gf_isom_box_new_ex()

GF_Box * gf_isom_box_new_ex	(	u32	boxType,
		u32	parentType,
		Bool	skip_logs,
		Bool	is_root_box,
		Bool	is_uuid
	)

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gf_isom_box_new()

GF_EXPORT GF_Box * gf_isom_box_new

(

u32

boxType

)

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gf_isom_box_array_read()

GF_Err gf_isom_box_array_read	(	GF_Box *	parent,
		GF_BitStream *	bs
	)

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gf_isom_box_del()

GF_EXPORT void gf_isom_box_del

(

GF_Box *

a

)

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gf_isom_box_read()

GF_Err gf_isom_box_read	(	GF_Box *	a,
		GF_BitStream *	bs
	)

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gf_isom_box_write_listing()

GF_Err gf_isom_box_write_listing	(	GF_Box *	a,
		GF_BitStream *	bs
	)

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gf_isom_check_position()

void gf_isom_check_position	(	GF_Box *	s,
		GF_Box *	child,
		u32 *	pos
	)

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gf_isom_check_position_list()

void gf_isom_check_position_list	(	GF_Box *	s,
		GF_List *	childlist,
		u32 *	pos
	)

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gf_isom_box_write()

GF_EXPORT GF_Err gf_isom_box_write	(	GF_Box *	a,
		GF_BitStream *	bs
	)

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gf_isom_box_size_listing()

static GF_Err gf_isom_box_size_listing ( GF_Box *  a )

static

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gf_isom_box_size()

GF_EXPORT GF_Err gf_isom_box_size

(

GF_Box *

a

)

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gf_isom_box_dump_start_ex()

GF_Err gf_isom_box_dump_start_ex	(	GF_Box *	a,
		const char *	name,
		FILE *	trace,
		Bool	force_version,
		const char *	spec,
		const char *	container
	)

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gf_isom_box_dump_start()

GF_Err gf_isom_box_dump_start	(	GF_Box *	a,
		const char *	name,
		FILE *	trace
	)

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gf_isom_box_dump_ex()

GF_Err gf_isom_box_dump_ex	(	void *	ptr,
		FILE *	trace,
		Bool	subtree_root
	)

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gf_isom_box_dump()

GF_Err gf_isom_box_dump	(	void *	ptr,
		FILE *	trace
	)

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gf_isom_box_dump_done()

void gf_isom_box_dump_done	(	const char *	name,
		GF_Box *	ptr,
		FILE *	trace
	)

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gf_isom_box_is_file_level()

Bool gf_isom_box_is_file_level

(

GF_Box *

s

)

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gf_isom_box_find_child()

GF_EXPORT GF_Box * gf_isom_box_find_child	(	GF_List *	children,
		u32	code
	)

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gf_isom_box_check_unique()

Bool gf_isom_box_check_unique	(	GF_List *	children,
		GF_Box *	a
	)

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gf_isom_box_del_parent()

GF_EXPORT void gf_isom_box_del_parent	(	GF_List **	child_boxes,
		GF_Box *	b
	)

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gf_isom_box_remove_from_parent()

void gf_isom_box_remove_from_parent	(	GF_Box *	parent_box,
		GF_Box *	box
	)

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gf_isom_box_new_parent()

GF_Box * gf_isom_box_new_parent	(	GF_List **	parent,
		u32	code
	)

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gf_isom_box_freeze_order()

void gf_isom_box_freeze_order

(

GF_Box *

box

)

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Variable Documentation

unused_bytes

u64 unused_bytes = 0

box_registry

struct box_registry_entry box_registry[]

static