loader_bt.c File Reference

#include <gpac/scene_manager.h>
#include <gpac/utf.h>
#include <gpac/constants.h>
#include <gpac/internal/bifs_dev.h>
#include <gpac/internal/scenegraph_dev.h>
#include <gpac/nodes_x3d.h>
#include <gpac/user.h>
#include <gpac/mpeg4_odf.h>
#include <zlib.h>

Include dependency graph for loader_bt.c:

Data Structures
struct	BTDefSymbol
struct	GF_BTParser

Macros
#define	BT_LINE_SIZE   4000
#define	BT_STR_CHECK_ALLOC

Functions
void	gf_sm_update_bitwrapper_buffer (GF_Node *node, const char *fileName)
void	load_bt_done (GF_SceneLoader *load)
GF_Err	gf_bt_parse_bifs_command (GF_BTParser *parser, char *name, GF_List *cmdList)
GF_Route *	gf_bt_parse_route (GF_BTParser *parser, Bool skip_def, Bool is_insert, GF_Command *com)
void	gf_bt_resolve_routes (GF_BTParser *parser, Bool clean)
GF_Node *	gf_bt_peek_node (GF_BTParser *parser, char *defID)
static GF_Err	gf_bt_report (GF_BTParser *parser, GF_Err e, char *format,...)
GF_Node *	gf_bt_new_node (GF_BTParser *parser, u32 tag)
void	gf_bt_check_line (GF_BTParser *parser)
void	gf_bt_force_line (GF_BTParser *parser)
Bool	gf_bt_check_code (GF_BTParser *parser, char code)
char *	gf_bt_get_next (GF_BTParser *parser, Bool point_break)
char *	gf_bt_get_string (GF_BTParser *parser, u8 string_delim)
Bool	gf_bt_check_externproto_field (GF_BTParser *parser, char *str)
static Bool	check_keyword (GF_BTParser *parser, char *str, s32 *val)
GF_Err	gf_bt_parse_float (GF_BTParser *parser, const char *name, Fixed *val)
GF_Err	gf_bt_parse_double (GF_BTParser *parser, const char *name, SFDouble *val)
GF_Err	gf_bt_parse_int (GF_BTParser *parser, const char *name, SFInt32 *val)
GF_Err	gf_bt_parse_bool (GF_BTParser *parser, const char *name, SFBool *val)
GF_Err	gf_bt_parse_color (GF_BTParser *parser, const char *name, SFColor *col)
GF_Err	gf_bt_parse_colorRGBA (GF_BTParser *parser, const char *name, SFColorRGBA *col)
static void	gf_bt_offset_time (GF_BTParser *parser, Double *time)
static void	gf_bt_check_time_offset (GF_BTParser *parser, GF_Node *n, GF_FieldInfo *info)
static void	gf_bt_update_timenode (GF_BTParser *parser, GF_Node *node)
void	gf_bt_sffield (GF_BTParser *parser, GF_FieldInfo *info, GF_Node *n)
void	gf_bt_mffield (GF_BTParser *parser, GF_FieldInfo *info, GF_Node *n)
Bool	gf_bt_check_ndt (GF_BTParser *parser, GF_FieldInfo *info, GF_Node *node, GF_Node *parent)
u32	gf_bt_get_next_node_id (GF_BTParser *parser)
u32	gf_bt_get_next_route_id (GF_BTParser *parser)
u32	gf_bt_get_next_proto_id (GF_BTParser *parser)
u32	gf_bt_get_def_id (GF_BTParser *parser, char *defName)
Bool	gf_bt_set_field_is (GF_BTParser *parser, GF_FieldInfo *info, GF_Node *n)
void	gf_bt_check_unresolved_nodes (GF_BTParser *parser)
Bool	gf_bt_has_been_def (GF_BTParser *parser, char *node_name)
u32	gf_bt_get_node_tag (GF_BTParser *parser, char *node_name)
GF_Node *	gf_bt_sf_node (GF_BTParser *parser, char *node_name, GF_Node *parent, char *szDEFName)
u32	gf_bt_get_route (GF_BTParser *parser, char *name)
Bool	gf_bt_route_id_used (GF_BTParser *parser, u32 ID)
static u32	get_evt_type (char *eventName)
GF_Err	gf_bt_parse_proto (GF_BTParser *parser, char *proto_code, GF_List *proto_list)
static void	bd_set_com_node (GF_Command *com, GF_Node *node)
GF_Descriptor *	gf_bt_parse_descriptor (GF_BTParser *parser, char *name)
GF_IPMPX_Data *	gf_bt_parse_ipmpx (GF_BTParser *parser, char *name)
static void	gf_bt_add_desc (GF_BTParser *parser, GF_Descriptor *par, GF_Descriptor *child, char *fieldName)
void	gf_bt_parse_od_command (GF_BTParser *parser, char *name)
GF_Err	gf_bt_loader_run_intern (GF_BTParser *parser, GF_Command *init_com, Bool initial_run)
static GF_Err	gf_sm_load_bt_initialize (GF_SceneLoader *load, const char *str, Bool input_only)
GF_Err	load_bt_run (GF_SceneLoader *load)
GF_Err	load_bt_parse_string (GF_SceneLoader *load, const char *str)
GF_Err	load_bt_suspend (GF_SceneLoader *load, Bool suspend)
GF_Err	gf_sm_load_init_bt (GF_SceneLoader *load)
GF_List *	gf_sm_load_bt_from_string (GF_SceneGraph *in_scene, char *node_str, Bool force_wrl)

---

Data Structure Documentation

struct BTDefSymbol

Collaboration diagram for BTDefSymbol:

Data Fields
char *	name
char *	value

struct GF_BTParser

Collaboration diagram for GF_BTParser:

Data Fields
GF_SceneLoader *	load
Bool	initialized
gzFile	gz_in
u32	file_size
u32	file_pos
GF_List *	top_nodes
GF_Err	last_error
u32	line
Bool	done
Bool	in_com
u32	is_wrl
u32	unicode_type
GF_List *	def_symbols
GF_List *	unresolved_routes
GF_List *	inserted_routes
GF_List *	peeked_nodes
GF_List *	undef_nodes
GF_List *	def_nodes
char *	line_buffer
char	cur_buffer[500]
s32	line_size
s32	line_pos
s32	line_start_pos
u32	block_comment
GF_Proto *	parsing_proto
Bool	is_extern_proto_field
u32	stream_id
u32	au_time
Bool	au_is_rap
GF_StreamContext *	bifs_es
GF_AUContext *	bifs_au
u32	base_bifs_id
GF_Command *	cur_com
GF_StreamContext *	od_es
GF_AUContext *	od_au
u32	base_od_id
GF_List *	scripts

Macro Definition Documentation

#define BT_LINE_SIZE   4000

#define BT_STR_CHECK_ALLOC

Value:

if (i==size) {          \
                        res = (char*)gf_realloc(res, sizeof(char) * (size+500+1));      \
                        size += 500;    \
                }       \

Function Documentation

void gf_sm_update_bitwrapper_buffer	(	GF_Node *	node,
		const char *	fileName
	)

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void load_bt_done

(

GF_SceneLoader *

load

)

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GF_Err gf_bt_parse_bifs_command	(	GF_BTParser *	parser,
		char *	name,
		GF_List *	cmdList
	)

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GF_Route * gf_bt_parse_route	(	GF_BTParser *	parser,
		Bool	skip_def,
		Bool	is_insert,
		GF_Command *	com
	)

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void gf_bt_resolve_routes	(	GF_BTParser *	parser,
		Bool	clean
	)

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GF_Node * gf_bt_peek_node	(	GF_BTParser *	parser,
		char *	defID
	)

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static GF_Err gf_bt_report ( GF_BTParser *  parser, GF_Err  e, char *  format,   ...  )

static

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GF_Node* gf_bt_new_node	(	GF_BTParser *	parser,
		u32	tag
	)

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void gf_bt_check_line

(

GF_BTParser *

parser

)

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void gf_bt_force_line

(

GF_BTParser *

parser

)

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Bool gf_bt_check_code	(	GF_BTParser *	parser,
		char	code
	)

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char* gf_bt_get_next	(	GF_BTParser *	parser,
		Bool	point_break
	)

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char* gf_bt_get_string	(	GF_BTParser *	parser,
		u8	string_delim
	)

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Bool gf_bt_check_externproto_field	(	GF_BTParser *	parser,
		char *	str
	)

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static Bool check_keyword ( GF_BTParser *  parser, char *  str, s32 *  val  )

static

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GF_Err gf_bt_parse_float	(	GF_BTParser *	parser,
		const char *	name,
		Fixed *	val
	)

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GF_Err gf_bt_parse_double	(	GF_BTParser *	parser,
		const char *	name,
		SFDouble *	val
	)

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GF_Err gf_bt_parse_int	(	GF_BTParser *	parser,
		const char *	name,
		SFInt32 *	val
	)

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GF_Err gf_bt_parse_bool	(	GF_BTParser *	parser,
		const char *	name,
		SFBool *	val
	)

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GF_Err gf_bt_parse_color	(	GF_BTParser *	parser,
		const char *	name,
		SFColor *	col
	)

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GF_Err gf_bt_parse_colorRGBA	(	GF_BTParser *	parser,
		const char *	name,
		SFColorRGBA *	col
	)

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static void gf_bt_offset_time ( GF_BTParser *  parser, Double *  time  )

static

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static void gf_bt_check_time_offset ( GF_BTParser *  parser, GF_Node *  n, GF_FieldInfo *  info  )

static

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static void gf_bt_update_timenode ( GF_BTParser *  parser, GF_Node *  node  )

static

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void gf_bt_sffield	(	GF_BTParser *	parser,
		GF_FieldInfo *	info,
		GF_Node *	n
	)

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void gf_bt_mffield	(	GF_BTParser *	parser,
		GF_FieldInfo *	info,
		GF_Node *	n
	)

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Bool gf_bt_check_ndt	(	GF_BTParser *	parser,
		GF_FieldInfo *	info,
		GF_Node *	node,
		GF_Node *	parent
	)

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u32 gf_bt_get_next_node_id

(

GF_BTParser *

parser

)

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u32 gf_bt_get_next_route_id

(

GF_BTParser *

parser

)

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u32 gf_bt_get_next_proto_id

(

GF_BTParser *

parser

)

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u32 gf_bt_get_def_id	(	GF_BTParser *	parser,
		char *	defName
	)

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Bool gf_bt_set_field_is	(	GF_BTParser *	parser,
		GF_FieldInfo *	info,
		GF_Node *	n
	)

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void gf_bt_check_unresolved_nodes

(

GF_BTParser *

parser

)

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Bool gf_bt_has_been_def	(	GF_BTParser *	parser,
		char *	node_name
	)

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u32 gf_bt_get_node_tag	(	GF_BTParser *	parser,
		char *	node_name
	)

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GF_Node* gf_bt_sf_node	(	GF_BTParser *	parser,
		char *	node_name,
		GF_Node *	parent,
		char *	szDEFName
	)

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u32 gf_bt_get_route	(	GF_BTParser *	parser,
		char *	name
	)

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Bool gf_bt_route_id_used	(	GF_BTParser *	parser,
		u32	ID
	)

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static u32 get_evt_type ( char *  eventName )

static

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GF_Err gf_bt_parse_proto	(	GF_BTParser *	parser,
		char *	proto_code,
		GF_List *	proto_list
	)

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static void bd_set_com_node ( GF_Command *  com, GF_Node *  node  )

static

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GF_Descriptor * gf_bt_parse_descriptor	(	GF_BTParser *	parser,
		char *	name
	)

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GF_IPMPX_Data* gf_bt_parse_ipmpx	(	GF_BTParser *	parser,
		char *	name
	)

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static void gf_bt_add_desc ( GF_BTParser *  parser, GF_Descriptor *  par, GF_Descriptor *  child, char *  fieldName  )

static

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void gf_bt_parse_od_command	(	GF_BTParser *	parser,
		char *	name
	)

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GF_Err gf_bt_loader_run_intern	(	GF_BTParser *	parser,
		GF_Command *	init_com,
		Bool	initial_run
	)

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static GF_Err gf_sm_load_bt_initialize ( GF_SceneLoader *  load, const char *  str, Bool  input_only  )

static

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GF_Err load_bt_run

(

GF_SceneLoader *

load

)

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GF_Err load_bt_parse_string	(	GF_SceneLoader *	load,
		const char *	str
	)

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GF_Err load_bt_suspend	(	GF_SceneLoader *	load,
		Bool	suspend
	)

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GF_Err gf_sm_load_init_bt

(

GF_SceneLoader *

load

)

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GF_List* gf_sm_load_bt_from_string	(	GF_SceneGraph *	in_scene,
		char *	node_str,
		Bool	force_wrl
	)

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