ifo-spec.bfmt

MAIN
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
ifo_type		CHAR[12]	IFO_TYPE
ifo		{ifo_type}

VMGI
name	offset	type	trans- lation	value	pname	ptype
vmg_last_sector		UI32
zero_1		SKIPBYTE[12]
ifo_last_sector		UI32
version		IFO_VERSION
category0		SKIPBYTE
prohibited_region_mask		BITVECTOR[8]
category2_3		SKIPBYTE[2]
vmg_num_volumes		UI16
vmg_this_volume_num		UI16
disc_side		UI8
zero_3		SKIPBYTE[19]
vmg_num_title_sets		UI8[2]
provider_identifier		CHAR[32]
vmg_pos_code		UI8[8]
zero_4		SKIPBYTE[24]
vmgi_last_byte		UI32
fp_pgc_start_byte		UI32
zero_5		SKIPBYTE[56]
vmgm_vobs_start_sector		UI32
vmg_tt_srpt_start_sector		UI32
vmgm_pgci_ut_start_sector		UI32
vmg_ptl_mait_start_sector		UI32
vmg_vts_atrt_start_sector		UI32
vmg_txtdt_mg_start_sector		UI32
vmgm_c_adt_start_sector		UI32
vmgm_vobu_admap_start_sector		UI32
unknown_data1		SKIPBYTE[32]
vmgm_vobs_media_attributes		MEDIA_ATTRIBUTES1
fp_pgc	fp_pgc_start_byte	PGC
vmg_tt_srpt	vmg_tt_srpt_start_sector*2048	TT_SRPT
vmgm_pgci_ut	vmgm_pgci_ut_start_sector*2048	PGCI_UT
vmg_vts_atrt	vmg_vts_atrt_start_sector*2048	VMG_VTS_ATRT
vmg_c_adt	vmgm_c_adt_start_sector*2048	C_ADT
vmg_vob_admap	vmgm_vobu_admap_start_sector*2048	VOBU_ADMAP

VTSI
name	offset	type	trans- lation	value	pname	ptype
vts_last_sector		UI32
zero_1		SKIPBYTE[12]
ifo_last_sector		UI32
version		IFO_VERSION
category		UI32	VTS_CATEGORY
vmg_num_volumes		UI16
vmg_this_volume_num		UI16
disc_side		UI8
zero_3		SKIPBYTE[19]
vmg_num_title_sets		UI8[2]
provider_identifier		CHAR[32]
vmg_pos_code		UI8[8]
zero_4		SKIPBYTE[24]
mat_last_byte		UI32
fp_pgc_start_byte		UI32
zero_5		SKIPBYTE[56]
menu_vob_start_sector		UI32
title_vob_start_sector		UI32
vts_ptt_srpt_start_sector		UI32
vts_pgcit_start_sector		UI32
vts_pgci_ut_start_sector		UI32
vts_tmapti_start_sector		UI32
vtsm_c_adt_start_sector		UI32
vtsm_vobu_admap_start_sector		UI32
vts_c_adt_start_sector		UI32
vts_vobu_admap_start_sector		UI32
unknown_data1		SKIPBYTE[24]
vtsm_vobs_media_attributes		MEDIA_ATTRIBUTES1
reserved		SKIPBYTE[164]
vts_vobs_media_attributes		MEDIA_ATTRIBUTES2
fp_pgc	fp_pgc_start_byte	PGC
vts_ptt_srpt	vts_ptt_srpt_start_sector*2048	PTT_SRPT
vts_pgcit	vts_pgcit_start_sector*2048	PGCIT
vts_pgci_ut	vts_pgci_ut_start_sector*2048	PGCI_UT
vts_tmapti	vts_tmapti_start_sector*2048	TMAPTI
vtsm_c_adt	vtsm_c_adt_start_sector*2048	C_ADT
vtsm_vob_admap	vtsm_vobu_admap_start_sector*2048	VOBU_ADMAP
vts_c_adt	vts_c_adt_start_sector*2048	C_ADT
vts_vob_admap	vts_vobu_admap_start_sector*2048	VOBU_ADMAP

Translation: IFO_TYPE
from	to
DVDVIDEO-VMG	VMGI
DVDVIDEO-VTS	VTSI

Translation: VTS_CATEGORY
from	to
0	normal
1	karaoke

IFO_VERSION
name	offset	type	trans- lation	value	pname	ptype
reserved		SKIPBYTE
major		UB[4]
minor		UB[4]

MEDIA_ATTRIBUTES1
name	offset	type	trans- lation	value	pname	ptype
video_attributes		VIDEO_ATTRIBUTES
num_audio_streams		UI16
audio_attributes		AUDIO_ATTRIBUTES[8,num_audio_streams]
reserved		SKIPBYTE[16]
num_sub_picture_streams		UI16
sub_picure_stream_attributes		SUB_PICTURE_STREAM_ATTRIBUTES

PGC
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
unknown1		UI16
num_programs		UI8
num_cells		UI8
playback_time		BCD_TIME
prohibited_user_operations		BITVECTOR[32]	UOP
audio_stream_status		AUDIO_STREAM_STATUS[8]
sub_picture_stream_status		SUBPICTURE_STREAM_STATUS[32]
next_pgc_number		UI16
previous_pgc_number		UI16
go_up_pgc_number		UI16
still_time		UI8
pg_playback_mode		UI8
pallete		YUVCOLORB32[16]
pgc_command_table_start_byte		UI16			pgc_command_table	PGC_COMMAND_TABLE
pgc_program_map_start_byte		UI16			pgc_program_map	PGC_PROGRAM_MAP[num_programs]
cell_playback_information_table_start_byte		UI16			cell_playback_it	CELL_PLAYBACK_IT[num_cells]
cell_position_information_table_start_byte		UI16			cell_position_it	CELL_POSITION_IT[num_cells]

TT_SRPT
name	offset	type	trans- lation	value	pname	ptype
num_title_unit_search_pointers		UI16
zero1		SKIPBYTE[2]
ptt_srpt_end_byte		UI32
ttu		TTU[num_title_unit_search_pointers]

PGCI_UT
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
num_pgci_lu		UI16
unused		SKIPBYTE[2]
pgci_lu_table_end_byte		UI32
pgci_lu		PGCI_LU[num_pgci_lu]

VMG_VTS_ATRT
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
num_vts_atr		UI16
reserved		UI16
table_end_byte		UI32
start_bytes		UI32[num_vts_atr]			vts_atr	VTS_ATR

C_ADT
name	offset	type	trans- lation	value	pname	ptype
num_cells		UI16
reserved		UI16
end_address		UI32
cells		C_ADT_CELL[int((end_address - 7 )/12)]

VOBU_ADMAP
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
end_address		UI32
vobu_start_sectors		UI32[(end_address-3)/4]

MEDIA_ATTRIBUTES2
name	offset	type	trans- lation	value	pname	ptype
video_attributes		VIDEO_ATTRIBUTES
num_audio_streams		UI16
audio_attributes		AUDIO_ATTRIBUTES[8,num_audio_streams]
reserved		SKIPBYTE[16]
num_sub_picture_streams		UI16
sub_picure_stream_attributes		SUB_PICTURE_STREAM_ATTRIBUTES[32,num_sub_picture_streams]
multichannel_extenstion		KARAOKE_EXTENSION

PTT_SRPT
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
num_titles		UI16
zero1		SKIPBYTE[2]
end_byte		UI32
ptt_offsets		UI32[num_titles]
ptt		PTT[(int(end_byte+1 - 8 )/4) - num_titles]

PGCIT
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
num_pgci_srp		UI16
reserved1		UI16
pgcit_end_byte		UI32
pgci_srp		PGCI_SRP[num_pgci_srp]

TMAPTI
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
num_tmaps		UI16
reserved1		UI16
tmaps_end_byte		UI32
tmaps_start_bytes		UI32[num_tmaps]			tmaps	TMAP

Translation: UOP
from	to
0	TIME_PLAY
1	PTT_PLAY
10	MENU_TITLE
11	MENU_ROOT
12	MENU_SUBPICTURE
13	MENU_AUDIO
14	MENU_ANGLE
15	MENU_PTT
16	RESUME
17	ACTIVATE
18	STILL_OFF
19	PAUSE
2	TITLE_PLAY
20	AUDIO_STREAM_CHANGE
21	SUBPICTURE_STREAM_CHANGE
22	ANGLE_CHANGE
23	KARAOKE_MIX_CHANGE
24	PRESENTATION_MODE_CHANGE
3	STOP
4	GO_UP
5	TIME_PTT_SEARCH
6	PREV_PG
7	NEXT_PG
8	FORWARD
9	BACKWARD

VIDEO_ATTRIBUTES
name	offset	type	trans- lation	value	pname	ptype
coding		UB[2]	VIDEO_CODING
standard		UB[2]	VIDEO_STANDARD
aspect		UB[2]	VIDEO_ASPECT
disallow_auto_panscan		UB
disallow_auto_letterbox		UB
cc1		UB
cc2		UB
unknown		UB
bit_rate		UB	VIDEO_BITRATE
resolution		UB[2]
letterboxed		UB
film		UB

AUDIO_ATTRIBUTES
name	offset	type	trans- lation	value	pname	ptype
coding		UB[3]
multi_ext		UB
lang_type		UB[2]
app_mode		UB[2]
quantization		UB[2]
sample_rate		UB[2]
reserved		UB
channels		UB[3]
lang_code		CHAR[2]
lang_ext		UI16
unknown		UI8
app_info		UI8

SUB_PICTURE_STREAM_ATTRIBUTES
name	offset	type	trans- lation	value	pname	ptype
type		UI8
zero1		SKIPBYTE
lang_code		UI8[2]
lang_ext		UI8
zero2		SKIPBYTE

BCD_TIME
name	offset	type	trans- lation	value	pname	ptype
hour		HEXDATA
minute		HEXDATA
second		HEXDATA
fps		UB[2]	FPSN
frame		HEXBITS[6]

AUDIO_STREAM_STATUS
name	offset	type	trans- lation	value	pname	ptype
available		UB
reserved		SKIPBITS[4]
stream_number		UB[3]
reserved2		SKIPBYTE

SUBPICTURE_STREAM_STATUS
name	offset	type	trans- lation	value	pname	ptype
available		UB
reserved		SKIPBITS[2]
stream_number		UB[5]
unknown		HEXDATA[3]

YUVCOLORB32
name	offset	type	trans- lation	value	pname	ptype
z		UI8
Y		UI8
U		UI8
V		UI8

PGC_COMMAND_TABLE
name	offset	type	trans- lation	value	pname	ptype
num_pre_commands		UI16
num_post_commands		UI16
num_cell_commands		UI16
end_table_address		UI16
pre_commands		COMMAND[num_pre_commands]
post_commands		COMMAND[num_post_commands]
cell_commands		COMMAND[num_cell_commands]

PGC_PROGRAM_MAP
name	offset	type	trans- lation	value	pname	ptype
map		UI8

CELL_PLAYBACK_IT
name	offset	type	trans- lation	value	pname	ptype
category		CELL_CATEGORY
still_time		UI8
command_num		UI8
playback_time		BCD_TIME
entry_point_sector		UI32
first_ilvu_vobu_end_sector		UI32
last_vobu_start_sector		UI32
this_cell_last_sector		UI32

CELL_POSITION_IT
name	offset	type	trans- lation	value	pname	ptype
vob_id		UI16
unknown		UI8
cell_id		UI8

TTU
name	offset	type	trans- lation	value	pname	ptype
title_playback_type		TITLE_PLAYBACK_TYPE
num_angles		UI8
num_ptts		UI16
parental_management_mask		UI16
title_set_number		UI8
vts_ttn		UI8
title_set_start_sector		UI32

PGCI_LU
name	offset	type	trans- lation	value	pname	ptype
language_code		CHAR[2]
language_ext		UI8
existence_mask		UI8
language_start_byte		UI32			lu_ea	LU_EA

VTS_ATR
name	offset	type	trans- lation	value	pname	ptype
end_byte		UI32
vts_cat_app_type		UI32
vtsm_vobs_media_attributes		MEDIA_ATTRIBUTES1
SKIPBYTE4		SKIPBYTE[164]
vtstt_vobs_media_attributes		MEDIA_ATTRIBUTES2

C_ADT_CELL
name	offset	type	trans- lation	value	pname	ptype
VOBidn		UI16
CELLidn		UI8
unknown		UI8
vob_start_sector		UI32
vob_end_sector		UI32

KARAOKE_EXTENSION
name	offset	type	trans- lation	value	pname	ptype
reserved0		UB[7]
ach0_guide_melody_exists		UB
reserved1		UB[7]
ach1_guide_melody_exists		UB
reserved2		UB[4]
ach2_guide_vocal1_exists		UB
ach2_guide_vocal2_exists		UB
ach2_guide_melody1_exists		UB
ach2_guide_melody2_exists		UB
reserved3		UB[4]
ach3_guide_vocal1_exists		UB
ach3_guide_vocal2_exists		UB
ach3_guide_melody1_exists		UB
ach3_guide_melody2_exists		UB
reserved4		UB[4]
ach4_guide_vocal1_exists		UB
ach4_guide_vocal2_exists		UB
ach4_guide_melody1_exists		UB
ach4_guide_melody2_exists		UB
unknown		SKIPBYTE[13]

PTT
name	offset	type	trans- lation	value	pname	ptype
pgcn		UI16
pgn		UI16

PGCI_SRP
name	offset	type	trans- lation	value	pname	ptype
entry_pgc		UB
reserved		UB[3]
pgc_category_menu_type		UB[4]	PCG_MENU_TYPE
category		UI8
pgc_category_parental_id_mask		UI16
pgci_start_byte		UI32			pgci	PGC

TMAP
name	offset	type	trans- lation	value	pname	ptype
time_unit		UI8
reserved1		UI8
num_entries		UI16
map		UI32[num_entries]

Translation: VIDEO_CODING
from	to
0	mpeg1
1	mpeg2

Translation: VIDEO_STANDARD
from	to
0	NTSC
1	PAL

Translation: VIDEO_ASPECT
from	to
0	4:3
1	undefined
2	reserved
3	16:9

Translation: VIDEO_BITRATE
from	to
0	VBR
1	CBR

Translation: FPSN
from	to
0	-1
1	25
2	-2
3	30

Translation: PCG_MENU_TYPE
from	to
0	type0
1	type1
2	type2
3	root
4	sub-picture
5	audio
6	angle
7	ptt

COMMAND
name	offset	type	trans- lation	value	pname	ptype
command_type		UB[3]
command		COMMAND_{command_type}

CELL_CATEGORY
name	offset	type	trans- lation	value	pname	ptype
cell_type		UB[2]	CELL_CATEGORY_ANGLE_TYPE
block_type		UB[2]	CELL_CATEGORY_BLOCK_TYPE
seamless_in_pci		UB	BOOL
interleaved		UB	BOOL
discontinuity		UB	BOOL
seamless_in_dsi		UB	BOOL
restricted		UI8

TITLE_PLAYBACK_TYPE
name	offset	type	trans- lation	value	pname	ptype
reserved		SKIPBITS
not_sequential		UB
command_limit		COMMAND_LIMIT
uop1		UB
uop0		UB

LU_EA
name	offset	type	trans- lation	value	pname	ptype
OFFSET_START		EVAL
num_pgci_srp		UI16
reserved		UI16
lu_ea_end_byte		UI32
pgci_srp		PGCI_SRP[num_pgci_srp]

Translation: CELL_CATEGORY_BLOCK_TYPE
from	to
0	normal
1	angle

Translation: BOOL
from	to
0	false
1	true

COMMAND_LIMIT
name	offset	type	trans- lation	value	pname	ptype
cell		UB
pre_post		UB
button		UB
exist		UB

COMMAND_0
name	offset	type	trans- lation	value	pname	ptype
direct		UB
set		UB[4]
dir_cmp		UB
cmp		UB[3]
cmd		UB[4]	CMD_0
args		UI16[3]

COMMAND_1
name	offset	type	trans- lation	value	pname	ptype
direct		UB
set		UB[4]
dir_cmp		UB
cmp		UB[3]
cmd		UB[4]	CMD_1_{direct}
args		UI16[3]

COMMAND_2
name	offset	type	trans- lation	value	pname	ptype
direct		UB
set		UB[4]
dir_cmp		UB
cmp		UB[3]
cmd		UB[4]	CMD_2
args		UI16[3]

COMMAND_3
name	offset	type	trans- lation	value	pname	ptype
direct		UB
set		UB[4]
dir_cmp		UB
cmp		UB[3]
cmd		UB[4]
args		UI16[3]

COMMAND_4
name	offset	type	trans- lation	value	pname	ptype
set_flag		UB
set		UB[4]	SETOP
cmp_flag		UB
cmp		UB[3]	CMPOP
scr		UB[4]
args		UI16[3]

COMMAND_5
name	offset	type	trans- lation	value	pname	ptype
set_flag		UB
set		UB[4]	SETOP
cmp_flag		UB
cmp		UB[3]	CMPOP
scr		UB[4]
args		UI16[3]

COMMAND_6
name	offset	type	trans- lation	value	pname	ptype
set_flag		UB
set		UB[4]	SETOP
cmp_flag		UB
cmp		UB[3]	CMPOP
scr		UB[4]
args		UI16[3]

COMMAND_7
name	offset	type	trans- lation	value	pname	ptype
set_flag		UB
set		UB[4]
cmp_flag		UB
cmp		UB[3]
scr		UB[4]
args		UI16[3]

Translation: CMD_0
from	to
0	nop
1	goto
2	break
3	SetTmpPML

Translation: CMD_2
from	to
0	nop
1	SetSTN
2	SetNVTMR
3	SetGPRMMD
4	SetAMXMD
5	SetAMXMD
6	SetHL_BTNN

Translation: SETOP
from	to
0	none
1	mov
10	or
11	xor
2	swp
3	add
4	sub
5	mul
6	div
7	mon
8	rnd
9	and

Translation: CELL_CATEGORY_CELL_TYPE
from	to
0	normal
1	first-angle-start
2	middle-angle-block
3	last-angle-block

Translation: CMDOP
from	to
0	none
1	BC
2	EQ
3	NE
4	GE
5	GT
6	LE
7	LT

Translation: CMD_1_0
from	to
0	nop
1	LinkSubset
2	xxx
4	LinkPGCN
5	LinkPTTN
6	LinkPGN
7	LinkCN

Translation: CMD_1_1
from	to
0	nop
1	Exit
2	JumpTT
3	JumpVTS_TT
5	JumpVTS_PTT
6	JumpSS
8	CallSS

Translation: COMMAND_TYPE
from	to
0	Basic
1	Branch
2	SetSystem
3	Set
4	SetCLnk
5	CSetCLnk
6	CmpSetLnk

Translation: USER_OPS
from	to
0	time-play
1	ptt-play
10	title
11	root
12	sub-picture
13	audio
14	angle
15	ptt
16	resume
17	select
18	still-off
19	pause-on
2	title-play
20	audio-change
21	subpicture-change
22	angle-change
23	karaoke-change
24	video-mode-change
3	stop
4	go-up
5	ptt-search
6	prev
7	next
8	forward
9	back