; AUTHORS:
; S. Kuzmin, A. Ershov, Madis Kalme 2005
; Sergey Efremenkov, Leency 2018
; CHECK OUT README.TXT!
format binary as ""
use32
org 0x0
db 'MENUET01' ; 8 byte id
dd 0x01 ; header version
dd START ; start of code
dd I_END ; size of image
dd 0x9000 ; memory for app
dd 0x9000 ; esp
dd fileinfo2.path ; I_Param , I_Icon
dd 0x0
include "mos_uzit.inc"
TAG1_X = 250 ; coordinates of ID3v1 block
TAG1_Y = 40
BLOCKS_TO_READ equ 2 ; must be greater than 1
BLOCK_SIZE equ 512 ;ñêîëüêî áàéò â áëîêå
START:
xor eax, eax
mov [last_err], eax
mov [fileinfo2+4], eax ; start block = 0
mov dword [fileinfo2+12], BLOCKS_TO_READ*BLOCK_SIZE
mcall 70, fileinfo2
result:
push eax ebx ;ïîëó÷àåì ðàçìåð ôàéëà â áàéòàõ
mcall 70, fileSizeInfo
cmp eax, 0
je @f
mov dword[size], 16384; ebx
jmp result.sizeEnd
@@:
mov eax, dword[fileBuf+32] ; íà ñàìîì äåëå òàì ðàçìåð 8 áàéò, à íå 4
mov dword[size], eax
.sizeEnd:
pop ebx eax
;mov dword [size], 16384; ebx
; checking ID3v2 tag
xor eax, eax
mov [tagv2], eax
mov eax, [mp3_file]
and eax, 0x00ffffff
cmp eax, 'ID3'
jnz .no_id3v2
mov eax, [mp3_file+3]
mov [tagv2], eax
mov ecx, 4
mov esi, mp3_file+6
xor eax, eax
xor ebx, ebx
cld
.size_read:
lodsb
shl ebx, 7
or ebx, eax
loop .size_read
add ebx, 10
mov eax, ebx
shr eax, 9
push eax edx
mov edx, BLOCK_SIZE
mul edx
mov dword[fileinfo2+4], eax ; start block
pop edx eax
shl eax, 9
mov ecx, ebx
add ecx, 3
sub ebx, eax
mov edi, ebx
add edi, mp3_file
dec edi
mcall 70, fileinfo2
jmp .loop
.no_id3v2:
mov ecx, 3
mov edi, mp3_file-1
.loop:
inc edi
inc ecx
cmp ecx, dword[size]
ja .no_frames
mov eax, [edi]
call Header_Check
test eax, eax
jz .header_found
cmp edi, mp3_file+BLOCKS_TO_READ*512-4
jb .loop
add dword [fileinfo2+4], (BLOCKS_TO_READ-1)*BLOCK_SIZE
mcall 70, fileinfo2
sub edi, (BLOCKS_TO_READ-1)*512
jmp .loop
.no_frames:
mov [last_err], err_bad_file
mov [last_err_l], err_bad_file_e - err_bad_file
jmp reading_end
.header_found:
mov eax, dword [edi]
sub ecx, 4
mov [header_at], ecx
call extract_bits
call decode_standard
call decode_layer
call decode_channels
call decode_samplerate
call decode_bitrate
call calculate_time_frame_count
;--------------------------------------------
mov eax, [b1s]
and eax, 1
shl eax, 1 ; eax = eax * 2
cmp byte [shan], 11b ; if mono
jz @f
inc eax
@@:
mov ebx, xing_offset
xlatb
add edi, eax
mov eax, [edi]
xor ebx, ebx
mov [xing_tag], ebx
cmp eax, 'Xing'
jnz .no_xing_tag
mov esi, edi
add esi, 15
std
mov edi, xing_bytes
mov ecx, 3*4
xor eax, eax
.xing_read:
lodsb
mov [edi], al
inc edi
loop .xing_read
cld
mov ebx, [xing_tag]
test ebx, 1
jz .frames_end
mov eax, [xing_frames]
mov [framecount], eax
test [b1s], 1 ; if MPEG 1 eax = eax*2
jz @f
shl eax, 1
@@:
mov ebx, 575
mul ebx ; edx:eax = eax*575
mov ebx, [SR]
div ebx ; eax = edx:eax / sample rate
mov [time], eax
; calculating bitrate
xor edx, edx
mov ebx, 1000 / 8
mul ebx ; edx:eax = time * 1000
mov ebx, eax
mov eax, [xing_bytes]
div ebx ; eax = size / time*1000
mov [BR], eax
.frames_end:
.no_xing_tag:
xor eax, eax
xor ebx, ebx
xor ecx, ecx
xor edx, edx
; ID3v1 tag reading
mov eax, [size] ; reading 2 last 512-byte blocks where our
mov ebx, eax ; tag may be
shr eax, 9 ; eax = size of file in full 512-byte blocks
test eax, eax ; if file's length is less then 512 we'll
jz @f ; read the whole file
dec eax
@@:
push eax edx
mov edx, BLOCK_SIZE
mul edx
mov dword [fileinfo2+4], eax ; start block
pop edx eax
mov dword [fileinfo2+12], 2*BLOCK_SIZE ; blocks to read
shl eax, 9
sub ebx, eax
add ebx, mp3_file - 128 ; if tag is present, ebx points to it
mov esi, ebx
xor eax, eax
mov [tag], eax
mcall 70, fileinfo2
mov eax, [esi] ; checking if tag is present
and eax, 0x00ffffff
cmp eax, 'TAG'
jnz @f
inc [tag]
cld
mov ecx, 128 / 4
mov edi, tag.data
rep movsd
mov esi, tag.data
mov ecx, 126
call Win2Dos
@@:
reading_end:
call draw_window ; 14.08.05 [
; Öèêë ïîëó÷åíèÿ è îáðàáîòêè ñîîáùåíèé
get_event:
mov eax,10
int 0x40
dec eax
jnz @f
call draw_window
jmp get_event
@@:
dec eax
jz key_on_keyboard
dec eax
jz click_on_button
jmp get_event
key_on_keyboard:
mcall 2
jmp get_event
click_on_button:
exit:
mcall 17
;cmp ah, 10
;jz other_file
mov eax,-1
int 0x40
jmp get_event ; ] 14.08.05
; Ðèñîâàíèå îêíà
draw_window:
mcall 12,1
mov eax,0 ; function 0 : define and draw window
mov ebx,250 shl 16 + 500
mov ecx,250 shl 16 + 300
mov edx,0x34aabbcc ; color of work area RRGGBB,8->color gl
mov edi, header
int 0x40
Text 20,12,0x00000000,choice, choicelen-choice
Text 110,12,0x00000000,fileinfo2.path, 60
mov edx, dword [last_err]
test edx, edx
jz .no_err
mov eax, 4
mov ebx, 50*65536+50
xor ecx, ecx
mov esi, [last_err_l]
int 0x40
jmp draw_end
.no_err:
Text 20,40,0x00000000,S, Slen-S
Number 110,40,1*256,1,dword [S1],0x000000;
Number 122,40,1*256,1,dword [S2],0x000000;
Text 20,60,0x00000000,L, Llen-L
Number 110,60,1*256,1,dword [La],0x000000
Text 20,100,0x00000000,SamR, SamRlen-SamR
Number 110,100,0*256,5,dword [SR],0x000000
Text 20,120,0x00000000,BitR, BitRlen-BitR
Number 110,120,0*256,3,dword [BR],0x000000
mov eax, [xing_tag]
test eax, eax
jz @f
Text 170,120,0x00000000,vbr, vbr_e - vbr
@@:
Text 20,140,0x00000000,Sizebyte, Sizebytelen-Sizebyte
Number 110,140,0*256,8,dword [size],0x000000
Text 20,160,0x00000000,Timese, Timeselen-Timese
Number 110,160,0*256,4,dword [time],0x000000
Text 20,180,0x00000000,frame, framelen-frame
Number 110,180,0*256,4,dword [frames],0x000000
Text 20,200,0x00000000,framcount, framcountlen-framcount
Text 20,220,0x00000000,padding, paddinglen-padding
cmp [pad], 1
je res1
jne res2
res1:
Text 75,220,0x00000000,da, dalen-da
jmp nex
res2:
Text 75,220,0x00000000,net, netlen-net
jmp nex
nex:
; ------------------
Text 110,220,0x00000000,crci, crcilen-crci
cmp [crc], 0
je res3
jne res4
res3:
Text 160,220,0x00000000,da, dalen-da
jmp ne
res4:
Text 160,220,0x00000000,net, netlen-net
jmp ne
ne:
;--------------------------
Number 110,200,0*256,6,dword [framecount],0x000000
Text 20,80,0x00000000,Ka, Kalen-Ka
cmp [K], 1
je rez1
cmp [K], 2
je rez2
cmp [K], 3
je rez3
cmp [K], 4
je rez4
rez1:
Text 110,80,0x00000000,SC, SClen-SC
jmp next
rez2:
Text 110,80,0x00000000,DC, DClen-DC
jmp next
rez3:
Text 110,80,0x00000000,JOS, JOSlen-JOS
jmp next
rez4:
Text 110,80,0x00000000,Su, Sulen-Su
next:
Text 20,240,0,header_found, header_found_e - header_found
Number 160,240,0*256,6,dword [header_at],0x000000 ;;;;;;; HEADER AT
; ID3v2
mcall 4, 250*65536+220, 0,id3v2, id3v2_e - id3v2
mov edi, tagv2
mov eax, [edi]
test eax, eax
jz .no_v2
mcall 4, 281*65536+220, ,dots, dots_e - dots
xor ecx, ecx
mov cl, byte [edi]
mcall 47, 65536*2, , 286*65536+220, 0
mov cl, byte [edi+1]
mcall , , , 304*65536+220,
jmp .v2_end
.no_v2:
Text 300,220,0,net, netlen- net
.v2_end:
; ID3v1 info
; Writing all field names
mov eax, 4 ; function 4
words2reg ebx, TAG1_X, TAG1_Y
xor ecx, ecx ; color
mov edx, id3v1
mov esi, id3v1_e - id3v1
int 0x40
add ebx, 40
mov edx, title ; length is the same, so we don't write it in esi
int 0x40
add ebx, 20
mov edx, artist
inc esi
int 0x40
add ebx, 20
mov edx, album
dec esi
int 0x40
add ebx, 20
mov edx, year
dec esi
int 0x40
add ebx, 20
mov edx, genre
inc esi
int 0x40
add ebx, 20
mov edx, comment
inc esi
inc esi
int 0x40
sub ebx, 120
mov edx, track
int 0x40
; checking if tag is
mov eax, dword [tag]
test eax, eax
jz .no_tag1
mov edi, tag.data
; writing walues
words2reg edx, (TAG1_X+50), (TAG1_Y+20)
; track number uses the 30-th byte of comment field
; it may be the last char in comment field
; so we check if this byte presents a track number
mov eax, [edi+125]
test al, al
jnz .no_track
test ah, ah
jz .no_track
mov ebx, 3*65536
xor ecx, ecx
mov cl, ah
xor esi, esi
mov eax, 47
int 0x40
.no_track:
mov ebx, edx
mov edx, edi
mov eax, 4 ; function 4
xor ecx, ecx ; color
add ebx, 20
add edx, 3
mov esi, 30
int 0x40 ; title
add ebx, 20
add edx, esi
int 0x40 ; artist
add ebx, 20
add edx, esi
int 0x40 ; album
add ebx, 60
add edx, 34
dec esi
int 0x40 ; comment
sub ebx, 40
mov esi, 4
sub edx, esi
int 0x40 ; year
.no_tag1:
draw_end:
mcall 12, 2
ret ; (!) 14.08.05
freq dd 11025, 12000, 8000
Bitrate db 0,1,2, 3, 4, 5, 6, 7, 8,10,12,14,16,18,20,0,\ ; v2 l2 l3
0,1,2, 3, 4, 5, 6, 7, 8,10,12,14,16,18,20,0,\ ; v2 l2 l3
0,4,6, 7, 8,10,12,14,16,18,20,22,24,28,32,0,\ ; v2 l1
0,4,5, 6, 7, 8,10,12,14,16,20,24,28,32,40,0,\ ; v1 l3
0,4,6, 7, 8,10,12,14,16,20,24,28,32,40,48,0,\ ; v1 l2
0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,0 ; v1 l1
xing_offset db 13, 21, 21, 36
header:
db 'MP3 Info 0.7',0
S:
db 'MPEG Version: . '
Slen:
L:
db 'Layer: '
Llen:
Ka:
db 'Channels Mode: '
Kalen:
Su:
db 'Stereo'
Sulen:
JOS:
db 'Joint stereo '
JOSlen:
DC:
db 'Dual channel'
DClen:
SC:
db 'Single Channel (Mono)'
SClen:
SamR:
db 'Sample Rate: Hz'
SamRlen:
BitR:
db 'BitRate: Kbps'
BitRlen:
Sizebyte:
db 'Size: bytes'
Sizebytelen:
Timese:
db 'Time: seconds'
Timeselen:
frame:
db 'Frame size: bytes'
framelen:
framcount:
db 'Quantity: frames'
framcountlen:
padding:
db 'Padding:'
paddinglen:
crci:
db 'CRC:'
crcilen:
da:
db 'yes'
dalen:
net:
db 'no'
netlen:
dots db '. .'
dots_e:
header_found db 'Header found at:'
header_found_e:
choice:
db 'File path: '
choicelen:
id3v2 db 'ID3v2'
id3v2_e:
vbr db '(VBR)'
vbr_e:
id3v1 db 'ID3v1'
id3v1_e:
track db 'Track #'
track_e:
title db 'Title'
title_e:
artist db 'Artist'
artist_e:
album db 'Album'
album_e:
year db 'Year'
year_e:
genre db 'Genre'
genre_e:
comment db 'Comment'
comment_e:
err_bad_file db 'Bad file'
err_bad_file_e:
fileinfo2:
.func dd 0 ;íîìåð ïîäôóíêöèè
.start dd 0*BLOCK_SIZE ;ïîçèöèÿ â ôàéëå (â áàéòàõ) *512
dd 0 ;(çàðåçåðâèðîâàíî ïîä ñòàðøèé dword ïîçèöèè)
.size dd 1*BLOCK_SIZE ;ñêîëüêî áàéò ÷èòàòü
.buf dd mp3_file ;óêàçàòåëü íà áóôåð, êóäà áóäóò çàïèñàíû äàííûå
.path:
db "TEST.MP3",0 ;"/RD/1/TEST.MP3",0
rb 256-($-.path)
;äëÿ ïîëó÷åíèÿ êîððåêòíîãî ðàçìåðà ôàéëà
fileSizeInfo:
dd 5 ; íîìåð ïîäôóíêöèè
dd 0,0,0 ;(çàðåçåðâèðîâàíî)
dd fileBuf ;óêàçàòåëü íà áóôåð, êóäà áóäóò çàïèñàíû äàííûå(40 áàéò)
db 0
dd fileinfo2.path
fileBuf: db 40 dup(0)
;=================================================
b1s dd ? ; standard
b1l dd ? ; layer
S1 dd ?
S2 dd ?
La dd ?
shan dd ?
K dd ?
sam dd ?
id dd ?
SR dd ?
Bita dd ?
BR dd ?
size dd ?
time dd ?
frames dd ?
xing_bytes dd ?
xing_frames dd ?
xing_tag dd ?
tagv2 dd ?
tag dd ?
.data rb 128
framecount dd ?
pad dd ?
priv dd ?
modx dd ?
copy dd ?
orig dd ?
emph dd ?
crc dd ?
header_at dd ?
last_err dd ?
last_err_l dd ?
I_END:
;label pre_file dword at 0x3000-4
label mp3_file dword at 0x3000