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