| 0,0 → 1,571 |
|---|
| SSMIX_CHANMODE_FREE equ 0 |
| SSMIX_CHANMODE_SINGLE equ 1 |
| SSMIX_CHANMODE_REPEAT equ 2 |
| SSMIX_CHANMODE_SINGLE_WITHOUT_RESET equ 3 |
| SSMIX_CHANMODE_WAITRESET equ 4 |
| |
| include 'snd.inc' |
| include 'snd_const.inc' |
| include 'proc32.inc' |
| ;include 'macros.inc' |
| ;include 'debug.inc' |
| |
| SSMIX_CHANNEL_COUNT equ 32 |
| |
| DEBUG equ 0 ; 0 |
| |
| |
| ; èíèöèàëèçàöèÿ ìèêøåðà |
| ssmix_init: |
| ; âûäåëèòü ïàìÿòü äëÿ êàíàëîâ ìèêøåðà |
| mov eax, 68 |
| mov ebx, 12 |
| mov ecx, 4*8*SSMIX_CHANNEL_COUNT |
| int 0x40 |
| mov [ssmix_channels], eax |
| ; âûäåëèòü ïàìÿòü äëÿ ñòåêà ïîòîêà ìèêøåðà |
| mov eax, 68 |
| mov ebx, 12 |
| mov ecx, 4096 |
| int 0x40 |
| mov [ssmix_thread_stack], eax |
| ; âêëþ÷èòü ìèêøåð |
| mov [ssmix_state], 1 |
| ; óñòàíîâèòü ãðîìêîñòè ñòåðåîêàíàëîâ |
| mov [ssmix_volumeL], 128 |
| mov [ssmix_volumeR], 128 |
| ; ñîçäàòü ïîòîê |
| mov eax, 51 |
| mov ebx, 1 |
| mov ecx, ssmix_thread_proc |
| mov edx,[ssmix_thread_stack] |
| add edx,4092 |
| int 0x40 |
| |
| ret |
| |
| |
| |
| ; çàâåðøåíèå ðàáîòû ìèêøåðà |
| ssmix_release: |
| ; âûêëþ÷èòü ìèêøåð |
| mov [ssmix_state], 0 |
| |
| ret |
| |
| |
| |
| ; îñâîáîæäåíèå ïàìÿòè |
| ssmix_free: |
| ; îñâîáîäèòü ïàìÿòü êàíàëîâ ìèêøåðà |
| mov eax, 68 |
| mov ebx, 13 |
| mov ecx, [ssmix_channels] |
| int 0x40 |
| ; îñâîáîäèòü ïàìÿòü ñòåêà ïîòîêà ìèêøåðà |
| mov eax, 68 |
| mov ebx, 13 |
| mov ecx, [ssmix_thread_stack] |
| int 0x40 |
| |
| ret |
| |
| ; óñòàíîâèòü ãðîìêîñòü |
| ssmix_setvolume: ; stdcall |
| ; LeftVolume: dword, RightVolume: dword |
| |
| push eax |
| mov eax, [esp+8] ; ãðîìêîñòü ëåâîãî êàíàëà |
| cmp eax, 255 |
| jle @f |
| mov eax, 255 |
| @@: |
| cmp eax, 0 |
| jge @f |
| mov eax, 0 |
| @@: |
| mov [ssmix_volumeL], eax |
| |
| mov eax, [esp+12] ; ãðîìêîñòü ïðàâîãî êàíàëà |
| cmp eax, 255 |
| jle @f |
| mov eax, 255 |
| @@: |
| cmp eax, 0 |
| jge @f |
| mov eax, 0 |
| @@: |
| mov [ssmix_volumeR], eax |
| pop eax |
| |
| ret |
| |
| |
| ; âîñïðîèçâåñòè òðåê |
| ssmix_playtrack: ; stdcall |
| ; p_starttrack:dword, p_endtrack:dword, volumeL: dword, volumeR: dword; playmode:dword; |
| ; return eax - number of channel, if eax=-1 then no free channel |
| |
| push ebx ecx |
| mov ebx, [ssmix_channels] |
| mov ecx, SSMIX_CHANNEL_COUNT |
| .channel_loop: |
| mov eax, [ebx] |
| cmp eax, SSMIX_CHANMODE_FREE |
| je .find_free_channel |
| add ebx, 32 |
| dec ecx |
| jnz .channel_loop |
| mov eax, -1 |
| jmp .end |
| .find_free_channel: |
| mov eax, [esp+28] ; ðåæèì âîñïðîèçâåäåíèÿ |
| mov [ebx], eax |
| mov eax, [esp+20] ; ãðîìêîñòü ëåâîãî êàíàëà |
| imul eax, [ssmix_volumeL] |
| sar eax, 7 |
| mov [ebx+4], eax |
| mov eax, [esp+24] ; ãðîìêîñòü ïðàâîãî êàíàëà |
| imul eax, [ssmix_volumeR] |
| sar eax, 7 |
| mov [ebx+8], eax |
| mov eax, [esp+12] ; íà÷àëî òðåêà |
| mov [ebx+16], eax |
| mov [ebx+20], eax |
| mov eax, [esp+16] ; êîíåö òðåêà |
| mov [ebx+24], eax |
| mov eax, SSMIX_CHANNEL_COUNT |
| sub eax, ecx |
| .end: |
| pop ecx ebx |
| |
| ret 20 |
| |
| |
| ; îñòàíîâèòü òðåê ïî íîìåðó êàíàëà |
| ssmix_stoptrack: ; stdcall |
| ; numchannel: dword |
| push eax ebx |
| mov ebx, [esp+12] |
| cmp ebx, 0 |
| jl .end |
| cmp ebx, SSMIX_CHANNEL_COUNT |
| jge .end |
| shl ebx, 5 |
| add ebx, [ssmix_channels] |
| mov eax, SSMIX_CHANMODE_FREE |
| mov [ebx], eax |
| .end: |
| pop ebx eax |
| |
| ret 4 |
| |
| |
| ; îñòàíîâèòü âñå òðåêè |
| ssmix_stopalltracks: |
| |
| push eax ebx ecx |
| mov eax, SSMIX_CHANMODE_FREE |
| mov ebx, [ssmix_channels] |
| mov ecx, SSMIX_CHANNEL_COUNT |
| .channel_loop: |
| mov [ebx], eax |
| add ebx, 32 |
| dec ecx |
| jnz .channel_loop |
| pop ecx ebx eax |
| |
| ret |
| |
| |
| ; ïîòîê ìèêøåðà |
| ssmix_thread_proc: |
| |
| stdcall _InitSound@4, ssmix_driver_version |
| test eax, eax |
| jz @f |
| if DEBUG |
| print "ssmix. Cannot load sound driver" |
| end if |
| jmp .end |
| @@: |
| |
| mov ecx, [ssmix_driver_version] |
| cmp cx, SOUND_VERSION |
| jae @f |
| shr ecx, 16 |
| cmp ecx, SOUND_VERSION |
| jbe @f |
| if DEBUG |
| print "ssmix. Sound version mismatch" |
| end if |
| jmp .end |
| @@: |
| |
| stdcall _CreateBuffer@12, PCM_2_16_11+PCM_RING, 0, ssmix_hbuffer |
| test eax, eax |
| jz @f |
| if DEBUG |
| print "ssmix. create buffer error" |
| end if |
| jmp .end |
| @@: |
| |
| stdcall _GetBufferSize@8, [ssmix_hbuffer], ssmix_buffer_size |
| test eax, eax |
| jz @f |
| if DEBUG |
| print "ssmix. getbuffersize procedure error" |
| end if |
| jmp .destroy_buffer |
| @@: |
| |
| mov ecx, [ssmix_buffer_size] |
| shr ecx, 1 |
| mov [ssmix_buffer_size], ecx |
| if DEBUG |
| print "ssmix. buffer size" |
| dph ecx |
| newline |
| end if |
| |
| ; âûäåëèòü ïàìÿòü äëÿ áóôôåðà âîñïðîèçâåäåíèÿ |
| mov eax, 68 |
| mov ebx, 12 |
| mov ecx, [ssmix_buffer_size] |
| int 0x40 |
| test eax, eax |
| jnz @f |
| if DEBUG |
| print "ssmix. malloc memory error" |
| end if |
| jmp .destroy_buffer |
| @@: |
| mov [ssmix_pbuffer], eax |
| |
| stdcall _PlayBuffer@8, [ssmix_hbuffer], 0 |
| test eax, eax |
| jz @f |
| if DEBUG |
| print "ssmix. playbuffer error" |
| end if |
| jmp .free_buffer_memory |
| @@: |
| |
| ; öèêë âîñïðîèçâåäåíèÿ |
| .mixloop: |
| ; ïîëó÷èòü äàííûå ñîáûòèÿ îò äðàéâåðà |
| mov eax, 68 |
| mov ebx, 14 |
| mov ecx, ssmix_driver_notify_struct |
| int 0x40 |
| ; ïðîâåðêà íà code |
| mov eax, [ssmix_driver_notify_struct] |
| cmp eax, 0xFF000001 |
| jne .mixloop |
| ; ïðîâåðêà íà stream |
| mov eax, [ssmix_driver_notify_struct+8] |
| cmp eax, [ssmix_hbuffer] |
| jne .mixloop |
| ; ïîëó÷èòü ñìåùåíèå â áóôôåðå |
| mov eax, [ssmix_driver_notify_struct+12] |
| mov [ssmix_buffer_offset], eax |
| ; öèêë çàïîëíåíèÿ áóôôåðà |
| mov ebx, [ssmix_pbuffer] |
| mov ecx, [ssmix_buffer_size] |
| shr ecx, 2 |
| .fill_buffer_loop: |
| push ebx ecx |
| ; öèêë ñìåøèâàíèÿ êàíàëîâ |
| mov esi, 0 ; ñóììà äëÿ ëåâîãî ñòåðåîêàíàëà |
| mov edi, 0 ; ñóììà äëÿ ïðàâîãî ñòåðåîêàíàëà |
| mov edx, [ssmix_channels] |
| mov ecx, SSMIX_CHANNEL_COUNT |
| .channel_loop: |
| mov eax, [edx] |
| cmp eax, SSMIX_CHANMODE_FREE |
| je .channel_end |
| cmp eax, SSMIX_CHANMODE_WAITRESET |
| je .channel_end |
| push ecx |
| ; ñìåøèâàíèå êàíàëîâ ñ ó÷åòîì ãðîìêîñòè |
| mov ebx, [edx+4] |
| mov ecx, [edx+16] |
| movsx eax, word [ecx] |
| imul eax, ebx |
| add esi, eax |
| mov ebx, [edx+8] |
| movsx eax, word [ecx+2] |
| imul eax, ebx |
| add edi, eax |
| ; ïðîâåðêà íà çàâåðøåíèå òðåêà |
| add ecx, 4 |
| cmp ecx, [edx+24] |
| jb .notrackend |
| mov eax, [edx] |
| cmp eax, SSMIX_CHANMODE_SINGLE |
| jne @f |
| mov ebx, SSMIX_CHANMODE_FREE |
| mov [edx], ebx |
| jmp .notrackend |
| @@: |
| cmp eax, SSMIX_CHANMODE_REPEAT |
| jne @f |
| mov ecx, [edx+20] |
| jmp .notrackend |
| @@: |
| cmp eax, SSMIX_CHANMODE_SINGLE_WITHOUT_RESET |
| jne @f |
| mov ebx, SSMIX_CHANMODE_WAITRESET |
| mov [edx], ebx |
| jmp .notrackend |
| @@: |
| .notrackend: |
| mov [edx+16], ecx |
| pop ecx |
| .channel_end: |
| add edx, 32 |
| dec ecx |
| jnz .channel_loop |
| ; íîðìàëèçàöèÿ ñòåðåîêàíàëîâ |
| sar esi, 7 |
| cmp esi, 0x7FFF |
| jle @f |
| mov esi, 0x7FFF |
| @@: |
| cmp esi, -0x8000 |
| jge @f |
| mov esi, -0x8000 |
| @@: |
| sar edi, 7 |
| cmp edi, 0x7FFF |
| jle @f |
| mov edi, 0x7FFF |
| @@: |
| cmp edi, -0x8000 |
| jge @f |
| mov edi, -0x8000 |
| @@: |
| ; ñîõðàíåíèå ðåçóëüòàòà â áóôôåðå ìèêøåðà |
| shl edi, 16 |
| add esi, edi |
| pop ecx ebx |
| mov [ebx], esi |
| add ebx, 4 |
| dec ecx |
| jnz .fill_buffer_loop |
| ; óñòàíîâêà áóôôåðà äðàéâåðà |
| stdcall _SetBuffer@16, [ssmix_hbuffer], [ssmix_pbuffer], [ssmix_buffer_offset], [ssmix_buffer_size] |
| cmp [ssmix_state], 1 |
| je .mixloop |
| |
| ; îñâîáîäèòü ïàìÿòü áóôôåðà âîñïðîèçâåäåíèÿ |
| .free_buffer_memory: |
| mov eax, 68 |
| mov ebx, 13 |
| mov ecx, [ssmix_pbuffer] |
| ; óíè÷òîæèòü áóôôåð äðàéâåðà |
| .destroy_buffer: |
| stdcall _DestroyBuffer@4, [ssmix_hbuffer] |
| |
| ; çàâåðøèòü ðàáîòó ïîòîêà |
| .end: |
| call ssmix_free |
| mov eax, -1 |
| int 0x40 |
| |
| ;ret |
| |
| |
| ;================================================================================= |
| |
| align 4 |
| _InitSound@4: ;p_ver:dword |
| |
| push ebx |
| push ecx |
| |
| mov eax, 68 |
| mov ebx, 16 |
| mov ecx, ssmix_szInfinity |
| int 0x40 |
| mov [ssmix_hSound], eax |
| test eax, eax |
| jz .fail |
| |
| mov eax, 68 |
| mov ebx, 16 |
| mov ecx, ssmix_szSound |
| int 0x40 |
| mov [ssmix_hrdwSound], eax |
| |
| lea eax, [esp+12] ;p_ver |
| xor ebx, ebx |
| |
| push 4 ;.out_size |
| push eax ;.output |
| push ebx ;.inp_size |
| push ebx ;.input |
| push SRV_GETVERSION ;.code |
| push [ssmix_hSound] ;.handle |
| |
| mov eax, 68 |
| mov ebx, 17 |
| mov ecx, esp ;[handle] |
| int 0x40 |
| add esp, 24 |
| pop ecx |
| pop ebx |
| ret 4 |
| .fail: |
| or eax, -1 |
| pop ecx |
| pop ebx |
| ret 4 |
| |
| |
| align 4 |
| _CreateBuffer@12: ;format:dword,size:dword,p_str:dword |
| |
| push ebx |
| push ecx |
| lea eax, [esp+20] ;p_str |
| lea ebx, [esp+12] ;format |
| |
| push 4 ;.out_size |
| push eax ;.output |
| push 8 ;.inp_size |
| push ebx ;.input |
| push SND_CREATE_BUFF;.code |
| push [ssmix_hSound] ;.handle |
| |
| mov eax, 68 |
| mov ebx, 17 |
| mov ecx, esp |
| int 0x40 |
| add esp, 24 ;io_cintrol |
| pop ecx |
| pop ebx |
| ret 12 |
| |
| align 4 |
| _DestroyBuffer@4: ;str:dword |
| |
| push ebx |
| push ecx |
| |
| xor eax, eax |
| lea ebx, [esp+12] ;[stream] |
| |
| push eax ;.out_size |
| push eax ;.output |
| push 4 ;.inp_size |
| push ebx ;.input |
| push SND_DESTROY_BUFF;.code |
| push [ssmix_hSound] ;.handle |
| |
| mov eax, 68 |
| mov ebx, 17 |
| mov ecx, esp ;[handle] |
| int 0x40 |
| add esp, 24 |
| pop ecx |
| pop ebx |
| ret 4 |
| |
| align 4 |
| _GetBufferSize@8: ;str:dword, p_size:dword |
| |
| push ebx |
| push ecx |
| |
| lea eax, [esp+16] |
| lea ebx, [esp+12] ;[stream] |
| |
| push 4 ;.out_size |
| push eax ;.output |
| push 4 ;.inp_size |
| push ebx ;.input |
| push SND_GETBUFFSIZE;.code |
| push dword [ssmix_hSound] ;.handle |
| |
| mov eax, 68 |
| mov ebx, 17 |
| mov ecx, esp |
| int 0x40 |
| add esp, 24 |
| pop ecx |
| pop ebx |
| ret 8 |
| |
| align 4 |
| _SetBuffer@16: ;str:dword, src:dword, offs:dword, size:dword |
| |
| push ebx |
| push ecx |
| |
| xor eax, eax |
| lea ebx, [esp+12] ;[stream] |
| |
| push eax ;.out_size |
| push eax ;.output |
| push 16 ;.inp_size |
| push ebx ;.input |
| push SND_SETBUFF ;.code |
| push dword [ssmix_hSound] ;.handle |
| |
| mov eax, 68 |
| mov ebx, 17 |
| mov ecx, esp |
| int 0x40 |
| add esp, 24 |
| pop ecx |
| pop ebx |
| ret 16 |
| |
| align 4 |
| _PlayBuffer@8: ;str:dword,flags:dword |
| |
| push ebx |
| push ecx |
| |
| xor eax, eax |
| lea ebx, [esp+12] ;[stream] |
| |
| push eax ;.out_size |
| push eax ;.output |
| push 8 ;.inp_size |
| push ebx ;.input |
| push SND_PLAY ;.code |
| push dword [ssmix_hSound] ;.handle |
| |
| mov eax, 68 |
| mov ebx, 17 |
| mov ecx, esp |
| int 0x40 |
| add esp, 24 |
| pop ecx |
| pop ebx |
| ret 8 |
| |
| |
| |
| ; ========================= data ===================================== |
| |
| ssmix_hSound dd ? |
| ssmix_hrdwSound dd ? |
| |
| ssmix_szInfinity db 'INFINITY',0 |
| ssmix_szSound db 'SOUND',0 |
| |
| ssmix_channels dd 0 |
| ssmix_thread_stack dd 0 |
| ssmix_state dd 0 |
| ssmix_volumeL dd ? |
| ssmix_volumeR dd ? |
| ssmix_driver_version dd ? |
| ssmix_hbuffer dd ? |
| ssmix_pbuffer dd 0 |
| ssmix_buffer_size dd ? |
| ssmix_buffer_offset dd ? |
| ssmix_driver_notify_struct rd 6 ; ñòêóêòóðà ñîáûòèÿ îò äðàéâåðà |