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