;
; This file is part of the Infinity sound library.
; (C) copyright Serge 2006
; email: infinity_sound@mail.ru
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
format MS COFF
include 'proc32.inc'
include 'main.inc'
DEBUG equ 1
EVENT_NOTIFY equ 0x00000200
OS_BASE equ 0; 0x80400000
new_app_base equ 0x60400000; 0x01000000
PROC_BASE equ OS_BASE+0x0080000
public START
public service_proc
extrn AttachIntHandler
extrn SysMsgBoardStr
extrn PciApi
extrn PciRead32
extrn PciRead8
extrn PciWrite8
extrn AllocKernelSpace
extrn MapPage
extrn RegService
extrn KernelAlloc
extrn KernelFree
extrn GetPgAddr
extrn GetCurrentTask
extrn GetService
extrn ServiceHandler
extrn FpuSave
extrn FpuRestore
SND_CREATE_BUFF equ 2
SND_PLAY equ 3
SND_STOP equ 4
SND_SETBUFF equ 5
SND_DESTROY_BUFF equ 6
DEV_PLAY equ 1
DEV_STOP equ 2
DEV_CALLBACK equ 3
struc IOCTL
{ .handle dd ?
.io_code dd ?
.input dd ?
.inp_size dd ?
.output dd ?
.out_size dd ?
}
virtual at 0
IOCTL IOCTL
end virtual
section '.flat' code readable align 16
proc START stdcall, state:dword
mov eax, [state]
cmp eax, 1
je .entry
jmp .exit
.entry:
stdcall GetService, szSound
test eax, eax
jz .fail
mov [hSound], eax
stdcall KernelAlloc, 16*512
test eax, eax
jz .out_of_mem
mov [mix_buff], eax
mov edi, stream_list
mov ecx, 17
xor eax, eax
cld
rep stosd
mov edi, stream
mov ecx, 4*STREAM_SIZE
rep stosd
mov [stream_count],0
stdcall set_handler, [hSound], new_mix
stdcall RegService, szInfinity, service_proc
ret
.fail:
if DEBUG
mov esi, msgFail
call SysMsgBoardStr
end if
.exit:
xor eax, eax
ret
.out_of_mem:
if DEBUG
mov esi, msgMem
call SysMsgBoardStr
end if
xor eax, eax
ret
endp
handle equ IOCTL.handle
io_code equ IOCTL.io_code
input equ IOCTL.input
inp_size equ IOCTL.inp_size
output equ IOCTL.output
out_size equ IOCTL.out_size
align 4
proc service_proc stdcall, ioctl:dword
mov edi, [ioctl]
mov eax, [edi+io_code]
cmp eax, SND_CREATE_BUFF
jne @F
mov ebx, [edi+input]
stdcall CreateBuffer,[ebx]
ret
@@:
cmp eax, SND_PLAY
jne @F
mov ebx, [edi+input]
stdcall play_buffer, [ebx]
ret
@@:
cmp eax, SND_STOP
jne @F
; if DEBUG
; mov esi, msgStop
; call [SysMsgBoardStr]
; end if
mov ebx, [edi+input]
stdcall stop_buffer, [ebx]
ret
@@:
cmp eax, SND_SETBUFF
jne @F
mov ebx, [edi+input]
mov eax, [ebx+4]
add eax, new_app_base
stdcall set_buffer, [ebx],eax,[ebx+8],[ebx+12]
ret
@@:
cmp eax, SND_DESTROY_BUFF
jne @F
mov ebx, [edi+input]
stdcall DestroyBuffer, [ebx]
ret
@@:
xor eax, eax
ret
endp
restore handle
restore io_code
restore input
restore inp_size
restore output
restore out_size
TASK_COUNT equ 0x0003004
CURRENT_TASK equ 0x0003000
align 8
proc CreateBuffer stdcall, format:dword
locals
str dd ?
endl
call alloc_stream
and eax, eax
jz .fail
mov [str], eax
mov edi, eax
mov edx, [stream_count]
mov [stream_list+edx*4], eax
inc [stream_count]
mov [edi+STREAM.magic], 'WAVE'
mov [edi+STREAM.size], STREAM_SIZE
stdcall KernelAlloc, 180*1024
mov edi, [str]
mov [edi+STREAM.base], eax
mov [edi+STREAM.curr_seg], eax
mov [edi+STREAM.notify_off1], eax
add eax, 0x8000
mov [edi+STREAM.notify_off2], eax
add eax, 0x7FFF
mov [edi+STREAM.limit], eax
inc eax
mov [edi+STREAM.work_buff], eax
mov [edi+STREAM.work_read], eax
mov [edi+STREAM.work_write], eax
mov [edi+STREAM.work_count], 0
add eax, 0x10000
mov [edi+STREAM.work_top], eax
add eax, 1024*32
mov [edi+STREAM.r_buff], eax
mov ebx, [CURRENT_TASK]
shl ebx, 5
mov eax, [0x3000+ebx+4]
mov [edi+STREAM.notify_task], eax
mov eax, [format]
mov [edi+STREAM.format], eax
mov [edi+STREAM.flags], SND_STOP
xor ebx, ebx
cmp eax, 19
jb @f
mov ebx, 0x80808080
@@:
mov [edi+STREAM.r_silence], ebx
shl eax, 4
mov ebx, [resampler_params+eax]
mov ecx, [resampler_params+eax+4]
mov edx, [resampler_params+eax+8]
mov [edi+STREAM.r_size],ebx
mov [edi+STREAM.r_end], ecx
mov [edi+STREAM.r_dt], edx
mov ebx, [resampler_params+eax+12]
mov [edi+STREAM.resample], ebx
mov edi, [edi+STREAM.base]
mov ecx, 180*1024/4
xor eax, eax
rep stosd
mov eax, [str]
ret
.fail:
xor eax, eax
ret
endp
align 4
pid_to_slot:
push ebx
push ecx
mov ebx,[TASK_COUNT]
shl ebx,5
mov ecx,2*32
.loop:
cmp byte [CURRENT_TASK+ecx+0xa],9
jz .endloop ;skip empty slots
cmp [CURRENT_TASK+ecx+0x4],eax ;check PID
jz .pid_found
.endloop:
add ecx,32
cmp ecx,ebx
jle .loop
pop ecx
pop ebx
xor eax,eax
ret
.pid_found:
shr ecx,5
mov eax,ecx
pop ecx
pop ebx
ret
align 4
proc DestroyBuffer stdcall, str:dword
mov esi, [str]
cmp [esi+STREAM.magic], 'WAVE'
jne .fail
cmp [esi+STREAM.size], STREAM_SIZE
jne .fail
stdcall KernelFree, [esi+STREAM.base]
mov eax, [str]
call free_stream
mov edi, [str]
mov ecx, STREAM_SIZE/4
xor eax, eax
cld
rep stosd
mov eax, [str]
mov esi, stream_list
mov ecx, 16
@@:
cmp [esi], eax
je .remove
add esi, 4
dec ecx
jnz @B
xor eax, eax
inc eax
ret
.remove:
mov edi, esi
add esi, 4
cld
rep movsd
dec [stream_count]
xor eax, eax
inc eax
ret
.fail:
xor eax, eax
ret
endp
align 4
proc play_buffer stdcall, str:dword
mov ebx, [str]
cmp [ebx+STREAM.magic], 'WAVE'
jne .fail
cmp [ebx+STREAM.size], STREAM_SIZE
jne .fail
mov [ebx+STREAM.flags], SND_PLAY
mov eax,[ebx+STREAM.work_buff]
mov [ebx+STREAM.work_read], eax
mov [ebx+STREAM.work_write], eax
mov [ebx+STREAM.work_count], 0
mov eax, [ebx+STREAM.base]
mov [ebx+STREAM.curr_seg], eax
mov esi, [ebx+STREAM.curr_seg]
mov edi, [ebx+STREAM.work_write]
mov edx, [ebx+STREAM.r_buff]
mov ecx, 32
mov eax, [ebx+STREAM.r_silence]
@@:
mov [edx], eax
add edx, 4
dec ecx
jnz @B
mov edx, [ebx+STREAM.r_buff]
stdcall [ebx+STREAM.resample], edi, esi, edx,\
[ebx+STREAM.r_dt],[ebx+STREAM.r_size],[ebx+STREAM.r_end]
mov ebx, [str]
add [ebx+STREAM.work_count], eax;
add [ebx+STREAM.work_write], eax;
mov eax, [ebx+STREAM.r_size]
add [ebx+STREAM.curr_seg], eax
; if DEBUG
; mov esi, msgPlay
; call [SysMsgBoardStr]
; end if
stdcall dev_play, [hSound]
xor eax, eax
inc eax
ret
.fail:
xor eax, eax
ret
endp
align 4
proc stop_buffer stdcall, str:dword
mov edi, [str]
cmp [edi+STREAM.magic], 'WAVE'
jne .fail
cmp [edi+STREAM.size], STREAM_SIZE
jne .fail
mov [edi+STREAM.flags], SND_STOP
; stdcall [ServiceHandler], [hSound], dword DEV_STOP, 0
xor eax, eax
inc eax
ret
.fail:
xor eax, eax
ret
endp
align 4
proc set_buffer stdcall, str:dword,src:dword,offs:dword,size:dword
mov edx, [str]
test edx, edx
jz .fail
cmp [edx+STREAM.magic], 'WAVE'
jne .fail
cmp [edx+STREAM.size], STREAM_SIZE
jne .fail
mov esi,[src]
test esi, esi
jz .fail
cmp esi, new_app_base
jb .fail
mov ecx, [size]
test ecx, ecx
jz .fail
mov eax, [edx+STREAM.base]
add eax, [offs]
cmp eax, [edx+STREAM.base]
jb .fail
mov edi, eax
add eax, ecx
sub eax, 1
cmp eax, [edx+STREAM.limit]
ja .fail
shr ecx, 2
cld
rep movsd
xor eax, eax
inc eax
ret
.fail:
xor eax, eax
ret
endp
align 4
proc alloc_stream
mov esi, stream_map
pushf
cli
bsf eax, [esi]
jnz .find
popf
xor eax, eax
ret
.find: btr [esi], eax
popf
mov ebx, STREAM_SIZE
mul ebx
add eax, stream
ret
endp
align 4
proc free_stream
sub eax, stream
mov ebx, STREAM_SIZE
xor edx, edx
div ebx
and edx, edx
jnz .err
bts [stream_map], eax
ret
.err:
xor eax, eax
ret
endp
align 4
proc check_stream
xor edx, edx
mov ecx, [play_count]
.l1:
mov esi, [play_list+edx]
mov eax, [esi+STR.curr_seg]
cmp eax, [esi+STR.limit]
jb .next
.m1: mov eax,[esi+STR.base]
mov [esi+STR.curr_seg], eax
.next:
add edx, 4
loop .l1
ret
endp
align 4
proc prepare_playlist
.restart:
xor ebx, ebx
xor edx, edx
mov [play_count], 0
mov ecx, [stream_count]
jcxz .exit
.l1:
mov esi, [stream_list+ebx]
test esi, esi
jz .next
cmp [esi+STREAM.magic], 'WAVE'
jne .next
cmp [esi+STREAM.size], STREAM_SIZE
jne .next
mov eax,[esi+STREAM.notify_task]
cmp eax, -1
je .fail
call pid_to_slot
test eax, eax
jz .fail
cmp [esi+STREAM.flags], SND_PLAY;
jne .next
cmp [esi+STREAM.work_count], 16384
jb .next
mov [play_list+edx], esi
inc [play_count]
add edx, 4
.next:
add ebx, 4
loop .l1
.exit:
ret
.fail:
stdcall DestroyBuffer, esi
jmp .restart
endp
align 4
proc prepare_updatelist
xor ebx, ebx
xor edx, edx
mov [play_count], 0
mov ecx, [stream_count]
jcxz .exit
.l1:
mov eax, [stream_list+ebx]
test eax, eax
jz .next
cmp [eax+STREAM.flags], SND_PLAY
jne .next
mov [play_list+edx], eax
inc [play_count]
add edx, 4
.next:
add ebx, 4
loop .l1
.exit:
ret
endp
align 4
proc set_handler stdcall, hsrv:dword, handler_proc:dword
locals
handler dd ?
io_code dd ?
input dd ?
inp_size dd ?
output dd ?
out_size dd ?
val dd ?
endl
mov eax, [hsrv]
lea ecx, [handler_proc]
xor ebx, ebx
mov [handler], eax
mov [io_code], DEV_CALLBACK
mov [input], ecx
mov [inp_size], 4
mov [output], ebx
mov [out_size], 0
lea eax, [handler]
stdcall ServiceHandler, eax
ret
endp
align 4
proc dev_play stdcall, hsrv:dword
locals
handle dd ?
io_code dd ?
input dd ?
inp_size dd ?
output dd ?
out_size dd ?
val dd ?
endl
mov eax, [hsrv]
xor ebx, ebx
mov [handle], eax
mov [io_code], DEV_PLAY
mov [input], ebx
mov [inp_size], ebx
mov [output], ebx
mov [out_size], ebx
lea eax, [handle]
stdcall ServiceHandler, eax
ret
endp
include 'mixer.asm'
align 16
resampler_params:
;r_size r_end r_dt resampler_func
dd 0,0,0,0 ; 0 PCM_ALL
dd 16384, 0, 0, copy_stream ; 1 PCM_2_16_48
dd 16384, 0, 0, m16_stereo ; 2 PCM_1_16_48
dd 16384, 0x08000000, 30109, resample_2 ; 3 PCM_2_16_44
dd 8192, 0x08000000, 30109, resample_1 ; 4 PCM_1_16_44
dd 16384, 0x08000000, 21846, resample_2 ; 5 PCM_2_16_32
dd 8192, 0x08000000, 21846, resample_1 ; 6 PCM_1_16_32
dd 16384, 0x08000000, 16384, resample_2 ; 7 PCM_2_16_24
dd 8192, 0x08000000, 16384, resample_1 ; 8 PCM_1_16_24
dd 8192, 0x04000000, 15052, resample_2 ; 9 PCM_2_16_22
dd 4096, 0x04000000, 15052, resample_1 ;10 PCM_1_16_22
dd 8192, 0x04000000, 10923, resample_2 ;11 PCM_2_16_16
dd 4096, 0x04000000, 10923, resample_1 ;12 PCM_1_16_16
dd 8192, 0x04000000, 8192, resample_2 ;13 PCM_2_16_12
dd 4096, 0x04000000, 8192, resample_1 ;14 PCM_1_16_12
dd 4096, 0x02000000, 7527, resample_2 ;15 PCM_2_16_11
dd 2048, 0x02000000, 7527, resample_1 ;16 PCM_1_16_11
dd 4096, 0x02000000, 5462, resample_2 ;17 PCM_2_16_8
dd 2048, 0x02000000, 5462, resample_1 ;18 PCM_1_16_8
dd 16384, 0, 0, s8_stereo ;19 PCM_2_8_48
dd 8192, 0, 0, m8_stereo ;20 PCM_1_8_48
dd 8192, 0x08000000, 30109, resample_28 ;21 PCM_2_8_44
dd 4096, 0x08000000, 30109, resample_18 ;22 PCM_1_8_44
dd 8192, 0x08000000, 21846, resample_28 ;23 PCM_2_8_32
dd 4096, 0x08000000, 21846, resample_18 ;24 PCM_1_8_32
dd 8192, 0x08000000, 16384, resample_28 ;25 PCM_2_8_24
dd 4096, 0x08000000, 16384, resample_18 ;26 PCM_1_8_24
dd 4096, 0x04000000, 15052, resample_28 ;27 PCM_2_8_22
dd 2048, 0x04000000, 15052, resample_18 ;28 PCM_1_8_22
dd 4096, 0x04000000, 10923, resample_28 ;29 PCM_2_8_16
dd 2048, 0x04000000, 10923, resample_18 ;30 PCM_1_8_16
dd 4096, 0x04000000, 8192, resample_28 ;31 PCM_2_8_12
dd 2048, 0x04000000, 8192, resample_18 ;32 PCM_1_8_12
dd 2048, 0x02000000, 7527, resample_28 ;33 PCM_2_8_11
dd 1024, 0x02000000, 7527, resample_18 ;34 PCM_1_8_11
dd 2048, 0x02000000, 5462, resample_28 ;35 PCM_2_8_8
dd 1024, 0x02000000, 5462, resample_18 ;36 PCM_1_8_8
m7 dw 0x8000,0x8000,0x8000,0x8000
mm80 dq 0x8080808080808080
mm_mask dq 0xFF00FF00FF00FF00
stream_map dd 0xFFFF ; 16
szInfinity db 'INFINITY',0
szSound db 'SOUND',0
if DEBUG
msgFail db 'Sound service not loaded',13,10,0
msgPlay db 'Play buffer',13,10,0
msgStop db 'Stop',13,10,0
msgUser db 'User callback',13,10,0
msgMem db 'Not enough memory',13,10,0
end if
section '.data' data readable writable align 16
stream rb STREAM_SIZE*16
play_list rd 16
mix_input rd 16
stream_list rd 17
play_count rd 1
stream_count rd 1
hSound rd 1
mix_buff rd 1
mix_buff_map rd 1