af_surround.s

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· S 代码 · 共 1,258 行 · 第 1/2 页

jal	__addsf3
move	$4,$16

lw	$5,120($17)
lw	$4,632($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,8($17)
lw	$4,520($fp)
jal	__mulsf3
move	$22,$2

lw	$5,12($17)
lw	$4,524($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,20($17)
lw	$4,532($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,28($17)
lw	$4,540($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,36($17)
lw	$4,548($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,44($17)
lw	$4,556($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,52($17)
lw	$4,564($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,60($17)
lw	$4,572($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,68($17)
lw	$4,580($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,76($17)
lw	$4,588($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,84($17)
lw	$4,596($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,92($17)
lw	$4,604($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,100($17)
lw	$4,612($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,108($17)
lw	$4,620($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,116($17)
lw	$4,628($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$5,124($17)
lw	$4,636($fp)
jal	__mulsf3
move	$16,$2

move	$5,$2
jal	__addsf3
move	$4,$16

move	$5,$2
jal	__addsf3
move	$4,$22

lw	$5,60($sp)
lw	$6,64($sp)
sw	$2,0($5)
addu	$20,$20,$6
lw	$2,0($20)
lw	$4,28($sp)
lui	$6,%hi(steering_matrix+32)
sw	$2,12($21)
addiu	$6,$6,%lo(steering_matrix+32)
addiu	$3,$4,1
lw	$4,0($6)
lw	$6,24($sp)
lw	$5,0($23)
addiu	$2,$6,1
andi	$3,$3,0xffff
andi	$2,$2,0xffff
sw	$3,28($sp)
jal	__mulsf3
sw	$2,24($sp)

move	$16,$2
lui	$2,%hi(steering_matrix+36)
addiu	$2,$2,%lo(steering_matrix+36)
lw	$5,4($23)
lw	$4,0($2)
lw	$3,40($sp)
addu	$19,$19,$fp
jal	__mulsf3
addu	$21,$21,$3

move	$5,$2
jal	__addsf3
move	$4,$16

lui	$6,%hi(steering_matrix+24)
addiu	$6,$6,%lo(steering_matrix+24)
sw	$2,0($19)
sw	$2,0($18)
lw	$4,0($6)
jal	__mulsf3
lw	$5,0($23)

move	$16,$2
lui	$2,%hi(steering_matrix+28)
addiu	$2,$2,%lo(steering_matrix+28)
lw	$5,4($23)
lw	$4,0($2)
lw	$3,44($sp)
jal	__mulsf3
addu	$23,$23,$3

move	$5,$2
jal	__addsf3
move	$4,$16

lw	$4,20($sp)
lw	$5,44($sp)
lw	$6,32($sp)
subu	$3,$4,$5
lw	$5,36($sp)
addiu	$4,$6,-1
andi	$4,$4,0x1f
sltu	$3,$3,$5
sw	$2,256($19)
sw	$4,32($sp)
bne	$3,$0,$L16
sw	$2,256($18)

$L14:
lw	$6,24($sp)
lw	$2,32($sp)
lw	$3,28($sp)
sw	$6,656($fp)
lw	$5,112($sp)
lw	$6,116($sp)
sw	$2,652($fp)
sw	$3,660($fp)
lw	$4,40($5)
lw	$2,4($6)
lw	$3,44($5)
mul	$2,$2,$4
lw	$4,16($sp)
div	$0,$2,$3
teq	$3,$0,7
lw	$5,12($4)
lw	$3,52($sp)
sw	$5,12($6)
sw	$3,0($6)
mflo	$2
sw	$2,4($6)
move	$2,$6
$L13:
lw	$31,108($sp)
lw	$fp,104($sp)
lw	$23,100($sp)
lw	$22,96($sp)
lw	$21,92($sp)
lw	$20,88($sp)
lw	$19,84($sp)
lw	$18,80($sp)
lw	$17,76($sp)
lw	$16,72($sp)
j	$31
addiu	$sp,$sp,112

$L19:
jal	af_resize_local_buffer
lw	$5,116($sp)

li	$3,1			# 0x1
beq	$2,$3,$L10
nop

sw	$0,116($sp)
j	$L13
lw	$2,116($sp)

.set	macro
.set	reorder
.end	play
.section	.text.uninit,"ax",@progbits
.align	2
.align	5
.ent	uninit
.type	uninit, @function
uninit:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$16,16($sp)
sw	$31,20($sp)
move	$16,$4
lw	$4,20($4)
beq	$4,$0,$L21
nop

jal	uc_free
lw	$4,0($4)

lw	$4,20($16)
$L21:
jal	uc_free
nop

lw	$4,16($16)
lw	$31,20($sp)
lw	$16,16($sp)
j	uc_free
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	uninit
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC1:
.ascii	"[surround] Only stereo input is supported.\012\000"
.globl	__floatsisf
.globl	__divsf3
.align	2
$LC3:
.ascii	"[surround] Unable to design low-pass filter.\012\000"
.align	2
$LC4:
.ascii	"[delay] Out of memory\012\000"
.align	2
$LC6:
.ascii	"%f\000"
.globl	__ltsf2
.globl	__gtsf2
.align	2
$LC7:
.ascii	"[surround] Invalid delay time, valid time values are 0ms"
.ascii	" to 1000ms current value is %0.3f ms\012\000"
.globl	__extendsfdf2
.section	.rodata.cst4
.align	2
$LC2:
.word	1180352512
.align	2
$LC5:
.word	1148846080
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.frame	$sp,48,$31		# vars= 8, regs= 4/0, args= 24, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
li	$2,268435456			# 0x10000000
sw	$18,40($sp)
sw	$16,32($sp)
sw	$31,44($sp)
sw	$17,36($sp)
ori	$2,$2,0x100
move	$16,$4
move	$18,$6
beq	$5,$2,$L26
lw	$17,16($4)

li	$2,536870912			# 0x20000000
ori	$2,$2,0x300
beq	$5,$2,$L27
li	$3,-1			# 0xffffffffffffffff

$L28:
lw	$31,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,48

$L26:
lw	$4,12($6)
lw	$3,20($16)
lw	$6,8($6)
sll	$4,$4,1
li	$5,4			# 0x4
li	$2,29			# 0x1d
sw	$2,16($3)
sw	$5,20($3)
sw	$6,8($3)
beq	$4,$5,$L29
sw	$4,12($3)

lui	$6,%hi($LC1)
addiu	$6,$6,%lo($LC1)
li	$4,37			# 0x25
jal	mp_msg
li	$5,1			# 0x1

li	$3,2			# 0x2
lw	$31,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,48

$L27:
lui	$5,%hi($LC6)
move	$4,$6
addiu	$5,$5,%lo($LC6)
move	$2,$0
addiu	$6,$sp,24
jal	sscanf
sw	$2,24($sp)

lw	$16,24($sp)
move	$5,$0
jal	__ltsf2
move	$4,$16

bltz	$2,$L45
lui	$2,%hi($LC5)

lw	$5,%lo($LC5)($2)
jal	__gtsf2
move	$4,$16

bgtz	$2,$L45
li	$3,1			# 0x1

sw	$16,648($17)
$L55:
lw	$31,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,48

$L45:
jal	__extendsfdf2
move	$4,$16

lui	$6,%hi($LC7)
addiu	$6,$6,%lo($LC7)
li	$4,37			# 0x25
li	$5,1			# 0x1
sw	$2,16($sp)
jal	mp_msg
sw	$3,20($sp)

li	$3,-2			# 0xfffffffffffffffe
$L58:
lw	$31,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,48

$L29:
jal	__floatsisf
move	$4,$6

lui	$3,%hi($LC2)
lw	$4,%lo($LC2)($3)
jal	__divsf3
move	$5,$2

li	$7,65536			# 0x10000
sw	$2,24($sp)
ori	$7,$7,0x4
move	$2,$0
li	$4,32			# 0x20
addiu	$5,$17,512
addiu	$6,$sp,24
jal	af_filter_design_fir
sw	$2,16($sp)

li	$3,-1			# 0xffffffffffffffff
beq	$2,$3,$L53
lui	$6,%hi($LC3)

lw	$4,644($17)
beq	$4,$0,$L33
nop

jal	uc_free
nop

$L33:
lw	$4,640($17)
beq	$4,$0,$L35
nop

jal	uc_free
nop

$L35:
lw	$2,20($16)
li	$4,65536			# 0x10000
jal	uc_calloc
lw	$5,20($2)

lw	$3,20($16)
sw	$2,644($17)
lw	$5,20($3)
jal	uc_calloc
li	$4,65536			# 0x10000

move	$3,$2
lw	$2,644($17)
beq	$2,$0,$L37
sw	$3,640($17)

beq	$3,$0,$L57
lui	$6,%hi($LC4)

lw	$2,20($16)
$L56:
li	$4,1			# 0x1
lw	$7,8($2)
lui	$2,%hi($LC5)
lw	$3,%lo($LC5)($2)
addiu	$5,$17,648
move	$2,$0
addiu	$6,$17,656
sw	$3,20($sp)
jal	af_from_ms
sw	$2,16($sp)

li	$3,1			# 0x1
bne	$2,$3,$L58
li	$3,-2			# 0xfffffffffffffffe

lw	$4,20($16)
sw	$0,660($17)
lw	$5,16($4)
lw	$2,16($18)
beq	$5,$2,$L54
nop

$L42:
lw	$2,20($4)
move	$3,$0
sw	$2,20($18)
j	$L28
sw	$5,16($18)

$L37:
lui	$6,%hi($LC4)
$L57:
addiu	$6,$6,%lo($LC4)
li	$4,37			# 0x25
jal	mp_msg
move	$5,$0

j	$L56
lw	$2,20($16)

$L53:
addiu	$6,$6,%lo($LC3)
li	$4,37			# 0x25
jal	mp_msg
li	$5,1			# 0x1

j	$L28
li	$3,-2			# 0xfffffffffffffffe

$L54:
lw	$3,20($4)
lw	$2,20($18)
bne	$3,$2,$L42
nop

j	$L55
li	$3,1			# 0x1

.set	macro
.set	reorder
.end	control
.globl	af_info_surround
.section	.rodata.str1.4
.align	2
$LC8:
.ascii	"Surround decoder filter\000"
.align	2
$LC9:
.ascii	"surround\000"
.align	2
$LC10:
.ascii	"Steve Davies <[e-mail]>\000"
.subsection	-1
.align	2
$LC11:
.ascii	"\000"
.data
.align	2
.type	af_info_surround, @object
.size	af_info_surround, 24
af_info_surround:
.word	$LC8
.word	$LC9
.word	$LC10
.word	$LC11
.word	1
.word	af_open
.align	2
.type	steering_matrix, @object
.size	steering_matrix, 48
steering_matrix:
.word	1060437492
.word	0
.word	0
.word	1060437492
.word	1056964608
.word	-1090519040
.word	1058437648
.word	-1094116075
.word	1053367573
.word	-1089046000
.word	1056964608
.word	1056964608
.ident	"GCC: (GNU) 4.1.2"