af_pan.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 750 行

.file	1 "af_pan.c"
.section .mdebug.abi32
.previous
.section	.text.af_open,"ax",@progbits
.align	2
.align	5
.ent	af_open
.type	af_open, @function
af_open:
.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
lui	$2,%hi(control)
sw	$16,16($sp)
addiu	$2,$2,%lo(control)
move	$16,$4
sw	$31,20($sp)
lui	$3,%hi(uninit)
sw	$2,4($16)
lui	$2,%hi(play)
li	$4,1			# 0x1
addiu	$3,$3,%lo(uninit)
addiu	$2,$2,%lo(play)
sw	$3,8($16)
sw	$4,44($16)
sw	$4,40($16)
li	$5,24			# 0x18
jal	uc_calloc
sw	$2,12($16)

sw	$2,20($16)
li	$4,1			# 0x1
jal	uc_calloc
li	$5,148			# 0x94

move	$3,$2
lw	$2,20($16)
beq	$2,$0,$L2
sw	$3,16($16)

beq	$3,$0,$L2
li	$2,1			# 0x1

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

$L2:
lw	$31,20($sp)
lw	$16,16($sp)
li	$2,-2			# 0xfffffffffffffffe
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	af_open
.globl	__mulsf3
.globl	__addsf3
.section	.text.play,"ax",@progbits
.align	2
.align	5
.ent	play
.type	play, @function
play:
.frame	$sp,88,$31		# vars= 32, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-88
sw	$31,84($sp)
sw	$fp,80($sp)
sw	$23,76($sp)
sw	$22,72($sp)
sw	$21,68($sp)
sw	$20,64($sp)
sw	$19,60($sp)
sw	$18,56($sp)
sw	$17,52($sp)
sw	$16,48($sp)
lw	$2,20($4)
sw	$4,88($sp)
lw	$3,88($sp)
sw	$2,32($sp)
sw	$5,92($sp)
lw	$6,92($sp)
lw	$16,4($2)
lw	$5,44($3)
lw	$2,16($3)
lw	$4,40($4)
lw	$3,32($sp)
sw	$2,28($sp)
lw	$18,0($6)
lw	$17,4($6)
lw	$21,12($6)
jal	af_lencalc
lw	$fp,12($3)

slt	$16,$16,$2
bne	$16,$0,$L27
lw	$4,88($sp)

$L9:
addiu	$4,$17,3
slt	$3,$17,0
move	$2,$17
movn	$2,$4,$3
sra	$2,$2,2
lw	$4,32($sp)
sll	$2,$2,2
addu	$2,$18,$2
lw	$4,0($4)
sltu	$3,$18,$2
move	$23,$18
sw	$2,20($sp)
beq	$3,$0,$L14
sw	$4,44($sp)

sll	$5,$21,2
sll	$2,$fp,2
addu	$3,$18,$5
sw	$5,36($sp)
sw	$4,24($sp)
sw	$2,40($sp)
sw	$3,16($sp)
$L16:
blez	$fp,$L29
lw	$5,16($sp)

lw	$22,24($sp)
move	$20,$0
$L20:
blez	$21,$L28
sll	$3,$20,3

sll	$2,$20,5
lw	$4,28($sp)
subu	$2,$2,$3
addu	$2,$4,$2
addiu	$18,$2,4
move	$17,$23
move	$16,$0
move	$19,$0
$L17:
lw	$4,0($17)
lw	$5,0($18)
jal	__mulsf3
addiu	$16,$16,1

move	$5,$2
jal	__addsf3
move	$4,$19

move	$19,$2
addiu	$17,$17,4
bne	$21,$16,$L17
addiu	$18,$18,4

addiu	$20,$20,1
sw	$19,0($22)
bne	$fp,$20,$L20
addiu	$22,$22,4

lw	$5,16($sp)
$L29:
lw	$2,36($sp)
lw	$3,20($sp)
addu	$5,$5,$2
subu	$2,$5,$2
lw	$4,36($sp)
sltu	$2,$2,$3
sw	$5,16($sp)
beq	$2,$0,$L14
addu	$23,$23,$4

lw	$5,24($sp)
lw	$2,40($sp)
addu	$5,$5,$2
j	$L16
sw	$5,24($sp)

$L28:
move	$19,$0
addiu	$20,$20,1
sw	$19,0($22)
bne	$fp,$20,$L20
addiu	$22,$22,4

j	$L29
lw	$5,16($sp)

$L14:
lw	$3,88($sp)
lw	$5,92($sp)
lw	$4,40($3)
lw	$2,4($5)
lw	$3,44($3)
mul	$2,$2,$4
lw	$4,32($sp)
div	$0,$2,$3
teq	$3,$0,7
lw	$5,12($4)
lw	$3,92($sp)
lw	$4,44($sp)
sw	$5,12($3)
sw	$4,0($3)
mflo	$2
sw	$2,4($3)
lw	$31,84($sp)
$L30:
lw	$fp,80($sp)
lw	$23,76($sp)
lw	$22,72($sp)
lw	$21,68($sp)
lw	$20,64($sp)
lw	$19,60($sp)
lw	$18,56($sp)
lw	$17,52($sp)
lw	$16,48($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,88

$L27:
jal	af_resize_local_buffer
lw	$5,92($sp)

li	$3,1			# 0x1
beq	$2,$3,$L9
move	$3,$0

j	$L30
lw	$31,84($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,$0,$L32
nop

jal	uc_free
lw	$4,0($4)

lw	$4,20($16)
$L32:
jal	uc_free
nop

lw	$2,16($16)
beq	$2,$0,$L36
move	$4,$2

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

$L36:
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	uninit
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"%i%n\000"
.align	2
$LC1:
.ascii	":%f%n\000"
.align	2
$LC2:
.ascii	"[pan] Pan level from channel %i to channel %i = %f\012\000"
.globl	__extendsfdf2
.align	2
$LC3:
.ascii	"[pan] The number of output channels must be between 1 an"
.ascii	"d %i. Current value is %i\012\000"
.globl	__gtsf2
.globl	__subsf3
.globl	__gesf2
.globl	__ltsf2
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC4:
.word	1065353216
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.frame	$sp,72,$31		# vars= 8, regs= 8/0, args= 32, gp= 0
.mask	0x807f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$17,44($sp)
li	$17,1073741824			# 0x40000000
sw	$19,52($sp)
sw	$18,48($sp)
sw	$31,68($sp)
sw	$22,64($sp)
sw	$21,60($sp)
sw	$20,56($sp)
sw	$16,40($sp)
ori	$2,$17,0x1a01
move	$18,$4
move	$19,$6
beq	$5,$2,$L42
lw	$20,16($4)

slt	$2,$2,$5
beq	$2,$0,$L82
li	$2,536870912			# 0x20000000

ori	$2,$17,0x1b01
beq	$5,$2,$L44
slt	$2,$2,$5

beq	$2,$0,$L83
ori	$2,$17,0x1b00

ori	$2,$17,0x2500
beq	$5,$2,$L45
ori	$2,$17,0x2501

beq	$5,$2,$L46
li	$7,-1			# 0xffffffffffffffff

$L90:
lw	$31,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
move	$2,$7
j	$31
addiu	$sp,$sp,72

$L82:
ori	$2,$2,0x300
beq	$5,$2,$L40
ori	$2,$17,0x1a00

beq	$5,$2,$L41
li	$2,268435456			# 0x10000000

ori	$2,$2,0x100
bne	$5,$2,$L90
li	$7,-1			# 0xffffffffffffffff

beq	$6,$0,$L50
li	$3,29			# 0x1d

lw	$4,20($4)
lw	$2,8($6)
sw	$2,8($4)
li	$2,4			# 0x4
sw	$3,16($4)
sw	$2,20($4)
lw	$2,0($20)
bne	$2,$0,$L52
nop

lw	$2,12($6)
$L52:
sw	$2,12($4)
sw	$2,40($18)
lw	$2,12($19)
addiu	$4,$18,40
jal	af_frac_cancel
sw	$2,44($18)

lw	$4,20($18)
lw	$2,16($19)
lw	$3,16($4)
beq	$3,$2,$L84
nop

lw	$4,20($4)
$L54:
move	$7,$0
sw	$4,20($19)
j	$L49
sw	$3,16($19)

$L42:
lw	$3,4($6)
slt	$2,$3,6
beq	$2,$0,$L63
lw	$6,0($6)

sll	$2,$3,5
sll	$3,$3,3
subu	$2,$2,$3
addu	$2,$2,$20
lw	$4,4($2)
li	$7,1			# 0x1
sw	$4,0($6)
lw	$3,8($2)
sw	$3,4($6)
lw	$4,12($2)
sw	$4,8($6)
lw	$3,16($2)
sw	$3,12($6)
lw	$4,20($2)
sw	$4,16($6)
lw	$3,24($2)
sw	$3,20($6)
$L49:
lw	$31,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
move	$2,$7
j	$31
addiu	$sp,$sp,72

$L83:
bne	$5,$2,$L90
li	$7,-1			# 0xffffffffffffffff

lw	$3,0($6)
addiu	$2,$3,-1
sltu	$2,$2,6
beq	$2,$0,$L85
lui	$6,%hi($LC3)

li	$7,1			# 0x1
j	$L49
sw	$3,0($20)

$L41:
lw	$3,4($6)
slt	$2,$3,6
bne	$2,$0,$L86
lw	$6,0($6)

$L63:
move	$7,$0
lw	$31,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
move	$2,$7
j	$31
addiu	$sp,$sp,72

$L40:
addiu	$16,$sp,32
addiu	$22,$sp,36
lui	$5,%hi($LC0)
addiu	$5,$5,%lo($LC0)
move	$6,$16
move	$7,$22
move	$4,$19
sw	$0,32($sp)
jal	sscanf
sw	$0,36($sp)

move	$4,$18
ori	$5,$17,0x1b00
jal	control
move	$6,$16

li	$3,1			# 0x1
beq	$2,$3,$L87
lw	$2,36($sp)

$L50:
j	$L49
li	$7,-2			# 0xfffffffffffffffe

$L44:
lw	$3,20($4)
li	$7,1			# 0x1
lw	$2,12($3)
sw	$2,0($6)
lw	$31,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
move	$2,$7
j	$31
addiu	$sp,$sp,72

$L86:
sll	$2,$3,5
sll	$3,$3,3
lw	$4,0($6)
subu	$2,$2,$3
addu	$2,$2,$20
sw	$4,4($2)
lw	$5,4($6)
li	$7,1			# 0x1
sw	$5,8($2)
lw	$3,8($6)
sw	$3,12($2)
lw	$4,12($6)
sw	$4,16($2)
lw	$3,16($6)
sw	$3,20($2)
lw	$4,20($6)
j	$L49
sw	$4,24($2)

$L87:
move	$16,$0
addu	$18,$19,$2
addiu	$21,$20,4
move	$19,$0
$L58:
sll	$3,$16,1
sll	$2,$16,3
subu	$2,$2,$3
addu	$2,$2,$19
lb	$3,0($18)
sll	$17,$2,2
lui	$5,%hi($LC1)
li	$2,58			# 0x3a
addiu	$5,$5,%lo($LC1)
move	$4,$18
addu	$6,$21,$17
move	$7,$22
bne	$3,$2,$L56
slt	$8,$19,6

beq	$8,$0,$L56
nop

jal	sscanf
nop

sw	$16,16($sp)
addu	$2,$17,$20
lw	$4,4($2)
jal	__extendsfdf2
addiu	$16,$16,1

lui	$6,%hi($LC2)
addiu	$6,$6,%lo($LC2)
move	$7,$19
li	$4,37			# 0x25
li	$5,6			# 0x6
sw	$2,24($sp)
jal	mp_msg
sw	$3,28($sp)

lw	$2,32($sp)
slt	$2,$16,$2
bne	$2,$0,$L60
lw	$3,36($sp)

addiu	$19,$19,1
move	$16,$0
$L60:
j	$L58
addu	$18,$18,$3

$L46:
lw	$2,0($20)
bne	$2,$0,$L50
nop

lw	$5,28($20)
jal	__subsf3
lw	$4,8($20)

li	$7,1			# 0x1
j	$L49
sw	$2,0($19)

$L84:
lw	$4,20($4)
lw	$2,20($19)
bne	$4,$2,$L54
nop

$L56:
j	$L49
li	$7,1			# 0x1

$L45:
lw	$2,0($20)
bne	$2,$0,$L50
lw	$16,0($6)

lw	$3,20($4)
lw	$2,12($3)
slt	$2,$2,2
bne	$2,$0,$L49
li	$7,1			# 0x1

move	$4,$16
jal	__gtsf2
move	$5,$0

blez	$2,$L70
lui	$18,%hi($LC4)

lw	$4,%lo($LC4)($18)
jal	__subsf3
move	$5,$16

sw	$2,4($20)
move	$4,$16
move	$5,$0
jal	__gesf2
move	$17,$16

bltz	$2,$L88
nop

$L73:
sw	$17,8($20)
move	$2,$0
$L74:
sw	$2,28($20)
move	$4,$16
jal	__ltsf2
move	$5,$0

bltz	$2,$L75
lw	$2,%lo($LC4)($18)

li	$7,1			# 0x1
j	$L49
sw	$2,32($20)

$L88:
j	$L73
move	$17,$0

$L75:
lw	$5,%lo($LC4)($18)
jal	__addsf3
move	$4,$16

li	$7,1			# 0x1
j	$L49
sw	$2,32($20)

$L70:
lw	$2,%lo($LC4)($18)
move	$4,$16
sw	$2,4($20)
move	$5,$0
jal	__gesf2
move	$17,$16

bltz	$2,$L89
nop

$L79:
li	$2,-2147483648			# 0xffffffff80000000
xor	$2,$16,$2
j	$L74
sw	$17,8($20)

$L89:
j	$L79
move	$17,$0

$L85:
li	$7,6			# 0x6
addiu	$6,$6,%lo($LC3)
li	$4,37			# 0x25
li	$5,1			# 0x1
jal	mp_msg
sw	$3,16($sp)

j	$L49
li	$7,-2			# 0xfffffffffffffffe

.set	macro
.set	reorder
.end	control
.globl	af_info_pan
.section	.rodata.str1.4
.align	2
$LC5:
.ascii	"Panning audio filter\000"
.align	2
$LC6:
.ascii	"pan\000"
.align	2
$LC7:
.ascii	"Anders\000"
.subsection	-1
.align	2
$LC8:
.ascii	"\000"
.data
.align	2
.type	af_info_pan, @object
.size	af_info_pan, 24
af_info_pan:
.word	$LC5
.word	$LC6
.word	$LC7
.word	$LC8
.word	0
.word	af_open
.ident	"GCC: (GNU) 4.1.2"