af_volume.mid

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」· MID 代码 · 共 985 行

	.file	1 "af_volume.c"
	.section .mdebug.abi32
	.previous
	.section	.rodata.cst4,"aM",@progbits,4
	.align	2
$LC0:
	.word	1065353216
	.section	.text.af_open,"ax",@progbits
	.align	2
	.align	5
	.ent	af_open
	.type	af_open, @function
af_open:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lui	$2,%hi(control)
	addiu	$sp,$sp,-32
	addiu	$2,$2,%lo(control)
	sw	$31,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lui	$3,%hi(uninit)
	sw	$2,4($4)
	lui	$2,%hi(play)
	addiu	$3,$3,%lo(uninit)
	li	$17,1			# 0x1
	addiu	$2,$2,%lo(play)
	move	$16,$4
	sw	$3,8($4)
	sw	$2,12($4)
	sw	$17,40($4)
	sw	$17,44($4)
	li	$5,24			# 0x18
	jal	uc_calloc
	li	$4,1			# 0x1

	sw	$2,20($16)
	li	$4,1			# 0x1
	jal	uc_calloc
	li	$5,108			# 0x6c

	move	$4,$2
	lw	$2,20($16)
	bne	$2,$0,$L8
	sw	$4,16($16)

$L2:
	li	$5,-2			# 0xfffffffffffffffe
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,32

$L8:
	beq	$4,$0,$L2
	li	$5,1			# 0x1

	lui	$2,%hi($LC0)
	lw	$3,%lo($LC0)($2)
	sw	$17,20($4)
	sw	$3,92($4)
	sw	$17,0($4)
	sw	$3,72($4)
	sw	$17,4($4)
	sw	$3,76($4)
	sw	$17,8($4)
	sw	$3,80($4)
	sw	$17,12($4)
	sw	$3,84($4)
	sw	$17,16($4)
	sw	$3,88($4)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	af_open
	.globl	__extendsfdf2
	.globl	__muldf3
	.globl	__fixdfsi
	.globl	__subsf3
	.globl	__mulsf3
	.globl	__gtsf2
	.globl	__addsf3
	.globl	__lesf2
	.globl	__gesf2
	.section	.rodata.cst8,"aM",@progbits,8
	.align	3
$LC1:
	.word	0
	.word	1081073664
	.section	.rodata.cst4
	.align	2
$LC2:
	.word	1065353216
	.align	2
$LC3:
	.word	-1082130432
	.section	.text.play,"ax",@progbits
	.align	2
	.align	5
	.ent	play
	.type	play, @function
play:
	.frame	$sp,72,$31		# vars= 16, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-72
	sw	$31,68($sp)
	sw	$fp,64($sp)
	sw	$23,60($sp)
	sw	$22,56($sp)
	sw	$21,52($sp)
	sw	$20,48($sp)
	sw	$19,44($sp)
	sw	$18,40($sp)
	sw	$17,36($sp)
	sw	$16,32($sp)
	lw	$2,20($4)
	lw	$23,16($4)
	lw	$3,16($2)
	li	$2,9			# 0x9
	sw	$5,76($sp)
	beq	$3,$2,$L50
	lw	$21,12($5)

	li	$2,29			# 0x1d
	beq	$3,$2,$L51
	lw	$3,76($sp)

$L12:
	lw	$2,76($sp)
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	j	$31
	addiu	$sp,$sp,72

$L51:
	lw	$2,4($3)
	lw	$4,0($3)
	slt	$3,$2,0
	sw	$4,20($sp)
	addiu	$4,$2,3
	movn	$2,$4,$3
	blez	$21,$L12
	sra	$fp,$2,2

	sll	$5,$21,2
	move	$19,$23
	sw	$0,16($sp)
	sw	$5,28($sp)
$L25:
	lw	$2,0($19)
	beq	$2,$0,$L54
	lw	$10,16($sp)

	lui	$10,%hi($LC2)
	lw	$4,%lo($LC2)($10)
	jal	__subsf3
	lw	$5,96($23)

	lw	$3,16($sp)
	sw	$2,24($sp)
	slt	$2,$3,$fp
	beq	$2,$0,$L54
	lw	$10,16($sp)

	lw	$20,20($sp)
	j	$L29
	addu	$22,$21,$3

$L53:
	lw	$2,100($23)
	bne	$2,$0,$L52
	sw	$17,24($19)

	lui	$10,%hi($LC2)
$L55:
	addiu	$10,$10,%lo($LC2)
	lw	$5,0($10)
	jal	__lesf2
	move	$4,$18

	blez	$2,$L40
	lui	$2,%hi($LC2)

	addiu	$2,$2,%lo($LC2)
	lw	$16,0($2)
$L39:
	addu	$22,$22,$21
	subu	$2,$22,$21
	lw	$5,28($sp)
	slt	$2,$2,$fp
	sw	$16,0($20)
	beq	$2,$0,$L26
	addu	$20,$20,$5

$L29:
	lw	$16,0($20)
	move	$5,$16
	jal	__mulsf3
	move	$4,$16

	lw	$5,48($19)
	move	$4,$2
	jal	__gtsf2
	move	$17,$2

	blez	$2,$L30
	nop

	sw	$17,48($19)
$L30:
	lw	$5,72($19)
	jal	__mulsf3
	move	$4,$16

	move	$4,$2
	move	$5,$2
	jal	__mulsf3
	move	$18,$2

	lw	$16,24($19)
	move	$4,$2
	move	$5,$16
	jal	__gtsf2
	move	$17,$2

	bgtz	$2,$L53
	lw	$4,24($sp)

	jal	__mulsf3
	move	$5,$16

	lw	$5,96($23)
	move	$4,$17
	jal	__mulsf3
	move	$16,$2

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

	sw	$2,24($19)
	lw	$2,100($23)
	beq	$2,$0,$L55
	lui	$10,%hi($LC2)

$L52:
	jal	af_softclip
	move	$4,$18

	addu	$22,$22,$21
	move	$16,$2
	lw	$5,28($sp)
	subu	$2,$22,$21
	slt	$2,$2,$fp
	sw	$16,0($20)
	bne	$2,$0,$L29
	addu	$20,$20,$5

$L26:
	lw	$10,16($sp)
$L54:
	lw	$2,20($sp)
	addiu	$10,$10,1
	addiu	$2,$2,4
	sw	$10,16($sp)
	addiu	$19,$19,4
	bne	$21,$10,$L25
	sw	$2,20($sp)

	lw	$2,76($sp)
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	j	$31
	addiu	$sp,$sp,72

$L40:
	lui	$3,%hi($LC3)
	addiu	$3,$3,%lo($LC3)
	lw	$5,0($3)
	move	$4,$18
	jal	__gesf2
	move	$16,$18

	bgez	$2,$L39
	nop

	lui	$4,%hi($LC3)
	addiu	$4,$4,%lo($LC3)
	j	$L39
	lw	$16,0($4)

$L50:
	lw	$3,4($5)
	lw	$19,0($5)
	srl	$2,$3,31
	addu	$2,$2,$3
	blez	$21,$L12
	sra	$18,$2,1

	move	$16,$23
	move	$20,$0
	sll	$17,$21,1
$L14:
	lw	$2,0($16)
	beq	$2,$0,$L15
	nop

	jal	__extendsfdf2
	lw	$4,72($16)

	move	$4,$2
	lui	$2,%hi($LC1)
	addiu	$2,$2,%lo($LC1)
	lw	$7,4($2)
	lw	$6,0($2)
	jal	__muldf3
	move	$5,$3

	move	$4,$2
	jal	__fixdfsi
	move	$5,$3

	move	$7,$2
	slt	$2,$20,$18
	beq	$2,$0,$L15
	nop

	addu	$5,$21,$20
	move	$4,$19
	li	$9,32768			# 0x8000
	li	$8,-32768			# 0xffffffffffff8000
$L18:
	lh	$2,0($4)
	move	$10,$8
	mul	$2,$7,$2
	sra	$2,$2,8
	slt	$3,$2,-32768
	movz	$10,$2,$3
	slt	$2,$2,$9
	beq	$2,$0,$L21
	li	$6,32767			# 0x7fff

	sll	$6,$10,16
	sra	$6,$6,16
$L21:
	addu	$5,$5,$21
	subu	$2,$5,$21
	slt	$2,$2,$18
	sh	$6,0($4)
	bne	$2,$0,$L18
	addu	$4,$4,$17

$L15:
	addiu	$20,$20,1
	addiu	$16,$16,4
	bne	$21,$20,$L14
	addiu	$19,$19,2

	lw	$2,76($sp)
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	j	$31
	addiu	$sp,$sp,72

	.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)
	lw	$2,20($4)
	move	$16,$4
	beq	$2,$0,$L57
	move	$4,$2

	jal	uc_free
	nop

$L57:
	lw	$2,16($16)
	beq	$2,$0,$L61
	move	$4,$2

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

$L61:
	lw	$31,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	uninit
	.globl	__floatsisf
	.globl	__divdf3
	.globl	__truncdfsf2
	.globl	__subdf3
	.globl	__adddf3
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC8:
	.ascii	"[volume] Forgetting factor = %0.5f\012\000"
	.align	2
$LC9:
	.ascii	"%f:%i\000"
	.align	2
$LC14:
	.ascii	"[volume] The maximum volume was %0.2fdB \012\000"
	.section	.rodata.cst8
	.align	3
$LC4:
	.word	-1627395514
	.word	1079480283
	.align	3
$LC5:
	.word	0
	.word	1073741824
	.section	.rodata.cst4
	.align	2
$LC6:
	.word	1065353216
	.section	.rodata.cst8
	.align	3
$LC7:
	.word	0
	.word	1072693248
	.section	.rodata.cst4
	.align	2
$LC10:
	.word	1101004800
	.align	2
$LC11:
	.word	-1018691584
	.align	2
$LC12:
	.word	1114636288
	.align	2
$LC13:
	.word	1092616192
	.section	.text.control,"ax",@progbits
	.align	2
	.align	5
	.ent	control
	.type	control, @function
control:
	.frame	$sp,88,$31		# vars= 32, regs= 7/0, args= 24, gp= 0
	.mask	0x803f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-88
	sw	$16,56($sp)
	li	$16,1073741824			# 0x40000000
	sw	$21,76($sp)
	sw	$20,72($sp)
	sw	$31,80($sp)
	sw	$19,68($sp)
	sw	$18,64($sp)
	sw	$17,60($sp)
	ori	$2,$16,0xb01
	move	$20,$4
	move	$21,$6
	beq	$5,$2,$L69
	lw	$19,16($4)

	slt	$2,$2,$5
	beq	$2,$0,$L96
	li	$3,536870912			# 0x20000000

	ori	$2,$16,0xd00
	beq	$5,$2,$L72
	slt	$2,$2,$5

	beq	$2,$0,$L97
	ori	$2,$16,0xc00

	ori	$2,$16,0xe01
	beq	$5,$2,$L74
	ori	$2,$16,0xf01

	beq	$5,$2,$L75
	ori	$2,$16,0xd01

	beq	$5,$2,$L73
	lui	$2,%hi($LC10)

$L63:
	li	$3,-1			# 0xffffffffffffffff
	lw	$31,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,88

$L96:
	ori	$2,$3,0x200
	beq	$5,$2,$L66
	slt	$2,$2,$5

	beq	$2,$0,$L98
	li	$2,268435456			# 0x10000000

	ori	$2,$3,0x300
	beq	$5,$2,$L67
	ori	$2,$16,0xb00

	bne	$5,$2,$L63
	move	$5,$6

	move	$4,$19
	jal	memcpy
	li	$6,24			# 0x18

	j	$L79
	li	$3,1			# 0x1

$L69:
	move	$4,$6
	move	$5,$19
	jal	memcpy
	li	$6,24			# 0x18

	li	$3,1			# 0x1
$L79:
	lw	$31,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,88

$L97:
	beq	$5,$2,$L70
	ori	$2,$16,0xc01

	bne	$5,$2,$L63
	li	$3,1			# 0x1

	lw	$2,100($19)
	j	$L79
	sw	$2,0($6)

$L98:
	ori	$2,$2,0x100
	beq	$5,$2,$L64
	ori	$2,$3,0x100

	bne	$5,$2,$L63
	li	$3,1			# 0x1

	lw	$2,0($6)
	srl	$2,$2,2
	xori	$2,$2,0x1
	andi	$2,$2,0x1
	j	$L79
	sw	$2,104($19)

$L66:
	lw	$2,104($19)
	move	$3,$0
	bne	$2,$0,$L95
	sw	$3,24($sp)

	lw	$16,48($19)
	move	$5,$0
	jal	__gesf2
	move	$4,$16

	bltz	$2,$L99
	nop

$L88:
	lw	$17,52($19)
	move	$5,$16
	move	$4,$17
	jal	__gesf2
	sw	$16,24($sp)

	bltz	$2,$L100
	nop

$L89:
	lw	$18,56($19)
	move	$5,$17
	move	$4,$18
	jal	__gesf2
	sw	$17,24($sp)

	bltz	$2,$L101
	nop

$L90:
	lw	$17,60($19)
	move	$4,$18
	move	$5,$17
	move	$16,$18
	jal	__gesf2
	sw	$18,24($sp)

	bltz	$2,$L102
	nop

$L91:
	lw	$18,64($19)
	move	$4,$16
	move	$5,$18
	move	$17,$16
	jal	__gesf2
	sw	$16,24($sp)

	bltz	$2,$L103
	nop

$L92:
	lw	$16,68($19)
	move	$5,$17
	move	$4,$16
	jal	__gesf2
	sw	$17,24($sp)

	bltz	$2,$L104
	nop

$L93:
	lui	$2,%hi($LC13)
	addiu	$5,$sp,24
	lw	$7,%lo($LC13)($2)
	move	$6,$5
	li	$4,1			# 0x1
	jal	af_to_dB
	sw	$16,24($sp)

	jal	__extendsfdf2
	lw	$4,24($sp)

	lui	$6,%hi($LC14)
	addiu	$6,$6,%lo($LC14)
	li	$4,37			# 0x25
	li	$5,4			# 0x4
	sw	$2,16($sp)
	jal	mp_msg
	sw	$3,20($sp)

$L95:
	li	$3,1			# 0x1
	lw	$31,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,88

$L72:
	lui	$2,%hi($LC10)
	lw	$7,%lo($LC10)($2)
	lui	$2,%hi($LC11)
	lw	$3,%lo($LC11)($2)
	lui	$2,%hi($LC12)
	sw	$3,16($sp)
	lw	$3,%lo($LC12)($2)
	move	$5,$6
	li	$4,6			# 0x6
	addiu	$6,$19,72
	jal	af_from_dB
	sw	$3,20($sp)

	move	$3,$2
	lw	$31,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,88

$L73:
	lw	$7,%lo($LC10)($2)
	addiu	$5,$19,72
	jal	af_to_dB
	li	$4,6			# 0x6

	j	$L79
	move	$3,$2

$L64:
	beq	$6,$0,$L79
	li	$3,-2			# 0xfffffffffffffffe

	lw	$4,20($4)
	lw	$2,8($6)
	lw	$3,12($6)
	sw	$2,8($4)
	sw	$3,12($4)
	lw	$2,104($19)
	beq	$2,$0,$L82
	li	$2,29			# 0x1d

	lw	$3,16($6)
	beq	$3,$2,$L82
	li	$2,2			# 0x2

	li	$3,9			# 0x9
	sw	$2,20($4)
	sw	$3,16($4)
$L85:
	move	$4,$20
	jal	af_test_output
	move	$5,$21

	j	$L79
	move	$3,$2

$L74:
	lui	$2,%hi($LC13)
	lw	$7,%lo($LC13)($2)
	addiu	$5,$19,24
	jal	af_to_dB
	li	$4,6			# 0x6

	j	$L79
	move	$3,$2

$L67:
	lui	$5,%hi($LC9)
	move	$4,$6
	addiu	$5,$5,%lo($LC9)
	addiu	$7,$19,100
	addiu	$6,$sp,24
	move	$2,$0
	jal	sscanf
	sw	$2,24($sp)

	lw	$3,24($sp)
	move	$4,$20
	ori	$5,$16,0xd00
	addiu	$6,$sp,28
	sw	$3,48($sp)
	sw	$3,28($sp)
	sw	$3,32($sp)
	sw	$3,36($sp)
	sw	$3,40($sp)
	jal	control
	sw	$3,44($sp)

	j	$L79
	move	$3,$2

$L70:
	lw	$2,0($6)
	li	$3,1			# 0x1
	j	$L79
	sw	$2,100($19)

$L75:
	lui	$2,%hi($LC13)
	lw	$7,%lo($LC13)($2)
	addiu	$5,$19,48
	jal	af_to_dB
	li	$4,6			# 0x6

	j	$L79
	move	$3,$2

$L82:
	jal	__floatsisf
	lw	$4,8($4)

	jal	__extendsfdf2
	move	$4,$2

	lui	$6,%hi($LC4)
	lw	$4,%lo($LC4)($6)
	lw	$5,%lo($LC4+4)($6)
	move	$7,$3
	jal	__divdf3
	move	$6,$2

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	jal	__extendsfdf2
	move	$4,$2

	move	$4,$2
	jal	cos
	move	$5,$3

	lui	$6,%hi($LC5)
	lw	$4,%lo($LC5)($6)
	lw	$5,%lo($LC5+4)($6)
	move	$7,$3
	jal	__subdf3
	move	$6,$2

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	move	$4,$2
	move	$5,$2
	jal	__mulsf3
	move	$18,$2

	lui	$3,%hi($LC6)
	lw	$5,%lo($LC6)($3)
	jal	__subsf3
	move	$4,$2

	jal	__extendsfdf2
	move	$4,$2

	move	$5,$3
	jal	sqrt
	move	$4,$2

	move	$4,$18
	move	$16,$2
	jal	__extendsfdf2
	move	$17,$3

	move	$6,$2
	move	$4,$16
	move	$5,$17
	jal	__subdf3
	move	$7,$3

	lui	$4,%hi($LC7)
	lw	$6,%lo($LC7)($4)
	lw	$7,%lo($LC7+4)($4)
	move	$5,$3
	jal	__adddf3
	move	$4,$2

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	move	$4,$2
	jal	__extendsfdf2
	sw	$2,96($19)

	lui	$6,%hi($LC8)
	li	$4,37			# 0x25
	addiu	$6,$6,%lo($LC8)
	li	$5,7			# 0x7
	sw	$2,16($sp)
	jal	mp_msg
	sw	$3,20($sp)

	lw	$4,20($20)
	li	$2,4			# 0x4
	li	$3,29			# 0x1d
	sw	$2,20($4)
	j	$L85
	sw	$3,16($4)

$L104:
	j	$L93
	move	$16,$17

$L103:
	j	$L92
	move	$17,$18

$L102:
	j	$L91
	move	$16,$17

$L101:
	j	$L90
	move	$18,$17

$L100:
	j	$L89
	move	$17,$16

$L99:
	j	$L88
	move	$16,$0

	.set	macro
	.set	reorder
	.end	control
	.globl	af_info_volume
	.section	.rodata.str1.4
	.align	2
$LC15:
	.ascii	"Volume control audio filter\000"
	.align	2
$LC16:
	.ascii	"volume\000"
	.align	2
$LC17:
	.ascii	"Anders\000"
	.subsection	-1
	.align	2
$LC18:
	.ascii	"\000"
	.data
	.align	2
	.type	af_info_volume, @object
	.size	af_info_volume, 24
af_info_volume:
	.word	$LC15
	.word	$LC16
	.word	$LC17
	.word	$LC18
	.word	1
	.word	af_open
	.ident	"GCC: (GNU) 4.1.2"