ad_pcm.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 425 行

	.file	1 "ad_pcm.c"
	.section .mdebug.abi32
	.previous
	.section	.text.init,"ax",@progbits
	.align	2
	.align	5
	.ent	init
	.type	init, @function
init:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	move	$6,$4
	lw	$4,156($4)
	li	$2,544669696			# 0x20770000
	lwl	$3,11($4)
	ori	$7,$2,0x6172
	lwr	$3,8($4)
	lw	$5,12($6)
	sw	$3,44($6)
	lbu	$2,3($4)
	lbu	$3,2($4)
	sll	$2,$2,8
	or	$2,$2,$3
	sw	$2,36($6)
	lwl	$3,7($4)
	lwr	$3,4($4)
	sw	$3,28($6)
	lbu	$2,15($4)
	lbu	$3,14($4)
	sll	$2,$2,8
	or	$2,$2,$3
	addiu	$2,$2,7
	sra	$4,$2,3
	li	$3,9			# 0x9
	sw	$3,24($6)
	beq	$5,$7,$L10
	sw	$4,32($6)

	sltu	$2,$7,$5
	beq	$2,$0,$L39
	li	$2,6			# 0x6

	li	$2,1718353920			# 0x666c0000
	ori	$2,$2,0x3332
	beq	$5,$2,$L14
	nop

	sltu	$2,$2,$5
	bne	$2,$0,$L22
	li	$3,1768816640			# 0x696e0000

	li	$3,842203136			# 0x32330000
	ori	$2,$3,0x6e69
	beq	$5,$2,$L12
	li	$2,24			# 0x18

	li	$2,875692032			# 0x34320000
	ori	$2,$2,0x6e69
	beq	$5,$2,$L13
	li	$4,3			# 0x3

	ori	$2,$3,0x6c66
	beq	$5,$2,$L40
	li	$4,4			# 0x4

$L3:
	lw	$4,32($6)
	li	$2,2			# 0x2
	beq	$4,$2,$L32
	nop

	li	$2,3			# 0x3
	sw	$2,24($6)
$L24:
	bne	$4,$0,$L32
	nop

	li	$2,2			# 0x2
	sw	$2,32($6)
$L32:
	j	$31
	li	$2,1			# 0x1

$L39:
	beq	$5,$2,$L6
	sltu	$2,$5,7

	bne	$2,$0,$L41
	sltu	$2,$5,2

	li	$2,17			# 0x11
	beq	$5,$2,$L8
	sltu	$2,$5,18

	bne	$2,$0,$L42
	li	$2,7			# 0x7

	li	$2,80			# 0x50
	beq	$5,$2,$L9
	li	$2,65534			# 0xfffe

	bne	$5,$2,$L3
	nop

$L4:
	lw	$4,32($6)
	li	$2,2			# 0x2
	beq	$4,$2,$L26
	slt	$2,$4,3

	bne	$2,$0,$L43
	li	$2,1			# 0x1

	li	$2,3			# 0x3
	beq	$4,$2,$L27
	li	$2,4			# 0x4

	bne	$4,$2,$L24
	li	$2,25			# 0x19

	j	$L24
	sw	$2,24($6)

$L10:
	li	$2,8			# 0x8
	li	$3,1			# 0x1
	bne	$4,$3,$L24
	sw	$2,24($6)

	li	$2,3			# 0x3
	j	$L24
	sw	$2,24($6)

$L22:
	ori	$2,$3,0x3332
	beq	$5,$2,$L16
	li	$4,4			# 0x4

	sltu	$2,$2,$5
	beq	$2,$0,$L44
	ori	$2,$3,0x3234

	li	$2,1936654336			# 0x736f0000
	ori	$2,$2,0x7774
	beq	$5,$2,$L17
	li	$2,1953955840			# 0x74770000

	ori	$2,$2,0x6f73
	bne	$5,$2,$L3
	nop

$L18:
	lw	$4,32($6)
	li	$2,1			# 0x1
	bne	$4,$2,$L24
	nop

	j	$L24
	sw	$4,24($6)

$L41:
	bne	$2,$0,$L4
	li	$2,3			# 0x3

	bne	$5,$2,$L3
	li	$2,29			# 0x1d

	lw	$4,32($6)
	j	$L24
	sw	$2,24($6)

$L14:
	li	$2,29			# 0x1d
	li	$4,4			# 0x4
	sw	$2,24($6)
	li	$2,1			# 0x1
	j	$31
	sw	$4,32($6)

$L6:
	li	$2,128			# 0x80
	j	$L24
	sw	$2,24($6)

$L42:
	bne	$5,$2,$L3
	li	$2,64			# 0x40

	lw	$4,32($6)
	j	$L24
	sw	$2,24($6)

$L44:
	bne	$5,$2,$L3
	li	$4,3			# 0x3

	li	$2,17			# 0x11
	sw	$4,32($6)
	j	$L32
	sw	$2,24($6)

$L43:
	bne	$4,$2,$L24
	li	$2,3			# 0x3

	j	$L24
	sw	$2,24($6)

$L40:
	li	$2,28			# 0x1c
	sw	$4,32($6)
	j	$L32
	sw	$2,24($6)

$L12:
	li	$4,4			# 0x4
	sw	$4,32($6)
	j	$L32
	sw	$2,24($6)

$L8:
	li	$2,320			# 0x140
	j	$L24
	sw	$2,24($6)

$L16:
	li	$2,25			# 0x19
	sw	$4,32($6)
	j	$L32
	sw	$2,24($6)

$L13:
	li	$2,16			# 0x10
	sw	$4,32($6)
	j	$L32
	sw	$2,24($6)

$L26:
	li	$2,9			# 0x9
	j	$L24
	sw	$2,24($6)

$L9:
	li	$2,192			# 0xc0
	j	$L24
	sw	$2,24($6)

$L17:
	li	$2,8			# 0x8
	j	$L18
	sw	$2,24($6)

$L27:
	li	$2,17			# 0x11
	j	$L24
	sw	$2,24($6)

	.set	macro
	.set	reorder
	.end	init
	.section	.text.preinit,"ax",@progbits
	.align	2
	.align	5
	.ent	preinit
	.type	preinit, @function
preinit:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	li	$2,2048			# 0x800
	sw	$2,64($4)
	j	$31
	li	$2,1			# 0x1

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

	.set	macro
	.set	reorder
	.end	uninit
	.section	.text.decode_audio,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_audio
	.type	decode_audio, @function
decode_audio:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$3,36($4)
	move	$8,$4
	lw	$4,32($4)
	mul	$3,$3,$4
	addu	$6,$3,$6
	addiu	$6,$6,-1
	divu	$0,$6,$3
	teq	$3,$0,7
	mflo	$6
	mul	$3,$3,$6
	move	$6,$3
	sltu	$3,$7,$3
	beq	$3,$0,$L55
	li	$2,-1			# 0xffffffffffffffff

	j	$31
	nop

$L55:
	j	demux_read_data
	lw	$4,4($8)

	.set	macro
	.set	reorder
	.end	decode_audio
	.section	.text.control,"ax",@progbits
	.align	2
	.align	5
	.ent	control
	.type	control, @function
control:
	.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
	.mask	0x80000000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	li	$2,2			# 0x2
	sw	$31,16($sp)
	li	$3,-1			# 0xffffffffffffffff
	beq	$5,$2,$L64
	sw	$7,36($sp)

	lw	$31,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

$L64:
	lw	$2,44($4)
	li	$6,-4			# 0xfffffffffffffffc
	slt	$3,$2,0
	addiu	$5,$2,15
	movn	$2,$5,$3
	sra	$2,$2,4
	lw	$4,4($4)
	and	$6,$2,$6
	jal	demux_read_data
	move	$5,$0

	li	$3,1			# 0x1
	lw	$31,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	control
	.globl	mpcodecs_ad_pcm
	.data
	.align	2
	.type	mpcodecs_ad_pcm, @object
	.size	mpcodecs_ad_pcm, 24
mpcodecs_ad_pcm:
	.word	info
	.word	preinit
	.word	init
	.word	uninit
	.word	control
	.word	decode_audio
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"Uncompressed PCM audio decoder\000"
	.align	2
$LC1:
	.ascii	"pcm\000"
	.align	2
$LC2:
	.ascii	"Nick Kurshev\000"
	.align	2
$LC3:
	.ascii	"A'rpi\000"
	.subsection	-1
	.align	2
$LC4:
	.ascii	"\000"
	.data
	.align	2
	.type	info, @object
	.size	info, 20
info:
	.word	$LC0
	.word	$LC1
	.word	$LC2
	.word	$LC3
	.word	$LC4
	.ident	"GCC: (GNU) 4.1.2"