decoder.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 2,820 行 · 第 1/3 页

	.file	1 "decoder.c"
	.section .mdebug.abi32
	.previous
	.section	.text.NeAACDecGetErrorMessage,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecGetErrorMessage
	.ent	NeAACDecGetErrorMessage
	.type	NeAACDecGetErrorMessage, @function
NeAACDecGetErrorMessage:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	andi	$4,$4,0x00ff
	lui	$2,%hi(err_msg)
	sll	$3,$4,2
	addiu	$2,$2,%lo(err_msg)
	sltu	$4,$4,28
	addu	$3,$3,$2
	beq	$4,$0,$L7
	move	$2,$0

	lw	$2,0($3)
$L7:
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	NeAACDecGetErrorMessage
	.section	.text.NeAACDecGetCapabilities,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecGetCapabilities
	.ent	NeAACDecGetCapabilities
	.type	NeAACDecGetCapabilities, @function
NeAACDecGetCapabilities:
	.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
	li	$2,63			# 0x3f

	.set	macro
	.set	reorder
	.end	NeAACDecGetCapabilities
	.section	.text.NeAACDecGetCurrentConfiguration,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecGetCurrentConfiguration
	.ent	NeAACDecGetCurrentConfiguration
	.type	NeAACDecGetCurrentConfiguration, @function
NeAACDecGetCurrentConfiguration:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	beq	$4,$0,$L15
	move	$2,$0

	addiu	$2,$4,2000
$L15:
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	NeAACDecGetCurrentConfiguration
	.section	.text.NeAACDecPostSeekReset,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecPostSeekReset
	.ent	NeAACDecPostSeekReset
	.type	NeAACDecPostSeekReset, @function
NeAACDecPostSeekReset:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	beq	$4,$0,$L21
	li	$2,1

	li	$3,-1			# 0xffffffffffffffff
	beq	$5,$3,$L21
	sb	$2,10($4)

	sw	$5,12($4)
$L21:
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	NeAACDecPostSeekReset
	.section	.text.NeAACDecClose,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecClose
	.ent	NeAACDecClose
	.type	NeAACDecClose, @function
NeAACDecClose:
	.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
	.mask	0x800f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sw	$19,28($sp)
	sw	$31,32($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	beq	$4,$0,$L37
	move	$19,$4

	move	$16,$4
	move	$17,$0
	li	$18,64			# 0x40
$L25:
	lw	$2,324($16)
	beq	$2,$0,$L26
	move	$4,$2

	jal	faad_free
	nop

$L26:
	lw	$2,580($16)
	beq	$2,$0,$L28
	move	$4,$2

	jal	faad_free
	nop

$L28:
	lw	$2,888($16)
	beq	$2,$0,$L30
	move	$4,$2

	jal	faad_free
	nop

$L30:
	lw	$2,1144($16)
	addiu	$16,$16,4
	beq	$2,$0,$L32
	move	$4,$2

	jal	faad_free
	nop

$L32:
	addiu	$2,$17,1
	andi	$17,$2,0x00ff
	bne	$17,$18,$L25
	nop

	jal	filter_bank_end
	lw	$4,316($19)

	jal	drc_end
	lw	$4,320($19)

	lw	$4,120($19)
	beq	$4,$0,$L35
	nop

	jal	faad_free
	nop

$L35:
	move	$4,$19
	lw	$31,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	faad_free
	addiu	$sp,$sp,40

$L37:
	lw	$31,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,40

	.set	macro
	.set	reorder
	.end	NeAACDecClose
	.section	.text.NeAACDecInit2,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecInit2
	.ent	NeAACDecInit2
	.type	NeAACDecInit2, @function
NeAACDecInit2:
	.frame	$sp,56,$31		# vars= 24, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$16,40($sp)
	move	$16,$4
	sw	$18,48($sp)
	sw	$17,44($sp)
	move	$4,$5
	sw	$31,52($sp)
	move	$5,$6
	move	$18,$7
	bne	$16,$0,$L60
	lw	$17,72($sp)

	li	$3,-1			# 0xffffffffffffffff
$L54:
	lw	$31,52($sp)
$L62:
	lw	$18,48($sp)
	lw	$17,44($sp)
	lw	$16,40($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,56

$L60:
	beq	$4,$0,$L54
	li	$3,-1			# 0xffffffffffffffff

	sltu	$2,$6,2
	bne	$2,$0,$L62
	lw	$31,52($sp)

	beq	$7,$0,$L62
	nop

	beq	$17,$0,$L62
	nop

	addiu	$7,$16,1401
	sb	$0,1($16)
	sb	$0,0($16)
	jal	AudioSpecificConfig2
	addiu	$6,$sp,16

	move	$7,$2
	lbu	$3,24($sp)
	lw	$2,20($sp)
	beq	$3,$0,$L47
	sw	$2,0($18)

	sb	$3,0($17)
$L49:
	lbu	$3,0($17)
	li	$2,1			# 0x1
	beq	$3,$2,$L61
	li	$2,2

$L50:
	lbu	$3,16($sp)
	lbu	$4,31($sp)
	lbu	$5,32($sp)
	lbu	$6,33($sp)
	lbu	$2,17($sp)
	sb	$3,3($16)
	sb	$2,2($16)
	sb	$4,5($16)
	sb	$5,6($16)
	beq	$7,$0,$L52
	sb	$6,7($16)

	j	$L54
	move	$3,$7

$L47:
	lbu	$2,1577($16)
	li	$3,1
	sb	$2,0($17)
	j	$L49
	sb	$3,1400($16)

$L52:
	lbu	$3,25($sp)
	lbu	$2,24($sp)
	beq	$3,$0,$L55
	sb	$2,4($16)

	li	$2,960
	sh	$2,8($16)
$L55:
	jal	filter_bank_init
	lhu	$4,8($16)

	lbu	$3,3($16)
	sw	$2,316($16)
	li	$2,23			# 0x17
	beq	$3,$2,$L57
	nop

	j	$L54
	move	$3,$0

$L61:
	j	$L50
	sb	$2,0($17)

$L57:
	lhu	$2,8($16)
	move	$3,$0
	srl	$2,$2,1
	j	$L54
	sh	$2,8($16)

	.set	macro
	.set	reorder
	.end	NeAACDecInit2
	.section	.text.NeAACDecSetConfiguration,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecSetConfiguration
	.ent	NeAACDecSetConfiguration
	.type	NeAACDecSetConfiguration, @function
NeAACDecSetConfiguration:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$17,20($sp)
	sw	$16,16($sp)
	sw	$31,24($sp)
	move	$17,$4
	beq	$4,$0,$L64
	move	$16,$5

	beq	$5,$0,$L71
	move	$3,$0

	jal	can_decode_ot
	lbu	$4,0($5)

	bltz	$2,$L71
	move	$3,$0

	lbu	$2,0($16)
	lw	$3,4($16)
	beq	$3,$0,$L64
	sb	$2,2000($17)

	lbu	$4,8($16)
	addiu	$2,$4,-1
	andi	$2,$2,0x00ff
	sltu	$2,$2,4
	beq	$2,$0,$L64
	sw	$3,2004($17)

	lbu	$5,9($16)
	li	$3,1			# 0x1
	sltu	$2,$5,2
	bne	$2,$0,$L73
	sb	$4,2008($17)

$L64:
	move	$3,$0
$L71:
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

$L73:
	j	$L71
	sb	$5,2009($17)

	.set	macro
	.set	reorder
	.end	NeAACDecSetConfiguration
	.section	.text.NeAACDecInit,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecInit
	.ent	NeAACDecInit
	.type	NeAACDecInit, @function
NeAACDecInit:
	.frame	$sp,7672,$31		# vars= 7624, regs= 8/0, args= 16, gp= 0
	.mask	0x807f0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-7672
	sw	$20,7656($sp)
	sw	$19,7652($sp)
	sw	$18,7648($sp)
	sw	$17,7644($sp)
	sw	$16,7640($sp)
	sw	$31,7668($sp)
	sw	$22,7664($sp)
	sw	$21,7660($sp)
	move	$18,$4
	move	$16,$5
	move	$17,$6
	move	$19,$7
	.set	noreorder
	.set	nomacro
	bne	$4,$0,$L118
	lw	$20,7688($sp)
	.set	macro
	.set	reorder

$L75:
	li	$2,-1			# 0xffffffffffffffff
$L105:
	lw	$31,7668($sp)
$L124:
	lw	$22,7664($sp)
	lw	$21,7660($sp)
	lw	$20,7656($sp)
	lw	$19,7652($sp)
	lw	$18,7648($sp)
	lw	$17,7644($sp)
	lw	$16,7640($sp)
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,7672
	.set	macro
	.set	reorder

$L118:
	.set	noreorder
	.set	nomacro
	beq	$7,$0,$L105
	li	$2,-1			# 0xffffffffffffffff
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$20,$0,$L124
	lw	$31,7668($sp)
	.set	macro
	.set	reorder

	lw	$4,2004($4)
	.set	noreorder
	.set	nomacro
	jal	get_sr_index
	li	$21,1
	.set	macro
	.set	reorder

	sb	$2,2($18)
	lbu	$2,2000($18)
	lbu	$4,2($18)
	.set	noreorder
	.set	nomacro
	jal	get_sample_rate
	sb	$2,3($18)
	.set	macro
	.set	reorder

	sw	$2,0($19)
	.set	noreorder
	.set	nomacro
	beq	$16,$0,$L81
	sb	$21,0($20)
	.set	macro
	.set	reorder

	addiu	$22,$sp,40
	move	$6,$17
	move	$4,$22
	.set	noreorder
	.set	nomacro
	jal	faad_initbits
	move	$5,$16
	.set	macro
	.set	reorder

	lbu	$3,0($16)
	li	$2,65			# 0x41
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L119
	li	$2,68			# 0x44
	.set	macro
	.set	reorder

	lw	$5,48($sp)
$L125:
	sltu	$2,$5,12
$L126:
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L96
	lui	$2,%hi(bitmask)
	.set	macro
	.set	reorder

	lw	$2,40($sp)
	addiu	$3,$5,-12
	srl	$2,$2,$3
	andi	$3,$2,0xfff
$L98:
	li	$2,4095			# 0xfff
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L120
	li	$2,1
	.set	macro
	.set	reorder

$L117:
	move	$16,$0
$L95:
	lbu	$2,61($sp)
	bne	$2,$0,$L121
	.set	noreorder
	.set	nomacro
	jal	faad_endbits
	move	$4,$22
	.set	macro
	.set	reorder

$L81:
	lbu	$2,0($20)
	sb	$2,4($18)
	lbu	$3,0($20)
	li	$2,1			# 0x1
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L122
	li	$2,2
	.set	macro
	.set	reorder

$L106:
	.set	noreorder
	.set	nomacro
	jal	filter_bank_init
	lhu	$4,8($18)
	.set	macro
	.set	reorder

	lbu	$4,3($18)
	sw	$2,316($18)
	li	$2,23			# 0x17
	beq	$4,$2,$L123
$L108:
	jal	can_decode_ot
	.set	noreorder
	.set	nomacro
	bltz	$2,$L75
	move	$2,$16
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L124
	lw	$31,7668($sp)
	.set	macro
	.set	reorder

$L120:
	lbu	$3,2010($18)
	move	$5,$22
	sb	$2,0($18)
	addiu	$4,$sp,16
	.set	noreorder
	.set	nomacro
	jal	adts_frame
	sb	$3,38($sp)
	.set	macro
	.set	reorder

	lbu	$3,21($sp)
	lbu	$2,22($sp)
	addiu	$3,$3,1
	andi	$4,$2,0x00ff
	sb	$3,3($18)
	.set	noreorder
	.set	nomacro
	jal	get_sample_rate
	sb	$2,2($18)
	.set	macro
	.set	reorder

	lbu	$3,24($sp)
	li	$4,2			# 0x2
	sltu	$5,$3,7
	movz	$3,$4,$5
	sw	$2,0($19)
	.set	noreorder
	.set	nomacro
	j	$L117
	sb	$3,0($20)
	.set	macro
	.set	reorder

$L96:
	sll	$3,$5,2
	addiu	$2,$2,%lo(bitmask)
	addu	$3,$3,$2
	lw	$6,0($3)
	li	$4,12			# 0xc
	lw	$3,40($sp)
	subu	$4,$4,$5
	lw	$2,44($sp)
	and	$3,$3,$6
	subu	$5,$0,$4
	srl	$2,$2,$5
	sll	$3,$3,$4
	.set	noreorder
	.set	nomacro
	j	$L98
	or	$3,$3,$2
	.set	macro
	.set	reorder

$L119:
	lbu	$3,1($16)
	.set	noreorder
	.set	nomacro
	bne	$3,$2,$L125
	lw	$5,48($sp)
	.set	macro
	.set	reorder

	lbu	$3,2($16)
	li	$2,73			# 0x49
	.set	noreorder
	.set	nomacro
	bne	$3,$2,$L126
	sltu	$2,$5,12
	.set	macro
	.set	reorder

	lbu	$3,3($16)
	li	$2,70			# 0x46
	.set	noreorder
	.set	nomacro
	bne	$3,$2,$L126
	sltu	$2,$5,12
	.set	macro
	.set	reorder

	move	$5,$22
	addiu	$4,$sp,76
	.set	noreorder
	.set	nomacro
	jal	get_adif_header
	sb	$21,1($18)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	faad_byte_align
	move	$4,$22
	.set	macro
	.set	reorder

	lbu	$3,105($sp)
	lbu	$2,106($sp)
	addiu	$3,$3,1
	andi	$4,$2,0x00ff
	sb	$3,3($18)
	.set	noreorder
	.set	nomacro
	jal	get_sample_rate
	sb	$2,2($18)
	.set	macro
	.set	reorder

	lbu	$4,280($sp)
	addiu	$5,$18,1401
	andi	$3,$5,0x3
	sw	$2,0($19)
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L112
	sb	$4,0($20)
	.set	macro
	.set	reorder

	addiu	$4,$18,1397
	addiu	$3,$18,1845
	sltu	$2,$4,$3
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L90
	addiu	$5,$sp,100
	.set	macro
	.set	reorder

$L113:
#APP
	S32LDI xr1,$5,4
	S32LDI xr2,$5,4
	S32LDI xr3,$5,4
	S32LDI xr4,$5,4
	S32LDI xr5,$5,4
	S32LDI xr6,$5,4
	S32LDI xr7,$5,4
	S32LDI xr8,$5,4
	S32SDI xr1,$4,4
	S32SDI xr2,$4,4
	S32SDI xr3,$4,4
	S32SDI xr4,$4,4
	S32SDI xr5,$4,4
	S32SDI xr6,$4,4
	S32SDI xr7,$4,4
	S32SDI xr8,$4,4
#NO_APP
	sltu	$2,$4,$3
	bne	$2,$0,$L113
$L90:
	addiu	$3,$3,20
	sltu	$2,$4,$3
	beq	$2,$0,$L92
$L114:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$3
	bne	$2,$0,$L114
$L92:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	sb	$3,5($4)
	lbu	$2,6($5)
	.set	noreorder
	.set	nomacro
	j	$L94
	sb	$2,6($4)
	.set	macro
	.set	reorder

$L123:
	lhu	$2,8($18)
	srl	$2,$2,1
	.set	noreorder
	.set	nomacro
	j	$L108
	sh	$2,8($18)
	.set	macro
	.set	reorder

$L122:
	.set	noreorder
	.set	nomacro
	j	$L106
	sb	$2,0($20)
	.set	macro
	.set	reorder

$L121:
	.set	noreorder
	.set	nomacro
	jal	faad_endbits
	move	$4,$22
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L105
	li	$2,-1			# 0xffffffffffffffff
	.set	macro
	.set	reorder

$L112:
	move	$4,$5
	li	$6,471			# 0x1d7
	.set	noreorder
	.set	nomacro
	jal	memcpy
	addiu	$5,$sp,104
	.set	macro
	.set	reorder

$L94:
	li	$2,1
	sb	$2,1400($18)
	.set	noreorder
	.set	nomacro
	jal	faad_get_processed_bits
	move	$4,$22
	.set	macro
	.set	reorder

	addiu	$2,$2,7
	.set	noreorder
	.set	nomacro
	j	$L95
	srl	$16,$2,3
	.set	macro
	.set	reorder

	.end	NeAACDecInit
	.section	.text.NeAACDecOpen,"ax",@progbits
	.align	2
	.align	5
	.globl	NeAACDecOpen
	.ent	NeAACDecOpen
	.type	NeAACDecOpen, @function
NeAACDecOpen:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	addiu	$sp,$sp,-32
	li	$4,2012			# 0x7dc
	sw	$16,16($sp)
	sw	$31,24($sp)
	.set	noreorder
	.set	nomacro
	jal	faad_malloc
	sw	$17,20($sp)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L157
	move	$16,$2
	.set	macro
	.set	reorder

	move	$17,$2
	li	$3,4			# 0x4
	andi	$2,$2,0x3
	subu	$3,$3,$2
	li	$2,2			# 0x2
	addiu	$6,$16,2012
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L133
	move	$4,$16
	.set	macro
	.set	reorder

	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L134
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L158
$L131:
	addiu	$5,$4,-4
	move	$2,$0
#APP
	S32I2M xr1,$2
#NO_APP
	andi	$3,$4,0x1f
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L160
	addiu	$2,$6,-31
	.set	macro
	.set	reorder

	li	$2,-32			# 0xffffffffffffffe0
	and	$2,$5,$2
	addiu	$4,$2,32
	sltu	$3,$5,$4
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L160
	addiu	$2,$6,-31
	.set	macro
	.set	reorder

$L149:
#APP
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$4
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L149
	addiu	$2,$6,-31
	.set	macro
	.set	reorder

$L160:
	li	$3,-32			# 0xffffffffffffffe0
	and	$3,$2,$3
	sltu	$4,$5,$3
	.set	noreorder
	.set	nomacro
	beq	$4,$0,$L161
	addiu	$2,$6,-4
	.set	macro
	.set	reorder

	addiu	$2,$5,4
$L162:
#APP
	pref 30,0($2)
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L162
	addiu	$2,$5,4
	.set	macro
	.set	reorder

	addiu	$2,$6,-4
$L161: