nutdec.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 4,832 行 · 第 1/5 页

	jal	get_byte
	move	$4,$20

	addiu	$17,$17,-1
	li	$2,4			# 0x4
	bne	$17,$2,$L433
	li	$3,3			# 0x3

	j	$L503
	addu	$2,$3,$fp

$L389:
	addiu	$5,$16,%lo($LC30)
	jal	strcmp
	addiu	$4,$sp,24

	bne	$2,$0,$L393
	lw	$6,1568($sp)

	j	$L504
	addiu	$5,$sp,536

$L480:
	addiu	$5,$sp,536
	addiu	$4,$6,1728
	jal	av_strlcpy
	li	$6,512			# 0x200

	j	$L488
	lw	$3,1564($sp)

$L481:
	addiu	$5,$sp,536
$L504:
	addiu	$4,$6,1216
	jal	av_strlcpy
	li	$6,512			# 0x200

	j	$L488
	lw	$3,1564($sp)

$L482:
	addiu	$5,$sp,536
$L505:
	addiu	$4,$6,2240
	jal	av_strlcpy
	li	$6,512			# 0x200

	j	$L488
	lw	$3,1564($sp)

$L400:
	addiu	$5,$16,%lo($LC31)
	jal	strcmp
	addiu	$4,$sp,24

	bne	$2,$0,$L404
	lw	$6,1568($sp)

	j	$L505
	addiu	$5,$sp,536

$L411:
	addiu	$5,$16,%lo($LC32)
	jal	strcmp
	addiu	$4,$sp,24

	bne	$2,$0,$L366
	lw	$2,1568($sp)

	j	$L506
	addiu	$5,$sp,536

$L483:
	sltu	$3,$17,256
	movn	$2,$17,$3
	addiu	$7,$sp,24
	j	$L318
	addu	$2,$7,$2

$L484:
	sltu	$3,$17,1024
	movn	$2,$17,$3
	j	$L333
	addu	$5,$18,$2

$L486:
	sltu	$2,$18,4
	j	$L344
	movn	$3,$18,$2

$L485:
	sltu	$3,$17,1024
	movn	$2,$17,$3
	addu	$5,$18,$2
	j	$L337
	sb	$0,0($5)

	.set	macro
	.set	reorder
	.end	decode_info_header
	.section	.rodata.str1.4
	.align	2
$LC34:
	.ascii	"Last frame must have been damaged %lld > %lld + %d\012\000"
	.align	2
$LC35:
	.ascii	"Error *stream_id is (%lld)\012\000"
	.align	2
$LC36:
	.ascii	"frame size > 2max_distance and no checksum\012\000"
	.align	2
$LC37:
	.ascii	"syncing from %lld\012\000"
	.align	2
$LC38:
	.ascii	"sync\012\000"
	.section	.text.nut_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	nut_read_packet
	.type	nut_read_packet, @function
nut_read_packet:
	.frame	$sp,152,$31		# vars= 72, regs= 10/0, args= 40, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-152
	sw	$fp,144($sp)
	sw	$31,148($sp)
	sw	$23,140($sp)
	sw	$22,136($sp)
	sw	$21,132($sp)
	sw	$20,128($sp)
	sw	$19,124($sp)
	sw	$18,120($sp)
	sw	$17,116($sp)
	sw	$16,112($sp)
	lw	$23,12($4)
	sw	$4,152($sp)
	sw	$5,156($sp)
	addiu	$fp,$4,16
	sw	$0,96($sp)
$L621:
	jal	url_ftell
	move	$4,$fp

	lw	$16,3080($23)
	lw	$17,3084($23)
	sw	$2,88($sp)
	move	$2,$0
	sw	$3,92($sp)
	sw	$2,3080($23)
	move	$3,$0
	or	$2,$16,$17
	beq	$2,$0,$L509
	sw	$3,3084($23)

	lw	$4,88($sp)
	lw	$7,92($sp)
	addiu	$2,$4,-8
	sltu	$4,$2,$4
	addiu	$3,$7,-1
	addu	$3,$4,$3
	sw	$2,88($sp)
	sw	$3,92($sp)
$L511:
	li	$6,-288751616			# 0xffffffffeeca0000
	li	$7,1313538048			# 0x4e4b0000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0x4569
	jal	__ucmpdi2
	ori	$7,$7,0xe4ad

	li	$18,1			# 0x1
	beq	$2,$18,$L518
	sltu	$2,$2,2

	beq	$2,$0,$L520
	li	$6,1542586368			# 0x5bf20000

	move	$4,$16
	move	$5,$17
	move	$6,$0
	jal	__ucmpdi2
	move	$7,$0

	beq	$2,$18,$L514
	li	$6,-1248460800			# 0xffffffffb5960000

	li	$7,1313406976			# 0x4e490000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0xba78
	jal	__ucmpdi2
	ori	$7,$7,0xab68

	beq	$2,$18,$L624
	nop

$L516:
	lw	$2,88($sp)
$L635:
	lw	$3,92($sp)
$L648:
	lw	$4,152($sp)
	lui	$6,%hi($LC37)
	addiu	$6,$6,%lo($LC37)
	li	$5,2			# 0x2
	sw	$2,16($sp)
	jal	av_log
	sw	$3,20($sp)

	lw	$2,3104($23)
	lw	$3,3108($23)
	addiu	$6,$2,1
	sltu	$4,$6,$2
	addu	$7,$4,$3
	bltz	$7,$L582
	move	$4,$fp

	jal	url_fseek
	sw	$0,16($sp)

$L582:
	move	$16,$0
	move	$17,$0
$L623:
	jal	url_feof
	move	$4,$fp

	bne	$2,$0,$L512
	move	$4,$fp

	jal	get_byte
	nop

	srl	$6,$16,24
	sll	$5,$17,8
	sra	$3,$2,31
	or	$5,$6,$5
	sll	$4,$16,8
	or	$17,$5,$3
	or	$16,$4,$2
	srl	$8,$17,24
	li	$2,78			# 0x4e
	bne	$8,$2,$L623
	move	$9,$0

	li	$6,526319616			# 0x1f5f0000
	li	$7,1313669120			# 0x4e4d0000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0x4ad
	ori	$7,$7,0x7a56
	bne	$9,$0,$L623
	li	$18,1			# 0x1

	jal	__ucmpdi2
	nop

	li	$6,-1248460800			# 0xffffffffb5960000
	li	$7,1313406976			# 0x4e490000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0xba78
	ori	$7,$7,0xab68
	beq	$2,$18,$L588
	sltu	$3,$2,2

	beq	$3,$0,$L589
	nop

	jal	__ucmpdi2
	nop

	li	$6,-288751616			# 0xffffffffeeca0000
	li	$7,1313538048			# 0x4e4b0000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0x4569
	beq	$2,$18,$L588
	ori	$7,$7,0xe4ad

$L620:
	jal	__ucmpdi2
	nop

	bne	$2,$18,$L623
	nop

$L588:
	or	$2,$16,$17
$L636:
	beq	$2,$0,$L512
	lui	$6,%hi($LC38)

	lw	$4,152($sp)
	addiu	$6,$6,%lo($LC38)
	jal	av_log
	li	$5,2			# 0x2

	sw	$16,3080($23)
	j	$L621
	sw	$17,3084($23)

$L520:
	li	$7,1314062336			# 0x4e530000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0xf9db
	jal	__ucmpdi2
	ori	$7,$7,0x1140

	beq	$2,$18,$L519
	li	$6,790822912			# 0x2f230000

	li	$7,1314390016			# 0x4e580000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0xe64e
	jal	__ucmpdi2
	ori	$7,$7,0xdd67

	beq	$2,$18,$L519
	li	$6,526319616			# 0x1f5f0000

	li	$7,1313669120			# 0x4e4d0000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0x4ad
	jal	__ucmpdi2
	ori	$7,$7,0x7a56

	bne	$2,$18,$L635
	lw	$2,88($sp)

$L519:
	move	$4,$23
	move	$5,$fp
	move	$6,$0
	sw	$16,16($sp)
	jal	get_packetheader
	sw	$17,20($sp)

	sra	$3,$2,31
	move	$6,$2
	move	$7,$3
	move	$4,$fp
	li	$2,1			# 0x1
	jal	url_fseek
	sw	$2,16($sp)

	j	$L621
	nop

$L518:
	move	$4,$23
	addiu	$5,$sp,40
	jal	decode_syncpoint
	addiu	$6,$sp,48

	bltz	$2,$L635
	lw	$2,88($sp)

	jal	get_byte
	move	$4,$fp

	sw	$2,96($sp)
$L514:
	lw	$19,0($23)
	addiu	$18,$19,16
	jal	url_ftell
	move	$4,$18

	move	$8,$2
	lw	$4,3092($23)
	lw	$2,3104($23)
	move	$9,$3
	addu	$6,$4,$2
	lw	$3,3108($23)
	sltu	$4,$6,$4
	addu	$4,$4,$3
	slt	$2,$4,$9
	bne	$2,$0,$L524
	nop

	beq	$4,$9,$L625
	sltu	$2,$6,$8

	lw	$4,96($sp)
$L641:
	sll	$2,$4,2
	sll	$3,$4,4
	subu	$3,$3,$2
	addu	$3,$3,$23
	lbu	$5,14($3)
	lhu	$22,4($3)
	lhu	$7,8($3)
	lhu	$4,10($3)
	sw	$5,64($sp)
	sw	$7,56($sp)
	sw	$4,60($sp)
	andi	$2,$22,0x2000
	lbu	$20,6($3)
	bne	$2,$0,$L516
	lh	$21,12($3)

	andi	$2,$22,0x1000
	bne	$2,$0,$L626
	move	$16,$0

$L526:
	andi	$2,$22,0x10
	bne	$2,$0,$L530
	move	$5,$20

	sw	$20,80($sp)
$L532:
	sll	$4,$5,3
	sll	$2,$5,5
	lw	$5,3088($23)
	addu	$4,$4,$2
	addu	$5,$4,$5
	andi	$3,$22,0x8
	sw	$4,68($sp)
	bne	$3,$0,$L627
	sw	$5,72($sp)

	lw	$8,8($5)
	lw	$9,12($5)
	addu	$2,$21,$8
	sra	$5,$21,31
	sltu	$6,$2,$21
	addu	$3,$5,$9
	addu	$3,$6,$3
	move	$20,$2
	move	$21,$3
$L544:
	lw	$3,60($sp)
	andi	$2,$22,0x20
	beq	$2,$0,$L545
	sw	$3,76($sp)

	move	$16,$0
$L547:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L547
	move	$16,$8

	lw	$2,56($sp)
	lw	$3,60($sp)
	multu	$2,$8
	mflo	$4
	addu	$4,$3,$4
	sw	$4,76($sp)
$L545:
	andi	$2,$22,0x80
	bne	$2,$0,$L549
	lw	$17,64($sp)

$L551:
	blez	$17,$L639
	andi	$2,$22,0x40

	move	$16,$0
$L622:
	jal	get_byte
	move	$4,$18

	andi	$2,$2,0x80
	bne	$2,$0,$L622
	nop

	addiu	$16,$16,1
	bne	$17,$16,$L622
	andi	$2,$22,0x40

$L639:
	bne	$2,$0,$L628
	lw	$4,76($sp)

	lw	$2,3092($23)
	sll	$2,$2,1
	sltu	$2,$2,$4
	bne	$2,$0,$L561
	lw	$5,72($sp)

	lw	$2,8($5)
	lw	$3,12($5)
	subu	$4,$2,$20
	sltu	$6,$2,$4
	subu	$5,$3,$21
	subu	$5,$5,$6
	move	$7,$5
	blez	$5,$L629
	move	$6,$4

$L563:
	lw	$3,72($sp)
$L646:
	lw	$2,28($3)
	sra	$5,$2,31
	move	$4,$2
	slt	$2,$5,$7
	bne	$2,$0,$L561
	nop

	bne	$5,$7,$L560
	sltu	$2,$4,$6

	beq	$2,$0,$L640
	lw	$4,72($sp)

$L561:
	lui	$6,%hi($LC36)
	move	$4,$19
	addiu	$6,$6,%lo($LC36)
	jal	av_log
	move	$5,$0

	j	$L635
	lw	$2,88($sp)

$L512:
	li	$2,-1			# 0xffffffffffffffff
$L581:
	lw	$31,148($sp)
	lw	$fp,144($sp)
	lw	$23,140($sp)
	lw	$22,136($sp)
	lw	$21,132($sp)
	lw	$20,128($sp)
	lw	$19,124($sp)
	lw	$18,120($sp)
	lw	$17,116($sp)
	lw	$16,112($sp)
	j	$31
	addiu	$sp,$sp,152

$L589:
	li	$6,1542586368			# 0x5bf20000
	li	$7,1314062336			# 0x4e530000
	ori	$6,$6,0xf9db
	jal	__ucmpdi2
	ori	$7,$7,0x1140

	li	$6,790822912			# 0x2f230000
	li	$7,1314390016			# 0x4e580000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0xe64e
	bne	$2,$18,$L620
	ori	$7,$7,0xdd67

	j	$L636
	or	$2,$16,$17

$L625:
	beq	$2,$0,$L641
	lw	$4,96($sp)

$L524:
	jal	url_ftell
	move	$4,$18

	sw	$2,16($sp)
	sw	$3,20($sp)
	lw	$2,3104($23)
	lw	$3,3108($23)
	sw	$2,24($sp)
	sw	$3,28($sp)
	lw	$7,3092($23)
	lui	$6,%hi($LC34)
	move	$4,$19
	addiu	$6,$6,%lo($LC34)
	move	$5,$0
	jal	av_log
	sw	$7,32($sp)

	j	$L635
	lw	$2,88($sp)

$L624:
	jal	decode_info_header
	move	$4,$23

	bgez	$2,$L621
	lw	$2,88($sp)

	j	$L648
	lw	$3,92($sp)

$L530:
	move	$16,$0
	move	$17,$0
$L533:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	srl	$3,$16,25
	sll	$6,$16,7
	sll	$7,$17,7
	or	$7,$3,$7
	addu	$8,$6,$4
	move	$5,$0
	addu	$9,$7,$5
	sltu	$3,$8,$6
	addu	$3,$3,$9
	andi	$2,$2,0x80
	move	$9,$3
	move	$16,$8
	bne	$2,$0,$L533
	move	$17,$3

	beq	$3,$0,$L630
	lw	$4,96($19)

	lui	$6,%hi($LC35)
$L644:
	move	$4,$19
	addiu	$6,$6,%lo($LC35)
	move	$5,$0
	sw	$8,16($sp)
	jal	av_log
	sw	$9,20($sp)

	j	$L635
	lw	$2,88($sp)

$L626:
$L528:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L528
	move	$16,$8

	j	$L526
	xor	$22,$22,$8

$L509:
	jal	get_byte
	move	$4,$fp

	move	$4,$fp
	jal	url_feof
	sw	$2,96($sp)

	bne	$2,$0,$L512
	lw	$3,96($sp)

	li	$2,78			# 0x4e
	bne	$3,$2,$L514
	nop

	jal	get_byte
	move	$4,$fp

	move	$4,$fp
	jal	get_byte
	move	$16,$2

	move	$4,$fp
	jal	get_byte
	move	$18,$2

	move	$4,$fp
	jal	get_byte
	move	$20,$2

	move	$4,$fp
	jal	get_byte
	move	$22,$2

	move	$4,$fp
	jal	get_byte
	sw	$2,104($sp)

	move	$4,$fp
	jal	get_byte
	sw	$2,108($sp)

	addiu	$4,$16,19968
	sltu	$6,$4,$16
	sra	$17,$16,31
	addu	$5,$6,$17
	srl	$7,$4,24
	sll	$5,$5,8
	sll	$4,$4,8
	addu	$6,$4,$18
	or	$5,$7,$5
	sra	$19,$18,31
	sltu	$8,$6,$4
	addu	$7,$5,$19
	addu	$7,$8,$7
	srl	$4,$6,24
	sll	$7,$7,8
	sll	$6,$6,8
	or	$7,$4,$7
	sra	$21,$20,31
	addu	$4,$6,$20
	sltu	$8,$4,$6
	addu	$5,$7,$21
	addu	$5,$8,$5
	srl	$6,$4,24
	sll	$5,$5,8
	sll	$4,$4,8
	or	$5,$6,$5
	sra	$15,$22,31
	addu	$6,$4,$22
	sltu	$8,$6,$4
	addu	$7,$5,$15
	addu	$7,$8,$7
	lw	$10,104($sp)
	srl	$4,$6,24
	sll	$7,$7,8
	sll	$6,$6,8
	or	$7,$4,$7
	sra	$11,$10,31
	addu	$4,$6,$10
	sltu	$8,$4,$6
	addu	$5,$7,$11
	addu	$5,$8,$5
	lw	$12,108($sp)
	srl	$6,$4,24
	sll	$5,$5,8
	sll	$4,$4,8
	or	$5,$6,$5
	sra	$13,$12,31
	addu	$6,$4,$12
	sltu	$8,$6,$4
	addu	$7,$5,$13
	addu	$7,$8,$7
	srl	$4,$6,24
	sll	$7,$7,8
	sll	$6,$6,8
	or	$7,$4,$7
	sra	$3,$2,31
	addu	$4,$6,$2
	sltu	$8,$4,$6
	addu	$5,$7,$3
	addu	$5,$8,$5
	move	$16,$4
	j	$L511
	move	$17,$5

$L627:
	move	$16,$0
$L540:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L540
	move	$16,$8

	lw	$7,72($sp)
	li	$3,1			# 0x1
	lw	$2,24($7)
	sll	$3,$3,$2
	slt	$2,$8,$3
	bne	$2,$0,$L631
	subu	$2,$8,$3

	move	$20,$2
	j	$L544
	sra	$21,$2,31

$L549:
	move	$16,$0
$L552:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L552
	move	$16,$8

	j	$L551
	move	$17,$8

$L628:
	jal	get_be32
	move	$4,$18

$L560:
	lw	$4,72($sp)
$L640:
	lw	$7,76($sp)
	sw	$22,0($4)
	sw	$20,8($4)
	bltz	$7,$L516
	sw	$21,12($4)

	lw	$3,68($sp)
	lw	$2,3088($23)
	addu	$16,$3,$2
	lw	$3,0($16)
	andi	$7,$3,0x1
	bne	$7,$0,$L632
	nop

$L567:
	lw	$4,80($sp)
	sll	$2,$4,2
	addu	$2,$2,$19
	lw	$3,100($2)
	lw	$6,80($3)
	lw	$4,136($3)
	slt	$2,$6,32
	beq	$2,$0,$L633
	lw	$5,140($3)

	slt	$2,$6,16
	beq	$2,$0,$L572
	nop

	lw	$2,4($16)
$L637:
	beq	$2,$0,$L578
	lw	$6,76($sp)

$L571:
	lw	$6,76($sp)
$L643:
	move	$4,$18
	jal	url_fskip
	sra	$7,$6,31

	j	$L621
	nop

$L633:
	beq	$7,$0,$L571
	nop

$L572:
	bne	$4,$0,$L642
	slt	$2,$21,$5

	li	$2,-2147483648			# 0xffffffff80000000
	beq	$5,$2,$L574
	slt	$2,$21,$5

$L642:
	bne	$2,$0,$L571
	nop

	beq	$21,$5,$L634
	sltu	$2,$20,$4

$L574:
	slt	$2,$6,48
$L638:
	beq	$2,$0,$L643
	lw	$6,76($sp)

	j	$L637
	lw	$2,4($16)

$L632:
	j	$L567
	sw	$0,4($16)

$L631:
	lw	$4,72($sp)
	move	$6,$8
	jal	ff_lsb2full
	sra	$7,$8,31

	move	$20,$2
	j	$L544
	move	$21,$3

$L630:
	sltu	$2,$8,$4
	beq	$2,$0,$L644
	lui	$6,%hi($LC35)

	move	$5,$8
	j	$L532
	sw	$8,80($sp)

$L629:
	bne	$5,$0,$L645
	subu	$2,$0,$6

	bgtu	$4,$0,$L646
	lw	$3,72($sp)

	subu	$2,$0,$6
$L645:
	subu	$3,$0,$7
	sltu	$4,$0,$2
	subu	$3,$3,$4
	move	$6,$2
	j	$L563
	move	$7,$3

$L634:
	bne	$2,$0,$L571
	slt	$2,$6,48

	j	$L638
	nop

$L578:
	lw	$5,156($sp)
	jal	av_get_packet
	move	$4,$18

	lw	$2,80($sp)
	lw	$7,156($sp)
	sw	$2,24($7)
	lw	$2,0($16)
	andi	$2,$2,0x1
	beq	$2,$0,$L647
	lw	$3,156($sp)

	lw	$2,28($7)
	ori	$2,$2,0x1
	sw	$2,28($7)
	lw	$3,156($sp)
$L647:
	move	$2,$0
	sw	$20,0($3)
	j	$L581
	sw	$21,4($3)

	.set	macro
	.set	reorder
	.end	nut_read_packet
	.section	.rodata.str1.4
	.align	2
$LC39:
	.ascii	"No main startcode found.\012\000"
	.align	2
$LC40:
	.ascii	"Error tmp is (%lld)\012\000"
	.align	2
$LC41:
	.ascii	"Error stream_count is (%lld)\012\000"
	.align	2
$LC42:
	.ascii	"max_distance %d\012\000"
	.align	2