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

$LC43:
	.ascii	"Error nut->time_base_count is (%lld)\012\000"
	.align	2
$LC44:
	.ascii	"Error nut->time_base[i].num is (%lld)\012\000"
	.align	2
$LC45:
	.ascii	"Error nut->time_base[i].den is (%lld)\012\000"
	.align	2
$LC46:
	.ascii	"time base invalid\012\000"
	.align	2
$LC47:
	.ascii	"illegal count %d at %d\012\000"
	.align	2
$LC48:
	.ascii	"illegal stream number\012\000"
	.align	2
$LC49:
	.ascii	"nut->frame_code['N'].flags == FLAG_INVALID\000"
	.align	2
$LC50:
	.ascii	"main header checksum mismatch\012\000"
	.align	2
$LC51:
	.ascii	"Not all stream headers found.\012\000"
	.align	2
$LC52:
	.ascii	"Error stream_id is (%lld)\012\000"
	.align	2
$LC53:
	.ascii	"Unknown codec?!\012\000"
	.align	2
$LC54:
	.ascii	"unknown stream class (%d)\012\000"
	.align	2
$LC55:
	.ascii	"Error stc->time_base_id is (%lld)\012\000"
	.align	2
$LC56:
	.ascii	"Error stc->msb_pts_shift is (%lld)\012\000"
	.align	2
$LC57:
	.ascii	"Error stc->decode_delay is (%lld)\012\000"
	.align	2
$LC58:
	.ascii	"Error st->codec->extradata_size is (%lld)\012\000"
	.align	2
$LC59:
	.ascii	"Error st->codec->width is (%lld)\012\000"
	.align	2
$LC60:
	.ascii	"Error st->codec->height is (%lld)\012\000"
	.align	2
$LC61:
	.ascii	"invalid aspect ratio\012\000"
	.align	2
$LC62:
	.ascii	"Error st->codec->sample_rate is (%lld)\012\000"
	.align	2
$LC63:
	.ascii	"Bleh, libnut muxed this ;)\012\000"
	.align	2
$LC64:
	.ascii	"Error st->codec->channels is (%lld)\012\000"
	.align	2
$LC65:
	.ascii	"stream header %d checksum mismatch\012\000"
	.align	2
$LC66:
	.ascii	"EOF before video frames\012\000"
	.align	2
$LC67:
	.ascii	"nut->next_startcode == (0xE4ADEECA4569ULL + (((uint64_t)"
	.ascii	"('N'<<8) + 'K')<<48))\000"
	.section	.text.nut_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	nut_read_header
	.type	nut_read_header, @function
nut_read_header:
	.frame	$sp,184,$31		# vars= 120, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-184
	sw	$23,172($sp)
	sw	$19,156($sp)
	sw	$31,180($sp)
	sw	$fp,176($sp)
	sw	$22,168($sp)
	sw	$21,164($sp)
	sw	$20,160($sp)
	sw	$18,152($sp)
	sw	$17,148($sp)
	sw	$16,144($sp)
	lw	$22,12($4)
	move	$2,$0
	move	$3,$0
	move	$23,$4
	addiu	$19,$4,16
	sw	$4,0($22)
	sw	$2,24($sp)
	sw	$3,28($sp)
	move	$6,$2
	move	$7,$3
$L1001:
	move	$4,$19
	jal	url_fseek
	sw	$0,16($sp)

	li	$4,526319616			# 0x1f5f0000
	li	$2,1313669120			# 0x4e4d0000
	ori	$20,$4,0x4ad
	ori	$21,$2,0x7a56
	move	$16,$0
$L1049:
	move	$17,$0
$L1003:
	jal	url_feof
	move	$4,$19

	bne	$2,$0,$L1040
	lui	$6,%hi($LC39)

	jal	get_byte
	move	$4,$19

	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	$4,$17,24
	li	$2,78			# 0x4e
	bne	$4,$2,$L1003
	move	$5,$0

	bne	$5,$0,$L1003
	li	$6,526319616			# 0x1f5f0000

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

	li	$18,1			# 0x1
	beq	$2,$18,$L655
	sltu	$2,$2,2

	beq	$2,$0,$L656
	li	$6,1542586368			# 0x5bf20000

	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,$18,$L655
	li	$6,-288751616			# 0xffffffffeeca0000

	li	$7,1313538048			# 0x4e4b0000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0x4569
	jal	__ucmpdi2
	ori	$7,$7,0xe4ad

	bne	$2,$18,$L1003
	nop

$L655:
	beq	$20,$16,$L1010
	or	$2,$16,$17

$L1050:
	bne	$2,$0,$L1049
	move	$16,$0

$L657:
	lui	$6,%hi($LC39)
$L1040:
	move	$4,$23
$L1072:
	addiu	$6,$6,%lo($LC39)
	jal	av_log
	move	$5,$0

	li	$2,-1			# 0xffffffffffffffff
$L662:
	lw	$31,180($sp)
	lw	$fp,176($sp)
	lw	$23,172($sp)
	lw	$22,168($sp)
	lw	$21,164($sp)
	lw	$20,160($sp)
	lw	$19,156($sp)
	lw	$18,152($sp)
	lw	$17,148($sp)
	lw	$16,144($sp)
	j	$31
	addiu	$sp,$sp,184

$L656:
	li	$7,1314062336			# 0x4e530000
	move	$4,$16
	move	$5,$17
	ori	$6,$6,0xf9db
	jal	__ucmpdi2
	ori	$7,$7,0x1140

	beq	$2,$18,$L655
	li	$6,790822912			# 0x2f230000

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

	bne	$2,$18,$L1003
	nop

	bne	$20,$16,$L1050
	or	$2,$16,$17

$L1010:
	bne	$21,$17,$L1050
	or	$2,$16,$17

	jal	url_ftell
	move	$4,$19

	addiu	$6,$2,-7
	sltu	$4,$6,$2
	addiu	$7,$3,-1
	addu	$7,$4,$7
	sw	$6,24($sp)
	blez	$7,$L1011
	sw	$7,28($sp)

$L661:
	lw	$3,0($22)
	li	$2,526319616			# 0x1f5f0000
	addiu	$18,$3,16
	sw	$3,88($sp)
	li	$3,1313669120			# 0x4e4d0000
	ori	$3,$3,0x7a56
	move	$4,$22
	move	$5,$18
	li	$6,1			# 0x1
	ori	$2,$2,0x4ad
	sw	$3,20($sp)
	jal	get_packetheader
	sw	$2,16($sp)

	move	$4,$18
	move	$20,$2
	jal	url_ftell
	sra	$21,$2,31

	sw	$2,80($sp)
	sw	$3,84($sp)
	move	$16,$0
	move	$17,$0
$L663:
	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
	sltu	$3,$8,$6
	addu	$9,$7,$5
	addu	$9,$3,$9
	andi	$2,$2,0x80
	move	$16,$8
	bne	$2,$0,$L663
	move	$17,$9

	addiu	$4,$8,-2
	sltu	$2,$4,$8
	addiu	$5,$9,-1
	addu	$5,$2,$5
	bgtu	$5,$0,$L1051
	lui	$6,%hi($LC40)

	beq	$5,$0,$L1012
	sltu	$2,$4,2

	move	$16,$0
$L1056:
	move	$17,$0
$L668:
	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
	sltu	$3,$8,$6
	addu	$9,$7,$5
	addu	$9,$3,$9
	andi	$2,$2,0x80
	move	$16,$8
	bne	$2,$0,$L668
	move	$17,$9

	addiu	$4,$8,-1
	sltu	$2,$4,$8
	addiu	$5,$9,-1
	addu	$5,$2,$5
	bgtu	$5,$0,$L672
	nop

	bne	$5,$0,$L670
	sltu	$2,$4,20

	beq	$2,$0,$L1052
	lui	$6,%hi($LC41)

$L670:
	sw	$8,92($sp)
	move	$16,$0
$L673:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L673
	move	$16,$8

	li	$16,65536			# 0x10000
	ori	$2,$16,0x1
	sltu	$2,$8,$2
	beq	$2,$0,$L1013
	sw	$8,3092($22)

$L675:
	move	$16,$0
	move	$17,$0
$L677:
	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
	sltu	$3,$8,$6
	addu	$9,$7,$5
	addu	$9,$3,$9
	andi	$2,$2,0x80
	move	$16,$8
	bne	$2,$0,$L677
	move	$17,$9

	addiu	$4,$8,-1
	sltu	$2,$4,$8
	addiu	$5,$9,-1
	addu	$5,$2,$5
	bgtu	$5,$0,$L681
	nop

	bne	$5,$0,$L679
	li	$2,268369920			# 0xfff0000

	ori	$2,$2,0xfffd
	sltu	$2,$2,$4
	bne	$2,$0,$L1053
	lui	$6,%hi($LC43)

$L679:
	sw	$8,3096($22)
	jal	av_malloc
	sll	$4,$8,3

	lw	$3,3096($22)
	beq	$3,$0,$L682
	sw	$2,3116($22)

	sw	$0,32($sp)
	move	$fp,$0
$L684:
	move	$16,$0
	move	$17,$0
$L685:
	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
	sltu	$3,$8,$6
	addu	$9,$7,$5
	addu	$9,$3,$9
	andi	$2,$2,0x80
	move	$16,$8
	bne	$2,$0,$L685
	move	$17,$9

	addiu	$4,$8,-1
	sltu	$2,$4,$8
	addiu	$5,$9,-1
	addu	$5,$2,$5
	bgtu	$5,$0,$L689
	nop

	bne	$5,$0,$L687
	li	$7,2147418112			# 0x7fff0000

	ori	$7,$7,0xfffe
	sltu	$2,$7,$4
	bne	$2,$0,$L1054
	lui	$6,%hi($LC44)

$L687:
	lw	$2,3116($22)
	sll	$fp,$fp,3
	addu	$2,$2,$fp
	sw	$8,0($2)
	move	$16,$0
	move	$17,$0
$L690:
	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
	sltu	$3,$8,$6
	addu	$9,$7,$5
	addu	$9,$3,$9
	andi	$2,$2,0x80
	move	$16,$8
	bne	$2,$0,$L690
	move	$17,$9

	addiu	$4,$8,-1
	sltu	$2,$4,$8
	addiu	$5,$9,-1
	addu	$5,$2,$5
	bgtu	$5,$0,$L694
	nop

	bne	$5,$0,$L692
	li	$3,2147418112			# 0x7fff0000

	ori	$3,$3,0xfffe
	sltu	$2,$3,$4
	bne	$2,$0,$L1055
	lui	$6,%hi($LC45)

$L692:
	lw	$3,3116($22)
	move	$6,$8
	addu	$3,$fp,$3
	lw	$2,0($3)
	sra	$7,$8,31
	move	$4,$2
	sra	$5,$2,31
	jal	ff_gcd
	sw	$8,4($3)

	move	$4,$2
	li	$2,1			# 0x1
	beq	$4,$2,$L1014
	lw	$4,88($sp)

$L1057:
	lui	$6,%hi($LC46)
	addiu	$6,$6,%lo($LC46)
	jal	av_log
	move	$5,$0

	lw	$6,24($sp)
	j	$L1001
	lw	$7,28($sp)

$L1012:
	bne	$2,$0,$L1056
	move	$16,$0

	lui	$6,%hi($LC40)
$L1051:
	lw	$4,88($sp)
	addiu	$6,$6,%lo($LC40)
$L998:
	move	$5,$0
	sw	$8,16($sp)
	jal	av_log
	sw	$9,20($sp)

	lw	$6,24($sp)
	j	$L1001
	lw	$7,28($sp)

$L672:
	lui	$6,%hi($LC41)
$L1052:
	lw	$4,88($sp)
	j	$L998
	addiu	$6,$6,%lo($LC41)

$L1013:
	lui	$6,%hi($LC42)
	lw	$4,88($sp)
	addiu	$6,$6,%lo($LC42)
	move	$7,$8
	jal	av_log
	li	$5,2			# 0x2

	j	$L675
	sw	$16,3092($22)

$L1011:
	bne	$7,$0,$L657
	nop

	bgtu	$6,$0,$L661
	lui	$6,%hi($LC39)

	j	$L1072
	move	$4,$23

$L681:
	lui	$6,%hi($LC43)
$L1053:
	lw	$4,88($sp)
	j	$L998
	addiu	$6,$6,%lo($LC43)

$L689:
	lui	$6,%hi($LC44)
$L1054:
	lw	$4,88($sp)
	j	$L998
	addiu	$6,$6,%lo($LC44)

$L694:
	lui	$6,%hi($LC45)
$L1055:
	lw	$4,88($sp)
	j	$L998
	addiu	$6,$6,%lo($LC45)

$L1014:
	bne	$3,$0,$L1057
	nop

	lw	$4,32($sp)
	lw	$2,3096($22)
	addiu	$fp,$4,1
	sltu	$2,$fp,$2
	bne	$2,$0,$L684
	sw	$fp,32($sp)

$L682:
	li	$2,1			# 0x1
	move	$16,$0
	sw	$0,36($sp)
	sw	$0,96($sp)
	sw	$2,100($sp)
	sw	$0,104($sp)
$L1004:
	jal	get_byte
	move	$4,$18

	andi	$6,$2,0x7f
	sll	$8,$16,7
	addu	$4,$8,$6
	andi	$2,$2,0x80
	bne	$2,$0,$L1004
	move	$16,$4

	sw	$4,116($sp)
	move	$16,$0
$L701:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L701
	move	$16,$8

	blez	$8,$L703
	move	$fp,$8

	move	$16,$0
	move	$17,$0
$L705:
	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	$10,$6,$4
	move	$5,$0
	sltu	$3,$10,$6
	addu	$11,$7,$5
	addu	$3,$3,$11
	andi	$2,$2,0x80
	move	$16,$10
	bne	$2,$0,$L705
	move	$17,$3

	addiu	$8,$10,1
	sltu	$4,$8,$10
	andi	$2,$8,0x1
	beq	$2,$0,$L707
	addu	$9,$4,$3

	sll	$2,$9,31
	srl	$4,$8,1
	or	$4,$2,$4
	subu	$2,$0,$4
	move	$4,$2
	sw	$4,104($sp)
$L703:
	slt	$2,$fp,2
	bne	$2,$0,$L1058
	slt	$2,$fp,3

	move	$16,$0
$L712:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L712
	move	$16,$8

	sw	$8,100($sp)
	slt	$2,$fp,3
$L1058:
	beq	$2,$0,$L1015
	nop

$L714:
	slt	$2,$fp,4
	beq	$2,$0,$L718
	nop

	sw	$0,108($sp)
$L720:
	slt	$2,$fp,5
	beq	$2,$0,$L723
	nop

	sw	$0,112($sp)
$L725:
	slt	$2,$fp,6
	beq	$2,$0,$L1016
	lw	$5,100($sp)

	lw	$7,108($sp)
	subu	$17,$5,$7
$L732:
	move	$16,$fp
$L735:
	slt	$2,$16,7
	bne	$2,$0,$L1017
	nop

$L911:
	jal	get_byte
	move	$4,$18

	andi	$2,$2,0x80
	bne	$2,$0,$L911
	nop

	j	$L735
	addiu	$16,$16,-1

$L1017:
	beq	$17,$0,$L737
	lw	$3,36($sp)

	addu	$2,$3,$17
	slt	$2,$2,257
	beq	$2,$0,$L737
	lw	$3,92($sp)

	lw	$4,96($sp)
	sltu	$2,$4,$3
	beq	$2,$0,$L740
	lw	$4,88($sp)

	blez	$17,$L743
	lw	$5,36($sp)

	move	$4,$0
	sll	$3,$5,2
	sll	$2,$5,4
	subu	$2,$2,$3
	addu	$2,$22,$2
	addiu	$3,$2,4
	li	$5,78			# 0x4e
	j	$L744
	li	$6,8192

$L745:
	addu	$2,$7,$4
	sh	$2,6($3)
	lw	$2,116($sp)
	lw	$7,104($sp)
	sh	$2,0($3)
	lw	$2,96($sp)
	sh	$7,8($3)
	sb	$2,2($3)
	lw	$7,100($sp)
	lw	$2,112($sp)
	sh	$7,4($3)
	sb	$2,10($3)
$L747:
	lw	$7,36($sp)
	addiu	$4,$4,1
	addiu	$7,$7,1
	slt	$2,$4,$17
	sw	$7,36($sp)
	beq	$2,$0,$L743
	addiu	$3,$3,12

$L744:
	lw	$7,36($sp)
	bne	$7,$5,$L745
	lw	$7,108($sp)

	addiu	$4,$4,-1
	j	$L747
	sh	$6,940($22)

$L743:
	lw	$3,36($sp)
	slt	$2,$3,256
	beq	$2,$0,$L1018
	move	$16,$0

	j	$L1004
	nop

$L740:
	lui	$6,%hi($LC48)
	addiu	$6,$6,%lo($LC48)
	jal	av_log
	move	$5,$0

	lw	$6,24($sp)
	j	$L1001
	lw	$7,28($sp)

$L737:
	lw	$2,36($sp)
	lw	$4,88($sp)
	lui	$6,%hi($LC47)
	addiu	$6,$6,%lo($LC47)
	move	$7,$17
	move	$5,$0
	jal	av_log
	sw	$2,16($sp)

	lw	$6,24($sp)
	j	$L1001
	lw	$7,28($sp)

$L1016:
	move	$16,$0
$L730:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L730
	move	$16,$8

	j	$L732
	move	$17,$8

$L723:
	move	$16,$0
$L726:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L726
	move	$16,$8

	j	$L725
	sw	$8,112($sp)

$L718:
	move	$16,$0
$L721:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L721
	move	$16,$8

	j	$L720
	sw	$8,108($sp)

$L1015:
	move	$16,$0
$L716:
	jal	get_byte
	move	$4,$18

	andi	$4,$2,0x7f
	sll	$6,$16,7
	addu	$8,$6,$4
	andi	$2,$2,0x80
	bne	$2,$0,$L716
	move	$16,$8

	j	$L714
	sw	$8,96($sp)

$L707:
	sll	$2,$9,31
	srl	$4,$8,1
	or	$4,$2,$4
	j	$L703
	sw	$4,104($sp)

$L1018:
	lhu	$3,940($22)
	li	$2,8192			# 0x2000
	bne	$3,$2,$L1019
	lui	$4,%hi($LC49)

	lw	$4,80($sp)
	lw	$5,84($sp)
	addu	$16,$20,$4
	sltu	$2,$16,$20
	addu	$17,$21,$5
	move	$4,$18
	jal	url_ftell
	addu	$17,$2,$17

	subu	$6,$16,$2
	sltu	$4,$16,$6
	subu	$7,$17,$3
	subu	$7,$7,$4
	bltz	$7,$L751
	or	$2,$6,$7

	beq	$2,$0,$L755
	nop

	move	$16,$6
	move	$17,$7
$L757:
	jal	get_byte
	move	$4,$18

	addiu	$4,$16,-1
	sltu	$2,$4,$16
	addiu	$5,$17,-1
	addu	$5,$2,$5
	or	$2,$4,$5
	move	$16,$4
	bne	$2,$0,$L757
	move	$17,$5

$L755:
	jal	get_checksum
	move	$4,$18

	beq	$2,$0,$L1020
	nop

	lw	$4,88($sp)
$L1041:
	lui	$6,%hi($LC50)
	addiu	$6,$6,%lo($LC50)
	jal	av_log
	move	$5,$0

	lw	$6,24($sp)
	j	$L1001
	lw	$7,28($sp)

$L1019:
	lui	$5,%hi($LC3)
	lui	$7,%hi(__PRETTY_FUNCTION__.6099)
	addiu	$4,$4,%lo($LC49)
	addiu	$5,$5,%lo($LC3)
	addiu	$7,$7,%lo(__PRETTY_FUNCTION__.6099)
	jal	__assert_fail
	li	$6,265			# 0x109

$L751:
	move	$4,$18
	li	$2,1			# 0x1
	jal	url_fseek
	sw	$2,16($sp)

	j	$L1041
	lw	$4,88($sp)

$L1020:
	lw	$7,92($sp)
	sll	$2,$7,3
	sll	$4,$7,5
	jal	av_mallocz
	addu	$4,$2,$4

	sw	$2,3088($22)
	lw	$2,92($sp)
	beq	$2,$0