nutdec.s

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」· S 代码 · 共 5,122 行 · 第 1/5 页

sw	$9,28($sp)

li	$2,-1			# 0xffffffffffffffff
beq	$fp,$2,$L287
lw	$2,32($sp)

li	$2,-2			# 0xfffffffffffffffe
bne	$fp,$2,$L269
lw	$2,40($sp)

j	$L262
lw	$3,44($sp)

$L287:
j	$L262
lw	$3,36($sp)

$L269:
lui	$4,%hi($LC22)
lui	$5,%hi($LC3)
lui	$7,%hi(__PRETTY_FUNCTION__.6825)
addiu	$4,$4,%lo($LC22)
addiu	$5,$5,%lo($LC3)
addiu	$7,$7,%lo(__PRETTY_FUNCTION__.6825)
jal	__assert_fail
li	$6,774			# 0x306

.set	macro
.set	reorder
.end	nut_read_timestamp
.section	.rodata.str1.4
.align	2
$LC23:
.ascii	"Error stream_id_plus1 is (%lld)\012\000"
.align	2
$LC24:
.ascii	"UTF-8\000"
.align	2
$LC25:
.ascii	"s\000"
.align	2
$LC26:
.ascii	"t\000"
.align	2
$LC27:
.ascii	"v\000"
.align	2
$LC28:
.ascii	"r\000"
.align	2
$LC29:
.ascii	"Author\000"
.align	2
$LC30:
.ascii	"Title\000"
.align	2
$LC31:
.ascii	"Copyright\000"
.align	2
$LC32:
.ascii	"Description\000"
.align	2
$LC33:
.ascii	"info header checksum mismatch\012\000"
.section	.text.decode_info_header,"ax",@progbits
.align	2
.align	5
.ent	decode_info_header
.type	decode_info_header, @function
decode_info_header:
.frame	$sp,1624,$31		# vars= 1560, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-1624
sw	$31,1620($sp)
sw	$23,1612($sp)
sw	$22,1608($sp)
sw	$20,1600($sp)
sw	$17,1588($sp)
sw	$16,1584($sp)
sw	$fp,1616($sp)
sw	$21,1604($sp)
sw	$19,1596($sp)
sw	$18,1592($sp)
lw	$2,0($4)
li	$3,1313406976			# 0x4e490000
addiu	$20,$2,16
sw	$2,1568($sp)
li	$2,-1248460800			# 0xffffffffb5960000
ori	$3,$3,0xab68
li	$6,1			# 0x1
move	$5,$20
ori	$2,$2,0xba78
sw	$3,20($sp)
jal	get_packetheader
sw	$2,16($sp)

move	$4,$20
move	$22,$2
jal	url_ftell
sra	$23,$2,31

sw	$2,1576($sp)
sw	$3,1580($sp)
move	$16,$0
move	$17,$0
$L295:
jal	get_byte
move	$4,$20

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,$0,$L295
move	$17,$9

lw	$4,1568($sp)
bne	$9,$0,$L500
lw	$2,96($4)

beq	$9,$0,$L473
sltu	$2,$2,$8

move	$16,$0
$L494:
move	$17,$0
$L301:
jal	get_byte
move	$4,$20

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	$3,$3,$9
andi	$2,$2,0x80
move	$16,$8
bne	$2,$0,$L301
move	$17,$3

addiu	$10,$8,1
sltu	$4,$10,$8
andi	$2,$10,0x1
beq	$2,$0,$L303
addu	$11,$4,$3

sll	$2,$11,31
srl	$4,$10,1
or	$4,$2,$4
subu	$2,$0,$4
move	$4,$2
$L305:
sw	$4,1560($sp)
$L306:
jal	get_byte
move	$4,$20

andi	$2,$2,0x80
bne	$2,$0,$L306
nop

$L430:
jal	get_byte
move	$4,$20

andi	$2,$2,0x80
bne	$2,$0,$L430
nop

move	$16,$0
$L309:
jal	get_byte
move	$4,$20

andi	$4,$2,0x7f
sll	$6,$16,7
addu	$8,$6,$4
andi	$2,$2,0x80
bne	$2,$0,$L309
move	$16,$8

beq	$8,$0,$L311
sw	$8,1564($sp)

move	$21,$0
addiu	$fp,$sp,280
$L313:
move	$16,$0
$L314:
jal	get_byte
move	$4,$20

andi	$4,$2,0x7f
sll	$6,$16,7
addu	$8,$6,$4
andi	$2,$2,0x80
bne	$2,$0,$L314
move	$16,$8

bne	$8,$0,$L316
move	$17,$8

addiu	$2,$sp,24
$L318:
sb	$0,0($2)
$L501:
move	$16,$0
move	$17,$0
$L322:
jal	get_byte
move	$4,$20

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	$3,$3,$9
andi	$2,$2,0x80
move	$16,$8
bne	$2,$0,$L322
move	$17,$3

addiu	$10,$8,1
sltu	$4,$10,$8
andi	$2,$10,0x1
beq	$2,$0,$L324
addu	$11,$4,$3

sll	$2,$11,31
srl	$4,$10,1
or	$4,$2,$4
subu	$2,$0,$4
sra	$5,$11,1
sltu	$6,$0,$2
subu	$3,$0,$5
subu	$3,$3,$6
move	$4,$2
li	$2,-1			# 0xffffffffffffffff
beq	$4,$2,$L474
move	$5,$3

$L327:
li	$2,-2			# 0xfffffffffffffffe
$L496:
beq	$4,$2,$L475
li	$2,-1			# 0xffffffffffffffff

li	$2,-3			# 0xfffffffffffffffd
$L497:
beq	$4,$2,$L476
li	$2,-1			# 0xffffffffffffffff

li	$2,-4			# 0xfffffffffffffffc
$L498:
beq	$4,$2,$L477
li	$2,-1			# 0xffffffffffffffff

slt	$2,$5,-1
$L499:
bne	$2,$0,$L437
li	$2,-1			# 0xffffffffffffffff

beq	$5,$2,$L478
sltu	$2,$4,-4

lui	$2,%hi($LC27)
$L495:
addiu	$fp,$2,%lo($LC27)
$L337:
lw	$4,1560($sp)
beq	$4,$0,$L479
nop

$L366:
lw	$3,1564($sp)
$L488:
addiu	$21,$21,1
bne	$3,$21,$L313
nop

$L311:
jal	url_ftell
move	$4,$20

lw	$6,1576($sp)
lw	$7,1580($sp)
addu	$4,$22,$6
sltu	$6,$4,$22
addu	$5,$23,$7
addu	$5,$6,$5
subu	$8,$4,$2
sltu	$6,$4,$8
subu	$9,$5,$3
subu	$9,$9,$6
bltz	$9,$L421
or	$2,$8,$9

beq	$2,$0,$L425
move	$16,$8

move	$17,$9
$L427:
jal	get_byte
move	$4,$20

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,$0,$L427
move	$17,$5

$L425:
jal	get_checksum
move	$4,$20

beq	$2,$0,$L493
lw	$31,1620($sp)

lw	$4,1568($sp)
$L489:
lui	$6,%hi($LC33)
addiu	$6,$6,%lo($LC33)
jal	av_log
move	$5,$0

lw	$31,1620($sp)
lw	$fp,1616($sp)
lw	$23,1612($sp)
lw	$22,1608($sp)
lw	$21,1604($sp)
lw	$20,1600($sp)
lw	$19,1596($sp)
lw	$18,1592($sp)
lw	$17,1588($sp)
lw	$16,1584($sp)
li	$2,-1			# 0xffffffffffffffff
j	$31
addiu	$sp,$sp,1624

$L473:
beq	$2,$0,$L494
move	$16,$0

lw	$4,1568($sp)
$L500:
lui	$6,%hi($LC23)
addiu	$6,$6,%lo($LC23)
move	$5,$0
sw	$8,16($sp)
jal	av_log
sw	$9,20($sp)

li	$2,-1			# 0xffffffffffffffff
lw	$31,1620($sp)
$L493:
lw	$fp,1616($sp)
lw	$23,1612($sp)
lw	$22,1608($sp)
lw	$21,1604($sp)
lw	$20,1600($sp)
lw	$19,1596($sp)
lw	$18,1592($sp)
lw	$17,1588($sp)
lw	$16,1584($sp)
j	$31
addiu	$sp,$sp,1624

$L478:
beq	$2,$0,$L495
lui	$2,%hi($LC27)

$L437:
jal	get_byte
move	$4,$20

andi	$2,$2,0x80
bne	$2,$0,$L437
lw	$4,1560($sp)

lui	$2,%hi($LC28)
bne	$4,$0,$L366
addiu	$fp,$2,%lo($LC28)

$L479:
lui	$16,%hi($LC24)
jal	strlen
addiu	$4,$16,%lo($LC24)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L368
lbu	$3,%lo($LC24)($16)

lbu	$2,0($fp)
beq	$6,$0,$L370
subu	$2,$2,$3

bne	$2,$0,$L488
lw	$3,1564($sp)

addiu	$7,$16,%lo($LC24)
lbu	$2,1($fp)
lbu	$3,1($7)
sltu	$4,$6,2
bne	$4,$0,$L370
subu	$2,$2,$3

bne	$2,$0,$L488
lw	$3,1564($sp)

lbu	$3,2($fp)
lbu	$2,2($7)
subu	$2,$3,$2
li	$3,2			# 0x2
beq	$6,$3,$L370
nop

bne	$2,$0,$L488
lw	$3,1564($sp)

lbu	$3,3($fp)
lbu	$2,3($7)
subu	$2,$3,$2
$L370:
bne	$2,$0,$L488
lw	$3,1564($sp)

lui	$16,%hi($LC29)
jal	strlen
addiu	$4,$16,%lo($LC29)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L378
lbu	$3,%lo($LC29)($16)

lbu	$2,24($sp)
beq	$6,$0,$L380
subu	$2,$2,$3

bne	$2,$0,$L382
addiu	$4,$16,%lo($LC29)

lbu	$3,1($4)
lbu	$2,25($sp)
sltu	$4,$6,2
bne	$4,$0,$L380
subu	$2,$2,$3

bne	$2,$0,$L382
addiu	$7,$16,%lo($LC29)

lbu	$3,26($sp)
lbu	$2,2($7)
subu	$2,$3,$2
li	$3,2			# 0x2
beq	$6,$3,$L380
nop

bne	$2,$0,$L382
lbu	$3,27($sp)

lbu	$2,3($7)
subu	$2,$3,$2
$L380:
beq	$2,$0,$L480
lw	$6,1568($sp)

$L382:
lui	$16,%hi($LC30)
jal	strlen
addiu	$4,$16,%lo($LC30)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L389
lbu	$3,%lo($LC30)($16)

lbu	$2,24($sp)
beq	$6,$0,$L391
subu	$2,$2,$3

bne	$2,$0,$L393
addiu	$7,$16,%lo($LC30)

lbu	$2,25($sp)
lbu	$3,1($7)
sltu	$4,$6,2
bne	$4,$0,$L391
subu	$2,$2,$3

bne	$2,$0,$L393
lbu	$3,26($sp)

lbu	$2,2($7)
subu	$2,$3,$2
li	$3,2			# 0x2
beq	$6,$3,$L391
nop

bne	$2,$0,$L393
lbu	$3,27($sp)

lbu	$2,3($7)
subu	$2,$3,$2
$L391:
beq	$2,$0,$L481
lw	$6,1568($sp)

$L393:
lui	$16,%hi($LC31)
jal	strlen
addiu	$4,$16,%lo($LC31)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L400
lbu	$3,%lo($LC31)($16)

lbu	$2,24($sp)
beq	$6,$0,$L402
subu	$2,$2,$3

bne	$2,$0,$L404
addiu	$7,$16,%lo($LC31)

lbu	$2,25($sp)
lbu	$3,1($7)
sltu	$4,$6,2
bne	$4,$0,$L402
subu	$2,$2,$3

bne	$2,$0,$L404
lbu	$3,26($sp)

lbu	$2,2($7)
subu	$2,$3,$2
li	$3,2			# 0x2
beq	$6,$3,$L402
nop

bne	$2,$0,$L404
lbu	$3,27($sp)

lbu	$2,3($7)
subu	$2,$3,$2
$L402:
beq	$2,$0,$L482
lw	$6,1568($sp)

$L404:
lui	$16,%hi($LC32)
jal	strlen
addiu	$4,$16,%lo($LC32)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L411
lbu	$3,%lo($LC32)($16)

lbu	$2,24($sp)
addiu	$5,$16,%lo($LC32)
beq	$6,$0,$L413
subu	$2,$2,$3

bne	$2,$0,$L488
lw	$3,1564($sp)

lbu	$2,25($sp)
lbu	$3,1($5)
sltu	$4,$6,2
bne	$4,$0,$L413
subu	$2,$2,$3

bne	$2,$0,$L488
lw	$3,1564($sp)

lbu	$3,26($sp)
lbu	$2,2($5)
li	$7,2			# 0x2
beq	$6,$7,$L413
subu	$2,$3,$2

bne	$2,$0,$L488
lw	$3,1564($sp)

lbu	$3,3($5)
lbu	$2,27($sp)
subu	$2,$2,$3
$L413:
bne	$2,$0,$L366
lw	$2,1568($sp)

addiu	$5,$sp,536
$L506:
addiu	$4,$2,2752
jal	av_strlcpy
li	$6,512			# 0x200

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

$L324:
sll	$2,$11,31
srl	$4,$10,1
or	$4,$2,$4
li	$2,-1			# 0xffffffffffffffff
bne	$4,$2,$L327
sra	$5,$11,1

$L474:
bne	$5,$2,$L496
li	$2,-2			# 0xfffffffffffffffe

move	$18,$0
$L329:
jal	get_byte
move	$4,$20

andi	$4,$2,0x7f
sll	$6,$18,7
addu	$16,$6,$4
andi	$2,$2,0x80
bne	$2,$0,$L329
move	$18,$16

bne	$16,$0,$L331
move	$17,$16

addiu	$5,$sp,536
$L333:
lui	$2,%hi($LC24)
$L502:
addiu	$fp,$2,%lo($LC24)
j	$L337
sb	$0,0($5)

$L316:
sltu	$16,$8,257
li	$6,256			# 0x100
movn	$6,$8,$16
move	$4,$20
jal	get_buffer
addiu	$5,$sp,24

bne	$16,$0,$L483
li	$2,255			# 0xff

$L431:
jal	get_byte
move	$4,$20

addiu	$17,$17,-1
li	$2,256			# 0x100
bne	$17,$2,$L431
addiu	$2,$sp,279

j	$L501
sb	$0,0($2)

$L475:
bne	$5,$2,$L497
li	$2,-3			# 0xfffffffffffffffd

move	$18,$0
$L340:
jal	get_byte
move	$4,$20

andi	$4,$2,0x7f
sll	$6,$18,7
addu	$16,$6,$4
andi	$2,$2,0x80
bne	$2,$0,$L340
move	$18,$16

bne	$16,$0,$L342
move	$17,$16

move	$3,$0
$L344:
addu	$2,$3,$fp
$L503:
sb	$0,0($2)
move	$18,$0
$L348:
jal	get_byte
move	$4,$20

andi	$4,$2,0x7f
sll	$6,$18,7
addu	$16,$6,$4
andi	$2,$2,0x80
bne	$2,$0,$L348
move	$18,$16

bne	$16,$0,$L350
move	$17,$16

addiu	$5,$sp,536
j	$L337
sb	$0,0($5)

$L476:
bne	$5,$2,$L498
li	$2,-4			# 0xfffffffffffffffc

$L435:
jal	get_byte
move	$4,$20

andi	$2,$2,0x80
bne	$2,$0,$L435
lui	$2,%hi($LC25)

j	$L337
addiu	$fp,$2,%lo($LC25)

$L477:
bne	$5,$2,$L499
slt	$2,$5,-1

$L436:
jal	get_byte
move	$4,$20

andi	$2,$2,0x80
bne	$2,$0,$L436
lui	$2,%hi($LC26)

j	$L337
addiu	$fp,$2,%lo($LC26)

$L368:
addiu	$5,$16,%lo($LC24)
jal	strcmp
move	$4,$fp

j	$L370
nop

$L303:
sll	$2,$11,31
srl	$4,$10,1
j	$L305
or	$4,$2,$4

$L378:
addiu	$5,$16,%lo($LC29)
jal	strcmp
addiu	$4,$sp,24

j	$L380
nop

$L331:
sltu	$16,$16,1025
addiu	$18,$sp,536
li	$6,1024			# 0x400
movn	$6,$17,$16
move	$4,$20
jal	get_buffer
move	$5,$18

bne	$16,$0,$L484
li	$2,1023			# 0x3ff

$L432:
jal	get_byte
move	$4,$20

addiu	$17,$17,-1
li	$2,1024			# 0x400
bne	$17,$2,$L432
addiu	$5,$sp,1559

j	$L502
lui	$2,%hi($LC24)

$L421:
move	$4,$20
move	$6,$8
move	$7,$9
li	$2,1			# 0x1
jal	url_fseek
sw	$2,16($sp)

j	$L489
lw	$4,1568($sp)

$L350:
sltu	$16,$16,1025
addiu	$18,$sp,536
li	$6,1024			# 0x400
movn	$6,$17,$16
move	$4,$20
jal	get_buffer
move	$5,$18

bne	$16,$0,$L485
li	$2,1023			# 0x3ff

$L434:
jal	get_byte
move	$4,$20

addiu	$17,$17,-1
li	$3,1024			# 0x400
bne	$17,$3,$L434
addiu	$5,$sp,1559

j	$L337
sb	$0,0($5)

$L342:
sltu	$16,$16,5
li	$6,4			# 0x4
movn	$6,$18,$16
move	$4,$20
jal	get_buffer
move	$5,$fp

bne	$16,$0,$L486
li	$3,3			# 0x3

$L433:
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