demux_avi.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 5,520 行 · 第 1/5 页

movn	$3,$5,$4
ori	$2,$2,0x1
slt	$3,$3,$2
beq	$3,$0,$L466
lui	$2,%hi($LC14)

$L364:
jal	ds_fill_buffer
move	$4,$23

beq	$2,$0,$L467
li	$2,-2			# 0xfffffffffffffffe

lw	$20,92($23)
lw	$7,68($fp)
bne	$7,$2,$L374
sw	$23,4($20)

move	$23,$0
$L376:
lw	$2,4($21)
blez	$2,$L380
nop

$L471:
addiu	$13,$sp,48
bne	$23,$0,$L382
addiu	$12,$sp,49

lw	$11,4($20)
lw	$8,0($21)
move	$16,$0
move	$17,$0
move	$18,$0
j	$L384
move	$9,$0

$L389:
lw	$2,4($21)
slt	$2,$9,$2
beq	$2,$0,$L492
move	$2,$0

$L384:
lw	$3,0($8)
li	$10,100			# 0x64
sw	$3,48($sp)
lbu	$2,0($13)
lbu	$3,0($12)
addiu	$2,$2,-48
addiu	$3,$3,-48
andi	$4,$2,0x00ff
andi	$6,$3,0x00ff
sltu	$2,$4,10
beq	$2,$0,$L388
sltu	$5,$6,10

sll	$3,$4,3
sll	$2,$4,1
beq	$5,$0,$L388
addu	$2,$2,$3

addu	$10,$2,$6
$L388:
lw	$2,68($11)
lw	$3,12($8)
addiu	$9,$9,1
bne	$10,$2,$L389
addiu	$8,$8,16

addu	$6,$16,$3
sra	$5,$3,31
sltu	$2,$6,$16
addu	$7,$17,$5
addu	$7,$2,$7
lw	$2,4($21)
move	$16,$6
slt	$2,$9,$2
move	$17,$7
bne	$2,$0,$L384
addiu	$18,$18,1

move	$2,$0
$L492:
move	$3,$0
sw	$2,56($sp)
sw	$3,60($sp)
move	$19,$0
lw	$2,56($sp)
$L491:
lw	$3,60($sp)
lui	$6,%hi($LC20)
addiu	$6,$6,%lo($LC20)
li	$4,7			# 0x7
li	$5,6			# 0x6
sw	$16,16($sp)
sw	$2,32($sp)
sw	$3,36($sp)
sw	$17,20($sp)
sw	$18,24($sp)
jal	mp_msg
sw	$19,40($sp)

move	$4,$16
sw	$18,64($21)
jal	__floatdisf
move	$5,$17

bltz	$18,$L403
move	$16,$2

jal	__floatsisf
move	$4,$18

move	$5,$2
jal	__divsf3
move	$4,$16

lw	$4,304($20)
bltz	$4,$L405
move	$16,$2

$L475:
jal	__floatsisf
nop

move	$4,$16
$L479:
jal	__mulsf3
move	$5,$2

lw	$4,300($20)
bltz	$4,$L407
move	$16,$2

jal	__floatsisf
nop

move	$5,$2
$L478:
jal	__divsf3
move	$4,$16

jal	__fixsfsi
move	$4,$2

beq	$23,$0,$L408
sw	$2,252($20)

lw	$4,56($sp)
jal	__floatdisf
lw	$5,60($sp)

bltz	$19,$L411
move	$16,$2

jal	__floatsisf
move	$4,$19

move	$4,$16
$L481:
jal	__divsf3
move	$5,$2

lw	$4,124($23)
bltz	$4,$L413
move	$16,$2

jal	__floatsisf
nop

move	$4,$16
$L480:
jal	__mulsf3
move	$5,$2

lw	$4,120($23)
bltz	$4,$L415
move	$16,$2

jal	__floatsisf
nop

move	$5,$2
$L482:
jal	__divsf3
move	$4,$16

jal	__fixsfsi
move	$4,$2

sw	$2,44($23)
$L408:
lw	$4,52($22)
li	$16,-2			# 0xfffffffffffffffe
lw	$2,68($4)
beq	$2,$16,$L361
lw	$3,92($4)

beq	$3,$0,$L361
li	$2,65534			# 0xfffe

lw	$3,12($3)
beq	$3,$2,$L469
li	$2,26447			# 0x674f

beq	$3,$2,$L470
nop

$L361:
move	$2,$22
lw	$31,100($sp)
lw	$fp,96($sp)
lw	$23,92($sp)
lw	$22,88($sp)
lw	$21,84($sp)
lw	$20,80($sp)
lw	$19,76($sp)
lw	$18,72($sp)
lw	$17,68($sp)
lw	$16,64($sp)
j	$31
addiu	$sp,$sp,104

$L461:
beq	$2,$0,$L493
addiu	$7,$13,16

$L337:
lw	$2,76($21)
bne	$2,$0,$L340
addiu	$2,$12,-4

move	$7,$2
j	$L343
sw	$2,20($21)

$L462:
lw	$2,52($22)
bne	$5,$2,$L347
nop

bne	$17,$20,$L494
li	$2,-1			# 0xffffffffffffffff

move	$20,$4
$L352:
lw	$2,56($22)
beq	$5,$2,$L354
move	$17,$4

j	$L353
li	$17,-1			# 0xffffffffffffffff

$L354:
beq	$20,$19,$L353
nop

j	$L358
move	$17,$4

$L322:
lui	$2,%hi(index_mode)
j	$L324
lw	$5,%lo(index_mode)($2)

$L331:
jal	stream_seek_long
nop

j	$L477
lw	$3,4($21)

$L374:
lui	$6,%hi($LC18)
addiu	$6,$6,%lo($LC18)
li	$4,7			# 0x7
jal	mp_msg
li	$5,6			# 0x6

lw	$2,40($21)
beq	$2,$0,$L495
lui	$6,%hi($LC19)

jal	ds_fill_buffer
move	$4,$fp

beq	$2,$0,$L377
lui	$6,%hi($LC19)

lw	$23,92($fp)
j	$L376
sw	$fp,4($23)

$L377:
$L495:
addiu	$6,$6,%lo($LC19)
li	$4,7			# 0x7
jal	mp_msg
li	$5,4			# 0x4

lw	$2,4($21)
move	$23,$0
bgtz	$2,$L471
sw	$0,92($fp)

$L380:
lw	$2,312($20)
sltu	$3,$2,2
bne	$3,$0,$L472
sw	$2,64($21)

$L416:
beq	$23,$0,$L473
move	$18,$0

lw	$16,156($23)
$L427:
lwl	$4,11($16)
lwr	$4,8($16)
beq	$4,$0,$L430
li	$2,1			# 0x1

lw	$3,144($23)
beq	$3,$2,$L430
nop

bltz	$4,$L434
srl	$2,$4,1

jal	__floatsisf
nop

move	$16,$2
$L433:
lw	$4,132($23)
bltz	$4,$L436
srl	$2,$4,1

jal	__floatsisf
nop

move	$4,$16
$L487:
jal	__mulsf3
move	$5,$2

lw	$4,120($23)
bltz	$4,$L438
move	$16,$2

jal	__floatsisf
nop

move	$4,$16
$L486:
jal	__mulsf3
move	$5,$2

lw	$4,124($23)
bltz	$4,$L440
move	$16,$2

jal	__floatsisf
nop

move	$5,$2
$L485:
jal	__divsf3
move	$4,$16

jal	__fixsfdi
move	$4,$2

move	$18,$2
j	$L429
move	$19,$3

$L467:
lui	$6,%hi($LC17)
move	$22,$0
addiu	$6,$6,%lo($LC17)
li	$4,7			# 0x7
jal	mp_msg
li	$5,1			# 0x1

move	$2,$22
lw	$31,100($sp)
lw	$fp,96($sp)
lw	$23,92($sp)
lw	$22,88($sp)
lw	$21,84($sp)
lw	$20,80($sp)
lw	$19,76($sp)
lw	$18,72($sp)
lw	$17,68($sp)
lw	$16,64($sp)
j	$31
addiu	$sp,$sp,104

$L344:
lui	$2,%hi(force_ni)
lw	$3,%lo(force_ni)($2)
bne	$3,$0,$L474
lui	$6,%hi($LC16)

j	$L364
sw	$0,48($22)

$L464:
j	$L364
sw	$0,92($fp)

$L466:
addiu	$7,$2,%lo($LC14)
$L367:
lui	$6,%hi($LC15)
li	$4,7			# 0x7
addiu	$6,$6,%lo($LC15)
jal	mp_msg
li	$5,4			# 0x4

li	$2,4			# 0x4
sw	$2,40($22)
lui	$2,%hi(demuxer_desc_avi_ni)
li	$4,1			# 0x1
lui	$3,%hi(pts_from_bps)
addiu	$2,$2,%lo(demuxer_desc_avi_ni)
sw	$4,%lo(pts_from_bps)($3)
j	$L364
sw	$2,0($22)

$L474:
li	$4,7			# 0x7
addiu	$6,$6,%lo($LC16)
jal	mp_msg
li	$5,4			# 0x4

lui	$2,%hi(demuxer_desc_avi_nini)
lw	$4,8($22)
li	$3,5			# 0x5
addiu	$2,$2,%lo(demuxer_desc_avi_nini)
sw	$3,40($22)
sw	$2,0($22)
li	$3,1			# 0x1
lui	$2,%hi(pts_from_bps)
sw	$4,12($21)
sw	$4,16($21)
sw	$3,%lo(pts_from_bps)($2)
j	$L364
sw	$0,48($22)

$L465:
lui	$2,%hi($LC13)
j	$L367
addiu	$7,$2,%lo($LC13)

$L430:
lw	$18,132($23)
move	$19,$0
move	$4,$18
jal	__floatdisf
move	$5,$19

lw	$4,64($21)
bltz	$4,$L442
move	$16,$2

jal	__floatsisf
nop

lw	$5,240($20)
$L484:
jal	__mulsf3
move	$4,$2

move	$5,$2
jal	__divsf3
move	$4,$16

jal	__fixsfsi
move	$4,$2

sw	$2,44($23)
$L429:
lw	$4,8($22)
lw	$2,12($22)
lw	$7,64($21)
subu	$2,$2,$4
subu	$4,$2,$18
sra	$3,$2,31
sltu	$6,$2,$4
subu	$5,$3,$19
sll	$2,$7,3
subu	$16,$4,$2
subu	$5,$5,$6
move	$3,$0
sltu	$6,$4,$16
subu	$17,$5,$3
subu	$17,$17,$6
lui	$6,%hi($LC22)
addiu	$6,$6,%lo($LC22)
li	$4,7			# 0x7
li	$5,6			# 0x6
sw	$7,24($sp)
sw	$16,16($sp)
sw	$18,32($sp)
sw	$19,36($sp)
jal	mp_msg
sw	$17,20($sp)

move	$4,$16
jal	__floatdisf
move	$5,$17

lw	$4,64($21)
bltz	$4,$L444
move	$16,$2

jal	__floatsisf
nop

lw	$5,240($20)
$L483:
jal	__mulsf3
move	$4,$2

move	$5,$2
jal	__divsf3
move	$4,$16

jal	__fixsfsi
move	$4,$2

j	$L408
sw	$2,252($20)

$L463:
lui	$6,%hi($LC12)
move	$22,$0
addiu	$6,$6,%lo($LC12)
li	$4,7			# 0x7
jal	mp_msg
li	$5,1			# 0x1

move	$2,$22
lw	$31,100($sp)
lw	$fp,96($sp)
lw	$23,92($sp)
lw	$22,88($sp)
lw	$21,84($sp)
lw	$20,80($sp)
lw	$19,76($sp)
lw	$18,72($sp)
lw	$17,68($sp)
lw	$16,64($sp)
j	$31
addiu	$sp,$sp,104

$L470:
jal	new_ds_stream
nop

move	$4,$2
li	$5,18			# 0x12
li	$6,-1			# 0xffffffffffffffff
li	$7,-2			# 0xfffffffffffffffe
move	$18,$2
sw	$16,16($sp)
jal	new_demuxer
sw	$0,20($sp)

lui	$3,%hi(demux_ogg_open_funcp)
move	$17,$2
lw	$2,%lo(demux_ogg_open_funcp)($3)
jal	$2
move	$4,$17

bne	$2,$0,$L450
move	$6,$22

lui	$6,%hi($LC23)
addiu	$6,$6,%lo($LC23)
li	$5,1			# 0x1
jal	mp_msg
li	$4,5			# 0x5

jal	free_stream
move	$4,$18

lw	$2,52($22)
j	$L361
sw	$16,68($2)

$L407:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L478
move	$5,$2

$L403:
srl	$2,$18,1
andi	$4,$18,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

move	$5,$2
jal	__divsf3
move	$4,$16

lw	$4,304($20)
bgez	$4,$L475
move	$16,$2

$L405:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L479
move	$4,$16

$L413:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L480
move	$4,$16

$L411:
srl	$2,$19,1
andi	$4,$19,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L481
move	$4,$16

$L415:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L482
move	$5,$2

$L459:
addiu	$6,$6,%lo($LC9)
li	$4,7			# 0x7
jal	mp_msg
li	$5,2			# 0x2

lw	$3,52($22)
li	$2,-2			# 0xfffffffffffffffe
j	$L325
sw	$2,68($3)

$L460:
addiu	$6,$6,%lo($LC10)
li	$4,7			# 0x7
jal	mp_msg
li	$5,2			# 0x2

lw	$3,56($22)
li	$2,-1			# 0xffffffffffffffff
j	$L328
sw	$2,68($3)

$L469:
lui	$3,%hi(init_avi_with_ogg_funcp)
lw	$2,%lo(init_avi_with_ogg_funcp)($3)
jal	$2
move	$4,$22

j	$L361
move	$22,$2

$L450:
move	$4,$22
jal	new_demuxers_demuxer
move	$5,$17

j	$L361
move	$22,$2

$L472:
beq	$23,$0,$L496
lui	$6,%hi($LC21)

lw	$16,156($23)
lwl	$2,11($16)
lwr	$2,8($16)
beq	$2,$0,$L497
addiu	$6,$6,%lo($LC21)

lw	$4,132($23)
bltz	$4,$L422
srl	$2,$4,1

jal	__floatsisf
nop

lw	$5,236($20)
$L489:
jal	__mulsf3
move	$4,$2

lw	$4,124($23)
bltz	$4,$L424
move	$17,$2

jal	__floatsisf
nop

move	$4,$17
$L488:
jal	__divsf3
move	$5,$2

lw	$4,120($23)
bltz	$4,$L426
move	$17,$2

jal	__floatsisf
nop

move	$5,$2
$L490:
jal	__mulsf3
move	$4,$17

jal	__fixunssfsi
move	$4,$2

sltu	$3,$2,2
beq	$3,$0,$L427
sw	$2,64($21)

lui	$6,%hi($LC21)
$L496:
addiu	$6,$6,%lo($LC21)
$L497:
li	$4,14			# 0xe
jal	mp_msg
li	$5,2			# 0x2

j	$L416
sw	$0,64($21)

$L444:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L483
lw	$5,240($20)

$L473:
j	$L429
move	$19,$0

$L442:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L484
lw	$5,240($20)

$L440:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L485
move	$5,$2

$L438:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L486
move	$4,$16

$L436:
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L487
move	$4,$16

$L434:
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L433
move	$16,$2

$L424:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L488
move	$4,$17

$L422:
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L489
lw	$5,236($20)

$L426:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L490
move	$5,$2

$L382:
move	$16,$0
move	$17,$0
lw	$11,4($20)
lw	$10,0($21)
sw	$16,56($sp)
sw	$17,60($sp)
move	$18,$0
move	$19,$0
move	$14,$0
$L393:
lw	$3,0($10)
li	$9,100			# 0x64
sw	$3,48($sp)
lbu	$2,0($13)
lbu	$3,0($12)
addiu	$2,$2,-48
addiu	$3,$3,-48
andi	$4,$2,0x00ff
andi	$5,$3,0x00ff
sltu	$2,$4,10
beq	$2,$0,$L397
sltu	$6,$5,10

sll	$3,$4,3
sll	$2,$4,1
beq	$6,$0,$L397
addu	$2,$2,$3

addu	$9,$2,$5
$L397:
lw	$2,68($11)
beq	$9,$2,$L476
lw	$8,12($10)

lw	$3,4($23)
lw	$2,68($3)
bne	$9,$2,$L400
lw	$9,56($sp)

lw	$3,28($21)
addu	$4,$9,$8
sltu	$2,$4,$9
lw	$9,60($sp)
sra	$7,$8,31
addu	$5,$9,$7
addu	$5,$2,$5
addu	$2,$8,$3
addiu	$2,$2,-1
div	$0,$2,$3
teq	$3,$0,7
sw	$4,56($sp)
sw	$5,60($sp)
mflo	$2
addu	$19,$19,$2
$L400:
lw	$2,4($21)
addiu	$14,$14,1
slt	$2,$14,$2
bne	$2,$0,$L393
addiu	$10,$10,16

j	$L491
lw	$2,56($sp)

$L476:
addu	$6,$16,$8
sra	$5,$8,31
sltu	$2,$6,$16
addu	$7,$17,$5
addu	$7,$2,$7
move	$16,$6
move	$17,$7
j	$L400
addiu	$18,$18,1

.set	macro
.set	reorder
.end	demux_open_hack_avi
.section	.rodata.str1.4
.align	2
$LC24:
.ascii	"ON2 AVI format\000"
.section	.text.avi_check_file,"ax",@progbits
.align	2
.align	5
.ent	avi_check_file
.type	avi_check_file, @function
avi_check_file:
.frame	$sp,40,$31		# vars= 0, regs= 6/0, args= 16, gp= 0
.mask	0x801f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$20,32($sp)
sw	$31,36($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$16,16($4)
move	$20,$4
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L499
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$19,$3
$L501:
sltu	$2,$5,$4
beq	$2,$0,$L504
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$18,$3,8
sw	$5,36($16)
$L506:
sltu	$2,$5,$4
beq	$2,$0,$L509
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L511:
sltu	$2,$5,$4
beq	$2,$0,$L514
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$3,$3,24
sw	$5,36($16)
$L516:
or	$4,$3,$19
li	$2,1178992640			# 0x46460000
or	$3,$17,$18
or	$3,$3,$4
ori	$2,$2,0x4952
bne	$3,$2,$L570
li	$2,540147712			# 0x20320000

$L519:
lw	$16,16($20)
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L571
nop

$L567:
addiu	$3,$3,1
sw	$3,36($16)
$L524:
sltu	$2,$3,$4
beq	$2,$0,$L572
nop

$L568:
addiu	$3,$3,1
sw	$3,36($16)
$L528:
sltu	$2,$3,$4
beq	$2,$0,$L573
nop

$L569:
addiu	$3,$3,1
sltu	$2,$3,$4
beq	$2,$0,$L534
sw	$3,36($16)

addiu	$3,$3,1
$L589:
sw	$3,36($16)
$L536:
lw	$16,16($20)
lw	$3,36($16)
lw	$6,40($16)
sltu	$2,$3,$6
beq	$2,$0,$L538
nop

$L576:
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$19,$3
$L540: