demux_mpg.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 4,792 行 · 第 1/5 页

	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L484
	sw	$4,36($17)

$L496:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L503
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L500
	move	$2,$0

	lw	$5,36($17)
	lw	$6,40($17)
	subu	$3,$6,$5
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	bgtz	$16,$L496
	sw	$4,36($17)

$L484:
	move	$2,$0
$L500:
	lw	$31,52($sp)
	lw	$fp,48($sp)
	lw	$23,44($sp)
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,56

$L487:
	jal	stream_fill_buffer
	move	$4,$17

	beq	$2,$0,$L599
	nop

	lw	$2,36($17)
	lw	$3,80($17)
	addiu	$4,$2,1
	addu	$3,$3,$2
	lbu	$2,0($3)
	sw	$4,36($17)
	j	$L489
	lw	$17,16($20)

$L621:
	lw	$6,40($17)
	lw	$5,36($17)
	j	$L505
	li	$16,1			# 0x1

$L508:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L509
	sw	$4,36($17)

$L505:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L508
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L509
	nop

	lw	$5,36($17)
	lw	$6,40($17)
	j	$L508
	subu	$3,$6,$5

$L509:
	lw	$16,16($20)
	lw	$3,36($16)
	lw	$5,40($16)
	sltu	$2,$3,$5
	beq	$2,$0,$L511
	addiu	$4,$3,1

	lw	$2,80($16)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$4,36($16)
	sll	$17,$3,8
$L513:
	sltu	$2,$4,$5
	beq	$2,$0,$L516
	nop

	lw	$2,80($16)
	addu	$2,$4,$2
	addiu	$4,$4,1
	lbu	$2,0($2)
	sw	$4,36($16)
$L518:
	or	$19,$2,$17
	move	$16,$19
	bltz	$19,$L623
	lw	$17,16($20)

	li	$2,262144			# 0x40000
	slt	$2,$2,$19
	beq	$2,$0,$L624
	nop

	lw	$2,28($17)
	andi	$2,$2,0x4
	beq	$2,$0,$L602
	nop

$L523:
	lw	$4,44($17)
	lw	$2,36($17)
	lw	$6,40($17)
	addu	$2,$4,$2
	subu	$2,$2,$6
	addu	$5,$19,$2
	slt	$3,$5,$4
	beq	$3,$0,$L528
	subu	$2,$4,$6

	subu	$2,$5,$2
	bltz	$2,$L528
	nop

	sw	$2,36($17)
	move	$3,$2
$L524:
	lw	$5,40($17)
	sltu	$2,$3,$5
	beq	$2,$0,$L535
	addiu	$4,$3,1

	lw	$2,80($17)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$4,36($17)
	sll	$16,$3,8
$L537:
	sltu	$2,$4,$5
	beq	$2,$0,$L540
	nop

	lw	$2,80($17)
	addu	$2,$4,$2
	addiu	$4,$4,1
	lbu	$3,0($2)
	sw	$4,36($17)
$L542:
	subu	$2,$18,$19
	or	$4,$3,$16
	addiu	$2,$2,-8
	sltu	$3,$2,$4
	move	$19,$2
	movz	$19,$4,$3
	beq	$19,$0,$L604
	li	$2,268435456			# 0x10000000

	lw	$17,16($20)
	ori	$22,$2,0x1
	ori	$23,$2,0x2
	ori	$fp,$2,0x4
$L546:
	lw	$3,36($17)
	lw	$2,40($17)
	sltu	$2,$3,$2
	beq	$2,$0,$L547
	addiu	$4,$3,1

	lw	$2,80($17)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$4,36($17)
	andi	$16,$3,0x00ff
$L549:
	lw	$2,40($17)
	sltu	$2,$4,$2
	beq	$2,$0,$L552
	addiu	$3,$4,1

	lw	$2,80($17)
	addu	$2,$4,$2
	lbu	$2,0($2)
	sw	$3,36($17)
$L554:
	andi	$3,$2,0x00ff
	addiu	$2,$3,80
	andi	$2,$2,0x00ff
	sltu	$2,$2,64
	beq	$2,$0,$L555
	nop

	beq	$21,$0,$L555
	li	$2,15			# 0xf

	beq	$16,$2,$L562
	addiu	$3,$3,-176

	sltu	$2,$16,16
	beq	$2,$0,$L566
	li	$2,17			# 0x11

	li	$2,2			# 0x2
	beq	$16,$2,$L560
	sltu	$2,$16,3

	beq	$2,$0,$L567
	sltu	$2,$16,5

	li	$2,1			# 0x1
	beq	$16,$2,$L625
	sll	$2,$3,2

$L555:
	lw	$3,36($17)
	lw	$5,40($17)
	sltu	$2,$3,$5
	beq	$2,$0,$L568
	addiu	$4,$3,1

	lw	$2,80($17)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$4,36($17)
	sll	$16,$3,8
$L570:
	sltu	$2,$4,$5
	beq	$2,$0,$L573
	nop

	lw	$2,80($17)
	addu	$2,$4,$2
	addiu	$4,$4,1
	lbu	$3,0($2)
	sw	$4,36($17)
$L575:
	or	$3,$3,$16
	sltu	$2,$19,$3
	move	$18,$19
	movz	$18,$3,$2
	lw	$17,16($20)
	bltz	$18,$L626
	move	$16,$18

$L578:
	li	$2,262144			# 0x40000
	slt	$2,$2,$18
	bne	$2,$0,$L582
	nop

	blez	$18,$L628
	subu	$2,$19,$18

$L607:
	lw	$6,40($17)
	j	$L610
	lw	$5,36($17)

$L590:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L608
	sw	$4,36($17)

$L610:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L590
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L608
	nop

	lw	$5,36($17)
	lw	$6,40($17)
	subu	$3,$6,$5
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	bgtz	$16,$L610
	sw	$4,36($17)

$L608:
	lw	$17,16($20)
$L581:
	subu	$2,$19,$18
$L628:
	addiu	$19,$2,-4
$L629:
	bne	$19,$0,$L546
	nop

$L545:
	lw	$6,40($17)
	lw	$5,36($17)
	j	$L592
	li	$16,4			# 0x4

$L595:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L596
	sw	$4,36($17)

$L592:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L595
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L500
	li	$2,1			# 0x1

	lw	$5,36($17)
	lw	$6,40($17)
	j	$L595
	subu	$3,$6,$5

$L622:
	lw	$2,28($17)
	andi	$2,$2,0x2
	beq	$2,$0,$L500
	move	$2,$0

	lw	$4,44($17)
	lw	$2,36($17)
	lw	$6,40($17)
	addu	$2,$4,$2
	subu	$2,$2,$6
	addu	$5,$16,$2
	slt	$3,$5,$4
	beq	$3,$0,$L497
	nop

	subu	$2,$4,$6
	subu	$3,$5,$2
	bltz	$3,$L497
	nop

	move	$2,$0
	j	$L500
	sw	$3,36($17)

$L599:
	j	$L490
	lw	$17,16($20)

$L624:
	blez	$19,$L620
	nop

$L602:
	lw	$6,40($17)
	j	$L609
	lw	$5,36($17)

$L533:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L627
	sw	$4,36($17)

$L609:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L533
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L603
	nop

	lw	$5,36($17)
	lw	$6,40($17)
	j	$L533
	subu	$3,$6,$5

$L582:
	lw	$2,28($17)
	andi	$2,$2,0x4
	beq	$2,$0,$L607
	nop

$L580:
	lw	$4,44($17)
	lw	$2,36($17)
	lw	$6,40($17)
	addu	$2,$4,$2
	subu	$2,$2,$6
	addu	$5,$18,$2
	slt	$3,$5,$4
	beq	$3,$0,$L585
	subu	$2,$4,$6

	subu	$2,$5,$2
	bltz	$2,$L585
	nop

	j	$L581
	sw	$2,36($17)

$L573:
	jal	stream_fill_buffer
	move	$4,$17

	bne	$2,$0,$L576
	move	$18,$19

	li	$3,-256			# 0xffffffffffffff00
	or	$3,$3,$16
	sltu	$2,$19,$3
	movz	$18,$3,$2
	lw	$17,16($20)
	bgez	$18,$L578
	move	$16,$18

$L626:
	lw	$2,28($17)
	andi	$2,$2,0x2
	bne	$2,$0,$L580
	subu	$2,$19,$18

	j	$L629
	addiu	$19,$2,-4

$L552:
	jal	stream_fill_buffer
	move	$4,$17

	beq	$2,$0,$L605
	nop

	lw	$2,36($17)
	lw	$3,80($17)
	addiu	$4,$2,1
	addu	$3,$3,$2
	lbu	$2,0($3)
	sw	$4,36($17)
	j	$L554
	lw	$17,16($20)

$L568:
	jal	stream_fill_buffer
	move	$4,$17

	bne	$2,$0,$L571
	nop

	lw	$4,36($17)
	lw	$5,40($17)
	j	$L570
	li	$16,-65536			# 0xffffffffffff0000

$L547:
	jal	stream_fill_buffer
	move	$4,$17

	bne	$2,$0,$L550
	nop

	lw	$17,16($20)
	move	$16,$0
	j	$L549
	lw	$4,36($17)

$L550:
	lw	$3,36($17)
	lw	$2,80($17)
	addiu	$4,$3,1
	addu	$2,$2,$3
	lbu	$5,0($2)
	sw	$4,36($17)
	lw	$17,16($20)
	andi	$16,$5,0x00ff
	j	$L549
	lw	$4,36($17)

$L605:
	j	$L555
	lw	$17,16($20)

$L576:
	lw	$2,36($17)
	lw	$3,80($17)
	addiu	$4,$2,1
	addu	$3,$3,$2
	lbu	$3,0($3)
	j	$L575
	sw	$4,36($17)

$L571:
	lw	$4,36($17)
	lw	$2,80($17)
	lw	$5,40($17)
	addu	$2,$2,$4
	lbu	$3,0($2)
	addiu	$4,$4,1
	sll	$16,$3,8
	j	$L570
	sw	$4,36($17)

$L585:
	jal	stream_seek_long
	move	$4,$17

	j	$L581
	lw	$17,16($20)

$L562:
	sll	$3,$3,2
	li	$2,1093926912			# 0x41340000
	addu	$3,$3,$21
	ori	$2,$2,0x504d
	j	$L555
	sw	$2,16($3)

$L566:
	beq	$16,$2,$L562
	sltu	$2,$16,17

	bne	$2,$0,$L563
	sll	$2,$3,2

	li	$2,27			# 0x1b
	beq	$16,$2,$L564
	li	$2,129			# 0x81

	bne	$16,$2,$L555
	sll	$2,$3,2

	addu	$2,$2,$21
	li	$3,8192			# 0x2000
	j	$L555
	sw	$3,16($2)

$L596:
	j	$L500
	li	$2,1			# 0x1

$L627:
	lw	$17,16($20)
	j	$L524
	lw	$3,36($17)

$L563:
	addu	$2,$2,$21
	j	$L555
	sw	$fp,16($2)

$L567:
	beq	$2,$0,$L555
	sll	$2,$3,2

	addu	$2,$2,$21
	li	$3,80			# 0x50
	j	$L555
	sw	$3,16($2)

$L560:
	sll	$2,$3,2
	addu	$2,$2,$21
	j	$L555
	sw	$23,16($2)

$L540:
	jal	stream_fill_buffer
	move	$4,$17

	bne	$2,$0,$L543
	nop

	j	$L542
	li	$3,-256			# 0xffffffffffffff00

$L535:
	jal	stream_fill_buffer
	move	$4,$17

	bne	$2,$0,$L538
	nop

	lw	$4,36($17)
	lw	$5,40($17)
	j	$L537
	li	$16,-65536			# 0xffffffffffff0000

$L516:
	jal	stream_fill_buffer
	move	$4,$16

	bne	$2,$0,$L519
	nop

	j	$L518
	li	$2,-256			# 0xffffffffffffff00

$L511:
	jal	stream_fill_buffer
	move	$4,$16

	bne	$2,$0,$L514
	nop

	lw	$4,36($16)
	lw	$5,40($16)
	j	$L513
	li	$17,-65536			# 0xffffffffffff0000

$L603:
	lw	$17,16($20)
$L620:
	j	$L524
	lw	$3,36($17)

$L497:
	jal	stream_seek_long
	move	$4,$17

	j	$L500
	move	$2,$0

$L623:
	lw	$2,28($17)
	andi	$2,$2,0x2
	bne	$2,$0,$L523
	nop

	j	$L524
	lw	$3,36($17)

$L543:
	lw	$2,36($17)
	lw	$3,80($17)
	addiu	$4,$2,1
	addu	$3,$3,$2
	lbu	$3,0($3)
	j	$L542
	sw	$4,36($17)

$L538:
	lw	$4,36($17)
	lw	$2,80($17)
	lw	$5,40($17)
	addu	$2,$2,$4
	lbu	$3,0($2)
	addiu	$4,$4,1
	sll	$16,$3,8
	j	$L537
	sw	$4,36($17)

$L519:
	lw	$2,36($16)
	lw	$3,80($16)
	addiu	$4,$2,1
	addu	$3,$3,$2
	lbu	$2,0($3)
	j	$L518
	sw	$4,36($16)

$L514:
	lw	$4,36($16)
	lw	$2,80($16)
	lw	$5,40($16)
	addu	$2,$2,$4
	lbu	$3,0($2)
	addiu	$4,$4,1
	sll	$17,$3,8
	j	$L513
	sw	$4,36($16)

$L528:
	jal	stream_seek_long
	move	$4,$17

	lw	$17,16($20)
	j	$L524
	lw	$3,36($17)

$L625:
	addu	$2,$2,$21
	j	$L555
	sw	$22,16($2)

$L564:
	sll	$2,$3,2
	li	$3,268435456			# 0x10000000
	addu	$2,$2,$21
	ori	$3,$3,0x5
	j	$L555
	sw	$3,16($2)

$L604:
	j	$L545
	lw	$17,16($20)

	.set	macro
	.set	reorder
	.end	parse_psm
	.section	.rodata.str1.4
	.align	2
$LC13:
	.ascii	"MPEG packet stats: p100: %d  p101: %d p1B6: %d p12x: %d "
	.ascii	"sli: %d a: %d b: %d c: %d idr: %d sps: %d pps: %d PES: %"
	.ascii	"d  MP3: %d, synced: %d\012\000"
	.align	2
$LC14:
	.ascii	"MPEG: Missing video stream!? Contact the author, it may "
	.ascii	"be a bug :(\012\000"
	.align	2
$LC15:
	.ascii	"Not MPEG System Stream format... (maybe Transport Stream"
	.ascii	"?)\012\000"
	.section	.rodata.cst4
	.align	2
$LC10:
	.word	-1082130432
	.align	2
$LC11:
	.word	1056964608
	.align	2
$LC12:
	.word	1073741824
	.section	.text.demux_mpg_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	demux_mpg_probe
	.type	demux_mpg_probe, @function
demux_mpg_probe:
	.frame	$sp,120,$31		# vars= 8, regs= 10/0, args= 72, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-120
	sw	$20,96($sp)
	sw	$31,116($sp)
	sw	$fp,112($sp)
	sw	$23,108($sp)
	sw	$22,104($sp)
	sw	$21,100($sp)
	sw	$19,92($sp)
	sw	$18,88($sp)
	sw	$17,84($sp)
	sw	$16,80($sp)
	lw	$16,16($4)
	move	$20,$4
	lw	$2,44($16)
	lw	$4,36($16)
	lw	$6,40($16)
	addu	$2,$4,$2
	subu	$2,$2,$6
	sltu	$3,$4,$6
	beq	$3,$0,$L631
	sw	$2,72($sp)

	lw	$2,80($16)
	addiu	$5,$4,1
	addu	$2,$4,$2
	lbu	$3,0($2)
	sw	$5,36($16)
	sll	$19,$3,8
$L633:
	sltu	$2,$5,$6
	beq	$2,$0,$L636
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	move	$18,$3
	sw	$5,36($16)
$L638:
	sltu	$2,$5,$6
	beq	$2,$0,$L641
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	move	$17,$3
	sw	$5,36($16)
$L643:
	sltu	$2,$5,$6
	beq	$2,$0,$L646
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	addiu	$5,$5,1
	lbu	$3,0($2)
	sw	$5,36($16)
$L648:
	or	$2,$19,$18
	sll	$2,$2,8
	or	$2,$2,$17
	sll	$2,$2,8
	or	$4,$2,$3
	li	$3,480			# 0x1e0
	beq	$4,$3,$L651
	li	$2,448			# 0x1c0

	beq	$4,$2,$L651
	nop

$L653:
	lw	$6,16($20)
	lw	$4,72($sp)
	lw	$3,44($6)
	slt	$2,$4,$3
	beq	$2,$0,$L749
	lw	$5,72($sp)

$L738:
	lw	$2,40($6)
	subu	$2,$3,$2
	subu	$2,$4,$2
	bltz	$2,$L749
	lw	$5,72($sp)

	sw	$2,36($6)
$L664:
	lui	$2,%hi(num_elementary_packetsPES)
	lui	$3,%hi(num_h264_slice)
	sw	$0,%lo(num_elementary_packetsPES)($2)
	lui	$2,%hi(num_h264_dpa)
	sw	$0,%lo(num_h264_slice)($3)
	sw	$0,%lo(num_h264_dpa)($2)
	lui	$3,%hi(num_h264_dpb)
	lui	$2,%hi(num_h264_dpc)
	lw	$4,56($20)
	lui	$18,%hi(num_elementary_packets100)
	lui	$19,%hi(num_elementary_packets101)
	lui	$23,%hi(num_elementary_packets1B6)
	lui	$fp,%hi(num_elementary_packets12x)
	lui	$21,%hi(num_h264_sps)
	lui	$17,%hi(num_mp3audio_packets)
	sw	$0,%lo(num_h264_dpb)($3)
	sw	$0,%lo(num_h264_dpc)($2)
	lui	$3,%hi(num_h264_idr)
	lui	$2,%hi(num_h264_pps)
	sw	$0,%lo(num_elementary_packets100)($18)
	sw	$0,%lo(num_elementary_packets101)($19)
	sw	$0,%lo(num_elementary_packets1B6)($23)
	sw	$0,%lo(num_elementary_packets12x)($fp)
	sw	$0,%lo(num_h264_idr)($3)
	sw	$0,%lo(num_h264_sps)($21)
	sw	$0,%lo(num_h264_pps)($2)
	sw	$0,%lo(num_mp3audio_packets)($17)
	jal	ds_fill_buffer
	move	$22,$6

	beq	$2,$0,$L665
	lui	$4,%hi(num_h264_slice)

	li	$4,1			# 0x1
	jal	uc_calloc
	li	$5,1300			# 0x514

	beq	$2,$0,$L728
	move	$16,$2

	lui	$2,%hi($LC10)
	lw	$17,%lo($LC10)($2)
	lw	$3,48($20)
	sw	$16,2248($20)
	sw	$17,0($16)
	beq	$3,$0,$L728
	sw	$17,4($16)

	lw	$6,16($20)
	lw	$2,24($6)
	sltu	$2,$2,2
	bne	$2,$0,$L734
	nop

$L667:
	li	$16,2			# 0x2
$L708:
	lw	$3,44($6)
	lw	$4,72($sp)
	slt	$2,$4,$3
	beq	$2,$0,$L721
	nop

$L736:
	lw	$2,40($6)
	subu	$2,$3,$2
	subu	$2,$4,$2
	bltz	$2,$L721
	nop

	sw	$2,36($6)
$L724:
	move	$2,$16
	lw	$31,116($sp)
	lw	$fp,112($sp)
	lw	$23,108($sp)
	lw	$22,104($sp)
	lw	$21,100($sp)
	lw	$20,96($sp)
	lw	$19,92($sp)
	lw	$18,88($sp)
	lw	$17,84($sp)
	lw	$16,80($sp)
	j	$31
	addiu	$sp,$sp,120

$L665:
	lui	$6,%hi(num_h264_dpa)
	lw	$9,%lo(num_h264_slice)($4)
	lw	$10,%lo(num_h264_dpa)($6)
	lui	$4,%hi(num_h264_dpb)
	lui	$6,%hi(num_h264_idr)
	lw	$2,%lo(num_elementary_packets101)($19)
	lw	$11,%lo(num_h264_dpb)($4)
	lw	$12,%lo(num_h264_idr)($6)