demux_ogg.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 4,749 行 · 第 1/5 页

	addiu	$4,$4,24
	.set	macro
	.set	reorder

	lw	$5,44($20)
	addiu	$17,$17,1
	addu	$2,$16,$5
	sw	$0,384($2)
	sw	$0,16($2)
	lw	$3,48($20)
	move	$6,$0
	move	$7,$0
	slt	$3,$17,$3
	sw	$6,8($2)
	sw	$7,12($2)
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L356
	addiu	$16,$16,456
	.set	macro
	.set	reorder

$L411:
	move	$4,$20
	.set	noreorder
	.set	nomacro
	jal	ogg_sync_pageout
	move	$5,$23
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bgtz	$2,$L357
	li	$5,4096			# 0x1000
	.set	macro
	.set	reorder

$L450:
	.set	noreorder
	.set	nomacro
	jal	ogg_sync_buffer
	move	$4,$20
	.set	macro
	.set	reorder

	lw	$5,36($18)
	lw	$3,40($18)
	move	$17,$2
	subu	$2,$3,$5
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L360
	li	$19,4096			# 0x1000
	.set	macro
	.set	reorder

$L433:
	move	$16,$2
	sltu	$2,$3,$5
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L447
	lui	$6,%hi($LC15)
	.set	macro
	.set	reorder

$L367:
	slt	$2,$19,$16
	movn	$16,$19,$2
	lw	$3,80($18)
	sltu	$2,$16,32
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L369
	addu	$5,$3,$5
	.set	macro
	.set	reorder

$L435:
	andi	$2,$17,0x3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L448
	move	$4,$17
	.set	macro
	.set	reorder

	andi	$2,$5,0x3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L448
	li	$2,-32			# 0xffffffffffffffe0
	.set	macro
	.set	reorder

	addiu	$4,$17,-4
	and	$2,$16,$2
	addu	$6,$4,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L373
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L401:
#APP
	S32LDI xr1,$5,4
	S32LDI xr2,$5,4
	S32LDI xr3,$5,4
	S32LDI xr4,$5,4
	S32LDI xr5,$5,4
	S32LDI xr6,$5,4
	S32LDI xr7,$5,4
	S32LDI xr8,$5,4
	S32SDI xr1,$4,4
	S32SDI xr2,$4,4
	S32SDI xr3,$4,4
	S32SDI xr4,$4,4
	S32SDI xr5,$4,4
	S32SDI xr6,$4,4
	S32SDI xr7,$4,4
	S32SDI xr8,$4,4
#NO_APP
	sltu	$2,$4,$6
	bne	$2,$0,$L401
$L373:
	andi	$2,$16,0x1c
	addu	$6,$6,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L449
	andi	$3,$16,0x3
	.set	macro
	.set	reorder

$L402:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$6
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L402
	andi	$3,$16,0x3
	.set	macro
	.set	reorder

$L449:
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L379
	li	$2,3			# 0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L380
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L432
$L377:
	lw	$5,36($18)
	subu	$19,$19,$16
	addu	$2,$5,$16
	move	$5,$2
	.set	noreorder
	.set	nomacro
	blez	$19,$L381
	sw	$2,36($18)
	.set	macro
	.set	reorder

$L436:
	lw	$3,40($18)
	subu	$2,$3,$5
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L433
	addu	$17,$17,$16
	.set	macro
	.set	reorder

$L360:
	.set	noreorder
	.set	nomacro
	jal	stream_fill_buffer
	move	$4,$18
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L434
	li	$2,4096			# 0x1000
	.set	macro
	.set	reorder

	lw	$3,40($18)
	lw	$5,36($18)
	sltu	$2,$3,$5
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L367
	subu	$16,$3,$5
	.set	macro
	.set	reorder

	lui	$6,%hi($LC15)
$L447:
	li	$5,2			# 0x2
	addiu	$6,$6,%lo($LC15)
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	li	$4,7			# 0x7
	.set	macro
	.set	reorder

	slt	$2,$19,$16
	lw	$5,36($18)
	movn	$16,$19,$2
	lw	$3,80($18)
	sltu	$2,$16,32
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L435
	addu	$5,$3,$5
	.set	macro
	.set	reorder

$L369:
	move	$4,$17
$L448:
	.set	noreorder
	.set	nomacro
	jal	memcpy
	move	$6,$16
	.set	macro
	.set	reorder

	lw	$5,36($18)
	subu	$19,$19,$16
	addu	$2,$5,$16
	move	$5,$2
	.set	noreorder
	.set	nomacro
	bgtz	$19,$L436
	sw	$2,36($18)
	.set	macro
	.set	reorder

$L381:
	li	$5,4096			# 0x1000
$L366:
	.set	noreorder
	.set	nomacro
	jal	ogg_sync_wrote
	move	$4,$20
	.set	macro
	.set	reorder

	move	$4,$20
	.set	noreorder
	.set	nomacro
	jal	ogg_sync_pageout
	move	$5,$23
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	blez	$2,$L450
	li	$5,4096			# 0x1000
	.set	macro
	.set	reorder

$L357:
	.set	noreorder
	.set	nomacro
	jal	ogg_page_serialno
	move	$4,$23
	.set	macro
	.set	reorder

	lw	$6,48($20)
	.set	noreorder
	.set	nomacro
	blez	$6,$L384
	move	$16,$2
	.set	macro
	.set	reorder

	lw	$5,44($20)
	lw	$2,360($5)
	.set	noreorder
	.set	nomacro
	beq	$16,$2,$L386
	move	$3,$5
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L388
	move	$4,$0
	.set	macro
	.set	reorder

$L389:
	lw	$2,816($3)
	.set	noreorder
	.set	nomacro
	beq	$16,$2,$L390
	addiu	$3,$3,456
	.set	macro
	.set	reorder

$L388:
	addiu	$4,$4,1
	bne	$4,$6,$L389
$L391:
	li	$2,1			# 0x1
	beq	$6,$2,$L438
$L393:
	lw	$4,76($sp)
	.set	noreorder
	.set	nomacro
	jal	ogg_stream_pagein
	move	$5,$23
	.set	macro
	.set	reorder

	lw	$31,116($sp)
$L440:
	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)
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,120
	.set	macro
	.set	reorder

$L420:
	lbu	$2,4($5)
	.set	noreorder
	.set	nomacro
	j	$L311
	sb	$2,4($4)
	.set	macro
	.set	reorder

$L335:
	.set	noreorder
	.set	nomacro
	jal	uc_realloc
	sll	$5,$5,4
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L337
	move	$19,$2
	.set	macro
	.set	reorder

$L379:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	.set	noreorder
	.set	nomacro
	j	$L377
	sb	$3,5($4)
	.set	macro
	.set	reorder

$L380:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	sb	$3,5($4)
	lbu	$2,6($5)
	.set	noreorder
	.set	nomacro
	j	$L377
	sb	$2,6($4)
	.set	macro
	.set	reorder

$L428:
	.set	noreorder
	.set	nomacro
	bne	$21,$2,$L451
	lui	$3,%hi(index_mode)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	ogg_page_continued
	move	$4,$23
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L451
	lui	$3,%hi(index_mode)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L451
	sw	$22,64($sp)
	.set	macro
	.set	reorder

$L432:
	lbu	$2,4($5)
	.set	noreorder
	.set	nomacro
	j	$L377
	sb	$2,4($4)
	.set	macro
	.set	reorder

$L434:
	subu	$5,$2,$19
	bne	$5,$0,$L366
	lw	$2,56($18)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L366
	lui	$6,%hi($LC21)
	.set	macro
	.set	reorder

	addiu	$6,$6,%lo($LC21)
	li	$4,7			# 0x7
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	li	$5,1			# 0x1
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L440
	lw	$31,116($sp)
	.set	macro
	.set	reorder

$L320:
	lui	$6,%hi($LC16)
	addiu	$6,$6,%lo($LC16)
	li	$4,7			# 0x7
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	li	$5,1			# 0x1
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L415
	addu	$22,$22,$16
	.set	macro
	.set	reorder

$L350:
	.set	noreorder
	.set	nomacro
	jal	stream_seek_long
	move	$4,$18
	.set	macro
	.set	reorder

	j	$L353
$L384:
	.set	noreorder
	.set	nomacro
	beq	$6,$0,$L391
	move	$4,$0
	.set	macro
	.set	reorder

	lw	$5,44($20)
$L390:
	sll	$3,$4,3
	sll	$2,$4,6
	subu	$2,$2,$3
	addu	$2,$2,$4
	sll	$2,$2,3
$L392:
	addu	$2,$2,$5
	addiu	$2,$2,24
	.set	noreorder
	.set	nomacro
	j	$L393
	sw	$2,76($sp)
	.set	macro
	.set	reorder

$L275:
$L442:
	.set	noreorder
	.set	nomacro
	jal	stream_seek_long
	move	$4,$18
	.set	macro
	.set	reorder

	j	$L274
$L438:
	lw	$4,44($20)
	lw	$2,388($4)
	beq	$2,$0,$L393
	.set	noreorder
	.set	nomacro
	jal	ogg_stream_reset
	addiu	$4,$4,24
	.set	macro
	.set	reorder

	lw	$4,44($20)
	move	$5,$16
	.set	noreorder
	.set	nomacro
	jal	ogg_stream_init
	addiu	$4,$4,24
	.set	macro
	.set	reorder

	lw	$5,44($20)
	.set	noreorder
	.set	nomacro
	j	$L392
	move	$2,$0
	.set	macro
	.set	reorder

$L417:
	lw	$6,344($6)
	sw	$6,68($sp)
	.set	noreorder
	.set	nomacro
	j	$L282
	sw	$2,72($sp)
	.set	macro
	.set	reorder

$L278:
	lw	$2,52($3)
	lw	$4,68($2)
	.set	noreorder
	.set	nomacro
	bltz	$4,$L440
	lw	$31,116($sp)
	.set	macro
	.set	reorder

	lw	$6,92($2)
	li	$2,1935802368			# 0x73620000
	lw	$3,12($6)
	ori	$2,$2,0x7276
	.set	noreorder
	.set	nomacro
	bne	$3,$2,$L452
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	lw	$7,32($6)
	lw	$6,160($6)
	sw	$7,72($sp)
	.set	noreorder
	.set	nomacro
	j	$L282
	sw	$6,68($sp)
	.set	macro
	.set	reorder

$L416:
	lw	$3,44($18)
	slt	$2,$4,$3
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L453
	lw	$5,64($sp)
	.set	macro
	.set	reorder

	lw	$2,40($18)
	subu	$2,$3,$2
	subu	$2,$4,$2
	bgez	$2,$L413
$L453:
	.set	noreorder
	.set	nomacro
	jal	stream_seek_long
	move	$4,$18
	.set	macro
	.set	reorder

	j	$L274
$L430:
	addiu	$6,$6,%lo($LC18)
	li	$4,7			# 0x7
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	li	$5,4			# 0x4
	.set	macro
	.set	reorder

	lui	$2,%hi(index_mode)
	lw	$3,%lo(index_mode)($2)
	.set	noreorder
	.set	nomacro
	bne	$3,$16,$L347
	lui	$6,%hi($LC19)
	.set	macro
	.set	reorder

	lw	$7,56($20)
	addiu	$6,$6,%lo($LC19)
	li	$4,7			# 0x7
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	li	$5,6			# 0x6
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L441
	lw	$2,72($20)
	.set	macro
	.set	reorder

$L386:
	.set	noreorder
	.set	nomacro
	j	$L390
	move	$4,$0
	.set	macro
	.set	reorder

	.end	demux_ogg_scan_stream
	.section	.rodata.str1.4
	.align	2
$LC22:
	.ascii	"AVI Ogg : Initial audio header is too small !!!!!\012\000"
	.align	2
$LC23:
	.ascii	"AVI Ogg : Audio header is too small !!!!!\012\000"
	.align	2
$LC24:
	.ascii	"AVI Ogg error : Can't init using first stream packets\012"
	.ascii	"\000"
	.align	2
$LC25:
	.ascii	"AVI Ogg found page with serial %d\012\000"
	.section	.rodata.cst8
	.align	3
$LC26:
	.word	0
	.word	-1008730112
	.section	.text.init_avi_with_ogg,"ax",@progbits
	.align	2
	.align	5
	.globl	init_avi_with_ogg
	.ent	init_avi_with_ogg
	.type	init_avi_with_ogg, @function
init_avi_with_ogg:
	.frame	$sp,80,$31		# vars= 16, regs= 9/0, args= 24, gp= 0
	.mask	0x80ff0000,-8
	.fmask	0x00000000,0
	addiu	$sp,$sp,-80
	sw	$19,52($sp)
	sw	$31,72($sp)
	sw	$23,68($sp)
	sw	$22,64($sp)
	sw	$21,60($sp)
	sw	$20,56($sp)
	sw	$18,48($sp)
	sw	$17,44($sp)
	sw	$16,40($sp)
	lw	$2,52($4)
	sw	$0,24($sp)
	lw	$20,92($2)
	lw	$5,156($20)
	lbu	$2,17($5)
	lbu	$3,16($5)
	sll	$2,$2,8
	or	$2,$2,$3
	sltu	$2,$2,34
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L456
	move	$19,$4
	.set	macro
	.set	reorder

	lui	$6,%hi($LC22)
	addiu	$6,$6,%lo($LC22)
	li	$4,7			# 0x7
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	li	$5,1			# 0x1
	.set	macro
	.set	reorder

$L458:
	lw	$3,52($19)
$L557:
	li	$2,-2			# 0xfffffffffffffffe
	sw	$2,68($3)
	lw	$31,72($sp)
	move	$2,$19
	lw	$23,68($sp)
	lw	$22,64($sp)
	lw	$21,60($sp)
	lw	$20,56($sp)
	lw	$19,52($sp)
	lw	$18,48($sp)
	lw	$17,44($sp)
	lw	$16,40($sp)
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,80
	.set	macro
	.set	reorder

$L456:
	addiu	$5,$5,40
	addiu	$4,$sp,28
	.set	noreorder
	.set	nomacro
	jal	memcpy
	li	$6,12			# 0xc
	.set	macro
	.set	reorder

	lw	$6,156($20)
	lw	$4,32($sp)
	lw	$2,28($sp)
	lbu	$3,17($6)
	addu	$2,$2,$4
	lbu	$5,16($6)
	lw	$4,36($sp)
	sll	$3,$3,8
	addiu	$2,$2,34
	or	$3,$3,$5
	addu	$2,$2,$4
	sltu	$3,$3,$2
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L551
	lui	$6,%hi($LC23)
	.set	macro
	.set	reorder

	li	$5,96			# 0x60
	.set	noreorder
	.set	nomacro
	jal	uc_calloc
	li	$4,1			# 0x1
	.set	macro
	.set	reorder

	li	$16,1			# 0x1
	li	$4,456			# 0x1c8
	sw	$16,48($2)
	.set	noreorder
	.set	nomacro
	jal	uc_malloc
	move	$18,$2
	.set	macro
	.set	reorder

	sw	$16,388($2)
	move	$4,$18
	sw	$2,44($18)
	.set	noreorder
	.set	nomacro
	jal	ogg_sync_init
	addiu	$17,$18,28
	.set	macro
	.set	reorder

	move	$4,$18
	.set	noreorder
	.set	nomacro
	jal	ogg_sync_pageout
	move	$5,$17
	.set	macro
	.set	reorder

	bgtz	$2,$L552
$L462:
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L534
	lui	$6,%hi($LC24)
	.set	macro
	.set	reorder

	lw	$4,52($19)
	.set	noreorder
	.set	nomacro
	jal	ds_get_packet
	addiu	$5,$sp,24
	.set	macro
	.set	reorder

	move	$5,$2
	move	$4,$18
	.set	noreorder
	.set	nomacro
	jal	ogg_sync_buffer
	move	$16,$2
	.set	macro
	.set	reorder

	move	$4,$2
	sltu	$2,$16,32
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L465
	lw	$5,24($sp)
	.set	macro
	.set	reorder

	andi	$2,$4,0x3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L465
	andi	$2,$5,0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L465
	li	$2,-32			# 0xffffffffffffffe0
	.set	macro
	.set	reorder

	addiu	$4,$4,-4
	and	$2,$16,$2
	addu	$6,$4,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L469
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L541:
#APP
	S32LDI xr1,$5,4
	S32LDI xr2,$5,4
	S32LDI xr3,$5,4
	S32LDI xr4,$5,4
	S32LDI xr5,$5,4
	S32LDI xr6,$5,4
	S32LDI xr7,$5,4
	S32LDI xr8,$5,4
	S32SDI xr1,$4,4
	S32SDI xr2,$4,4
	S32SDI xr3,$4,4
	S32SDI xr4,$4,4
	S32SDI xr5,$4,4
	S32SDI xr6,$4,4
	S32SDI xr7,$4,4
	S32SDI xr8,$4,4
#NO_APP
	sltu	$2,$4,$6
	bne	$2,$0,$L541
$L469:
	andi	$2,$16,0x1c
	addu	$6,$6,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L559
	andi	$3,$16,0x3
	.set	macro
	.set	reorder

$L542:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$6
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L542
	andi	$3,$16,0x3
	.set	macro
	.set	reorder

$L559:
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L475
	li	$2,3			# 0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L476
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L553
$L473:
	move	$5,$16
	.set	noreorder
	.set	nomacro