demux_film.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 4,067 行 · 第 1/4 页

	.set	nomacro
	bne	$2,$0,$L168
	andi	$2,$5,0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L168
	li	$2,-32			# 0xffffffffffffffe0
	.set	macro
	.set	reorder

	addiu	$4,$4,-4
	and	$2,$22,$2
	addu	$6,$4,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L172
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L261:
#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,$0,$L261
$L172:
	andi	$2,$22,0x1c
	addu	$6,$6,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L319
	andi	$3,$22,0x3
	.set	macro
	.set	reorder

$L262:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$6
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L262
	andi	$3,$22,0x3
	.set	macro
	.set	reorder

$L319:
	li	$2,2			# 0x2
$L329:
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L178
	li	$2,3			# 0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L179
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L315
	.set	noreorder
	.set	nomacro
	j	$L145
	move	$sp,$16
	.set	macro
	.set	reorder

$L315:
	lbu	$2,4($5)
	sb	$2,4($4)
	.set	noreorder
	.set	nomacro
	j	$L145
	move	$sp,$16
	.set	macro
	.set	reorder

$L311:
	.set	noreorder
	.set	nomacro
	blez	$22,$L141
	move	$4,$0
	.set	macro
	.set	reorder

$L143:
	lw	$3,36($20)
	addu	$3,$4,$3
	lbu	$2,0($3)
	addiu	$4,$4,1
	addiu	$2,$2,-128
	.set	noreorder
	.set	nomacro
	bne	$4,$22,$L143
	sb	$2,0($3)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L141
	lw	$5,156($21)
	.set	macro
	.set	reorder

$L301:
	lbu	$2,4($5)
	.set	noreorder
	.set	nomacro
	j	$L133
	sb	$2,4($4)
	.set	macro
	.set	reorder

$L295:
	bne	$19,$0,$L99
	j	$L197
$L168:
	.set	noreorder
	.set	nomacro
	jal	memcpy
	move	$6,$22
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L145
	move	$sp,$16
	.set	macro
	.set	reorder

$L299:
	lw	$17,16($23)
	move	$19,$0
	.set	noreorder
	.set	nomacro
	j	$L251
	sw	$0,0($20)
	.set	macro
	.set	reorder

$L313:
	addiu	$3,$22,14
	srl	$3,$3,3
	sll	$3,$3,3
	addu	$2,$2,$22
	move	$16,$sp
	sra	$9,$2,1
	subu	$sp,$sp,$3
	lw	$4,36($20)
	.set	noreorder
	.set	nomacro
	blez	$9,$L149
	addiu	$5,$sp,32
	.set	macro
	.set	reorder

	addu	$7,$9,$4
	move	$6,$5
	move	$8,$0
$L151:
	addu	$2,$4,$8
	lbu	$3,0($2)
	addiu	$8,$8,1
	sb	$3,0($6)
	lbu	$2,0($7)
	addiu	$7,$7,1
	sb	$2,1($6)
	.set	noreorder
	.set	nomacro
	bne	$9,$8,$L151
	addiu	$6,$6,2
	.set	macro
	.set	reorder

$L149:
	sltu	$2,$22,32
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L168
	andi	$2,$4,0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L168
	andi	$2,$5,0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L168
	li	$2,-32			# 0xffffffffffffffe0
	.set	macro
	.set	reorder

	addiu	$4,$4,-4
	and	$2,$22,$2
	addu	$6,$4,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L156
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L259:
#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,$0,$L259
$L156:
	andi	$2,$22,0x1c
	addu	$6,$6,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L319
	andi	$3,$22,0x3
	.set	macro
	.set	reorder

$L260:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$6
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L260
	andi	$3,$22,0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L329
	li	$2,2			# 0x2
	.set	macro
	.set	reorder

$L314:
	.set	noreorder
	.set	nomacro
	j	$L164
	addiu	$2,$22,3
	.set	macro
	.set	reorder

$L179:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	sb	$3,5($4)
	lbu	$2,6($5)
	sb	$2,6($4)
	.set	noreorder
	.set	nomacro
	j	$L145
	move	$sp,$16
	.set	macro
	.set	reorder

$L178:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	sb	$3,5($4)
	.set	noreorder
	.set	nomacro
	j	$L145
	move	$sp,$16
	.set	macro
	.set	reorder

	.end	demux_film_fill_buffer
	.section	.rodata.str1.4
	.align	2
$LC4:
	.ascii	"Not a FILM file\012\000"
	.align	2
$LC5:
	.ascii	"FILM version %.4s\012\000"
	.align	2
$LC6:
	.ascii	"parsing FDSC chunk\012\000"
	.align	2
$LC7:
	.ascii	"  FILM video: %d x %d\012\000"
	.align	2
$LC8:
	.ascii	"chunk size = 0x%X \012\000"
	.align	2
$LC9:
	.ascii	"  FILM audio: %d channels, %d bits, %d Hz\012\000"
	.align	2
$LC10:
	.ascii	"parsing STAB chunk\012\000"
	.globl	__divsf3
	.align	2
$LC12:
	.ascii	"  STAB chunk contains %d chunks\012\000"
	.globl	__gesf2
	.align	2
$LC13:
	.ascii	"Unrecognized FILM header chunk: %08X\012\000"
	.section	.rodata.cst4,"aM",@progbits,4
	.align	2
$LC11:
	.word	1065353216
	.section	.text.demux_open_film,"ax",@progbits
	.align	2
	.align	5
	.ent	demux_open_film
	.type	demux_open_film, @function
demux_open_film:
	.frame	$sp,96,$31		# vars= 32, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-96
	sw	$18,64($sp)
	move	$18,$4
	li	$4,20			# 0x14
	sw	$31,92($sp)
	sw	$22,80($sp)
	sw	$16,56($sp)
	sw	$fp,88($sp)
	sw	$23,84($sp)
	sw	$21,76($sp)
	sw	$20,72($sp)
	sw	$19,68($sp)
	jal	uc_malloc
	sw	$17,60($sp)

	lw	$4,16($18)
	sw	$0,0($2)
	sw	$0,4($2)
	sw	$0,8($2)
	sw	$0,12($2)
	jal	stream_reset
	move	$22,$2

	lw	$16,16($18)
	lw	$3,44($16)
	blez	$3,$L571
	move	$4,$16

	lw	$2,40($16)
	subu	$2,$2,$3
	bltz	$2,$L331
	nop

	sw	$2,36($16)
	move	$3,$2
$L334:
	lw	$6,40($16)
	sltu	$2,$3,$6
	beq	$2,$0,$L335
	addiu	$5,$3,1

	lw	$2,80($16)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$5,36($16)
	move	$20,$3
$L337:
	sltu	$2,$5,$6
	beq	$2,$0,$L340
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$19,$3,8
	sw	$5,36($16)
$L342:
	sltu	$2,$5,$6
	beq	$2,$0,$L345
	nop

$L552:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$17,$3,16
	sw	$5,36($16)
$L347:
	sltu	$2,$5,$6
	beq	$2,$0,$L350
	nop

$L554:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$3,$3,24
	sw	$5,36($16)
$L352:
	or	$4,$19,$17
	or	$3,$3,$20
	li	$2,1296826368			# 0x4d4c0000
	or	$4,$4,$3
	ori	$2,$2,0x4946
	bne	$4,$2,$L572
	lui	$6,%hi($LC4)

$L355:
	jal	stream_read_dword
	lw	$4,16($18)

	lw	$16,16($18)
	move	$21,$2
	lw	$3,36($16)
	lw	$4,40($16)
	sltu	$2,$3,$4
	beq	$2,$0,$L358
	addiu	$5,$3,1

	lw	$2,80($16)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$5,36($16)
	move	$20,$3
$L360:
	sltu	$2,$5,$4
	beq	$2,$0,$L363
	nop

$L560:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$19,$3,8
	sw	$5,36($16)
$L365:
	sltu	$2,$5,$4
	beq	$2,$0,$L368
	nop

$L562:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$17,$3,16
	sw	$5,36($16)
$L370:
	sltu	$2,$5,$4
	beq	$2,$0,$L373
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$2,$3,24
	sw	$5,36($16)
$L375:
	or	$3,$20,$2
	or	$2,$19,$17
	or	$2,$2,$3
	lw	$4,16($18)
	sw	$2,16($22)
	sw	$21,8($18)
	lw	$2,52($4)
	lui	$6,%hi($LC5)
	addiu	$6,$6,%lo($LC5)
	li	$5,3			# 0x3
	sw	$2,12($18)
	li	$4,7			# 0x7
	jal	mp_msg
	addiu	$7,$22,16

	lw	$16,16($18)
	addiu	$21,$21,-16
	lw	$6,40($16)
	lw	$5,36($16)
	li	$17,4			# 0x4
	j	$L378
	sw	$21,24($sp)

$L381:
	slt	$2,$17,$3
	movn	$3,$17,$2
	addu	$4,$5,$3
	subu	$17,$17,$3
	move	$5,$4
	blez	$17,$L382
	sw	$4,36($16)

$L378:
	subu	$2,$6,$5
	move	$4,$16
	bne	$2,$0,$L381
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L573
	lw	$2,24($sp)

	lw	$5,36($16)
	lw	$6,40($16)
	subu	$3,$6,$5
	slt	$2,$17,$3
	movn	$3,$17,$2
	addu	$4,$5,$3
	subu	$17,$17,$3
	move	$5,$4
	bgtz	$17,$L378
	sw	$4,36($16)

$L382:
	lw	$2,24($sp)
$L573:
	blez	$2,$L384
	nop

	sw	$0,44($sp)
	sw	$0,40($sp)
	sw	$0,28($sp)
$L386:
	lw	$16,16($18)
	lw	$3,36($16)
	lw	$4,40($16)
	sltu	$2,$3,$4
	beq	$2,$0,$L387
	addiu	$5,$3,1

	lw	$2,80($16)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$5,36($16)
	move	$20,$3
$L389:
	sltu	$2,$5,$4
	beq	$2,$0,$L392
	nop

$L544:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$19,$3,8
	sw	$5,36($16)
$L394:
	sltu	$2,$5,$4
	beq	$2,$0,$L397
	nop

$L545:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$17,$3,16
	sw	$5,36($16)
$L399:
	sltu	$2,$5,$4
	beq	$2,$0,$L402
	nop

$L546:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$2,$3,24
	sw	$5,36($16)
$L404:
	lw	$4,16($18)
	or	$3,$20,$2
	or	$2,$19,$17
	jal	stream_read_dword
	or	$16,$2,$3

	lw	$3,24($sp)
	sw	$2,36($sp)
	subu	$3,$3,$2
	li	$2,1111556096			# 0x42410000
	ori	$2,$2,0x5453
	beq	$16,$2,$L408
	sw	$3,24($sp)

$L547:
	li	$2,1129512960			# 0x43530000
	ori	$2,$2,0x4446
	beq	$16,$2,$L543
	lui	$6,%hi($LC13)

	addiu	$6,$6,%lo($LC13)
	move	$7,$16
	li	$4,7			# 0x7
	jal	mp_msg
	li	$5,1			# 0x1

	move	$18,$0
$L357:
	move	$2,$18
	lw	$31,92($sp)
	lw	$fp,88($sp)
	lw	$23,84($sp)
	lw	$22,80($sp)
	lw	$21,76($sp)
	lw	$20,72($sp)
	lw	$19,68($sp)
	lw	$18,64($sp)
	lw	$17,60($sp)
	lw	$16,56($sp)
	j	$31
	addiu	$sp,$sp,96

$L387:
	jal	stream_fill_buffer
	move	$4,$16

	bne	$2,$0,$L390
	nop

	lw	$5,36($16)
	lw	$4,40($16)
	sltu	$2,$5,$4
	bne	$2,$0,$L544
	li	$20,-256			# 0xffffffffffffff00

$L392:
	jal	stream_fill_buffer
	move	$4,$16

	bne	$2,$0,$L395
	nop

	lw	$5,36($16)
	lw	$4,40($16)
	sltu	$2,$5,$4
	bne	$2,$0,$L545
	li	$19,-65536			# 0xffffffffffff0000

$L397:
	jal	stream_fill_buffer
	move	$4,$16

	bne	$2,$0,$L400
	nop

	lw	$5,36($16)
	lw	$4,40($16)
	sltu	$2,$5,$4
	bne	$2,$0,$L546
	li	$17,-16777216			# 0xffffffffff000000

$L402:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L404
	nop

	lw	$3,36($16)
	lw	$2,80($16)
	addiu	$5,$3,1
	addu	$2,$2,$3
	lbu	$4,0($2)
	sw	$5,36($16)
	sll	$2,$4,24
	lw	$4,16($18)
	or	$3,$20,$2
	or	$2,$19,$17
	jal	stream_read_dword
	or	$16,$2,$3

	lw	$3,24($sp)
	sw	$2,36($sp)
	subu	$3,$3,$2
	li	$2,1111556096			# 0x42410000
	ori	$2,$2,0x5453
	bne	$16,$2,$L547
	sw	$3,24($sp)

$L408:
	lui	$6,%hi($LC10)
	addiu	$6,$6,%lo($LC10)
	li	$4,13			# 0xd
	jal	mp_msg
	li	$5,6			# 0x6

	lw	$2,44($sp)
	beq	$2,$0,$L501
	nop

	jal	stream_read_dword
	lw	$4,16($18)

	bltz	$2,$L504
	move	$4,$2

	jal	__floatsisf
	nop

	move	$5,$2
$L503:
	lui	$2,%hi($LC11)
	lw	$3,44($sp)
	lw	$4,%lo($LC11)($2)
	jal	__divsf3
	sw	$5,236($3)

	lw	$4,44($sp)
	sw	$2,240($4)
$L501:
	jal	stream_read_dword
	lw	$4,16($18)

	lui	$6,%hi($LC12)
	sw	$2,0($22)
	move	$7,$2
	addiu	$6,$6,%lo($LC12)
	li	$4,13			# 0xd
	li	$5,6			# 0x6
	jal	mp_msg
	sw	$0,4($22)

	lw	$4,0($22)
	jal	uc_calloc
	li	$5,20			# 0x14

	lw	$4,0($22)
	move	$5,$2
	beq	$4,$0,$L505
	sw	$2,8($22)

	li	$2,1			# 0x1
	move	$20,$0
	move	$19,$0
	j	$L507
	sw	$2,32($sp)

$L549:
	li	$2,-1			# 0xffffffffffffffff
	beq	$17,$2,$L548
	li	$2,2147418112			# 0x7fff0000

	ori	$2,$2,0xffff
	and	$4,$17,$2
	bltz	$4,$L514
	srl	$2,$4,1

	jal	__floatsisf
	nop

	move	$16,$2
$L513:
	lw	$2,44($sp)
	move	$4,$16
	jal	__gesf2
	lw	$5,236($2)

	bgez	$2,$L515
	nop

	lw	$2,12($22)
	addiu	$2,$2,1
	sw	$2,12($22)
$L517:
	lw	$2,44($sp)
	move	$4,$16
	lw	$5,236($2)
	jal	__divsf3
	addiu	$20,$20,1

	lw	$3,48($sp)
	lw	$5,8($22)
	move	$16,$2
	addu	$2,$3,$fp
	addu	$3,$19,$5
	sw	$2,0($3)
	sw	$23,12($3)
	sw	$17,8($3)
	sw	$21,4($3)
	lw	$4,0($22)
	sw	$16,16($3)
	sltu	$2,$20,$4
	beq	$2,$0,$L505
	addiu	$19,$19,20

$L507:
	lw	$3,8($18)
	lw	$4,16($18)
	addu	$2,$19,$5
	sw	$3,48($sp)
	jal	stream_read_dword
	lw	$16,16($2)

	lw	$4,16($18)
	jal	stream_read_dword
	move	$fp,$2

	lw	$4,16($18)
	jal	stream_read_dword
	move	$21,$2

	lw	$4,16($18)
	jal	stream_read_dword
	move	$17,$2

	lw	$4,32($sp)
	bne	$4,$0,$L549
	move	$23,$2

	li	$2,-1			# 0xffffffffffffffff
	beq	$17,$2,$L512
	li	$2,2147418112			# 0x7fff0000

	ori	$2,$2,0xffff
	and	$4,$17,$2
	bltz	$4,$L527
	srl	$2,$4,1

	jal	__floatsisf
	nop

	j	$L517
	move	$16,$2

$L548:
	lw	$2,12($22)
	addiu	$2,$2,1
	sw	$2,12($22)
$L512:
	lw	$3,52($18)
	lw	$2,68($3)
	slt	$2,$2,-1
	bne	$2,$0,$L519
	lw	$3,28($sp)

	bltz	$3,$L522
	andi	$2,$3,0x1

	jal	__floatsisf
	move	$4,$3

	move	$16,$2
$L521:
	lw	$3,40($sp)
	lw	$2,156($3)
	lwl	$4,11($2)
	lwr	$4,8($2)
	bltz	$4,$L524
	srl	$2,$4,1

	jal	__floatsisf
	nop

	move	$4,$16
$L569:
	jal	__divsf3
	move	$5,$2

	move	$16,$2
$L519:
	lw	$3,48($sp)
	lw	$5,8($22)
	lw	$4,28($sp)
	addu	$2,$3,$fp
	addu	$3,$19,$5
	addu	$4,$4,$21
	sw	$2,0($3)
	sw	$23,12($3)
	sw	$17,8($3)
	sw	$21,4($3)
	sw	$4,28($sp)
	lw	$4,0($22)
	addiu	$20,$20,1
	sltu	$2,$20,$4
	sw	$16,16($3)
	bne	$2,$0,$L507
	addiu	$19,$19,20

$L505:
	sll	$2,$4,4
	lw	$4,36($sp)
	beq	$4,$2,$L550
	lw	$2,24($sp)

$L443:
	lw	$3,24($sp)
$L568:
	bgtz	$3,$L386
	nop

$L384:
	j	$L357
	sw	$22,2248($18)

$L515:
	j	$L517
	sw	$0,32($sp)

$L340:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L551
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$6,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	sltu	$2,$5,$6
	sw	$5,36($16)
	bne	$2,$0,$L552
	sll	$19,$3,8

$L345:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L553
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$6,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	sltu	$2,$5,$6
	sw	$5,36($16)
	bne	$2,$0,$L554
	sll	$17,$3,16

$L350:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L352
	move	$3,$0

	lw	$3,36($16)
	lw	$2,80($16)
	addiu	$5,$3,1
	addu	$2,$2,$3
	lbu	$4,0($2)
	li	$2,1296826368			# 0x4d4c0000
	sll	$3,$4,24
	or	$3,$3,$20
	or	$4,$19,$17
	or	$4,$4,$3
	ori	$2,$2,0x4946
	beq	$4,$2,$L355
	sw	$5,36($16)

	lui	$6,%hi($LC4)
$L572:
	addiu	$6,$6,%lo($LC4)
	li	$5,1			# 0x1
	jal	mp_msg