rmdec.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 3,831 行 · 第 1/4 页

	.file	1 "rmdec.c"
	.section .mdebug.abi32
	.previous
	.section	.text.rm_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	rm_probe
	.type	rm_probe, @function
rm_probe:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$4,4($4)
	li	$2,46			# 0x2e
	lbu	$3,0($4)
	beq	$3,$2,$L15
	nop

$L2:
	j	$31
	move	$2,$0

$L15:
	lbu	$3,1($4)
	li	$2,82			# 0x52
	beq	$3,$2,$L16
	li	$2,114			# 0x72

	bne	$3,$2,$L2
	nop

	lbu	$3,2($4)
	li	$2,97			# 0x61
	bne	$3,$2,$L2
	nop

	lbu	$3,3($4)
	li	$2,253			# 0xfd
	bne	$3,$2,$L2
	nop

	j	$31
	li	$2,100			# 0x64

$L16:
	lbu	$3,2($4)
	li	$2,77			# 0x4d
	bne	$3,$2,$L2
	nop

	lbu	$3,3($4)
	li	$2,70			# 0x46
	bne	$3,$2,$L2
	nop

	lbu	$2,4($4)
	bne	$2,$0,$L2
	nop

	lbu	$2,5($4)
	bne	$2,$0,$L2
	nop

	li	$2,100			# 0x64
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	rm_probe
	.section	.text.rm_sync,"ax",@progbits
	.align	2
	.align	5
	.ent	rm_sync
	.type	rm_sync, @function
rm_sync:
	.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$fp,48($sp)
	sw	$23,44($sp)
	sw	$22,40($sp)
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$18,24($sp)
	sw	$31,52($sp)
	sw	$19,28($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lw	$fp,72($sp)
	lw	$19,12($4)
	move	$20,$4
	move	$21,$5
	move	$23,$6
	sw	$7,68($sp)
	addiu	$18,$4,16
	li	$22,-1			# 0xffffffffffffffff
$L47:
	jal	url_feof
	move	$4,$18

	bne	$2,$0,$L51
	li	$17,-1			# 0xffffffffffffffff

$L20:
	jal	url_ftell
	move	$4,$18

	lw	$17,96($19)
	sw	$2,0($fp)
	blez	$17,$L21
	sw	$3,4($fp)

	move	$2,$0
	li	$3,-2147483648			# 0xffffffff80000000
	lw	$16,92($19)
	sw	$2,0($21)
	sw	$3,4($21)
	sw	$0,0($23)
$L23:
	lw	$6,96($20)
	beq	$6,$0,$L53
	move	$4,$18

	lw	$2,100($20)
	lw	$3,4($2)
	beq	$16,$3,$L29
	move	$4,$20

	j	$L31
	move	$5,$0

$L32:
	lw	$3,104($4)
	lw	$2,4($3)
	beq	$16,$2,$L33
	addiu	$4,$4,4

$L31:
	addiu	$5,$5,1
	bne	$5,$6,$L32
	nop

$L33:
	bne	$6,$5,$L52
	lw	$2,68($sp)

$L26:
	move	$4,$18
$L53:
	move	$6,$17
	jal	url_fskip
	sra	$7,$17,31

	lw	$2,96($19)
	move	$4,$18
	subu	$2,$2,$17
	jal	url_feof
	sw	$2,96($19)

	beq	$2,$0,$L20
	li	$17,-1			# 0xffffffffffffffff

$L51:
	move	$2,$17
	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

$L21:
	jal	get_byte
	move	$4,$18

	sll	$3,$22,8
	addu	$22,$3,$2
	li	$2,1229848576			# 0x494e0000
	ori	$2,$2,0x4458
	beq	$22,$2,$L50
	addiu	$17,$22,-12

	li	$2,65523			# 0xfff3
	sltu	$2,$2,$17
	bne	$2,$0,$L47
	nop

	jal	get_be16
	move	$4,$18

	move	$4,$18
	jal	get_be32
	move	$16,$2

	sw	$2,0($21)
	move	$4,$18
	jal	get_byte
	sw	$0,4($21)

	jal	get_byte
	move	$4,$18

	li	$22,-1			# 0xffffffffffffffff
	j	$L23
	sw	$2,0($23)

$L29:
	move	$5,$0
	lw	$2,68($sp)
$L52:
	sw	$5,0($2)
	lw	$31,52($sp)
	move	$2,$17
	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

$L50:
	jal	get_be16
	move	$4,$18

	addiu	$17,$2,-6
	bgez	$17,$L53
	move	$4,$18

	j	$L47
	nop

	.set	macro
	.set	reorder
	.end	rm_sync
	.section	.text.rm_read_dts,"ax",@progbits
	.align	2
	.align	5
	.ent	rm_read_dts
	.type	rm_read_dts, @function
rm_read_dts:
	.frame	$sp,104,$31		# vars= 24, regs= 10/0, args= 40, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-104
	sw	$21,84($sp)
	sw	$20,80($sp)
	sw	$18,72($sp)
	sw	$31,100($sp)
	sw	$fp,96($sp)
	sw	$23,92($sp)
	sw	$22,88($sp)
	sw	$19,76($sp)
	sw	$17,68($sp)
	sw	$16,64($sp)
	lw	$16,12($4)
	move	$20,$6
	lw	$7,4($20)
	lw	$6,0($6)
	lw	$2,88($16)
	move	$18,$4
	move	$21,$5
	sw	$6,48($sp)
	beq	$2,$0,$L55
	sw	$7,52($sp)

$L70:
	move	$4,$0
	li	$5,-2147483648			# 0xffffffff80000000
$L57:
	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)
	move	$2,$4
	move	$3,$5
	j	$31
	addiu	$sp,$sp,104

$L55:
	addiu	$19,$4,16
	move	$4,$19
	sw	$0,16($sp)
	jal	url_fseek
	addiu	$23,$sp,44

	addiu	$fp,$sp,48
	sw	$0,96($16)
	addiu	$22,$sp,40
	move	$4,$18
$L73:
	addiu	$5,$sp,56
	move	$6,$23
	move	$7,$22
	jal	rm_sync
	sw	$fp,16($sp)

	move	$16,$2
	bltz	$2,$L70
	move	$4,$19

	lw	$2,40($sp)
	sll	$2,$2,2
	addu	$2,$2,$18
	lw	$17,100($2)
	lw	$3,8($17)
	lw	$2,224($3)
	beq	$2,$0,$L71
	nop

$L61:
	li	$2,1			# 0x1
	andi	$3,$2,0x7f
$L74:
	lw	$2,44($sp)
	andi	$2,$2,0x2
	beq	$2,$0,$L65
	li	$2,1			# 0x1

	beq	$3,$2,$L72
	move	$4,$17

$L65:
	move	$6,$16
	sra	$7,$16,31
	jal	url_fskip
	move	$4,$19

	j	$L73
	move	$4,$18

$L71:
	jal	get_byte
	addiu	$16,$16,-1

	andi	$2,$2,0x40
	bne	$2,$0,$L61
	move	$4,$19

	jal	get_byte
	addiu	$16,$16,-1

	j	$L74
	andi	$3,$2,0x7f

$L72:
	sw	$3,32($sp)
	lw	$2,56($sp)
	lw	$3,60($sp)
	lw	$6,48($sp)
	lw	$7,52($sp)
	sw	$3,20($sp)
	sw	$0,24($sp)
	sw	$0,28($sp)
	jal	av_add_index_entry
	sw	$2,16($sp)

	lw	$3,40($sp)
	bne	$3,$21,$L65
	lw	$5,60($sp)

	lw	$4,56($sp)
	lw	$2,48($sp)
	lw	$3,52($sp)
	sw	$2,0($20)
	j	$L57
	sw	$3,4($20)

	.set	macro
	.set	reorder
	.end	rm_read_dts
	.section	.text.rm_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	rm_read_close
	.type	rm_read_close, @function
rm_read_close:
	.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
	.mask	0x80000000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	sw	$31,16($sp)
	lw	$2,12($4)
	jal	av_free
	lw	$4,100($2)

	lw	$31,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	rm_read_close
	.section	.text.rm_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	rm_read_packet
	.type	rm_read_packet, @function
rm_read_packet:
	.frame	$sp,128,$31		# vars= 48, regs= 10/0, args= 40, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-128
	sw	$fp,120($sp)
	sw	$22,112($sp)
	sw	$19,100($sp)
	sw	$31,124($sp)
	sw	$23,116($sp)
	sw	$21,108($sp)
	sw	$20,104($sp)
	sw	$18,96($sp)
	sw	$17,92($sp)
	sw	$16,88($sp)
	lw	$17,12($4)
	move	$fp,$4
	lw	$6,132($17)
	move	$22,$5
	.set	noreorder
	.set	nomacro
	beq	$6,$0,$L78
	addiu	$19,$4,16
	.set	macro
	.set	reorder

	lw	$2,128($17)
	sll	$2,$2,2
	addu	$2,$2,$4
	lw	$20,100($2)
	li	$2,65536			# 0x10000
	lw	$4,8($20)
	ori	$2,$2,0x5002
	lw	$3,228($4)
	beq	$3,$2,$L215
	lw	$5,272($4)
	.set	noreorder
	.set	nomacro
	jal	av_new_packet
	move	$4,$22
	.set	macro
	.set	reorder

	lw	$2,136($17)
	lw	$3,120($17)
	lw	$4,8($20)
	mul	$3,$3,$2
	lw	$6,272($4)
	lw	$5,132($17)
	div	$0,$3,$6
	teq	$6,$0,7
	lw	$2,100($17)
	sltu	$4,$6,32
	lw	$7,16($22)
	mflo	$3
	subu	$3,$3,$5
	mul	$8,$6,$3
	.set	noreorder
	.set	nomacro
	bne	$4,$0,$L83
	addu	$5,$8,$2
	.set	macro
	.set	reorder

	andi	$2,$7,0x3
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L216
	andi	$2,$5,0x3
	.set	macro
	.set	reorder

$L83:
	.set	noreorder
	.set	nomacro
	jal	memcpy
	move	$4,$7
	.set	macro
	.set	reorder

$L82:
	lw	$2,132($17)
$L228:
	addiu	$2,$2,-1
	sw	$2,132($17)
	sw	$0,28($22)
	lw	$2,128($17)
	sw	$2,24($22)
$L94:
	lw	$2,8($20)
$L230:
	li	$3,65536			# 0x10000
	lw	$4,228($2)
	ori	$3,$3,0x5004
	beq	$4,$3,$L217
$L184:
	move	$2,$0
$L220:
	lw	$31,124($sp)
	lw	$fp,120($sp)
	lw	$23,116($sp)
	lw	$22,112($sp)
	lw	$21,108($sp)
	lw	$20,104($sp)
	lw	$19,100($sp)
	lw	$18,96($sp)
	lw	$17,92($sp)
	lw	$16,88($sp)
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,128
	.set	macro
	.set	reorder

$L78:
	lw	$2,88($17)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L218
	li	$2,65536			# 0x10000
	.set	macro
	.set	reorder

	lw	$20,100($4)
	lw	$6,8($20)
	ori	$2,$2,0x3001
	lw	$3,228($6)
	bne	$3,$2,$L98
	lw	$3,120($17)
	.set	noreorder
	.set	nomacro
	blez	$3,$L100
	srl	$2,$3,31
	.set	macro
	.set	reorder

	move	$18,$0
$L236:
	addu	$2,$2,$3
	sra	$2,$2,1
	.set	noreorder
	.set	nomacro
	blez	$2,$L107
	move	$16,$0
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L240
	lw	$2,136($17)
	.set	macro
	.set	reorder

$L219:
	lw	$3,120($17)
	srl	$2,$3,31
	addu	$2,$2,$3
	sra	$2,$2,1
	slt	$2,$16,$2
	beq	$2,$0,$L107
	lw	$2,136($17)
$L240:
	lw	$6,124($17)
	sll	$2,$2,1
	mult	$2,$16
	lw	$5,100($17)
	madd	$6,$18
	move	$4,$19
	mflo	$2
	addiu	$16,$16,1
	.set	noreorder
	.set	nomacro
	jal	get_buffer
	addu	$5,$2,$5
	.set	macro
	.set	reorder

	bgtz	$2,$L219
$L105:
	lw	$31,124($sp)
	lw	$fp,120($sp)
	lw	$23,116($sp)
	lw	$22,112($sp)
	lw	$21,108($sp)
	lw	$20,104($sp)
	lw	$19,100($sp)
	lw	$18,96($sp)
	lw	$17,92($sp)
	lw	$16,88($sp)
	li	$2,-5			# 0xfffffffffffffffb
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,128
	.set	macro
	.set	reorder

$L217:
	lw	$2,20($22)
	.set	noreorder
	.set	nomacro
	blez	$2,$L184
	lw	$4,16($22)
	.set	macro
	.set	reorder

	move	$5,$0
$L187:
	lbu	$2,1($4)
	lbu	$3,0($4)
	sb	$2,0($4)
	sb	$3,1($4)
	lw	$2,20($22)
	addiu	$5,$5,2
	slt	$2,$5,$2
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L187
	addiu	$4,$4,2
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L220
	move	$2,$0
	.set	macro
	.set	reorder

$L107:
	addiu	$18,$18,1
	slt	$2,$18,$3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L236
	srl	$2,$3,31
	.set	macro
	.set	reorder

	lw	$6,8($20)
$L100:
	lw	$2,136($17)
	sw	$0,128($17)
	mul	$2,$3,$2
	lw	$3,272($6)
	move	$4,$22
	div	$0,$2,$3
	teq	$3,$0,7
	mflo	$2
	addiu	$2,$2,-1
	sw	$2,132($17)
	.set	noreorder
	.set	nomacro
	jal	av_new_packet
	lw	$5,272($6)
	.set	macro
	.set	reorder

	lw	$3,8($20)
	lw	$5,100($17)
	lw	$6,272($3)
	sltu	$2,$6,32
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L108
	lw	$4,16($22)
	.set	macro
	.set	reorder

	andi	$2,$4,0x3
	bne	$2,$0,$L108
	andi	$2,$5,0x3
	bne	$2,$0,$L108
	li	$2,-32			# 0xffffffffffffffe0
	addiu	$4,$4,-4
	and	$2,$6,$2
	addu	$7,$4,$2
	sltu	$3,$4,$7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L112
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L198:
#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,$7
	bne	$2,$0,$L198
$L112:
	andi	$2,$6,0x1c
	addu	$7,$7,$2
	sltu	$3,$4,$7
	beq	$3,$0,$L114
$L199:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$7
	bne	$2,$0,$L199
$L114:
	andi	$6,$6,0x3
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$6,$2,$L118
	li	$2,3			# 0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$6,$2,$L119
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$6,$2,$L221
$L116:
	lw	$2,28($22)
$L232:
	sw	$0,24($22)
	ori	$2,$2,0x1
	.set	noreorder
	.set	nomacro
	j	$L94
	sw	$2,28($22)
	.set	macro
	.set	reorder

$L215:
	lw	$2,112($17)
	move	$4,$19
	subu	$2,$2,$6
	sll	$2,$2,2
	addu	$2,$2,$17
	.set	noreorder
	.set	nomacro
	jal	av_get_packet
	lw	$6,140($2)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L228
	lw	$2,132($17)
	.set	macro
	.set	reorder

$L216:
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L83
	li	$2,-32			# 0xffffffffffffffe0
	.set	macro
	.set	reorder

	addiu	$4,$7,-4
	and	$2,$6,$2
	addu	$7,$4,$2
	sltu	$3,$4,$7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L87
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L194:
#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,$7
	bne	$2,$0,$L194
$L87:
	andi	$2,$6,0x1c
	addu	$7,$7,$2
	sltu	$3,$4,$7
	beq	$3,$0,$L89
$L195:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$7
	bne	$2,$0,$L195
$L89:
	andi	$6,$6,0x3
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$6,$2,$L92
	li	$2,3			# 0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$6,$2,$L93
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	bne	$6,$2,$L82
	lbu	$2,4($5)
	.set	noreorder
	.set	nomacro
	j	$L82
	sb	$2,4($4)
	.set	macro
	.set	reorder

$L218:
	li	$2,1			# 0x1
	sw	$2,76($sp)
$L213:
	addiu	$2,$sp,56
$L229:
	move	$4,$fp
	addiu	$5,$sp,48
	addiu	$6,$sp,44
	addiu	$7,$sp,40
	.set	noreorder
	.set	nomacro
	jal	rm_sync
	sw	$2,16($sp)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bltz	$2,$L105
	move	$16,$2
	.set	macro
	.set	reorder

	lw	$5,40($sp)
	sll	$2,$5,2
	addu	$2,$2,$fp
	lw	$20,100($2)
	lw	$6,8($20)
	lw	$3,224($6)
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L222
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$3,$2,$L140
	li	$4,65536			# 0x10000
	.set	macro
	.set	reorder

	lw	$3,228($6)
	ori	$2,$4,0x3001
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L142
	ori	$2,$4,0x5017
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L142
	ori	$2,$4,0x5022
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L142
	ori	$2,$4,0x5002
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L223
	move	$4,$19
	.set	macro
	.set	reorder

$L140:
	move	$6,$16
	move	$4,$19
	.set	noreorder
	.set	nomacro
	jal	av_get_packet
	move	$5,$22