ogg2.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 4,096 行 · 第 1/4 页

	.file	1 "ogg2.c"
	.section .mdebug.abi32
	.previous
	.section	.text.ogg_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	ogg_probe
	.type	ogg_probe, @function
ogg_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	$2,79			# 0x4f
	lbu	$3,0($4)
	beq	$3,$2,$L12
	nop

$L2:
	move	$3,$0
$L9:
$L13:
	j	$31
	move	$2,$3

$L12:
	lbu	$3,1($4)
	li	$2,103			# 0x67
	bne	$3,$2,$L2
	nop

	lbu	$2,2($4)
	bne	$2,$3,$L13
	move	$3,$0

	lbu	$3,3($4)
	li	$2,83			# 0x53
	bne	$3,$2,$L13
	move	$3,$0

	lbu	$2,4($4)
	bne	$2,$0,$L13
	nop

	lbu	$2,5($4)
	sltu	$2,$2,8
	bne	$2,$0,$L9
	li	$3,100			# 0x64

	j	$L13
	move	$3,$0

	.set	macro
	.set	reorder
	.end	ogg_probe
	.section	.text.ogg_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	ogg_read_close
	.type	ogg_read_close, @function
ogg_read_close:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$31,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lw	$16,12($4)
	lw	$2,4($16)
	blez	$2,$L15
	move	$18,$0

	move	$17,$0
$L17:
	lw	$2,0($16)
	addiu	$18,$18,1
	addu	$2,$2,$17
	jal	av_free
	lw	$4,0($2)

	lw	$2,0($16)
	addu	$2,$2,$17
	lw	$4,324($2)
	jal	av_free
	addiu	$17,$17,328

	lw	$2,4($16)
	slt	$2,$18,$2
	bne	$2,$0,$L17
	nop

$L15:
	jal	av_free
	lw	$4,0($16)

	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	ogg_read_close
	.section	.text.ogg_save,"ax",@progbits
	.align	2
	.align	5
	.ent	ogg_save
	.type	ogg_save, @function
ogg_save:
	.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-56
	sw	$31,52($sp)
	sw	$19,28($sp)
	sw	$16,16($sp)
	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	$17,20($sp)
	lw	$17,12($4)
	move	$16,$4
	lw	$2,4($17)
	sll	$3,$2,5
	sll	$4,$2,3
	addu	$4,$4,$3
	addu	$4,$4,$2
	sll	$4,$4,3
	.set	noreorder
	.set	nomacro
	jal	av_malloc
	addiu	$4,$4,24
	.set	macro
	.set	reorder

	addiu	$4,$16,16
	.set	noreorder
	.set	nomacro
	jal	url_ftell
	move	$19,$2
	.set	macro
	.set	reorder

	lw	$4,12($17)
	sw	$2,0($19)
	sw	$4,8($19)
	lw	$5,4($17)
	sw	$3,4($19)
	sw	$5,16($19)
	lw	$4,4($17)
	lw	$6,24($17)
	sll	$3,$4,5
	sll	$2,$4,3
	addu	$2,$2,$3
	addu	$2,$2,$4
	sw	$6,12($19)
	sll	$6,$2,3
	sltu	$3,$6,32
	addiu	$4,$19,24
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L21
	lw	$5,0($17)
	.set	macro
	.set	reorder

	andi	$2,$4,0x3
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L81
	andi	$2,$5,0x3
	.set	macro
	.set	reorder

$L21:
	jal	memcpy
$L29:
	lw	$2,4($17)
	.set	noreorder
	.set	nomacro
	blez	$2,$L33
	move	$20,$0
	.set	macro
	.set	reorder

	move	$18,$0
	li	$21,2			# 0x2
	li	$23,3			# 0x3
	li	$fp,1			# 0x1
	li	$22,-32			# 0xffffffffffffffe0
$L35:
	lw	$2,0($17)
	addu	$16,$18,$2
	.set	noreorder
	.set	nomacro
	jal	av_malloc
	lw	$4,4($16)
	.set	macro
	.set	reorder

	lw	$6,4($16)
	move	$4,$2
	sw	$2,0($16)
	sltu	$2,$6,40
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L82
	andi	$3,$4,0x3
	.set	macro
	.set	reorder

	li	$2,4			# 0x4
	subu	$2,$2,$3
	.set	noreorder
	.set	nomacro
	beq	$2,$21,$L41
	move	$3,$4
	.set	macro
	.set	reorder

	beq	$2,$23,$L42
	beq	$2,$fp,$L83
$L39:
	addiu	$5,$3,-4
	move	$2,$0
#APP
	S32I2M xr1,$2
#NO_APP
	andi	$3,$3,0x1f
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L43
	and	$2,$5,$22
	.set	macro
	.set	reorder

	addiu	$7,$2,32
	sltu	$3,$5,$7
	beq	$3,$0,$L43
$L68:
#APP
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$7
	bne	$2,$0,$L68
$L43:
	addu	$6,$6,$4
	addiu	$2,$6,-31
	and	$4,$2,$22
	sltu	$3,$5,$4
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L88
	addiu	$2,$6,-4
	.set	macro
	.set	reorder

	addiu	$2,$5,4
$L89:
#APP
	pref 30,0($2)
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$4
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L89
	addiu	$2,$5,4
	.set	macro
	.set	reorder

	addiu	$2,$6,-4
$L88:
	li	$3,-4			# 0xfffffffffffffffc
	and	$3,$2,$3
	sltu	$4,$5,$3
	.set	noreorder
	.set	nomacro
	beq	$4,$0,$L90
	andi	$2,$6,0x3
	.set	macro
	.set	reorder

$L70:
#APP
	S32SDI xr1,$5,4
#NO_APP
	sltu	$2,$5,$3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L70
	andi	$2,$6,0x3
	.set	macro
	.set	reorder

$L90:
	.set	noreorder
	.set	nomacro
	beq	$2,$21,$L51
	addiu	$3,$5,4
	.set	macro
	.set	reorder

	beq	$2,$23,$L52
	beq	$2,$fp,$L84
$L38:
	lw	$6,8($16)
$L87:
	addu	$2,$18,$19
	sltu	$3,$6,32
	lw	$4,0($16)
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L53
	lw	$5,24($2)
	.set	macro
	.set	reorder

	andi	$2,$4,0x3
	bne	$2,$0,$L53
	andi	$2,$5,0x3
	bne	$2,$0,$L53
	addiu	$4,$4,-4
	and	$2,$6,$22
	addu	$7,$4,$2
	sltu	$3,$4,$7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L57
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L71:
#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,$0,$L71
$L57:
	andi	$2,$6,0x1c
	addu	$7,$7,$2
	sltu	$3,$4,$7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L91
	andi	$2,$6,0x3
	.set	macro
	.set	reorder

$L72:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$7
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L72
	andi	$2,$6,0x3
	.set	macro
	.set	reorder

$L91:
	beq	$2,$21,$L63
	beq	$2,$23,$L64
	beq	$2,$fp,$L85
$L61:
	lw	$2,4($17)
$L86:
	addiu	$20,$20,1
	slt	$2,$20,$2
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L35
	addiu	$18,$18,328
	.set	macro
	.set	reorder

$L33:
	sw	$19,24($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)
	move	$2,$0
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,56
	.set	macro
	.set	reorder

$L53:
	jal	memcpy
	.set	noreorder
	.set	nomacro
	j	$L86
	lw	$2,4($17)
	.set	macro
	.set	reorder

$L82:
	.set	noreorder
	.set	nomacro
	jal	memset
	move	$5,$0
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L87
	lw	$6,8($16)
	.set	macro
	.set	reorder

$L41:
	addiu	$3,$4,2
	sb	$0,0($4)
	.set	noreorder
	.set	nomacro
	j	$L39
	sb	$0,1($4)
	.set	macro
	.set	reorder

$L51:
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L38
	sb	$0,1($3)
	.set	macro
	.set	reorder

$L42:
	addiu	$3,$4,3
	sb	$0,0($4)
	sb	$0,1($4)
	.set	noreorder
	.set	nomacro
	j	$L39
	sb	$0,2($4)
	.set	macro
	.set	reorder

$L52:
	sb	$0,6($5)
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L38
	sb	$0,5($5)
	.set	macro
	.set	reorder

$L83:
	addiu	$3,$4,1
	.set	noreorder
	.set	nomacro
	j	$L39
	sb	$0,0($4)
	.set	macro
	.set	reorder

$L84:
	.set	noreorder
	.set	nomacro
	j	$L38
	sb	$0,4($5)
	.set	macro
	.set	reorder

$L81:
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L21
	li	$2,-32			# 0xffffffffffffffe0
	.set	macro
	.set	reorder

	addiu	$4,$19,20
	and	$2,$6,$2
	addu	$7,$4,$2
	sltu	$3,$4,$7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L25
	addiu	$5,$5,-4
	.set	macro
	.set	reorder

$L66:
#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,$0,$L66
$L25:
	andi	$2,$6,0x1c
	addu	$7,$7,$2
	sltu	$3,$4,$7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L92
	andi	$3,$6,0x3
	.set	macro
	.set	reorder

$L67:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$7
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L67
	andi	$3,$6,0x3
	.set	macro
	.set	reorder

$L92:
	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L32
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	bne	$3,$2,$L29
	lbu	$2,4($5)
	.set	noreorder
	.set	nomacro
	j	$L29
	sb	$2,4($4)
	.set	macro
	.set	reorder

$L63:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	.set	noreorder
	.set	nomacro
	j	$L61
	sb	$3,5($4)
	.set	macro
	.set	reorder

$L64:
	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	$L61
	sb	$2,6($4)
	.set	macro
	.set	reorder

$L85:
	lbu	$2,4($5)
	.set	noreorder
	.set	nomacro
	j	$L61
	sb	$2,4($4)
	.set	macro
	.set	reorder

$L32:
	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	$L29
	sb	$2,6($4)
	.set	macro
	.set	reorder

	.end	ogg_save
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"ogg, can't find sync word\012\000"
	.section	.text.ogg_read_page,"ax",@progbits
	.align	2
	.align	5
	.ent	ogg_read_page
	.type	ogg_read_page, @function
ogg_read_page:
	.frame	$sp,72,$31		# vars= 16, regs= 10/0, args= 16, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-72
	sw	$19,44($sp)
	sw	$18,40($sp)
	addiu	$19,$4,16
	addiu	$18,$sp,16
	sw	$20,48($sp)
	sw	$31,68($sp)
	sw	$fp,64($sp)
	sw	$23,60($sp)
	sw	$22,56($sp)
	sw	$21,52($sp)
	sw	$17,36($sp)
	sw	$16,32($sp)
	move	$20,$4
	sw	$5,76($sp)
	move	$4,$19
	move	$5,$18
	li	$6,4			# 0x4
	.set	noreorder
	.set	nomacro
	jal	get_buffer
	lw	$21,12($20)
	.set	macro
	.set	reorder

	slt	$2,$2,4
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L94
	move	$16,$0
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L208
	andi	$17,$16,0x3
	.set	macro
	.set	reorder

$L97:
	.set	noreorder
	.set	nomacro
	jal	url_fgetc
	addiu	$16,$16,1
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bltz	$2,$L94
	addu	$3,$18,$17
	.set	macro
	.set	reorder

	sb	$2,0($3)
	li	$2,65308			# 0xff1c
	.set	noreorder
	.set	nomacro
	beq	$16,$2,$L202
	lui	$6,%hi($LC0)
	.set	macro
	.set	reorder

	andi	$17,$16,0x3
$L208:
	addiu	$2,$16,1
	addu	$3,$18,$17
	andi	$2,$2,0x3
	lbu	$5,0($3)
	addu	$6,$18,$2
	li	$2,79			# 0x4f
	.set	noreorder
	.set	nomacro
	bne	$5,$2,$L97
	move	$4,$19
	.set	macro
	.set	reorder

	addiu	$2,$16,2
	andi	$2,$2,0x3
	lbu	$5,0($6)
	addu	$3,$18,$2
	li	$2,103			# 0x67
	.set	noreorder
	.set	nomacro
	bne	$5,$2,$L97
	addiu	$2,$16,3
	.set	macro
	.set	reorder

	lbu	$3,0($3)
	andi	$2,$2,0x3
	.set	noreorder
	.set	nomacro
	bne	$3,$5,$L97
	addu	$2,$18,$2
	.set	macro
	.set	reorder

	lbu	$3,0($2)
	li	$2,83			# 0x53
	.set	noreorder
	.set	nomacro
	bne	$3,$2,$L97
	li	$2,65306			# 0xff1a
	.set	macro
	.set	reorder

	slt	$2,$2,$16
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L102
	lui	$6,%hi($LC0)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	url_fgetc
	move	$4,$19
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L105
	li	$2,-1			# 0xffffffffffffffff
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	url_fgetc
	move	$4,$19
	.set	macro
	.set	reorder

	move	$4,$19
	.set	noreorder
	.set	nomacro
	jal	get_le64
	move	$fp,$2
	.set	macro
	.set	reorder

	move	$4,$19
	sw	$3,28($sp)
	.set	noreorder
	.set	nomacro
	jal	get_le32
	sw	$2,24($sp)
	.set	macro
	.set	reorder

	move	$4,$19
	.set	noreorder
	.set	nomacro
	jal	get_le32
	move	$17,$2
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	get_le32
	move	$4,$19
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	url_fgetc
	move	$4,$19
	.set	macro
	.set	reorder

	lw	$6,4($21)
	.set	noreorder
	.set	nomacro
	blez	$6,$L107
	move	$23,$2
	.set	macro
	.set	reorder

	lw	$4,0($21)
	lw	$2,20($4)
	.set	noreorder
	.set	nomacro
	beq	$2,$17,$L195
	move	$3,$4
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L112
	move	$22,$0
	.set	macro
	.set	reorder

$L113:
	lw	$2,348($3)
	.set	noreorder
	.set	nomacro
	beq	$17,$2,$L114
	addiu	$3,$3,328
	.set	macro
	.set	reorder

$L112:
	addiu	$22,$22,1
	bne	$22,$6,$L113
$L107:
	lw	$16,12($20)
	lw	$22,4($16)
	lw	$4,0($16)
	addiu	$2,$22,1
	sll	$3,$2,5
	sll	$5,$2,3
	addu	$5,$5,$3
	addu	$5,$5,$2
	sll	$5,$5,3
	.set	noreorder
	.set	nomacro
	jal	av_realloc
	sw	$2,4($16)
	.set	macro
	.set	reorder

	sll	$4,$22,5
	sll	$3,$22,3
	addu	$3,$3,$4
	addu	$3,$3,$22
	sll	$18,$3,3
	addu	$5,$2,$18
	andi	$4,$5,0x3
	li	$3,4			# 0x4
	sw	$2,0($16)
	subu	$3,$3,$4
	li	$2,2			# 0x2
	move	$6,$5
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L118
	addiu	$5,$5,328
	.set	macro
	.set	reorder

	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L119
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$3,$2,$L196
$L116:
	move	$3,$6
	move	$2,$0
	addiu	$6,$6,-4
#APP
	S32I2M xr1,$2
#NO_APP
	andi	$3,$3,0x1f
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L203
	addiu	$2,$5,-31
	.set	macro
	.set	reorder

	li	$2,-32			# 0xffffffffffffffe0
	and	$2,$6,$2
	addiu	$4,$2,32
	sltu	$3,$6,$4
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L203
	addiu	$2,$5,-31
	.set	macro
	.set	reorder

$L178:
#APP
	S32SDI xr1,$6,4
#NO_APP
	sltu	$2,$6,$4
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L178
	addiu	$2,$5,-31
	.set	macro
	.set	reorder

$L203:
	li	$3,-32			# 0xffffffffffffffe0
	and	$3,$2,$3
	sltu	$4,$6,$3
	.set	noreorder
	.set	nomacro
	beq	$4,$0,$L204
	addiu	$2,$5,-4
	.set	macro
	.set	reorder

	addiu	$2,$6,4
$L205:
#APP
	pref 30,0($2)
	S32SDI xr1,$6,4
	S32SDI xr1,$6,4
	S32SDI xr1,$6,4
	S32SDI xr1,$6,4
	S32SDI xr1,$6,4
	S32SDI xr1,$6,4
	S32SDI xr1,$6,4
	S32SDI xr1,$6,4
#NO_APP
	sltu	$2,$6,$3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L205
	addiu	$2,$6,4
	.set	macro
	.set	reorder

	addiu	$2,$5,-4
$L204:
	li	$3,-4			# 0xfffffffffffffffc
	and	$3,$2,$3
	sltu	$4,$6,$3
	beq	$4,$0,$L125
$L180:
#APP
	S32SDI xr1,$6,4
#NO_APP
	sltu	$2,$6,$3
	bne	$2,$0,$L180
$L125:
	andi	$5,$5,0x3
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L129
	addiu	$3,$6,4
	.set	macro
	.set	reorder

	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L130
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	beq	$5,$2,$L197
$L127:
	lw	$16,0($16)
	li	$2,65307			# 0xff1b
	addu	$16,$18,$16
	li	$4,65307			# 0xff1b
	sw	$17,20($16)
	.set	noreorder