wnv1.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 631 行

	.file	1 "wnv1.c"
	.section .mdebug.abi32
	.previous
	.section	.text.decode_init,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_init
	.type	decode_init, @function
decode_init:
	.frame	$sp,64,$31		# vars= 0, regs= 1/0, args= 56, gp= 0
	.mask	0x80000000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	move	$3,$4
	addiu	$sp,$sp,-64
	lui	$4,%hi(code_vlc)
	sw	$31,56($sp)
	lui	$2,%hi(code_tab)
	addiu	$4,$4,%lo(code_vlc)
	addiu	$10,$2,%lo(code_tab)
	lw	$8,136($3)
	lw	$2,4($4)
	li	$9,4			# 0x4
	addiu	$7,$10,2
	li	$11,2			# 0x2
	li	$5,9			# 0x9
	li	$6,16			# 0x10
	sw	$3,0($8)
	beq	$2,$0,$L6
	sw	$9,52($3)

	lw	$31,56($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,64

$L6:
	li	$2,1			# 0x1
	sw	$9,28($sp)
	sw	$11,32($sp)
	sw	$2,48($sp)
	sw	$9,16($sp)
	sw	$11,20($sp)
	sw	$10,24($sp)
	sw	$0,36($sp)
	sw	$0,40($sp)
	jal	init_vlc_sparse
	sw	$0,44($sp)

	lw	$31,56($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,64

	.set	macro
	.set	reorder
	.end	decode_init
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"get_buffer() failed\012\000"
	.align	2
$LC1:
	.ascii	"Unknown WNV1 frame header value %i, please upload file f"
	.ascii	"or study\012\000"
	.section	.text.decode_frame,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_frame
	.type	decode_frame, @function
decode_frame:
	.frame	$sp,56,$31		# vars= 0, regs= 9/0, args= 16, gp= 0
	.mask	0x80ff0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$23,44($sp)
	sw	$22,40($sp)
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$19,28($sp)
	sw	$18,24($sp)
	sw	$31,48($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lw	$17,136($4)
	move	$18,$4
	lw	$2,8($17)
	move	$22,$5
	move	$23,$6
	move	$20,$7
	lw	$21,72($sp)
	beq	$2,$0,$L8
	addiu	$19,$17,8

	lw	$2,264($4)
	jal	$2
	move	$5,$19

$L8:
	lw	$2,260($18)
	sw	$0,80($19)
	move	$4,$18
	jal	$2
	move	$5,$19

	bltz	$2,$L52
	li	$2,1			# 0x1

	slt	$3,$21,9
	bne	$3,$0,$L13
	sw	$2,48($19)

	lui	$2,%hi(ff_reverse)
	addiu	$6,$2,%lo(ff_reverse)
	move	$4,$20
	li	$5,8			# 0x8
$L15:
	lbu	$2,8($4)
	addiu	$5,$5,1
	addu	$2,$2,$6
	lbu	$3,0($2)
	sb	$3,8($4)
	bne	$21,$5,$L15
	addiu	$4,$4,1

$L13:
	sll	$3,$21,3
	addiu	$2,$3,-57
	sra	$2,$2,3
	addiu	$3,$3,-64
	bltz	$2,$L16
	addiu	$16,$17,212

	bltz	$3,$L16
	addiu	$4,$20,8

	addu	$2,$4,$2
	sw	$4,0($16)
	sw	$3,12($16)
	sw	$2,4($16)
	sw	$0,8($16)
	lbu	$2,2($20)
	li	$3,6			# 0x6
	srl	$4,$2,4
	beq	$4,$3,$L60
	li	$2,2			# 0x2

	li	$2,8			# 0x8
$L61:
	subu	$2,$2,$4
	slt	$3,$2,5
	beq	$3,$0,$L54
	sw	$2,208($17)

	blez	$2,$L55
	move	$4,$18

$L22:
	lw	$7,44($18)
	lw	$25,0($19)
	lw	$14,4($19)
	blez	$7,$L26
	lw	$13,8($19)

	lw	$4,40($18)
	move	$8,$0
	move	$15,$0
	move	$24,$0
	move	$20,$0
$L28:
	srl	$2,$4,31
	addu	$2,$2,$4
	sra	$2,$2,1
	blez	$2,$L42
	nop

	move	$11,$25
	move	$10,$0
	j	$L29
	lui	$12,%hi(code_vlc)

$L30:
	lw	$3,208($17)
	addiu	$2,$4,-7
	sll	$2,$2,$3
	addu	$2,$8,$2
$L32:
	sb	$2,0($11)
	lw	$7,8($16)
	lw	$8,0($16)
	sra	$4,$7,3
	addu	$4,$4,$8
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$6,3($4)
	lbu	$2,2($4)
	sll	$3,$3,24
	sll	$5,$5,16
	or	$3,$3,$5
	or	$3,$3,$6
	sll	$2,$2,8
	andi	$4,$7,0x7
	or	$2,$2,$3
	sll	$2,$2,$4
	addiu	$3,$12,%lo(code_vlc)
	lw	$4,4($3)
	srl	$2,$2,23
	sll	$2,$2,2
	addu	$2,$2,$4
	lh	$3,2($2)
	lh	$4,0($2)
	addu	$7,$7,$3
	li	$2,15			# 0xf
	beq	$4,$2,$L56
	sw	$7,8($16)

	lw	$3,208($17)
	addiu	$2,$4,-7
	sll	$2,$2,$3
	addu	$2,$15,$2
$L35:
	andi	$8,$2,0x00ff
	addu	$2,$10,$14
	sb	$8,0($2)
	lw	$7,8($16)
	lw	$9,0($16)
	sra	$4,$7,3
	addu	$4,$4,$9
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$6,3($4)
	lbu	$2,2($4)
	sll	$3,$3,24
	sll	$5,$5,16
	or	$3,$3,$5
	or	$3,$3,$6
	sll	$2,$2,8
	andi	$4,$7,0x7
	or	$2,$2,$3
	sll	$2,$2,$4
	addiu	$3,$12,%lo(code_vlc)
	lw	$4,4($3)
	srl	$2,$2,23
	sll	$2,$2,2
	addu	$2,$2,$4
	lh	$3,2($2)
	lh	$4,0($2)
	addu	$7,$7,$3
	li	$2,15			# 0xf
	move	$15,$8
	lbu	$8,0($11)
	beq	$4,$2,$L57
	sw	$7,8($16)

	lw	$3,208($17)
	addiu	$2,$4,-7
	sll	$2,$2,$3
	addu	$2,$8,$2
$L38:
	andi	$8,$2,0x00ff
	sb	$8,1($11)
	lw	$7,8($16)
	lw	$9,0($16)
	sra	$4,$7,3
	addu	$4,$4,$9
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$6,3($4)
	lbu	$2,2($4)
	sll	$3,$3,24
	sll	$5,$5,16
	or	$3,$3,$5
	or	$3,$3,$6
	sll	$2,$2,8
	andi	$4,$7,0x7
	or	$2,$2,$3
	sll	$2,$2,$4
	addiu	$3,$12,%lo(code_vlc)
	lw	$4,4($3)
	srl	$2,$2,23
	sll	$2,$2,2
	addu	$2,$2,$4
	lh	$3,2($2)
	lh	$4,0($2)
	addu	$7,$7,$3
	li	$2,15			# 0xf
	beq	$4,$2,$L58
	sw	$7,8($16)

	lw	$3,208($17)
	addiu	$2,$4,-7
	sll	$2,$2,$3
	addu	$2,$24,$2
	andi	$3,$2,0x00ff
	addu	$2,$10,$13
	sb	$3,0($2)
	lw	$4,40($18)
	addiu	$10,$10,1
	srl	$2,$4,31
	addu	$2,$2,$4
	sra	$2,$2,1
	slt	$2,$10,$2
	move	$24,$3
	beq	$2,$0,$L59
	addiu	$11,$11,2

$L29:
	lw	$7,8($16)
	lw	$9,0($16)
	sra	$4,$7,3
	addu	$4,$4,$9
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$6,3($4)
	lbu	$2,2($4)
	sll	$3,$3,24
	sll	$5,$5,16
	or	$3,$3,$5
	or	$3,$3,$6
	sll	$2,$2,8
	andi	$4,$7,0x7
	or	$2,$2,$3
	sll	$2,$2,$4
	addiu	$3,$12,%lo(code_vlc)
	lw	$4,4($3)
	srl	$2,$2,23
	sll	$2,$2,2
	addu	$2,$2,$4
	lh	$3,2($2)
	lh	$4,0($2)
	addu	$7,$7,$3
	li	$2,15			# 0xf
	bne	$4,$2,$L30
	sw	$7,8($16)

	sra	$2,$7,3
	addu	$2,$2,$9
	lbu	$4,0($2)
	lbu	$5,1($2)
	lbu	$6,3($2)
	lbu	$3,2($2)
	sll	$5,$5,16
	sll	$4,$4,24
	lw	$2,208($17)
	or	$4,$4,$5
	or	$4,$4,$6
	sll	$3,$3,8
	li	$5,8			# 0x8
	subu	$5,$5,$2
	or	$3,$3,$4
	andi	$2,$7,0x7
	sll	$3,$3,$2
	subu	$4,$0,$5
	lui	$2,%hi(ff_reverse)
	addiu	$2,$2,%lo(ff_reverse)
	srl	$3,$3,$4
	addu	$3,$3,$2
	lbu	$2,0($3)
	addu	$5,$7,$5
	j	$L32
	sw	$5,8($16)

$L58:
	sra	$2,$7,3
	addu	$2,$2,$9
	lbu	$4,0($2)
	lbu	$5,1($2)
	lbu	$6,3($2)
	lbu	$3,2($2)
	sll	$5,$5,16
	sll	$4,$4,24
	lw	$2,208($17)
	or	$4,$4,$5
	or	$4,$4,$6
	sll	$3,$3,8
	li	$5,8			# 0x8
	subu	$5,$5,$2
	or	$3,$3,$4
	andi	$2,$7,0x7
	subu	$4,$0,$5
	sll	$3,$3,$2
	lui	$2,%hi(ff_reverse)
	srl	$3,$3,$4
	addiu	$2,$2,%lo(ff_reverse)
	addu	$3,$3,$2
	lbu	$2,0($3)
	addu	$5,$7,$5
	andi	$3,$2,0x00ff
	addu	$2,$10,$13
	sw	$5,8($16)
	sb	$3,0($2)
	lw	$4,40($18)
	addiu	$10,$10,1
	srl	$2,$4,31
	addu	$2,$2,$4
	sra	$2,$2,1
	slt	$2,$10,$2
	move	$24,$3
	bne	$2,$0,$L29
	addiu	$11,$11,2

$L59:
	lw	$7,44($18)
$L42:
	addiu	$20,$20,1
	slt	$2,$20,$7
	lw	$6,16($19)
	lw	$5,20($19)
	beq	$2,$0,$L26
	lw	$3,24($19)

	addu	$25,$25,$6
	addu	$14,$14,$5
	j	$L28
	addu	$13,$13,$3

$L57:
	sra	$2,$7,3
	addu	$2,$2,$9
	lbu	$4,0($2)
	lbu	$5,1($2)
	lbu	$6,3($2)
	lbu	$3,2($2)
	sll	$5,$5,16
	sll	$4,$4,24
	lw	$2,208($17)
	or	$4,$4,$5
	or	$4,$4,$6
	sll	$3,$3,8
	li	$5,8			# 0x8
	subu	$5,$5,$2
	or	$3,$3,$4
	andi	$2,$7,0x7
	sll	$3,$3,$2
	subu	$4,$0,$5
	lui	$2,%hi(ff_reverse)
	addiu	$2,$2,%lo(ff_reverse)
	srl	$3,$3,$4
	addu	$3,$3,$2
	lbu	$2,0($3)
	addu	$5,$7,$5
	j	$L38
	sw	$5,8($16)

$L56:
	sra	$2,$7,3
	addu	$2,$2,$8
	lbu	$4,0($2)
	lbu	$5,1($2)
	lbu	$6,3($2)
	lbu	$3,2($2)
	sll	$5,$5,16
	sll	$4,$4,24
	lw	$2,208($17)
	or	$4,$4,$5
	or	$4,$4,$6
	sll	$3,$3,8
	li	$5,8			# 0x8
	subu	$5,$5,$2
	or	$3,$3,$4
	andi	$2,$7,0x7
	sll	$3,$3,$2
	subu	$4,$0,$5
	lui	$2,%hi(ff_reverse)
	addiu	$2,$2,%lo(ff_reverse)
	srl	$3,$3,$4
	addu	$3,$3,$2
	lbu	$2,0($3)
	addu	$5,$7,$5
	j	$L35
	sw	$5,8($16)

$L26:
	li	$2,200			# 0xc8
	sw	$2,0($23)
	move	$6,$19
	move	$7,$22
	addiu	$8,$17,200
$L45:
	lw	$2,0($6)
	lw	$3,4($6)
	lw	$4,8($6)
	lw	$5,12($6)
	addiu	$6,$6,16
	sw	$2,0($7)
	sw	$3,4($7)
	sw	$4,8($7)
	sw	$5,12($7)
	bne	$6,$8,$L45
	addiu	$7,$7,16

	lw	$2,4($6)
	lw	$3,0($6)
	sw	$2,4($7)
	sw	$3,0($7)
$L12:
	move	$2,$21
	lw	$31,48($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

$L16:
	move	$4,$0
	move	$3,$0
	move	$2,$0
	sw	$4,0($16)
	sw	$3,12($16)
	sw	$2,4($16)
	sw	$0,8($16)
	lbu	$2,2($20)
	li	$3,6			# 0x6
	srl	$4,$2,4
	bne	$4,$3,$L61
	li	$2,8			# 0x8

	li	$2,2			# 0x2
$L60:
	j	$L22
	sw	$2,208($17)

$L54:
	lbu	$7,2($20)
	lui	$6,%hi($LC1)
	addiu	$6,$6,%lo($LC1)
	srl	$7,$7,4
	move	$4,$18
	jal	av_log
	move	$5,$0

	li	$2,4			# 0x4
	j	$L22
	sw	$2,208($17)

$L55:
	lbu	$7,2($20)
	lui	$6,%hi($LC1)
	addiu	$6,$6,%lo($LC1)
	srl	$7,$7,4
	jal	av_log
	move	$5,$0

	li	$2,1			# 0x1
	j	$L22
	sw	$2,208($17)

$L52:
	lui	$6,%hi($LC0)
	move	$4,$18
	addiu	$6,$6,%lo($LC0)
	jal	av_log
	move	$5,$0

	j	$L12
	li	$21,-1			# 0xffffffffffffffff

	.set	macro
	.set	reorder
	.end	decode_frame
	.globl	wnv1_decoder
	.section	.rodata.str1.4
	.align	2
$LC2:
	.ascii	"wnv1\000"
	.data
	.align	2
	.type	wnv1_decoder, @object
	.size	wnv1_decoder, 52
wnv1_decoder:
	.word	$LC2
	.word	0
	.word	76
	.word	232
	.word	decode_init
	.word	0
	.word	0
	.word	decode_frame
	.word	2
	.space	16
	.align	2
	.type	code_tab, @object
	.size	code_tab, 64
code_tab:
	.half	509
	.half	9
	.half	253
	.half	8
	.half	125
	.half	7
	.half	61
	.half	6
	.half	29
	.half	5
	.half	13
	.half	4
	.half	5
	.half	3
	.half	0
	.half	1
	.half	4
	.half	3
	.half	12
	.half	4
	.half	28
	.half	5
	.half	60
	.half	6
	.half	124
	.half	7
	.half	252
	.half	8
	.half	508
	.half	9
	.half	255
	.half	8
	.local	code_vlc
	.comm	code_vlc,16,4
	.ident	"GCC: (GNU) 4.1.2"