mp3.mid

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,图片解码,浏览,电子书,录音,想学ucos,识货的人就下吧 russblock fmradio explore set

	j	$L110
	move	$20,$0

$L119:
	lbu	$3,1($fp)
	bne	$3,$2,$L121
	lw	$3,912($sp)

	lbu	$3,2($fp)
	li	$2,51			# 0x33
	bne	$3,$2,$L121
	lw	$3,912($sp)

	lbu	$2,3($fp)
	li	$3,255			# 0xff
	beq	$2,$3,$L92
	nop

	lbu	$2,4($fp)
	beq	$2,$3,$L92
	nop

	lb	$2,6($fp)
	bltz	$2,$L92
	nop

	lb	$2,7($fp)
	bltz	$2,$L92
	nop

	lb	$2,8($fp)
	bltz	$2,$L92
	nop

	lb	$2,9($fp)
	bltz	$2,$L92
	li	$2,51			# 0x33

	j	$L122
	lw	$31,908($sp)

	.set	macro
	.set	reorder
	.end	mp3_read_probe
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"version\000"
	.align	2
$LC1:
	.ascii	"unsynchronization\000"
	.align	2
$LC2:
	.ascii	"compression\000"
	.align	2
$LC3:
	.ascii	"ID3v2.%d tag skipped, cannot handle %s\012\000"
	.section	.text.mp3_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	mp3_read_header
	.type	mp3_read_header, @function
mp3_read_header:
	.frame	$sp,232,$31		# vars= 168, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-232
	move	$5,$0
	sw	$20,208($sp)
	sw	$31,228($sp)
	sw	$fp,224($sp)
	sw	$23,220($sp)
	sw	$22,216($sp)
	sw	$21,212($sp)
	sw	$19,204($sp)
	sw	$18,200($sp)
	sw	$17,196($sp)
	sw	$16,192($sp)
	jal	av_new_stream
	move	$20,$4

	bne	$2,$0,$L124
	move	$6,$2

	li	$2,-12			# 0xfffffffffffffff4
$L126:
	lw	$31,228($sp)
	lw	$fp,224($sp)
	lw	$23,220($sp)
	lw	$22,216($sp)
	lw	$21,212($sp)
	lw	$20,208($sp)
	lw	$19,204($sp)
	lw	$18,200($sp)
	lw	$17,196($sp)
	lw	$16,192($sp)
	j	$31
	addiu	$sp,$sp,232

$L124:
	addiu	$19,$20,16
	lw	$4,8($2)
	lw	$5,52($19)
	li	$2,65536			# 0x10000
	li	$3,1			# 0x1
	ori	$2,$2,0x5001
	sw	$2,228($4)
	sw	$3,108($6)
	beq	$5,$0,$L219
	sw	$3,224($4)

	addiu	$16,$sp,45
$L232:
	move	$5,$16
$L228:
	move	$4,$19
	jal	get_buffer
	li	$6,10			# 0xa

	li	$3,10			# 0xa
	bne	$2,$3,$L126
	li	$2,-1			# 0xffffffffffffffff

	lbu	$3,45($sp)
	li	$2,73			# 0x49
	beq	$3,$2,$L220
	lbu	$3,46($sp)

	move	$4,$19
$L233:
	move	$6,$0
$L234:
	move	$7,$0
	jal	url_fseek
	sw	$0,16($sp)

$L217:
	j	$L126
	move	$2,$0

$L219:
	jal	url_fsize
	move	$4,$19

	move	$6,$2
	slt	$2,$2,129
	bne	$2,$0,$L232
	addiu	$16,$sp,45

	addiu	$6,$6,-128
	sra	$7,$6,31
	move	$4,$19
	jal	url_fseek
	sw	$0,16($sp)

	move	$4,$19
	move	$5,$16
	jal	get_buffer
	li	$6,128			# 0x80

	li	$3,128			# 0x80
	beq	$2,$3,$L221
	lbu	$3,45($sp)

$L130:
	move	$4,$19
$L230:
	move	$6,$0
$L238:
	move	$7,$0
$L239:
	jal	url_fseek
	sw	$0,16($sp)

	j	$L228
	move	$5,$16

$L220:
	li	$2,68			# 0x44
	bne	$3,$2,$L233
	move	$4,$19

	lbu	$3,47($sp)
	li	$2,51			# 0x33
	bne	$3,$2,$L234
	move	$6,$0

	lbu	$7,48($sp)
	li	$3,255			# 0xff
	beq	$7,$3,$L234
	nop

	lbu	$2,49($sp)
	beq	$2,$3,$L234
	nop

	lb	$2,51($sp)
	bltz	$2,$L234
	nop

	lb	$2,52($sp)
	bltz	$2,$L234
	nop

	lb	$2,53($sp)
	bltz	$2,$L234
	nop

	lb	$2,54($sp)
	bltz	$2,$L234
	lbu	$3,52($sp)

	lbu	$2,51($sp)
	andi	$2,$2,0x7f
	andi	$3,$3,0x7f
	lbu	$4,53($sp)
	lbu	$5,54($sp)
	sll	$2,$2,21
	sll	$3,$3,14
	or	$2,$2,$3
	andi	$4,$4,0x7f
	andi	$5,$5,0x7f
	or	$2,$2,$5
	sll	$4,$4,7
	or	$fp,$4,$2
	lbu	$2,50($sp)
	andi	$7,$7,0x00ff
	sw	$2,180($sp)
	li	$2,2			# 0x2
	beq	$7,$2,$L172
	sw	$7,176($sp)

	sltu	$2,$7,2
	bne	$2,$0,$L235
	lui	$2,%hi($LC0)

	sltu	$2,$7,5
	beq	$2,$0,$L171
	lui	$2,%hi($LC0)

	li	$3,1			# 0x1
	li	$2,10			# 0xa
	sw	$3,184($sp)
	sw	$2,188($sp)
$L175:
	lw	$3,180($sp)
	sll	$2,$3,24
	sra	$2,$2,24
	bltz	$2,$L222
	lui	$2,%hi($LC1)

	lw	$2,184($sp)
	beq	$2,$0,$L229
	lw	$3,188($sp)

	lw	$3,180($sp)
	andi	$2,$3,0x40
	beq	$2,$0,$L229
	lw	$3,188($sp)

	move	$17,$0
	li	$16,3			# 0x3
	li	$18,-1			# 0xffffffffffffffff
$L183:
	jal	get_byte
	move	$4,$19

	andi	$2,$2,0x7f
	sll	$3,$17,7
	addiu	$16,$16,-1
	bne	$16,$18,$L183
	addu	$17,$3,$2

	move	$6,$17
	move	$7,$0
	jal	url_fskip
	move	$4,$19

	j	$L229
	lw	$3,188($sp)

$L223:
	jal	get_be32
	move	$4,$19

	move	$4,$19
	jal	get_byte
	move	$21,$2

	move	$4,$19
	jal	get_byte
	move	$16,$2

	move	$17,$2
	move	$4,$19
	jal	get_byte
	andi	$16,$16,0x7f

	sll	$16,$16,7
	andi	$17,$17,0x7f
	move	$18,$2
	addu	$16,$16,$17
	move	$4,$19
	sll	$16,$16,7
	jal	get_byte
	andi	$18,$18,0x7f

	addu	$16,$16,$18
	sll	$16,$16,7
	andi	$2,$2,0x7f
	move	$4,$19
	jal	get_be16
	addu	$16,$16,$2

$L189:
	lw	$3,188($sp)
	addu	$2,$16,$3
	subu	$fp,$fp,$2
	bltz	$fp,$L236
	lw	$3,176($sp)

	jal	url_ftell
	move	$4,$19

	move	$23,$3
	li	$3,5505024			# 0x540000
	move	$22,$2
	ori	$2,$3,0x5432
	beq	$21,$2,$L198
	sltu	$2,$2,$21

	bne	$2,$0,$L199
	ori	$2,$3,0x434f

	beq	$21,$2,$L194
	sltu	$2,$2,$21

	bne	$2,$0,$L200
	ori	$2,$3,0x5031

	beq	$21,$0,$L192
	move	$6,$fp

	ori	$2,$3,0x414c
	beq	$21,$2,$L237
	move	$4,$20

$L191:
	move	$3,$0
$L231:
	addu	$6,$22,$16
	sltu	$4,$6,$22
	addu	$7,$23,$3
	addu	$7,$4,$7
	move	$4,$19
	jal	url_fseek
	sw	$0,16($sp)

$L218:
	lw	$3,188($sp)
$L229:
	slt	$2,$fp,$3
	bne	$2,$0,$L185
	lw	$2,184($sp)

	bne	$2,$0,$L223
	nop

	jal	get_be24
	move	$4,$19

	move	$4,$19
	jal	get_byte
	move	$21,$2

	move	$4,$19
	jal	get_byte
	move	$16,$2

	move	$17,$2
	andi	$16,$16,0x7f
	move	$4,$19
	sll	$16,$16,7
	jal	get_byte
	andi	$17,$17,0x7f

	addu	$16,$16,$17
	sll	$16,$16,7
	andi	$2,$2,0x7f
	j	$L189
	addu	$16,$16,$2

$L221:
	li	$2,84			# 0x54
	bne	$3,$2,$L230
	move	$4,$19

	lbu	$3,46($sp)
	li	$2,65			# 0x41
	bne	$3,$2,$L238
	move	$6,$0

	lbu	$3,47($sp)
	li	$2,71			# 0x47
	bne	$3,$2,$L239
	move	$7,$0

	addiu	$2,$20,1216
	addiu	$4,$sp,48
	addiu	$6,$sp,78
	j	$L135
	addiu	$5,$sp,559

$L224:
	beq	$4,$5,$L136
	nop

	addiu	$4,$4,1
	sb	$3,0($2)
	beq	$4,$6,$L136
	addiu	$2,$2,1

$L135:
	lbu	$3,0($4)
	bne	$3,$0,$L224
	nop

$L136:
	sb	$0,0($2)
	move	$4,$6
	addiu	$2,$20,1728
	addiu	$6,$sp,108
	j	$L139
	addiu	$5,$sp,589

$L225:
	beq	$4,$5,$L140
	nop

	addiu	$4,$4,1
	sb	$3,0($2)
	beq	$4,$6,$L140
	addiu	$2,$2,1

$L139:
	lbu	$3,0($4)
	bne	$3,$0,$L225
	nop

$L140:
	sb	$0,0($2)
	move	$4,$6
	addiu	$2,$20,3264
	addiu	$6,$sp,138
	j	$L143
	addiu	$5,$sp,619

$L226:
	beq	$4,$5,$L144
	addiu	$4,$4,1

	sb	$3,0($2)
	beq	$4,$6,$L144
	addiu	$2,$2,1

$L143:
	lbu	$3,0($4)
	bne	$3,$0,$L226
	nop

$L144:
	addiu	$4,$sp,24
	move	$5,$6
	sb	$0,0($2)
	move	$3,$4
	addiu	$6,$sp,28
$L147:
	lbu	$2,0($5)
	beq	$2,$0,$L148
	addiu	$5,$5,1

	beq	$3,$6,$L148
	nop

	sb	$2,0($3)
	addiu	$3,$3,1
	bne	$6,$3,$L147
	nop

$L148:
	move	$5,$0
	li	$6,10			# 0xa
	sb	$0,0($3)
	jal	__strtol_internal
	move	$7,$0

	addiu	$3,$20,2752
	addiu	$4,$sp,142
	addiu	$5,$sp,653
	addiu	$6,$sp,172
	j	$L151
	sw	$2,3776($20)

$L227:
	beq	$4,$5,$L152
	nop

	addiu	$4,$4,1
	sb	$2,0($3)
	beq	$4,$6,$L152
	addiu	$3,$3,1

$L151:
	lbu	$2,0($4)
	bne	$2,$0,$L227
	nop

$L152:
	lbu	$2,170($sp)
	bne	$2,$0,$L155
	sb	$0,0($3)

	lbu	$2,171($sp)
	beq	$2,$0,$L240
	lbu	$3,172($sp)

	sw	$2,3780($20)
$L155:
	lbu	$3,172($sp)
$L240:
	slt	$2,$3,126
	beq	$2,$0,$L130
	lui	$2,%hi(id3v1_genre_str)

	sll	$3,$3,2
	addiu	$2,$2,%lo(id3v1_genre_str)
	addu	$3,$3,$2
	lw	$5,0($3)
	addiu	$4,$20,3784
	jal	av_strlcpy
	li	$6,32			# 0x20

	j	$L230
	move	$4,$19

$L199:
	li	$3,1413677056			# 0x54430000
	ori	$2,$3,0x4f50
	beq	$21,$2,$L195
	sltu	$2,$2,$21

	bne	$2,$0,$L201
	li	$2,1414529024			# 0x54500000

	li	$2,1413545984			# 0x54410000
	ori	$2,$2,0x4c42
	beq	$21,$2,$L193
	ori	$2,$3,0x4f4e

	bne	$21,$2,$L191
	nop

$L194:
	move	$4,$20
	move	$5,$16
	addiu	$6,$20,3784
	jal	id3v2_read_ttag
	li	$7,32			# 0x20

	j	$L231
	move	$3,$0

$L201:
	ori	$2,$2,0x4531
	beq	$21,$2,$L196
	li	$2,1414660096			# 0x54520000

	ori	$2,$2,0x434b
	beq	$21,$2,$L197
	li	$2,1414070272			# 0x54490000

	ori	$2,$2,0x5432
	bne	$21,$2,$L191
	nop

$L198:
	move	$4,$20
	move	$5,$16
	addiu	$6,$20,1216
	jal	id3v2_read_ttag
	li	$7,512			# 0x200

	j	$L231
	move	$3,$0

$L171:
$L235:
	addiu	$2,$2,%lo($LC0)
$L174:
	lw	$7,176($sp)
	lui	$6,%hi($LC3)
	move	$4,$20
	addiu	$6,$6,%lo($LC3)
	li	$5,1			# 0x1
	jal	av_log
	sw	$2,16($sp)

	move	$6,$fp
	sra	$7,$fp,31
	jal	url_fskip
	move	$4,$19

	j	$L126
	move	$2,$0

$L200:
	beq	$21,$2,$L196
	ori	$2,$3,0x524b

	beq	$21,$2,$L197
	ori	$2,$3,0x4352

	bne	$21,$2,$L191
	nop

$L195:
	move	$4,$20
	move	$5,$16
	addiu	$6,$20,2240
	jal	id3v2_read_ttag
	li	$7,512			# 0x200

	j	$L231
	move	$3,$0

$L172:
	lw	$3,180($sp)
	andi	$2,$3,0x40
	bne	$2,$0,$L176
	lui	$2,%hi($LC2)

	li	$2,6			# 0x6
	sw	$0,184($sp)
	j	$L175
	sw	$2,188($sp)

$L197:
	move	$5,$16
	addiu	$6,$sp,29
	li	$7,16			# 0x10
	jal	id3v2_read_ttag
	move	$4,$20

	addiu	$4,$sp,29
	move	$5,$0
	li	$6,10			# 0xa
	jal	__strtol_internal
	move	$7,$0

	j	$L191
	sw	$2,3780($20)

$L185:
	lw	$3,176($sp)
$L236:
	li	$2,4			# 0x4
	bne	$3,$2,$L126
	move	$2,$0

	lw	$3,180($sp)
	andi	$2,$3,0x10
	beq	$2,$0,$L217
	move	$4,$19

	li	$6,10			# 0xa
	jal	url_fskip
	move	$7,$0

	j	$L126
	move	$2,$0

$L193:
	move	$4,$20
$L237:
	move	$5,$16
	addiu	$6,$20,3264
	jal	id3v2_read_ttag
	li	$7,512			# 0x200

	j	$L231
	move	$3,$0

$L192:
	sra	$7,$fp,31
	jal	url_fskip
	move	$4,$19

	j	$L218
	move	$fp,$0

$L196:
	move	$4,$20
	move	$5,$16
	addiu	$6,$20,1728
	jal	id3v2_read_ttag
	li	$7,512			# 0x200

	j	$L231
	move	$3,$0

$L176:
	j	$L174
	addiu	$2,$2,%lo($LC2)

$L222:
	j	$L174
	addiu	$2,$2,%lo($LC1)

	.set	macro
	.set	reorder
	.end	mp3_read_header
	.section	.rodata.str1.4
	.align	2
$LC4:
	.ascii	"%d\000"
	.align	2
$LC5:
	.ascii	"Lavf51.14.0\000"
	.section	.text.mp3_write_header,"ax",@progbits
	.align	2
	.align	5
	.ent	mp3_write_header
	.type	mp3_write_header, @function
mp3_write_header:
	.frame	$sp,56,$31		# vars= 16, regs= 5/0, args= 16, gp= 0
	.mask	0x800f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$17,36($sp)
	sw	$31,48($sp)
	sw	$19,44($sp)
	sw	$18,40($sp)
	sw	$16,32($sp)
	lw	$16,3780($4)
	bne	$16,$0,$L275
	move	$17,$4

	lb	$2,1216($17)
	bne	$2,$0,$L244
	nop

$L289:
	lb	$2,1728($17)
	bne	$2,$0,$L276
	move	$18,$0

$L247:
	lb	$2,3264($17)
	bne	$2,$0,$L277
	nop

$L249:
	lb	$2,3784($17)
	bne	$2,$0,$L278
	nop

$L251:
	lb	$2,2240($17)
	bne	$2,$0,$L279
	nop

	bne	$16,$0,$L280
	nop

$L255:
	lw	$4,100($17)
	li	$19,8388608			# 0x800000
	lw	$3,8($4)
	lw	$2,12($3)
	and	$2,$2,$19
	beq	$2,$0,$L281
	nop

	bne	$18,$0,$L291
	addiu	$16,$17,16

	lw	$31,48($sp)
$L292:
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,56

$L281:
	lui	$4,%hi($LC5)
	jal	strlen