frame.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 1,152 行 · 第 1/2 页

	lw	$2,20($sp)
$L167:
	lw	$3,16($sp)
	sltu	$4,$23,8
	sw	$3,28($18)
	bne	$4,$0,$L124
	sw	$2,32($18)

	lw	$5,0($19)
$L125:
	li	$2,3			# 0x3
	beq	$5,$2,$L160
	sltu	$2,$23,641

	sll	$3,$23,2
$L170:
	sll	$2,$23,7
	subu	$2,$2,$3
	addu	$2,$2,$23
	sll	$3,$2,3
	sw	$3,16($18)
$L104:
	lw	$6,28($19)
	move	$4,$3
	ori	$6,$6,0x400
	sw	$3,16($19)
	srl	$2,$6,7
	li	$3,1			# 0x1
	sw	$6,28($19)
	bne	$5,$3,$L128
	andi	$7,$2,0x1

$L161:
	sll	$2,$4,4
	lw	$3,20($19)
	sll	$4,$4,2
	subu	$2,$2,$4
	divu	$0,$2,$3
	teq	$3,$0,7
	mflo	$2
	addu	$2,$7,$2
	j	$L130
	sll	$4,$2,2

$L146:
	lw	$6,28($19)
	lw	$5,0($19)
	srl	$2,$6,7
	beq	$5,$3,$L161
	andi	$7,$2,0x1

$L128:
	li	$2,3			# 0x3
	beq	$5,$2,$L162
	andi	$2,$6,0x1000

$L131:
	li	$2,144			# 0x90
	mul	$2,$2,$4
$L174:
	lw	$3,20($19)
	divu	$0,$2,$3
	teq	$3,$0,7
	mflo	$2
	addu	$4,$7,$2
$L130:
	lw	$5,20($18)
	addiu	$2,$4,8
	subu	$3,$fp,$5
	sltu	$2,$3,$2
	bne	$2,$0,$L151
	addu	$4,$5,$4

	lw	$2,12($18)
	bne	$2,$0,$L137
	sw	$4,24($18)

	lbu	$3,0($4)
	li	$2,255			# 0xff
	bne	$3,$2,$L139
	li	$3,224			# 0xe0

	lbu	$2,1($4)
	andi	$2,$2,0xe0
	beq	$2,$3,$L141
	li	$2,1			# 0x1

$L139:
	addiu	$5,$5,1
	sw	$5,24($18)
$L80:
	addiu	$20,$18,28
	jal	mad_bit_init
	move	$4,$20

	jal	mad_stream_sync
	move	$4,$18

	li	$3,-1			# 0xffffffffffffffff
	beq	$2,$3,$L163
	nop

	jal	mad_bit_nextbyte
	move	$4,$20

	move	$5,$2
	j	$L87
	addiu	$4,$2,1

$L101:
	lw	$6,28($19)
	lw	$2,28($18)
	lw	$4,32($18)
	srl	$3,$6,7
	lw	$5,0($19)
	sw	$2,16($sp)
	andi	$3,$3,0x1
	li	$2,3			# 0x3
	sw	$4,20($sp)
	bne	$5,$2,$L107
	sw	$3,140($sp)

	j	$L165
	andi	$2,$6,0x1000

$L159:
	lw	$3,20($19)
	bne	$2,$3,$L169
	move	$4,$20

	jal	mad_bit_nextbyte
	move	$4,$20

	lw	$3,20($18)
	lw	$5,0($19)
	subu	$3,$2,$3
	li	$2,1			# 0x1
	beq	$5,$2,$L164
	lw	$4,140($sp)

	subu	$2,$3,$4
	lw	$3,20($19)
	addiu	$2,$2,1
	mul	$2,$2,$3
	lw	$3,144($sp)
	divu	$0,$2,$3
	teq	$3,$0,7
	li	$3,274857984			# 0x10620000
	ori	$3,$3,0x4dd3
	mflo	$2
	multu	$2,$3
	mfhi	$2
	srl	$23,$2,6
$L121:
	sltu	$2,$23,8
	bne	$2,$0,$L169
	move	$4,$20

	lw	$3,20($sp)
	lw	$2,16($sp)
	sw	$3,32($18)
	j	$L125
	sw	$2,28($18)

$L78:
	addu	$5,$5,$3
	sw	$0,8($18)
	j	$L74
	sw	$2,12($18)

$L155:
	j	$L95
	li	$6,384			# 0x180

$L156:
	lw	$2,28($19)
	andi	$2,$2,0x1000
	beq	$2,$0,$L96
	li	$6,576			# 0x240

	j	$L173
	lw	$7,20($19)

$L162:
	beq	$2,$0,$L131
	li	$2,72			# 0x48

	j	$L174
	mul	$2,$2,$4

$L160:
	bne	$2,$0,$L170
	sll	$3,$23,2

$L124:
	li	$2,257			# 0x101
	j	$L73
	sw	$2,60($18)

$L157:
	j	$L110
	sw	$2,144($sp)

$L141:
	sw	$2,12($18)
	lw	$6,28($19)
$L137:
	ori	$2,$6,0x8
	move	$3,$0
	j	$L142
	sw	$2,28($19)

$L164:
	lw	$4,136($sp)
	subu	$2,$3,$4
	lw	$3,20($19)
	addiu	$2,$2,4
	mul	$2,$2,$3
	li	$3,91619328			# 0x5760000
	ori	$3,$3,0x19f1
	multu	$2,$3
	mfhi	$2
	j	$L121
	srl	$23,$2,10

$L151:
	sw	$5,24($18)
	li	$2,1			# 0x1
$L171:
	j	$L73
	sw	$2,60($18)

$L154:
	addiu	$4,$5,1
$L86:
	li	$2,257			# 0x101
	sw	$5,20($18)
	sw	$4,24($18)
	j	$L73
	sw	$2,60($18)

$L153:
	li	$2,2			# 0x2
	j	$L73
	sw	$2,60($18)

$L163:
	lw	$2,24($18)
	subu	$2,$fp,$2
	slt	$2,$2,8
	bne	$2,$0,$L171
	li	$2,1			# 0x1

	addiu	$2,$fp,-8
	sw	$2,24($18)
	li	$2,1			# 0x1
	j	$L73
	sw	$2,60($18)

	.set	macro
	.set	reorder
	.end	mad_header_decode
	.section	.text.mad_frame_decode,"ax",@progbits
	.align	2
	.align	5
	.globl	mad_frame_decode
	.ent	mad_frame_decode
	.type	mad_frame_decode, @function
mad_frame_decode:
	.frame	$sp,40,$31		# vars= 8, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sw	$17,28($sp)
	sw	$16,24($sp)
	sw	$31,32($sp)
	lw	$6,28($4)
	lw	$2,56($5)
	andi	$3,$6,0x8
	move	$16,$4
	move	$17,$5
	bne	$3,$0,$L176
	sw	$2,44($4)

	jal	mad_header_decode
	nop

	li	$3,-1			# 0xffffffffffffffff
	beq	$2,$3,$L178
	nop

	lw	$6,28($16)
$L176:
	lw	$4,0($16)
	lui	$2,%hi(decoder_table)
	addiu	$2,$2,%lo(decoder_table)
	sll	$4,$4,2
	addu	$4,$4,$2
	li	$3,-9			# 0xfffffffffffffff7
	and	$3,$6,$3
	lw	$2,-4($4)
	sw	$3,28($16)
	move	$4,$17
	jal	$2
	move	$5,$16

	li	$3,-1			# 0xffffffffffffffff
	beq	$2,$3,$L186
	li	$2,3			# 0x3

	lw	$3,0($16)
	beq	$3,$2,$L187
	addiu	$16,$sp,16

	lw	$5,24($17)
	jal	mad_bit_init
	move	$4,$16

	lw	$3,32($17)
	lw	$2,28($17)
	sw	$3,40($17)
	sw	$2,36($17)
	move	$5,$16
	jal	mad_bit_length
	addiu	$4,$17,28

	sw	$2,44($17)
	move	$3,$0
	lw	$31,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,40

$L186:
	lw	$2,60($17)
	andi	$2,$2,0xff00
	bne	$2,$0,$L178
	nop

	lw	$2,20($17)
	sw	$2,24($17)
$L178:
	sw	$0,44($17)
	li	$3,-1			# 0xffffffffffffffff
	lw	$31,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,40

$L187:
	move	$3,$0
	lw	$31,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,40

	.set	macro
	.set	reorder
	.end	mad_frame_decode
	.section	.text.mad_frame_finish,"ax",@progbits
	.align	2
	.align	5
	.globl	mad_frame_finish
	.ent	mad_frame_finish
	.type	mad_frame_finish, @function
mad_frame_finish:
	.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
	.mask	0x80010000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	sw	$16,16($sp)
	sw	$31,20($sp)
	lw	$2,9264($4)
	move	$16,$4
	beq	$2,$0,$L191
	move	$4,$2

	jal	uc_free
	nop

	sw	$0,9264($16)
$L191:
	lw	$31,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	mad_frame_finish
	.section	.text.mad_frame_init,"ax",@progbits
	.align	2
	.align	5
	.globl	mad_frame_init
	.ent	mad_frame_init
	.type	mad_frame_init, @function
mad_frame_init:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lui	$3,%hi(mad_timer_zero)
	addiu	$2,$3,%lo(mad_timer_zero)
	lw	$6,4($2)
	lw	$5,%lo(mad_timer_zero)($3)
	move	$7,$0
	sw	$5,36($4)
	sw	$6,40($4)
	sw	$0,0($4)
	sw	$0,4($4)
	sw	$0,8($4)
	sw	$0,12($4)
	sw	$0,16($4)
	sw	$0,20($4)
	sh	$0,24($4)
	sh	$0,26($4)
	sw	$0,28($4)
	sw	$0,32($4)
	sw	$0,44($4)
	sll	$2,$7,7
$L211:
	addiu	$2,$2,4656
	addu	$3,$4,$2
	move	$5,$0
$L194:
	addiu	$5,$5,1
	li	$2,32			# 0x20
	sw	$0,0($3)
	sw	$0,-4608($3)
	bne	$5,$2,$L194
	addiu	$3,$3,4

	addiu	$7,$7,1
	li	$2,36			# 0x24
	bne	$7,$2,$L211
	sll	$2,$7,7

	lw	$4,9264($4)
	beq	$4,$0,$L214
	move	$6,$0

	sll	$2,$6,2
$L212:
	addiu	$2,$2,2304
	addu	$3,$4,$2
	move	$5,$0
$L199:
	addiu	$5,$5,1
	li	$2,32			# 0x20
	sw	$0,0($3)
	sw	$0,-2304($3)
	bne	$5,$2,$L199
	addiu	$3,$3,72

	addiu	$6,$6,1
	li	$2,18			# 0x12
	bne	$6,$2,$L212
	sll	$2,$6,2

$L214:
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	mad_frame_init
	.rdata
	.align	2
	.type	decoder_table, @object
	.size	decoder_table, 12
decoder_table:
	.word	mad_layer_I
	.word	mad_layer_II
	.word	mad_layer_III
	.align	2
	.type	bitrate_table, @object
	.size	bitrate_table, 300
bitrate_table:
	.word	0
	.word	32000
	.word	64000
	.word	96000
	.word	128000
	.word	160000
	.word	192000
	.word	224000
	.word	256000
	.word	288000
	.word	320000
	.word	352000
	.word	384000
	.word	416000
	.word	448000
	.word	0
	.word	32000
	.word	48000
	.word	56000
	.word	64000
	.word	80000
	.word	96000
	.word	112000
	.word	128000
	.word	160000
	.word	192000
	.word	224000
	.word	256000
	.word	320000
	.word	384000
	.word	0
	.word	32000
	.word	40000
	.word	48000
	.word	56000
	.word	64000
	.word	80000
	.word	96000
	.word	112000
	.word	128000
	.word	160000
	.word	192000
	.word	224000
	.word	256000
	.word	320000
	.word	0
	.word	32000
	.word	48000
	.word	56000
	.word	64000
	.word	80000
	.word	96000
	.word	112000
	.word	128000
	.word	144000
	.word	160000
	.word	176000
	.word	192000
	.word	224000
	.word	256000
	.word	0
	.word	8000
	.word	16000
	.word	24000
	.word	32000
	.word	40000
	.word	48000
	.word	56000
	.word	64000
	.word	80000
	.word	96000
	.word	112000
	.word	128000
	.word	144000
	.word	160000
	.align	2
	.type	samplerate_table, @object
	.size	samplerate_table, 12
samplerate_table:
	.word	44100
	.word	48000
	.word	32000
	.ident	"GCC: (GNU) 4.1.2"