mpeg.s

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

move	$16,$2

move	$22,$2
jal	get_be16
move	$4,$19

sra	$16,$16,1
sra	$3,$22,1
move	$6,$3
sra	$7,$22,31
andi	$16,$16,0x7
move	$17,$0
srl	$3,$16,2
srl	$4,$6,17
sll	$17,$17,30
sll	$7,$7,15
or	$17,$3,$17
or	$7,$4,$7
sll	$6,$6,15
sra	$3,$2,1
sra	$5,$2,31
sll	$16,$16,30
or	$6,$6,$3
or	$7,$7,$5
addiu	$20,$20,-5
or	$22,$16,$6
j	$L98
or	$23,$17,$7

$L158:
jal	get_byte
move	$4,$19

j	$L94
move	$17,$2

$L157:
jal	get_byte
move	$4,$19

move	$17,$2
andi	$2,$2,0x40
bne	$2,$0,$L161
lw	$6,56($sp)

sra	$16,$17,4
andi	$2,$16,0x9
andi	$16,$16,0xb
addu	$16,$16,$2
move	$6,$16
move	$7,$0
jal	url_fskip
move	$4,$19

addiu	$2,$20,-1
andi	$3,$17,0x1
beq	$3,$0,$L107
subu	$20,$2,$16

jal	get_byte
move	$4,$19

andi	$2,$2,0x7f
blez	$2,$L107
addiu	$20,$20,-1

jal	get_byte
move	$4,$19

move	$3,$2
andi	$2,$2,0x80
bne	$2,$0,$L112
andi	$2,$21,0xff

sll	$2,$2,8
or	$21,$3,$2
$L112:
j	$L107
addiu	$20,$20,-1

$L102:
jal	get_byte
move	$4,$19

move	$4,$19
jal	get_be16
move	$16,$2

move	$20,$2
jal	get_be16
move	$4,$19

sra	$3,$20,1
move	$6,$3
sra	$16,$16,1
lw	$3,72($sp)
sra	$7,$20,31
andi	$16,$16,0x7
move	$17,$0
srl	$4,$6,17
andi	$8,$3,0x40
sll	$17,$17,30
srl	$3,$16,2
sll	$7,$7,15
or	$17,$3,$17
or	$7,$4,$7
sra	$3,$2,1
sra	$5,$2,31
sll	$6,$6,15
sll	$16,$16,30
lw	$4,40($sp)
or	$6,$6,$3
or	$7,$7,$5
or	$2,$16,$6
or	$16,$17,$7
addiu	$20,$4,-5
sw	$2,64($sp)
bne	$8,$0,$L105
sw	$16,68($sp)

lw	$22,64($sp)
j	$L104
lw	$23,68($sp)

$L105:
jal	get_byte
move	$4,$19

move	$4,$19
jal	get_be16
move	$16,$2

move	$20,$2
jal	get_be16
move	$4,$19

sra	$16,$16,1
sra	$3,$20,1
move	$6,$3
sra	$7,$20,31
andi	$16,$16,0x7
move	$17,$0
srl	$3,$16,2
srl	$4,$6,17
sll	$17,$17,30
sll	$7,$7,15
or	$17,$3,$17
or	$7,$4,$7
sll	$6,$6,15
sra	$3,$2,1
lw	$4,40($sp)
sra	$5,$2,31
sll	$16,$16,30
or	$6,$6,$3
or	$7,$7,$5
addiu	$20,$4,-10
or	$22,$16,$6
j	$L104
or	$23,$17,$7

.set	macro
.set	reorder
.end	mpegps_read_pes_header
.section	.text.mpegps_read_dts,"ax",@progbits
.align	2
.align	5
.ent	mpegps_read_dts
.type	mpegps_read_dts, @function
mpegps_read_dts:
.frame	$sp,96,$31		# vars= 32, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-96
sw	$31,92($sp)
sw	$fp,88($sp)
sw	$23,84($sp)
sw	$22,80($sp)
sw	$21,76($sp)
sw	$20,72($sp)
sw	$19,68($sp)
sw	$18,64($sp)
sw	$17,60($sp)
sw	$16,56($sp)
lw	$3,4($6)
lw	$2,0($6)
addiu	$18,$4,16
move	$17,$4
move	$7,$3
move	$4,$18
move	$23,$6
addiu	$22,$sp,32
move	$6,$2
addiu	$21,$sp,40
addiu	$19,$sp,24
move	$16,$5
sw	$2,32($sp)
sw	$3,36($sp)
sw	$0,16($sp)
jal	url_fseek
addiu	$20,$sp,48

move	$4,$17
move	$5,$22
move	$6,$19
move	$7,$21
sll	$16,$16,2
jal	mpegps_read_pes_header
sw	$20,16($sp)

addu	$16,$16,$17
li	$fp,-2147483648			# 0xffffffff80000000
move	$8,$2
bltz	$2,$L173
move	$4,$18

$L166:
lw	$2,100($16)
lw	$3,24($sp)
lw	$5,4($2)
bne	$5,$3,$L174
move	$6,$8

lw	$2,48($sp)
bne	$2,$0,$L175
lw	$2,32($sp)

lw	$2,52($sp)
beq	$2,$fp,$L174
lw	$2,32($sp)

$L175:
lw	$3,36($sp)
lw	$4,48($sp)
lw	$5,52($sp)
sw	$2,0($23)
sw	$3,4($23)
lw	$31,92($sp)
lw	$fp,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
move	$2,$4
move	$3,$5
j	$31
addiu	$sp,$sp,96

$L174:
jal	url_fskip
sra	$7,$8,31

move	$4,$17
move	$5,$22
move	$6,$19
move	$7,$21
jal	mpegps_read_pes_header
sw	$20,16($sp)

move	$8,$2
bgez	$2,$L166
move	$4,$18

$L173:
move	$4,$0
li	$5,-2147483648			# 0xffffffff80000000
lw	$31,92($sp)
lw	$fp,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
move	$2,$4
move	$3,$5
j	$31
addiu	$sp,$sp,96

.set	macro
.set	reorder
.end	mpegps_read_dts
.section	.text.mpegps_read_packet,"ax",@progbits
.align	2
.align	5
.ent	mpegps_read_packet
.type	mpegps_read_packet, @function
mpegps_read_packet:
.frame	$sp,104,$31		# vars= 40, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

$L177:
addiu	$sp,$sp,-104
sw	$fp,96($sp)
sw	$23,92($sp)
sw	$19,76($sp)
sw	$16,64($sp)
sw	$31,100($sp)
sw	$22,88($sp)
sw	$21,84($sp)
sw	$20,80($sp)
sw	$18,72($sp)
sw	$17,68($sp)
move	$16,$4
addiu	$fp,$sp,48
lw	$22,12($4)
sw	$5,108($sp)
addiu	$23,$sp,40
move	$4,$16
move	$5,$fp
addiu	$6,$sp,24
addiu	$7,$sp,32
jal	mpegps_read_pes_header
sw	$23,16($sp)

bltz	$2,$L178
move	$19,$2

$L240:
lw	$6,96($16)
beq	$6,$0,$L180
lw	$5,24($sp)

lw	$17,100($16)
lw	$2,4($17)
beq	$5,$2,$L230
move	$3,$16

j	$L184
move	$4,$0

$L185:
lw	$17,104($3)
lw	$2,4($17)
beq	$5,$2,$L230
addiu	$3,$3,4

$L184:
addiu	$4,$4,1
bne	$6,$4,$L185
nop

$L180:
andi	$2,$5,0xff
addu	$2,$22,$2
lbu	$3,4($2)
blez	$3,$L186
li	$2,1			# 0x1

beq	$3,$2,$L232
li	$2,2			# 0x2

beq	$3,$2,$L232
addiu	$2,$3,-3

sltu	$2,$2,2
bne	$2,$0,$L236
li	$2,15			# 0xf

beq	$3,$2,$L237
li	$2,16			# 0x10

beq	$3,$2,$L238
li	$2,27			# 0x1b

beq	$3,$2,$L239
li	$2,129			# 0x81

beq	$3,$2,$L246
li	$2,65536			# 0x10000

$L234:
addiu	$18,$16,16
$L201:
move	$6,$19
$L247:
sra	$7,$19,31
$L248:
jal	url_fskip
move	$4,$18

move	$4,$16
move	$5,$fp
addiu	$6,$sp,24
addiu	$7,$sp,32
jal	mpegps_read_pes_header
sw	$23,16($sp)

bgez	$2,$L240
move	$19,$2

$L178:
move	$2,$19
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)
j	$31
addiu	$sp,$sp,104

$L207:
sltu	$2,$2,8
beq	$2,$0,$L241
addiu	$2,$5,-136

li	$2,65536			# 0x10000
$L246:
li	$21,1			# 0x1
ori	$20,$2,0x5004
addiu	$18,$16,16
$L193:
jal	av_new_stream
move	$4,$16

beq	$2,$0,$L201
move	$17,$2

lw	$2,8($2)
sw	$21,224($2)
sw	$20,228($2)
li	$2,65536			# 0x10000
ori	$2,$2,0x1
beq	$20,$2,$L182
li	$2,1			# 0x1

sw	$2,108($17)
$L182:
lw	$2,80($17)
slt	$2,$2,48
beq	$2,$0,$L247
move	$6,$19

lw	$2,24($sp)
addiu	$2,$2,-160
sltu	$2,$2,16
beq	$2,$0,$L224
slt	$2,$19,4

bne	$2,$0,$L248
sra	$7,$19,31

jal	get_byte
move	$4,$18

jal	get_byte
move	$4,$18

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

srl	$3,$16,2
lui	$2,%hi(lpcm_freq_tab)
addiu	$2,$2,%lo(lpcm_freq_tab)
andi	$3,$3,0xc
addu	$3,$3,$2
andi	$16,$16,0x7
lw	$4,0($3)
addiu	$16,$16,1
sll	$2,$16,1
mul	$2,$4,$2
lw	$3,8($17)
addiu	$19,$19,-3
sw	$2,4($3)
sw	$4,64($3)
sw	$16,68($3)
$L224:
lw	$4,108($sp)
jal	av_new_packet
move	$5,$19

lw	$2,108($sp)
move	$4,$18
lw	$5,16($2)
lw	$6,20($2)
jal	get_buffer
move	$19,$0

lw	$3,0($17)
lw	$4,108($sp)
lw	$5,36($sp)
sw	$3,24($4)
lw	$2,108($sp)
lw	$4,32($sp)
sw	$5,4($2)
sw	$4,0($2)
lw	$2,40($sp)
lw	$3,44($sp)
lw	$4,108($sp)
sw	$2,8($4)
sw	$3,12($4)
move	$2,$19
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)
j	$31
addiu	$sp,$sp,104

$L230:
j	$L182
addiu	$18,$16,16

$L232:
addiu	$18,$16,16
move	$21,$0
j	$L193
li	$20,2			# 0x2

$L186:
addiu	$2,$5,-480
sltu	$2,$2,16
bne	$2,$0,$L242
addiu	$2,$5,-448

sltu	$2,$2,32
beq	$2,$0,$L207
addiu	$2,$5,-128

li	$2,65536			# 0x10000
li	$21,1			# 0x1
ori	$20,$2,0x5000
j	$L193
addiu	$18,$16,16

$L237:
li	$4,65536			# 0x10000
li	$21,1			# 0x1
ori	$20,$4,0x5002
j	$L193
addiu	$18,$16,16

$L236:
li	$2,65536			# 0x10000
li	$21,1			# 0x1
ori	$20,$2,0x5001
j	$L193
addiu	$18,$16,16

$L238:
move	$21,$0
li	$20,13			# 0xd
j	$L193
addiu	$18,$16,16

$L242:
addiu	$18,$16,16
addiu	$5,$sp,56
move	$4,$18
jal	get_buffer
li	$6,8			# 0x8

li	$17,1			# 0x1
li	$6,-8			# 0xfffffffffffffff8
move	$4,$18
li	$7,-1			# 0xffffffffffffffff
jal	url_fseek
sw	$17,16($sp)

lui	$5,%hi(avs_seqh.6029)
addiu	$4,$sp,56
addiu	$5,$5,%lo(avs_seqh.6029)
jal	memcmp
li	$6,4			# 0x4

beq	$2,$0,$L243
lbu	$2,62($sp)

$L233:
lw	$5,24($sp)
move	$21,$0
j	$L193
li	$20,2			# 0x2

$L241:
sltu	$2,$2,8
bne	$2,$0,$L249
li	$4,65536			# 0x10000

addiu	$2,$5,-152
sltu	$2,$2,8
bne	$2,$0,$L250
li	$21,1			# 0x1

addiu	$2,$5,-160
sltu	$2,$2,16
beq	$2,$0,$L213
addiu	$2,$5,-176

li	$4,65536			# 0x10000
li	$21,1			# 0x1
ori	$20,$4,0x1
j	$L193
addiu	$18,$16,16

$L243:
beq	$2,$0,$L244
lbu	$2,63($sp)

lw	$5,24($sp)
move	$21,$0
j	$L193
li	$20,90			# 0x5a

$L249:
li	$21,1			# 0x1
$L250:
ori	$20,$4,0x5005
j	$L193
addiu	$18,$16,16

$L239:
move	$21,$0
li	$20,28			# 0x1c
j	$L193
addiu	$18,$16,16

$L244:
beq	$2,$17,$L233
nop

lw	$5,24($sp)
move	$21,$0
j	$L193
li	$20,90			# 0x5a

$L213:
sltu	$2,$2,16
bne	$2,$0,$L245
li	$2,65536			# 0x10000

addiu	$2,$5,-192
sltu	$2,$2,16
bne	$2,$0,$L246
li	$2,65536			# 0x10000

addiu	$2,$5,-32
sltu	$2,$2,32
beq	$2,$0,$L218
li	$2,-65536			# 0xffffffffffff0000

li	$4,65536			# 0x10000
li	$21,3			# 0x3
ori	$20,$4,0x7000
j	$L193
addiu	$18,$16,16

$L245:
li	$21,1			# 0x1
ori	$20,$2,0x5020
j	$L193
addiu	$18,$16,16

$L218:
ori	$2,$2,0x2ab
addu	$2,$5,$2
sltu	$2,$2,11
beq	$2,$0,$L234
move	$21,$0

li	$20,73			# 0x49
j	$L193
addiu	$18,$16,16

.set	macro
.set	reorder
.end	mpegps_read_packet
.globl	mpegps_demuxer
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"mpeg\000"
.align	2
$LC1:
.ascii	"MPEG PS format\000"
.data
.align	2
.type	mpegps_demuxer, @object
.size	mpegps_demuxer, 64
mpegps_demuxer:
.word	$LC0
.word	$LC1
.word	260
.word	mpegps_probe
.word	mpegps_read_header
.word	mpegps_read_packet
.word	mpegps_read_close
.word	0
.word	mpegps_read_dts
.word	8
.space	24
.rdata
.align	2
.type	lpcm_freq_tab, @object
.size	lpcm_freq_tab, 16
lpcm_freq_tab:
.word	48000
.word	96000
.word	44100
.word	32000
.align	2
.type	avs_seqh.6029, @object
.size	avs_seqh.6029, 4
avs_seqh.6029:
.byte	0
.byte	0
.byte	1
.byte	-80
.ident	"GCC: (GNU) 4.1.2"