gxf.s

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」· S 代码 · 共 1,973 行 · 第 1/2 页

addiu	$6,$6,%lo($LC7)
move	$7,$22
move	$4,$20
jal	av_log
move	$5,$0

j	$L221
lw	$2,24($sp)

$L213:
addiu	$2,$3,-1
sltu	$2,$2,9
beq	$2,$0,$L229
sll	$2,$2,3

li	$2,9			# 0x9
subu	$2,$2,$3
sll	$2,$2,3
$L229:
addu	$2,$2,$fp
lw	$7,0($2)
lw	$2,4($2)
subu	$16,$16,$17
sw	$7,60($sp)
j	$L116
sw	$2,56($sp)

$L209:
jal	get_be32
move	$4,$18

move	$3,$2
li	$2,65			# 0x41
beq	$16,$2,$L215
li	$2,66			# 0x42

bne	$16,$2,$L230
lw	$5,24($sp)

move	$6,$0
sw	$3,48($sp)
j	$L205
sw	$6,52($sp)

$L132:
lw	$7,96($20)
beq	$7,$0,$L134
andi	$5,$22,0x3f

lw	$2,100($20)
lw	$3,4($2)
beq	$5,$3,$L216
move	$4,$20

j	$L139
move	$6,$0

$L140:
lw	$3,104($4)
lw	$2,4($3)
beq	$5,$2,$L141
addiu	$4,$4,4

$L139:
addiu	$6,$6,1
bne	$6,$7,$L140
nop

$L134:
jal	av_new_stream
move	$4,$20

move	$5,$2
andi	$2,$23,0x7f
addiu	$2,$2,-3
sltu	$3,$2,22
beq	$3,$0,$L142
lui	$3,%hi($L152)

sll	$2,$2,2
addiu	$3,$3,%lo($L152)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
nop

.rdata
.align	2
.align	2
$L152:
.word	$L143
.word	$L143
.word	$L142
.word	$L142
.word	$L144
.word	$L144
.word	$L145
.word	$L146
.word	$L147
.word	$L147
.word	$L149
.word	$L149
.word	$L149
.word	$L149
.word	$L150
.word	$L142
.word	$L142
.word	$L147
.word	$L142
.word	$L151
.word	$L151
.word	$L144
.section	.text.gxf_header
$L149:
lw	$3,8($5)
li	$2,25			# 0x19
sw	$2,228($3)
lw	$2,96($20)
sw	$0,224($3)
addiu	$6,$2,-1
$L141:
bltz	$6,$L221
lw	$2,24($sp)

$L138:
sll	$2,$6,2
addu	$2,$2,$20
lw	$5,100($2)
lw	$2,36($sp)
beq	$2,$0,$L231
lw	$2,60($sp)

lw	$3,32($sp)
bne	$3,$0,$L232
lw	$6,40($sp)

lw	$2,60($sp)
$L231:
lw	$3,64($sp)
lw	$4,56($sp)
mul	$2,$2,$3
sw	$4,36($sp)
sw	$2,32($sp)
lw	$6,40($sp)
$L232:
lw	$7,44($sp)
sw	$6,88($5)
bne	$6,$0,$L158
sw	$7,92($5)

li	$2,-2147483648			# 0xffffffff80000000
beq	$7,$2,$L221
lw	$2,24($sp)

$L158:
lw	$7,48($sp)
bne	$7,$0,$L233
lw	$4,48($sp)

lw	$3,52($sp)
li	$2,-2147483648			# 0xffffffff80000000
beq	$3,$2,$L221
lw	$2,24($sp)

$L233:
lw	$6,40($sp)
lw	$7,44($sp)
subu	$2,$4,$6
lw	$6,52($sp)
sltu	$4,$4,$2
subu	$3,$6,$7
subu	$3,$3,$4
sw	$2,96($5)
j	$L206
sw	$3,100($5)

$L142:
lw	$3,8($5)
li	$2,-1			# 0xffffffffffffffff
sw	$2,224($3)
lw	$2,96($20)
sw	$0,228($3)
j	$L141
addiu	$6,$2,-1

$L144:
lw	$3,8($5)
li	$2,2			# 0x2
sw	$2,224($3)
lw	$2,96($20)
sw	$0,228($3)
j	$L141
addiu	$6,$2,-1

$L147:
lw	$3,8($5)
li	$2,2			# 0x2
sw	$2,108($5)
sw	$2,228($3)
lw	$2,96($20)
sw	$0,224($3)
j	$L141
addiu	$6,$2,-1

$L151:
lw	$2,8($5)
li	$3,1			# 0x1
sw	$3,228($2)
sw	$0,224($2)
lw	$2,96($20)
li	$4,2			# 0x2
addiu	$6,$2,-1
j	$L141
sw	$4,108($5)

$L150:
lw	$4,8($5)
li	$2,48000			# 0xbb80
li	$3,1			# 0x1
sw	$2,64($4)
sw	$3,224($4)
li	$2,65536			# 0x10000
li	$3,2			# 0x2
ori	$2,$2,0x5004
sw	$3,68($4)
sw	$2,228($4)
lw	$2,96($20)
j	$L141
addiu	$6,$2,-1

$L145:
lw	$4,8($5)
li	$2,65536			# 0x10000
li	$3,24			# 0x18
ori	$2,$2,0xc
sw	$3,392($4)
sw	$2,228($4)
li	$3,48000			# 0xbb80
li	$2,1114112			# 0x110000
li	$5,1			# 0x1
sw	$3,64($4)
ori	$2,$2,0x9400
li	$3,3			# 0x3
sw	$5,68($4)
sw	$2,4($4)
sw	$3,272($4)
lw	$2,96($20)
sw	$5,224($4)
j	$L141
addiu	$6,$2,-1

$L146:
lw	$4,8($5)
li	$2,16			# 0x10
li	$3,65536			# 0x10000
sw	$2,392($4)
sw	$3,228($4)
li	$2,720896			# 0xb0000
li	$3,48000			# 0xbb80
li	$5,1			# 0x1
sw	$3,64($4)
ori	$2,$2,0xb800
li	$3,2			# 0x2
sw	$5,68($4)
sw	$2,4($4)
sw	$3,272($4)
lw	$2,96($20)
sw	$5,224($4)
j	$L141
addiu	$6,$2,-1

$L143:
lw	$3,8($5)
li	$2,8			# 0x8
sw	$2,228($3)
lw	$2,96($20)
sw	$0,224($3)
j	$L141
addiu	$6,$2,-1

$L214:
lui	$6,%hi($LC6)
addiu	$6,$6,%lo($LC6)
move	$7,$23
move	$4,$20
jal	av_log
move	$5,$0

j	$L221
lw	$2,24($sp)

$L215:
move	$5,$0
sw	$3,40($sp)
j	$L205
sw	$5,44($sp)

$L211:
bne	$2,$0,$L217
lui	$6,%hi($LC8)

lw	$2,20($sp)
$L225:
bne	$2,$0,$L218
move	$6,$2

addiu	$16,$sp,24
$L224:
move	$4,$18
move	$5,$21
jal	parse_packet_header
move	$6,$16

beq	$2,$0,$L204
lw	$3,16($sp)

li	$2,252			# 0xfc
beq	$3,$2,$L219
lw	$5,24($sp)

$L168:
li	$2,253			# 0xfd
bne	$3,$2,$L171
lui	$6,%hi($LC11)

lw	$3,24($sp)
slt	$2,$3,57
bne	$2,$0,$L173
lui	$6,%hi($LC10)

addiu	$2,$3,-57
li	$6,5			# 0x5
move	$7,$0
move	$4,$18
jal	url_fskip
sw	$2,24($sp)

move	$4,$18
li	$6,48			# 0x30
jal	url_fskip
move	$7,$0

jal	get_le32
move	$4,$18

andi	$2,$2,0x7c0
srl	$3,$2,6
andi	$2,$3,0xff00
beq	$2,$0,$L178
move	$4,$0

srl	$3,$3,8
addiu	$4,$4,8
$L178:
lui	$2,%hi(ff_log2_tab)
addiu	$2,$2,%lo(ff_log2_tab)
addu	$2,$3,$2
lbu	$3,0($2)
lui	$2,%hi(map.5902)
addu	$3,$4,$3
addiu	$2,$2,%lo(map.5902)
sll	$3,$3,3
addu	$3,$3,$2
lw	$4,4($3)
lw	$2,0($3)
lw	$3,36($sp)
beq	$3,$0,$L180
lw	$5,32($sp)

bne	$5,$0,$L220
nop

$L180:
sw	$2,32($sp)
sw	$4,36($sp)
lw	$2,24($sp)
$L223:
move	$4,$18
move	$6,$2
jal	url_fskip
sra	$7,$2,31

lw	$6,36($sp)
beq	$6,$0,$L234
li	$2,50			# 0x32

lw	$7,32($sp)
$L222:
bne	$7,$0,$L186
li	$2,50			# 0x32

$L234:
li	$3,1			# 0x1
sw	$2,32($sp)
sw	$3,36($sp)
$L186:
lw	$2,96($20)
beq	$2,$0,$L187
move	$16,$20

move	$17,$0
$L189:
lw	$4,100($16)
lw	$6,36($sp)
lw	$7,32($sp)
jal	av_set_pts_info
li	$5,32			# 0x20

lw	$2,96($20)
addiu	$17,$17,1
sltu	$2,$17,$2
bne	$2,$0,$L189
addiu	$16,$16,4

$L187:
j	$L97
move	$2,$0

$L220:
lw	$2,24($sp)
move	$4,$18
move	$6,$2
jal	url_fskip
sra	$7,$2,31

j	$L222
lw	$7,32($sp)

$L208:
lui	$6,%hi($LC4)
move	$4,$20
addiu	$6,$6,%lo($LC4)
jal	av_log
move	$5,$0

j	$L97
move	$2,$0

$L171:
addiu	$6,$6,%lo($LC11)
move	$4,$20
jal	av_log
li	$5,1			# 0x1

j	$L223
lw	$2,24($sp)

$L210:
move	$4,$20
addiu	$6,$6,%lo($LC5)
jal	av_log
move	$5,$0

j	$L97
move	$2,$0

$L218:
sra	$7,$2,31
jal	url_fskip
move	$4,$18

j	$L224
addiu	$16,$sp,24

$L217:
addiu	$6,$6,%lo($LC8)
move	$4,$20
jal	av_log
move	$5,$0

j	$L225
lw	$2,20($sp)

$L173:
addiu	$6,$6,%lo($LC10)
move	$4,$20
jal	av_log
li	$5,1			# 0x1

j	$L223
lw	$2,24($sp)

$L216:
j	$L138
move	$6,$0

$L219:
jal	gxf_read_index
move	$4,$20

move	$4,$18
move	$5,$21
jal	parse_packet_header
move	$6,$16

bne	$2,$0,$L168
lw	$3,16($sp)

$L204:
lui	$6,%hi($LC9)
move	$4,$20
addiu	$6,$6,%lo($LC9)
jal	av_log
move	$5,$0

j	$L97
li	$2,-1			# 0xffffffffffffffff

.set	macro
.set	reorder
.end	gxf_header
.section	.text.gxf_probe,"ax",@progbits
.align	2
.align	5
.ent	gxf_probe
.type	gxf_probe, @function
gxf_probe:
.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	$31,20($sp)
sw	$16,16($sp)
lw	$16,4($4)
lui	$5,%hi(startcode.5827)
addiu	$5,$5,%lo(startcode.5827)
move	$4,$16
jal	memcmp
li	$6,6			# 0x6

lui	$5,%hi(endcode.5828)
addiu	$4,$16,10
addiu	$5,$5,%lo(endcode.5828)
beq	$2,$0,$L242
li	$6,6			# 0x6

$L236:
move	$3,$0
lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

$L242:
jal	memcmp
nop

bne	$2,$0,$L236
li	$3,100			# 0x64

lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	gxf_probe
.section	.rodata.str1.4
.align	2
$LC12:
.ascii	"GXF: sync lost\012\000"
.align	2
$LC13:
.ascii	"GXF: invalid media packet length\012\000"
.section	.text.gxf_packet,"ax",@progbits
.align	2
.align	5
.ent	gxf_packet
.type	gxf_packet, @function
gxf_packet:
.frame	$sp,56,$31		# vars= 8, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
sw	$19,36($sp)
sw	$18,32($sp)
sw	$16,24($sp)
sw	$31,48($sp)
sw	$21,44($sp)
sw	$20,40($sp)
sw	$17,28($sp)
move	$18,$4
move	$19,$5
addiu	$16,$4,16
$L284:
jal	url_feof
move	$4,$16

bne	$2,$0,$L285
nop

$L245:
move	$4,$16
addiu	$5,$sp,16
jal	parse_packet_header
addiu	$6,$sp,20

beq	$2,$0,$L286
lw	$3,16($sp)

li	$2,252			# 0xfc
beq	$3,$2,$L287
li	$2,191			# 0xbf

beq	$3,$2,$L253
lw	$2,20($sp)

move	$4,$16
move	$6,$2
jal	url_fskip
sra	$7,$2,31

jal	url_feof
move	$4,$16

beq	$2,$0,$L245
nop

$L285:
li	$16,-5			# 0xfffffffffffffffb
move	$2,$16
lw	$31,48($sp)
lw	$21,44($sp)
lw	$20,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,56

$L253:
lw	$3,20($sp)
slt	$2,$3,16
beq	$2,$0,$L255
lui	$6,%hi($LC13)

addiu	$6,$6,%lo($LC13)
move	$4,$18
jal	av_log
move	$5,$0

j	$L284
nop

$L287:
lw	$5,20($sp)
jal	gxf_read_index
move	$4,$18

j	$L284
nop

$L286:
jal	url_feof
move	$4,$16

beq	$2,$0,$L288
lui	$6,%hi($LC12)

li	$16,-1			# 0xffffffffffffffff
$L291:
move	$2,$16
lw	$31,48($sp)
lw	$21,44($sp)
lw	$20,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,56

$L255:
addiu	$2,$3,-16
move	$4,$16
jal	get_byte
sw	$2,20($sp)

move	$4,$16
jal	get_byte
move	$20,$2

move	$4,$16
jal	get_be32
move	$17,$2

move	$4,$16
jal	get_be32
move	$21,$2

jal	get_be32
move	$4,$16

jal	get_byte
move	$4,$16

jal	get_byte
move	$4,$16

lw	$6,20($sp)
move	$4,$16
jal	av_get_packet
move	$5,$19

lw	$6,96($18)
beq	$6,$0,$L257
move	$16,$2

lw	$2,100($18)
lw	$3,4($2)
beq	$17,$3,$L289
move	$5,$18

j	$L262
move	$4,$0

$L263:
lw	$3,104($5)
lw	$2,4($3)
beq	$17,$2,$L261
addiu	$5,$5,4

$L262:
addiu	$4,$4,1
bne	$6,$4,$L263
nop

$L257:
move	$5,$17
jal	av_new_stream
move	$4,$18

addiu	$3,$20,-3
move	$5,$2
sltu	$2,$3,22
bne	$2,$0,$L290
sll	$2,$3,2

$L264:
lw	$3,8($5)
li	$2,-1			# 0xffffffffffffffff
sw	$2,224($3)
lw	$2,96($18)
sw	$0,228($3)
addiu	$4,$2,-1
$L261:
sra	$2,$21,31
sw	$2,12($19)
sw	$4,24($19)
sw	$21,8($19)
move	$2,$16
lw	$31,48($sp)
lw	$21,44($sp)
lw	$20,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,56

$L290:
lui	$3,%hi($L274)
addiu	$3,$3,%lo($L274)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
nop

.rdata
.align	2
.align	2
$L274:
.word	$L265
.word	$L265
.word	$L264
.word	$L264
.word	$L266
.word	$L266
.word	$L267
.word	$L268
.word	$L269
.word	$L269
.word	$L271
.word	$L271
.word	$L271
.word	$L271
.word	$L272
.word	$L264
.word	$L264
.word	$L269
.word	$L264
.word	$L273
.word	$L273
.word	$L266
.section	.text.gxf_packet
$L271:
lw	$3,8($5)
li	$2,25			# 0x19
sw	$2,228($3)
lw	$2,96($18)
sw	$0,224($3)
j	$L261
addiu	$4,$2,-1

$L288:
move	$4,$18
addiu	$6,$6,%lo($LC12)
jal	av_log
move	$5,$0

j	$L291
li	$16,-1			# 0xffffffffffffffff

$L272:
lw	$4,8($5)
li	$2,48000			# 0xbb80
li	$3,1			# 0x1
sw	$2,64($4)
sw	$3,224($4)
li	$2,65536			# 0x10000
li	$3,2			# 0x2
ori	$2,$2,0x5004
sw	$3,68($4)
sw	$2,228($4)
lw	$2,96($18)
j	$L261
addiu	$4,$2,-1

$L268:
lw	$4,8($5)
li	$2,16			# 0x10
li	$3,65536			# 0x10000
sw	$2,392($4)
sw	$3,228($4)
li	$2,720896			# 0xb0000
li	$3,48000			# 0xbb80
sw	$3,64($4)
li	$5,1			# 0x1
ori	$2,$2,0xb800
li	$3,2			# 0x2
sw	$5,68($4)
sw	$2,4($4)
sw	$3,272($4)
lw	$2,96($18)
sw	$5,224($4)
j	$L261
addiu	$4,$2,-1

$L265:
lw	$3,8($5)
li	$2,8			# 0x8
sw	$2,228($3)
lw	$2,96($18)
sw	$0,224($3)
j	$L261
addiu	$4,$2,-1

$L269:
lw	$3,8($5)
li	$2,2			# 0x2
sw	$2,108($5)
sw	$2,228($3)
lw	$2,96($18)
sw	$0,224($3)
j	$L261
addiu	$4,$2,-1

$L273:
lw	$2,8($5)
li	$3,1			# 0x1
sw	$3,228($2)
sw	$0,224($2)
lw	$2,96($18)
li	$4,2			# 0x2
sw	$4,108($5)
j	$L261
addiu	$4,$2,-1

$L266:
lw	$3,8($5)
li	$2,2			# 0x2
sw	$2,224($3)
lw	$2,96($18)
sw	$0,228($3)
j	$L261
addiu	$4,$2,-1

$L267:
lw	$4,8($5)
li	$2,65536			# 0x10000
li	$3,24			# 0x18
ori	$2,$2,0xc
sw	$3,392($4)
sw	$2,228($4)
li	$3,48000			# 0xbb80
li	$2,1114112			# 0x110000
sw	$3,64($4)
li	$5,1			# 0x1
ori	$2,$2,0x9400
li	$3,3			# 0x3
sw	$5,68($4)
sw	$2,4($4)
sw	$3,272($4)
lw	$2,96($18)
sw	$5,224($4)
j	$L261
addiu	$4,$2,-1

$L289:
j	$L261
move	$4,$0

.set	macro
.set	reorder
.end	gxf_packet
.globl	gxf_demuxer
.section	.rodata.str1.4
.align	2
$LC14:
.ascii	"gxf\000"
.align	2
$LC15:
.ascii	"GXF format\000"
.data
.align	2
.type	gxf_demuxer, @object
.size	gxf_demuxer, 64
gxf_demuxer:
.word	$LC14
.word	$LC15
.word	0
.word	gxf_probe
.word	gxf_header
.word	gxf_packet
.word	0
.word	gxf_seek
.word	gxf_read_timestamp
.space	28
.rdata
.align	2
.type	map.5902, @object
.size	map.5902, 40
map.5902:
.word	50
.word	1
.word	60000
.word	1001
.word	24
.word	1
.word	25
.word	1
.word	30000
.word	1001
.align	2
.type	endcode.5828, @object
.size	endcode.5828, 6
endcode.5828:
.byte	0
.byte	0
.byte	0
.byte	0
.byte	-31
.byte	-30
.align	2
.type	startcode.5827, @object
.size	startcode.5827, 6
startcode.5827:
.byte	0
.byte	0
.byte	0
.byte	0
.byte	1
.byte	-68
.ident	"GCC: (GNU) 4.1.2"