flvdec.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 1,941 行 · 第 1/2 页

move	$4,$22

move	$5,$23
move	$6,$0
jal	__ltdf2
move	$7,$0

bltz	$2,$L155
move	$4,$22

jal	__fixdfsi
move	$5,$23

lui	$3,%hi($LC9)
lw	$6,%lo($LC9)($3)
lw	$7,%lo($LC9+4)($3)
sw	$2,392($17)
move	$4,$22
jal	__eqdf2
move	$5,$23

bne	$2,$0,$L67
li	$3,-65536			# 0xffffffffffff0000

lw	$2,228($17)
addu	$2,$2,$3
sltu	$2,$2,2
beq	$2,$0,$L67
li	$2,65536			# 0x10000

ori	$2,$2,0x4
move	$4,$0
j	$L50
sw	$2,228($17)

$L155:
lui	$16,%hi($LC10)
$L203:
jal	strlen
addiu	$4,$16,%lo($LC10)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L167
lw	$4,332($sp)

lbu	$3,%lo($LC10)($16)
lbu	$2,0($4)
addiu	$5,$16,%lo($LC10)
beq	$6,$0,$L169
subu	$2,$2,$3

bne	$2,$0,$L67
nop

lbu	$2,1($4)
lbu	$3,1($5)
sltu	$4,$6,2
bne	$4,$0,$L169
subu	$2,$2,$3

bne	$2,$0,$L199
move	$4,$0

lw	$3,332($sp)
li	$4,2			# 0x2
lbu	$2,2($3)
lbu	$3,2($5)
beq	$6,$4,$L169
subu	$2,$2,$3

bne	$2,$0,$L199
move	$4,$0

lw	$4,332($sp)
lbu	$2,3($5)
lbu	$3,3($4)
subu	$2,$3,$2
$L169:
bne	$2,$0,$L199
move	$4,$0

beq	$17,$0,$L67
move	$4,$22

move	$5,$23
move	$6,$0
jal	__gedf2
move	$7,$0

bltz	$2,$L67
move	$4,$22

jal	__fixdfsi
move	$5,$23

move	$3,$2
li	$2,11000			# 0x2af8
beq	$3,$2,$L182
slt	$2,$3,11001

beq	$2,$0,$L185
li	$2,22000			# 0x55f0

li	$2,5000			# 0x1388
beq	$3,$2,$L197
li	$2,5512			# 0x1588

$L180:
move	$4,$0
j	$L50
sw	$3,64($17)

$L197:
move	$4,$0
j	$L50
sw	$2,64($17)

$L105:
jal	strcmp
addiu	$5,$16,%lo($LC4)

j	$L107
nop

$L130:
jal	strcmp
addiu	$5,$16,%lo($LC6)

j	$L132
nop

$L78:
jal	strcmp
addiu	$5,$16,%lo($LC1)

j	$L80
nop

$L151:
jal	strcmp
addiu	$5,$16,%lo($LC8)

j	$L153
nop

$L167:
jal	strcmp
addiu	$5,$16,%lo($LC10)

j	$L169
nop

$L123:
beq	$16,$2,$L121
li	$2,80			# 0x50

bne	$16,$2,$L204
lui	$6,%hi($LC5)

li	$2,8000			# 0x1f40
j	$L204
sw	$2,64($17)

$L120:
li	$2,65536			# 0x10000
ori	$2,$2,0x5001
sw	$2,228($17)
lw	$2,324($sp)
li	$3,1			# 0x1
move	$4,$0
j	$L50
sw	$3,108($2)

$L147:
beq	$16,$2,$L145
li	$2,5			# 0x5

bne	$16,$2,$L205
lui	$6,%hi($LC7)

li	$2,110			# 0x6e
sw	$2,228($17)
$L148:
lw	$2,28($17)
li	$3,1			# 0x1
beq	$2,$3,$L149
nop

sw	$3,28($17)
jal	av_malloc
li	$4,1			# 0x1

sw	$2,24($17)
$L149:
lw	$16,24($17)
jal	get_byte
move	$4,$19

move	$4,$0
j	$L50
sb	$2,0($16)

$L144:
li	$2,89			# 0x59
move	$4,$0
j	$L50
sw	$2,228($17)

$L185:
beq	$3,$2,$L183
li	$2,44000			# 0xabe0

bne	$3,$2,$L180
li	$2,44100			# 0xac44

move	$4,$0
j	$L50
sw	$2,64($17)

$L118:
lw	$3,392($17)
beq	$3,$2,$L189
li	$2,65536			# 0x10000

ori	$2,$2,0x1
move	$4,$0
j	$L50
sw	$2,228($17)

$L182:
li	$2,11025			# 0x2b11
move	$4,$0
j	$L50
sw	$2,64($17)

$L121:
lw	$3,392($17)
li	$2,8			# 0x8
beq	$3,$2,$L189
li	$2,65536			# 0x10000

move	$4,$0
j	$L50
sw	$2,228($17)

$L145:
li	$2,95			# 0x5f
j	$L148
sw	$2,228($17)

$L189:
li	$2,65536			# 0x10000
ori	$2,$2,0x4
move	$4,$0
j	$L50
sw	$2,228($17)

$L196:
move	$4,$0
j	$L50
sw	$2,228($17)

$L195:
ori	$2,$2,0x100d
move	$4,$0
j	$L50
sw	$2,228($17)

$L183:
li	$2,22050			# 0x5622
move	$4,$0
j	$L50
sw	$2,64($17)

.set	macro
.set	reorder
.end	amf_parse_object
.section	.rodata.str1.4
.align	2
$LC11:
.ascii	"onMetaData\000"
.align	2
$LC12:
.ascii	"skipping flv packet: type %d, size %d, flags %d\012\000"
.align	2
$LC13:
.ascii	"invalid stream\012\000"
.section	.text.flv_read_packet,"ax",@progbits
.align	2
.align	5
.ent	flv_read_packet
.type	flv_read_packet, @function
flv_read_packet:
.frame	$sp,120,$31		# vars= 40, regs= 10/0, args= 40, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-120
sw	$19,92($sp)
sw	$31,116($sp)
sw	$fp,112($sp)
sw	$23,108($sp)
sw	$22,104($sp)
sw	$21,100($sp)
sw	$20,96($sp)
sw	$18,88($sp)
sw	$17,84($sp)
sw	$16,80($sp)
sw	$4,120($sp)
sw	$5,124($sp)
addiu	$19,$4,16
$L317:
jal	url_ftell
move	$4,$19

li	$6,4			# 0x4
move	$7,$0
move	$4,$19
jal	url_fskip
move	$17,$2

jal	get_byte
move	$4,$19

move	$4,$19
jal	get_be24
move	$16,$2

move	$4,$19
jal	get_be24
move	$20,$2

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

bne	$2,$0,$L209
move	$4,$19

li	$6,4			# 0x4
jal	url_fskip
move	$7,$0

beq	$20,$0,$L317
nop

jal	url_ftell
move	$4,$19

addu	$18,$20,$2
li	$2,8			# 0x8
beq	$16,$2,$L318
move	$23,$20

li	$2,9			# 0x9
beq	$16,$2,$L319
li	$2,18			# 0x12

bne	$16,$2,$L330
lui	$6,%hi($LC12)

slt	$2,$20,19
beq	$2,$0,$L320
nop

$L330:
lw	$4,120($sp)
addiu	$6,$6,%lo($LC12)
move	$7,$16
move	$5,$0
sw	$20,16($sp)
jal	av_log
sw	$0,20($sp)

$L253:
move	$6,$18
$L328:
sra	$7,$18,31
move	$4,$19
jal	url_fseek
sw	$0,16($sp)

j	$L317
nop

$L209:
li	$5,-5			# 0xfffffffffffffffb
$L307:
lw	$31,116($sp)
$L338:
lw	$fp,112($sp)
lw	$23,108($sp)
lw	$22,104($sp)
lw	$21,100($sp)
lw	$20,96($sp)
lw	$19,92($sp)
lw	$18,88($sp)
lw	$17,84($sp)
lw	$16,80($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,120

$L318:
jal	get_byte
move	$4,$19

sw	$2,56($sp)
li	$fp,1			# 0x1
$L214:
lw	$3,120($sp)
lw	$5,96($3)
beq	$5,$0,$L331
lui	$6,%hi($LC13)

lw	$21,100($3)
lw	$2,4($21)
beq	$fp,$2,$L245
move	$4,$3

j	$L247
move	$6,$0

$L248:
lw	$21,104($4)
lw	$2,4($21)
beq	$fp,$2,$L249
addiu	$4,$4,4

$L247:
addiu	$3,$6,1
bne	$5,$3,$L248
move	$6,$3

lui	$6,%hi($LC13)
$L331:
addiu	$6,$6,%lo($LC13)
move	$4,$0
jal	av_log
move	$5,$0

j	$L328
move	$6,$18

$L319:
jal	get_byte
move	$4,$19

move	$fp,$0
j	$L214
sw	$2,56($sp)

$L249:
beq	$5,$3,$L331
lui	$6,%hi($LC13)

$L245:
lw	$4,80($21)
slt	$2,$4,32
bne	$2,$0,$L332
slt	$2,$4,16

lw	$5,56($sp)
li	$2,16			# 0x10
andi	$3,$5,0xf0
beq	$3,$2,$L332
slt	$2,$4,16

beq	$fp,$0,$L328
move	$6,$18

slt	$2,$4,16
$L332:
bne	$2,$0,$L333
slt	$2,$4,48

lw	$6,56($sp)
li	$2,48			# 0x30
andi	$3,$6,0xf0
bne	$3,$2,$L333
slt	$2,$4,48

beq	$fp,$0,$L328
move	$6,$18

slt	$2,$4,48
$L333:
beq	$2,$0,$L328
move	$6,$18

lw	$2,56($sp)
andi	$2,$2,0xf0
sw	$2,72($sp)
lw	$3,72($sp)
li	$2,16			# 0x10
beq	$3,$2,$L321
sra	$3,$22,31

lw	$2,52($19)
$L329:
bne	$2,$0,$L260
lw	$4,120($sp)

lw	$2,3832($4)
bne	$2,$0,$L260
li	$2,-2147483648			# 0xffffffff80000000

lw	$3,3836($4)
beq	$3,$2,$L322
nop

$L260:
beq	$fp,$0,$L265
lw	$2,56($sp)

lw	$17,8($21)
lw	$2,64($17)
beq	$2,$0,$L334
lw	$3,56($sp)

lw	$2,392($17)
beq	$2,$0,$L335
li	$2,2			# 0x2

lw	$2,228($17)
bne	$2,$0,$L336
lw	$5,124($sp)

lw	$2,232($17)
bne	$2,$0,$L337
move	$4,$19

lw	$3,56($sp)
$L334:
li	$2,2			# 0x2
$L335:
andi	$4,$3,0x1
li	$3,1			# 0x1
movz	$2,$3,$4
lw	$4,72($sp)
li	$3,80			# 0x50
beq	$4,$3,$L323
sw	$2,68($17)

lw	$5,56($sp)
li	$2,44100			# 0xac44
andi	$3,$5,0xc
sra	$3,$3,2
sll	$2,$2,$3
sra	$2,$2,3
sw	$2,64($17)
$L277:
lw	$6,56($sp)
li	$5,16			# 0x10
andi	$2,$6,0x2
li	$4,8			# 0x8
move	$3,$5
lw	$6,72($sp)
movz	$3,$4,$2
li	$2,32			# 0x20
beq	$6,$2,$L284
sw	$3,392($17)

slt	$2,$6,33
beq	$2,$0,$L287
nop

beq	$6,$0,$L282
nop

beq	$6,$5,$L324
li	$2,65536			# 0x10000

$L281:
lw	$6,72($sp)
lw	$4,120($sp)
sra	$16,$6,4
lui	$6,%hi($LC5)
addiu	$6,$6,%lo($LC5)
li	$5,1			# 0x1
jal	av_log
move	$7,$16

sw	$16,232($17)
$L270:
lw	$5,124($sp)
$L336:
move	$4,$19
$L337:
jal	av_get_packet
addiu	$6,$23,-1

blez	$2,$L209
move	$5,$2

lw	$3,124($sp)
lw	$4,124($sp)
sw	$2,20($3)
lw	$3,0($21)
sra	$2,$22,31
sw	$2,4($4)
sw	$3,24($4)
bne	$fp,$0,$L305
sw	$22,0($4)

lw	$6,72($sp)
li	$2,16			# 0x10
bne	$6,$2,$L338
lw	$31,116($sp)

$L305:
lw	$3,124($sp)
lw	$2,28($3)
ori	$2,$2,0x1
j	$L307
sw	$2,28($3)

$L320:
jal	get_byte
move	$4,$19

move	$17,$2
li	$2,2			# 0x2
bne	$17,$2,$L328
move	$6,$18

jal	get_be16
move	$4,$19

move	$16,$2
slt	$2,$2,11
beq	$2,$0,$L325
move	$6,$16

addiu	$20,$sp,40
move	$4,$19
move	$5,$20
jal	get_buffer
move	$6,$16

addu	$3,$20,$16
bltz	$16,$L253
sb	$0,0($3)

lui	$16,%hi($LC11)
jal	strlen
addiu	$4,$16,%lo($LC11)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L225
lbu	$3,%lo($LC11)($16)

lbu	$2,40($sp)
addiu	$5,$16,%lo($LC11)
beq	$6,$0,$L227
subu	$2,$2,$3

bne	$2,$0,$L253
lbu	$2,41($sp)

lbu	$3,1($5)
sltu	$4,$6,2
bne	$4,$0,$L227
subu	$2,$2,$3

bne	$2,$0,$L253
lbu	$3,42($sp)

lbu	$2,2($5)
beq	$6,$17,$L227
subu	$2,$3,$2

bne	$2,$0,$L328
move	$6,$18

lbu	$3,3($5)
lbu	$2,43($sp)
subu	$2,$2,$3
$L227:
bne	$2,$0,$L328
move	$6,$18

lw	$2,120($sp)
lw	$8,96($2)
beq	$8,$0,$L326
move	$5,$0

lw	$4,120($sp)
move	$6,$0
move	$7,$0
j	$L238
li	$9,1			# 0x1

$L239:
movz	$6,$3,$2
$L241:
addiu	$7,$7,1
beq	$8,$7,$L237
addiu	$4,$4,4

$L238:
lw	$3,100($4)
lw	$2,8($3)
lw	$2,224($2)
bne	$2,$9,$L239
nop

j	$L241
move	$5,$3

$L325:
sra	$7,$16,31
jal	url_fskip
move	$4,$19

j	$L328
move	$6,$18

$L326:
move	$6,$0
$L237:
lw	$4,120($sp)
move	$7,$20
sw	$18,16($sp)
jal	amf_parse_object
sw	$0,20($sp)

j	$L328
move	$6,$18

$L225:
addiu	$5,$16,%lo($LC11)
jal	strcmp
move	$4,$20

j	$L227
nop

$L265:
andi	$16,$2,0xf
li	$2,3			# 0x3
beq	$16,$2,$L296
lw	$17,8($21)

slt	$2,$16,4
beq	$2,$0,$L299
li	$2,4			# 0x4

li	$2,2			# 0x2
beq	$16,$2,$L327
li	$2,22			# 0x16

lw	$4,120($sp)
$L339:
lui	$6,%hi($LC7)
addiu	$6,$6,%lo($LC7)
li	$5,1			# 0x1
jal	av_log
move	$7,$16

move	$6,$0
subu	$23,$20,$6
j	$L270
sw	$16,232($17)

$L327:
move	$6,$0
subu	$23,$20,$6
j	$L270
sw	$2,228($17)

$L299:
beq	$16,$2,$L297
li	$2,5			# 0x5

bne	$16,$2,$L339
lw	$4,120($sp)

li	$2,110			# 0x6e
sw	$2,228($17)
$L301:
lw	$2,28($17)
li	$3,1			# 0x1
beq	$2,$3,$L340
move	$4,$19

sw	$3,28($17)
jal	av_malloc
li	$4,1			# 0x1

sw	$2,24($17)
move	$4,$19
$L340:
jal	get_byte
lw	$16,24($17)

li	$6,1			# 0x1
subu	$23,$20,$6
j	$L270
sb	$2,0($16)

$L297:
li	$2,95			# 0x5f
j	$L301
sw	$2,228($17)

$L296:
move	$6,$0
li	$2,89			# 0x59
subu	$23,$20,$6
j	$L270
sw	$2,228($17)

$L324:
ori	$2,$2,0x100d
$L315:
j	$L270
sw	$2,228($17)

$L282:
beq	$3,$4,$L316
nop

li	$2,65536			# 0x10000
j	$L315
ori	$2,$2,0x1

$L287:
lw	$5,72($sp)
li	$2,48			# 0x30
beq	$5,$2,$L285
li	$2,80			# 0x50

bne	$5,$2,$L281
li	$2,8000			# 0x1f40

j	$L281
sw	$2,64($17)

$L316:
li	$2,65536			# 0x10000
j	$L315
ori	$2,$2,0x4

$L285:
beq	$3,$4,$L316
nop

j	$L315
li	$2,65536			# 0x10000

$L284:
li	$2,65536			# 0x10000
ori	$2,$2,0x5001
li	$3,1			# 0x1
sw	$2,228($17)
j	$L270
sw	$3,108($21)

$L323:
li	$2,8000			# 0x1f40
j	$L277
sw	$2,64($17)

$L322:
jal	url_ftell
move	$4,$19

move	$4,$19
sw	$2,64($sp)
jal	url_fsize
sw	$3,68($sp)

addiu	$6,$2,-4
sra	$7,$6,31
move	$4,$19
move	$16,$2
jal	url_fseek
sw	$0,16($sp)

jal	get_be32
move	$4,$19

subu	$16,$16,$2
addiu	$16,$16,-3
sra	$17,$16,31
move	$6,$16
move	$7,$17
move	$4,$19
move	$18,$2
jal	url_fseek
sw	$0,16($sp)

jal	get_be24
move	$4,$19

addiu	$2,$2,11
bne	$18,$2,$L341
lw	$5,64($sp)

jal	get_be24
move	$4,$19

li	$4,1000			# 0x3e8
multu	$2,$4
lw	$4,120($sp)
mflo	$2
mfhi	$3
sw	$2,3832($4)
sw	$3,3836($4)
lw	$5,64($sp)
$L341:
move	$4,$19
move	$6,$5
sra	$7,$5,31
jal	url_fseek
sw	$0,16($sp)

j	$L260
nop

$L321:
move	$6,$17
sra	$7,$17,31
move	$4,$21
li	$2,1			# 0x1
sw	$3,20($sp)
sw	$2,32($sp)
sw	$22,16($sp)
sw	$20,24($sp)
jal	av_add_index_entry
sw	$0,28($sp)

j	$L329
lw	$2,52($19)

.set	macro
.set	reorder
.end	flv_read_packet
.globl	flv_demuxer
.section	.rodata.str1.4
.align	2
$LC14:
.ascii	"flv\000"
.align	2
$LC15:
.ascii	"flv format\000"
.data
.align	2
.type	flv_demuxer, @object
.size	flv_demuxer, 64
flv_demuxer:
.word	$LC14
.word	$LC15
.word	0
.word	flv_probe
.word	flv_read_header
.word	flv_read_packet
.word	flv_read_close
.word	flv_read_seek
.space	8
.word	$LC14
.word	22
.space	16
.ident	"GCC: (GNU) 4.1.2"