demuxer.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 4,853 行 · 第 1/5 页

.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$18,24($sp)
sw	$31,28($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$16,56($4)
bne	$16,$0,$L395
move	$18,$4

j	$L400
lw	$2,76($18)

$L379:
jal	free_demux_packet
nop

$L397:
jal	uc_free
move	$4,$16

$L381:
beq	$17,$0,$L377
move	$16,$17

$L395:
lw	$2,48($16)
lw	$17,52($16)
bne	$2,$0,$L379
move	$4,$2

lw	$2,44($16)
addiu	$2,$2,-1
bne	$2,$0,$L381
sw	$2,44($16)

lw	$2,36($16)
beq	$2,$0,$L397
move	$4,$2

jal	uc_free
nop

j	$L397
nop

$L377:
lw	$2,76($18)
$L400:
beq	$2,$0,$L385
nop

jal	uc_free
lw	$4,36($2)

jal	uc_free
lw	$4,76($18)

sw	$0,76($18)
$L385:
lw	$16,64($18)
sw	$0,60($18)
sw	$0,56($18)
sw	$0,48($18)
beq	$16,$0,$L387
sw	$0,52($18)

lw	$4,48($16)
beq	$4,$0,$L399
nop

jal	free_demux_packet
nop

$L398:
jal	uc_free
move	$4,$16

$L387:
lw	$2,4($18)
sw	$0,24($18)
sw	$2,0($18)
sw	$0,64($18)
sw	$0,8($18)
sw	$0,16($18)
sw	$0,20($18)
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

$L399:
lw	$2,44($16)
addiu	$2,$2,-1
bne	$2,$0,$L387
sw	$2,44($16)

lw	$4,36($16)
beq	$4,$0,$L398
nop

jal	uc_free
nop

j	$L398
nop

.set	macro
.set	reorder
.end	ds_free_packs
.section	.rodata.str1.4
.align	2
$LC35:
.ascii	"Cannot seek in raw AVI streams. (Index required, try wit"
.ascii	"h the -idx switch.)\012\000"
.align	2
$LC36:
.ascii	"Cannot seek in this file.\012\000"
.globl	__eqdf2
.globl	__extendsfdf2
.globl	__muldf3
.globl	__adddf3
.section	.rodata.cst8
.align	3
$LC37:
.word	0
.word	-1008730112
.section	.text.demux_seek,"ax",@progbits
.align	2
.align	5
.globl	demux_seek
.ent	demux_seek
.type	demux_seek, @function
demux_seek:
.frame	$sp,72,$31		# vars= 16, regs= 9/0, args= 16, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$23,60($sp)
sw	$22,56($sp)
sw	$21,52($sp)
sw	$18,40($sp)
sw	$31,64($sp)
sw	$20,48($sp)
sw	$19,44($sp)
sw	$17,36($sp)
sw	$16,32($sp)
move	$18,$4
lw	$16,56($18)
lw	$4,52($4)
lw	$2,48($18)
move	$22,$5
move	$23,$6
move	$21,$7
sw	$0,16($sp)
sw	$0,20($sp)
lw	$20,92($4)
bne	$2,$0,$L402
lw	$17,92($16)

lw	$3,44($18)
li	$2,3			# 0x3
beq	$3,$2,$L427
lui	$6,%hi($LC36)

addiu	$6,$6,%lo($LC36)
li	$4,14			# 0xe
jal	mp_msg
li	$5,2			# 0x2

lw	$31,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,72

$L402:
beq	$20,$0,$L407
nop

jal	ds_free_packs
nop

sw	$0,72($20)
$L407:
jal	ds_free_packs
move	$4,$16

jal	ds_free_packs
lw	$4,60($18)

lw	$19,16($18)
lw	$2,56($18)
lw	$3,52($18)
sw	$0,56($19)
sw	$0,28($2)
beq	$17,$0,$L409
sw	$0,28($3)

move	$2,$0
sw	$2,20($17)
$L409:
andi	$2,$21,0x1
beq	$2,$0,$L411
lui	$2,%hi($LC37)

andi	$2,$21,0x2
sw	$0,24($sp)
bne	$2,$0,$L428
sw	$0,28($sp)

$L416:
jal	__extendsfdf2
move	$4,$22

lw	$4,24($sp)
lw	$5,28($sp)
move	$6,$2
jal	__adddf3
move	$7,$3

sw	$2,24($sp)
sw	$3,28($sp)
$L419:
move	$4,$19
li	$5,6			# 0x6
jal	stream_control
addiu	$6,$sp,24

li	$3,-1			# 0xffffffffffffffff
beq	$2,$3,$L414
nop

lw	$2,0($18)
lw	$2,48($2)
beq	$2,$0,$L421
move	$4,$18

li	$5,13			# 0xd
jal	$2
move	$6,$0

lw	$31,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,72

$L411:
lw	$16,24($18)
lw	$17,28($18)
lw	$6,%lo($LC37)($2)
lw	$7,%lo($LC37+4)($2)
move	$4,$16
jal	__eqdf2
move	$5,$17

bne	$2,$0,$L429
andi	$2,$21,0x2

$L414:
lw	$2,0($18)
lw	$2,44($2)
beq	$2,$0,$L423
move	$4,$18

move	$5,$22
move	$6,$23
jal	$2
move	$7,$21

$L423:
beq	$20,$0,$L430
lw	$31,64($sp)

jal	resync_audio_stream
move	$4,$20

lw	$31,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,72

$L427:
lui	$6,%hi($LC35)
addiu	$6,$6,%lo($LC35)
li	$4,14			# 0xe
jal	mp_msg
li	$5,2			# 0x2

lw	$31,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,72

$L429:
sw	$16,24($sp)
beq	$2,$0,$L416
sw	$17,28($sp)

$L428:
move	$4,$19
li	$5,1			# 0x1
jal	stream_control
addiu	$6,$sp,16

li	$3,-1			# 0xffffffffffffffff
beq	$2,$3,$L414
nop

jal	__extendsfdf2
move	$4,$22

lw	$6,16($sp)
lw	$7,20($sp)
move	$4,$2
jal	__muldf3
move	$5,$3

lw	$4,24($sp)
lw	$5,28($sp)
move	$6,$2
jal	__adddf3
move	$7,$3

lw	$19,16($18)
sw	$2,24($sp)
j	$L419
sw	$3,28($sp)

$L421:
lw	$31,64($sp)
$L430:
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,72

.set	macro
.set	reorder
.end	demux_seek
.section	.text.free_demuxer_stream,"ax",@progbits
.align	2
.align	5
.globl	free_demuxer_stream
.ent	free_demuxer_stream
.type	free_demuxer_stream, @function
free_demuxer_stream:
.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)
jal	ds_free_packs
move	$16,$4

move	$4,$16
lw	$31,20($sp)
lw	$16,16($sp)
j	uc_free
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	free_demuxer_stream
.section	.rodata.str1.4
.align	2
$LC38:
.ascii	"DEMUXER: freeing demuxer at %p\012\000"
.section	.text.free_demuxer,"ax",@progbits
.align	2
.align	5
.globl	free_demuxer
.ent	free_demuxer
.type	free_demuxer, @function
free_demuxer:
.frame	$sp,48,$31		# vars= 0, regs= 8/0, args= 16, gp= 0
.mask	0x807f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$19,28($sp)
lui	$6,%hi($LC38)
move	$19,$4
addiu	$6,$6,%lo($LC38)
li	$4,5			# 0x5
li	$5,7			# 0x7
move	$7,$19
sw	$31,44($sp)
sw	$22,40($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$18,24($sp)
sw	$17,20($sp)
jal	mp_msg
sw	$16,16($sp)

lw	$2,0($19)
lw	$3,40($2)
beq	$3,$0,$L434
nop

jal	$3
move	$4,$19

lw	$2,0($19)
$L434:
lw	$3,20($2)
li	$2,65536			# 0x10000
beq	$3,$2,$L436
lui	$21,%hi($LC7)

move	$17,$19
move	$18,$0
li	$22,1			# 0x1
j	$L438
li	$20,256			# 0x100

$L443:
jal	uc_free
move	$4,$16

$L439:
beq	$18,$20,$L480
addiu	$17,$17,4

$L438:
lw	$16,64($17)
li	$4,5			# 0x5
li	$5,7			# 0x7
addiu	$6,$21,%lo($LC7)
addiu	$18,$18,1
beq	$16,$0,$L439
move	$7,$16

jal	mp_msg
sw	$0,64($17)

lw	$2,156($16)
beq	$2,$0,$L441
move	$4,$2

jal	uc_free
nop

$L441:
lw	$2,172($16)
bne	$2,$22,$L443
nop

lw	$2,164($16)
beq	$2,$0,$L443
move	$4,$2

jal	uc_free
nop

j	$L443
sw	$0,164($16)

$L480:
move	$17,$0
lui	$20,%hi($LC6)
li	$18,1024			# 0x400
addu	$2,$17,$19
$L481:
lw	$16,1088($2)
li	$4,5			# 0x5
li	$5,7			# 0x7
addiu	$6,$20,%lo($LC6)
addiu	$17,$17,4
beq	$16,$0,$L448
move	$7,$16

jal	mp_msg
nop

lw	$2,336($16)
beq	$2,$0,$L450
move	$4,$2

jal	uc_free
nop

$L450:
jal	uc_free
move	$4,$16

$L448:
bne	$17,$18,$L481
addu	$2,$17,$19

move	$17,$0
lui	$20,%hi($LC8)
li	$18,128			# 0x80
addu	$2,$17,$19
$L482:
lw	$16,2112($2)
addiu	$17,$17,4
li	$4,5			# 0x5
li	$5,7			# 0x7
addiu	$6,$20,%lo($LC8)
beq	$16,$0,$L454
move	$7,$16

jal	mp_msg
nop

jal	uc_free
move	$4,$16

$L454:
bne	$17,$18,$L482
addu	$2,$17,$19

lw	$16,52($19)
jal	ds_free_packs
move	$4,$16

jal	uc_free
move	$4,$16

lw	$16,56($19)
jal	ds_free_packs
move	$4,$16

jal	uc_free
move	$4,$16

lw	$16,60($19)
jal	ds_free_packs
move	$4,$16

jal	uc_free
move	$4,$16

$L436:
lw	$3,2252($19)
beq	$3,$0,$L457
nop

lw	$4,0($3)
beq	$4,$0,$L459
nop

li	$16,4			# 0x4
$L461:
jal	uc_free
nop

lw	$3,2252($19)
addu	$2,$3,$16
lw	$4,0($2)
bne	$4,$0,$L461
addiu	$16,$16,4

$L459:
jal	uc_free
move	$4,$3

$L457:
lw	$4,32($19)
beq	$4,$0,$L462
nop

jal	uc_free
nop

$L462:
lw	$6,2240($19)
beq	$6,$0,$L464
nop

lw	$5,2244($19)
blez	$5,$L466
move	$17,$0

move	$16,$0
addu	$2,$6,$16
$L483:
lw	$3,16($2)
addiu	$17,$17,1
addiu	$16,$16,24
beq	$3,$0,$L469
move	$4,$3

jal	uc_free
nop

lw	$6,2240($19)
lw	$5,2244($19)
$L469:
slt	$2,$17,$5
bne	$2,$0,$L483
addu	$2,$6,$16

$L466:
jal	uc_free
move	$4,$6

$L464:
jal	uc_free
move	$4,$19

lw	$31,44($sp)
lw	$22,40($sp)
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	deinit_parse_ex
addiu	$sp,$sp,48

.set	macro
.set	reorder
.end	free_demuxer
.section	.rodata.str1.4
.align	2
$LC39:
.ascii	"%s file format detected.\012\000"
.align	2
$LC40:
.ascii	"demuxer: continue fuzzy content-based format guessing..."
.ascii	"\012\000"
.globl	__floatsisf
.align	2
$LC41:
.ascii	"VIDEO:  [%.4s]  %dx%d  %dbpp  %5.3f fps  %5.1f kbps (%4."
.ascii	"1f kbyte/s)\012\000"
.globl	__mulsf3
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC42:
.word	1006834287
.align	2
$LC43:
.word	981467136
.section	.text.demux_open_stream,"ax",@progbits
.align	2
.align	5
.ent	demux_open_stream
.type	demux_open_stream, @function
demux_open_stream:
.frame	$sp,104,$31		# vars= 8, regs= 10/0, args= 56, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-104
sw	$fp,96($sp)
sw	$23,92($sp)
sw	$22,88($sp)
sw	$21,84($sp)
sw	$20,80($sp)
sw	$31,100($sp)
sw	$19,76($sp)
sw	$18,72($sp)
sw	$17,68($sp)
sw	$16,64($sp)
move	$3,$5
move	$20,$4
sw	$6,112($sp)
move	$21,$7
lw	$22,120($sp)
lw	$fp,124($sp)
beq	$5,$0,$L485
lw	$23,128($sp)

lui	$2,%hi(demuxer_list)
lw	$16,%lo(demuxer_list)($2)
beq	$16,$0,$L487
nop

lw	$5,20($16)
beq	$5,$3,$L489
lui	$4,%hi(demuxer_list+4)

j	$L491
addiu	$2,$4,%lo(demuxer_list+4)

$L492:
lw	$5,20($16)
beq	$3,$5,$L557
move	$4,$20

$L491:
lw	$16,0($2)
bne	$16,$0,$L492
addiu	$2,$2,4

lui	$4,%hi(demuxer_list)
lw	$16,%lo(demuxer_list)($4)
lui	$2,%hi(demuxer_list+4)
$L559:
j	$L515
addiu	$19,$2,%lo(demuxer_list+4)

$L516:
lw	$16,0($19)
beq	$16,$0,$L549
addiu	$19,$19,4

$L515:
lw	$2,24($16)
move	$6,$21
move	$7,$22
beq	$2,$0,$L516
move	$4,$20

lw	$5,20($16)
sw	$fp,16($sp)
jal	new_demuxer
sw	$23,20($sp)

move	$18,$2
lw	$2,28($16)
jal	$2
move	$4,$18

beq	$2,$0,$L518
move	$17,$2

lw	$2,20($16)
lui	$6,%hi($LC39)
addiu	$6,$6,%lo($LC39)
li	$5,4			# 0x4
beq	$17,$2,$L550
li	$4,5			# 0x5

li	$2,131072			# 0x20000
beq	$17,$2,$L508
move	$4,$18

jal	free_demuxer
nop

lw	$6,112($sp)
move	$5,$17
move	$4,$20
move	$7,$21
sw	$22,16($sp)
sw	$fp,20($sp)
jal	demux_open_stream
sw	$23,24($sp)

bne	$2,$0,$L508
move	$18,$2

$L518:
jal	free_demuxer
move	$4,$18

lw	$16,0($19)
bne	$16,$0,$L515
addiu	$19,$19,4

$L549:
lui	$4,%hi(demuxer_list)
lw	$16,%lo(demuxer_list)($4)
beq	$16,$0,$L487
lui	$2,%hi(demuxer_list+4)

j	$L528
addiu	$19,$2,%lo(demuxer_list+4)

$L534:
beq	$17,$2,$L554
move	$2,$18

jal	free_demuxer
move	$4,$18

lw	$6,112($sp)
move	$5,$17
move	$4,$20
move	$7,$21
sw	$22,16($sp)
sw	$fp,20($sp)
jal	demux_open_stream
sw	$23,24($sp)

bne	$2,$0,$L508
move	$18,$2

$L532:
jal	free_demuxer
move	$4,$18

$L529:
lw	$16,0($19)
beq	$16,$0,$L487
addiu	$19,$19,4

$L528:
lw	$2,24($16)
bne	$2,$0,$L529
nop

lw	$2,28($16)
beq	$2,$0,$L529
move	$6,$21

lw	$5,20($16)
move	$4,$20
move	$7,$22
sw	$fp,16($sp)
jal	new_demuxer
sw	$23,20($sp)

move	$18,$2
lw	$2,28($16)
jal	$2
move	$4,$18

beq	$2,$0,$L532
move	$17,$2

lw	$2,20($16)
bne	$17,$2,$L534
li	$2,131072			# 0x20000

lw	$7,8($16)
lui	$6,%hi($LC39)
addiu	$6,$6,%lo($LC39)
li	$4,5			# 0x5
jal	mp_msg
li	$5,4			# 0x4

lw	$2,0($18)
lw	$2,36($2)
beq	$2,$0,$L506
move	$5,$17

jal	$2
move	$4,$18

beq	$2,$0,$L532
move	$5,$17

$L555:
move	$18,$2
$L506:
lw	$2,56($18)
sw	$5,44($18)
lw	$19,92($2)
beq	$19,$0,$L554
move	$2,$18

lw	$17,336($19)
beq	$17,$0,$L558
lw	$31,100($sp)

lwl	$2,19($17)
lw	$4,252($19)
lwr	$2,16($17)
jal	__floatsisf
sw	$2,56($sp)

move	$16,$2
lwl	$2,7($17)
lwr	$2,4($17)
sw	$2,16($sp)
lwl	$3,11($17)
lwr	$3,8($17)
sw	$3,20($sp)
lbu	$2,15($17)
lbu	$3,14($17)
sll	$2,$2,8
or	$2,$2,$3
sll	$2,$2,16
sra	$2,$2,16
sw	$2,24($sp)
jal	__extendsfdf2
lw	$4,236($19)

lui	$4,%hi($LC42)
lw	$5,%lo($LC42)($4)
move	$4,$16
sw	$3,36($sp)
jal	__mulsf3
sw	$2,32($sp)

jal	__extendsfdf2
move	$4,$2

lui	$4,%hi($LC43)
lw	$5,%lo($LC43)($4)
move	$4,$16
sw	$3,44($sp)
jal	__mulsf3
sw	$2,40($sp)

jal	__extendsfdf2
move	$4,$2

lui	$6,%hi($LC41)
addiu	$6,$6,%lo($LC41)
addiu	$7,$sp,56
li	$4,7			# 0x7
li	$5,4			# 0x4
sw	$2,48($sp)
jal	mp_msg
sw	$3,52($sp)

j	$L554
move	$2,$18

$L485:
beq	$23,$0,$L509
lui	$2,%hi(extension_parsing)

lw	$4,%lo(extension_parsing)($2)
li	$3,1			# 0x1
beq	$4,$3,$L551
nop

$L509: