dsicin.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 432 行

.file	1 "dsicin.c"
.section .mdebug.abi32
.previous
.section	.text.cin_probe,"ax",@progbits
.align	2
.align	5
.ent	cin_probe
.type	cin_probe, @function
cin_probe:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lw	$6,4($4)
lbu	$2,3($6)
lbu	$3,2($6)
sll	$2,$2,24
sll	$3,$3,16
lbu	$4,1($6)
lbu	$5,0($6)
or	$2,$2,$3
or	$2,$2,$5
sll	$4,$4,8
or	$4,$4,$2
li	$3,1437204480			# 0x55aa0000
beq	$4,$3,$L10
nop

$L2:
move	$3,$0
$L7:
$L11:
j	$31
move	$2,$3

$L10:
lbu	$3,15($6)
lbu	$2,14($6)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,13($6)
lbu	$5,12($6)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
or	$4,$4,$3
li	$2,22050			# 0x5622
bne	$4,$2,$L11
move	$3,$0

lbu	$3,16($6)
li	$2,16			# 0x10
bne	$3,$2,$L11
move	$3,$0

lbu	$2,17($6)
bne	$2,$0,$L2
li	$3,100			# 0x64

j	$L7
nop

.set	macro
.set	reorder
.end	cin_probe
.section	.text.cin_read_packet,"ax",@progbits
.align	2
.align	5
.ent	cin_read_packet
.type	cin_read_packet, @function
cin_read_packet:
.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$19,28($sp)
sw	$16,16($sp)
sw	$31,40($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$18,24($sp)
sw	$17,20($sp)
lw	$18,12($4)
move	$19,$5
lw	$5,76($18)
bne	$5,$0,$L13
addiu	$16,$4,16

move	$4,$16
jal	get_byte
addiu	$17,$18,56

sw	$2,4($17)
jal	get_byte
move	$4,$16

sw	$2,56($18)
jal	get_le16
move	$4,$16

sw	$2,8($17)
jal	get_le32
move	$4,$16

sw	$2,16($17)
jal	get_le32
move	$4,$16

sw	$2,12($17)
jal	url_feof
move	$4,$16

beq	$2,$0,$L31
nop

$L25:
li	$3,-5			# 0xfffffffffffffffb
$L20:
lw	$31,40($sp)
$L33:
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,48

$L31:
jal	url_ferror
move	$4,$16

bne	$2,$0,$L20
li	$3,-5			# 0xfffffffffffffffb

jal	get_le32
move	$4,$16

li	$3,-1437270016			# 0xffffffffaa550000
ori	$3,$3,0xaa55
beq	$2,$3,$L18
li	$3,-22			# 0xffffffffffffffea

j	$L33
lw	$31,40($sp)

$L13:
jal	av_new_packet
move	$4,$19

bne	$2,$0,$L20
li	$3,-12			# 0xfffffffffffffff4

lw	$2,0($18)
lw	$10,40($18)
sw	$2,24($19)
lw	$6,76($18)
lw	$4,32($18)
sll	$2,$6,1
div	$0,$2,$4
teq	$4,$0,7
lw	$11,44($18)
lw	$5,16($19)
sw	$10,0($19)
sw	$11,4($19)
mflo	$2
sra	$3,$2,31
addu	$8,$10,$2
sltu	$4,$8,$10
addu	$9,$11,$3
addu	$9,$4,$9
sw	$8,40($18)
sw	$9,44($18)
jal	get_buffer
move	$4,$16

lw	$3,76($18)
bne	$2,$3,$L25
move	$3,$0

j	$L20
sw	$0,76($18)

$L18:
lw	$5,8($17)
sll	$2,$5,16
sra	$2,$2,16
bltz	$2,$L21
li	$21,1			# 0x1

move	$21,$0
li	$6,3			# 0x3
$L22:
mul	$3,$6,$5
lw	$2,16($17)
move	$4,$19
addu	$20,$3,$2
jal	av_new_packet
addiu	$5,$20,4

bne	$2,$0,$L20
li	$3,-12			# 0xfffffffffffffff4

lw	$4,48($18)
lw	$5,52($18)
addiu	$2,$4,1
lw	$7,4($18)
lw	$8,16($19)
sltu	$6,$2,$4
addu	$3,$6,$5
sw	$7,24($19)
sw	$4,0($19)
sw	$5,4($19)
sw	$2,48($18)
sw	$3,52($18)
sb	$21,0($8)
lw	$5,16($19)
lw	$3,8($17)
move	$4,$16
sb	$3,1($5)
lw	$2,8($17)
lw	$3,16($19)
sra	$2,$2,8
sb	$2,2($3)
lw	$5,16($19)
lw	$2,4($17)
move	$6,$20
sb	$2,3($5)
lw	$5,16($19)
jal	get_buffer
addiu	$5,$5,4

bne	$20,$2,$L25
move	$3,$0

lw	$2,12($17)
j	$L20
sw	$2,76($18)

$L21:
subu	$5,$0,$2
li	$6,4			# 0x4
j	$L22
sw	$5,8($17)

.set	macro
.set	reorder
.end	cin_read_packet
.section	.text.cin_read_header,"ax",@progbits
.align	2
.align	5
.ent	cin_read_header
.type	cin_read_header, @function
cin_read_header:
.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$16,16($sp)
addiu	$16,$4,16
sw	$19,28($sp)
sw	$31,32($sp)
sw	$18,24($sp)
sw	$17,20($sp)
move	$19,$4
move	$4,$16
jal	get_le32
lw	$18,12($19)

li	$3,1437204480			# 0x55aa0000
bne	$2,$3,$L43
li	$8,-22			# 0xffffffffffffffea

jal	get_le32
move	$4,$16

sw	$2,8($18)
move	$4,$16
jal	get_le16
addiu	$17,$18,8

sw	$2,4($17)
jal	get_le16
move	$4,$16

sw	$2,8($17)
jal	get_le32
move	$4,$16

sw	$2,12($17)
jal	get_byte
move	$4,$16

sw	$2,16($17)
jal	get_byte
move	$4,$16

sw	$2,20($17)
jal	get_le16
move	$4,$16

lw	$3,12($17)
sw	$2,24($17)
li	$2,22050			# 0x5622
beq	$3,$2,$L47
li	$2,16			# 0x10

li	$8,-22			# 0xffffffffffffffea
$L43:
lw	$31,32($sp)
$L49:
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$8
j	$31
addiu	$sp,$sp,40

$L47:
lw	$3,16($17)
bne	$3,$2,$L43
li	$8,-22			# 0xffffffffffffffea

lw	$2,20($17)
bne	$2,$0,$L49
lw	$31,32($sp)

move	$2,$0
move	$3,$0
sw	$2,48($18)
sw	$3,52($18)
sw	$2,40($18)
sw	$3,44($18)
sw	$0,76($18)
move	$4,$19
jal	av_new_stream
move	$5,$0

bne	$2,$0,$L48
move	$16,$2

$L41:
j	$L43
li	$8,-12			# 0xfffffffffffffff4

$L48:
move	$4,$16
li	$5,32			# 0x20
li	$6,1			# 0x1
jal	av_set_pts_info
li	$7,12			# 0xc

lw	$3,8($16)
lw	$2,0($16)
sw	$0,224($3)
sw	$2,4($18)
sw	$0,232($3)
lw	$4,4($17)
li	$2,97			# 0x61
sw	$4,40($3)
sw	$2,228($3)
lw	$2,8($17)
move	$4,$19
sw	$2,44($3)
jal	av_new_stream
move	$5,$0

beq	$2,$0,$L41
move	$16,$2

move	$4,$2
li	$5,32			# 0x20
li	$6,1			# 0x1
jal	av_set_pts_info
li	$7,22050			# 0x5622

lw	$2,0($16)
lw	$3,8($16)
sw	$2,0($18)
li	$4,22050			# 0x5622
li	$2,65536			# 0x10000
li	$6,1			# 0x1
li	$7,16			# 0x10
sll	$5,$4,4
ori	$2,$2,0x501d
move	$8,$0
sw	$7,272($3)
sw	$2,228($3)
sw	$6,68($3)
sw	$5,4($3)
sw	$6,224($3)
sw	$0,232($3)
sw	$4,64($3)
j	$L43
sw	$7,392($3)

.set	macro
.set	reorder
.end	cin_read_header
.globl	dsicin_demuxer
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"dsicin\000"
.align	2
$LC1:
.ascii	"Delphine Software International CIN format\000"
.data
.align	2
.type	dsicin_demuxer, @object
.size	dsicin_demuxer, 64
dsicin_demuxer:
.word	$LC0
.word	$LC1
.word	80
.word	cin_probe
.word	cin_read_header
.word	cin_read_packet
.space	40
.ident	"GCC: (GNU) 4.1.2"