segafilm.s

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.file	1 "segafilm.c"
.section .mdebug.abi32
.previous
.section	.text.film_probe,"ax",@progbits
.align	2
.align	5
.ent	film_probe
.type	film_probe, @function
film_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	$2,4($4)
lbu	$3,0($2)
lbu	$5,1($2)
lbu	$6,3($2)
lbu	$4,2($2)
sll	$5,$5,16
sll	$3,$3,24
or	$3,$3,$5
or	$3,$3,$6
sll	$4,$4,8
li	$2,1179189248			# 0x46490000
or	$4,$4,$3
ori	$2,$2,0x4c4d
xor	$4,$4,$2
li	$2,100			# 0x64
j	$31
movn	$2,$0,$4

.set	macro
.set	reorder
.end	film_probe
.section	.text.film_read_close,"ax",@progbits
.align	2
.align	5
.ent	film_read_close
.type	film_read_close, @function
film_read_close:
.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	$16,12($4)
jal	av_free
lw	$4,32($16)

jal	av_free
lw	$4,48($16)

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

.set	macro
.set	reorder
.end	film_read_close
.section	.text.film_read_packet,"ax",@progbits
.align	2
.align	5
.ent	film_read_packet
.type	film_read_packet, @function
film_read_packet:
.frame	$sp,48,$31		# vars= 0, regs= 5/0, args= 24, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$19,36($sp)
sw	$31,40($sp)
sw	$18,32($sp)
sw	$17,28($sp)
sw	$16,24($sp)
lw	$16,12($4)
move	$19,$5
lw	$2,28($16)
lw	$5,36($16)
sltu	$2,$5,$2
bne	$2,$0,$L9
move	$8,$4

li	$6,-5			# 0xfffffffffffffffb
$L11:
lw	$31,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$6
j	$31
addiu	$sp,$sp,48

$L9:
lw	$4,32($16)
sll	$3,$5,5
sll	$2,$5,3
addu	$2,$2,$3
addu	$17,$2,$4
lw	$6,8($17)
lw	$7,12($17)
addiu	$18,$8,16
move	$4,$18
jal	url_fseek
sw	$0,16($sp)

lw	$4,0($17)
lw	$2,0($16)
beq	$4,$2,$L39
li	$2,44			# 0x2c

$L12:
lw	$2,4($16)
bne	$4,$2,$L18
li	$2,2			# 0x2

lw	$3,20($16)
beq	$3,$2,$L40
nop

$L18:
lw	$6,16($17)
move	$4,$18
jal	av_get_packet
move	$5,$19

move	$6,$2
lw	$2,16($17)
li	$3,-5			# 0xfffffffffffffffb
xor	$2,$6,$2
movn	$6,$3,$2
$L17:
lw	$3,0($17)
$L44:
lw	$4,24($17)
sw	$3,24($19)
lw	$2,36($16)
lw	$5,28($17)
addiu	$2,$2,1
sw	$2,36($16)
sw	$4,0($19)
sw	$5,4($19)
lw	$31,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$6
j	$31
addiu	$sp,$sp,48

$L39:
lw	$3,24($16)
bne	$3,$2,$L12
nop

jal	url_ftell
move	$4,$18

lw	$5,16($17)
sw	$2,48($19)
sw	$3,52($19)
jal	av_new_packet
move	$4,$19

beq	$2,$0,$L41
nop

j	$L11
li	$6,-12			# 0xfffffffffffffff4

$L41:
lw	$6,16($17)
lw	$5,16($19)
jal	get_buffer
move	$4,$18

j	$L17
move	$6,$0

$L40:
lw	$5,16($17)
jal	av_new_packet
move	$4,$19

bne	$2,$0,$L11
li	$6,-12			# 0xfffffffffffffff4

lw	$2,16($17)
lw	$3,52($16)
sltu	$2,$3,$2
bne	$2,$0,$L42
nop

$L22:
jal	url_ftell
move	$4,$18

lw	$5,48($16)
lw	$6,16($17)
sw	$3,52($19)
move	$4,$18
jal	get_buffer
sw	$2,48($19)

lw	$4,16($17)
move	$6,$2
xor	$3,$2,$4
li	$2,-5			# 0xfffffffffffffffb
movn	$6,$2,$3
srl	$5,$4,1
move	$7,$0
move	$8,$0
li	$9,8			# 0x8
$L37:
sltu	$2,$7,$4
beq	$2,$0,$L17
nop

$L27:
lw	$2,16($16)
beq	$2,$9,$L43
nop

lw	$2,48($16)
lw	$3,16($19)
addu	$2,$2,$8
lbu	$4,0($2)
addu	$3,$3,$7
sb	$4,0($3)
lw	$2,48($16)
lw	$3,16($19)
addu	$2,$8,$2
lbu	$4,1($2)
addu	$3,$7,$3
sb	$4,1($3)
lw	$2,48($16)
lw	$3,16($19)
addu	$2,$2,$5
lbu	$4,0($2)
addu	$3,$7,$3
sb	$4,2($3)
lw	$2,48($16)
lw	$3,16($19)
addu	$2,$5,$2
lbu	$4,1($2)
addu	$3,$7,$3
sb	$4,3($3)
lw	$4,16($17)
addiu	$7,$7,4
sltu	$2,$7,$4
addiu	$8,$8,2
bne	$2,$0,$L27
addiu	$5,$5,2

j	$L44
lw	$3,0($17)

$L43:
lw	$2,48($16)
lw	$3,16($19)
addu	$2,$2,$8
lbu	$4,0($2)
addu	$3,$3,$7
sb	$4,0($3)
lw	$2,48($16)
lw	$3,16($19)
addu	$2,$2,$5
lbu	$4,0($2)
addu	$3,$7,$3
sb	$4,1($3)
lw	$4,16($17)
addiu	$8,$8,1
addiu	$7,$7,2
j	$L37
addiu	$5,$5,1

$L42:
jal	av_free
lw	$4,48($16)

lw	$4,16($17)
jal	av_malloc
sw	$4,52($16)

j	$L22
sw	$2,48($16)

.set	macro
.set	reorder
.end	film_read_packet
.globl	__divdi3
.section	.text.film_read_header,"ax",@progbits
.align	2
.align	5
.ent	film_read_header
.type	film_read_header, @function
film_read_header:
.frame	$sp,312,$31		# vars= 256, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-312
sw	$20,288($sp)
sw	$19,284($sp)
sw	$18,280($sp)
sw	$17,276($sp)
sw	$31,308($sp)
sw	$fp,304($sp)
sw	$23,300($sp)
sw	$22,296($sp)
sw	$21,292($sp)
sw	$16,272($sp)
lw	$16,12($4)
addiu	$19,$4,16
addiu	$20,$sp,16
move	$18,$4
sw	$0,32($16)
sw	$0,48($16)
sw	$0,52($16)
move	$4,$19
move	$5,$20
jal	get_buffer
li	$6,16			# 0x10

move	$17,$2
li	$2,16			# 0x10
beq	$17,$2,$L90
lbu	$2,24($sp)

li	$2,-5			# 0xfffffffffffffffb
$L72:
lw	$31,308($sp)
lw	$fp,304($sp)
lw	$23,300($sp)
lw	$22,296($sp)
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
j	$31
addiu	$sp,$sp,312

$L90:
lbu	$4,25($sp)
lbu	$3,20($sp)
lbu	$6,21($sp)
sll	$4,$4,16
lbu	$5,26($sp)
lbu	$8,27($sp)
sll	$2,$2,24
or	$2,$2,$4
lbu	$7,23($sp)
lbu	$4,22($sp)
sll	$3,$3,24
sll	$6,$6,16
or	$3,$3,$6
or	$2,$2,$8
sll	$5,$5,8
or	$3,$3,$7
or	$5,$5,$2
sll	$4,$4,8
or	$21,$4,$3
bne	$5,$0,$L48
sw	$5,44($16)

move	$4,$19
move	$5,$20
jal	get_buffer
li	$6,20			# 0x14

li	$3,20			# 0x14
bne	$2,$3,$L72
li	$2,-5			# 0xfffffffffffffffb

li	$2,65536			# 0x10000
ori	$2,$2,0x4
li	$3,22050			# 0x5622
sw	$2,8($16)
sw	$3,12($16)
li	$2,1			# 0x1
li	$3,8			# 0x8
sw	$2,20($16)
sw	$3,16($16)
lbu	$3,16($sp)
lbu	$2,17($sp)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,18($sp)
lbu	$5,19($sp)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,1178861568			# 0x46440000
or	$4,$4,$3
ori	$2,$2,0x5343
beq	$4,$2,$L97
lbu	$3,24($sp)

lw	$31,308($sp)
$L98:
lw	$fp,304($sp)
lw	$23,300($sp)
lw	$22,296($sp)
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
li	$2,-22			# 0xffffffffffffffea
j	$31
addiu	$sp,$sp,312

$L48:
move	$4,$19
move	$5,$20
jal	get_buffer
li	$6,32			# 0x20

li	$3,32			# 0x20
bne	$2,$3,$L72
li	$2,-5			# 0xfffffffffffffffb

lbu	$2,40($sp)
lbu	$3,41($sp)
sll	$2,$2,8
or	$2,$2,$3
sw	$2,12($16)
lbu	$3,37($sp)
li	$2,8			# 0x8
sw	$3,20($16)
lbu	$3,38($sp)
beq	$3,$2,$L92
sw	$3,16($16)

beq	$3,$17,$L93
li	$2,65536			# 0x10000

sw	$0,8($16)
$L51:
lbu	$3,16($sp)
lbu	$2,17($sp)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,18($sp)
lbu	$5,19($sp)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,1178861568			# 0x46440000
or	$4,$4,$3
ori	$2,$2,0x5343
bne	$4,$2,$L98
lw	$31,308($sp)

lbu	$3,24($sp)
$L97:
lbu	$2,25($sp)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,26($sp)
lbu	$5,27($sp)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,1668677632			# 0x63760000
or	$4,$4,$3
ori	$2,$2,0x6964
beq	$4,$2,$L94
li	$2,44			# 0x2c

sw	$0,24($16)
$L63:
lw	$2,8($16)
beq	$2,$0,$L99
move	$4,$19

move	$4,$18
jal	av_new_stream
move	$5,$0

beq	$2,$0,$L61
li	$7,1			# 0x1

lw	$5,8($2)
lw	$2,0($2)
lw	$3,8($16)
sw	$2,4($16)
sw	$7,232($5)
lw	$4,20($16)
sw	$3,228($5)
sw	$4,68($5)
lw	$6,16($16)
sw	$7,224($5)
sw	$6,392($5)
lw	$8,12($16)
mul	$2,$4,$6
mul	$4,$4,$8
addiu	$7,$2,7
mul	$4,$4,$6
slt	$3,$2,0
movn	$2,$7,$3
sra	$2,$2,3
sw	$2,272($5)
sw	$4,4($5)
sw	$8,64($5)
move	$4,$19
$L99:
move	$5,$20
jal	get_buffer
li	$6,16			# 0x10

li	$3,16			# 0x10
bne	$2,$3,$L72
li	$2,-5			# 0xfffffffffffffffb

lbu	$3,16($sp)
lbu	$2,17($sp)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,18($sp)
lbu	$5,19($sp)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,1398013952			# 0x53540000
or	$4,$4,$3
ori	$2,$2,0x4142
bne	$4,$2,$L98
lw	$31,308($sp)

lbu	$2,24($sp)
lbu	$3,25($sp)
lbu	$5,27($sp)
lbu	$4,26($sp)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$4,$4,8
or	$4,$4,$2
sw	$4,40($16)
lbu	$3,28($sp)
lbu	$2,29($sp)
lbu	$4,30($sp)
sll	$2,$2,16
lbu	$5,31($sp)
sll	$3,$3,24
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,107347968			# 0x6660000
or	$4,$4,$3
ori	$2,$2,0x6666
sltu	$2,$4,$2
bne	$2,$0,$L70
sw	$4,28($16)

j	$L72
li	$2,-1			# 0xffffffffffffffff

$L92:
li	$2,65536			# 0x10000
ori	$2,$2,0x4
j	$L51
sw	$2,8($16)

$L93:
ori	$2,$2,0x1
j	$L51
sw	$2,8($16)

$L61:
j	$L72
li	$2,-12			# 0xfffffffffffffff4

$L94:
sw	$2,24($16)
move	$4,$18
jal	av_new_stream
move	$5,$0

beq	$2,$0,$L61
nop

lw	$6,8($2)
lw	$3,24($16)
lw	$2,0($2)
sw	$3,228($6)
sw	$2,0($16)
sw	$0,224($6)
sw	$0,232($6)
lbu	$2,32($sp)
lbu	$4,33($sp)
lbu	$5,35($sp)
lbu	$3,34($sp)
sll	$4,$4,16
sll	$2,$2,24
or	$2,$2,$4
or	$2,$2,$5
sll	$3,$3,8
or	$3,$3,$2
sw	$3,40($6)
lbu	$2,28($sp)
lbu	$4,29($sp)
lbu	$3,30($sp)
lbu	$5,31($sp)
sll	$2,$2,24
sll	$4,$4,16
or	$2,$2,$4
or	$2,$2,$5
sll	$3,$3,8
or	$3,$3,$2
j	$L63
sw	$3,44($6)

$L70:
sll	$2,$4,5
sll	$4,$4,3
jal	av_malloc
addu	$4,$4,$2

lw	$3,96($18)
beq	$3,$0,$L73
sw	$2,32($16)

move	$17,$18
move	$22,$0
$L75:
lw	$4,100($17)
lw	$7,40($16)
li	$5,33			# 0x21
jal	av_set_pts_info
li	$6,1			# 0x1

lw	$2,96($18)
addiu	$22,$22,1
sltu	$2,$22,$2
bne	$2,$0,$L75
addiu	$17,$17,4

$L73:
lw	$2,28($16)
beq	$2,$0,$L76
move	$23,$0

li	$2,2147418112			# 0x7fff0000
ori	$fp,$2,0xffff
move	$22,$0
j	$L78
move	$17,$0

$L96:
lbu	$3,16($sp)
lbu	$4,17($sp)
lbu	$5,19($sp)
lbu	$2,18($sp)
sll	$4,$4,16
sll	$3,$3,24
or	$3,$3,$4
or	$3,$3,$5
lw	$4,32($16)
sll	$2,$2,8
or	$2,$2,$3
addu	$17,$4,$6
addu	$2,$21,$2
sw	$2,8($17)
sw	$0,12($17)
lbu	$2,20($sp)
lbu	$3,21($sp)
lbu	$5,23($sp)
sll	$3,$3,16
lbu	$4,22($sp)
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$4,$4,8
or	$18,$4,$2
sw	$18,16($17)
lbu	$2,24($sp)
lbu	$3,25($sp)
sll	$2,$2,24
sll	$3,$3,16
lbu	$4,26($sp)
lbu	$5,27($sp)
or	$2,$2,$3
or	$2,$2,$5
sll	$4,$4,8
or	$4,$4,$2
li	$3,-1			# 0xffffffffffffffff
beq	$4,$3,$L95
move	$7,$0

lw	$2,0($16)
sw	$2,0($17)
lbu	$4,24($sp)
lbu	$5,25($sp)
lbu	$2,26($sp)
lbu	$6,27($sp)
sll	$4,$4,24
sll	$5,$5,16
or	$4,$4,$5
or	$4,$4,$6
sll	$2,$2,8
or	$2,$2,$4
and	$2,$fp,$2
sw	$2,24($17)
sw	$0,28($17)
lb	$2,24($sp)
nor	$2,$0,$2
srl	$2,$2,31
sw	$2,32($17)
$L83:
lw	$2,28($16)
addiu	$17,$23,1
sltu	$2,$17,$2
beq	$2,$0,$L76
move	$23,$17

$L78:
move	$4,$19
move	$5,$20
jal	get_buffer
li	$6,16			# 0x10

sll	$3,$17,5
sll	$4,$17,3
li	$5,16			# 0x10
beq	$2,$5,$L96
addu	$6,$4,$3

jal	av_free
lw	$4,32($16)

j	$L72
li	$2,-5			# 0xfffffffffffffffb

$L76:
move	$2,$0
j	$L72
sw	$0,36($16)

$L95:
lw	$2,4($16)
sw	$2,0($17)
lw	$4,40($16)
lw	$6,12($16)
multu	$22,$4
mflo	$4
mfhi	$5
sw	$4,24($17)
jal	__divdi3
sw	$5,28($17)

lw	$4,20($16)
lw	$5,16($16)
sw	$2,24($17)
mul	$4,$4,$5
sw	$3,28($17)
srl	$4,$4,3
divu	$0,$18,$4
teq	$4,$0,7
mflo	$4
j	$L83
addu	$22,$22,$4

.set	macro
.set	reorder
.end	film_read_header
.globl	segafilm_demuxer
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"film_cpk\000"
.align	2
$LC1:
.ascii	"Sega FILM/CPK format\000"
.data
.align	2
.type	segafilm_demuxer, @object
.size	segafilm_demuxer, 64
segafilm_demuxer:
.word	$LC0
.word	$LC1
.word	56
.word	film_probe
.word	film_read_header
.word	film_read_packet
.word	film_read_close
.space	36
.ident	"GCC: (GNU) 4.1.2"