wc3movie.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 1,079 行

.file	1 "wc3movie.c"
.section .mdebug.abi32
.previous
.section	.text.wc3_probe,"ax",@progbits
.align	2
.align	5
.ent	wc3_probe
.type	wc3_probe, @function
wc3_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	$2,8($4)
slt	$2,$2,12
bne	$2,$0,$L9
move	$3,$0

lw	$6,4($4)
lbu	$3,3($6)
lbu	$2,2($6)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,1($6)
lbu	$5,0($6)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,1297219584			# 0x4d520000
or	$4,$4,$3
ori	$2,$2,0x4f46
bne	$4,$2,$L2
nop

lbu	$2,11($6)
lbu	$3,10($6)
sll	$2,$2,24
sll	$3,$3,16
lbu	$5,8($6)
lbu	$4,9($6)
or	$2,$2,$3
or	$2,$2,$5
sll	$4,$4,8
or	$4,$4,$2
li	$2,1163264000			# 0x45560000
ori	$2,$2,0x4f4d
beq	$4,$2,$L6
li	$3,100			# 0x64

$L2:
move	$3,$0
$L6:
$L9:
j	$31
move	$2,$3

.set	macro
.set	reorder
.end	wc3_probe
.section	.text.wc3_read_close,"ax",@progbits
.align	2
.align	5
.ent	wc3_read_close
.type	wc3_read_close, @function
wc3_read_close:
.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
.mask	0x80000000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$31,16($sp)
lw	$2,12($4)
jal	av_free
lw	$4,8($2)

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

.set	macro
.set	reorder
.end	wc3_read_close
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Subtitle time!\012\000"
.align	2
$LC1:
.ascii	"  inglish: %s\012\000"
.align	2
$LC2:
.ascii	"  doytsch: %s\012\000"
.align	2
$LC3:
.ascii	"  fronsay: %s\012\000"
.align	2
$LC4:
.ascii	"  unrecognized WC3 chunk: %c%c%c%c (0x%02X%02X%02X%02X)\012"
.ascii	"\000"
.section	.text.wc3_read_packet,"ax",@progbits
.align	2
.align	5
.ent	wc3_read_packet
.type	wc3_read_packet, @function
wc3_read_packet:
.frame	$sp,1120,$31		# vars= 1032, regs= 9/0, args= 48, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-1120
sw	$22,1104($sp)
sw	$21,1100($sp)
sw	$20,1096($sp)
sw	$19,1092($sp)
sw	$31,1112($sp)
sw	$23,1108($sp)
sw	$18,1088($sp)
sw	$17,1084($sp)
sw	$16,1080($sp)
lw	$18,12($4)
move	$20,$4
move	$22,$5
addiu	$19,$4,16
addiu	$21,$sp,48
$L41:
move	$4,$19
$L42:
move	$5,$21
jal	get_buffer
li	$6,8			# 0x8

lbu	$3,52($sp)
lbu	$2,53($sp)
lbu	$11,51($sp)
lbu	$10,50($sp)
sll	$2,$2,16
sll	$3,$3,24
or	$3,$3,$2
lbu	$4,54($sp)
sll	$2,$10,16
lbu	$6,55($sp)
lbu	$9,49($sp)
sll	$5,$11,24
lbu	$8,48($sp)
or	$5,$5,$2
or	$3,$3,$6
sll	$2,$9,8
sll	$4,$4,8
or	$5,$5,$8
or	$4,$4,$3
or	$5,$2,$5
li	$2,1229193216			# 0x49440000
addiu	$4,$4,1
li	$3,-2			# 0xfffffffffffffffe
ori	$2,$2,0x5541
beq	$5,$2,$L16
and	$16,$4,$3

sltu	$2,$2,$5
bne	$2,$0,$L19
li	$2,1414463488			# 0x544f0000

li	$2,541130752			# 0x20410000
ori	$2,$2,0x4756
beq	$5,$2,$L15
li	$2,1212350464			# 0x48430000

ori	$2,$2,0x5242
beq	$5,$2,$L42
move	$4,$19

lui	$6,%hi($LC4)
$L43:
move	$4,$20
addiu	$6,$6,%lo($LC4)
move	$7,$8
move	$5,$0
sw	$10,36($sp)
sw	$10,20($sp)
sw	$9,32($sp)
sw	$11,40($sp)
sw	$9,16($sp)
sw	$11,24($sp)
jal	av_log
sw	$8,28($sp)

li	$10,-22			# 0xffffffffffffffea
$L24:
lw	$31,1112($sp)
lw	$23,1108($sp)
lw	$22,1104($sp)
lw	$21,1100($sp)
lw	$20,1096($sp)
lw	$19,1092($sp)
lw	$18,1088($sp)
lw	$17,1084($sp)
lw	$16,1080($sp)
move	$2,$10
j	$31
addiu	$sp,$sp,1120

$L19:
ori	$2,$2,0x4853
beq	$5,$2,$L17
li	$2,1415053312			# 0x54580000

ori	$2,$2,0x4554
bne	$5,$2,$L43
lui	$6,%hi($LC4)

sltu	$2,$16,1025
beq	$2,$0,$L42
move	$4,$19

addiu	$23,$sp,56
move	$5,$23
jal	get_buffer
move	$6,$16

bne	$16,$2,$L41
lui	$6,%hi($LC0)

move	$4,$20
addiu	$6,$6,%lo($LC0)
jal	av_log
li	$5,2			# 0x2

lui	$6,%hi($LC1)
move	$4,$20
addiu	$7,$sp,57
addiu	$6,$6,%lo($LC1)
jal	av_log
li	$5,2			# 0x2

lbu	$17,56($sp)
lui	$6,%hi($LC2)
addiu	$16,$17,1
addu	$7,$23,$16
move	$4,$20
addiu	$6,$6,%lo($LC2)
addiu	$7,$7,1
li	$5,2			# 0x2
jal	av_log
addu	$16,$21,$16

lbu	$7,8($16)
addiu	$17,$17,2
addu	$7,$7,$17
addu	$7,$23,$7
lui	$6,%hi($LC3)
addiu	$6,$6,%lo($LC3)
addiu	$7,$7,1
move	$4,$20
jal	av_log
li	$5,2			# 0x2

j	$L42
move	$4,$19

$L16:
move	$4,$19
move	$5,$22
jal	av_get_packet
move	$6,$16

lw	$6,16($18)
lw	$7,20($18)
sw	$6,0($22)
sw	$7,4($22)
lw	$4,16($18)
xor	$8,$16,$2
lw	$5,20($18)
move	$10,$2
addiu	$2,$4,6000
lw	$9,28($18)
sltu	$7,$2,$4
addu	$3,$7,$5
sw	$2,16($18)
sw	$3,20($18)
sw	$9,24($22)
li	$6,-5			# 0xfffffffffffffffb
movn	$10,$6,$8
lw	$31,1112($sp)
lw	$23,1108($sp)
lw	$22,1104($sp)
lw	$21,1100($sp)
lw	$20,1096($sp)
lw	$19,1092($sp)
lw	$18,1088($sp)
lw	$17,1084($sp)
lw	$16,1080($sp)
move	$2,$10
j	$31
addiu	$sp,$sp,1120

$L17:
move	$4,$19
move	$5,$21
jal	get_buffer
li	$6,4			# 0x4

li	$3,4			# 0x4
bne	$2,$3,$L20
lbu	$3,51($sp)

lbu	$2,50($sp)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,49($sp)
lbu	$5,48($sp)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
lw	$2,12($18)
or	$4,$4,$3
sltu	$2,$4,$2
beq	$2,$0,$L34
sll	$3,$4,10

sll	$2,$4,8
lw	$8,8($18)
subu	$6,$3,$2
move	$7,$0
li	$9,1024			# 0x400
$L25:
addu	$2,$6,$8
lbu	$3,0($2)
lbu	$5,2($2)
lbu	$4,1($2)
sll	$3,$3,16
or	$3,$3,$5
sll	$4,$4,8
addu	$2,$7,$18
or	$4,$4,$3
addiu	$7,$7,4
sw	$4,36($2)
bne	$7,$9,$L25
addiu	$6,$6,3

li	$2,1			# 0x1
j	$L41
sw	$2,32($18)

$L15:
move	$4,$19
move	$5,$22
jal	av_get_packet
move	$6,$16

move	$10,$2
lw	$3,20($18)
lw	$2,16($18)
lw	$4,24($18)
sw	$2,0($22)
sw	$3,4($22)
beq	$16,$10,$L24
sw	$4,24($22)

$L20:
li	$10,-5			# 0xfffffffffffffffb
lw	$31,1112($sp)
lw	$23,1108($sp)
lw	$22,1104($sp)
lw	$21,1100($sp)
lw	$20,1096($sp)
lw	$19,1092($sp)
lw	$18,1088($sp)
lw	$17,1084($sp)
lw	$16,1080($sp)
move	$2,$10
j	$31
addiu	$sp,$sp,1120

$L34:
j	$L24
li	$10,-22			# 0xffffffffffffffea

.set	macro
.set	reorder
.end	wc3_read_packet
.section	.text.wc3_read_header,"ax",@progbits
.align	2
.align	5
.ent	wc3_read_header
.type	wc3_read_header, @function
wc3_read_header:
.frame	$sp,96,$31		# vars= 8, regs= 9/0, args= 48, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-96
sw	$31,88($sp)
sw	$20,72($sp)
sw	$19,68($sp)
sw	$18,64($sp)
sw	$23,84($sp)
sw	$22,80($sp)
sw	$21,76($sp)
sw	$17,60($sp)
sw	$16,56($sp)
lw	$17,12($4)
li	$2,320			# 0x140
li	$3,165			# 0xa5
sw	$2,0($17)
sw	$3,4($17)
addiu	$18,$4,16
move	$2,$0
move	$3,$0
sw	$2,16($17)
sw	$0,8($17)
sw	$0,12($17)
sw	$3,20($17)
sw	$0,28($17)
sw	$0,24($17)
li	$6,12			# 0xc
move	$7,$0
li	$2,1			# 0x1
move	$19,$4
addiu	$20,$sp,48
move	$4,$18
jal	url_fseek
sw	$2,16($sp)

move	$4,$18
move	$5,$20
jal	get_buffer
li	$6,8			# 0x8

li	$3,8			# 0x8
beq	$2,$3,$L79
lbu	$2,52($sp)

$L45:
li	$8,-5			# 0xfffffffffffffffb
$L59:
lw	$31,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
move	$2,$8
j	$31
addiu	$sp,$sp,96

$L79:
lbu	$3,53($sp)
lbu	$5,55($sp)
sll	$3,$3,16
sll	$2,$2,24
lbu	$11,51($sp)
lbu	$10,50($sp)
lbu	$4,54($sp)
or	$2,$2,$3
or	$2,$2,$5
sll	$3,$10,16
sll	$4,$4,8
lbu	$9,49($sp)
sll	$5,$11,24
lbu	$8,48($sp)
or	$5,$5,$3
or	$4,$4,$2
li	$3,-2			# 0xfffffffffffffffe
sll	$2,$9,8
or	$5,$5,$8
addiu	$4,$4,1
or	$5,$2,$5
and	$4,$4,$3
li	$2,1296105472			# 0x4d410000
lui	$3,%hi(wc3_pal_lookup)
ori	$21,$2,0x4e42
addiu	$23,$3,%lo(wc3_pal_lookup)
move	$22,$0
$L47:
beq	$5,$21,$L51
sltu	$2,$21,$5

bne	$2,$0,$L54
li	$2,1480851456			# 0x58440000

li	$2,1145962496			# 0x444e0000
ori	$2,$2,0x4f53
beq	$5,$2,$L49
li	$2,1163526144			# 0x455a0000

ori	$2,$2,0x4953
beq	$5,$2,$L80
move	$4,$18

lui	$6,%hi($LC4)
$L83:
move	$4,$19
move	$7,$8
addiu	$6,$6,%lo($LC4)
move	$5,$0
sw	$8,28($sp)
sw	$9,32($sp)
sw	$10,36($sp)
sw	$11,40($sp)
sw	$9,16($sp)
sw	$10,20($sp)
jal	av_log
sw	$11,24($sp)

li	$8,-22			# 0xffffffffffffffea
lw	$31,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
move	$2,$8
j	$31
addiu	$sp,$sp,96

$L54:
ori	$2,$2,0x4e49
beq	$5,$2,$L49
li	$2,1598226432			# 0x5f430000

ori	$2,$2,0x505f
beq	$5,$2,$L53
li	$2,1414266880			# 0x544c0000

ori	$2,$2,0x4150
bne	$5,$2,$L83
lui	$6,%hi($LC4)

lw	$2,12($17)
sltu	$2,$22,$2
beq	$2,$0,$L77
sll	$3,$22,8

lw	$5,8($17)
sll	$2,$22,10
subu	$16,$2,$3
addu	$5,$16,$5
move	$4,$18
jal	get_buffer
li	$6,768			# 0x300

li	$3,768			# 0x300
bne	$2,$3,$L59
li	$8,-5			# 0xfffffffffffffffb

addiu	$6,$16,768
slt	$2,$16,$6
beq	$2,$0,$L67
move	$7,$23

$L68:
lw	$5,8($17)
addu	$5,$16,$5
lbu	$2,0($5)
addiu	$16,$16,1
srl	$3,$2,6
sll	$2,$2,2
or	$2,$2,$3
andi	$2,$2,0x00ff
addu	$2,$2,$7
lbu	$3,0($2)
slt	$4,$16,$6
bne	$4,$0,$L68
sb	$3,0($5)

$L67:
j	$L55
addiu	$22,$22,1

$L51:
sltu	$2,$4,512
li	$16,512			# 0x200
movn	$16,$4,$2
addiu	$5,$19,1216
move	$4,$18
jal	get_buffer
move	$6,$16

bne	$16,$2,$L59
li	$8,-5			# 0xfffffffffffffffb

$L55:
move	$4,$18
$L82:
move	$5,$20
jal	get_buffer
li	$6,8			# 0x8

li	$3,8			# 0x8
bne	$2,$3,$L45
lbu	$11,51($sp)

lbu	$10,50($sp)
lbu	$9,49($sp)
sll	$3,$10,16
sll	$2,$11,24
lbu	$8,48($sp)
or	$2,$2,$3
or	$2,$2,$8
sll	$3,$9,8
or	$7,$3,$2
li	$2,1212350464			# 0x48430000
ori	$2,$2,0x5242
lbu	$3,52($sp)
lbu	$5,53($sp)
lbu	$6,54($sp)
beq	$7,$2,$L70
lbu	$4,55($sp)

sll	$2,$5,16
sll	$3,$3,24
or	$3,$3,$2
or	$3,$3,$4
sll	$2,$6,8
or	$2,$2,$3
addiu	$2,$2,1
li	$3,-2			# 0xfffffffffffffffe
and	$4,$2,$3
j	$L47
move	$5,$7

$L49:
move	$6,$4
move	$7,$0
move	$4,$18
li	$2,1			# 0x1
jal	url_fseek
sw	$2,16($sp)

j	$L82
move	$4,$18

$L70:
move	$4,$19
jal	av_new_stream
move	$5,$0

bne	$2,$0,$L81
move	$16,$2

$L72:
j	$L59
li	$8,-12			# 0xfffffffffffffff4

$L53:
li	$6,8			# 0x8
move	$7,$0
move	$4,$18
li	$2,1			# 0x1
jal	url_fseek
sw	$2,16($sp)

move	$4,$18
move	$5,$20
jal	get_buffer
li	$6,4			# 0x4

li	$3,4			# 0x4
bne	$2,$3,$L45
lbu	$3,51($sp)

lbu	$2,50($sp)
lbu	$4,49($sp)
sll	$2,$2,16
lbu	$5,48($sp)
sll	$3,$3,24
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,5570560			# 0x550000
or	$4,$4,$3
ori	$2,$2,0x5555
sltu	$2,$4,$2
beq	$2,$0,$L76
sw	$4,12($17)

sll	$2,$4,10
sll	$4,$4,8
jal	av_malloc
subu	$4,$2,$4

j	$L55
sw	$2,8($17)

$L80:
move	$5,$20
jal	get_buffer
li	$6,8			# 0x8

li	$3,8			# 0x8
bne	$2,$3,$L45
lbu	$2,51($sp)

lbu	$4,50($sp)
lbu	$5,48($sp)
lbu	$3,49($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	$3,0($17)
lbu	$2,55($sp)
lbu	$4,54($sp)
lbu	$3,53($sp)
lbu	$5,52($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	$L55
sw	$3,4($17)

$L81:
li	$18,65536			# 0x10000
move	$4,$2
li	$5,33			# 0x21
li	$6,1			# 0x1
jal	av_set_pts_info
ori	$7,$18,0x5f90

lw	$3,8($16)
lw	$2,0($16)
addiu	$4,$17,32
sw	$2,24($17)
sw	$0,232($3)
lw	$2,0($17)
sw	$4,584($3)
sw	$2,40($3)
lw	$5,4($17)
li	$2,41			# 0x29
sw	$5,44($3)
sw	$2,228($3)
sw	$0,224($3)
move	$4,$19
jal	av_new_stream
move	$5,$0

beq	$2,$0,$L72
move	$16,$2

move	$4,$2
li	$5,33			# 0x21
li	$6,1			# 0x1
jal	av_set_pts_info
ori	$7,$18,0x5f90

lw	$2,8($16)
lw	$4,0($16)
li	$5,22050			# 0x5622
li	$3,1			# 0x1
li	$7,16			# 0x10
sll	$6,$5,4
move	$8,$0
sw	$4,28($17)
sw	$18,228($2)
sw	$7,272($2)
sw	$3,68($2)
sw	$6,4($2)
sw	$3,224($2)
sw	$3,232($2)
sw	$7,392($2)
j	$L59
sw	$5,64($2)

$L76:
li	$8,-1			# 0xffffffffffffffff
j	$L59
sw	$0,12($17)

$L77:
j	$L59
li	$8,-22			# 0xffffffffffffffea

.set	macro
.set	reorder
.end	wc3_read_header
.globl	wc3_demuxer
.section	.rodata.str1.4
.align	2
$LC5:
.ascii	"wc3movie\000"
.align	2
$LC6:
.ascii	"Wing Commander III movie format\000"
.data
.align	2
.type	wc3_demuxer, @object
.size	wc3_demuxer, 64
wc3_demuxer:
.word	$LC5
.word	$LC6
.word	1064
.word	wc3_probe
.word	wc3_read_header
.word	wc3_read_packet
.word	wc3_read_close
.space	36
.rdata
.align	2
.type	wc3_pal_lookup, @object
.size	wc3_pal_lookup, 256
wc3_pal_lookup:
.byte	0
.byte	3
.byte	5
.byte	7
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.ident	"GCC: (GNU) 4.1.2"