segafilm.mid

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」· MID 代码 · 共 808 行

	.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"