bethsoftvid.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 876 行

	.file	1 "bethsoftvid.c"
	.section .mdebug.abi32
	.previous
	.section	.text.vid_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	vid_probe
	.type	vid_probe, @function
vid_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	$3,3($2)
	lbu	$5,2($2)
	lbu	$6,0($2)
	lbu	$4,1($2)
	sll	$5,$5,16
	sll	$3,$3,24
	or	$3,$3,$5
	or	$3,$3,$6
	sll	$4,$4,8
	li	$2,4456448			# 0x440000
	or	$4,$4,$3
	ori	$2,$2,0x4956
	xor	$4,$4,$2
	li	$2,100			# 0x64
	j	$31
	movn	$2,$0,$4

	.set	macro
	.set	reorder
	.end	vid_probe
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"reached terminating character but not all frames read.\012"
	.ascii	"\000"
	.align	2
$LC1:
	.ascii	"unknown block (character = %c, decimal = %d, hex = %x)!!"
	.ascii	"!\012\000"
	.section	.text.vid_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	vid_read_packet
	.type	vid_read_packet, @function
vid_read_packet:
	.frame	$sp,88,$31		# vars= 24, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-88
	sw	$19,60($sp)
	sw	$17,52($sp)
	sw	$31,84($sp)
	sw	$fp,80($sp)
	sw	$23,76($sp)
	sw	$22,72($sp)
	sw	$21,68($sp)
	sw	$20,64($sp)
	sw	$18,56($sp)
	sw	$16,48($sp)
	lw	$18,12($4)
	move	$17,$4
	lw	$2,12($18)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L65
	move	$19,$5
	.set	macro
	.set	reorder

$L7:
	li	$16,-5			# 0xfffffffffffffffb
$L21:
	move	$2,$16
$L73:
	lw	$31,84($sp)
	lw	$fp,80($sp)
	lw	$23,76($sp)
	lw	$22,72($sp)
	lw	$21,68($sp)
	lw	$20,64($sp)
	lw	$19,60($sp)
	lw	$18,56($sp)
	lw	$17,52($sp)
	lw	$16,48($sp)
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,88
	.set	macro
	.set	reorder

$L65:
	addiu	$20,$4,16
	.set	noreorder
	.set	nomacro
	jal	url_feof
	move	$4,$20
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L21
	li	$16,-5			# 0xfffffffffffffffb
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	get_byte
	move	$4,$20
	.set	macro
	.set	reorder

	andi	$16,$2,0x00ff
	sltu	$2,$16,5
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L16
	li	$2,124			# 0x7c
	.set	macro
	.set	reorder

	sltu	$2,$16,3
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L11
	li	$3,1			# 0x1
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$16,$3,$L11
	li	$2,2			# 0x2
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$16,$2,$L66
	li	$6,-1			# 0xffffffffffffffff
	.set	macro
	.set	reorder

	lui	$6,%hi($LC1)
$L74:
	move	$7,$16
	move	$4,$17
	addiu	$6,$6,%lo($LC1)
	move	$5,$0
	sw	$16,16($sp)
	.set	noreorder
	.set	nomacro
	jal	av_log
	sw	$16,20($sp)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L21
	li	$16,-1			# 0xffffffffffffffff
	.set	macro
	.set	reorder

$L16:
	.set	noreorder
	.set	nomacro
	beq	$16,$2,$L14
	li	$2,125			# 0x7d
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$16,$2,$L15
	li	$2,20			# 0x14
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$16,$2,$L74
	lui	$6,%hi($LC1)
	.set	macro
	.set	reorder

	lw	$2,0($18)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L75
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	lui	$6,%hi($LC0)
	move	$4,$17
	addiu	$6,$6,%lo($LC0)
	.set	noreorder
	.set	nomacro
	jal	av_log
	li	$5,1			# 0x1
	.set	macro
	.set	reorder

	li	$2,1			# 0x1
$L75:
	li	$16,-5			# 0xfffffffffffffffb
	.set	noreorder
	.set	nomacro
	j	$L21
	sw	$2,12($18)
	.set	macro
	.set	reorder

$L11:
	lw	$2,100($17)
	li	$4,1000			# 0x3e8
	lw	$3,8($2)
	li	$2,1000			# 0x3e8
	lw	$6,44($3)
	lw	$5,40($3)
	sw	$2,24($sp)
	mul	$2,$5,$6
	.set	noreorder
	.set	nomacro
	jal	av_malloc
	sw	$2,32($sp)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L23
	move	$21,$2
	.set	macro
	.set	reorder

	move	$4,$20
	.set	noreorder
	.set	nomacro
	jal	url_ftell
	andi	$fp,$16,0x00ff
	.set	macro
	.set	reorder

	sw	$2,40($sp)
	sw	$3,44($sp)
	sb	$fp,0($21)
	lw	$16,8($18)
	lw	$17,4($18)
	.set	noreorder
	.set	nomacro
	jal	get_le16
	move	$4,$20
	.set	macro
	.set	reorder

	addu	$16,$16,$17
	addu	$2,$2,$16
	sw	$2,8($18)
	li	$2,4			# 0x4
	.set	noreorder
	.set	nomacro
	bne	$fp,$2,$L67
	move	$4,$20
	.set	macro
	.set	reorder

	addiu	$5,$21,1
	.set	noreorder
	.set	nomacro
	jal	get_buffer
	li	$6,2			# 0x2
	.set	macro
	.set	reorder

	li	$3,2			# 0x2
	beq	$2,$3,$L68
$L28:
	.set	noreorder
	.set	nomacro
	jal	av_free
	move	$4,$21
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L21
	li	$16,-1			# 0xffffffffffffffff
	.set	macro
	.set	reorder

$L14:
	.set	noreorder
	.set	nomacro
	jal	get_le16
	move	$4,$20
	.set	macro
	.set	reorder

	lw	$3,104($17)
	move	$4,$20
	.set	noreorder
	.set	nomacro
	jal	get_byte
	lw	$16,8($3)
	.set	macro
	.set	reorder

	li	$3,256			# 0x100
	subu	$3,$3,$2
	li	$2,983040			# 0xf0000
	ori	$2,$2,0x4240
	div	$0,$2,$3
	teq	$3,$0,7
	lw	$4,104($17)
	lw	$5,8($4)
	lw	$3,68($5)
	lw	$6,392($5)
	mflo	$2
	sw	$2,64($16)
	lw	$4,64($5)
	mul	$3,$3,$4
	mul	$3,$3,$6
	sw	$3,4($5)
$L15:
	.set	noreorder
	.set	nomacro
	jal	get_le16
	move	$4,$20
	.set	macro
	.set	reorder

	move	$6,$2
	move	$4,$20
	move	$5,$19
	.set	noreorder
	.set	nomacro
	jal	av_get_packet
	move	$16,$2
	.set	macro
	.set	reorder

	li	$3,1			# 0x1
	.set	noreorder
	.set	nomacro
	bne	$16,$2,$L7
	sw	$3,24($19)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L73
	move	$2,$16
	.set	macro
	.set	reorder

$L23:
	.set	noreorder
	.set	nomacro
	j	$L21
	li	$16,-12			# 0xfffffffffffffff4
	.set	macro
	.set	reorder

$L68:
	li	$16,3			# 0x3
$L27:
	.set	noreorder
	.set	nomacro
	j	$L30
	move	$22,$0
	.set	macro
	.set	reorder

$L71:
	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$fp,$2,$L69
	move	$4,$20
	.set	macro
	.set	reorder

$L34:
	andi	$2,$17,0x7f
$L77:
	lw	$3,32($sp)
	addu	$22,$22,$2
	.set	noreorder
	.set	nomacro
	beq	$3,$22,$L70
	slt	$2,$3,$22
	.set	macro
	.set	reorder

	bne	$2,$0,$L28
	.set	noreorder
	.set	nomacro
	beq	$17,$0,$L76
	move	$4,$19
	.set	macro
	.set	reorder

$L30:
	move	$4,$21
	addiu	$6,$16,1000
	.set	noreorder
	.set	nomacro
	jal	av_fast_realloc
	addiu	$5,$sp,24
	.set	macro
	.set	reorder

	move	$23,$2
	move	$4,$20
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L23
	move	$21,$2
	.set	macro
	.set	reorder

	jal	get_byte
	move	$17,$2
	slt	$3,$17,128
	addu	$2,$23,$16
	sb	$17,0($2)
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L71
	addiu	$16,$16,1
	.set	macro
	.set	reorder

	addu	$5,$23,$16
	move	$4,$20
	.set	noreorder
	.set	nomacro
	beq	$17,$0,$L34
	move	$6,$17
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	get_buffer
	addu	$16,$16,$17
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$17,$2,$L77
	andi	$2,$17,0x7f
	.set	macro
	.set	reorder

	j	$L28
$L70:
	.set	noreorder
	.set	nomacro
	jal	get_byte
	move	$4,$20
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L76
	move	$4,$19
	.set	macro
	.set	reorder

	li	$2,1			# 0x1
	move	$4,$20
	li	$6,-1			# 0xffffffffffffffff
	li	$7,-1			# 0xffffffffffffffff
	.set	noreorder
	.set	nomacro
	jal	url_fseek
	sw	$2,16($sp)
	.set	macro
	.set	reorder

	move	$4,$19
$L76:
	.set	noreorder
	.set	nomacro
	jal	av_new_packet
	move	$5,$16
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bltz	$2,$L28
	sltu	$2,$16,32
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L44
	lw	$4,16($19)
	.set	macro
	.set	reorder

	andi	$2,$4,0x3
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L44
	andi	$2,$23,0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L78
	move	$5,$23
	.set	macro
	.set	reorder

	li	$2,-32			# 0xffffffffffffffe0
	addiu	$4,$4,-4
	and	$2,$16,$2
	addu	$6,$4,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L48
	addiu	$5,$23,-4
	.set	macro
	.set	reorder

$L59:
#APP
	S32LDI xr1,$5,4
	S32LDI xr2,$5,4
	S32LDI xr3,$5,4
	S32LDI xr4,$5,4
	S32LDI xr5,$5,4
	S32LDI xr6,$5,4
	S32LDI xr7,$5,4
	S32LDI xr8,$5,4
	S32SDI xr1,$4,4
	S32SDI xr2,$4,4
	S32SDI xr3,$4,4
	S32SDI xr4,$4,4
	S32SDI xr5,$4,4
	S32SDI xr6,$4,4
	S32SDI xr7,$4,4
	S32SDI xr8,$4,4
#NO_APP
	sltu	$2,$4,$6
	bne	$2,$0,$L59
$L48:
	andi	$2,$16,0x1c
	addu	$6,$6,$2
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L79
	andi	$3,$16,0x3
	.set	macro
	.set	reorder

$L60:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$6
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L60
	andi	$3,$16,0x3
	.set	macro
	.set	reorder

$L79:
	li	$2,2			# 0x2
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L54
	li	$2,3			# 0x3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L55
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	bne	$3,$2,$L52
	lbu	$2,4($5)
	sb	$2,4($4)
$L52:
	.set	noreorder
	.set	nomacro
	jal	av_free
	move	$4,$23
	.set	macro
	.set	reorder

	sw	$0,24($19)
	lw	$3,40($sp)
	lw	$6,8($18)
	lw	$2,0($18)
	addiu	$4,$3,-1
	sra	$5,$4,31
	sra	$3,$6,31
	addiu	$2,$2,-1
	sw	$3,4($19)
	sw	$2,0($18)
	sw	$5,52($19)
	sw	$4,48($19)
	.set	noreorder
	.set	nomacro
	j	$L21
	sw	$6,0($19)
	.set	macro
	.set	reorder

$L44:
	move	$5,$23
$L78:
	.set	noreorder
	.set	nomacro
	jal	memcpy
	move	$6,$16
	.set	macro
	.set	reorder

	j	$L52
$L67:
	.set	noreorder
	.set	nomacro
	j	$L27
	li	$16,1			# 0x1
	.set	macro
	.set	reorder

$L66:
	li	$7,-1			# 0xffffffffffffffff
	move	$4,$20
	.set	noreorder
	.set	nomacro
	jal	url_fseek
	sw	$3,16($sp)
	.set	macro
	.set	reorder

	move	$4,$20
	move	$5,$19
	.set	noreorder
	.set	nomacro
	jal	av_get_packet
	li	$6,769			# 0x301
	.set	macro
	.set	reorder

	move	$16,$2
	li	$2,769			# 0x301
	bne	$16,$2,$L72
	.set	noreorder
	.set	nomacro
	j	$L21
	sw	$0,24($19)
	.set	macro
	.set	reorder

$L69:
	jal	get_byte
	addu	$3,$23,$16
	addiu	$16,$16,1
	.set	noreorder
	.set	nomacro
	j	$L34
	sb	$2,0($3)
	.set	macro
	.set	reorder

$L72:
	.set	noreorder
	.set	nomacro
	beq	$19,$0,$L21
	li	$16,-5			# 0xfffffffffffffffb
	.set	macro
	.set	reorder

	lw	$2,36($19)
	beq	$2,$0,$L21
	.set	noreorder
	.set	nomacro
	jal	$2
	move	$4,$19
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L21
	li	$16,-5			# 0xfffffffffffffffb
	.set	macro
	.set	reorder

$L55:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	sb	$3,5($4)
	lbu	$2,6($5)
	.set	noreorder
	.set	nomacro
	j	$L52
	sb	$2,6($4)
	.set	macro
	.set	reorder

$L54:
	lbu	$2,4($5)
	sb	$2,4($4)
	lbu	$3,5($5)
	.set	noreorder
	.set	nomacro
	j	$L52
	sb	$3,5($4)
	.set	macro
	.set	reorder

	.end	vid_read_packet
	.section	.text.vid_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	vid_read_header
	.type	vid_read_header, @function
vid_read_header:
	.frame	$sp,56,$31		# vars= 0, regs= 7/0, args= 24, gp= 0
	.mask	0x803f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$21,44($sp)
	sw	$18,32($sp)
	li	$21,1			# 0x1
	addiu	$18,$4,16
	sw	$31,48($sp)
	li	$6,5			# 0x5
	move	$7,$0
	sw	$19,36($sp)
	sw	$17,28($sp)
	move	$19,$4
	sw	$20,40($sp)
	sw	$16,24($sp)
	move	$4,$18
	sw	$21,16($sp)
	jal	url_fseek
	lw	$20,12($19)

	jal	get_le16
	move	$4,$18

	sw	$2,0($20)
	move	$4,$19
	jal	av_new_stream
	move	$5,$0

	move	$17,$2
	li	$6,1			# 0x1
	li	$7,60			# 0x3c
	li	$5,32			# 0x20
	bne	$2,$0,$L86
	move	$4,$2

$L81:
	li	$4,-12			# 0xfffffffffffffff4
$L84:
	lw	$31,48($sp)
	lw	$21,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,56

$L86:
	jal	av_set_pts_info
	nop

	lw	$16,8($17)
	li	$2,107			# 0x6b
	sw	$2,228($16)
	sw	$0,224($16)
	jal	get_le16
	move	$4,$18

	sw	$2,40($16)
	move	$4,$18
	jal	get_le16
	lw	$16,8($17)

	lw	$3,8($17)
	sw	$2,44($16)
	li	$2,14			# 0xe
	sw	$2,52($3)
	jal	get_le16
	move	$4,$18

	sw	$2,4($20)
	jal	get_le16
	move	$4,$18

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

	li	$5,11025			# 0x2b11
	sll	$3,$5,3
	beq	$2,$0,$L81
	move	$4,$0

	lw	$2,8($2)
	sw	$3,4($2)
	li	$3,65536			# 0x10000
	ori	$3,$3,0x5
	sw	$3,228($2)
	li	$3,8			# 0x8
	sw	$21,68($2)
	sw	$3,392($2)
	sw	$21,224($2)
	j	$L84
	sw	$5,64($2)

	.set	macro
	.set	reorder
	.end	vid_read_header
	.globl	bethsoftvid_demuxer
	.section	.rodata.str1.4
	.align	2
$LC2:
	.ascii	"bethsoftvid\000"
	.align	2
$LC3:
	.ascii	"Bethesda Softworks 'Daggerfall' VID format\000"
	.data
	.align	2
	.type	bethsoftvid_demuxer, @object
	.size	bethsoftvid_demuxer, 64
bethsoftvid_demuxer:
	.word	$LC2
	.word	$LC3
	.word	16
	.word	vid_probe
	.word	vid_read_header
	.word	vid_read_packet
	.space	40
	.ident	"GCC: (GNU) 4.1.2"