nuv.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 901 行

	.file	1 "nuv.c"
	.section .mdebug.abi32
	.previous
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"Video packet in file without video stream!\012\000"
	.align	2
$LC1:
	.ascii	"Audio packet in file without audio stream!\012\000"
	.section	.text.nuv_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	nuv_packet
	.type	nuv_packet, @function
nuv_packet:
	.frame	$sp,64,$31		# vars= 16, regs= 8/0, args= 16, gp= 0
	.mask	0x807f0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-64
	sw	$22,56($sp)
	sw	$21,52($sp)
	sw	$20,48($sp)
	sw	$16,32($sp)
	sw	$31,60($sp)
	sw	$19,44($sp)
	sw	$18,40($sp)
	sw	$17,36($sp)
	lw	$19,12($4)
	move	$20,$4
	move	$22,$5
	addiu	$16,$4,16
	addiu	$21,$sp,16
$L46:
	.set	noreorder
	.set	nomacro
	jal	url_feof
	move	$4,$16
	.set	macro
	.set	reorder

	bne	$2,$0,$L48
$L3:
	lw	$2,8($19)
	li	$6,12			# 0xc
	li	$18,12			# 0xc
	move	$4,$16
	move	$5,$21
	.set	noreorder
	.set	nomacro
	jal	get_buffer
	movz	$18,$0,$2
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	blez	$2,$L49
	move	$6,$2
	.set	macro
	.set	reorder

	lbu	$3,27($sp)
	lbu	$2,26($sp)
	lbu	$5,24($sp)
	sll	$2,$2,16
	sll	$3,$3,24
	lbu	$4,25($sp)
	or	$3,$3,$2
	or	$3,$3,$5
	sll	$4,$4,8
	li	$2,16711680			# 0xff0000
	lbu	$5,16($sp)
	or	$4,$4,$3
	ori	$2,$2,0xffff
	li	$3,68			# 0x44
	.set	noreorder
	.set	nomacro
	beq	$5,$3,$L13
	and	$17,$4,$2
	.set	macro
	.set	reorder

	sltu	$2,$5,69
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L15
	li	$2,82			# 0x52
	.set	macro
	.set	reorder

	li	$2,65			# 0x41
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L50
	move	$4,$16
	.set	macro
	.set	reorder

$L53:
	move	$6,$17
	.set	noreorder
	.set	nomacro
	jal	url_fskip
	move	$7,$0
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	url_feof
	move	$4,$16
	.set	macro
	.set	reorder

	beq	$2,$0,$L3
$L48:
	li	$6,-5			# 0xfffffffffffffffb
$L9:
	lw	$31,60($sp)
$L55:
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	move	$2,$6
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,64
	.set	macro
	.set	reorder

$L15:
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L46
	li	$2,86			# 0x56
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$5,$2,$L53
	move	$4,$16
	.set	macro
	.set	reorder

	lw	$2,0($19)
	.set	noreorder
	.set	nomacro
	bgez	$2,$L17
	lui	$6,%hi($LC0)
	.set	macro
	.set	reorder

$L54:
	addiu	$6,$6,%lo($LC0)
$L45:
	move	$4,$20
	.set	noreorder
	.set	nomacro
	jal	av_log
	move	$5,$0
	.set	macro
	.set	reorder

	move	$6,$17
	move	$7,$0
	.set	noreorder
	.set	nomacro
	jal	url_fskip
	move	$4,$16
	.set	macro
	.set	reorder

	j	$L46
$L13:
	lw	$2,8($19)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L53
	move	$4,$16
	.set	macro
	.set	reorder

	lw	$2,0($19)
	.set	noreorder
	.set	nomacro
	bltz	$2,$L54
	lui	$6,%hi($LC0)
	.set	macro
	.set	reorder

$L17:
	move	$4,$22
	.set	noreorder
	.set	nomacro
	jal	av_new_packet
	addu	$5,$18,$17
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bltz	$2,$L9
	move	$6,$2
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	url_ftell
	move	$4,$16
	.set	macro
	.set	reorder

	lbu	$8,23($sp)
	lbu	$4,22($sp)
	lbu	$5,20($sp)
	lbu	$9,21($sp)
	sll	$4,$4,16
	sll	$8,$8,24
	or	$8,$8,$4
	or	$8,$8,$5
	subu	$4,$2,$18
	move	$7,$0
	sll	$9,$9,8
	or	$9,$9,$8
	subu	$5,$3,$7
	sltu	$8,$2,$4
	lw	$10,0($19)
	subu	$5,$5,$8
	sra	$2,$9,31
	sltu	$3,$18,32
	sw	$4,48($22)
	sw	$5,52($22)
	sw	$2,4($22)
	sw	$10,24($22)
	sw	$9,0($22)
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L20
	lw	$4,16($22)
	.set	macro
	.set	reorder

	andi	$2,$4,0x3
	beq	$2,$0,$L52
$L20:
	move	$5,$21
	.set	noreorder
	.set	nomacro
	jal	memcpy
	move	$6,$18
	.set	macro
	.set	reorder

$L28:
	lw	$5,16($22)
	move	$6,$17
	move	$4,$16
	.set	noreorder
	.set	nomacro
	jal	get_buffer
	addu	$5,$18,$5
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L9
	move	$6,$2
	.set	macro
	.set	reorder

$L50:
	lw	$2,4($19)
	bgez	$2,$L32
	lui	$6,%hi($LC1)
	.set	noreorder
	.set	nomacro
	j	$L45
	addiu	$6,$6,%lo($LC1)
	.set	macro
	.set	reorder

$L49:
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L55
	lw	$31,60($sp)
	.set	macro
	.set	reorder

	li	$6,-1			# 0xffffffffffffffff
	lw	$22,56($sp)
	lw	$21,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	move	$2,$6
	.set	noreorder
	.set	nomacro
	j	$31
	addiu	$sp,$sp,64
	.set	macro
	.set	reorder

$L52:
	addiu	$4,$4,-4
	addu	$6,$4,$18
	sltu	$3,$4,$6
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L26
	addiu	$5,$sp,12
	.set	macro
	.set	reorder

$L40:
#APP
	S32LDI xr1,$5,4
	S32SDI xr1,$4,4
#NO_APP
	sltu	$2,$4,$6
	bne	$2,$0,$L40
$L26:
	andi	$3,$18,0x3
	li	$2,3			# 0x3
	.set	noreorder
	.set	nomacro
	beq	$3,$2,$L31
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

	bne	$3,$2,$L28
	lbu	$2,4($5)
	.set	noreorder
	.set	nomacro
	j	$L28
	sb	$2,4($4)
	.set	macro
	.set	reorder

$L32:
	move	$4,$16
	move	$6,$17
	.set	noreorder
	.set	nomacro
	jal	av_get_packet
	move	$5,$22
	.set	macro
	.set	reorder

	move	$6,$2
	lbu	$3,22($sp)
	lbu	$2,23($sp)
	lbu	$4,21($sp)
	lbu	$5,20($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
	lw	$3,4($19)
	sra	$2,$4,31
	sw	$3,24($22)
	sw	$2,4($22)
	.set	noreorder
	.set	nomacro
	j	$L9
	sw	$4,0($22)
	.set	macro
	.set	reorder

$L31:
	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	$L28
	sb	$2,6($4)
	.set	macro
	.set	reorder

	.end	nuv_packet
	.section	.rodata.str1.4
	.align	2
$LC2:
	.ascii	"NuppelVideo\000"
	.align	2
$LC3:
	.ascii	"MythTVVideo\000"
	.section	.text.nuv_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	nuv_probe
	.type	nuv_probe, @function
nuv_probe:
	.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	$16,4($4)
	lui	$5,%hi($LC2)
	addiu	$5,$5,%lo($LC2)
	move	$4,$16
	jal	memcmp
	li	$6,12			# 0xc

	lui	$5,%hi($LC3)
	move	$4,$16
	addiu	$5,$5,%lo($LC3)
	bne	$2,$0,$L62
	li	$6,12			# 0xc

$L57:
	li	$3,100			# 0x64
	lw	$31,20($sp)
$L63:
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

$L62:
	jal	memcmp
	nop

	beq	$2,$0,$L57
	move	$3,$0

	j	$L63
	lw	$31,20($sp)

	.set	macro
	.set	reorder
	.end	nuv_probe
	.section	.text.nuv_header,"ax",@progbits
	.align	2
	.align	5
	.ent	nuv_header
	.type	nuv_header, @function
nuv_header:
	.frame	$sp,120,$31		# vars= 56, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-120
	sw	$31,116($sp)
	sw	$fp,112($sp)
	sw	$23,108($sp)
	sw	$22,104($sp)
	sw	$21,100($sp)
	sw	$19,92($sp)
	sw	$18,88($sp)
	sw	$16,80($sp)
	sw	$20,96($sp)
	sw	$17,84($sp)
	move	$21,$4
	addiu	$18,$4,16
	addiu	$16,$sp,29
	lw	$2,12($21)
	move	$5,$16
	li	$6,12			# 0xc
	move	$4,$18
	jal	get_buffer
	sw	$2,72($sp)

	lui	$5,%hi($LC3)
	move	$4,$16
	addiu	$5,$5,%lo($LC3)
	jal	memcmp
	li	$6,12			# 0xc

	sltu	$2,$2,1
	addiu	$5,$sp,24
	li	$6,5			# 0x5
	move	$4,$18
	jal	get_buffer
	sw	$2,56($sp)

	li	$6,3			# 0x3
	move	$7,$0
	jal	url_fskip
	move	$4,$18

	jal	get_le32
	move	$4,$18

	move	$4,$18
	jal	get_le32
	sw	$2,76($sp)

	move	$4,$18
	jal	get_le32
	move	$fp,$2

	jal	get_le32
	move	$4,$18

	jal	get_byte
	move	$4,$18

	li	$6,3			# 0x3
	move	$7,$0
	jal	url_fskip
	move	$4,$18

	jal	get_le64
	move	$4,$18

	move	$5,$3
	jal	av_int2dbl
	move	$4,$2

	move	$4,$18
	move	$22,$2
	jal	get_le64
	move	$23,$3

	move	$5,$3
	jal	av_int2dbl
	move	$4,$2

	move	$4,$18
	sw	$3,68($sp)
	jal	get_le32
	sw	$2,64($sp)

	move	$4,$18
	jal	get_le32
	move	$16,$2

	move	$4,$18
	jal	get_le32
	move	$19,$2

	jal	get_le32
	move	$4,$18

	bne	$16,$0,$L98
	lw	$3,72($sp)

	li	$2,-1			# 0xffffffffffffffff
	sw	$2,0($3)
	move	$20,$0
	move	$2,$0
$L67:
	bne	$19,$0,$L99
	lw	$4,72($sp)

	li	$2,-1			# 0xffffffffffffffff
	sw	$2,4($4)
	bne	$20,$0,$L96
	move	$22,$0

	j	$L103
	lw	$2,56($sp)

$L102:
	li	$2,88			# 0x58
	beq	$3,$2,$L78
	li	$2,68			# 0x44

	beq	$3,$2,$L101
	li	$6,7			# 0x7

	move	$7,$0
	jal	url_fskip
	move	$4,$18

	jal	get_le32
	move	$4,$18

	li	$3,16711680			# 0xff0000
	ori	$3,$3,0xffff
	and	$2,$2,$3
	move	$6,$2
	move	$7,$0
$L79:
	jal	url_fskip
	move	$4,$18

$L96:
	jal	url_feof
	move	$4,$18

	bne	$2,$0,$L73
	nop

	jal	get_byte
	move	$4,$18

	li	$16,82			# 0x52
	bne	$2,$16,$L102
	move	$3,$2

	li	$6,11			# 0xb
	j	$L79
	move	$7,$0

$L78:
	li	$6,7			# 0x7
	move	$7,$0
	jal	url_fskip
	move	$4,$18

	jal	get_le32
	move	$4,$18

	li	$3,16711680			# 0xff0000
	ori	$3,$3,0xffff
	and	$3,$2,$3
	li	$2,512			# 0x200
	beq	$3,$2,$L85
	move	$6,$3

	j	$L79
	move	$7,$0

$L101:
	jal	get_byte
	move	$4,$18

	move	$4,$18
	li	$6,6			# 0x6
	move	$7,$0
	jal	url_fskip
	move	$19,$2

	jal	get_le32
	move	$4,$18

	li	$3,16711680			# 0xff0000
	ori	$3,$3,0xffff
	beq	$20,$0,$L97
	and	$17,$2,$3

	beq	$19,$16,$L82
	move	$4,$17

$L97:
	move	$6,$17
	j	$L79
	move	$7,$0

$L87:
	move	$4,$18
	jal	url_fskip
	move	$7,$0

$L89:
	beq	$22,$0,$L91
	move	$4,$18

	lw	$16,8($22)
	jal	get_le32
	move	$4,$18

	sw	$2,232($16)
	lw	$17,8($22)
	jal	get_le32
	move	$4,$18

	sw	$2,64($17)
	lw	$16,8($22)
	jal	get_le32
	move	$4,$18

	sw	$2,392($16)
	move	$4,$18
	jal	get_le32
	lw	$17,8($22)

	lw	$16,8($22)
	sw	$2,68($17)
	lw	$4,232($16)
	jal	wav_codec_get_id
	lw	$5,392($16)

	sw	$2,228($16)
	li	$2,1			# 0x1
	sw	$2,108($22)
	move	$4,$18
$L105:
	li	$6,488			# 0x1e8
	jal	url_fskip
	move	$7,$0

$L73:
	lw	$4,8($20)
$L104:
	move	$2,$0
	lw	$3,228($4)
	lw	$4,72($sp)
	xori	$3,$3,0x57
	sltu	$3,$3,1
	sw	$3,8($4)
	lw	$31,116($sp)
	lw	$fp,112($sp)
	lw	$23,108($sp)
	lw	$22,104($sp)
	lw	$21,100($sp)
	lw	$20,96($sp)
	lw	$19,92($sp)
	lw	$18,88($sp)
	lw	$17,84($sp)
	lw	$16,80($sp)
	j	$31
	addiu	$sp,$sp,120

$L82:
	lw	$16,8($20)
	jal	av_malloc
	sw	$17,28($16)

	lw	$3,8($20)
	sw	$2,24($16)
	lw	$5,24($3)
	move	$6,$17
	jal	get_buffer
	move	$4,$18

	lw	$3,56($sp)
	beq	$3,$0,$L73
	move	$6,$0

	j	$L79
	move	$7,$0

$L99:
	lw	$3,72($sp)
	move	$4,$21
	move	$5,$2
	jal	av_new_stream
	sw	$2,4($3)

	lw	$5,8($2)
	move	$22,$2
	li	$2,16			# 0x10
	sw	$2,392($5)
	li	$3,1			# 0x1
	li	$2,65536			# 0x10000
	sw	$3,224($5)
	sw	$2,228($5)
	li	$3,2			# 0x2
	li	$2,1376256			# 0x150000
	sw	$3,68($5)
	li	$4,44100			# 0xac44
	ori	$2,$2,0x8880
	li	$3,4			# 0x4
	sw	$4,64($5)
	sw	$2,4($5)
	sw	$3,272($5)
	move	$4,$22
	li	$5,32			# 0x20
	li	$6,1			# 0x1
	jal	av_set_pts_info
	li	$7,1000			# 0x3e8

	bne	$20,$0,$L96
	lw	$2,56($sp)

$L103:
	bne	$2,$0,$L96
	nop

	j	$L104
	lw	$4,8($20)

$L98:
	move	$5,$0
	sw	$0,0($3)
	jal	av_new_stream
	move	$4,$21

	lw	$16,8($2)
	move	$20,$2
	lw	$4,76($sp)
	li	$2,87			# 0x57
	sw	$2,228($16)
	addiu	$17,$sp,48
	li	$2,10			# 0xa
	sw	$4,40($16)
	sw	$2,392($16)
	sw	$fp,44($16)
	li	$2,10000			# 0x2710
	sw	$0,224($16)
	move	$6,$22
	move	$7,$23
	move	$4,$17
	jal	av_d2q
	sw	$2,16($sp)

	lw	$3,52($sp)
	lw	$2,48($sp)
	lw	$6,64($sp)
	lw	$7,68($sp)
	sw	$2,400($16)
	sw	$3,404($16)
	li	$2,60000			# 0xea60
	move	$4,$17
	jal	av_d2q
	sw	$2,16($sp)

	lw	$2,48($sp)
	lw	$3,52($sp)
	move	$4,$20
	sw	$2,12($20)
	sw	$3,16($20)
	li	$5,32			# 0x20
	li	$6,1			# 0x1
	jal	av_set_pts_info
	li	$7,1000			# 0x3e8

	j	$L67
	li	$2,1			# 0x1

$L85:
	jal	get_le32
	move	$4,$18

	beq	$20,$0,$L87
	li	$6,4			# 0x4

	lw	$16,8($20)
	jal	get_le32
	move	$4,$18

	lw	$17,8($20)
	sw	$2,232($16)
	lw	$5,232($17)
	lui	$4,%hi(codec_bmp_tags)
	jal	codec_get_id
	addiu	$4,$4,%lo(codec_bmp_tags)

	lw	$4,8($20)
	sw	$2,228($17)
	lw	$3,232($4)
	li	$2,1196425216			# 0x47500000
	ori	$2,$2,0x4a52
	bne	$3,$2,$L89
	li	$2,87			# 0x57

	j	$L89
	sw	$2,228($4)

$L91:
	li	$6,16			# 0x10
	jal	url_fskip
	move	$7,$0

	j	$L105
	move	$4,$18

	.set	macro
	.set	reorder
	.end	nuv_header
	.globl	nuv_demuxer
	.section	.rodata.str1.4
	.align	2
$LC4:
	.ascii	"nuv\000"
	.align	2
$LC5:
	.ascii	"NuppelVideo format\000"
	.data
	.align	2
	.type	nuv_demuxer, @object
	.size	nuv_demuxer, 64
nuv_demuxer:
	.word	$LC4
	.word	$LC5
	.word	12
	.word	nuv_probe
	.word	nuv_header
	.word	nuv_packet
	.word	0
	.word	0
	.space	32
	.ident	"GCC: (GNU) 4.1.2"