dxa.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 741 行

	.file	1 "dxa.c"
	.section .mdebug.abi32
	.previous
	.section	.text.dxa_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	dxa_probe
	.type	dxa_probe, @function
dxa_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	$4,4($4)
	li	$2,68			# 0x44
	lbu	$3,0($4)
	beq	$3,$2,$L10
	nop

$L2:
	move	$4,$0
$L7:
$L11:
	j	$31
	move	$2,$4

$L10:
	lbu	$3,1($4)
	li	$2,69			# 0x45
	bne	$3,$2,$L2
	nop

	lbu	$3,2($4)
	li	$2,88			# 0x58
	bne	$3,$2,$L2
	nop

	lbu	$3,3($4)
	li	$2,65			# 0x41
	beq	$3,$2,$L7
	li	$4,100			# 0x64

	j	$L11
	move	$4,$0

	.set	macro
	.set	reorder
	.end	dxa_probe
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"File contains no frames ???\012\000"
	.globl	__divdi3
	.align	2
$LC1:
	.ascii	"%d frame(s)\012\000"
	.section	.text.dxa_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	dxa_read_header
	.type	dxa_read_header, @function
dxa_read_header:
	.frame	$sp,88,$31		# vars= 16, regs= 10/0, args= 32, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-88
	sw	$18,56($sp)
	addiu	$18,$4,16
	sw	$20,64($sp)
	sw	$31,84($sp)
	sw	$fp,80($sp)
	sw	$23,76($sp)
	sw	$22,72($sp)
	sw	$21,68($sp)
	sw	$19,60($sp)
	sw	$17,52($sp)
	sw	$16,48($sp)
	move	$20,$4
	move	$4,$18
	jal	get_le32
	lw	$19,12($20)

	li	$3,1096286208			# 0x41580000
	ori	$3,$3,0x4544
	beq	$2,$3,$L38
	nop

$L13:
	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)
	li	$2,-1			# 0xffffffffffffffff
	j	$31
	addiu	$sp,$sp,88

$L38:
	jal	get_byte
	move	$4,$18

	move	$4,$18
	jal	get_be16
	move	$22,$2

	beq	$2,$0,$L39
	sw	$2,0($19)

	jal	get_be32
	move	$4,$18

	blez	$2,$L18
	move	$3,$2

	li	$2,1000			# 0x3e8
	sw	$2,36($sp)
	sw	$3,32($sp)
$L20:
	jal	get_be16
	move	$4,$18

	move	$4,$18
	jal	get_be16
	move	$fp,$2

	sw	$0,4($19)
	move	$4,$20
	move	$5,$0
	jal	av_new_stream
	move	$23,$2

	beq	$2,$0,$L13
	move	$21,$2

	jal	get_le32
	move	$4,$18

	li	$3,1163264000			# 0x45560000
	ori	$3,$3,0x4157
	beq	$2,$3,$L40
	lw	$2,36($sp)

$L42:
	lw	$3,8($21)
	lw	$9,32($sp)
	move	$6,$2
	sra	$7,$2,31
	li	$2,102			# 0x66
	sw	$2,228($3)
	li	$2,2147418112			# 0x7fff0000
	sw	$23,44($3)
	sw	$fp,40($3)
	sw	$0,224($3)
	sra	$8,$9,31
	move	$3,$0
	addiu	$5,$sp,32
	addiu	$4,$sp,36
	ori	$2,$2,0xffff
	sw	$8,20($sp)
	sw	$3,28($sp)
	sw	$9,16($sp)
	jal	av_reduce
	sw	$2,24($sp)

	lw	$6,32($sp)
	lw	$7,36($sp)
	move	$4,$21
	jal	av_set_pts_info
	li	$5,33			# 0x21

	andi	$2,$22,0xc0
	beq	$2,$0,$L35
	nop

	lw	$3,8($21)
	lw	$2,44($3)
	sra	$2,$2,1
	sw	$2,44($3)
$L35:
	lw	$2,4($19)
	move	$4,$18
	sltu	$2,$2,1
	jal	url_ftell
	sw	$2,32($19)

	lw	$16,0($19)
	li	$8,983040			# 0xf0000
	ori	$8,$8,0x4240
	mult	$16,$8
	lw	$4,32($sp)
	mflo	$8
	mfhi	$9
	sra	$7,$4,31
	mul	$12,$9,$4
	multu	$4,$8
	lw	$10,36($sp)
	mflo	$4
	mfhi	$5
	mul	$11,$7,$8
	sw	$2,24($19)
	sw	$3,28($19)
	addu	$8,$11,$12
	move	$2,$0
	move	$3,$0
	addu	$5,$8,$5
	move	$6,$10
	sra	$7,$10,31
	sw	$2,3824($20)
	jal	__divdi3
	sw	$3,3828($20)

	lui	$6,%hi($LC1)
	sw	$2,3832($20)
	sw	$3,3836($20)
	move	$4,$20
	move	$7,$16
	addiu	$6,$6,%lo($LC1)
	jal	av_log
	li	$5,2			# 0x2

	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)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,88

$L39:
	lui	$6,%hi($LC0)
	move	$4,$20
	addiu	$6,$6,%lo($LC0)
	jal	av_log
	move	$5,$0

	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)
	li	$2,-1			# 0xffffffffffffffff
	j	$31
	addiu	$sp,$sp,88

$L18:
	beq	$2,$0,$L21
	li	$3,1			# 0x1

	subu	$3,$0,$2
	li	$2,65536			# 0x10000
	ori	$2,$2,0x86a0
	sw	$2,36($sp)
	j	$L20
	sw	$3,32($sp)

$L21:
	li	$2,10			# 0xa
	sw	$2,36($sp)
	j	$L20
	sw	$3,32($sp)

$L40:
	li	$2,1			# 0x1
	move	$4,$18
	jal	get_be32
	sw	$2,4($19)

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

	addu	$4,$2,$16
	move	$17,$0
	sltu	$6,$4,$2
	addu	$5,$3,$17
	addu	$5,$6,$5
	sw	$5,28($19)
	li	$6,16			# 0x10
	move	$7,$0
	sw	$4,24($19)
	jal	url_fskip
	move	$4,$18

	jal	get_le32
	move	$4,$18

	move	$4,$20
	move	$5,$0
	jal	av_new_stream
	move	$17,$2

	beq	$2,$0,$L13
	sw	$2,40($sp)

	lw	$5,8($2)
	move	$4,$18
	jal	get_wav_header
	move	$6,$17

$L27:
	jal	url_ftell
	move	$4,$18

	move	$7,$3
	lw	$3,28($19)
	move	$6,$2
	slt	$2,$7,$3
	bne	$2,$0,$L32
	move	$4,$18

	beq	$3,$7,$L41
	nop

$L29:
	lw	$3,0($19)
	lw	$11,40($sp)
	addu	$2,$17,$3
	addiu	$2,$2,-1
	divu	$0,$2,$3
	teq	$3,$0,7
	lw	$4,8($11)
	mflo	$2
	sw	$2,8($19)
	lw	$3,272($4)
	beq	$3,$0,$L43
	move	$4,$18

	addu	$2,$2,$3
	addiu	$2,$2,-1
	div	$0,$2,$3
	teq	$3,$0,7
	mflo	$2
	mul	$2,$3,$2
	sw	$2,8($19)
$L43:
	jal	url_ftell
	sw	$17,12($19)

	lw	$6,24($19)
	lw	$7,28($19)
	sw	$2,16($19)
	sw	$3,20($19)
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	j	$L42
	lw	$2,36($sp)

$L41:
	lw	$2,24($19)
	sltu	$2,$6,$2
	beq	$2,$0,$L29
	nop

$L32:
	jal	url_feof
	nop

	bne	$2,$0,$L29
	move	$4,$18

	jal	get_le32
	nop

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

	move	$17,$2
	li	$2,1634992128			# 0x61740000
	ori	$2,$2,0x6164
	beq	$16,$2,$L29
	move	$4,$18

	move	$6,$17
	jal	url_fskip
	move	$7,$0

	j	$L27
	nop

	.set	macro
	.set	reorder
	.end	dxa_read_header
	.section	.rodata.str1.4
	.align	2
$LC2:
	.ascii	"Frame size is too big: %d\012\000"
	.align	2
$LC3:
	.ascii	"Unknown tag %c%c%c%c\012\000"
	.section	.text.dxa_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	dxa_read_packet
	.type	dxa_read_packet, @function
dxa_read_packet:
	.frame	$sp,848,$31		# vars= 784, regs= 8/0, args= 32, gp= 0
	.mask	0x807f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-848
	sw	$22,840($sp)
	sw	$19,828($sp)
	sw	$31,844($sp)
	sw	$21,836($sp)
	sw	$20,832($sp)
	sw	$18,824($sp)
	sw	$17,820($sp)
	sw	$16,816($sp)
	lw	$17,12($4)
	move	$19,$4
	lw	$2,32($17)
	bne	$2,$0,$L45
	move	$22,$5

	lw	$2,4($17)
	bne	$2,$0,$L109
	nop

$L45:
	lw	$6,24($17)
	lw	$7,28($17)
	addiu	$16,$19,16
	move	$4,$16
	sw	$0,16($sp)
	jal	url_fseek
	move	$21,$0

	addiu	$20,$sp,32
$L52:
	jal	url_feof
	move	$4,$16

	move	$4,$16
	move	$5,$20
	bne	$2,$0,$L49
	li	$6,4			# 0x4

	lw	$2,0($17)
	beq	$2,$0,$L49
	nop

	jal	get_buffer
	nop

	lbu	$11,35($sp)
	lbu	$10,34($sp)
	lbu	$9,33($sp)
	sll	$2,$10,16
	sll	$7,$11,24
	lbu	$8,32($sp)
	or	$7,$7,$2
	or	$7,$7,$8
	sll	$3,$9,8
	li	$2,1296105472			# 0x4d410000
	or	$3,$3,$7
	ori	$2,$2,0x5246
	move	$5,$20
	li	$6,4			# 0x4
	beq	$3,$2,$L56
	addiu	$4,$sp,41

	li	$2,1346437120			# 0x50410000
	ori	$2,$2,0x4d43
	beq	$3,$2,$L57
	li	$2,1280049152			# 0x4c4c0000

	ori	$2,$2,0x554e
	beq	$3,$2,$L110
	lui	$6,%hi($LC3)

	move	$4,$19
	addiu	$6,$6,%lo($LC3)
	move	$7,$8
	move	$5,$0
	sw	$9,16($sp)
	sw	$10,20($sp)
	jal	av_log
	sw	$11,24($sp)

	li	$4,-1			# 0xffffffffffffffff
$L51:
	lw	$31,844($sp)
	lw	$22,840($sp)
	lw	$21,836($sp)
	lw	$20,832($sp)
	lw	$19,828($sp)
	lw	$18,824($sp)
	lw	$17,820($sp)
	lw	$16,816($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,848

$L109:
	lw	$2,12($17)
	beq	$2,$0,$L45
	li	$16,1			# 0x1

	lw	$6,16($17)
	lw	$7,20($17)
	addiu	$19,$4,16
	sw	$16,32($17)
	move	$4,$19
	jal	url_fseek
	sw	$0,16($sp)

	lw	$5,8($17)
	lw	$3,12($17)
	move	$18,$5
	sltu	$2,$5,$3
	movz	$18,$3,$2
	move	$4,$19
	move	$5,$22
	jal	av_get_packet
	move	$6,$18

	bne	$18,$2,$L49
	sw	$16,24($22)

	lw	$2,12($17)
	move	$4,$19
	subu	$2,$2,$18
	jal	url_ftell
	sw	$2,12($17)

	move	$4,$0
	sw	$2,16($17)
	j	$L51
	sw	$3,20($17)

$L56:
	move	$4,$16
	addiu	$5,$sp,36
	jal	get_buffer
	li	$6,5			# 0x5

	lbu	$3,37($sp)
	lbu	$2,38($sp)
	sll	$3,$3,24
	sll	$2,$2,16
	lbu	$4,39($sp)
	lbu	$5,40($sp)
	or	$3,$3,$2
	or	$3,$3,$5
	sll	$4,$4,8
	or	$18,$4,$3
	li	$2,16777216			# 0x1000000
	sltu	$2,$18,$2
	beq	$2,$0,$L99
	lui	$6,%hi($LC2)

	addiu	$5,$18,9
	addu	$5,$21,$5
	jal	av_new_packet
	move	$4,$22

	bltz	$2,$L58
	move	$5,$20

	lw	$4,16($22)
	addu	$4,$21,$4
	jal	memcpy
	li	$6,9			# 0x9

	lw	$5,16($22)
	move	$4,$16
	addu	$5,$21,$5
	addiu	$5,$5,9
	jal	get_buffer
	move	$6,$18

	bne	$18,$2,$L111
	nop

	beq	$21,$0,$L80
	addiu	$5,$sp,41

	lw	$4,16($22)
	jal	memcpy
	move	$6,$21

$L80:
	sw	$0,24($22)
	lw	$2,0($17)
	move	$4,$16
	addiu	$2,$2,-1
	j	$L108
	sw	$2,0($17)

$L57:
	jal	memcpy
	li	$21,772			# 0x304

	move	$4,$16
	addiu	$5,$sp,45
	jal	get_buffer
	li	$6,768			# 0x300

	j	$L52
	nop

$L110:
	move	$4,$22
	jal	av_new_packet
	addiu	$5,$21,4

	bltz	$2,$L51
	li	$4,-12			# 0xfffffffffffffff4

	bne	$21,$0,$L60
	sw	$0,24($22)

	move	$18,$0
	lw	$4,16($22)
$L112:
	move	$5,$20
	addu	$4,$18,$4
	jal	memcpy
	li	$6,4			# 0x4

	lw	$3,0($17)
	move	$4,$16
	addiu	$3,$3,-1
	sw	$3,0($17)
$L108:
	jal	url_ftell
	nop

	sw	$2,24($17)
	sw	$3,28($17)
	sw	$0,32($17)
	move	$4,$0
	lw	$31,844($sp)
	lw	$22,840($sp)
	lw	$21,836($sp)
	lw	$20,832($sp)
	lw	$19,828($sp)
	lw	$18,824($sp)
	lw	$17,820($sp)
	lw	$16,816($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,848

$L99:
	move	$4,$19
	move	$7,$18
	addiu	$6,$6,%lo($LC2)
	jal	av_log
	move	$5,$0

	li	$4,-1			# 0xffffffffffffffff
	lw	$31,844($sp)
	lw	$22,840($sp)
	lw	$21,836($sp)
	lw	$20,832($sp)
	lw	$19,828($sp)
	lw	$18,824($sp)
	lw	$17,820($sp)
	lw	$16,816($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,848

$L60:
	move	$18,$21
	lw	$4,16($22)
	addiu	$5,$sp,41
	jal	memcpy
	move	$6,$21

	j	$L112
	lw	$4,16($22)

$L49:
	j	$L51
	li	$4,-5			# 0xfffffffffffffffb

$L58:
	j	$L51
	li	$4,-12			# 0xfffffffffffffff4

$L111:
	lw	$2,36($22)
	beq	$2,$0,$L49
	nop

	jal	$2
	move	$4,$22

	j	$L51
	li	$4,-5			# 0xfffffffffffffffb

	.set	macro
	.set	reorder
	.end	dxa_read_packet
	.globl	dxa_demuxer
	.section	.rodata.str1.4
	.align	2
$LC4:
	.ascii	"dxa\000"
	.data
	.align	2
	.type	dxa_demuxer, @object
	.size	dxa_demuxer, 64
dxa_demuxer:
	.word	$LC4
	.word	$LC4
	.word	40
	.word	dxa_probe
	.word	dxa_read_header
	.word	dxa_read_packet
	.space	40
	.ident	"GCC: (GNU) 4.1.2"