txd.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 277 行

	.file	1 "txd.c"
	.section .mdebug.abi32
	.previous
	.section	.text.txd_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	txd_probe
	.type	txd_probe, @function
txd_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	$6,4($4)
	lbu	$2,3($6)
	lbu	$3,2($6)
	sll	$2,$2,24
	sll	$3,$3,16
	lbu	$4,1($6)
	lbu	$5,0($6)
	or	$2,$2,$3
	or	$2,$2,$5
	sll	$4,$4,8
	or	$4,$4,$2
	li	$3,22			# 0x16
	beq	$4,$3,$L9
	nop

$L2:
	move	$4,$0
$L6:
	j	$31
	move	$2,$4

$L9:
	lbu	$2,11($6)
	lbu	$4,10($6)
	sll	$2,$2,24
	sll	$4,$4,16
	lbu	$5,8($6)
	lbu	$3,9($6)
	or	$2,$2,$4
	or	$2,$2,$5
	sll	$3,$3,8
	or	$3,$3,$2
	li	$2,402849792			# 0x18030000
	ori	$2,$2,0xffff
	beq	$3,$2,$L6
	li	$4,100			# 0x64

	li	$2,268632064			# 0x10030000
	ori	$2,$2,0xffff
	bne	$3,$2,$L2
	nop

	j	$L6
	nop

	.set	macro
	.set	reorder
	.end	txd_probe
	.section	.text.txd_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	txd_read_close
	.type	txd_read_close, @function
txd_read_close:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	j	$31
	move	$2,$0

	.set	macro
	.set	reorder
	.end	txd_read_close
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"marker does not match\012\000"
	.align	2
$LC1:
	.ascii	"unknown chunk id %i\012\000"
	.section	.text.txd_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	txd_read_packet
	.type	txd_read_packet, @function
txd_read_packet:
	.frame	$sp,48,$31		# vars= 0, regs= 8/0, args= 16, gp= 0
	.mask	0x807f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-48
	li	$2,402849792			# 0x18030000
	li	$3,268632064			# 0x10030000
	sw	$22,40($sp)
	sw	$21,36($sp)
	sw	$20,32($sp)
	sw	$18,24($sp)
	sw	$31,44($sp)
	sw	$19,28($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$22,$5
	addiu	$18,$4,16
	ori	$20,$2,0xffff
	ori	$21,$3,0xffff
$L32:
	jal	get_le32
	move	$4,$18

	move	$4,$18
	jal	get_le32
	move	$17,$2

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

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

	bne	$2,$0,$L19
	li	$2,-5			# 0xfffffffffffffffb

	beq	$16,$20,$L34
	li	$2,3			# 0x3

	bne	$16,$21,$L27
	lui	$6,%hi($LC0)

$L34:
	beq	$17,$2,$L22
	sltu	$2,$17,4

	beq	$2,$0,$L23
	addiu	$2,$17,-21

	li	$2,1			# 0x1
	beq	$17,$2,$L33
	sltu	$2,$19,101

	lui	$6,%hi($LC1)
$L35:
	addiu	$6,$6,%lo($LC1)
	move	$7,$17
	move	$4,$0
	jal	av_log
	move	$5,$0

	li	$2,-5			# 0xfffffffffffffffb
$L19:
	lw	$31,44($sp)
	lw	$22,40($sp)
	lw	$21,36($sp)
	lw	$20,32($sp)
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,48

$L33:
	beq	$2,$0,$L24
	move	$4,$18

$L22:
	move	$6,$19
	move	$7,$0
	jal	url_fskip
	move	$4,$18

	j	$L32
	nop

$L23:
	sltu	$2,$2,2
	beq	$2,$0,$L35
	lui	$6,%hi($LC1)

	j	$L32
	nop

$L24:
	move	$6,$19
	jal	av_get_packet
	move	$5,$22

	bgtz	$2,$L19
	sw	$0,24($22)

	j	$L19
	li	$2,-5			# 0xfffffffffffffffb

$L27:
	addiu	$6,$6,%lo($LC0)
	move	$4,$0
	jal	av_log
	move	$5,$0

	j	$L19
	li	$2,-5			# 0xfffffffffffffffb

	.set	macro
	.set	reorder
	.end	txd_read_packet
	.section	.text.txd_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	txd_read_header
	.type	txd_read_header, @function
txd_read_header:
	.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)
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L39
	li	$5,-12			# 0xfffffffffffffff4

	lw	$4,8($2)
	li	$2,1			# 0x1
	sw	$2,32($4)
	li	$3,109			# 0x6d
	li	$2,5			# 0x5
	move	$5,$0
	sw	$3,228($4)
	sw	$2,36($4)
	sw	$0,224($4)
$L39:
	lw	$31,16($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	txd_read_header
	.globl	txd_demuxer
	.section	.rodata.str1.4
	.align	2
$LC2:
	.ascii	"txd\000"
	.align	2
$LC3:
	.ascii	"txd format\000"
	.data
	.align	2
	.type	txd_demuxer, @object
	.size	txd_demuxer, 64
txd_demuxer:
	.word	$LC2
	.word	$LC3
	.word	0
	.word	txd_probe
	.word	txd_read_header
	.word	txd_read_packet
	.word	txd_read_close
	.space	36
	.ident	"GCC: (GNU) 4.1.2"