idroq.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 716 行

	.file	1 "idroq.c"
	.section .mdebug.abi32
	.previous
	.section	.text.roq_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	roq_probe
	.type	roq_probe, @function
roq_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)
	li	$3,4228			# 0x1084
	lbu	$2,1($6)
	lbu	$4,0($6)
	sll	$2,$2,8
	or	$2,$2,$4
	bne	$2,$3,$L2
	nop

	lbu	$2,5($6)
	lbu	$4,4($6)
	sll	$2,$2,24
	sll	$4,$4,16
	lbu	$5,2($6)
	lbu	$3,3($6)
	or	$2,$2,$4
	or	$2,$2,$5
	sll	$3,$3,8
	or	$3,$3,$2
	li	$2,-1			# 0xffffffffffffffff
	beq	$3,$2,$L5
	li	$4,100			# 0x64

$L2:
	move	$4,$0
$L5:
	j	$31
	move	$2,$4

	.set	macro
	.set	reorder
	.end	roq_probe
	.section	.text.roq_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	roq_read_close
	.type	roq_read_close, @function
roq_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	roq_read_close
	.globl	__divdi3
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"  unknown RoQ chunk (%04X)\012\000"
	.section	.text.roq_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	roq_read_packet
	.type	roq_read_packet, @function
roq_read_packet:
	.frame	$sp,72,$31		# vars= 8, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-72
	sw	$fp,64($sp)
	sw	$19,44($sp)
	sw	$17,36($sp)
	sw	$31,68($sp)
	sw	$23,60($sp)
	sw	$22,56($sp)
	sw	$21,52($sp)
	sw	$20,48($sp)
	sw	$18,40($sp)
	sw	$16,32($sp)
	lw	$22,12($4)
	move	$19,$4
	move	$fp,$5
	addiu	$17,$4,16
$L11:
	jal	url_feof
	move	$4,$17

	bne	$2,$0,$L12
	addiu	$23,$sp,24

	move	$4,$17
	move	$5,$23
	jal	get_buffer
	li	$6,8			# 0x8

	li	$3,8			# 0x8
	bne	$2,$3,$L12
	lbu	$2,29($sp)

	lbu	$3,28($sp)
	sll	$2,$2,24
	sll	$3,$3,16
	lbu	$4,27($sp)
	lbu	$5,26($sp)
	or	$2,$2,$3
	or	$2,$2,$5
	sll	$4,$4,8
	or	$18,$4,$2
	lbu	$7,24($sp)
	bltz	$18,$L31
	lbu	$2,25($sp)

	sll	$2,$2,8
	or	$16,$2,$7
	addiu	$3,$16,-4097
	sltu	$2,$3,33
	beq	$2,$0,$L18
	sll	$2,$3,2

	lui	$3,%hi($L22)
	addiu	$3,$3,%lo($L22)
	addu	$2,$2,$3
	lw	$4,0($2)
	j	$4
	nop

	.rdata
	.align	2
	.align	2
$L22:
	.word	$L19
	.word	$L20
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L21
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L18
	.word	$L21
	.word	$L21
	.section	.text.roq_read_packet
$L18:
	lui	$6,%hi($LC0)
	move	$4,$19
	addiu	$6,$6,%lo($LC0)
	move	$7,$16
	jal	av_log
	move	$5,$0

	li	$9,-22			# 0xffffffffffffffea
$L17:
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	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,$9
	j	$31
	addiu	$sp,$sp,72

$L19:
	move	$4,$17
	li	$6,8			# 0x8
	move	$7,$0
	li	$2,1			# 0x1
	jal	url_fseek
	sw	$2,16($sp)

	j	$L11
	nop

$L21:
	move	$4,$fp
	jal	av_new_packet
	addiu	$5,$18,8

	bne	$2,$0,$L12
	move	$5,$23

	lw	$4,16($fp)
	jal	memcpy
	li	$6,8			# 0x8

	li	$3,4113			# 0x1011
	beq	$16,$3,$L32
	move	$7,$0

	lw	$2,24($22)
	li	$6,22050			# 0x5622
	sw	$2,24($fp)
	lw	$4,40($22)
	li	$2,65536			# 0x10000
	ori	$2,$2,0x5f90
	multu	$4,$2
	mflo	$4
	jal	__divdi3
	mfhi	$5

	lw	$4,8($22)
	lw	$5,40($22)
	divu	$0,$18,$4
	teq	$4,$0,7
	sw	$2,0($fp)
	sw	$3,4($fp)
	mflo	$4
	addu	$5,$5,$4
	sw	$5,40($22)
$L28:
	jal	url_ftell
	move	$4,$17

	lw	$5,16($fp)
	sw	$2,48($fp)
	sw	$3,52($fp)
	move	$4,$17
	addiu	$5,$5,8
	jal	get_buffer
	move	$6,$18

	beq	$18,$2,$L17
	move	$9,$2

$L12:
	li	$9,-5			# 0xfffffffffffffffb
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	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,$9
	j	$31
	addiu	$sp,$sp,72

$L20:
	jal	url_ftell
	move	$4,$17

	move	$20,$2
	move	$6,$18
	move	$7,$0
	move	$4,$17
	li	$2,1			# 0x1
	move	$21,$3
	jal	url_fseek
	sw	$2,16($sp)

	move	$4,$17
	move	$5,$23
	jal	get_buffer
	li	$6,8			# 0x8

	li	$3,8			# 0x8
	bne	$2,$3,$L12
	lbu	$2,29($sp)

	lbu	$3,28($sp)
	lbu	$4,26($sp)
	sll	$3,$3,16
	lbu	$16,27($sp)
	sll	$2,$2,24
	or	$2,$2,$3
	addiu	$6,$20,-8
	or	$2,$2,$4
	sll	$16,$16,8
	sltu	$3,$6,$20
	or	$16,$16,$2
	addiu	$7,$21,-1
	addiu	$2,$18,16
	addu	$7,$3,$7
	addu	$16,$16,$2
	move	$4,$17
	jal	url_fseek
	sw	$0,16($sp)

	move	$4,$17
	move	$5,$fp
	jal	av_get_packet
	move	$6,$16

	bne	$16,$2,$L12
	move	$9,$2

	lw	$2,32($22)
	lw	$3,36($22)
	lw	$4,20($22)
	sw	$2,0($fp)
	sw	$3,4($fp)
	sw	$4,24($fp)
	lw	$6,32($22)
	lw	$2,16($22)
	lw	$7,36($22)
	sra	$5,$2,31
	addu	$2,$6,$2
	sltu	$8,$2,$6
	addu	$3,$7,$5
	addu	$3,$8,$3
	sw	$2,32($22)
	sw	$3,36($22)
	lw	$31,68($sp)
	lw	$fp,64($sp)
	lw	$23,60($sp)
	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,$9
	j	$31
	addiu	$sp,$sp,72

$L32:
	lw	$2,32($22)
	lw	$3,36($22)
	lw	$4,20($22)
	sw	$2,0($fp)
	sw	$3,4($fp)
	sw	$4,24($fp)
	lw	$6,32($22)
	lw	$2,16($22)
	lw	$7,36($22)
	sra	$5,$2,31
	addu	$2,$6,$2
	sltu	$8,$2,$6
	addu	$3,$7,$5
	addu	$3,$8,$3
	sw	$2,32($22)
	j	$L28
	sw	$3,36($22)

$L31:
	j	$L17
	li	$9,-22			# 0xffffffffffffffea

	.set	macro
	.set	reorder
	.end	roq_read_packet
	.section	.rodata.str1.4
	.align	2
$LC1:
	.ascii	" unknown RoQ chunk type (%04X)\012\000"
	.section	.text.roq_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	roq_read_header
	.type	roq_read_header, @function
roq_read_header:
	.frame	$sp,56,$31		# vars= 8, regs= 6/0, args= 24, gp= 0
	.mask	0x801f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$19,44($sp)
	sw	$16,32($sp)
	addiu	$19,$sp,24
	addiu	$16,$4,16
	sw	$18,40($sp)
	sw	$31,52($sp)
	sw	$20,48($sp)
	sw	$17,36($sp)
	move	$18,$4
	move	$5,$19
	move	$4,$16
	li	$6,8			# 0x8
	jal	get_buffer
	lw	$17,12($18)

	li	$3,8			# 0x8
	beq	$2,$3,$L58
	lbu	$2,31($sp)

$L34:
	li	$9,-5			# 0xfffffffffffffffb
$L46:
	lw	$31,52($sp)
$L62:
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	move	$2,$9
	j	$31
	addiu	$sp,$sp,56

$L58:
	lbu	$4,30($sp)
	sll	$2,$2,8
	li	$3,65536			# 0x10000
	or	$2,$2,$4
	ori	$3,$3,0x5f90
	div	$0,$3,$2
	teq	$2,$0,7
	move	$4,$0
	move	$5,$0
	sw	$2,12($17)
	sw	$0,40($17)
	sw	$4,32($17)
	sw	$5,36($17)
	sw	$0,8($17)
	sw	$0,4($17)
	sw	$0,0($17)
	move	$20,$0
	mflo	$3
	sw	$3,16($17)
	move	$4,$16
$L61:
	move	$5,$19
	jal	get_buffer
	li	$6,8			# 0x8

	li	$3,8			# 0x8
	bne	$2,$3,$L34
	lbu	$3,25($sp)

	lbu	$5,24($sp)
	lbu	$2,29($sp)
	lbu	$4,28($sp)
	sll	$3,$3,8
	or	$7,$3,$5
	sll	$4,$4,16
	lbu	$5,26($sp)
	sll	$2,$2,24
	lbu	$3,27($sp)
	or	$2,$2,$4
	addiu	$6,$7,-4097
	or	$2,$2,$5
	sll	$3,$3,8
	sltu	$4,$6,33
	beq	$4,$0,$L38
	or	$5,$3,$2

	lui	$3,%hi($L43)
	sll	$2,$6,2
	addiu	$3,$3,%lo($L43)
	addu	$2,$2,$3
	lw	$4,0($2)
	j	$4
	nop

	.rdata
	.align	2
	.align	2
$L43:
	.word	$L39
	.word	$L40
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L40
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L38
	.word	$L41
	.word	$L42
	.section	.text.roq_read_header
$L38:
	lui	$6,%hi($LC1)
	move	$4,$18
	addiu	$6,$6,%lo($LC1)
	jal	av_log
	move	$5,$0

	j	$L46
	li	$9,-22			# 0xffffffffffffffea

$L39:
	move	$4,$16
	move	$5,$19
	jal	get_buffer
	li	$6,8			# 0x8

	li	$3,8			# 0x8
	bne	$2,$3,$L34
	lbu	$2,25($sp)

	lbu	$3,24($sp)
	sll	$2,$2,8
	or	$2,$2,$3
	sw	$2,0($17)
	lbu	$3,27($sp)
	lbu	$2,26($sp)
	sll	$3,$3,8
	or	$3,$3,$2
	sw	$3,4($17)
	lw	$2,0($17)
$L59:
	beq	$2,$0,$L47
	nop

	lw	$2,4($17)
	beq	$2,$0,$L47
	nop

	lw	$2,8($17)
	bne	$2,$0,$L60
	move	$4,$16

$L47:
	addiu	$20,$20,1
	li	$2,30			# 0x1e
	bne	$20,$2,$L61
	move	$4,$16

$L60:
	li	$6,8			# 0x8
	move	$7,$0
	jal	url_fseek
	sw	$0,16($sp)

	move	$4,$18
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L51
	move	$16,$2

	li	$19,65536			# 0x10000
	move	$4,$2
	li	$5,33			# 0x21
	li	$6,1			# 0x1
	jal	av_set_pts_info
	ori	$7,$19,0x5f90

	lw	$3,8($16)
	lw	$2,0($16)
	sw	$0,224($3)
	sw	$2,20($17)
	sw	$0,232($3)
	lw	$5,0($17)
	li	$2,39			# 0x27
	sw	$5,40($3)
	lw	$4,4($17)
	sw	$2,228($3)
	sw	$4,44($3)
	lw	$2,8($17)
	bne	$2,$0,$L53
	move	$9,$0

	j	$L62
	lw	$31,52($sp)

$L41:
	li	$2,1			# 0x1
	sw	$2,8($17)
	move	$6,$5
	move	$7,$0
	move	$4,$16
	jal	url_fseek
	sw	$2,16($sp)

	j	$L59
	lw	$2,0($17)

$L40:
	move	$6,$5
	move	$7,$0
	move	$4,$16
	li	$2,1			# 0x1
	jal	url_fseek
	sw	$2,16($sp)

	j	$L59
	lw	$2,0($17)

$L42:
	li	$2,2			# 0x2
	sw	$2,8($17)
	move	$6,$5
	move	$7,$0
	move	$4,$16
	li	$2,1			# 0x1
	jal	url_fseek
	sw	$2,16($sp)

	j	$L59
	lw	$2,0($17)

$L51:
	j	$L46
	li	$9,-12			# 0xfffffffffffffff4

$L53:
	move	$4,$18
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L51
	move	$16,$2

	move	$4,$2
	li	$5,33			# 0x21
	li	$6,1			# 0x1
	jal	av_set_pts_info
	ori	$7,$19,0x5f90

	lw	$3,8($16)
	lw	$2,0($16)
	li	$8,22050			# 0x5622
	sw	$2,24($17)
	sw	$0,232($3)
	lw	$5,8($17)
	li	$2,1			# 0x1
	mul	$4,$5,$8
	ori	$7,$19,0x4000
	sll	$6,$5,4
	sll	$4,$4,4
	sw	$2,224($3)
	move	$9,$0
	li	$2,16			# 0x10
	sw	$6,272($3)
	sw	$7,228($3)
	sw	$2,392($3)
	sw	$4,4($3)
	sw	$5,68($3)
	j	$L46
	sw	$8,64($3)

	.set	macro
	.set	reorder
	.end	roq_read_header
	.globl	roq_demuxer
	.section	.rodata.str1.4
	.align	2
$LC2:
	.ascii	"RoQ\000"
	.align	2
$LC3:
	.ascii	"Id RoQ format\000"
	.data
	.align	2
	.type	roq_demuxer, @object
	.size	roq_demuxer, 64
roq_demuxer:
	.word	$LC2
	.word	$LC3
	.word	48
	.word	roq_probe
	.word	roq_read_header
	.word	roq_read_packet
	.word	roq_read_close
	.space	36
	.ident	"GCC: (GNU) 4.1.2"