flvdec.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 1,941 行 · 第 1/2 页

	.file	1 "flvdec.c"
	.section .mdebug.abi32
	.previous
	.section	.text.flv_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	flv_probe
	.type	flv_probe, @function
flv_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	$2,70			# 0x46
	lbu	$3,0($4)
	beq	$3,$2,$L11
	nop

$L2:
	move	$3,$0
$L8:
$L12:
	j	$31
	move	$2,$3

$L11:
	lbu	$3,1($4)
	li	$2,76			# 0x4c
	bne	$3,$2,$L12
	move	$3,$0

	lbu	$3,2($4)
	li	$2,86			# 0x56
	bne	$3,$2,$L2
	nop

	lbu	$2,3($4)
	sltu	$2,$2,5
	beq	$2,$0,$L12
	move	$3,$0

	lbu	$2,5($4)
	beq	$2,$0,$L8
	li	$3,100			# 0x64

	j	$L12
	move	$3,$0

	.set	macro
	.set	reorder
	.end	flv_probe
	.section	.text.flv_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	flv_read_close
	.type	flv_read_close, @function
flv_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	flv_read_close
	.section	.text.flv_read_seek,"ax",@progbits
	.align	2
	.align	5
	.ent	flv_read_seek
	.type	flv_read_seek, @function
flv_read_seek:
	.frame	$sp,40,$31		# vars= 0, regs= 3/0, args= 24, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sll	$5,$5,2
	addu	$5,$5,$4
	sw	$16,24($sp)
	sw	$31,32($sp)
	sw	$17,28($sp)
	lw	$17,100($5)
	lw	$2,56($sp)
	move	$16,$4
	move	$4,$17
	jal	av_index_search_timestamp
	sw	$2,16($sp)

	sll	$4,$2,5
	sll	$3,$2,3
	subu	$3,$4,$3
	li	$5,-1			# 0xffffffffffffffff
	bltz	$2,$L18
	addiu	$4,$16,16

	lw	$2,144($17)
	addu	$2,$3,$2
	lw	$6,0($2)
	lw	$7,4($2)
	jal	url_fseek
	sw	$0,16($sp)

	move	$5,$0
$L18:
	lw	$31,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,40

	.set	macro
	.set	reorder
	.end	flv_read_seek
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"Broken FLV file, which says no streams present, this mig"
	.ascii	"ht fail\012\000"
	.section	.text.flv_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	flv_read_header
	.type	flv_read_header, @function
flv_read_header:
	.frame	$sp,40,$31		# vars= 0, regs= 4/0, args= 24, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sw	$17,28($sp)
	addiu	$17,$4,16
	sw	$18,32($sp)
	li	$6,4			# 0x4
	move	$7,$0
	move	$18,$4
	move	$4,$17
	sw	$31,36($sp)
	jal	url_fskip
	sw	$16,24($sp)

	jal	get_byte
	move	$4,$17

	beq	$2,$0,$L32
	move	$16,$2

	andi	$2,$2,0x1
	bne	$2,$0,$L23
	andi	$2,$16,0x4

$L34:
	bne	$2,$0,$L33
	move	$4,$18

$L27:
	jal	get_be32
	move	$4,$17

	sra	$3,$2,31
	move	$4,$17
	move	$6,$2
	move	$7,$3
	jal	url_fseek
	sw	$0,16($sp)

	move	$4,$0
	move	$5,$0
	sw	$4,3824($18)
	sw	$5,3828($18)
	lw	$31,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,40

$L32:
	lui	$6,%hi($LC0)
	addiu	$6,$6,%lo($LC0)
	move	$4,$18
	jal	av_log
	li	$5,1			# 0x1

	li	$16,5			# 0x5
$L23:
	move	$4,$18
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L25
	move	$4,$2

	lw	$2,8($2)
	li	$5,24			# 0x18
	sw	$0,224($2)
	li	$6,1			# 0x1
	jal	av_set_pts_info
	li	$7,1000			# 0x3e8

	j	$L34
	andi	$2,$16,0x4

$L25:
	lw	$31,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	li	$2,-12			# 0xfffffffffffffff4
	j	$31
	addiu	$sp,$sp,40

$L33:
	jal	av_new_stream
	li	$5,1			# 0x1

	beq	$2,$0,$L25
	move	$4,$2

	lw	$3,8($2)
	li	$2,1			# 0x1
	sw	$2,224($3)
	li	$5,24			# 0x18
	li	$6,1			# 0x1
	jal	av_set_pts_info
	li	$7,1000			# 0x3e8

	j	$L27
	nop

	.set	macro
	.set	reorder
	.end	flv_read_header
	.globl	__floatsidf
	.section	.rodata.str1.4
	.align	2
$LC1:
	.ascii	"stereo\000"
	.globl	__gtdf2
	.align	2
$LC2:
	.ascii	"duration\000"
	.globl	__muldf3
	.globl	__fixdfdi
	.align	2
$LC4:
	.ascii	"audiocodecid\000"
	.globl	__fixdfsi
	.align	2
$LC5:
	.ascii	"Unsupported audio codec (%x)\012\000"
	.align	2
$LC6:
	.ascii	"videocodecid\000"
	.align	2
$LC7:
	.ascii	"Unsupported video codec (%x)\012\000"
	.align	2
$LC8:
	.ascii	"audiosamplesize\000"
	.globl	__ltdf2
	.globl	__eqdf2
	.align	2
$LC10:
	.ascii	"audiosamplerate\000"
	.globl	__gedf2
	.section	.rodata.cst8,"aM",@progbits,8
	.align	3
$LC3:
	.word	0
	.word	1093567616
	.align	3
$LC9:
	.word	0
	.word	1075838976
	.section	.text.amf_parse_object,"ax",@progbits
	.align	2
	.align	5
	.ent	amf_parse_object
	.type	amf_parse_object, @function
amf_parse_object:
	.frame	$sp,320,$31		# vars= 256, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-320
	sw	$19,292($sp)
	addiu	$19,$4,16
	sw	$fp,312($sp)
	move	$fp,$4
	move	$4,$19
	sw	$21,300($sp)
	sw	$20,296($sp)
	sw	$31,316($sp)
	sw	$23,308($sp)
	sw	$22,304($sp)
	sw	$18,288($sp)
	sw	$17,284($sp)
	sw	$16,280($sp)
	sw	$5,324($sp)
	sw	$6,328($sp)
	sw	$7,332($sp)
	jal	get_byte
	lw	$21,336($sp)

	move	$20,$2
	sltu	$2,$2,14
	beq	$2,$0,$L50
	li	$4,-1			# 0xffffffffffffffff

	lui	$3,%hi($L45)
	sll	$2,$20,2
	addiu	$3,$3,%lo($L45)
	addu	$2,$2,$3
	lw	$4,0($2)
	j	$4
	nop

	.rdata
	.align	2
	.align	2
$L45:
	.word	$L37
	.word	$L38
	.word	$L39
	.word	$L40
	.word	$L36
	.word	$L41
	.word	$L41
	.word	$L36
	.word	$L42
	.word	$L36
	.word	$L43
	.word	$L44
	.word	$L36
	.word	$L41
	.section	.text.amf_parse_object
$L187:
	move	$6,$18
	sra	$7,$18,31
	jal	url_fskip
	move	$4,$19

$L57:
	jal	get_byte
	move	$4,$19

	li	$3,9			# 0x9
	beq	$2,$3,$L198
	move	$22,$0

$L36:
	li	$4,-1			# 0xffffffffffffffff
$L50:
	lw	$31,316($sp)
$L206:
	lw	$fp,312($sp)
	lw	$23,308($sp)
	lw	$22,304($sp)
	lw	$21,300($sp)
	lw	$20,296($sp)
	lw	$19,292($sp)
	lw	$18,288($sp)
	lw	$17,284($sp)
	lw	$16,280($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,320

$L39:
	jal	get_be16
	move	$4,$19

	move	$17,$2
	slt	$2,$2,256
	beq	$2,$0,$L190
	move	$4,$19

	addiu	$16,$sp,24
	move	$5,$16
	move	$6,$17
	jal	get_buffer
	addu	$16,$16,$17

	bltz	$17,$L36
	sb	$0,0($16)

$L41:
	move	$22,$0
$L198:
	move	$23,$0
$L47:
	lw	$3,340($sp)
	li	$2,1			# 0x1
	beq	$3,$2,$L191
	lw	$4,332($sp)

$L67:
	move	$4,$0
$L199:
	lw	$31,316($sp)
	lw	$fp,312($sp)
	lw	$23,308($sp)
	lw	$22,304($sp)
	lw	$21,300($sp)
	lw	$20,296($sp)
	lw	$19,292($sp)
	lw	$18,288($sp)
	lw	$17,284($sp)
	lw	$16,280($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,320

$L191:
	beq	$4,$0,$L67
	lw	$2,324($sp)

	beq	$2,$0,$L72
	move	$17,$0

	lw	$17,8($2)
$L72:
	lw	$4,328($sp)
	beq	$4,$0,$L75
	move	$18,$0

	lw	$18,8($4)
$L75:
	li	$2,1			# 0x1
	beq	$20,$2,$L194
	lui	$16,%hi($LC1)

	bne	$20,$0,$L199
	move	$4,$0

	lui	$16,%hi($LC2)
	jal	strlen
	addiu	$4,$16,%lo($LC2)

	move	$6,$2
	sltu	$2,$2,4
	beq	$2,$0,$L94
	lw	$4,332($sp)

	lbu	$3,%lo($LC2)($16)
	lbu	$2,0($4)
	addiu	$5,$16,%lo($LC2)
	beq	$6,$0,$L96
	subu	$2,$2,$3

	bne	$2,$0,$L98
	nop

	lbu	$2,1($4)
	lbu	$3,1($5)
	sltu	$4,$6,2
	bne	$4,$0,$L96
	subu	$2,$2,$3

	bne	$2,$0,$L98
	lw	$3,332($sp)

	li	$4,2			# 0x2
	lbu	$2,2($3)
	lbu	$3,2($5)
	beq	$6,$4,$L96
	subu	$2,$2,$3

	bne	$2,$0,$L200
	lui	$16,%hi($LC4)

	lw	$4,332($sp)
	lbu	$3,3($5)
	lbu	$2,3($4)
	subu	$2,$2,$3
$L96:
	bne	$2,$0,$L200
	lui	$16,%hi($LC4)

	lui	$2,%hi($LC3)
	lw	$6,%lo($LC3)($2)
	lw	$7,%lo($LC3+4)($2)
	move	$4,$22
	jal	__muldf3
	move	$5,$23

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

	move	$4,$0
	sw	$2,3832($fp)
	j	$L50
	sw	$3,3836($fp)

$L44:
	move	$4,$19
	li	$6,10			# 0xa
	jal	url_fskip
	move	$7,$0

	move	$22,$0
	j	$L47
	move	$23,$0

$L43:
	jal	get_be32
	move	$4,$19

	beq	$2,$0,$L41
	move	$22,$2

	addiu	$2,$21,-1
	move	$16,$2
	lw	$2,340($sp)
	move	$18,$0
	move	$17,$0
	addiu	$23,$2,1
$L63:
	jal	url_ftell
	move	$4,$19

	move	$4,$2
	slt	$2,$3,$17
	bne	$2,$0,$L64
	nop

	bne	$3,$17,$L41
	sltu	$2,$4,$16

	beq	$2,$0,$L41
	nop

$L64:
	move	$4,$fp
	move	$5,$0
	move	$6,$0
	move	$7,$0
	sw	$21,16($sp)
	jal	amf_parse_object
	sw	$23,20($sp)

	bltz	$2,$L36
	addiu	$18,$18,1

	bne	$22,$18,$L63
	nop

	j	$L198
	move	$22,$0

$L42:
	move	$4,$19
	li	$6,4			# 0x4
	jal	url_fskip
	move	$7,$0

	addiu	$2,$21,-2
	addiu	$22,$sp,24
	move	$16,$2
	move	$17,$0
$L55:
	jal	url_ftell
	move	$4,$19

	move	$4,$2
	slt	$2,$3,$17
	bne	$2,$0,$L59
	nop

	bne	$3,$17,$L57
	sltu	$2,$4,$16

	beq	$2,$0,$L57
	nop

$L59:
	jal	get_be16
	move	$4,$19

	move	$18,$2
	slt	$2,$2,256
	beq	$2,$0,$L187
	move	$4,$19

	move	$5,$22
	jal	get_buffer
	move	$6,$18

	addu	$3,$22,$18
	blez	$18,$L57
	sb	$0,0($3)

	lw	$4,340($sp)
	lw	$5,324($sp)
	lw	$6,328($sp)
	addiu	$2,$4,1
	move	$7,$22
	move	$4,$fp
	sw	$2,20($sp)
	jal	amf_parse_object
	sw	$21,16($sp)

	bgez	$2,$L55
	li	$4,-1			# 0xffffffffffffffff

	j	$L206
	lw	$31,316($sp)

$L40:
	addiu	$2,$21,-2
	move	$16,$2
	move	$17,$0
$L46:
	jal	url_ftell
	move	$4,$19

	move	$4,$2
	slt	$2,$3,$17
	bne	$2,$0,$L54
	nop

	bne	$3,$17,$L57
	sltu	$2,$4,$16

	beq	$2,$0,$L57
	nop

$L54:
	jal	get_be16
	move	$4,$19

	beq	$2,$0,$L57
	move	$6,$2

	move	$7,$0
	jal	url_fskip
	move	$4,$19

	lw	$3,340($sp)
	move	$4,$fp
	addiu	$2,$3,1
	move	$5,$0
	move	$6,$0
	move	$7,$0
	sw	$2,20($sp)
	jal	amf_parse_object
	sw	$21,16($sp)

	bgez	$2,$L46
	li	$4,-1			# 0xffffffffffffffff

	j	$L206
	lw	$31,316($sp)

$L38:
	jal	get_byte
	move	$4,$19

	jal	__floatsidf
	move	$4,$2

	move	$22,$2
	j	$L47
	move	$23,$3

$L37:
	jal	get_be64
	move	$4,$19

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

	move	$22,$2
	j	$L47
	move	$23,$3

$L190:
	move	$6,$17
	jal	url_fskip
	sra	$7,$17,31

	j	$L50
	li	$4,-1			# 0xffffffffffffffff

$L94:
	jal	strcmp
	addiu	$5,$16,%lo($LC2)

	j	$L96
	nop

$L98:
	lui	$16,%hi($LC4)
$L200:
	jal	strlen
	addiu	$4,$16,%lo($LC4)

	move	$6,$2
	sltu	$2,$2,4
	beq	$2,$0,$L105
	lw	$4,332($sp)

	lbu	$3,%lo($LC4)($16)
	lbu	$2,0($4)
	addiu	$5,$16,%lo($LC4)
	beq	$6,$0,$L107
	subu	$2,$2,$3

	bne	$2,$0,$L109
	nop

	lbu	$2,1($4)
	lbu	$3,1($5)
	sltu	$4,$6,2
	bne	$4,$0,$L107
	subu	$2,$2,$3

	bne	$2,$0,$L109
	lw	$3,332($sp)

	li	$4,2			# 0x2
	lbu	$2,2($3)
	lbu	$3,2($5)
	beq	$6,$4,$L107
	subu	$2,$2,$3

	bne	$2,$0,$L201
	lui	$16,%hi($LC6)

	lw	$4,332($sp)
	lbu	$3,3($5)
	lbu	$2,3($4)
	subu	$2,$2,$3
$L107:
	bne	$2,$0,$L201
	lui	$16,%hi($LC6)

	beq	$17,$0,$L201
	move	$4,$22

	jal	__fixdfsi
	move	$5,$23

	sll	$16,$2,4
	lw	$2,324($sp)
	lw	$17,8($2)
	li	$2,32			# 0x20
	beq	$16,$2,$L120
	slt	$2,$16,33

	beq	$2,$0,$L123
	li	$2,48			# 0x30

	beq	$16,$0,$L118
	li	$2,8			# 0x8

	li	$2,16			# 0x10
	beq	$16,$2,$L195
	li	$2,65536			# 0x10000

	lui	$6,%hi($LC5)
$L204:
	sra	$16,$16,4
	move	$4,$fp
	addiu	$6,$6,%lo($LC5)
$L188:
	li	$5,1			# 0x1
	jal	av_log
	move	$7,$16

	move	$4,$0
	j	$L50
	sw	$16,232($17)

$L109:
	lui	$16,%hi($LC6)
$L201:
	jal	strlen
	addiu	$4,$16,%lo($LC6)

	move	$6,$2
	sltu	$2,$2,4
	beq	$2,$0,$L130
	lw	$4,332($sp)

	lbu	$3,%lo($LC6)($16)
	lbu	$2,0($4)
	addiu	$5,$16,%lo($LC6)
	beq	$6,$0,$L132
	subu	$2,$2,$3

	bne	$2,$0,$L134
	nop

	lbu	$2,1($4)
	lbu	$3,1($5)
	sltu	$4,$6,2
	bne	$4,$0,$L132
	subu	$2,$2,$3

	bne	$2,$0,$L134
	lw	$3,332($sp)

	li	$4,2			# 0x2
	lbu	$2,2($3)
	lbu	$3,2($5)
	beq	$6,$4,$L132
	subu	$2,$2,$3

	bne	$2,$0,$L202
	lui	$16,%hi($LC8)

	lw	$4,332($sp)
	lbu	$3,3($5)
	lbu	$2,3($4)
	subu	$2,$2,$3
$L132:
	bne	$2,$0,$L202
	lui	$16,%hi($LC8)

	beq	$18,$0,$L202
	move	$4,$22

	jal	__fixdfsi
	move	$5,$23

	move	$16,$2
	lw	$2,328($sp)
	lw	$17,8($2)
	li	$2,3			# 0x3
	beq	$16,$2,$L144
	slt	$2,$16,4

	beq	$2,$0,$L147
	li	$2,4			# 0x4

	li	$2,2			# 0x2
	beq	$16,$2,$L196
	li	$2,22			# 0x16

	lui	$6,%hi($LC7)
$L205:
	move	$4,$fp
	j	$L188
	addiu	$6,$6,%lo($LC7)

$L194:
	jal	strlen
	addiu	$4,$16,%lo($LC1)

	move	$6,$2
	sltu	$2,$2,4
	beq	$2,$0,$L78
	lw	$4,332($sp)

	lbu	$3,%lo($LC1)($16)
	lbu	$2,0($4)
	addiu	$5,$16,%lo($LC1)
	beq	$6,$0,$L80
	subu	$2,$2,$3

	bne	$2,$0,$L67
	nop

	lbu	$2,1($4)
	lbu	$3,1($5)
	sltu	$4,$6,2
	bne	$4,$0,$L80
	subu	$2,$2,$3

	bne	$2,$0,$L199
	move	$4,$0

	lw	$3,332($sp)
	li	$4,2			# 0x2
	lbu	$2,2($3)
	lbu	$3,2($5)
	beq	$6,$4,$L80
	subu	$2,$2,$3

	bne	$2,$0,$L199
	move	$4,$0

	lw	$4,332($sp)
	lbu	$2,3($5)
	lbu	$3,3($4)
	subu	$2,$3,$2
$L80:
	bne	$2,$0,$L199
	move	$4,$0

	beq	$17,$0,$L67
	move	$4,$22

	move	$5,$23
	move	$6,$0
	jal	__gtdf2
	move	$7,$0

	slt	$2,$2,1
	li	$4,1			# 0x1
	li	$3,2			# 0x2
	movn	$3,$4,$2
	move	$4,$0
	j	$L50
	sw	$3,68($17)

$L134:
	lui	$16,%hi($LC8)
$L202:
	jal	strlen
	addiu	$4,$16,%lo($LC8)

	move	$6,$2
	sltu	$2,$2,4
	beq	$2,$0,$L151
	lw	$4,332($sp)

	lbu	$3,%lo($LC8)($16)
	lbu	$2,0($4)
	addiu	$5,$16,%lo($LC8)
	beq	$6,$0,$L153
	subu	$2,$2,$3

	bne	$2,$0,$L155
	nop

	lbu	$2,1($4)
	lbu	$3,1($5)
	sltu	$4,$6,2
	bne	$4,$0,$L153
	subu	$2,$2,$3

	bne	$2,$0,$L155
	lw	$3,332($sp)

	li	$4,2			# 0x2
	lbu	$2,2($3)
	lbu	$3,2($5)
	beq	$6,$4,$L153
	subu	$2,$2,$3

	bne	$2,$0,$L203
	lui	$16,%hi($LC10)

	lw	$4,332($sp)
	lbu	$3,3($5)
	lbu	$2,3($4)
	subu	$2,$2,$3
$L153:
	bne	$2,$0,$L203
	lui	$16,%hi($LC10)

	beq	$17,$0,$L203