ffm.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 3,902 行 · 第 1/4 页

	move	$4,$fp

	j	$L357
	subu	$2,$8,$10

$L333:
	j	$L338
	lw	$8,12($7)

	.set	macro
	.set	reorder
	.end	ffm_seek
	.globl	__addsf3
	.globl	__adddf3
	.globl	__truncdfsf2
	.section	.rodata.cst8
	.align	3
$LC5:
	.word	0
	.word	1106247680
	.align	3
$LC6:
	.word	-350469331
	.word	1058682594
	.section	.text.ffm_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	ffm_read_header
	.type	ffm_read_header, @function
ffm_read_header:
	.frame	$sp,224,$31		# vars= 160, regs= 9/0, args= 24, gp= 0
	.mask	0x80ff0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-224
	sw	$18,192($sp)
	addiu	$18,$4,16
	sw	$19,196($sp)
	sw	$31,216($sp)
	sw	$23,212($sp)
	sw	$22,208($sp)
	sw	$21,204($sp)
	sw	$20,200($sp)
	sw	$17,188($sp)
	sw	$16,184($sp)
	move	$19,$4
	move	$4,$18
	jal	get_le32
	lw	$22,12($19)

	li	$3,827129856			# 0x314d0000
	ori	$3,$3,0x4646
	bne	$2,$3,$L371
	nop

	jal	get_be32
	move	$4,$18

	li	$3,4096			# 0x1000
	beq	$2,$3,$L430
	sw	$2,36($22)

$L371:
	lw	$3,96($19)
	beq	$3,$0,$L421
	move	$17,$19

	move	$18,$0
$L423:
	lw	$16,100($17)
	addiu	$18,$18,1
	addiu	$17,$17,4
	beq	$16,$0,$L424
	addiu	$4,$16,20

	jal	av_freep
	nop

	jal	av_free
	move	$4,$16

	lw	$3,96($19)
$L424:
	sltu	$2,$18,$3
	bne	$2,$0,$L423
	nop

$L421:
	li	$4,-1			# 0xffffffffffffffff
$L420:
	lw	$31,216($sp)
	lw	$23,212($sp)
	lw	$22,208($sp)
	lw	$21,204($sp)
	lw	$20,200($sp)
	lw	$19,196($sp)
	lw	$18,192($sp)
	lw	$17,188($sp)
	lw	$16,184($sp)
	move	$2,$4
	j	$31
	addiu	$sp,$sp,224

$L430:
	jal	get_be64
	move	$4,$18

	lw	$4,52($18)
	sw	$2,0($22)
	beq	$4,$0,$L431
	sw	$3,4($22)

	li	$3,2147418112			# 0x7fff0000
	li	$2,-1			# 0xffffffffffffffff
	ori	$3,$3,0xffff
	sw	$2,8($22)
	sw	$3,12($22)
$L405:
	jal	get_be32
	move	$4,$18

	move	$23,$2
	jal	get_be32
	move	$4,$18

	blez	$23,$L429
	move	$20,$19

	move	$21,$0
$L408:
	move	$4,$19
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L371
	move	$16,$2

	jal	av_mallocz
	li	$4,8			# 0x8

	beq	$2,$0,$L371
	move	$17,$2

	li	$7,983040			# 0xf0000
	ori	$7,$7,0x4240
	li	$5,64			# 0x40
	li	$6,1			# 0x1
	move	$4,$16
	jal	av_set_pts_info
	sw	$16,100($20)

	sw	$17,20($16)
	move	$4,$18
	jal	get_be32
	lw	$17,8($16)

	sw	$2,228($17)
	jal	get_byte
	move	$4,$18

	sw	$2,224($17)
	jal	get_be32
	move	$4,$18

	sw	$2,4($17)
	jal	get_be32
	move	$4,$18

	bltz	$2,$L412
	move	$4,$2

	jal	__floatsisf
	nop

	move	$4,$18
$L445:
	jal	get_be32
	sw	$2,84($16)

	sw	$2,12($17)
	jal	get_be32
	move	$4,$18

	sw	$2,604($17)
	jal	get_be32
	move	$4,$18

	lw	$3,224($17)
	beq	$3,$0,$L413
	sw	$2,412($17)

	li	$2,1			# 0x1
	bne	$3,$2,$L371
	nop

	jal	get_be32
	move	$4,$18

	sw	$2,64($17)
	jal	get_le16
	move	$4,$18

	sw	$2,68($17)
	jal	get_le16
	move	$4,$18

	j	$L417
	sw	$2,76($17)

$L418:
	jal	get_byte
	nop

$L429:
	jal	url_ftell
	move	$4,$18

	lw	$4,36($22)
	move	$5,$3
	move	$6,$4
	sra	$7,$4,31
	jal	__moddi3
	move	$4,$2

	or	$2,$2,$3
	bne	$2,$0,$L418
	move	$4,$18

	addiu	$3,$22,64
	li	$2,1			# 0x1
	move	$6,$0
	move	$7,$0
	move	$4,$0
	sw	$2,28($22)
	sw	$3,60($22)
	sw	$3,56($22)
	sw	$0,40($22)
	sw	$6,48($22)
	sw	$7,52($22)
	j	$L420
	sw	$0,16($22)

$L413:
	jal	get_be32
	move	$4,$18

	sw	$2,32($17)
	jal	get_be32
	move	$4,$18

	sw	$2,36($17)
	jal	get_be16
	move	$4,$18

	sw	$2,40($17)
	jal	get_be16
	move	$4,$18

	sw	$2,44($17)
	jal	get_be16
	move	$4,$18

	sw	$2,48($17)
	jal	get_be32
	move	$4,$18

	sw	$2,52($17)
	jal	get_byte
	move	$4,$18

	sw	$2,100($17)
	jal	get_byte
	move	$4,$18

	sw	$2,104($17)
	jal	get_byte
	move	$4,$18

	sw	$2,108($17)
	jal	get_be16
	move	$4,$18

	move	$4,$2
	jal	__floatsidf
	move	$16,$2

	move	$4,$2
	bltz	$16,$L432
	move	$5,$3

$L415:
	lui	$2,%hi($LC6)
	addiu	$2,$2,%lo($LC6)
	lw	$6,0($2)
	jal	__muldf3
	lw	$7,4($2)

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	sw	$2,92($17)
	jal	get_be16
	move	$4,$18

	move	$4,$2
	jal	__floatsidf
	move	$16,$2

	move	$4,$2
	bltz	$16,$L433
	move	$5,$3

$L416:
	lui	$3,%hi($LC6)
	addiu	$3,$3,%lo($LC6)
	lw	$7,4($3)
	jal	__muldf3
	lw	$6,0($3)

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	sw	$2,96($17)
	jal	get_be32
	move	$4,$18

	sw	$2,8($17)
	li	$6,128			# 0x80
	addiu	$5,$sp,24
	jal	get_strz
	move	$4,$18

	jal	av_strdup
	move	$4,$2

	sw	$2,312($17)
	jal	get_be32
	move	$4,$18

	sw	$2,316($17)
	jal	get_be32
	move	$4,$18

	sw	$2,320($17)
	jal	get_be32
	move	$4,$18

	sw	$2,324($17)
	jal	get_be64
	move	$4,$18

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

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	sw	$2,332($17)
	jal	get_be64
	move	$4,$18

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

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	sw	$2,116($17)
	jal	get_be64
	move	$4,$18

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

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	sw	$2,336($17)
	jal	get_be64
	move	$4,$18

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

	move	$5,$3
	jal	__truncdfsf2
	move	$4,$2

	sw	$2,252($17)
	jal	get_be32
	move	$4,$18

	sw	$2,344($17)
	jal	get_be32
	move	$4,$18

	sw	$2,248($17)
	jal	get_be32
	move	$4,$18

	sw	$2,112($17)
	jal	get_be32
	move	$4,$18

	sw	$2,240($17)
	jal	get_be32
	move	$4,$18

	sw	$2,244($17)
	jal	get_be32
	move	$4,$18

	sw	$2,280($17)
	jal	get_be32
	move	$4,$18

	sw	$2,640($17)
	jal	get_be32
	move	$4,$18

	sw	$2,20($17)
	jal	get_be32
	move	$4,$18

	sw	$2,556($17)
	jal	get_be32
	move	$4,$18

	sw	$2,644($17)
	jal	get_be32
	move	$4,$18

	sw	$2,688($17)
	jal	get_be64
	move	$4,$18

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

	move	$4,$2
	jal	__truncdfsf2
	move	$5,$3

	sw	$2,328($17)
	jal	get_be32
	move	$4,$18

	sw	$2,232($17)
$L417:
	addiu	$21,$21,1
	bne	$23,$21,$L408
	addiu	$20,$20,4

	j	$L429
	nop

$L412:
	srl	$2,$2,1
	andi	$4,$4,0x1
	jal	__floatsisf
	or	$4,$4,$2

	move	$4,$2
	jal	__addsf3
	move	$5,$2

	j	$L445
	move	$4,$18

$L431:
	jal	url_fsize
	move	$4,$18

	sw	$2,8($22)
	lw	$23,12($19)
	move	$4,$18
	jal	url_ftell
	sw	$3,12($22)

	sw	$2,176($sp)
	lw	$5,12($19)
	lw	$2,8($23)
	sw	$3,180($sp)
	lw	$3,12($23)
	addiu	$16,$2,-8192
	lw	$11,12($5)
	lw	$9,4($5)
	sltu	$4,$16,$2
	addiu	$17,$3,-1
	addu	$17,$4,$17
	slt	$2,$9,$11
	lw	$10,8($5)
	lw	$8,0($5)
	sw	$16,152($sp)
	bne	$2,$0,$L376
	sw	$17,156($sp)

	beq	$9,$11,$L434
	subu	$2,$8,$10

$L448:
	sltu	$6,$8,$2
	subu	$3,$9,$11
	addiu	$4,$2,4096
	subu	$6,$3,$6
	sltu	$2,$4,$2
	addu	$5,$2,$6
	move	$8,$4
	move	$9,$5
$L376:
	move	$6,$8
$L455:
	move	$7,$9
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	li	$6,4			# 0x4
	move	$4,$18
	jal	url_fskip
	move	$7,$0

	jal	get_be64
	move	$4,$18

	lw	$6,12($19)
	move	$20,$2
	lw	$4,0($6)
	lw	$5,4($6)
	addu	$2,$16,$4
	lw	$11,12($6)
	move	$21,$3
	lw	$10,8($6)
	addu	$3,$17,$5
	sltu	$6,$2,$16
	addu	$3,$6,$3
	slt	$4,$3,$11
	move	$8,$2
	bne	$4,$0,$L379
	move	$9,$3

	beq	$3,$11,$L435
	sltu	$2,$2,$10

	subu	$2,$8,$10
$L449:
	sltu	$6,$8,$2
	subu	$3,$9,$11
	addiu	$4,$2,4096
	subu	$6,$3,$6
	sltu	$2,$4,$2
	addu	$5,$2,$6
	move	$8,$4
	move	$9,$5
$L379:
	move	$6,$8
$L456:
	move	$7,$9
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	li	$6,4			# 0x4
	move	$4,$18
	jal	url_fskip
	move	$7,$0

	jal	get_be64
	move	$4,$18

	li	$4,-131072			# 0xfffffffffffe0000
	ori	$4,$4,0x7960
	addu	$8,$2,$4
	sltu	$6,$8,$2
	addiu	$9,$3,-1
	addu	$9,$6,$9
	slt	$2,$21,$9
	bne	$2,$0,$L382
	nop

	beq	$21,$9,$L436
	sltu	$2,$20,$8

	lw	$2,12($19)
$L450:
	li	$4,4096			# 0x1000
	move	$5,$0
	sw	$4,0($23)
	sw	$5,4($23)
	lw	$9,12($2)
	lw	$5,4($2)
	lw	$8,8($2)
	slt	$3,$5,$9
	bne	$3,$0,$L385
	lw	$4,0($2)

	beq	$5,$9,$L437
	subu	$2,$4,$8

	sltu	$6,$4,$2
$L460:
	subu	$3,$5,$9
	addiu	$4,$2,4096
	subu	$6,$3,$6
	sltu	$2,$4,$2
	addu	$5,$2,$6
$L385:
	move	$7,$5
	move	$6,$4
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	li	$6,4			# 0x4
	move	$4,$18
	jal	url_fskip
	move	$7,$0

	jal	get_be64
	move	$4,$18

	lw	$6,12($19)
	sw	$2,160($sp)
	lw	$4,0($6)
	lw	$5,4($6)
	addu	$2,$16,$4
	lw	$11,12($6)
	sw	$3,164($sp)
	lw	$10,8($6)
	addu	$3,$17,$5
	sltu	$6,$2,$16
	addu	$3,$6,$3
	slt	$4,$3,$11
	move	$8,$2
	bne	$4,$0,$L388
	move	$9,$3

	beq	$3,$11,$L438
	sltu	$2,$2,$10

	subu	$2,$8,$10
$L451:
	sltu	$6,$8,$2
	subu	$3,$9,$11
	addiu	$4,$2,4096
	subu	$6,$3,$6
	sltu	$2,$4,$2
	addu	$5,$2,$6
	move	$8,$4
	move	$9,$5
$L388:
	move	$6,$8
$L458:
	move	$7,$9
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	li	$6,4			# 0x4
	move	$7,$0
	jal	url_fskip
	move	$4,$18

	jal	get_be64
	move	$4,$18

	move	$20,$2
	li	$2,-131072			# 0xfffffffffffe0000
	ori	$2,$2,0x7960
	addu	$6,$20,$2
	addiu	$7,$3,-1
	move	$21,$3
	sltu	$4,$6,$20
	lw	$3,164($sp)
	addu	$7,$4,$7
	slt	$2,$3,$7
	bne	$2,$0,$L382
	nop

	beq	$3,$7,$L439
	lw	$5,160($sp)

	move	$6,$0
	move	$7,$0
$L459:
	sw	$6,168($sp)
	j	$L393
	sw	$7,172($sp)

$L444:
	beq	$21,$7,$L440
	sltu	$2,$20,$6

$L395:
	move	$20,$8
$L447:
	move	$21,$9
	sw	$16,152($sp)
	sw	$17,156($sp)
$L393:
	lw	$7,168($sp)
	lw	$4,152($sp)
	lw	$6,172($sp)
	addu	$2,$7,$4
	sltu	$4,$2,$7
	lw	$7,156($sp)
	addu	$3,$6,$7
	addu	$3,$4,$3
	move	$6,$2
	bltz	$3,$L441
	move	$7,$3

$L396:
	sll	$2,$7,19
	srl	$4,$6,13
	or	$4,$2,$4
	sra	$5,$7,13
	srl	$2,$4,20
	sll	$17,$5,12
	or	$17,$2,$17
	lw	$2,168($sp)
	sll	$16,$4,12
	beq	$16,$2,$L442
	lw	$3,172($sp)

$L400:
	lw	$6,12($19)
	lw	$4,0($6)
	lw	$5,4($6)
	addu	$2,$16,$4
	lw	$11,12($6)
	lw	$10,8($6)
	addu	$3,$17,$5
	sltu	$6,$2,$16
	addu	$3,$6,$3
	slt	$4,$3,$11
	move	$8,$2
	bne	$4,$0,$L401
	move	$9,$3

	beq	$3,$11,$L443
	sltu	$2,$2,$10

	subu	$2,$8,$10
$L446:
	sltu	$6,$8,$2
	subu	$3,$9,$11
	addiu	$4,$2,4096
	subu	$6,$3,$6
	sltu	$2,$4,$2
	addu	$5,$2,$6
	move	$8,$4
	move	$9,$5
$L401:
	move	$6,$8
$L454:
	move	$7,$9
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	li	$6,4			# 0x4
	move	$7,$0
	jal	url_fskip
	move	$4,$18

	jal	get_be64
	move	$4,$18

	move	$8,$2
	li	$2,-131072			# 0xfffffffffffe0000
	ori	$2,$2,0x7960
	addu	$6,$8,$2
	sltu	$4,$6,$8
	addiu	$7,$3,-1
	addu	$7,$4,$7
	slt	$2,$21,$7
	beq	$2,$0,$L444
	move	$9,$3

$L394:
	sw	$16,168($sp)
	sw	$17,172($sp)
	lw	$16,152($sp)
	lw	$17,156($sp)
	move	$8,$20
	j	$L395
	move	$9,$21

$L442:
	bne	$17,$3,$L400
	lw	$6,152($sp)

	lw	$2,0($23)
	lw	$3,4($23)
	lw	$7,156($sp)
	addu	$4,$2,$6
	sltu	$6,$4,$2
	addu	$5,$3,$7
	addu	$5,$6,$5
	sw	$4,0($23)
	sw	$5,4($23)
$L382:
	lw	$6,176($sp)
$L457:
	lw	$7,180($sp)
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	j	$L405
	nop

$L432:
	lui	$2,%hi($LC5)
	lw	$6,%lo($LC5)($2)
	jal	__adddf3
	lw	$7,%lo($LC5+4)($2)

	move	$4,$2
	j	$L415
	move	$5,$3

$L433:
	lui	$2,%hi($LC5)
	lw	$6,%lo($LC5)($2)
	jal	__adddf3
	lw	$7,%lo($LC5+4)($2)

	move	$4,$2
	j	$L416
	move	$5,$3

$L441:
	addiu	$2,$2,8191
	sltu	$4,$2,$6
	addu	$3,$4,$3
	move	$6,$2
	j	$L396
	move	$7,$3

$L443:
	bne	$2,$0,$L454
	move	$6,$8

	j	$L446
	subu	$2,$8,$10

$L440:
	bne	$2,$0,$L394
	nop

	j	$L447
	move	$20,$8

$L434:
	sltu	$2,$8,$10
	bne	$2,$0,$L455
	move	$6,$8

	j	$L448
	subu	$2,$8,$10

$L435:
	bne	$2,$0,$L456
	move	$6,$8

	j	$L449
	subu	$2,$8,$10

$L436:
	bne	$2,$0,$L457
	lw	$6,176($sp)

	j	$L450
	lw	$2,12($19)

$L438:
	bne	$2,$0,$L458
	move	$6,$8

	j	$L451
	subu	$2,$8,$10

$L439:
	sltu	$2,$5,$6
	bne	$2,$0,$L382
	move	$6,$0

	j	$L459
	move	$7,$0

$L437:
	sltu	$2,$4,$8
	bne	$2,$0,$L385
	subu	$2,$4,$8

	j	$L460
	sltu	$6,$4,$2

	.set	macro
	.set	reorder
	.end	ffm_read_header
	.globl	ffm_nopts
	.section	.bss
	.align	2
	.type	ffm_nopts, @object
	.size	ffm_nopts, 4
ffm_nopts:
	.space	4
	.globl	ffm_demuxer
	.section	.rodata.str1.4
	.align	2
$LC7:
	.ascii	"ffm\000"
	.align	2
$LC8:
	.ascii	"ffm format\000"
	.data
	.align	2
	.type	ffm_demuxer, @object
	.size	ffm_demuxer, 64
ffm_demuxer:
	.word	$LC7
	.word	$LC8
	.word	4160
	.word	ffm_probe
	.word	ffm_read_header
	.word	ffm_read_packet
	.word	ffm_read_close
	.word	ffm_seek
	.space	32
	.globl	ffm_muxer
	.section	.rodata.str1.4
	.subsection	-1
	.align	2
$LC9:
	.ascii	"\000"
	.data
	.align	2
	.type	ffm_muxer, @object
	.size	ffm_muxer, 64
ffm_muxer:
	.word	$LC7
	.word	$LC8
	.word	$LC9
	.word	$LC7
	.word	4160
	.word	86016
	.word	1
	.word	ffm_write_header
	.word	ffm_write_packet
	.word	ffm_write_trailer
	.space	24
	.rdata
	.align	2
	.type	__PRETTY_FUNCTION__.5874, @object
	.size	__PRETTY_FUNCTION__.5874, 17
__PRETTY_FUNCTION__.5874:
	.ascii	"ffm_write_header\000"
	.ident	"GCC: (GNU) 4.1.2"