wav.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 942 行

	.file	1 "wav.c"
	.section .mdebug.abi32
	.previous
	.section	.text.wav_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_probe
	.type	wav_probe, @function
wav_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	$2,8($4)
	slt	$2,$2,33
	bne	$2,$0,$L2
	nop

	lw	$4,4($4)
	li	$2,82			# 0x52
	lbu	$3,0($4)
	beq	$3,$2,$L15
	nop

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

$L15:
	lbu	$3,1($4)
	li	$2,73			# 0x49
	bne	$3,$2,$L2
	nop

	lbu	$3,2($4)
	li	$2,70			# 0x46
	bne	$3,$2,$L2
	nop

	lbu	$2,3($4)
	bne	$2,$3,$L2
	nop

	lbu	$3,8($4)
	li	$2,87			# 0x57
	bne	$3,$2,$L2
	nop

	lbu	$3,9($4)
	li	$2,65			# 0x41
	bne	$3,$2,$L2
	nop

	lbu	$3,10($4)
	li	$2,86			# 0x56
	bne	$3,$2,$L2
	nop

	lbu	$3,11($4)
	li	$2,69			# 0x45
	bne	$3,$2,$L2
	nop

	j	$31
	li	$2,100			# 0x64

	.set	macro
	.set	reorder
	.end	wav_probe
	.section	.text.wav_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_read_close
	.type	wav_read_close, @function
wav_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	wav_read_close
	.section	.text.wav_write_trailer,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_write_trailer
	.type	wav_write_trailer, @function
wav_write_trailer:
	.frame	$sp,56,$31		# vars= 0, regs= 7/0, args= 24, gp= 0
	.mask	0x803f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$18,32($sp)
	sw	$16,24($sp)
	sw	$31,48($sp)
	sw	$21,44($sp)
	sw	$20,40($sp)
	sw	$19,36($sp)
	sw	$17,28($sp)
	addiu	$18,$4,16
	lw	$2,52($18)
	move	$16,$4
	lw	$19,12($16)
	beq	$2,$0,$L23
	move	$4,$18

	lw	$31,48($sp)
$L24:
	lw	$21,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,56

$L23:
	lw	$6,0($19)
	jal	end_tag
	lw	$7,4($19)

	jal	url_ftell
	move	$4,$18

	move	$20,$2
	li	$6,4			# 0x4
	move	$7,$0
	move	$4,$18
	move	$21,$3
	jal	url_fseek
	sw	$0,16($sp)

	addiu	$5,$20,-8
	jal	put_le32
	move	$4,$18

	move	$6,$20
	move	$7,$21
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	jal	put_flush_packet
	move	$4,$18

	lw	$8,100($16)
	li	$2,1			# 0x1
	lw	$9,8($8)
	lw	$3,232($9)
	beq	$3,$2,$L24
	lw	$31,48($sp)

	lw	$2,24($19)
	lw	$4,16($19)
	lw	$3,28($19)
	lw	$5,20($19)
	subu	$10,$2,$4
	sltu	$6,$2,$10
	subu	$11,$3,$5
	lw	$7,32($19)
	lw	$5,64($9)
	subu	$11,$11,$6
	lw	$6,64($8)
	addu	$12,$10,$7
	mult	$5,$6
	sra	$3,$7,31
	lw	$8,68($8)
	sltu	$4,$12,$10
	addu	$13,$11,$3
	addu	$13,$4,$13
	mflo	$6
	mfhi	$7
	move	$4,$12
	move	$5,$13
	sra	$2,$8,31
	sw	$8,16($sp)
	jal	av_rescale
	sw	$2,20($sp)

	move	$16,$2
	lw	$2,0($19)
	lw	$3,4($19)
	addiu	$6,$2,-12
	sltu	$5,$6,$2
	addiu	$7,$3,-1
	addu	$7,$5,$7
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	move	$5,$16
	jal	put_le32
	move	$4,$18

	move	$6,$20
	move	$7,$21
	move	$4,$18
	jal	url_fseek
	sw	$0,16($sp)

	jal	put_flush_packet
	move	$4,$18

	lw	$31,48($sp)
	lw	$21,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,56

	.set	macro
	.set	reorder
	.end	wav_write_trailer
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"wav_write_packet: NOPTS\012\000"
	.section	.text.wav_write_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_write_packet
	.type	wav_write_packet, @function
wav_write_packet:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$31,28($sp)
	sw	$16,16($sp)
	move	$18,$5
	lw	$6,20($18)
	lw	$5,16($5)
	move	$17,$4
	addiu	$4,$4,16
	jal	put_buffer
	lw	$16,12($17)

	lw	$4,0($18)
	bne	$4,$0,$L28
	lw	$5,4($18)

	li	$2,-2147483648			# 0xffffffff80000000
	beq	$5,$2,$L26
	nop

$L28:
	lw	$7,20($16)
	slt	$2,$5,$7
	beq	$2,$0,$L35
	lw	$6,16($16)

$L29:
	sw	$4,16($16)
	sw	$5,20($16)
	lw	$7,4($18)
	lw	$5,28($16)
	lw	$4,24($16)
	slt	$2,$5,$7
	beq	$2,$0,$L36
	lw	$6,0($18)

$L31:
	lw	$2,32($18)
	sw	$6,24($16)
	sw	$2,32($16)
	sw	$7,28($16)
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L36:
	beq	$5,$7,$L37
	sltu	$2,$4,$6

	move	$6,$4
	j	$L31
	move	$7,$5

$L35:
	beq	$5,$7,$L38
	sltu	$2,$4,$6

	move	$4,$6
$L39:
	move	$5,$7
	sw	$4,16($16)
	sw	$5,20($16)
	lw	$7,4($18)
	lw	$5,28($16)
	lw	$4,24($16)
	slt	$2,$5,$7
	bne	$2,$0,$L31
	lw	$6,0($18)

	j	$L36
	nop

$L26:
	lui	$6,%hi($LC0)
	move	$4,$17
	addiu	$6,$6,%lo($LC0)
	jal	av_log
	move	$5,$0

	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L38:
	bne	$2,$0,$L29
	nop

	j	$L39
	move	$4,$6

$L37:
	bne	$2,$0,$L31
	nop

	move	$6,$4
	j	$L31
	move	$7,$5

	.set	macro
	.set	reorder
	.end	wav_write_packet
	.section	.text.wav_read_seek,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_read_seek
	.type	wav_read_seek, @function
wav_read_seek:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$2,100($4)
	lw	$3,8($2)
	li	$2,-131072			# 0xfffffffffffe0000
	lw	$8,228($3)
	ori	$2,$2,0xb000
	addu	$8,$8,$2
	li	$3,1			# 0x1
	sll	$3,$3,$8
	sltu	$8,$8,6
	andi	$3,$3,0x33
	beq	$8,$0,$L41
	lw	$2,16($sp)

	beq	$3,$0,$L41
	nop

	j	$31
	li	$2,-1			# 0xffffffffffffffff

$L41:
	j	pcm_read_seek
	sw	$2,16($sp)

	.set	macro
	.set	reorder
	.end	wav_read_seek
	.section	.rodata.str1.4
	.align	2
$LC1:
	.ascii	"RIFF\000"
	.align	2
$LC2:
	.ascii	"WAVE\000"
	.align	2
$LC3:
	.ascii	"fmt \000"
	.align	2
$LC4:
	.ascii	"fact\000"
	.align	2
$LC5:
	.ascii	"data\000"
	.section	.text.wav_write_header,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_write_header
	.type	wav_write_header, @function
wav_write_header:
	.frame	$sp,40,$31		# vars= 0, regs= 6/0, args= 16, gp= 0
	.mask	0x801f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sw	$18,24($sp)
	lui	$5,%hi($LC1)
	addiu	$18,$4,16
	sw	$31,36($sp)
	sw	$20,32($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$20,$4
	sw	$19,28($sp)
	addiu	$5,$5,%lo($LC1)
	move	$4,$18
	jal	put_tag
	lw	$19,12($20)

	move	$4,$18
	jal	put_le32
	move	$5,$0

	lui	$5,%hi($LC2)
	move	$4,$18
	jal	put_tag
	addiu	$5,$5,%lo($LC2)

	lui	$5,%hi($LC3)
	move	$4,$18
	jal	start_tag
	addiu	$5,$5,%lo($LC3)

	move	$16,$2
	lw	$2,100($20)
	move	$4,$18
	lw	$5,8($2)
	jal	put_wav_header
	move	$17,$3

	move	$6,$16
	move	$7,$17
	bltz	$2,$L54
	move	$4,$18

	jal	end_tag
	nop

	lw	$6,100($20)
	li	$3,1			# 0x1
	lw	$2,8($6)
	lw	$4,232($2)
	beq	$4,$3,$L56
	lui	$5,%hi($LC4)

	lw	$2,52($18)
	addiu	$5,$5,%lo($LC4)
	beq	$2,$0,$L55
	move	$4,$18

$L50:
	lw	$2,8($6)
$L56:
	move	$4,$6
	lw	$7,64($2)
	li	$6,1			# 0x1
	jal	av_set_pts_info
	li	$5,64			# 0x40

	li	$3,2147418112			# 0x7fff0000
	li	$2,-1			# 0xffffffffffffffff
	ori	$3,$3,0xffff
	sw	$2,16($19)
	sw	$3,20($19)
	move	$2,$0
	move	$3,$0
	lui	$5,%hi($LC5)
	addiu	$5,$5,%lo($LC5)
	move	$4,$18
	sw	$0,32($19)
	sw	$2,24($19)
	jal	start_tag
	sw	$3,28($19)

	sw	$2,0($19)
	sw	$3,4($19)
	jal	put_flush_packet
	move	$4,$18

	move	$2,$0
$L49:
	lw	$31,36($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,40

$L55:
	jal	start_tag
	nop

	move	$16,$2
	move	$17,$3
	move	$4,$18
	jal	put_le32
	move	$5,$0

	move	$6,$16
	move	$4,$18
	jal	end_tag
	move	$7,$17

	j	$L50
	lw	$6,100($20)

$L54:
	jal	av_free
	move	$4,$19

	j	$L49
	li	$2,-1			# 0xffffffffffffffff

	.set	macro
	.set	reorder
	.end	wav_write_header
	.section	.text.wav_read_header,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_read_header
	.type	wav_read_header, @function
wav_read_header:
	.frame	$sp,56,$31		# vars= 0, regs= 8/0, args= 24, gp= 0
	.mask	0x807f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	sw	$17,28($sp)
	addiu	$17,$4,16
	sw	$18,32($sp)
	sw	$31,52($sp)
	sw	$22,48($sp)
	sw	$21,44($sp)
	sw	$20,40($sp)
	sw	$19,36($sp)
	sw	$16,24($sp)
	move	$18,$4
	move	$4,$17
	jal	get_le32
	lw	$19,12($18)

	li	$3,1178992640			# 0x46460000
	ori	$3,$3,0x4952
	beq	$2,$3,$L77
	li	$2,-1			# 0xffffffffffffffff

$L74:
	lw	$31,52($sp)
	lw	$22,48($sp)
	lw	$21,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	j	$31
	addiu	$sp,$sp,56

$L77:
	jal	get_le32
	move	$4,$17

	jal	get_le32
	move	$4,$17

	li	$3,1163264000			# 0x45560000
	ori	$3,$3,0x4157
	bne	$2,$3,$L74
	li	$2,-1			# 0xffffffffffffffff

	li	$2,544473088			# 0x20740000
	ori	$21,$2,0x6d66
	j	$L60
	li	$22,1			# 0x1

$L78:
	jal	get_le32
	nop

	move	$4,$17
	jal	get_le32
	move	$16,$2

	move	$20,$2
	beq	$16,$21,$L62
	move	$4,$17

	move	$6,$2
	sra	$7,$2,31
	jal	url_fseek
	sw	$22,16($sp)

$L60:
	jal	url_feof
	move	$4,$17

	beq	$2,$0,$L78
	move	$4,$17

	j	$L74
	li	$2,-1			# 0xffffffffffffffff

$L62:
	bltz	$2,$L79
	li	$2,2147418112			# 0x7fff0000

$L65:
	move	$4,$18
	jal	av_new_stream
	move	$5,$0

	beq	$2,$0,$L80
	move	$16,$2

	lw	$5,8($16)
	move	$6,$20
	jal	get_wav_header
	move	$4,$17

	lw	$2,8($16)
	li	$3,1			# 0x1
	lw	$7,64($2)
	sw	$3,108($16)
	move	$4,$16
	li	$5,64			# 0x40
	jal	av_set_pts_info
	li	$6,1			# 0x1

	li	$2,1634992128			# 0x61740000
	ori	$18,$2,0x6164
	j	$L67
	li	$20,1			# 0x1

$L81:
	jal	get_le32
	nop

	move	$16,$2
	jal	get_le32
	move	$4,$17

	beq	$16,$18,$L69
	move	$4,$17

	move	$6,$2
	sra	$7,$2,31
	jal	url_fseek
	sw	$20,16($sp)

$L67:
	jal	url_feof
	move	$4,$17

	beq	$2,$0,$L81
	move	$4,$17

	j	$L74
	li	$2,-1			# 0xffffffffffffffff

$L69:
	bltz	$2,$L71
	li	$20,2147418112			# 0x7fff0000

	move	$20,$2
	sra	$21,$2,31
$L73:
	jal	url_ftell
	move	$4,$17

	addu	$4,$2,$20
	sltu	$6,$4,$2
	addu	$5,$3,$21
	addu	$5,$6,$5
	move	$2,$0
	sw	$4,8($19)
	j	$L74
	sw	$5,12($19)

$L80:
	j	$L74
	li	$2,-12			# 0xfffffffffffffff4

$L79:
	j	$L65
	ori	$20,$2,0xffff

$L71:
	ori	$20,$20,0xffff
	j	$L73
	move	$21,$0

	.set	macro
	.set	reorder
	.end	wav_read_header
	.section	.text.wav_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	wav_read_packet
	.type	wav_read_packet, @function
wav_read_packet:
	.frame	$sp,64,$31		# vars= 0, regs= 9/0, args= 24, gp= 0
	.mask	0x80ff0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-64
	sw	$18,32($sp)
	addiu	$18,$4,16
	sw	$22,48($sp)
	sw	$17,28($sp)
	sw	$31,56($sp)
	move	$17,$4
	sw	$23,52($sp)
	sw	$21,44($sp)
	sw	$20,40($sp)
	sw	$19,36($sp)
	sw	$16,24($sp)
	move	$4,$18
	move	$22,$5
	jal	url_feof
	lw	$19,12($17)

	beq	$2,$0,$L99
	move	$4,$18

	lw	$31,56($sp)
$L102:
	lw	$23,52($sp)
	lw	$22,48($sp)
	lw	$21,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	li	$2,-5			# 0xfffffffffffffffb
	j	$31
	addiu	$sp,$sp,64

$L99:
	lw	$16,8($19)
	jal	url_ftell
	lw	$23,100($17)

	subu	$17,$16,$2
	bgtz	$17,$L85
	li	$2,1634992128			# 0x61740000

	ori	$20,$2,0x6164
	j	$L86
	li	$21,1			# 0x1

$L100:
	jal	get_le32
	nop

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

	move	$17,$2
	beq	$16,$20,$L88
	move	$4,$18

	move	$6,$2
	sra	$7,$2,31
	jal	url_fseek
	sw	$21,16($sp)

$L86:
	jal	url_feof
	move	$4,$18

	beq	$2,$0,$L100
	move	$4,$18

	j	$L102
	lw	$31,56($sp)

$L88:
	bltz	$2,$L90
	li	$20,2147418112			# 0x7fff0000

	move	$20,$2
	sra	$21,$2,31
$L92:
	jal	url_ftell
	move	$4,$18

	addu	$4,$2,$20
	sltu	$6,$4,$2
	addu	$5,$3,$21
	addu	$5,$6,$5
	sw	$4,8($19)
	sw	$5,12($19)
$L85:
	lw	$2,8($23)
	lw	$4,272($2)
	slt	$3,$4,2
	bne	$3,$0,$L101
	li	$2,4096			# 0x1000

	slt	$3,$4,4096
	movz	$2,$4,$3
	div	$0,$2,$4
	teq	$4,$0,7
	mflo	$2
	mul	$3,$4,$2
$L95:
	slt	$2,$17,$3
	movz	$17,$3,$2
	move	$4,$18
	move	$6,$17
	jal	av_get_packet
	move	$5,$22

	blez	$2,$L102
	lw	$31,56($sp)

	sw	$2,20($22)
	sw	$0,24($22)
	lw	$31,56($sp)
	lw	$23,52($sp)
	lw	$22,48($sp)
	lw	$21,44($sp)
	lw	$20,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	j	$31
	addiu	$sp,$sp,64

$L101:
	j	$L95
	li	$3,4096			# 0x1000

$L90:
	li	$2,2147418112			# 0x7fff0000
	ori	$17,$2,0xffff
	ori	$20,$20,0xffff
	j	$L92
	move	$21,$0

	.set	macro
	.set	reorder
	.end	wav_read_packet
	.globl	wav_demuxer
	.section	.rodata.str1.4
	.align	2
$LC6:
	.ascii	"wav\000"
	.align	2
$LC7:
	.ascii	"wav format\000"
	.data
	.align	2
	.type	wav_demuxer, @object
	.size	wav_demuxer, 64
wav_demuxer:
	.word	$LC6
	.word	$LC7
	.word	40
	.word	wav_probe
	.word	wav_read_header
	.word	wav_read_packet
	.word	wav_read_close
	.word	wav_read_seek
	.space	4
	.word	256
	.space	16
	.word	__compound_literal.0
	.space	4
	.globl	wav_muxer
	.section	.rodata.str1.4
	.align	2
$LC8:
	.ascii	"audio/x-wav\000"
	.data
	.align	2
	.type	wav_muxer, @object
	.size	wav_muxer, 64
wav_muxer:
	.word	$LC6
	.word	$LC7
	.word	$LC8
	.word	$LC6
	.word	40
	.word	65536
	.word	0
	.word	wav_write_header
	.word	wav_write_packet
	.word	wav_write_trailer
	.space	12
	.word	__compound_literal.1
	.space	8
	.align	2
	.type	__compound_literal.0, @object
	.size	__compound_literal.0, 8
__compound_literal.0:
	.word	codec_wav_tags
	.word	0
	.align	2
	.type	__compound_literal.1, @object
	.size	__compound_literal.1, 8
__compound_literal.1:
	.word	codec_wav_tags
	.word	0
	.ident	"GCC: (GNU) 4.1.2"