riff.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 1,236 行 · 第 1/2 页

	.file	1 "riff.c"
	.section .mdebug.abi32
	.previous
	.section	.text.ff_parse_specific_params,"ax",@progbits
	.align	2
	.align	5
	.globl	ff_parse_specific_params
	.ent	ff_parse_specific_params
	.type	ff_parse_specific_params, @function
ff_parse_specific_params:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$17,20($sp)
	sw	$16,16($sp)
	sw	$31,24($sp)
	lw	$2,272($4)
	move	$17,$5
	sw	$2,0($6)
	lw	$3,76($4)
	beq	$3,$0,$L2
	move	$16,$7

	lw	$2,64($4)
	bne	$2,$0,$L13
	nop

$L2:
	lw	$2,224($4)
	bne	$2,$0,$L6
	nop

	lw	$2,32($4)
	sw	$2,0($16)
	lw	$3,36($4)
	sw	$3,0($17)
$L5:
	lw	$2,0($16)
	move	$6,$3
	move	$4,$2
	sra	$5,$2,31
	jal	ff_gcd
	sra	$7,$3,31

	lw	$3,0($16)
	div	$0,$3,$2
	teq	$2,$0,7
	mflo	$3
	sw	$3,0($16)
	lw	$4,0($17)
	div	$0,$4,$2
	teq	$2,$0,7
	mflo	$4
	sw	$4,0($17)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,32

$L6:
	lw	$2,272($4)
	beq	$2,$0,$L10
	li	$3,8			# 0x8

	sll	$3,$2,3
$L10:
	sw	$3,0($16)
	lw	$2,4($4)
	move	$3,$2
	j	$L5
	sw	$2,0($17)

$L13:
	sw	$3,0($7)
	lw	$2,64($4)
	move	$3,$2
	j	$L5
	sw	$2,0($5)

	.set	macro
	.set	reorder
	.end	ff_parse_specific_params
	.section	.text.wav_codec_get_id,"ax",@progbits
	.align	2
	.align	5
	.globl	wav_codec_get_id
	.ent	wav_codec_get_id
	.type	wav_codec_get_id, @function
wav_codec_get_id:
	.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
	.mask	0x80010000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-24
	move	$2,$4
	lui	$4,%hi(codec_wav_tags)
	sw	$16,16($sp)
	addiu	$4,$4,%lo(codec_wav_tags)
	move	$16,$5
	sw	$31,20($sp)
	jal	codec_get_id
	move	$5,$2

	blez	$2,$L15
	move	$3,$2

	li	$4,65536			# 0x10000
	beq	$2,$4,$L29
	ori	$2,$4,0x1001

	bne	$3,$2,$L15
	li	$2,8			# 0x8

	bne	$16,$2,$L32
	lw	$31,20($sp)

	ori	$3,$4,0x11
$L15:
	lw	$31,20($sp)
$L32:
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

$L29:
	li	$2,8			# 0x8
	beq	$16,$2,$L30
	li	$2,24			# 0x18

	beq	$16,$2,$L31
	li	$2,32			# 0x20

	bne	$16,$2,$L32
	lw	$31,20($sp)

	j	$L32
	ori	$3,$3,0x8

$L30:
	j	$L15
	ori	$3,$3,0x5

$L31:
	j	$L15
	ori	$3,$3,0xc

	.set	macro
	.set	reorder
	.end	wav_codec_get_id
	.section	.text.put_bmp_header,"ax",@progbits
	.align	2
	.align	5
	.globl	put_bmp_header
	.ent	put_bmp_header
	.type	put_bmp_header, @function
put_bmp_header:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$31,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$17,$5
	lw	$5,28($5)
	move	$16,$4
	jal	put_le32
	addiu	$5,$5,40

	lw	$5,40($17)
	jal	put_le32
	move	$4,$16

	lw	$5,44($17)
	jal	put_le32
	move	$4,$16

	move	$4,$16
	jal	put_le16
	li	$5,1			# 0x1

	lw	$2,392($17)
	li	$5,24			# 0x18
	movn	$5,$2,$2
	jal	put_le16
	move	$4,$16

	lw	$5,232($17)
	jal	put_le32
	move	$4,$16

	lw	$2,40($17)
	lw	$3,44($17)
	sll	$5,$2,1
	addu	$5,$5,$2
	mul	$5,$5,$3
	jal	put_le32
	move	$4,$16

	move	$4,$16
	jal	put_le32
	move	$5,$0

	move	$4,$16
	jal	put_le32
	move	$5,$0

	move	$4,$16
	jal	put_le32
	move	$5,$0

	move	$4,$16
	jal	put_le32
	move	$5,$0

	lw	$5,24($17)
	lw	$6,28($17)
	jal	put_buffer
	move	$4,$16

	lw	$2,28($17)
	move	$4,$16
	andi	$2,$2,0x1
	bne	$2,$0,$L40
	move	$5,$0

	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	$31
	addiu	$sp,$sp,32

$L40:
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	j	put_byte
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	put_bmp_header
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"requested bits_per_sample (%d) and actually stored (%d) "
	.ascii	"differ\012\000"
	.section	.text.put_wav_header,"ax",@progbits
	.align	2
	.align	5
	.globl	put_wav_header
	.ent	put_wav_header
	.type	put_wav_header, @function
put_wav_header:
	.frame	$sp,48,$31		# vars= 0, regs= 5/0, args= 24, gp= 0
	.mask	0x800f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-48
	sw	$18,32($sp)
	sw	$17,28($sp)
	sw	$31,40($sp)
	sw	$19,36($sp)
	sw	$16,24($sp)
	move	$17,$5
	lw	$5,232($5)
	li	$3,65535			# 0xffff
	addiu	$2,$5,-1
	sltu	$2,$2,$3
	bne	$2,$0,$L42
	move	$18,$4

	li	$16,-1			# 0xffffffffffffffff
$L44:
	move	$2,$16
$L99:
	lw	$31,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	j	$31
	addiu	$sp,$sp,48

$L42:
	jal	put_le16
	nop

	lw	$5,68($17)
	jal	put_le16
	move	$4,$18

	lw	$5,64($17)
	jal	put_le32
	move	$4,$18

	li	$4,65536			# 0x10000
	lw	$3,228($17)
	ori	$2,$4,0x5
	beq	$3,$2,$L45
	ori	$2,$4,0x7

	beq	$3,$2,$L45
	ori	$2,$4,0x6

	beq	$3,$2,$L45
	li	$2,-131072			# 0xfffffffffffe0000

	ori	$2,$2,0xb000
	addu	$2,$3,$2
	sltu	$2,$2,2
	bne	$2,$0,$L49
	ori	$2,$4,0x5021

	beq	$3,$2,$L49
	ori	$2,$4,0x1001

	beq	$3,$2,$L52
	ori	$2,$4,0x1006

	beq	$3,$2,$L52
	ori	$2,$4,0x100b

	beq	$3,$2,$L52
	ori	$2,$4,0x100e

	beq	$3,$2,$L52
	ori	$2,$4,0xc

	beq	$3,$2,$L95
	ori	$2,$4,0x8

	beq	$3,$2,$L96
	nop

	li	$16,16			# 0x10
	j	$L59
	li	$19,16			# 0x10

$L45:
	li	$16,8			# 0x8
	li	$19,8			# 0x8
$L59:
	lw	$7,392($17)
	beq	$16,$7,$L100
	li	$2,-131072			# 0xfffffffffffe0000

	bne	$7,$0,$L97
	lui	$6,%hi($LC0)

$L62:
	li	$2,-131072			# 0xfffffffffffe0000
$L100:
	ori	$2,$2,0xb000
	addu	$2,$3,$2
	sltu	$2,$2,2
	bne	$2,$0,$L65
	li	$4,65536			# 0x10000

	ori	$2,$4,0x5021
	beq	$3,$2,$L65
	ori	$2,$4,0x100b

	beq	$3,$2,$L69
	li	$5,1			# 0x1

	lw	$5,272($17)
	bne	$5,$0,$L101
	ori	$2,$4,0x5

	lw	$2,68($17)
	mul	$2,$16,$2
	j	$L102
	sra	$5,$2,3

$L65:
	lw	$5,76($17)
	li	$4,65536			# 0x10000
$L102:
	ori	$2,$4,0x5
$L101:
	beq	$3,$2,$L72
	ori	$2,$4,0xc

	beq	$3,$2,$L72
	ori	$2,$4,0x8

	beq	$3,$2,$L72
	move	$16,$5

$L75:
	li	$2,65536			# 0x10000
	beq	$3,$2,$L72
	nop

	lw	$2,4($17)
	addiu	$4,$2,7
	slt	$3,$2,0
	movn	$2,$4,$3
	j	$L77
	sra	$5,$2,3

$L72:
	lw	$2,64($17)
	move	$16,$5
	mul	$5,$5,$2
$L77:
	jal	put_le32
	move	$4,$18

	move	$4,$18
	jal	put_le16
	move	$5,$16

	move	$4,$18
	jal	put_le16
	move	$5,$19

	li	$4,65536			# 0x10000
	lw	$3,228($17)
	ori	$2,$4,0x5001
	bne	$3,$2,$L79
	ori	$2,$4,0x5000

	move	$4,$18
	jal	put_le16
	li	$5,12			# 0xc

	move	$4,$18
	jal	put_le16
	li	$5,1			# 0x1

	move	$4,$18
	jal	put_le32
	li	$5,2			# 0x2

	move	$4,$18
	jal	put_le16
	li	$5,1152			# 0x480

	move	$4,$18
	jal	put_le16
	li	$5,1			# 0x1

	li	$16,30			# 0x1e
	move	$4,$18
	jal	put_le16
	li	$5,1393			# 0x571

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

$L69:
	j	$L75
	li	$16,1			# 0x1

$L52:
	li	$16,4			# 0x4
	j	$L59
	li	$19,4			# 0x4

$L97:
	addiu	$6,$6,%lo($LC0)
	move	$4,$17
	li	$5,1			# 0x1
	jal	av_log
	sw	$16,16($sp)

	j	$L62
	lw	$3,228($17)

$L79:
	bne	$3,$2,$L81
	nop

	move	$4,$18
	jal	put_le16
	li	$5,22			# 0x16

	move	$4,$18
	jal	put_le16
	li	$5,2			# 0x2

	lw	$5,4($17)
	jal	put_le32
	move	$4,$18

	lw	$2,68($17)
	li	$3,8			# 0x8
	xori	$2,$2,0x2
	li	$5,1			# 0x1
	movn	$5,$3,$2
	jal	put_le16
	move	$4,$18

	move	$4,$18
	jal	put_le16
	move	$5,$0

	move	$4,$18
	jal	put_le16
	li	$5,1			# 0x1

	move	$4,$18
	jal	put_le16
	li	$5,16			# 0x10

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

	move	$4,$18
	move	$5,$0
	jal	put_le32
	li	$16,40			# 0x28

	j	$L99
	move	$2,$16

$L49:
	move	$16,$0
	j	$L59
	move	$19,$0

$L81:
	ori	$2,$4,0x5021
	bne	$3,$2,$L98
	nop

$L94:
	move	$4,$18
	jal	put_le16
	li	$5,2			# 0x2

	lw	$5,76($17)
	move	$4,$18
	jal	put_le16
	li	$16,20			# 0x14

	j	$L99
	move	$2,$16

$L95:
	li	$16,24			# 0x18
	j	$L59
	li	$19,24			# 0x18

$L96:
	li	$16,32			# 0x20
	j	$L59
	li	$19,32			# 0x20

$L98:
	ori	$2,$4,0x1001
	beq	$3,$2,$L94
	nop

	lw	$5,28($17)
	beq	$5,$0,$L44
	li	$16,16			# 0x10

	jal	put_le16
	move	$4,$18

	lw	$5,24($17)
	lw	$6,28($17)
	jal	put_buffer
	move	$4,$18

	lw	$3,28($17)
	addiu	$16,$3,18
	andi	$2,$16,0x1
	beq	$2,$0,$L44
	nop

	move	$4,$18
	move	$5,$0
	jal	put_byte
	addiu	$16,$3,19

	j	$L99
	move	$2,$16

	.set	macro
	.set	reorder
	.end	put_wav_header
	.section	.text.end_tag,"ax",@progbits
	.align	2
	.align	5
	.globl	end_tag
	.ent	end_tag
	.type	end_tag, @function
end_tag:
	.frame	$sp,48,$31		# vars= 0, regs= 6/0, args= 24, gp= 0
	.mask	0x80370000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro