riff.s

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」· S 代码 · 共 1,236 行

.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

addiu	$sp,$sp,-48
sw	$16,24($sp)
move	$16,$6
sw	$31,44($sp)
sw	$21,40($sp)
sw	$20,36($sp)
sw	$18,32($sp)
sw	$17,28($sp)
move	$18,$4
jal	url_ftell
move	$17,$7

addiu	$6,$16,-4
move	$20,$2
addiu	$7,$17,-1
sltu	$2,$6,$16
addu	$7,$2,$7
move	$4,$18
move	$21,$3
jal	url_fseek
sw	$0,16($sp)

subu	$5,$20,$16
jal	put_le32
move	$4,$18

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

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

.set	macro
.set	reorder
.end	end_tag
.section	.text.start_tag,"ax",@progbits
.align	2
.align	5
.globl	start_tag
.ent	start_tag
.type	start_tag, @function
start_tag:
.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
sw	$16,16($sp)
sw	$31,20($sp)
jal	put_tag
move	$16,$4

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

move	$4,$16
lw	$31,20($sp)
lw	$16,16($sp)
j	url_ftell
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	start_tag
.section	.text.get_wav_header,"ax",@progbits
.align	2
.align	5
.globl	get_wav_header
.ent	get_wav_header
.type	get_wav_header, @function
get_wav_header:
.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$31,40($sp)
sw	$21,36($sp)
sw	$19,28($sp)
move	$21,$6
sw	$17,20($sp)
sw	$16,16($sp)
move	$17,$5
move	$16,$4
sw	$20,32($sp)
jal	get_le16
sw	$18,24($sp)

move	$19,$2
li	$2,1			# 0x1
move	$4,$16
sw	$2,224($17)
jal	get_le16
sw	$19,232($17)

sw	$2,68($17)
jal	get_le32
move	$4,$16

sw	$2,64($17)
jal	get_le32
move	$4,$16

sll	$2,$2,3
sw	$2,4($17)
jal	get_le16
move	$4,$16

sw	$2,272($17)
li	$2,14			# 0xe
beq	$21,$2,$L138
li	$2,8			# 0x8

jal	get_le16
move	$4,$16

slt	$3,$21,18
beq	$3,$0,$L139
sw	$2,392($17)

$L110:
lui	$4,%hi(codec_wav_tags)
$L146:
addiu	$4,$4,%lo(codec_wav_tags)
move	$5,$19
jal	codec_get_id
lw	$16,392($17)

blez	$2,$L131
move	$3,$2

li	$4,65536			# 0x10000
beq	$2,$4,$L140
ori	$2,$4,0x1001

bne	$3,$2,$L131
li	$2,8			# 0x8

beq	$16,$2,$L141
ori	$2,$4,0x11

$L131:
move	$2,$3
$L122:
sw	$2,228($17)
lw	$31,40($sp)
lw	$21,36($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,48

$L138:
j	$L110
sw	$2,392($17)

$L140:
li	$2,8			# 0x8
beq	$16,$2,$L142
li	$2,24			# 0x18

beq	$16,$2,$L122
ori	$2,$3,0xc

li	$2,32			# 0x20
beq	$16,$2,$L144
nop

j	$L122
li	$2,65536			# 0x10000

$L141:
sw	$2,228($17)
lw	$31,40($sp)
lw	$21,36($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,48

$L139:
jal	get_le16
move	$4,$16

addiu	$18,$21,-18
slt	$3,$18,$2
move	$20,$18
movz	$20,$2,$3
slt	$2,$20,22
bne	$2,$0,$L112
li	$2,65534			# 0xfffe

beq	$19,$2,$L145
nop

sw	$20,28($17)
$L117:
jal	av_mallocz
addiu	$4,$20,8

lw	$6,28($17)
sw	$2,24($17)
move	$5,$2
jal	get_buffer
move	$4,$16

subu	$18,$18,$20
$L116:
blez	$18,$L110
move	$6,$18

sra	$7,$18,31
jal	url_fskip
move	$4,$16

j	$L146
lui	$4,%hi(codec_wav_tags)

$L142:
j	$L131
ori	$3,$3,0x5

$L145:
jal	get_le16
move	$4,$16

sw	$2,392($17)
jal	get_le32
move	$4,$16

jal	get_le32
move	$4,$16

move	$4,$16
li	$6,12			# 0xc
move	$7,$0
move	$19,$2
jal	url_fskip
addiu	$20,$20,-22

addiu	$18,$21,-40
$L112:
bgtz	$20,$L117
sw	$20,28($17)

j	$L116
nop

$L144:
j	$L122
ori	$2,$3,0x8

.set	macro
.set	reorder
.end	get_wav_header
.globl	codec_bmp_tags
.rdata
.align	2
.type	codec_bmp_tags, @object
.size	codec_bmp_tags, 1040
codec_bmp_tags:
.word	28
.word	875967048
.word	28
.word	875967080
.word	28
.word	875967064
.word	28
.word	875967096
.word	28
.word	828601953
.word	28
.word	1213420374
.word	5
.word	859189832
.word	20
.word	859189832
.word	21
.word	859189833
.word	4
.word	825635400
.word	20
.word	859189845
.word	20
.word	829843830
.word	13
.word	877677894
.word	13
.word	1482049860
.word	13
.word	808802372
.word	13
.word	1145656920
.word	13
.word	1395937357
.word	13
.word	844313677
.word	13
.word	4
.word	13
.word	827738436
.word	13
.word	811224130
.word	13
.word	1983148141
.word	13
.word	877677909
.word	13
.word	1177638487
.word	13
.word	1195656531
.word	13
.word	877677906
.word	17
.word	861292868
.word	17
.word	859066445
.word	17
.word	860311629
.word	17
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