ad_libvorbis.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 853 行

.file	1 "ad_libvorbis.c"
.section .mdebug.abi32
.previous
.section	.text.preinit,"ax",@progbits
.align	2
.align	5
.ent	preinit
.type	preinit, @function
preinit:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

li	$2,4096			# 0x1000
sw	$2,64($4)
j	$31
li	$2,1			# 0x1

.set	macro
.set	reorder
.end	preinit
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

li	$2,-1			# 0xffffffffffffffff
j	$31
sw	$7,12($sp)

.set	macro
.set	reorder
.end	control
.section	.text.install_mpcodecs_vorbis,"ax",@progbits
.align	2
.align	5
.globl	install_mpcodecs_vorbis
.ent	install_mpcodecs_vorbis
.type	install_mpcodecs_vorbis, @function
install_mpcodecs_vorbis:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$3,%hi(mpcodecs_ad_drivers)
lw	$4,%lo(mpcodecs_ad_drivers)($3)
beq	$4,$0,$L20
li	$2,1			# 0x1

beq	$4,$2,$L18
lui	$2,%hi(mpcodecs_ad_drivers+4)

addiu	$6,$2,%lo(mpcodecs_ad_drivers+4)
j	$L12
li	$4,1			# 0x1

$L11:
li	$2,1			# 0x1
beq	$5,$2,$L19
nop

$L12:
lw	$5,0($6)
addiu	$4,$4,1
bne	$5,$0,$L11
addiu	$6,$6,4

$L20:
j	$31
nop

$L19:
addiu	$4,$4,-1
$L10:
sll	$4,$4,2
addiu	$3,$3,%lo(mpcodecs_ad_drivers)
lui	$2,%hi(mpcodecs_ad_libvorbis)
addu	$4,$4,$3
addiu	$2,$2,%lo(mpcodecs_ad_libvorbis)
j	$31
sw	$2,0($4)

$L18:
j	$L10
move	$4,$0

.set	macro
.set	reorder
.end	install_mpcodecs_vorbis
.globl	__nedf2
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC1:
.ascii	"Clipping in frame %ld\012\000"
.align	2
$LC2:
.ascii	"\012[decoded: %d / %d ]\012\000"
.section	.rodata.cst8,"aM",@progbits,8
.align	3
$LC0:
.word	0
.word	-1008730112
.section	.text.decode_audio,"ax",@progbits
.align	2
.align	5
.ent	decode_audio
.type	decode_audio, @function
decode_audio:
.frame	$sp,112,$31		# vars= 48, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-112
sw	$21,92($sp)
sw	$31,108($sp)
sw	$fp,104($sp)
sw	$23,100($sp)
sw	$22,96($sp)
sw	$20,88($sp)
sw	$19,84($sp)
sw	$18,80($sp)
sw	$17,76($sp)
sw	$16,72($sp)
move	$21,$4
sw	$6,120($sp)
sw	$5,116($sp)
sw	$7,124($sp)
blez	$6,$L22
lw	$23,160($4)

move	$22,$0
addiu	$19,$23,48
addiu	$20,$sp,40
addiu	$fp,$23,128
$L67:
move	$4,$19
$L69:
jal	vorbis_synthesis_pcmout
addiu	$5,$sp,24

bgtz	$2,$L58
move	$17,$2

$L25:
move	$4,$20
move	$5,$0
jal	memset
li	$6,32			# 0x20

lw	$4,4($21)
move	$5,$20
jal	ds_get_packet_pts
addiu	$6,$sp,32

blez	$2,$L26
move	$18,$2

lui	$2,%hi($LC0)
lw	$16,32($sp)
lw	$17,36($sp)
lw	$6,%lo($LC0)($2)
lw	$7,%lo($LC0+4)($2)
move	$4,$16
jal	__nedf2
move	$5,$17

beq	$2,$0,$L68
move	$4,$fp

sw	$16,176($21)
sw	$17,180($21)
sw	$0,184($21)
$L68:
move	$5,$20
jal	vorbis_synthesis
sw	$18,44($sp)

bne	$2,$0,$L69
move	$4,$19

jal	vorbis_synthesis_blockin
move	$5,$fp

move	$4,$19
jal	vorbis_synthesis_pcmout
addiu	$5,$sp,24

blez	$2,$L25
move	$17,$2

$L58:
lw	$3,124($sp)
$L70:
lw	$11,4($23)
subu	$2,$3,$22
sll	$8,$11,1
div	$0,$2,$8
teq	$8,$0,7
move	$16,$17
mflo	$2
slt	$3,$17,$2
movz	$16,$2,$3
blez	$16,$L33
li	$2,64			# 0x40

lw	$6,220($23)
beq	$6,$2,$L35
nop

blez	$11,$L38
lw	$3,116($sp)

lw	$9,24($sp)
addu	$7,$3,$22
move	$10,$0
$L50:
lw	$4,0($9)
move	$3,$7
move	$5,$0
$L51:
lw	$2,0($4)
addiu	$5,$5,1
mul	$2,$6,$2
addiu	$4,$4,4
sra	$2,$2,15
sh	$2,0($3)
bne	$16,$5,$L51
addu	$3,$3,$8

addiu	$10,$10,1
addiu	$9,$9,4
bne	$11,$10,$L50
addiu	$7,$7,2

$L38:
sll	$2,$11,1
$L71:
mul	$2,$16,$2
lw	$3,184($21)
lui	$6,%hi($LC2)
addu	$3,$3,$2
sw	$3,184($21)
li	$4,12			# 0xc
li	$5,7			# 0x7
addiu	$6,$6,%lo($LC2)
move	$7,$16
sw	$17,16($sp)
addu	$22,$22,$2
jal	mp_msg
subu	$17,$17,$16

move	$5,$16
jal	vorbis_synthesis_read
move	$4,$19

bgtz	$17,$L70
lw	$3,124($sp)

$L33:
lw	$3,120($sp)
slt	$2,$22,$3
bne	$2,$0,$L67
nop

$L26:
move	$2,$22
lw	$31,108($sp)
lw	$fp,104($sp)
lw	$23,100($sp)
lw	$22,96($sp)
lw	$21,92($sp)
lw	$20,88($sp)
lw	$19,84($sp)
lw	$18,80($sp)
lw	$17,76($sp)
lw	$16,72($sp)
j	$31
addiu	$sp,$sp,112

$L35:
blez	$11,$L38
lw	$2,116($sp)

lw	$12,24($sp)
addu	$10,$22,$2
move	$14,$0
move	$9,$0
li	$13,32768			# 0x8000
$L40:
lw	$6,0($12)
move	$5,$10
move	$7,$0
$L41:
lw	$2,0($6)
sra	$2,$2,9
slt	$3,$2,$13
bne	$3,$0,$L42
slt	$4,$2,-32768

li	$9,1			# 0x1
li	$2,32767			# 0x7fff
$L44:
sll	$3,$2,16
sra	$3,$3,16
$L46:
addiu	$7,$7,1
sh	$3,0($5)
addiu	$6,$6,4
bne	$16,$7,$L41
addu	$5,$5,$8

addiu	$14,$14,1
addiu	$12,$12,4
bne	$11,$14,$L40
addiu	$10,$10,2

beq	$9,$0,$L71
sll	$2,$11,1

lw	$7,112($23)
lui	$6,%hi($LC1)
addiu	$6,$6,%lo($LC1)
li	$4,12			# 0xc
jal	mp_msg
li	$5,7			# 0x7

j	$L38
lw	$11,4($23)

$L42:
beq	$4,$0,$L44
li	$3,-32768			# 0xffffffffffff8000

j	$L46
li	$9,1			# 0x1

$L22:
j	$L26
move	$22,$0

.set	macro
.set	reorder
.end	decode_audio
.section	.text.uninit,"ax",@progbits
.align	2
.align	5
.ent	uninit
.type	uninit, @function
uninit:
.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	$31,20($sp)
sw	$16,16($sp)
lw	$16,160($4)
jal	vorbis_dsp_clear
addiu	$4,$16,48

jal	vorbis_block_clear
addiu	$4,$16,128

jal	vorbis_info_clear
move	$4,$16

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

.set	macro
.set	reorder
.end	uninit
.section	.rodata.str1.4
.align	2
$LC3:
.ascii	"ad_vorbis, extradata seems to be absent! exit\012\000"
.align	2
$LC4:
.ascii	"ad_vorbis, extradata seems to be absent!, exit\012\000"
.align	2
$LC5:
.ascii	"ad_vorbis, extradata seems is %d bytes long\012\000"
.align	2
$LC6:
.ascii	"ad_vorbis, extradata seems to be NULL!, exit\012\000"
.align	2
$LC7:
.ascii	"ad_vorbis: Vorbis track does not contain valid headers.\012"
.ascii	"\000"
.align	2
$LC8:
.ascii	"ad_vorbis, offset: %u, length: %u\012\000"
.align	2
$LC9:
.ascii	"ad_vorbis, header sizes: %d %d %d\012\000"
.align	2
$LC10:
.ascii	"OggVorbis: header n. %d broken! len=%ld\012\000"
.align	2
$LC11:
.ascii	"OggVorbisComment: %s\012\000"
.subsection	-1
.align	2
$LC13:
.ascii	"\000"
.align	2
$LC14:
.ascii	"s\000"
.align	2
$LC15:
.ascii	"OggVorbis: Bitstream is %d channel%s, %dHz, %dbit/s %cBR"
.ascii	"\012\000"
.align	2
$LC16:
.ascii	"OggVorbis: Encoded by: %s\012\000"
.align	2
$LC17:
.ascii	"OggVorbis: Init OK!\012\000"
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC12:
.word	1065353216
.section	.text.init,"ax",@progbits
.align	2
.align	5
.ent	init
.type	init, @function
init:
.frame	$sp,136,$31		# vars= 72, regs= 8/0, args= 32, gp= 0
.mask	0x807f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-136
sw	$21,124($sp)
move	$21,$4
li	$4,224			# 0xe0
sw	$31,132($sp)
sw	$22,128($sp)
sw	$20,120($sp)
sw	$19,116($sp)
sw	$18,112($sp)
sw	$17,108($sp)
jal	uc_malloc
sw	$16,104($sp)

move	$4,$2
addiu	$22,$sp,56
jal	vorbis_info_init
move	$20,$2

jal	vorbis_comment_init
move	$4,$22

lw	$3,156($21)
beq	$3,$0,$L123
lui	$6,%hi($LC3)

lbu	$2,17($3)
lbu	$3,16($3)
sll	$2,$2,8
or	$7,$2,$3
beq	$7,$0,$L124
lui	$6,%hi($LC4)

lui	$6,%hi($LC5)
addiu	$6,$6,%lo($LC5)
li	$4,12			# 0xc
jal	mp_msg
li	$5,6			# 0x6

lw	$7,156($21)
addiu	$19,$7,18
beq	$19,$0,$L125
li	$2,2			# 0x2

lbu	$3,18($7)
bne	$3,$2,$L82
lui	$6,%hi($LC7)

li	$16,1			# 0x1
move	$8,$0
move	$18,$0
$L122:
addu	$2,$19,$16
lbu	$3,0($2)
lui	$6,%hi($LC8)
li	$2,255			# 0xff
addiu	$6,$6,%lo($LC8)
li	$4,7			# 0x7
li	$5,6			# 0x6
beq	$3,$2,$L126
addu	$17,$8,$3

$L86:
lbu	$2,17($7)
lbu	$3,16($7)
sll	$2,$2,8
or	$2,$2,$3
addiu	$2,$2,-1
sltu	$2,$16,$2
addiu	$16,$16,1
beq	$2,$0,$L113
move	$7,$16

jal	mp_msg
sw	$17,16($sp)

sll	$2,$18,2
addiu	$18,$18,1
addu	$3,$sp,$2
sltu	$4,$18,2
move	$8,$0
beq	$4,$0,$L90
sw	$17,32($3)

addu	$2,$19,$16
lbu	$3,0($2)
lui	$6,%hi($LC8)
li	$2,255			# 0xff
lw	$7,156($21)
addiu	$6,$6,%lo($LC8)
li	$4,7			# 0x7
li	$5,6			# 0x6
bne	$3,$2,$L86
addu	$17,$8,$3

$L126:
lbu	$2,17($7)
lbu	$3,16($7)
sll	$2,$2,8
or	$2,$2,$3
sltu	$2,$8,$2
beq	$2,$0,$L86
addiu	$8,$8,255

j	$L122
addiu	$16,$16,1

$L124:
addiu	$6,$6,%lo($LC4)
li	$5,1			# 0x1
li	$4,12			# 0xc
$L120:
jal	mp_msg
nop

$L121:
jal	vorbis_comment_clear
move	$4,$22

jal	vorbis_info_clear
move	$4,$20

jal	uc_free
move	$4,$20

move	$2,$0
$L77:
lw	$31,132($sp)
lw	$22,128($sp)
lw	$21,124($sp)
lw	$20,120($sp)
lw	$19,116($sp)
lw	$18,112($sp)
lw	$17,108($sp)
lw	$16,104($sp)
j	$31
addiu	$sp,$sp,136

$L82:
addiu	$6,$6,%lo($LC7)
li	$5,2			# 0x2
jal	mp_msg
li	$4,7			# 0x7

j	$L121
nop

$L113:
lui	$6,%hi($LC7)
addiu	$6,$6,%lo($LC7)
li	$5,2			# 0x2
j	$L120
li	$4,7			# 0x7

$L90:
lw	$7,32($sp)
lw	$8,36($sp)
addu	$3,$7,$16
addu	$4,$3,$8
lw	$5,156($21)
addu	$2,$19,$16
addu	$4,$19,$4
addu	$3,$19,$3
sw	$4,52($sp)
sw	$2,44($sp)
sw	$3,48($sp)
lbu	$2,17($5)
lbu	$3,16($5)
sll	$2,$2,8
or	$2,$2,$3
subu	$2,$2,$16
subu	$2,$2,$7
lui	$6,%hi($LC9)
subu	$2,$2,$8
addiu	$6,$6,%lo($LC9)
li	$4,7			# 0x7
li	$5,6			# 0x6
sw	$2,20($sp)
sw	$2,40($sp)
jal	mp_msg
sw	$8,16($sp)

lw	$2,32($sp)
addiu	$16,$sp,72
lw	$3,44($sp)
sw	$2,76($sp)
move	$4,$20
li	$2,1			# 0x1
move	$5,$22
move	$6,$16
sw	$3,72($sp)
jal	vorbis_synthesis_headerin
sw	$2,80($sp)

bltz	$2,$L127
lw	$2,36($sp)

lw	$3,48($sp)
move	$4,$20
move	$5,$22
move	$6,$16
sw	$2,76($sp)
sw	$3,72($sp)
jal	vorbis_synthesis_headerin
sw	$0,80($sp)

bltz	$2,$L128
lw	$2,40($sp)

lw	$3,52($sp)
move	$6,$16
move	$4,$20
move	$5,$22
sw	$2,76($sp)
sw	$3,72($sp)
jal	vorbis_synthesis_headerin
sw	$0,80($sp)

bltz	$2,$L129
lw	$16,56($sp)

lw	$7,0($16)
beq	$7,$0,$L133
lui	$2,%hi($LC12)

lui	$17,%hi($LC11)
addiu	$16,$16,4
$L134:
li	$4,12			# 0xc
li	$5,6			# 0x6
jal	mp_msg
addiu	$6,$17,%lo($LC11)

lw	$7,0($16)
bne	$7,$0,$L134
addiu	$16,$16,4

addiu	$16,$16,-4
lui	$2,%hi($LC12)
$L133:
lw	$7,4($20)
lw	$3,%lo($LC12)($2)
slt	$4,$7,2
li	$2,64			# 0x40
sw	$3,216($20)
bne	$4,$0,$L130
sw	$2,220($20)

lui	$2,%hi($LC14)
addiu	$9,$2,%lo($LC14)
$L103:
lw	$3,16($20)
lw	$2,20($20)
beq	$3,$2,$L131
lw	$8,8($20)

$L104:
li	$2,86			# 0x56
lui	$6,%hi($LC15)
$L135:
addiu	$6,$6,%lo($LC15)
li	$4,12			# 0xc
li	$5,6			# 0x6
sw	$3,24($sp)
sw	$2,28($sp)
sw	$9,16($sp)
jal	mp_msg
sw	$8,20($sp)

lw	$7,68($sp)
lui	$6,%hi($LC16)
addiu	$6,$6,%lo($LC16)
li	$5,6			# 0x6
jal	mp_msg
li	$4,12			# 0xc

jal	vorbis_comment_clear
move	$4,$22

lw	$2,4($20)
lw	$3,8($20)
lw	$4,16($20)
sw	$2,36($21)
li	$2,2			# 0x2
sw	$3,28($21)
blez	$4,$L132
sw	$2,32($21)

sra	$2,$4,3
$L110:
addiu	$16,$20,48
move	$5,$20
move	$4,$16
sw	$2,44($21)
jal	vorbis_synthesis_init
sw	$20,160($21)

move	$4,$16
jal	vorbis_block_init
addiu	$5,$20,128

lui	$6,%hi($LC17)
addiu	$6,$6,%lo($LC17)
li	$4,12			# 0xc
jal	mp_msg
li	$5,6			# 0x6

j	$L77
li	$2,1			# 0x1

$L123:
addiu	$6,$6,%lo($LC3)
li	$5,1			# 0x1
j	$L120
li	$4,12			# 0xc

$L131:
lw	$2,12($20)
bne	$3,$2,$L104
li	$2,67			# 0x43

j	$L135
lui	$6,%hi($LC15)

$L125:
lui	$6,%hi($LC6)
addiu	$6,$6,%lo($LC6)
li	$5,1			# 0x1
jal	mp_msg
li	$4,12			# 0xc

j	$L121
nop

$L132:
j	$L110
li	$2,16000			# 0x3e80

$L130:
lui	$2,%hi($LC13)
j	$L103
addiu	$9,$2,%lo($LC13)

$L127:
move	$7,$0
$L94:
lw	$2,76($sp)
lui	$6,%hi($LC10)
addiu	$6,$6,%lo($LC10)
li	$5,1			# 0x1
li	$4,12			# 0xc
jal	mp_msg
sw	$2,16($sp)

j	$L121
nop

$L129:
j	$L94
li	$7,2			# 0x2

$L128:
j	$L94
li	$7,1			# 0x1

.set	macro
.set	reorder
.end	init
.globl	mpcodecs_ad_libvorbis
.data
.align	2
.type	mpcodecs_ad_libvorbis, @object
.size	mpcodecs_ad_libvorbis, 24
mpcodecs_ad_libvorbis:
.word	info
.word	preinit
.word	init
.word	uninit
.word	control
.word	decode_audio
.section	.rodata.str1.4
.align	2
$LC18:
.ascii	"Ogg/Vorbis audio decoder\000"
.align	2
$LC19:
.ascii	"libvorbis\000"
.align	2
$LC20:
.ascii	"Felix Buenemann, A'rpi\000"
.data
.align	2
.type	info, @object
.size	info, 20
info:
.word	$LC18
.word	$LC19
.word	$LC20
.word	$LC19
.word	$LC13
.ident	"GCC: (GNU) 4.1.2"