ad_libvorbis.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 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"