demux_ogg.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 4,671 行 · 第 1/5 页

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

bgez	$5,$L8
lw	$3,2248($4)

$L2:
j	$31
move	$2,$5

$L8:
lw	$2,80($3)
slt	$2,$5,$2
beq	$2,$0,$L9
sll	$4,$5,2

lw	$2,84($3)
addu	$2,$4,$2
j	$L2
lw	$5,0($2)

$L9:
j	$L2
li	$5,-1			# 0xffffffffffffffff

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

bgez	$5,$L16
lw	$3,2248($4)

$L11:
j	$31
move	$2,$0

$L16:
lw	$2,80($3)
slt	$2,$5,$2
beq	$2,$0,$L11
sll	$4,$5,2

lw	$2,88($3)
addu	$2,$4,$2
j	$31
lw	$2,0($2)

.set	macro
.set	reorder
.end	demux_ogg_sub_lang
.globl	__floatsisf
.globl	__floatdidf
.globl	__extendsfdf2
.globl	__divdf3
.globl	__divdi3
.section	.text.demux_ogg_control,"ax",@progbits
.align	2
.align	5
.ent	demux_ogg_control
.type	demux_ogg_control, @function
demux_ogg_control:
.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	$20,32($sp)
sw	$19,28($sp)
sw	$31,36($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$2,56($4)
move	$19,$5
lw	$5,68($2)
move	$20,$6
bltz	$5,$L18
lw	$17,2248($4)

sll	$2,$5,3
sll	$3,$5,6
subu	$3,$3,$2
addu	$3,$3,$5
lw	$2,44($17)
sll	$3,$3,3
addu	$16,$3,$2
lw	$18,0($16)
$L20:
li	$2,10			# 0xa
beq	$19,$2,$L22
li	$2,11			# 0xb

beq	$19,$2,$L23
li	$4,-1			# 0xffffffffffffffff

$L24:
lw	$31,36($sp)
$L36:
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,40

$L22:
lw	$5,76($17)
blez	$5,$L33
lw	$4,72($17)

$L27:
jal	__floatdidf
nop

move	$4,$18
move	$16,$2
jal	__extendsfdf2
move	$17,$3

move	$6,$2
move	$4,$16
move	$5,$17
jal	__divdf3
move	$7,$3

sw	$2,0($20)
sw	$3,4($20)
li	$4,2			# 0x2
lw	$31,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,40

$L18:
lw	$2,52($4)
lw	$5,44($17)
lw	$3,68($2)
sll	$4,$3,3
sll	$2,$3,6
subu	$2,$2,$4
addu	$2,$2,$3
sll	$2,$2,3
addu	$16,$2,$5
jal	__floatsisf
lw	$4,420($16)

j	$L20
move	$18,$2

$L23:
lw	$7,76($17)
blez	$7,$L34
lw	$6,72($17)

$L29:
lw	$4,8($16)
li	$3,100			# 0x64
multu	$4,$3
lw	$2,12($16)
mflo	$4
mfhi	$5
mul	$8,$2,$3
jal	__divdi3
addu	$5,$8,$5

sw	$2,0($20)
li	$4,1			# 0x1
lw	$31,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,40

$L33:
beq	$5,$0,$L35
nop

j	$L24
move	$4,$0

$L34:
bne	$7,$0,$L24
move	$4,$0

bgtu	$6,$0,$L29
lw	$31,36($sp)

j	$L36
nop

$L35:
bgtu	$4,$0,$L27
nop

j	$L24
move	$4,$0

.set	macro
.set	reorder
.end	demux_ogg_control
.section	.text.install_demuxer_ogg,"ax",@progbits
.align	2
.align	5
.globl	install_demuxer_ogg
.ent	install_demuxer_ogg
.type	install_demuxer_ogg, @function
install_demuxer_ogg:
.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(demuxer_list)
lw	$4,%lo(demuxer_list)($3)
beq	$4,$0,$L38
li	$2,1			# 0x1

beq	$4,$2,$L49
lui	$2,%hi(demuxer_list+4)

addiu	$6,$2,%lo(demuxer_list+4)
j	$L44
li	$4,1			# 0x1

$L43:
li	$2,1			# 0x1
beq	$5,$2,$L50
nop

$L44:
lw	$5,0($6)
addiu	$4,$4,1
bne	$5,$0,$L43
addiu	$6,$6,4

$L38:
lui	$2,%hi(init_avi_with_ogg)
addiu	$2,$2,%lo(init_avi_with_ogg)
lui	$4,%hi(init_avi_with_ogg_funcp)
lui	$3,%hi(demux_ogg_open)
sw	$2,%lo(init_avi_with_ogg_funcp)($4)
addiu	$3,$3,%lo(demux_ogg_open)
lui	$2,%hi(demux_ogg_open_funcp)
j	$31
sw	$3,%lo(demux_ogg_open_funcp)($2)

$L50:
addiu	$4,$4,-1
$L42:
addiu	$3,$3,%lo(demuxer_list)
sll	$4,$4,2
lui	$2,%hi(demuxer_desc_ogg)
addu	$4,$4,$3
addiu	$2,$2,%lo(demuxer_desc_ogg)
sw	$2,0($4)
lui	$2,%hi(init_avi_with_ogg)
addiu	$2,$2,%lo(init_avi_with_ogg)
lui	$4,%hi(init_avi_with_ogg_funcp)
lui	$3,%hi(demux_ogg_open)
sw	$2,%lo(init_avi_with_ogg_funcp)($4)
addiu	$3,$3,%lo(demux_ogg_open)
lui	$2,%hi(demux_ogg_open_funcp)
j	$31
sw	$3,%lo(demux_ogg_open_funcp)($2)

$L49:
j	$L42
move	$4,$0

.set	macro
.set	reorder
.end	install_demuxer_ogg
.globl	__floatdisf
.globl	__divsf3
.section	.text.demux_ogg_read_packet,"ax",@progbits
.align	2
.align	5
.ent	demux_ogg_read_packet
.type	demux_ogg_read_packet, @function
demux_ogg_read_packet:
.frame	$sp,56,$31		# vars= 0, regs= 9/0, args= 16, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
lw	$6,72($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$19,28($sp)
sw	$17,20($sp)
sw	$31,48($sp)
sw	$23,44($sp)
sw	$22,40($sp)
sw	$18,24($sp)
sw	$16,16($sp)
sw	$0,0($6)
lw	$2,388($4)
move	$3,$0
move	$17,$4
move	$20,$7
move	$19,$5
sw	$3,0($7)
lw	$21,76($sp)
beq	$2,$0,$L52
lw	$18,0($5)

lbu	$2,0($18)
andi	$2,$2,0x1
bne	$2,$0,$L80
nop

lw	$2,444($4)
bne	$2,$0,$L81
addiu	$22,$4,412

$L56:
move	$2,$18
$L86:
lw	$31,48($sp)
lw	$23,44($sp)
lw	$22,40($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,56

$L52:
lw	$2,392($4)
bne	$2,$0,$L86
move	$2,$18

lw	$3,400($4)
bne	$3,$0,$L82
li	$2,2			# 0x2

lbu	$3,0($18)
andi	$2,$3,0x1
bne	$2,$0,$L80
andi	$2,$3,0x2

lw	$5,16($5)
sll	$2,$2,1
srl	$3,$3,6
li	$4,-1			# 0xffffffffffffffff
beq	$5,$4,$L83
or	$16,$3,$2

$L68:
lbu	$2,0($18)
andi	$2,$2,0x8
bne	$2,$0,$L84
li	$2,1			# 0x1

$L73:
lw	$4,16($19)
jal	__floatdisf
lw	$5,20($19)

lw	$5,0($17)
jal	__divsf3
move	$4,$2

sw	$2,0($20)
sw	$0,16($17)
beq	$16,$0,$L75
move	$6,$0

move	$5,$16
move	$4,$16
$L77:
sll	$6,$6,8
sw	$6,16($17)
addu	$2,$5,$18
lbu	$3,0($2)
addiu	$4,$4,-1
sll	$4,$4,16
or	$3,$6,$3
sra	$4,$4,16
move	$6,$3
sw	$3,16($17)
bne	$4,$0,$L77
addiu	$5,$5,-1

$L75:
lw	$2,16($19)
lw	$3,20($19)
addu	$4,$18,$16
addiu	$18,$4,1
sw	$2,8($17)
j	$L56
sw	$3,12($17)

$L80:
lw	$2,384($17)
addiu	$2,$2,1
sw	$2,384($17)
lw	$31,48($sp)
move	$2,$18
lw	$23,44($sp)
lw	$22,40($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,56

$L82:
bne	$3,$2,$L86
move	$2,$18

lbu	$3,0($18)
li	$2,255			# 0xff
beq	$3,$2,$L86
move	$2,$18

j	$L56
move	$18,$0

$L81:
jal	vorbis_packet_blocksize
move	$4,$22

lw	$3,16($19)
move	$23,$2
li	$2,-1			# 0xffffffffffffffff
beq	$3,$2,$L85
nop

$L58:
lw	$5,20($19)
jal	__floatdisf
lw	$4,16($19)

lw	$4,8($22)
jal	__floatsisf
move	$16,$2

move	$5,$2
jal	__divsf3
move	$4,$16

div	$0,$23,$21
teq	$21,$0,7
lw	$4,16($19)
lw	$5,20($19)
sw	$2,0($20)
sw	$4,8($17)
sw	$5,12($17)
move	$2,$18
mflo	$6
sw	$6,16($17)
lw	$31,48($sp)
lw	$23,44($sp)
lw	$22,40($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,56

$L84:
j	$L73
sw	$2,0($6)

$L85:
lw	$2,20($19)
bne	$2,$3,$L58
nop

lw	$8,8($17)
lw	$9,12($17)
lw	$4,16($17)
sw	$8,16($19)
blez	$4,$L58
sw	$9,20($19)

sra	$3,$4,31
addu	$4,$8,$4
sltu	$6,$4,$8
addu	$5,$9,$3
addu	$5,$6,$5
sw	$4,16($19)
j	$L58
sw	$5,20($19)

$L83:
lw	$2,20($19)
bne	$2,$5,$L68
nop

lw	$2,16($17)
lw	$10,8($17)
bne	$2,$0,$L70
lw	$11,12($17)

li	$8,1			# 0x1
move	$9,$0
$L72:
addu	$2,$8,$10
sltu	$4,$2,$8
addu	$3,$9,$11
addu	$3,$4,$3
sw	$2,16($19)
j	$L68
sw	$3,20($19)

$L70:
move	$8,$2
j	$L72
sra	$9,$2,31

.set	macro
.set	reorder
.end	demux_ogg_read_packet
.section	.text.demux_close_ogg,"ax",@progbits
.align	2
.align	5
.ent	demux_close_ogg
.type	demux_close_ogg, @function
demux_close_ogg:
.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$31,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$17,2248($4)
beq	$17,$0,$L108
lw	$31,32($sp)

jal	ogg_sync_clear
move	$4,$17

lw	$4,44($17)
beq	$4,$0,$L90
nop

lw	$2,48($17)
blez	$2,$L92
nop

move	$19,$0
j	$L94
move	$18,$0

$L95:
lw	$2,48($17)
slt	$2,$19,$2
beq	$2,$0,$L111
addiu	$18,$18,456

$L109:
lw	$4,44($17)
$L94:
addu	$16,$18,$4
jal	ogg_stream_clear
addiu	$4,$16,24

lw	$2,444($16)
addiu	$19,$19,1
beq	$2,$0,$L95
addiu	$4,$16,412

jal	vorbis_info_clear
addiu	$18,$18,456

lw	$2,48($17)
slt	$2,$19,$2
bne	$2,$0,$L109
nop

$L111:
lw	$4,44($17)
$L92:
jal	uc_free
nop

$L90:
lw	$4,52($17)
beq	$4,$0,$L97
nop

jal	uc_free
nop

$L97:
lw	$4,84($17)
beq	$4,$0,$L99
nop

jal	uc_free
nop

$L99:
lw	$6,88($17)
beq	$6,$0,$L112
move	$4,$17

lw	$5,80($17)
blez	$5,$L103
move	$16,$0

sll	$2,$16,2
$L113:
addu	$2,$2,$6
lw	$3,0($2)
addiu	$16,$16,1
beq	$3,$0,$L106
move	$4,$3

jal	uc_free
nop

lw	$6,88($17)
lw	$5,80($17)
$L106:
slt	$2,$16,$5
bne	$2,$0,$L113
sll	$2,$16,2

$L103:
jal	uc_free
move	$4,$6

move	$4,$17
$L112:
lw	$31,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	uc_free
addiu	$sp,$sp,40

$L108:
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	demux_close_ogg
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"\012demux_ogg_add_sub %02X %02X %02X '%s'\012\000"
.globl	__muldf3
.globl	__adddf3
.align	2
$LC4:
.ascii	"Ogg sub lines: %d  first: '%s'\012\000"
.section	.rodata.cst8,"aM",@progbits,8
.align	3
$LC1:
.word	0
.word	-1008730112
.align	3
$LC2:
.word	-755914244
.word	1062232653
.align	3
$LC3:
.word	0
.word	1072693248
.section	.text.demux_ogg_add_sub,"ax",@progbits
.align	2
.align	5
.globl	demux_ogg_add_sub
.ent	demux_ogg_add_sub
.type	demux_ogg_add_sub, @function
demux_ogg_add_sub:
.frame	$sp,64,$31		# vars= 0, regs= 8/0, args= 32, gp= 0
.mask	0x807f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-64
sw	$19,44($sp)
sw	$18,40($sp)
sw	$31,60($sp)
sw	$22,56($sp)
sw	$21,52($sp)
sw	$20,48($sp)
sw	$17,36($sp)
sw	$16,32($sp)
lw	$2,4($5)
move	$18,$5
slt	$2,$2,4
move	$19,$4
beq	$2,$0,$L127
lw	$16,0($5)

lw	$31,60($sp)
$L131:
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
j	$31
addiu	$sp,$sp,64

$L127:
lbu	$2,1($16)
lbu	$7,0($16)
sw	$2,16($sp)
lbu	$3,2($16)
lui	$6,%hi($LC0)
addiu	$6,$6,%lo($LC0)
addiu	$22,$16,3
li	$4,7			# 0x7
li	$5,7			# 0x7
sw	$3,20($sp)
jal	mp_msg
sw	$22,24($sp)

lb	$3,0($16)
li	$2,-120			# 0xffffffffffffff88
bne	$3,$2,$L126
lui	$17,%hi(ogg_sub)

lw	$2,4($18)
slt	$2,$2,3
bne	$2,$0,$L131
lw	$31,60($sp)

lbu	$2,2($16)
lbu	$3,1($16)
sll	$2,$2,8
or	$9,$2,$3
blez	$9,$L128
li	$2,-1			# 0xffffffffffffffff

lw	$3,16($18)
beq	$3,$2,$L129
nop

$L123:
jal	__floatsisf
move	$4,$9

jal	__extendsfdf2
move	$4,$2

lui	$4,%hi($LC2)
lw	$6,%lo($LC2)($4)
lw	$7,%lo($LC2+4)($4)
move	$5,$3
jal	__muldf3
move	$4,$2

lw	$4,16($18)
lw	$5,20($18)
move	$17,$3
jal	__floatdisf
move	$16,$2

lw	$5,0($19)
jal	__divsf3
move	$4,$2

jal	__extendsfdf2
move	$4,$2

lui	$4,%hi($LC3)
lw	$6,%lo($LC3)($4)
lw	$7,%lo($LC3+4)($4)
move	$5,$3
jal	__adddf3
move	$4,$2

move	$6,$2
move	$7,$3
move	$4,$16
jal	__adddf3
move	$5,$17

move	$20,$2
lui	$2,%hi($LC1)
lw	$6,%lo($LC1)($2)
lw	$7,%lo($LC1+4)($2)
move	$21,$3
$L122:
lui	$17,%hi(ogg_sub)
jal	sub_clear_text
addiu	$4,$17,%lo(ogg_sub)

lw	$6,4($18)
move	$5,$22
addiu	$6,$6,-3
addiu	$4,$17,%lo(ogg_sub)
sw	$20,16($sp)
jal	sub_add_text
sw	$21,20($sp)

j	$L130
addiu	$16,$17,%lo(ogg_sub)

$L126:
addiu	$16,$17,%lo(ogg_sub)
$L130:
lw	$2,12($16)
lw	$7,%lo(ogg_sub)($17)
lui	$6,%hi($LC4)
li	$4,7			# 0x7
addiu	$6,$6,%lo($LC4)
li	$5,7			# 0x7
jal	mp_msg
sw	$2,16($sp)

lui	$2,%hi(vo_sub)
sw	$16,%lo(vo_sub)($2)
lw	$31,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
li	$4,2			# 0x2
j	vo_osd_changed
addiu	$sp,$sp,64

$L129:
lw	$2,20($18)
bne	$2,$3,$L123
nop

lw	$6,8($19)
lw	$2,16($19)
lw	$7,12($19)
sra	$5,$2,31
addu	$2,$6,$2
sltu	$8,$2,$6
addu	$3,$7,$5
addu	$3,$8,$3
sw	$2,16($18)
j	$L123
sw	$3,20($18)

$L128:
lui	$2,%hi($LC1)
lw	$20,%lo($LC1)($2)
lw	$21,%lo($LC1+4)($2)
move	$6,$20
j	$L122
move	$7,$21

.set	macro
.set	reorder
.end	demux_ogg_add_sub
.section	.rodata.str1.4
.align	2
$LC5:
.ascii	"\003vorbis\000"
.align	2
$LC6:
.ascii	"LANGUAGE=\000"
.align	2
$LC7:
.ascii	"ID_SID_%d_LANG=%s\012\000"
.align	2
$LC8:
.ascii	"ID_AID_%d_LANG=%s\012\000"
.align	2
$LC9:
.ascii	"[Ogg] Language for -sid %d is '-slang \"%s\"'\012\000"
.align	2
$LC10:
.ascii	"Language\000"
.align	2