demux_mpg.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 4,965 行 · 第 1/5 页

.file	1 "demux_mpg.c"
.section .mdebug.abi32
.previous
.section	.text.demux_mpg_gxf_open,"ax",@progbits
.align	2
.align	5
.ent	demux_mpg_gxf_open
.type	demux_mpg_gxf_open, @function
demux_mpg_gxf_open:
.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	$16,16($sp)
sw	$17,20($sp)
lw	$2,52($4)
move	$16,$4
lw	$17,56($4)
sw	$0,92($2)
move	$5,$0
jal	new_sh_video_vid
move	$6,$0

lw	$4,56($16)
sw	$2,92($17)
lw	$2,92($4)
li	$3,-1			# 0xffffffffffffffff
sw	$4,4($2)
sw	$3,2248($16)
move	$2,$16
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	demux_mpg_gxf_open
.section	.text.demux_mpg_es_open,"ax",@progbits
.align	2
.align	5
.ent	demux_mpg_es_open
.type	demux_mpg_es_open, @function
demux_mpg_es_open:
.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	$16,16($sp)
sw	$17,20($sp)
lw	$2,52($4)
move	$16,$4
lw	$17,56($4)
sw	$0,92($2)
move	$5,$0
jal	new_sh_video_vid
move	$6,$0

lw	$4,56($16)
sw	$2,92($17)
lw	$3,92($4)
move	$2,$16
sw	$4,4($3)
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

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

lw	$2,2248($4)
beq	$2,$0,$L10
move	$4,$2

j	uc_free
nop

$L10:
j	$31
nop

.set	macro
.set	reorder
.end	demux_close_mpg
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"\015\012DEMUX_MPG_CTRL, (%.3lf)\015\012\000"
.globl	__extendsfdf2
.globl	__gtsf2
.globl	__subsf3
.globl	__mulsf3
.globl	__divsf3
.globl	__fixsfsi
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC1:
.word	1120403456
.section	.text.demux_mpg_control,"ax",@progbits
.align	2
.align	5
.globl	demux_mpg_control
.ent	demux_mpg_control
.type	demux_mpg_control, @function
demux_mpg_control:
.frame	$sp,40,$31		# vars= 0, regs= 4/0, args= 24, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$18,32($sp)
sw	$17,28($sp)
sw	$31,36($sp)
sw	$16,24($sp)
li	$2,10			# 0xa
move	$17,$4
move	$18,$6
beq	$5,$2,$L13
lw	$16,2248($4)

slt	$2,$5,10
beq	$2,$0,$L54
li	$2,11			# 0xb

$L12:
li	$5,-1			# 0xffffffffffffffff
$L18:
lw	$31,36($sp)
$L62:
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,40

$L54:
beq	$5,$2,$L14
li	$2,12			# 0xc

bne	$5,$2,$L12
nop

beq	$16,$0,$L12
nop

lw	$4,272($16)
slt	$2,$4,2
bne	$2,$0,$L12
nop

lw	$7,52($17)
beq	$7,$0,$L12
nop

lw	$2,92($7)
beq	$2,$0,$L12
nop

lw	$6,0($6)
bltz	$6,$L55
nop

lw	$2,276($16)
beq	$2,$6,$L56
move	$3,$16

j	$L44
li	$5,1			# 0x1

$L57:
addiu	$5,$5,1
beq	$4,$5,$L41
nop

$L44:
lw	$2,280($3)
bne	$6,$2,$L57
addiu	$3,$3,4

$L45:
sll	$2,$6,2
addu	$2,$2,$17
lw	$3,64($2)
lw	$6,68($7)
sll	$2,$5,2
$L61:
addu	$2,$2,$16
lw	$2,276($2)
beq	$6,$2,$L41
nop

sw	$2,68($7)
sw	$3,92($7)
jal	ds_free_packs
move	$4,$7

lw	$7,52($17)
$L41:
lw	$2,68($7)
li	$5,1			# 0x1
j	$L18
sw	$2,0($18)

$L13:
lw	$4,16($4)
jal	stream_control
li	$5,1			# 0x1

li	$3,-1			# 0xffffffffffffffff
beq	$2,$3,$L16
lui	$6,%hi($LC0)

lw	$2,0($18)
lw	$3,4($18)
li	$5,7			# 0x7
addiu	$6,$6,%lo($LC0)
li	$4,5			# 0x5
sw	$2,16($sp)
jal	mp_msg
sw	$3,20($sp)

li	$5,2			# 0x2
lw	$31,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,40

$L14:
beq	$16,$0,$L18
move	$5,$0

lw	$2,12($16)
beq	$2,$0,$L62
lw	$31,36($sp)

lw	$17,8($16)
move	$5,$0
jal	__gtsf2
move	$4,$17

blez	$2,$L19
nop

lw	$5,4($16)
jal	__subsf3
lw	$4,0($16)

lui	$3,%hi($LC1)
lw	$5,%lo($LC1)($3)
jal	__mulsf3
move	$4,$2

move	$4,$2
jal	__divsf3
move	$5,$17

jal	__fixsfsi
move	$4,$2

li	$5,1			# 0x1
j	$L18
sw	$2,0($18)

$L19:
j	$L18
move	$5,$0

$L16:
beq	$16,$0,$L18
move	$5,$0

lw	$2,12($16)
beq	$2,$0,$L62
lw	$31,36($sp)

jal	__extendsfdf2
lw	$4,8($16)

li	$5,1			# 0x1
sw	$2,0($18)
j	$L18
sw	$3,4($18)

$L56:
j	$L45
move	$5,$0

$L55:
lw	$6,68($7)
lw	$2,276($16)
beq	$6,$2,$L58
li	$5,1			# 0x1

j	$L37
move	$3,$16

$L60:
addiu	$5,$5,1
beq	$4,$5,$L34
addiu	$2,$4,1

$L37:
lw	$2,280($3)
bne	$2,$6,$L60
addiu	$3,$3,4

j	$L34
addiu	$2,$5,1

$L58:
li	$2,1			# 0x1
$L34:
div	$0,$2,$4
teq	$4,$0,7
mfhi	$5
sll	$2,$5,2
addu	$2,$2,$16
lw	$3,276($2)
slt	$4,$5,$4
sll	$3,$3,2
addu	$3,$3,$17
beq	$4,$0,$L41
lw	$3,64($3)

j	$L61
sll	$2,$5,2

.set	macro
.set	reorder
.end	demux_mpg_control
.section	.text.demux_mpg_es_fill_buffer,"ax",@progbits
.align	2
.align	5
.ent	demux_mpg_es_fill_buffer
.type	demux_mpg_es_fill_buffer, @function
demux_mpg_es_fill_buffer:
.frame	$sp,40,$31		# vars= 0, regs= 1/0, args= 32, gp= 0
.mask	0x80000000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$31,32($sp)
move	$8,$4
lw	$4,16($4)
move	$3,$0
lw	$2,56($4)
move	$5,$4
bne	$2,$0,$L66
li	$6,131072			# 0x20000

lw	$3,36($4)
lw	$2,44($4)
lw	$7,40($4)
addu	$2,$2,$3
lw	$4,56($8)
subu	$2,$2,$7
sw	$2,4($8)
sw	$2,24($sp)
sw	$0,16($sp)
sw	$0,20($sp)
jal	ds_read_packet
sw	$0,28($sp)

li	$3,1			# 0x1
$L66:
lw	$31,32($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	demux_mpg_es_fill_buffer
.globl	__lesf2
.globl	__addsf3
.globl	__floatsisf
.globl	__gesf2
.globl	__nedf2
.globl	__truncdfsf2
.globl	__gtdf2
.globl	__ltsf2
.globl	__eqsf2
.section	.rodata.cst4
.align	2
$LC2:
.word	1210726144
.align	2
$LC3:
.word	1056964608
.section	.text.demux_seek_mpg,"ax",@progbits
.align	2
.align	5
.globl	demux_seek_mpg
.ent	demux_seek_mpg
.type	demux_seek_mpg, @function
demux_seek_mpg:
.frame	$sp,80,$31		# vars= 24, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-80
sw	$21,60($sp)
sw	$31,76($sp)
sw	$fp,72($sp)
sw	$23,68($sp)
sw	$22,64($sp)
sw	$20,56($sp)
sw	$19,52($sp)
sw	$18,48($sp)
sw	$17,44($sp)
sw	$16,40($sp)
lw	$fp,52($4)
lw	$23,56($4)
lw	$2,92($fp)
andi	$3,$7,0x1
sw	$2,32($sp)
lw	$2,92($23)
sw	$4,80($sp)
sw	$2,28($sp)
lw	$2,4($4)
move	$21,$5
lw	$22,2248($4)
bne	$3,$0,$L69
sw	$2,20($sp)

lw	$20,8($4)
beq	$22,$0,$L147
move	$18,$2

$L72:
lw	$2,0($22)
bne	$3,$0,$L75
sw	$2,24($sp)

$L154:
andi	$2,$7,0x2
beq	$2,$0,$L78
lw	$17,24($sp)

$L155:
beq	$22,$0,$L161
lw	$2,80($sp)

lw	$16,8($22)
move	$5,$0
jal	__lesf2
move	$4,$16

blez	$2,$L80
lw	$2,80($sp)

move	$5,$16
jal	__mulsf3
move	$4,$21

move	$5,$2
jal	__addsf3
move	$4,$17

lw	$3,80($sp)
move	$4,$2
move	$5,$0
lw	$19,12($3)
jal	__gesf2
sw	$2,16($sp)

bltz	$2,$L162
move	$2,$0

$L87:
jal	__floatsisf
move	$4,$18

move	$16,$2
subu	$4,$19,$20
$L144:
jal	__floatsisf
nop

move	$5,$2
move	$4,$21
$L145:
jal	__mulsf3
nop

move	$4,$16
$L157:
jal	__addsf3
move	$5,$2

jal	__fixsfsi
move	$4,$2

move	$18,$2
$L88:
lw	$2,80($sp)
li	$19,1			# 0x1
lw	$4,16($2)
$L98:
slt	$2,$18,$20
beq	$2,$0,$L99
move	$5,$20

lw	$3,24($4)
li	$2,1			# 0x1
beq	$3,$2,$L101
lw	$3,80($sp)

bltz	$18,$L149
sw	$0,8($3)

$L99:
lw	$3,44($4)
slt	$2,$18,$3
beq	$2,$0,$L104
nop

lw	$2,40($4)
subu	$2,$3,$2
subu	$2,$18,$2
bltz	$2,$L104
nop

sw	$2,36($4)
lui	$2,%hi(videobuf_code_len)
$L158:
move	$4,$23
jal	ds_fill_buffer
sw	$0,%lo(videobuf_code_len)($2)

lw	$3,32($sp)
beq	$3,$0,$L163
lw	$2,28($sp)

jal	ds_fill_buffer
move	$4,$fp

lw	$2,32($sp)
$L159:
move	$6,$0
beq	$2,$0,$L110
move	$7,$0

lw	$2,28($fp)
beq	$2,$0,$L150
nop

$L110:
lw	$2,28($sp)
$L163:
beq	$2,$0,$L119
nop

jal	sync_video_packet
move	$4,$23

move	$4,$2
lw	$2,28($sp)
lw	$3,12($2)
li	$2,826474496			# 0x31430000
ori	$2,$2,0x5657
beq	$3,$2,$L151
li	$5,268435456			# 0x10000000

ori	$2,$5,0x4
beq	$3,$2,$L152
ori	$2,$5,0x5

beq	$3,$2,$L153
li	$2,435			# 0x1b3

beq	$4,$2,$L119
li	$2,440			# 0x1b8

beq	$4,$2,$L119
nop

$L123:
beq	$4,$0,$L119
nop

$L128:
jal	skip_video_packet
move	$4,$23

bne	$2,$0,$L159
lw	$2,32($sp)

$L119:
beq	$22,$0,$L164
lw	$31,76($sp)

beq	$19,$0,$L164
lw	$4,16($sp)

lw	$16,0($22)
jal	__subsf3
move	$5,$16

move	$21,$2
lui	$3,%hi($LC3)
li	$2,2147418112			# 0x7fff0000
ori	$2,$2,0xffff
lw	$5,%lo($LC3)($3)
jal	__ltsf2
and	$4,$21,$2

bltz	$2,$L140
lw	$4,24($sp)

jal	__eqsf2
move	$5,$16

beq	$2,$0,$L140
lw	$3,20($sp)

jal	__floatsisf
subu	$4,$18,$3

lw	$5,24($sp)
move	$4,$16
jal	__subsf3
move	$20,$2

move	$5,$2
move	$4,$20
jal	__mulsf3
move	$17,$2

move	$4,$2
jal	__ltsf2
move	$5,$0

bltz	$2,$L141
nop

jal	__floatsisf
move	$4,$18

move	$5,$20
move	$4,$21
jal	__mulsf3
move	$16,$2

move	$4,$2
jal	__divsf3
move	$5,$17

move	$5,$2
jal	__addsf3
move	$4,$16

jal	__fixsfsi
move	$4,$2

move	$4,$fp
jal	ds_free_packs
move	$18,$2

jal	ds_free_packs
move	$4,$23

lw	$2,80($sp)
addiu	$19,$19,-1
jal	ds_free_packs
lw	$4,60($2)

lw	$3,80($sp)
lw	$4,16($3)
sw	$0,56($4)
sw	$0,28($23)
sw	$0,28($fp)
j	$L98
lw	$20,8($3)

$L69:
lw	$2,80($sp)
lw	$20,8($2)
bne	$22,$0,$L72
move	$18,$20

$L147:
move	$2,$0
beq	$3,$0,$L154
sw	$2,24($sp)

$L75:
andi	$2,$7,0x2
bne	$2,$0,$L155
move	$17,$0

$L78:
move	$4,$17
jal	__addsf3
move	$5,$21

move	$4,$2
move	$5,$0
jal	__gesf2
sw	$2,16($sp)

bltz	$2,$L156
move	$3,$0

beq	$22,$0,$L160
lw	$3,28($sp)

$L142:
lw	$2,12($22)
beq	$2,$0,$L85
lw	$3,28($sp)

lw	$17,8($22)
move	$5,$0
jal	__gtsf2
move	$4,$17

blez	$2,$L90
nop

jal	__floatsisf
move	$4,$18

lw	$3,80($sp)
move	$16,$2
lw	$4,12($3)
jal	__floatsisf
subu	$4,$4,$20

move	$5,$2
jal	__mulsf3
move	$4,$21

move	$4,$2
jal	__divsf3
move	$5,$17

j	$L157
move	$4,$16

$L85:
$L160:
beq	$3,$0,$L95
nop

lw	$17,252($3)
beq	$17,$0,$L95
nop

jal	__floatsisf
move	$4,$18

move	$16,$2
j	$L144
move	$4,$17

$L104:
jal	stream_seek_long
move	$5,$18

j	$L158
lui	$2,%hi(videobuf_code_len)

$L150:
lw	$20,16($23)
lw	$21,20($23)
move	$4,$20
jal	__nedf2
move	$5,$21

move	$6,$0
beq	$2,$0,$L110
move	$7,$0

lw	$16,16($fp)
lw	$17,20($fp)
move	$4,$16
jal	__nedf2
move	$5,$17

move	$4,$16
beq	$2,$0,$L110
move	$5,$17

jal	__truncdfsf2
nop

move	$17,$2
lw	$4,24($fp)
lw	$2,4($fp)
lw	$5,0($fp)
subu	$4,$4,$2
lw	$2,32($sp)
addu	$4,$4,$5
lw	$3,56($2)
jal	__floatsisf
subu	$4,$4,$3

lw	$3,32($sp)
move	$16,$2
jal	__floatsisf
lw	$4,44($3)

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

move	$5,$2
jal	__addsf3
move	$4,$17

jal	__extendsfdf2
move	$4,$2

move	$6,$2
move	$4,$20
move	$5,$21
jal	__gtdf2
move	$7,$3

blez	$2,$L110
lw	$4,32($sp)

jal	skip_audio_frame
nop

j	$L159
lw	$2,32($sp)

$L149:
move	$5,$0
$L101:
j	$L99
move	$18,$5

$L95:
jal	__floatsisf
move	$4,$18

move	$16,$2
lui	$2,%hi($LC2)
lw	$5,%lo($LC2)($2)
j	$L145
move	$4,$21

$L156:
bne	$22,$0,$L142
sw	$3,16($sp)

j	$L160
lw	$3,28($sp)

$L80:
$L161:
lw	$19,12($2)
jal	__floatsisf
subu	$4,$19,$20

move	$5,$2
jal	__mulsf3
move	$4,$21

lw	$4,24($sp)
jal	__mulsf3
move	$5,$2

lw	$4,20($sp)
jal	__floatsisf
move	$16,$2

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

move	$5,$2
jal	__addsf3
move	$4,$17

move	$4,$2
move	$5,$0
jal	__gesf2
sw	$2,16($sp)

bgez	$2,$L87
move	$2,$0

$L162:
j	$L87
sw	$2,16($sp)

$L152:
li	$2,438			# 0x1b6
bne	$4,$2,$L123
lui	$2,%hi(videobuf_len)

move	$4,$23
jal	read_video_packet
lw	$16,%lo(videobuf_len)($2)

beq	$2,$0,$L119
lui	$2,%hi(videobuffer)

lw	$3,%lo(videobuffer)($2)
addu	$3,$3,$16
lbu	$2,4($3)
andi	$2,$2,0x3f
bne	$2,$0,$L128
nop

j	$L119
nop

$L151:
addiu	$2,$4,-270
sltu	$2,$2,2
beq	$2,$0,$L123
nop

j	$L119
nop

$L153:
li	$2,-97			# 0xffffffffffffff9f
and	$2,$4,$2
li	$3,261			# 0x105
bne	$2,$3,$L123
nop

j	$L119
nop

$L90:
lw	$4,24($sp)
jal	__gtsf2
move	$5,$0

blez	$2,$L88
nop

jal	__floatsisf
move	$4,$18

move	$16,$2
lw	$2,20($sp)
jal	__floatsisf
subu	$4,$2,$20

move	$5,$2
jal	__mulsf3
move	$4,$21

lw	$5,24($sp)
jal	__divsf3
move	$4,$2

j	$L157
move	$4,$16

$L141:
sw	$0,12($22)