thp.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 462 行

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

lw	$2,4($4)
lbu	$3,3($2)
lbu	$5,2($2)
lbu	$6,0($2)
lbu	$4,1($2)
sll	$5,$5,16
sll	$3,$3,24
or	$3,$3,$5
or	$3,$3,$6
sll	$4,$4,8
li	$2,5242880			# 0x500000
or	$4,$4,$3
ori	$2,$2,0x4854
xor	$4,$4,$2
li	$2,100			# 0x64
j	$31
movn	$2,$0,$4

.set	macro
.set	reorder
.end	thp_probe
.globl	__extendsfdf2
.globl	__floatsidf
.globl	__divdf3
.globl	__fixdfsi
.section	.text.thp_read_header,"ax",@progbits
.align	2
.align	5
.ent	thp_read_header
.type	thp_read_header, @function
thp_read_header:
.frame	$sp,72,$31		# vars= 8, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$21,52($sp)
addiu	$21,$4,16
sw	$31,68($sp)
sw	$23,60($sp)
sw	$fp,64($sp)
sw	$22,56($sp)
sw	$20,48($sp)
sw	$19,44($sp)
sw	$18,40($sp)
sw	$17,36($sp)
sw	$16,32($sp)
move	$23,$4
move	$4,$21
jal	get_be32
lw	$20,12($23)

jal	get_be32
move	$4,$21

sw	$2,0($20)
jal	get_be32
move	$4,$21

jal	get_be32
move	$4,$21

jal	get_be32
move	$4,$21

jal	av_int2flt
move	$4,$2

jal	__extendsfdf2
move	$4,$2

move	$6,$2
li	$2,2147418112			# 0x7fff0000
move	$7,$3
ori	$2,$2,0xffff
addiu	$4,$sp,24
jal	av_d2q
sw	$2,16($sp)

lw	$3,28($sp)
lw	$2,24($sp)
move	$4,$21
sw	$3,28($20)
jal	get_be32
sw	$2,24($20)

sw	$2,20($20)
jal	get_be32
move	$4,$21

sw	$2,8($20)
jal	get_be32
move	$4,$21

jal	get_be32
move	$4,$21

sw	$2,16($20)
jal	get_be32
move	$4,$21

jal	get_be32
move	$4,$21

sw	$2,4($20)
jal	get_be32
move	$4,$21

lw	$5,4($20)
lw	$4,8($20)
lw	$3,16($20)
sw	$5,36($20)
move	$6,$3
sra	$7,$3,31
sw	$4,40($20)
sw	$2,12($20)
move	$4,$21
jal	url_fseek
sw	$0,16($sp)

jal	get_be32
move	$4,$21

sw	$2,52($20)
move	$4,$21
addiu	$5,$20,56
jal	get_buffer
li	$6,16			# 0x10

lw	$3,52($20)
blez	$3,$L7
li	$2,65536			# 0x10000

move	$22,$0
j	$L9
ori	$fp,$2,0x1000

$L26:
lw	$2,72($20)
bne	$2,$0,$L7
move	$4,$23

jal	av_new_stream
move	$5,$0

beq	$2,$0,$L13
move	$19,$2

lw	$6,28($20)
lw	$7,24($20)
li	$5,64			# 0x40
jal	av_set_pts_info
move	$4,$2

lw	$16,8($19)
li	$2,104			# 0x68
sw	$2,228($16)
sw	$0,224($16)
sw	$0,232($16)
jal	get_be32
move	$4,$21

sw	$2,40($16)
lw	$17,8($19)
jal	get_be32
move	$4,$21

sw	$2,44($17)
lw	$4,24($20)
jal	__floatsidf
lw	$18,8($19)

lw	$4,28($20)
move	$16,$2
jal	__floatsidf
move	$17,$3

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

move	$5,$3
jal	__fixdfsi
move	$4,$2

sw	$2,64($18)
lw	$2,0($19)
lw	$3,0($20)
sw	$2,44($20)
beq	$3,$fp,$L25
sw	$19,72($20)

lw	$3,52($20)
$L15:
addiu	$22,$22,1
slt	$2,$22,$3
beq	$2,$0,$L27
lw	$31,68($sp)

$L9:
addu	$2,$22,$20
lbu	$18,56($2)
beq	$18,$0,$L26
li	$2,1			# 0x1

bne	$18,$2,$L15
nop

lw	$2,76($20)
bne	$2,$0,$L7
move	$4,$23

jal	av_new_stream
move	$5,$0

beq	$2,$0,$L13
move	$19,$2

lw	$16,8($2)
li	$2,65536			# 0x10000
ori	$2,$2,0x1012
move	$4,$21
sw	$18,224($16)
sw	$2,228($16)
jal	get_be32
sw	$0,232($16)

sw	$2,68($16)
lw	$17,8($19)
jal	get_be32
move	$4,$21

lw	$3,8($19)
sw	$2,64($17)
lw	$7,64($3)
move	$4,$19
li	$5,64			# 0x40
jal	av_set_pts_info
li	$6,1			# 0x1

lw	$2,0($19)
lw	$3,52($20)
addiu	$22,$22,1
sw	$2,48($20)
slt	$2,$22,$3
bne	$2,$0,$L9
sw	$18,76($20)

$L7:
lw	$31,68($sp)
$L27:
lw	$fp,64($sp)
lw	$23,60($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)
move	$2,$0
j	$31
addiu	$sp,$sp,72

$L25:
jal	get_be32
move	$4,$21

j	$L15
lw	$3,52($20)

$L13:
lw	$31,68($sp)
lw	$fp,64($sp)
lw	$23,60($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	$2,-12			# 0xfffffffffffffff4
j	$31
addiu	$sp,$sp,72

.set	macro
.set	reorder
.end	thp_read_header
.section	.text.thp_read_packet,"ax",@progbits
.align	2
.align	5
.ent	thp_read_packet
.type	thp_read_packet, @function
thp_read_packet:
.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)
lw	$16,12($4)
addiu	$17,$4,16
lw	$6,80($16)
beq	$6,$0,$L49
move	$18,$5

jal	av_get_packet
move	$4,$17

lw	$3,80($16)
bne	$2,$3,$L48
move	$4,$0

lw	$3,48($16)
sw	$3,24($18)
lw	$2,32($16)
sw	$0,80($16)
addiu	$2,$2,1
sw	$2,32($16)
$L40:
lw	$31,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,48

$L49:
lw	$2,32($16)
lw	$3,20($16)
slt	$2,$2,$3
bne	$2,$0,$L50
move	$4,$17

li	$4,-5			# 0xfffffffffffffffb
$L52:
lw	$31,40($sp)
$L53:
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
move	$2,$4
j	$31
addiu	$sp,$sp,48

$L48:
beq	$18,$0,$L52
li	$4,-5			# 0xfffffffffffffffb

lw	$2,36($18)
beq	$2,$0,$L53
lw	$31,40($sp)

jal	$2
move	$4,$18

j	$L40
li	$4,-5			# 0xfffffffffffffffb

$L50:
lw	$2,36($16)
move	$6,$2
sra	$7,$2,31
jal	url_fseek
sw	$0,16($sp)

lw	$5,36($16)
lw	$2,40($16)
move	$4,$17
addu	$5,$5,$2
jal	get_be32
sw	$5,36($16)

sw	$2,40($16)
jal	get_be32
move	$4,$17

jal	get_be32
move	$4,$17

move	$19,$2
lw	$2,76($16)
bne	$2,$0,$L51
nop

lw	$2,32($16)
addiu	$2,$2,1
sw	$2,32($16)
$L35:
move	$4,$17
move	$5,$18
jal	av_get_packet
move	$6,$19

bne	$19,$2,$L48
move	$4,$0

lw	$2,44($16)
j	$L40
sw	$2,24($18)

$L51:
jal	get_be32
move	$4,$17

j	$L35
sw	$2,80($16)

.set	macro
.set	reorder
.end	thp_read_packet
.globl	thp_demuxer
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"thp\000"
.align	2
$LC1:
.ascii	"THP\000"
.data
.align	2
.type	thp_demuxer, @object
.size	thp_demuxer, 64
thp_demuxer:
.word	$LC0
.word	$LC1
.word	84
.word	thp_probe
.word	thp_read_header
.word	thp_read_packet
.space	40
.ident	"GCC: (GNU) 4.1.2"