txd.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 277 行

.file	1 "txd.c"
.section .mdebug.abi32
.previous
.section	.text.txd_probe,"ax",@progbits
.align	2
.align	5
.ent	txd_probe
.type	txd_probe, @function
txd_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	$6,4($4)
lbu	$2,3($6)
lbu	$3,2($6)
sll	$2,$2,24
sll	$3,$3,16
lbu	$4,1($6)
lbu	$5,0($6)
or	$2,$2,$3
or	$2,$2,$5
sll	$4,$4,8
or	$4,$4,$2
li	$3,22			# 0x16
beq	$4,$3,$L9
nop

$L2:
move	$4,$0
$L6:
j	$31
move	$2,$4

$L9:
lbu	$2,11($6)
lbu	$4,10($6)
sll	$2,$2,24
sll	$4,$4,16
lbu	$5,8($6)
lbu	$3,9($6)
or	$2,$2,$4
or	$2,$2,$5
sll	$3,$3,8
or	$3,$3,$2
li	$2,402849792			# 0x18030000
ori	$2,$2,0xffff
beq	$3,$2,$L6
li	$4,100			# 0x64

li	$2,268632064			# 0x10030000
ori	$2,$2,0xffff
bne	$3,$2,$L2
nop

j	$L6
nop

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

j	$31
move	$2,$0

.set	macro
.set	reorder
.end	txd_read_close
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"marker does not match\012\000"
.align	2
$LC1:
.ascii	"unknown chunk id %i\012\000"
.section	.text.txd_read_packet,"ax",@progbits
.align	2
.align	5
.ent	txd_read_packet
.type	txd_read_packet, @function
txd_read_packet:
.frame	$sp,48,$31		# vars= 0, regs= 8/0, args= 16, gp= 0
.mask	0x807f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
li	$2,402849792			# 0x18030000
li	$3,268632064			# 0x10030000
sw	$22,40($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$18,24($sp)
sw	$31,44($sp)
sw	$19,28($sp)
sw	$17,20($sp)
sw	$16,16($sp)
move	$22,$5
addiu	$18,$4,16
ori	$20,$2,0xffff
ori	$21,$3,0xffff
$L32:
jal	get_le32
move	$4,$18

move	$4,$18
jal	get_le32
move	$17,$2

move	$4,$18
jal	get_le32
move	$19,$2

move	$4,$18
jal	url_feof
move	$16,$2

bne	$2,$0,$L19
li	$2,-5			# 0xfffffffffffffffb

beq	$16,$20,$L34
li	$2,3			# 0x3

bne	$16,$21,$L27
lui	$6,%hi($LC0)

$L34:
beq	$17,$2,$L22
sltu	$2,$17,4

beq	$2,$0,$L23
addiu	$2,$17,-21

li	$2,1			# 0x1
beq	$17,$2,$L33
sltu	$2,$19,101

lui	$6,%hi($LC1)
$L35:
addiu	$6,$6,%lo($LC1)
move	$7,$17
move	$4,$0
jal	av_log
move	$5,$0

li	$2,-5			# 0xfffffffffffffffb
$L19:
lw	$31,44($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,48

$L33:
beq	$2,$0,$L24
move	$4,$18

$L22:
move	$6,$19
move	$7,$0
jal	url_fskip
move	$4,$18

j	$L32
nop

$L23:
sltu	$2,$2,2
beq	$2,$0,$L35
lui	$6,%hi($LC1)

j	$L32
nop

$L24:
move	$6,$19
jal	av_get_packet
move	$5,$22

bgtz	$2,$L19
sw	$0,24($22)

j	$L19
li	$2,-5			# 0xfffffffffffffffb

$L27:
addiu	$6,$6,%lo($LC0)
move	$4,$0
jal	av_log
move	$5,$0

j	$L19
li	$2,-5			# 0xfffffffffffffffb

.set	macro
.set	reorder
.end	txd_read_packet
.section	.text.txd_read_header,"ax",@progbits
.align	2
.align	5
.ent	txd_read_header
.type	txd_read_header, @function
txd_read_header:
.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
.mask	0x80000000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$31,16($sp)
jal	av_new_stream
move	$5,$0

beq	$2,$0,$L39
li	$5,-12			# 0xfffffffffffffff4

lw	$4,8($2)
li	$2,1			# 0x1
sw	$2,32($4)
li	$3,109			# 0x6d
li	$2,5			# 0x5
move	$5,$0
sw	$3,228($4)
sw	$2,36($4)
sw	$0,224($4)
$L39:
lw	$31,16($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	txd_read_header
.globl	txd_demuxer
.section	.rodata.str1.4
.align	2
$LC2:
.ascii	"txd\000"
.align	2
$LC3:
.ascii	"txd format\000"
.data
.align	2
.type	txd_demuxer, @object
.size	txd_demuxer, 64
txd_demuxer:
.word	$LC2
.word	$LC3
.word	0
.word	txd_probe
.word	txd_read_header
.word	txd_read_packet
.word	txd_read_close
.space	36
.ident	"GCC: (GNU) 4.1.2"