vf_halfpack.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 391 行

.file	1 "vf_halfpack.c"
.section .mdebug.abi32
.previous
.section	.text.halfpack_C,"ax",@progbits
.align	2
.align	5
.ent	halfpack_C
.type	halfpack_C, @function
halfpack_C:
.frame	$sp,24,$31		# vars= 0, regs= 5/0, args= 0, gp= 0
.mask	0x001f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
lw	$8,40($sp)
lw	$9,44($sp)
sw	$20,16($sp)
sw	$19,12($sp)
sw	$18,8($sp)
sw	$17,4($sp)
sw	$16,0($sp)
srl	$3,$9,31
lw	$11,0($7)
srl	$2,$8,31
addu	$3,$3,$9
addu	$2,$2,$8
lw	$10,8($7)
lw	$9,4($7)
sra	$15,$2,1
sra	$16,$3,1
sll	$2,$8,1
sll	$3,$11,1
subu	$20,$6,$2
subu	$17,$3,$8
move	$6,$4
subu	$19,$9,$15
lw	$4,8($5)
subu	$18,$10,$15
lw	$24,0($5)
beq	$16,$0,$L10
lw	$25,4($5)

addu	$7,$24,$11
sll	$10,$15,2
sll	$9,$15,1
$L4:
beq	$15,$0,$L8
nop

move	$5,$6
move	$14,$15
move	$11,$24
move	$8,$7
move	$13,$25
move	$12,$4
$L6:
lbu	$3,0($8)
lbu	$2,0($11)
addiu	$14,$14,-1
addu	$2,$2,$3
sra	$2,$2,1
sb	$2,0($5)
lbu	$3,0($13)
addiu	$13,$13,1
sb	$3,1($5)
lbu	$3,1($8)
lbu	$2,1($11)
addiu	$8,$8,2
addu	$2,$2,$3
sra	$2,$2,1
sb	$2,2($5)
lbu	$3,0($12)
addiu	$11,$11,2
sb	$3,3($5)
addiu	$12,$12,1
bne	$14,$0,$L6
addiu	$5,$5,4

addu	$4,$4,$15
addu	$6,$6,$10
addu	$7,$7,$9
addu	$24,$24,$9
addu	$25,$25,$15
$L8:
addiu	$16,$16,-1
beq	$16,$0,$L10
addu	$24,$24,$17

addu	$7,$7,$17
addu	$25,$25,$19
addu	$4,$4,$18
j	$L4
addu	$6,$6,$20

$L10:
lw	$20,16($sp)
lw	$19,12($sp)
lw	$18,8($sp)
lw	$17,4($sp)
lw	$16,0($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	halfpack_C
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"%d\000"
.section	.text.open,"ax",@progbits
.align	2
.align	5
.ent	open
.type	open, @function
open:
.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$2,%hi(config)
lui	$3,%hi(query_format)
addiu	$sp,$sp,-32
addiu	$2,$2,%lo(config)
addiu	$3,$3,%lo(query_format)
sw	$17,20($sp)
sw	$16,16($sp)
sw	$31,24($sp)
sw	$2,4($4)
sw	$3,12($4)
lui	$2,%hi(put_image)
lui	$3,%hi(uninit)
addiu	$3,$3,%lo(uninit)
addiu	$2,$2,%lo(put_image)
sw	$3,32($4)
move	$16,$4
sw	$2,20($4)
move	$17,$5
li	$4,1			# 0x1
jal	uc_calloc
li	$5,4			# 0x4

lui	$5,%hi($LC0)
li	$3,2			# 0x2
move	$4,$17
addiu	$5,$5,%lo($LC0)
move	$6,$2
sw	$2,100($16)
beq	$17,$0,$L15
sw	$3,0($2)

jal	sscanf
nop

$L15:
lui	$2,%hi(halfpack_C)
addiu	$2,$2,%lo(halfpack_C)
lui	$3,%hi(halfpack)
sw	$2,%lo(halfpack)($3)
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,32

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

j	uc_free
lw	$4,100($4)

.set	macro
.set	reorder
.end	uninit
.section	.text.put_image,"ax",@progbits
.align	2
.align	5
.ent	put_image
.type	put_image, @function
put_image:
.frame	$sp,64,$31		# vars= 0, regs= 6/0, args= 40, gp= 0
.mask	0x80370000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-64
sw	$21,56($sp)
sw	$20,52($sp)
sw	$18,48($sp)
sw	$17,44($sp)
sw	$16,40($sp)
sw	$31,60($sp)
lw	$3,28($5)
lw	$8,24($5)
srl	$2,$3,31
move	$16,$5
move	$18,$4
addu	$2,$2,$3
lw	$4,92($4)
li	$5,844693504			# 0x32590000
ori	$5,$5,0x5559
sra	$2,$2,1
move	$20,$6
move	$21,$7
li	$6,2			# 0x2
li	$7,16			# 0x10
sw	$8,16($sp)
jal	vf_get_image
sw	$2,20($sp)

move	$17,$2
lw	$2,100($18)
addiu	$7,$16,48
lw	$10,0($2)
sltu	$2,$10,2
beq	$2,$0,$L21
addiu	$5,$16,32

lw	$3,28($16)
lw	$9,48($16)
srl	$2,$3,31
lw	$5,52($16)
addu	$2,$2,$3
lw	$3,24($16)
sll	$4,$9,1
sra	$2,$2,1
lw	$7,32($17)
sw	$2,20($sp)
sw	$3,16($sp)
sw	$4,24($sp)
sw	$5,28($sp)
lui	$2,%hi(yuv422ptoyuy2)
lw	$8,%lo(yuv422ptoyuy2)($2)
mul	$2,$10,$9
lw	$4,32($16)
lw	$3,48($17)
lw	$5,36($16)
lw	$6,40($16)
addu	$4,$2,$4
jal	$8
sw	$3,32($sp)

move	$4,$18
move	$5,$17
move	$6,$20
move	$7,$21
lw	$31,60($sp)
lw	$21,56($sp)
lw	$20,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
j	vf_next_put_image
addiu	$sp,$sp,64

$L21:
lw	$3,24($16)
lw	$8,28($16)
lui	$2,%hi(halfpack)
lw	$4,32($17)
lw	$6,48($17)
lw	$9,%lo(halfpack)($2)
sw	$3,16($sp)
jal	$9
sw	$8,20($sp)

move	$4,$18
move	$5,$17
move	$6,$20
move	$7,$21
lw	$31,60($sp)
lw	$21,56($sp)
lw	$20,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
j	vf_next_put_image
addiu	$sp,$sp,64

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

li	$2,842072064			# 0x32310000
move	$3,$5
ori	$2,$2,0x5659
li	$5,844693504			# 0x32590000
beq	$3,$2,$L27
ori	$5,$5,0x5559

li	$2,1448411136			# 0x56550000
ori	$2,$2,0x5949
beq	$3,$2,$L27
li	$2,808583168			# 0x30320000

ori	$2,$2,0x3449
beq	$3,$2,$L27
move	$2,$0

j	$31
nop

$L27:
j	vf_next_query_format
nop

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

srl	$2,$6,31
addu	$2,$2,$6
sra	$6,$2,1
li	$2,844693504			# 0x32590000
ori	$2,$2,0x5559
j	vf_next_config
sw	$2,24($sp)

.set	macro
.set	reorder
.end	config
.globl	vf_info_halfpack
.section	.rodata.str1.4
.align	2
$LC1:
.ascii	"yuv planar 4:2:0 -> packed 4:2:2, half height\000"
.align	2
$LC2:
.ascii	"halfpack\000"
.align	2
$LC3:
.ascii	"Richard Felker\000"
.subsection	-1
.align	2
$LC4:
.ascii	"\000"
.data
.align	2
.type	vf_info_halfpack, @object
.size	vf_info_halfpack, 24
vf_info_halfpack:
.word	$LC1
.word	$LC2
.word	$LC3
.word	$LC4
.word	open
.word	0
.local	halfpack
.comm	halfpack,4,4
.ident	"GCC: (GNU) 4.1.2"