vp56.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 4,654 行 · 第 1/5 页

.file	1 "vp56.c"
.section .mdebug.abi32
.previous
.section	.text.vp56_init_dequant,"ax",@progbits
.align	2
.align	5
.globl	vp56_init_dequant
.ent	vp56_init_dequant
.type	vp56_init_dequant, @function
vp56_init_dequant:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$6,%hi(vp56_ac_dequant)
lui	$2,%hi(vp56_dc_dequant)
addiu	$6,$6,%lo(vp56_ac_dequant)
addiu	$2,$2,%lo(vp56_dc_dequant)
addu	$6,$5,$6
addu	$2,$5,$2
lbu	$7,0($2)
lbu	$3,0($6)
sll	$7,$7,2
sll	$3,$3,2
sh	$3,4198($4)
sh	$7,4196($4)
j	$31
sw	$5,4192($4)

.set	macro
.set	reorder
.end	vp56_init_dequant
.section	.text.vp56_free,"ax",@progbits
.align	2
.align	5
.globl	vp56_free
.ent	vp56_free
.type	vp56_free, @function
vp56_free:
.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	$17,20($sp)
sw	$16,16($sp)
lw	$16,136($4)
move	$17,$4
jal	av_free
lw	$4,4200($16)

jal	av_free
lw	$4,4300($16)

jal	av_free
lw	$4,4080($16)

lw	$5,4064($16)
lw	$2,0($5)
beq	$2,$0,$L4
move	$4,$17

lw	$2,264($17)
jal	$2
nop

$L4:
lw	$5,4068($16)
lw	$2,0($5)
beq	$2,$0,$L6
move	$4,$17

lw	$2,264($17)
jal	$2
nop

$L6:
lw	$5,4060($16)
lw	$2,0($5)
beq	$2,$0,$L8
move	$4,$17

lw	$2,264($17)
jal	$2
nop

$L8:
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	vp56_free
.section	.text.vp56_init,"ax",@progbits
.align	2
.align	5
.globl	vp56_init
.ent	vp56_init
.type	vp56_init, @function
vp56_init:
.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	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$31,32($sp)
sw	$16,16($sp)
lw	$16,136($4)
lw	$3,372($4)
li	$2,39			# 0x27
move	$17,$4
movz	$2,$0,$6
move	$19,$5
move	$18,$6
addiu	$4,$16,4
sw	$2,52($17)
move	$5,$17
bne	$3,$0,$L16
sw	$17,0($16)

li	$2,12			# 0xc
sw	$2,372($17)
$L16:
jal	dsputil_init
nop

lui	$6,%hi(ff_zigzag_direct)
addiu	$6,$6,%lo(ff_zigzag_direct)
addiu	$5,$16,3120
jal	ff_init_scantable
addiu	$4,$16,2904

move	$4,$17
move	$5,$0
jal	avcodec_set_dimensions
move	$6,$0

addiu	$4,$16,3656
addiu	$5,$16,3856
li	$6,-1			# 0xffffffffffffffff
li	$7,1			# 0x1
addiu	$2,$16,3256
addiu	$3,$16,3456
sw	$2,4056($16)
sw	$3,4060($16)
sw	$4,4072($16)
sw	$5,4076($16)
sw	$18,5424($16)
sw	$4,4064($16)
sw	$5,4068($16)
sw	$0,4080($16)
sw	$0,4200($16)
sw	$0,4300($16)
sw	$6,4192($16)
sw	$7,5144($16)
beq	$19,$0,$L18
sw	$0,5468($16)

li	$2,2			# 0x2
sw	$6,5428($16)
sw	$2,5432($16)
sw	$0,5436($16)
lw	$31,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,40

$L18:
li	$2,2			# 0x2
sw	$2,5436($16)
sw	$7,5428($16)
sw	$0,5432($16)
lw	$31,32($sp)
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	vp56_init
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"get_buffer() failed\012\000"
.align	2
$LC1:
.ascii	"picture too big\012\000"
.section	.text.vp56_decode_frame,"ax",@progbits
.align	2
.align	5
.globl	vp56_decode_frame
.ent	vp56_decode_frame
.type	vp56_decode_frame, @function
vp56_decode_frame:
.frame	$sp,328,$31		# vars= 240, regs= 10/0, args= 48, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-328
sw	$31,324($sp)
sw	$fp,320($sp)
sw	$23,316($sp)
sw	$22,312($sp)
sw	$21,308($sp)
sw	$20,304($sp)
sw	$19,300($sp)
sw	$18,296($sp)
sw	$17,292($sp)
sw	$16,288($sp)
lw	$fp,136($4)
sw	$4,328($sp)
lw	$3,4056($fp)
lw	$2,5424($fp)
sw	$5,332($sp)
sw	$6,336($sp)
sw	$7,340($sp)
.set	noreorder
.set	nomacro
bne	$2,$0,$L23
sw	$3,240($sp)
.set	macro
.set	reorder

$L24:
li	$4,6			# 0x6
sw	$0,236($sp)
sw	$4,140($sp)
sw	$0,136($sp)
$L25:
lw	$2,236($sp)
li	$3,1872			# 0x750
mul	$3,$2,$3
lw	$5,340($sp)
addiu	$3,$3,5496
addu	$3,$fp,$3
lw	$2,5488($fp)
lw	$6,344($sp)
sw	$3,5492($fp)
sw	$0,48($sp)
move	$4,$fp
.set	noreorder
.set	nomacro
jal	$2
addiu	$7,$sp,48
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$2,$0,$L976
move	$16,$2
.set	macro
.set	reorder

lw	$3,236($sp)
.set	noreorder
.set	nomacro
beq	$3,$0,$L1084
lw	$4,328($sp)
.set	macro
.set	reorder

$L31:
lw	$3,240($sp)
$L1269:
lw	$2,48($3)
.set	noreorder
.set	nomacro
bne	$2,$0,$L1085
addiu	$16,$fp,4088
.set	macro
.set	reorder

lw	$2,5492($fp)
sw	$2,204($sp)
li	$2,2			# 0x2
sw	$2,52($3)
move	$17,$0
move	$18,$0
$L49:
lw	$5,0($16)
li	$3,174			# 0xae
addiu	$2,$5,-1
mul	$2,$2,$3
lw	$7,12($16)
addiu	$4,$2,255
slt	$3,$2,0
movn	$2,$4,$3
sra	$2,$2,8
addiu	$3,$2,1
sll	$4,$3,8
sltu	$2,$7,$4
xori	$8,$2,0x1
.set	noreorder
.set	nomacro
beq	$8,$0,$L51
move	$6,$3
.set	macro
.set	reorder

subu	$6,$5,$3
subu	$7,$7,$4
sw	$6,0($16)
sw	$7,12($16)
$L1057:
slt	$2,$6,128
beq	$2,$0,$L1086
$L54:
lw	$2,4($16)
sll	$6,$6,1
sll	$7,$7,1
addiu	$5,$2,-1
sw	$6,0($16)
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L1057
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
lw	$6,0($16)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
slt	$2,$6,128
.set	noreorder
.set	nomacro
bne	$2,$0,$L54
sw	$7,12($16)
.set	macro
.set	reorder

$L1086:
.set	noreorder
.set	nomacro
beq	$8,$0,$L1239
addiu	$3,$6,-1
.set	macro
.set	reorder

addiu	$2,$6,1
sra	$3,$2,1
sll	$4,$3,8
sltu	$2,$7,$4
xori	$9,$2,0x1
.set	noreorder
.set	nomacro
bne	$9,$0,$L59
subu	$2,$6,$3
.set	macro
.set	reorder

sll	$6,$3,1
sw	$6,0($16)
$L61:
lw	$5,4($16)
sll	$7,$7,1
addiu	$5,$5,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L62
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
sw	$7,12($16)
$L62:
lw	$6,0($16)
addiu	$2,$6,1
sra	$3,$2,1
sll	$4,$3,8
sltu	$2,$7,$4
xori	$11,$2,0x1
.set	noreorder
.set	nomacro
bne	$11,$0,$L64
subu	$2,$6,$3
.set	macro
.set	reorder

sll	$6,$3,1
sw	$6,0($16)
$L66:
sll	$7,$7,1
addiu	$5,$5,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L67
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
sw	$7,12($16)
$L67:
lw	$8,0($16)
sll	$2,$9,1
addiu	$3,$8,1
sra	$4,$3,1
sll	$6,$4,8
sltu	$3,$7,$6
xori	$10,$3,0x1
.set	noreorder
.set	nomacro
bne	$10,$0,$L69
or	$9,$2,$11
.set	macro
.set	reorder

sll	$6,$4,1
sw	$6,0($16)
$L71:
sll	$7,$7,1
addiu	$5,$5,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L72
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
sw	$7,12($16)
$L72:
lw	$8,0($16)
sll	$2,$9,1
addiu	$3,$8,1
sra	$4,$3,1
sll	$6,$4,8
sltu	$3,$7,$6
xori	$9,$3,0x1
.set	noreorder
.set	nomacro
beq	$9,$0,$L74
or	$10,$2,$10
.set	macro
.set	reorder

subu	$2,$8,$4
subu	$7,$7,$6
sll	$6,$2,1
sw	$6,0($16)
sw	$7,12($16)
$L76:
sll	$7,$7,1
addiu	$5,$5,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L77
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$7,12($16)
sw	$2,8($16)
$L77:
sll	$2,$10,1
or	$2,$2,$9
sll	$6,$2,6
sll	$2,$2,2
sll	$3,$17,4
subu	$6,$6,$2
sll	$4,$17,2
lw	$2,204($sp)
addu	$4,$4,$3
lui	$5,%hi(vp56_pre_def_mb_type_stats)
addu	$4,$4,$2
addu	$6,$18,$6
addiu	$5,$5,%lo(vp56_pre_def_mb_type_stats)
addu	$5,$6,$5
addiu	$4,$4,1812
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,20			# 0x14
.set	macro
.set	reorder

lw	$6,0($16)
lw	$7,12($16)
addiu	$3,$6,-1
$L1239:
sll	$2,$3,8
sll	$3,$3,1
subu	$2,$2,$3
addiu	$4,$2,255
slt	$3,$2,0
movn	$2,$4,$3
sra	$2,$2,8
addiu	$3,$2,1
sll	$4,$3,8
sltu	$2,$7,$4
xori	$8,$2,0x1
.set	noreorder
.set	nomacro
beq	$8,$0,$L80
subu	$7,$7,$4
.set	macro
.set	reorder

subu	$6,$6,$3
sw	$6,0($16)
sw	$7,12($16)
$L1058:
slt	$2,$6,128
beq	$2,$0,$L1087
$L83:
lw	$2,12($16)
lw	$3,4($16)
sll	$6,$6,1
sll	$7,$2,1
addiu	$5,$3,-1
sw	$6,0($16)
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L1058
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
lw	$6,0($16)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
slt	$2,$6,128
.set	noreorder
.set	nomacro
bne	$2,$0,$L83
sw	$7,12($16)
.set	macro
.set	reorder

$L1087:
.set	noreorder
.set	nomacro
beq	$8,$0,$L87
move	$14,$0
.set	macro
.set	reorder

sll	$19,$17,1
sll	$20,$17,3
$L153:
addu	$2,$19,$20
addu	$2,$2,$14
lw	$8,204($sp)
sll	$2,$2,1
addu	$2,$2,$8
addiu	$11,$2,1812
move	$12,$0
$L88:
addiu	$4,$6,-1
sll	$5,$4,2
sll	$2,$4,4
subu	$2,$2,$5
sll	$3,$2,4
addu	$2,$2,$3
addu	$2,$2,$4
addiu	$5,$2,255
slt	$3,$2,0
movn	$2,$5,$3
sra	$2,$2,8
addiu	$3,$2,1
lw	$5,12($16)
sll	$4,$3,8
sltu	$2,$5,$4
xori	$8,$2,0x1
.set	noreorder
.set	nomacro
beq	$8,$0,$L90
subu	$7,$5,$4
.set	macro
.set	reorder

subu	$6,$6,$3
sw	$6,0($16)
sw	$7,12($16)
$L1059:
slt	$2,$6,128
beq	$2,$0,$L1088
$L93:
lw	$2,12($16)
lw	$3,4($16)
sll	$6,$6,1
sll	$7,$2,1
addiu	$5,$3,-1
sw	$6,0($16)
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L1059
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
lw	$6,0($16)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
slt	$2,$6,128
.set	noreorder
.set	nomacro
bne	$2,$0,$L93
sw	$7,12($16)
.set	macro
.set	reorder

$L1088:
.set	noreorder
.set	nomacro
beq	$8,$0,$L96
addiu	$2,$6,1
.set	macro
.set	reorder

sra	$3,$2,1
lw	$7,12($16)
sll	$5,$3,8
sltu	$2,$7,$5
xori	$15,$2,0x1
.set	noreorder
.set	nomacro
beq	$15,$0,$L98
subu	$2,$6,$3
.set	macro
.set	reorder

subu	$7,$7,$5
sll	$6,$2,1
sw	$6,0($16)
sw	$7,12($16)
$L100:
lw	$2,4($16)
sll	$7,$7,1
addiu	$5,$2,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L101
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$7,12($16)
sw	$2,8($16)
$L101:
lui	$2,%hi(vp56_pmbtm_tree)
lui	$3,%hi(vp56_mb_type_model_model)
addiu	$8,$2,%lo(vp56_pmbtm_tree)
addiu	$10,$3,%lo(vp56_mb_type_model_model)
$L1061:
lb	$2,0($8)
.set	noreorder
.set	nomacro
blez	$2,$L1240
subu	$3,$0,$2
.set	macro
.set	reorder

$L104:
lb	$2,1($8)
lw	$6,0($16)
addu	$2,$2,$10
lbu	$4,0($2)
addiu	$3,$6,-1
mul	$3,$3,$4
.set	noreorder
.set	nomacro
bltz	$3,$L1090
move	$2,$3
.set	macro
.set	reorder

$L105:
sra	$2,$2,8
addiu	$3,$2,1
lw	$5,12($16)
sll	$4,$3,8
sltu	$2,$5,$4
xori	$9,$2,0x1
beq	$9,$0,$L106
subu	$6,$6,$3
subu	$7,$5,$4
sw	$6,0($16)
sw	$7,12($16)
$L1060:
lw	$4,0($16)
slt	$2,$4,128
beq	$2,$0,$L1091
$L109:
lw	$2,12($16)
lw	$3,4($16)
sll	$6,$4,1
sll	$7,$2,1
addiu	$5,$3,-1
sw	$6,0($16)
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L1060
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
lw	$4,0($16)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
slt	$2,$4,128
.set	noreorder
.set	nomacro
bne	$2,$0,$L109
sw	$7,12($16)
.set	macro
.set	reorder

$L1091:
beq	$9,$0,$L112
lb	$2,0($8)
sll	$2,$2,1
addu	$8,$8,$2
lb	$2,0($8)
.set	noreorder
.set	nomacro
bgtz	$2,$L104
subu	$3,$0,$2
.set	macro
.set	reorder

$L1240:
.set	noreorder
.set	nomacro
bne	$3,$0,$L1241
subu	$2,$0,$15
.set	macro
.set	reorder

lw	$4,0($16)
lw	$7,12($16)
addiu	$2,$4,1
sra	$3,$2,1
sll	$5,$3,8
sltu	$2,$7,$5
xori	$9,$2,0x1
.set	noreorder
.set	nomacro
bne	$9,$0,$L117
subu	$2,$4,$3
.set	macro
.set	reorder

sll	$6,$3,1
sw	$6,0($16)
$L119:
lw	$5,4($16)
sll	$7,$7,1
addiu	$5,$5,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L120
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
sw	$7,12($16)
$L120:
lw	$4,0($16)
addiu	$2,$4,1
sra	$3,$2,1
sll	$6,$3,8
sltu	$2,$7,$6
xori	$10,$2,0x1
.set	noreorder
.set	nomacro
bne	$10,$0,$L122
subu	$2,$4,$3
.set	macro
.set	reorder

sll	$6,$3,1
sw	$6,0($16)
$L124:
sll	$7,$7,1
addiu	$5,$5,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L125
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
sw	$7,12($16)
$L125:
lw	$8,0($16)
sll	$2,$9,1
addiu	$3,$8,1
sra	$4,$3,1
sll	$6,$4,8
sltu	$3,$7,$6
xori	$13,$3,0x1
.set	noreorder
.set	nomacro
bne	$13,$0,$L127
or	$9,$2,$10
.set	macro
.set	reorder

sll	$6,$4,1
sw	$6,0($16)
$L129:
sll	$7,$7,1
addiu	$5,$5,-1
sw	$7,12($16)
.set	noreorder
.set	nomacro
bne	$5,$0,$L130
sw	$5,4($16)
.set	macro
.set	reorder

lw	$2,8($16)
li	$5,8			# 0x8
sw	$5,4($16)
lbu	$3,0($2)
addiu	$2,$2,1
or	$7,$7,$3
sw	$2,8($16)
sw	$7,12($16)
$L130:
lw	$8,0($16)
sll	$2,$9,1
addiu	$3,$8,1
sra	$4,$3,1
sll	$6,$4,8
sltu	$3,$7,$6
xori	$10,$3,0x1
.set	noreorder
.set	nomacro
bne	$10,$0,$L132
or	$9,$2,$13
.set	macro
.set	reorder