mpegvideo.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 5,062 行 · 第 1/5 页

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

move	$9,$4
sw	$6,0($5)
move	$7,$0
li	$8,64			# 0x40
$L2:
addu	$3,$6,$7
lbu	$2,0($3)
addu	$4,$5,$7
addu	$2,$2,$9
lbu	$3,0($2)
addiu	$7,$7,1
bne	$7,$8,$L2
sb	$3,4($4)

move	$6,$0
li	$4,-1			# 0xffffffffffffffff
li	$7,64			# 0x40
$L4:
lbu	$3,4($5)
addiu	$6,$6,1
slt	$2,$4,$3
movn	$4,$3,$2
sb	$4,68($5)
bne	$6,$7,$L4
addiu	$5,$5,1

j	$31
nop

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

sltu	$2,$4,$5
beq	$2,$0,$L13
move	$9,$6

lw	$2,0($6)
lbu	$3,0($4)
sll	$2,$2,8
addu	$3,$2,$3
li	$8,256			# 0x100
sw	$3,0($6)
beq	$2,$8,$L15
addiu	$6,$4,1

beq	$5,$6,$L15
sll	$3,$3,8

lbu	$2,1($4)
addu	$7,$3,$2
sw	$7,0($9)
beq	$3,$8,$L15
addiu	$6,$4,2

beq	$5,$6,$L15
sll	$3,$7,8

lbu	$2,2($4)
addu	$2,$3,$2
sw	$2,0($9)
beq	$3,$8,$L15
addiu	$6,$4,3

beq	$5,$6,$L15
nop

$L35:
sltu	$2,$6,$5
beq	$2,$0,$L37
sltu	$2,$5,$6

$L36:
lbu	$3,-1($6)
sltu	$2,$3,2
bne	$2,$0,$L24
nop

addiu	$6,$6,3
sltu	$2,$6,$5
bne	$2,$0,$L36
nop

$L22:
sltu	$2,$5,$6
$L37:
movn	$6,$5,$2
addiu	$5,$6,-4
lbu	$4,1($5)
lbu	$2,-4($6)
lbu	$7,3($5)
lbu	$3,2($5)
sll	$2,$2,24
sll	$4,$4,16
or	$2,$2,$4
or	$2,$2,$7
sll	$3,$3,8
or	$3,$3,$2
move	$5,$6
sw	$3,0($9)
$L13:
j	$31
move	$2,$5

$L24:
lbu	$2,-2($6)
beq	$2,$0,$L27
addiu	$3,$3,-1

j	$L35
addiu	$6,$6,2

$L27:
lbu	$2,-3($6)
or	$2,$2,$3
beq	$2,$0,$L29
nop

j	$L35
addiu	$6,$6,1

$L15:
move	$5,$6
j	$31
move	$2,$5

$L29:
j	$L22
addiu	$6,$6,1

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

move	$9,$4
move	$6,$5
move	$7,$4
addiu	$8,$5,400
$L39:
lw	$2,0($6)
lw	$3,4($6)
lw	$4,8($6)
lw	$5,12($6)
addiu	$6,$6,16
sw	$2,0($7)
sw	$3,4($7)
sw	$4,8($7)
sw	$5,12($7)
bne	$6,$8,$L39
addiu	$7,$7,16

lw	$2,4($6)
lw	$3,0($6)
sw	$2,4($7)
li	$2,8			# 0x8
sw	$3,0($7)
j	$31
sw	$2,152($9)

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

lui	$5,%hi(ff_mpeg1_dc_scale_table)
lui	$2,%hi(ff_default_chroma_qscale_table)
li	$6,1			# 0x1
addiu	$5,$5,%lo(ff_mpeg1_dc_scale_table)
addiu	$2,$2,%lo(ff_default_chroma_qscale_table)
li	$3,3			# 0x3
sw	$6,5260($4)
sw	$5,1972($4)
sw	$2,1980($4)
sw	$3,8500($4)
sw	$5,1976($4)
sw	$6,8552($4)
sw	$6,8480($4)
sw	$0,120($4)
sw	$0,124($4)
sw	$0,116($4)
sw	$0,128($4)
j	$31
sw	$6,5256($4)

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

beq	$5,$0,$L46
nop

lw	$4,184($4)
move	$5,$0
j	$L48
li	$3,32			# 0x20

$L49:
addiu	$5,$5,1
$L66:
beq	$5,$3,$L52
addiu	$4,$4,408

$L48:
lw	$2,0($4)
bne	$2,$0,$L49
nop

lw	$2,152($4)
bne	$2,$0,$L66
addiu	$5,$5,1

addiu	$5,$5,-1
$L51:
j	$31
move	$2,$5

$L46:
lw	$4,184($4)
move	$5,$0
move	$3,$4
j	$L53
li	$6,32			# 0x20

$L54:
addiu	$5,$5,1
beq	$5,$6,$L64
addiu	$3,$3,408

$L53:
lw	$2,0($3)
bne	$2,$0,$L54
nop

lw	$2,152($3)
bne	$2,$0,$L51
nop

addiu	$5,$5,1
bne	$5,$6,$L53
addiu	$3,$3,408

$L64:
move	$5,$0
j	$L57
li	$3,32			# 0x20

$L65:
addiu	$5,$5,1
beq	$5,$3,$L52
nop

$L57:
lw	$2,0($4)
bne	$2,$0,$L65
addiu	$4,$4,408

j	$L51
nop

$L52:
li	$5,-1			# 0xffffffffffffffff
j	$31
move	$2,$5

.set	macro
.set	reorder
.end	ff_find_unused_picture
.section	.text.MPV_frame_end,"ax",@progbits
.align	2
.align	5
.globl	MPV_frame_end
.ent	MPV_frame_end
.type	MPV_frame_end, @function
MPV_frame_end:
.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	$31,36($sp)
sw	$17,28($sp)
sw	$16,24($sp)
lw	$2,2128($4)
beq	$2,$0,$L68
move	$18,$4

lw	$2,1544($4)
bne	$2,$0,$L84
nop

$L68:
lw	$5,2084($18)
$L87:
lw	$6,1880($18)
sw	$5,2088($18)
sll	$2,$5,2
lw	$4,72($6)
addu	$2,$2,$18
li	$3,3			# 0x3
beq	$5,$3,$L73
sw	$4,2104($2)

sw	$5,2092($18)
$L73:
lw	$2,52($18)
beq	$2,$0,$L75
move	$16,$0

li	$17,13056			# 0x3300
$L77:
lw	$2,184($18)
addu	$5,$16,$2
lw	$2,0($5)
beq	$2,$0,$L78
addiu	$16,$16,408

lw	$2,80($5)
beq	$2,$0,$L85
nop

$L78:
bne	$16,$17,$L77
nop

lw	$6,1880($18)
$L75:
lw	$2,0($18)
sw	$6,408($2)
lw	$31,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,40

$L85:
lw	$4,0($18)
lw	$2,264($4)
jal	$2
nop

bne	$16,$17,$L77
nop

j	$L75
lw	$6,1880($18)

$L84:
lw	$2,16($4)
bne	$2,$0,$L68
nop

lw	$2,56($4)
andi	$2,$2,0x4000
bne	$2,$0,$L68
lui	$16,%hi(draw_edges)

lw	$5,176($18)
lw	$6,164($18)
lw	$7,168($18)
lw	$3,%lo(draw_edges)($16)
lw	$4,1464($4)
li	$2,16			# 0x10
jal	$3
sw	$2,16($sp)

lw	$6,164($18)
lw	$7,168($18)
lw	$4,1468($18)
lw	$5,180($18)
lw	$2,%lo(draw_edges)($16)
li	$17,8			# 0x8
sra	$6,$6,1
sra	$7,$7,1
jal	$2
sw	$17,16($sp)

lw	$6,164($18)
lw	$7,168($18)
lw	$4,1472($18)
lw	$5,180($18)
lw	$2,%lo(draw_edges)($16)
sra	$6,$6,1
sw	$17,16($sp)
jal	$2
sra	$7,$7,1

j	$L87
lw	$5,2084($18)

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

lw	$2,20($sp)
lw	$9,16($sp)
addiu	$3,$2,-1
lw	$14,28($sp)
bltz	$5,$L121
lw	$13,32($sp)

slt	$2,$5,$3
movz	$5,$3,$2
lw	$2,24($sp)
bltz	$6,$L122
addiu	$8,$2,-1

$L92:
slt	$2,$6,$8
movz	$6,$8,$2
bltz	$7,$L123
mul	$10,$14,$6

$L95:
slt	$2,$7,$3
bltz	$9,$L124
movz	$7,$3,$2

$L98:
addu	$3,$5,$10
slt	$2,$9,$8
addu	$11,$3,$4
movz	$9,$8,$2
lbu	$2,0($11)
subu	$3,$7,$5
addu	$2,$13,$2
sb	$2,0($11)
subu	$12,$9,$6
bltz	$3,$L125
move	$8,$3

$L102:
bltz	$12,$L126
move	$2,$12

$L103:
slt	$2,$2,$8
beq	$2,$0,$L101
slt	$2,$9,$6

slt	$2,$7,$5
bne	$2,$0,$L127
sll	$2,$12,16

div	$0,$2,$3
teq	$3,$0,7
bltz	$3,$L132
mflo	$10

$L129:
addiu	$9,$3,1
move	$7,$0
move	$8,$0
li	$12,65536			# 0x10000
$L109:
sra	$3,$8,16
mul	$6,$14,$3
andi	$4,$8,0xffff
subu	$2,$12,$4
addiu	$3,$3,1
mul	$2,$13,$2
addu	$5,$6,$7
mul	$15,$14,$3
addu	$5,$11,$5
lbu	$6,0($5)
mul	$4,$13,$4
sra	$2,$2,16
addu	$3,$15,$7
addu	$2,$2,$6
sb	$2,0($5)
addu	$3,$11,$3
lbu	$2,0($3)
sra	$4,$4,16
addu	$4,$4,$2
addiu	$7,$7,1
sb	$4,0($3)
bne	$7,$9,$L109
addu	$8,$8,$10

$L132:
j	$31
nop

$L101:
bne	$2,$0,$L128
mul	$3,$9,$14

beq	$12,$0,$L112
nop

$L130:
bltz	$12,$L132
subu	$2,$7,$5

sll	$2,$2,16
div	$0,$2,$12
teq	$12,$0,7
mflo	$7
$L115:
move	$10,$0
move	$8,$0
move	$9,$0
$L116:
andi	$4,$8,0xffff
li	$3,65536			# 0x10000
subu	$3,$3,$4
sra	$2,$8,16
mul	$3,$13,$3
mul	$4,$13,$4
addu	$2,$2,$9
addu	$2,$11,$2
lbu	$5,0($2)
lbu	$6,1($2)
sra	$3,$3,16
sra	$4,$4,16
addiu	$10,$10,1
addu	$3,$3,$5
addu	$4,$4,$6
slt	$5,$12,$10
sb	$4,1($2)
sb	$3,0($2)
addu	$8,$8,$7
beq	$5,$0,$L116
addu	$9,$9,$14

$L131:
j	$31
nop

$L127:
mul	$3,$9,$14
subu	$12,$6,$9
addu	$2,$3,$7
addu	$11,$2,$4
subu	$3,$5,$7
sll	$2,$12,16
div	$0,$2,$3
teq	$3,$0,7
bgez	$3,$L129
mflo	$10

j	$L131
nop

$L112:
j	$L115
move	$7,$0

$L128:
subu	$12,$6,$9
addu	$2,$3,$7
move	$3,$7
addu	$11,$4,$2
move	$7,$5
beq	$12,$0,$L112
move	$5,$3

j	$L130
nop

$L126:
j	$L103
subu	$2,$0,$12

$L121:
lw	$2,24($sp)
move	$5,$0
bgez	$6,$L92
addiu	$8,$2,-1

$L122:
move	$6,$0
bgez	$7,$L95
move	$10,$0

$L123:
bgez	$9,$L98
move	$7,$0

$L124:
addu	$3,$5,$10
addu	$11,$3,$4
lbu	$2,0($11)
move	$9,$0
subu	$3,$7,$5
addu	$2,$13,$2
sb	$2,0($11)
subu	$12,$9,$6
bgez	$3,$L102
move	$8,$3

$L125:
j	$L102
subu	$8,$0,$3

.set	macro
.set	reorder
.end	draw_line
.section	.text.draw_arrow,"ax",@progbits
.align	2
.align	5
.ent	draw_arrow
.type	draw_arrow, @function
draw_arrow:
.frame	$sp,88,$31		# vars= 8, regs= 10/0, args= 40, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-88
sw	$21,68($sp)
lw	$21,108($sp)
slt	$2,$5,-100
sw	$fp,80($sp)
sw	$23,76($sp)
sw	$22,72($sp)
sw	$20,64($sp)
move	$22,$4
sw	$31,84($sp)
move	$4,$7
sw	$19,60($sp)
sw	$18,56($sp)
sw	$17,52($sp)
sw	$16,48($sp)
lw	$8,104($sp)
lw	$20,112($sp)
lw	$23,116($sp)
lw	$fp,120($sp)
beq	$2,$0,$L134
addiu	$7,$21,100

li	$19,-100			# 0xffffffffffffff9c
$L136:
slt	$2,$6,-100
beq	$2,$0,$L137
addiu	$3,$20,100

li	$18,-100			# 0xffffffffffffff9c
$L139:
slt	$2,$4,-100
beq	$2,$0,$L140
slt	$2,$4,$7

li	$2,-100			# 0xffffffffffffff9c
sw	$2,40($sp)
$L142:
slt	$2,$8,-100
beq	$2,$0,$L143
slt	$2,$8,$3

li	$5,-100			# 0xffffffffffffff9c
sw	$5,44($sp)
move	$2,$5
$L145:
subu	$4,$2,$18
lw	$2,40($sp)
mult	$4,$4
subu	$3,$2,$19
madd	$3,$3
mflo	$5
slt	$2,$5,10
bne	$2,$0,$L146
subu	$7,$4,$3

mult	$7,$7
addu	$6,$3,$4
madd	$6,$6
mflo	$2
sll	$4,$2,8
slt	$2,$4,128
beq	$2,$0,$L148
li	$2,1073676288			# 0x3fff0000

lui	$2,%hi(ff_sqrt_tab)
addiu	$2,$2,%lo(ff_sqrt_tab)
addu	$2,$4,$2
lbu	$16,0($2)
sll	$2,$6,1
addu	$2,$2,$6
sll	$2,$2,4
blez	$2,$L192
sra	$4,$16,1

$L193:
addu	$3,$2,$4
div	$0,$3,$16
teq	$16,$0,7
sll	$2,$7,1
addu	$2,$2,$7
sll	$2,$2,4
blez	$2,$L186
mflo	$17

$L191:
addu	$2,$4,$2
$L188:
div	$0,$2,$16
teq	$16,$0,7
move	$4,$22
move	$5,$19
move	$6,$18
addu	$7,$19,$17
sw	$21,20($sp)
sw	$20,24($sp)
sw	$23,28($sp)
sw	$fp,32($sp)
mflo	$16
addu	$2,$18,$16
jal	draw_line
sw	$2,16($sp)

addu	$2,$18,$17
subu	$7,$19,$16
move	$4,$22
move	$5,$19
move	$6,$18
sw	$2,16($sp)
sw	$21,20($sp)
sw	$20,24($sp)
sw	$23,28($sp)
jal	draw_line
sw	$fp,32($sp)

$L146:
lw	$2,44($sp)
lw	$7,40($sp)
sw	$21,108($sp)
sw	$20,112($sp)
sw	$23,116($sp)
sw	$fp,120($sp)
move	$4,$22
move	$5,$19
move	$6,$18
sw	$2,104($sp)
lw	$31,84($sp)
lw	$fp,80($sp)
lw	$23,76($sp)
lw	$22,72($sp)
lw	$21,68($sp)
lw	$20,64($sp)
lw	$19,60($sp)
lw	$18,56($sp)
lw	$17,52($sp)
lw	$16,48($sp)
j	draw_line
addiu	$sp,$sp,88

$L143:
movz	$8,$3,$2
move	$2,$8
j	$L145
sw	$8,44($sp)

$L140:
movz	$4,$7,$2
j	$L142
sw	$4,40($sp)

$L137:
slt	$2,$6,$3
move	$18,$6
j	$L139
movz	$18,$3,$2

$L134:
slt	$2,$5,$7
move	$19,$5
j	$L136
movz	$19,$7,$2

$L148:
ori	$2,$2,0xffff
slt	$2,$2,$4
bne	$2,$0,$L151
li	$2,-1073741824			# 0xffffffffc0000000

move	$5,$0
$L153:
sll	$2,$5,2
addiu	$2,$2,1
sll	$2,$2,28
slt	$3,$4,$2
bne	$3,$0,$L154
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L154:
sll	$2,$5,2
addiu	$2,$2,1
sll	$2,$2,26
slt	$3,$4,$2
bne	$3,$0,$L156
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L156:
sll	$2,$5,2
addiu	$2,$2,1
sll	$2,$2,24
slt	$3,$4,$2
bne	$3,$0,$L158
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L158:
sll	$2,$5,2
addiu	$2,$2,1
sll	$2,$2,22
slt	$3,$4,$2
bne	$3,$0,$L160
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L160:
sll	$2,$5,2
addiu	$2,$2,1
sll	$2,$2,20
slt	$3,$4,$2
bne	$3,$0,$L162
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L162:
sll	$2,$5,2
addiu	$2,$2,1
sll	$2,$2,18
slt	$3,$4,$2
bne	$3,$0,$L164
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L164:
sll	$2,$5,2
addiu	$2,$2,1
sll	$2,$2,16
slt	$3,$4,$2
bne	$3,$0,$L166
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L166:
sll	$2,$5,16
addiu	$2,$2,16384
slt	$3,$4,$2
bne	$3,$0,$L168
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L168:
sll	$2,$5,14
addiu	$2,$2,4096
slt	$3,$4,$2
bne	$3,$0,$L170
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L170:
sll	$2,$5,12
addiu	$2,$2,1024
slt	$3,$4,$2
bne	$3,$0,$L172
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L172:
sll	$2,$5,10
addiu	$2,$2,256
slt	$3,$4,$2
bne	$3,$0,$L174
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L174:
sll	$2,$5,8
addiu	$2,$2,64
slt	$3,$4,$2
bne	$3,$0,$L176
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L176:
sll	$2,$5,6
addiu	$2,$2,16
slt	$3,$4,$2
bne	$3,$0,$L178
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L178:
sll	$2,$5,4
addiu	$2,$2,4
slt	$3,$4,$2
bne	$3,$0,$L180
sll	$5,$5,1

subu	$4,$4,$2
addiu	$5,$5,1
$L180:
sll	$2,$5,2
sll	$16,$5,1
addiu	$2,$2,1
slt	$2,$4,$2
addiu	$3,$16,1
movz	$16,$3,$2
sll	$2,$6,1
addu	$2,$2,$6
sll	$2,$2,4
bgtz	$2,$L193
sra	$4,$16,1

$L192:
subu	$3,$2,$4
div	$0,$3,$16
teq	$16,$0,7
sll	$2,$7,1
addu	$2,$2,$7
sll	$2,$2,4
bgtz	$2,$L191
mflo	$17

$L186:
j	$L188