h261dec.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 2,573 行 · 第 1/3 页

li	$2,2			# 0x2
sw	$2,2084($16)
sw	$0,8728($16)
lw	$3,4($16)
lw	$2,668($19)
bne	$3,$2,$L80
nop

lw	$3,8($16)
lw	$2,672($19)
beq	$3,$2,$L82
nop

$L80:
lw	$2,7996($16)
lw	$3,8000($16)
lw	$4,8004($16)
lw	$5,8008($16)
lw	$6,8012($16)
lw	$7,8016($16)
lw	$8,8020($16)
lw	$9,8024($16)
sw	$2,40($sp)
sw	$3,44($sp)
sw	$4,48($sp)
sw	$5,52($sp)
sw	$6,56($sp)
sw	$7,60($sp)
sw	$8,64($sp)
sw	$9,68($sp)
move	$4,$16
jal	MPV_common_end
sw	$0,7996($16)

lw	$3,44($sp)
lw	$4,48($sp)
lw	$5,52($sp)
lw	$6,56($sp)
lw	$7,60($sp)
lw	$8,64($sp)
lw	$9,68($sp)
lw	$2,40($sp)
sw	$3,8000($16)
sw	$2,7996($16)
sw	$4,8004($16)
sw	$5,8008($16)
sw	$6,8012($16)
sw	$7,8016($16)
sw	$8,8020($16)
sw	$9,8024($16)
$L82:
lw	$2,112($16)
bne	$2,$0,$L83
nop

lw	$5,4($16)
lw	$6,8($16)
jal	avcodec_set_dimensions
move	$4,$19

bgez	$20,$L225
nop

$L57:
move	$3,$0
$L237:
move	$2,$0
j	$L60
move	$4,$0

$L67:
lw	$4,0($16)
lui	$6,%hi($LC0)
addiu	$6,$6,%lo($LC0)
jal	av_log
move	$5,$0

lw	$4,0($16)
lui	$6,%hi($LC1)
addiu	$6,$6,%lo($LC1)
jal	av_log
move	$5,$0

li	$21,-1			# 0xffffffffffffffff
$L72:
move	$2,$21
$L240:
lw	$31,108($sp)
lw	$fp,104($sp)
lw	$23,100($sp)
lw	$22,96($sp)
lw	$21,92($sp)
lw	$20,88($sp)
lw	$19,84($sp)
lw	$18,80($sp)
lw	$17,76($sp)
lw	$16,72($sp)
j	$31
addiu	$sp,$sp,112

$L75:
li	$2,352			# 0x160
li	$3,288			# 0x120
sw	$2,4($16)
sw	$3,8($16)
li	$2,22			# 0x16
li	$3,18			# 0x12
sw	$2,144($16)
j	$L77
sw	$3,148($16)

$L223:
jal	MPV_common_init
move	$4,$16

bgez	$2,$L61
nop

$L63:
j	$L72
li	$21,-1			# 0xffffffffffffffff

$L83:
lw	$4,2084($16)
xori	$2,$4,0x1
sltu	$2,$2,1
sw	$2,1512($16)
sw	$4,1516($16)
lw	$2,128($19)
slt	$2,$2,5
beq	$2,$0,$L93
nop

lw	$3,716($19)
slt	$2,$3,8
bne	$2,$0,$L238
slt	$2,$3,32

li	$2,3			# 0x3
beq	$4,$2,$L93
slt	$2,$3,32

$L238:
bne	$2,$0,$L239
slt	$2,$3,48

li	$2,1			# 0x1
beq	$4,$2,$L94
slt	$2,$3,48

$L93:
lw	$2,8456($16)
sra	$4,$2,3
bne	$4,$0,$L99
addiu	$2,$4,10

li	$4,1			# 0x1
li	$2,11			# 0xb
$L99:
slt	$2,$21,$2
bne	$2,$0,$L240
move	$2,$21

j	$L72
move	$21,$4

$L94:
$L239:
beq	$2,$0,$L93
move	$5,$19

jal	MPV_frame_start
move	$4,$16

bltz	$2,$L63
nop

jal	ff_er_frame_start
move	$4,$16

sw	$0,6168($16)
sw	$0,6172($16)
$L222:
lw	$4,148($16)
$L235:
lw	$5,8728($16)
xori	$4,$4,0x12
li	$2,12			# 0xc
li	$3,5			# 0x5
movn	$2,$3,$4
slt	$2,$5,$2
beq	$2,$0,$L107
nop

lw	$2,8732($16)
bne	$2,$0,$L226
nop

lw	$6,8($17)
lw	$2,0($17)
sra	$4,$6,3
addu	$4,$4,$2
lbu	$3,0($4)
lbu	$5,1($4)
sll	$3,$3,24
sll	$5,$5,16
lbu	$7,3($4)
lbu	$2,2($4)
or	$3,$3,$5
or	$3,$3,$7
sll	$2,$2,8
or	$2,$2,$3
andi	$6,$6,0x7
sll	$2,$2,$6
srl	$2,$2,17
beq	$2,$0,$L227
nop

$L108:
lw	$2,7968($16)
lw	$3,7972($16)
lw	$4,7976($16)
lw	$5,7980($16)
sw	$2,8448($16)
sw	$3,8452($16)
sw	$4,8456($16)
sw	$5,8460($16)
lw	$12,8($17)
subu	$2,$0,$12
andi	$2,$2,0x7
beq	$2,$0,$L110
nop

addu	$12,$12,$2
sw	$12,8($17)
$L110:
lw	$2,8460($16)
subu	$18,$2,$12
slt	$3,$18,26
beq	$3,$0,$L206
nop

j	$L107
nop

$L113:
addiu	$12,$12,8
slt	$2,$18,26
bne	$2,$0,$L107
sw	$12,8($17)

$L206:
lw	$2,0($17)
sra	$4,$12,3
addu	$4,$4,$2
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
andi	$4,$12,0x7
or	$2,$2,$3
sll	$2,$2,$4
srl	$2,$2,17
addiu	$18,$18,-8
bne	$2,$0,$L113
move	$4,$16

lw	$2,8448($16)
lw	$3,8452($16)
lw	$5,8456($16)
lw	$6,8460($16)
sw	$2,24($sp)
sw	$3,28($sp)
sw	$5,32($sp)
jal	h261_decode_gob_header
sw	$6,36($sp)

bgez	$2,$L106
lw	$3,28($sp)

lw	$4,32($sp)
lw	$5,36($sp)
lw	$2,24($sp)
sw	$3,8452($16)
sw	$2,8448($16)
sw	$4,8456($16)
sw	$5,8460($16)
j	$L113
lw	$12,8($17)

$L227:
jal	h261_decode_gob_header
move	$4,$16

bltz	$2,$L108
nop

$L106:
lw	$5,2056($16)
jal	ff_set_qscale
move	$4,$16

lw	$2,8704($16)
slt	$2,$2,34
beq	$2,$0,$L222
nop

$L197:
j	$L217
lw	$14,0($17)

$L117:
addu	$12,$10,$7
li	$2,34			# 0x22
sw	$12,8($17)
beq	$8,$2,$L228
sw	$8,8712($16)

li	$2,33			# 0x21
bne	$8,$2,$L229
nop

$L217:
lw	$10,8($17)
lui	$2,%hi(h261_mba_vlc)
sra	$4,$10,3
addu	$4,$14,$4
lbu	$3,0($4)
lbu	$5,1($4)
addiu	$7,$2,%lo(h261_mba_vlc)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$10,0x7
sll	$2,$2,$4
lw	$9,4($7)
srl	$2,$2,23
sll	$2,$2,2
addu	$2,$9,$2
lh	$7,2($2)
bgez	$7,$L117
lh	$8,0($2)

addiu	$10,$10,9
sra	$4,$10,3
addu	$4,$14,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$10,0x7
sll	$2,$2,$4
srl	$2,$2,$7
addu	$2,$2,$8
sll	$2,$2,2
addu	$2,$9,$2
lh	$7,2($2)
j	$L117
lh	$8,0($2)

$L229:
bltz	$8,$L230
addiu	$3,$8,1

lw	$2,8704($16)
addu	$7,$3,$2
slt	$4,$7,34
sw	$3,8712($16)
beq	$4,$0,$L126
sw	$7,8704($16)

lw	$3,8728($16)
li	$2,-2147483648			# 0xffffffff80000000
addiu	$4,$3,-1
ori	$2,$2,0x1
and	$8,$4,$2
bgez	$8,$L241
li	$3,780861440			# 0x2e8b0000

addiu	$8,$8,-1
li	$2,-2			# 0xfffffffffffffffe
or	$8,$8,$2
addiu	$8,$8,1
$L241:
addiu	$7,$7,-1
ori	$3,$3,0xa2e9
mult	$7,$3
sra	$2,$7,31
mfhi	$3
srl	$6,$4,31
sra	$3,$3,1
subu	$3,$3,$2
sll	$2,$3,2
addu	$6,$6,$4
sll	$4,$3,4
sll	$5,$8,2
sra	$6,$6,1
subu	$4,$4,$2
sll	$2,$8,4
subu	$2,$2,$5
sll	$5,$6,1
addu	$5,$5,$6
lw	$6,152($16)
addu	$5,$5,$3
subu	$4,$4,$3
mul	$3,$5,$6
subu	$7,$7,$4
subu	$2,$2,$8
addu	$2,$2,$7
sw	$2,6168($16)
sw	$5,6172($16)
move	$4,$16
jal	ff_init_block_index
addu	$18,$3,$2

lw	$2,0($16)
lw	$3,6188($16)
lw	$10,664($2)
lw	$4,6192($16)
lw	$5,6196($16)
lw	$6,6200($16)
lw	$7,6204($16)
lw	$8,6208($16)
li	$2,8			# 0x8
sra	$2,$2,$10
lw	$9,6236($16)
lw	$10,6240($16)
lw	$11,6244($16)
addiu	$3,$3,2
addiu	$4,$4,2
addiu	$5,$5,2
addiu	$6,$6,2
addiu	$7,$7,1
addiu	$8,$8,1
sll	$12,$2,1
sw	$4,6192($16)
sw	$8,6208($16)
sw	$3,6188($16)
sw	$5,6196($16)
sw	$6,6200($16)
sw	$7,6204($16)
addu	$11,$11,$2
addu	$10,$10,$2
addu	$9,$9,$12
sw	$10,6240($16)
sw	$11,6244($16)
sw	$9,6236($16)
lw	$7,8($17)
lw	$9,0($17)
sra	$4,$7,3
addu	$4,$9,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$7,0x7
sll	$2,$2,$4
lui	$3,%hi(h261_mtype_vlc+4)
lw	$11,%lo(h261_mtype_vlc+4)($3)
srl	$2,$2,26
sll	$2,$2,2
addu	$2,$11,$2
lh	$10,2($2)
bgez	$10,$L129
lh	$8,0($2)

addiu	$7,$7,6
sra	$4,$7,3
addu	$4,$9,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$7,0x7
sll	$2,$2,$4
srl	$2,$2,$10
addu	$2,$2,$8
sll	$2,$2,2
addu	$2,$11,$2
lh	$10,2($2)
lh	$8,0($2)
$L129:
lui	$3,%hi(h261_mtype_map)
sll	$2,$8,2
addiu	$3,$3,%lo(h261_mtype_map)
addu	$2,$2,$3
lw	$4,0($2)
li	$2,65536			# 0x10000
addu	$12,$7,$10
and	$2,$4,$2
sw	$12,8($17)
beq	$2,$0,$L131
sw	$4,8716($16)

lw	$7,8($17)
move	$4,$16
sra	$3,$7,3
addu	$3,$3,$9
lbu	$2,0($3)
lbu	$6,1($3)
lbu	$8,3($3)
lbu	$5,2($3)
sll	$2,$2,24
sll	$6,$6,16
or	$2,$2,$6
or	$2,$2,$8
sll	$5,$5,8
or	$5,$5,$2
andi	$3,$7,0x7
sll	$5,$5,$3
addiu	$12,$7,5
sw	$12,8($17)
jal	ff_set_qscale
srl	$5,$5,27

$L131:
lw	$2,8716($16)
move	$4,$2
andi	$3,$4,0x8
andi	$2,$2,0x1
beq	$3,$0,$L133
sw	$2,6180($16)

lw	$3,8704($16)
li	$4,1			# 0x1
beq	$3,$4,$L135
li	$2,12			# 0xc

beq	$3,$2,$L135
li	$2,23			# 0x17

beq	$3,$2,$L135
nop

lw	$2,8712($16)
beq	$2,$4,$L139
nop

$L135:
sw	$0,8720($16)
sw	$0,8724($16)
$L139:
lw	$5,8720($16)
jal	decode_mv_component
move	$4,$17

lw	$5,8724($16)
move	$4,$17
jal	decode_mv_component
sw	$2,8720($16)

lw	$4,8716($16)
sw	$2,8724($16)
$L140:
li	$2,131072			# 0x20000
and	$2,$4,$2
bne	$2,$0,$L141
li	$22,63			# 0x3f

$L143:
lw	$2,6180($16)
beq	$2,$0,$L146
li	$2,1			# 0x1

lw	$2,1568($16)
sll	$3,$18,2
addu	$3,$3,$2
li	$4,1			# 0x1
sw	$4,0($3)
$L148:
lw	$2,6180($16)
bne	$2,$0,$L149
li	$3,131072			# 0x20000

lw	$2,8716($16)
and	$2,$2,$3
beq	$2,$0,$L151
li	$2,-1			# 0xffffffffffffffff

$L149:
lw	$2,2180($16)
jal	$2
lw	$4,8636($16)

lw	$31,8636($16)
move	$13,$16
move	$15,$0
addiu	$25,$16,6908
$L152:
lw	$2,6180($16)
addu	$18,$15,$31
beq	$2,$0,$L153
andi	$8,$22,0x20

lw	$12,8($17)
lw	$14,0($17)
sra	$4,$12,3
addu	$4,$4,$14
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
andi	$4,$12,0x7
or	$2,$2,$3
sll	$2,$2,$4
srl	$7,$2,24
addiu	$12,$12,8
andi	$2,$7,0x7f
beq	$2,$0,$L198
sw	$12,8($17)

li	$2,255			# 0xff
beq	$7,$2,$L242
li	$2,128			# 0x80

sll	$2,$7,16
sra	$2,$2,16
$L159:
$L242:
bne	$8,$0,$L232
sh	$2,0($18)

move	$2,$0
$L219:
sw	$2,6856($13)
$L243:
addiu	$15,$15,128
li	$2,768			# 0x300
beq	$15,$2,$L184
addiu	$13,$13,4

j	$L152
sll	$22,$22,1

$L146:
lw	$3,1568($16)
sll	$4,$18,2
addu	$4,$4,$3
sw	$2,5436($16)
li	$2,12296			# 0x3008
sw	$0,5440($16)
sw	$2,0($4)
lw	$3,8720($16)
lw	$2,8724($16)
sll	$3,$3,1
sll	$2,$2,1
sw	$3,5444($16)
j	$L148
sw	$2,5448($16)

$L151:
lw	$31,8636($16)
sw	$2,6876($16)
sw	$2,6856($16)
sw	$2,6860($16)
sw	$2,6864($16)
sw	$2,6868($16)
sw	$2,6872($16)
$L184:
move	$5,$31
jal	MPV_decode_mb
move	$4,$16

lw	$2,8704($16)
lw	$5,8712($16)
addiu	$6,$2,-1
subu	$5,$2,$5
jal	h261_decode_mb_skipped
move	$4,$16

lw	$3,8704($16)
slt	$3,$3,34
bne	$3,$0,$L197
nop

j	$L235
lw	$4,148($16)

$L232:
li	$19,1			# 0x1
j	$L215
lui	$24,%hi(h261_rl_tcoeff)

$L172:
addu	$12,$9,$7
sw	$12,8($17)
bltz	$8,$L199
move	$20,$12

lui	$2,%hi(h261_rl_tcoeff)
lw	$3,%lo(h261_rl_tcoeff)($2)
beq	$8,$3,$L233
sra	$2,$12,3

beq	$8,$0,$L179
nop

addu	$2,$14,$2
lw	$4,16($11)
lbu	$3,0($2)
addu	$4,$8,$4
andi	$2,$12,0x7
lb	$7,0($4)
sll	$3,$3,$2
lw	$5,12($11)
andi	$3,$3,0x00ff
subu	$2,$0,$7
addu	$5,$5,$8
addiu	$12,$12,1
srl	$3,$3,7
movn	$7,$2,$3
lb	$2,0($5)
sw	$12,8($17)
$L178:
addu	$4,$19,$2
slt	$2,$4,64
beq	$2,$0,$L200
addu	$3,$25,$4

lbu	$2,0($3)
lw	$12,8($17)
sll	$2,$2,1
addu	$2,$2,$18
addiu	$19,$4,1
sh	$7,0($2)
$L215:
sra	$4,$12,3
addu	$4,$14,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$12,0x7
sll	$2,$2,$4
addiu	$11,$24,%lo(h261_rl_tcoeff)
srl	$2,$2,23
lw	$10,48($11)
sll	$2,$2,2
addu	$2,$10,$2
lh	$7,2($2)
move	$9,$12
bgez	$7,$L172
lh	$8,0($2)

addiu	$9,$12,9
sra	$4,$9,3
addu	$4,$14,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$9,0x7
sll	$2,$2,$4
srl	$2,$2,$7
addu	$2,$2,$8
sll	$2,$2,2
addu	$2,$10,$2
lh	$7,2($2)
j	$L172
lh	$8,0($2)

$L200:
lw	$4,0($16)
lw	$7,6168($16)
lw	$2,6172($16)
lui	$6,%hi($LC5)
addiu	$6,$6,%lo($LC5)
move	$5,$0
jal	av_log
sw	$2,16($sp)

$L126:
lw	$3,6172($16)
$L236:
lw	$2,152($16)
lw	$7,6168($16)
mul	$5,$3,$2
lw	$4,0($16)
lui	$6,%hi($LC6)
addu	$7,$5,$7
addiu	$6,$6,%lo($LC6)
jal	av_log
move	$5,$0

j	$L235
lw	$4,148($16)

$L230:
lw	$2,8($17)
lw	$3,8460($16)
addiu	$2,$2,7
slt	$2,$2,$3
bne	$2,$0,$L234
lui	$6,%hi($LC2)

$L121:
lw	$5,8704($16)
move	$4,$16
jal	h261_decode_mb_skipped
li	$6,33			# 0x21

j	$L235
lw	$4,148($16)

$L179:
j	$L219
addiu	$2,$19,-1

$L199:
lw	$4,0($16)
lw	$7,6168($16)
lw	$2,6172($16)
lui	$6,%hi($LC4)