mjpegdec.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 4,717 行 · 第 1/5 页

move	$17,$7
move	$3,$18
.set	noreorder
.set	nomacro
beq	$8,$2,$L219
addiu	$16,$sp,328
.set	macro
.set	reorder

li	$2,1			# 0x1
beq	$8,$2,$L240
$L216:
addiu	$6,$3,-4
move	$2,$0
#APP
.word	0b01110000000000100000000001101111	#S32I2M XR1,$2
#NO_APP
andi	$3,$3,0x1f
.set	noreorder
.set	nomacro
beq	$3,$0,$L242
addiu	$2,$16,-31
.set	macro
.set	reorder

li	$2,-32			# 0xffffffffffffffe0
and	$2,$6,$2
addiu	$4,$2,32
sltu	$3,$6,$4
.set	noreorder
.set	nomacro
beq	$3,$0,$L242
addiu	$2,$16,-31
.set	macro
.set	reorder

$L234:
#APP
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
#NO_APP
sltu	$2,$6,$4
.set	noreorder
.set	nomacro
bne	$2,$0,$L234
addiu	$2,$16,-31
.set	macro
.set	reorder

$L242:
li	$3,-32			# 0xffffffffffffffe0
and	$3,$2,$3
sltu	$4,$6,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L223
addiu	$2,$6,4
.set	macro
.set	reorder

$L243:
#APP
pref 30,0($2)
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
#NO_APP
sltu	$2,$6,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L243
addiu	$2,$6,4
.set	macro
.set	reorder

$L223:
addiu	$3,$16,-4
sltu	$2,$6,$3
beq	$2,$0,$L225
$L236:
#APP
.word	0b01110000110000000000010001010101	#S32SDI XR1,$6,4
#NO_APP
sltu	$2,$6,$3
bne	$2,$0,$L236
$L225:
andi	$3,$16,0x3
li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$3,$2,$L230
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$3,$2,$L241
$L227:
move	$6,$5
move	$7,$9
move	$4,$18
.set	noreorder
.set	nomacro
jal	ff_mjpeg_build_huffman_codes
move	$5,$16
.set	macro
.set	reorder

lw	$2,916($sp)
.set	noreorder
.set	nomacro
beq	$2,$0,$L244
lw	$3,912($sp)
.set	macro
.set	reorder

move	$6,$17
addiu	$4,$sp,72
.set	noreorder
.set	nomacro
jal	memmove
move	$5,$18
.set	macro
.set	reorder

sll	$6,$17,1
move	$5,$16
.set	noreorder
.set	nomacro
jal	memmove
addiu	$4,$sp,360
.set	macro
.set	reorder

move	$4,$18
move	$5,$0
.set	noreorder
.set	nomacro
jal	memset
li	$6,16			# 0x10
.set	macro
.set	reorder

move	$4,$16
move	$5,$0
.set	noreorder
.set	nomacro
jal	memset
li	$6,32			# 0x20
.set	macro
.set	reorder

addiu	$17,$17,16
lw	$3,912($sp)
$L244:
li	$2,1			# 0x1
li	$8,2			# 0x2
move	$4,$19
move	$6,$17
move	$7,$18
li	$5,9			# 0x9
sw	$16,24($sp)
sw	$2,20($sp)
sw	$8,32($sp)
sw	$3,48($sp)
sw	$2,16($sp)
sw	$8,28($sp)
sw	$0,36($sp)
sw	$0,40($sp)
.set	noreorder
.set	nomacro
jal	init_vlc_sparse
sw	$0,44($sp)
.set	macro
.set	reorder

lw	$31,888($sp)
lw	$19,884($sp)
lw	$18,880($sp)
lw	$17,876($sp)
lw	$16,872($sp)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,896
.set	macro
.set	reorder

$L230:
sb	$0,6($6)
sb	$0,4($6)
.set	noreorder
.set	nomacro
j	$L227
sb	$0,5($6)
.set	macro
.set	reorder

$L219:
addiu	$3,$sp,59
sb	$0,56($sp)
sb	$0,57($sp)
.set	noreorder
.set	nomacro
j	$L216
sb	$0,58($sp)
.set	macro
.set	reorder

$L241:
.set	noreorder
.set	nomacro
j	$L227
sb	$0,4($6)
.set	macro
.set	reorder

$L240:
addiu	$3,$sp,57
.set	noreorder
.set	nomacro
j	$L216
sb	$0,56($sp)
.set	macro
.set	reorder

.end	build_vlc
.section	.rodata.str1.4
.align	2
$LC12:
.ascii	"class=%d index=%d nb_codes=%d\012\000"
.section	.text.ff_mjpeg_decode_dht,"ax",@progbits
.align	2
.align	5
.globl	ff_mjpeg_decode_dht
.ent	ff_mjpeg_decode_dht
.type	ff_mjpeg_decode_dht, @function
ff_mjpeg_decode_dht:
.frame	$sp,352,$31		# vars= 288, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-352
sw	$fp,344($sp)
sw	$21,332($sp)
sw	$31,348($sp)
sw	$23,340($sp)
sw	$22,336($sp)
sw	$20,328($sp)
sw	$19,324($sp)
sw	$18,320($sp)
sw	$17,316($sp)
sw	$16,312($sp)
addiu	$21,$4,4
lw	$24,8($21)
lw	$2,4($4)
sw	$4,352($sp)
sra	$4,$24,3
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,$24,0x7
or	$2,$2,$3
sll	$2,$2,$4
srl	$2,$2,16
addiu	$24,$24,16
addiu	$fp,$2,-2
blez	$fp,$L246
sw	$24,8($21)

slt	$2,$fp,17
bne	$2,$0,$L261
li	$2,-1			# 0xffffffffffffffff

$L264:
lw	$25,0($21)
sra	$4,$24,3
addu	$4,$4,$25
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,$24,0x7
or	$2,$2,$3
sll	$2,$2,$4
srl	$23,$2,28
move	$22,$24
slt	$2,$23,2
addiu	$24,$24,4
beq	$2,$0,$L248
sw	$24,8($21)

sra	$4,$24,3
addu	$4,$4,$25
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,$24,0x7
or	$2,$2,$3
sll	$2,$2,$4
srl	$2,$2,28
sw	$2,304($sp)
addiu	$24,$22,8
slt	$2,$2,4
beq	$2,$0,$L248
sw	$24,8($21)

sra	$3,$24,3
addu	$3,$3,$25
lbu	$2,0($3)
lbu	$4,1($3)
lbu	$5,3($3)
lbu	$20,2($3)
sll	$4,$4,16
sll	$2,$2,24
or	$2,$2,$4
or	$2,$2,$5
sll	$20,$20,8
andi	$3,$24,0x7
or	$20,$20,$2
addiu	$24,$22,16
sll	$20,$20,$3
srl	$20,$20,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$20,25($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$7,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$7,$7,8
andi	$3,$24,0x7
or	$7,$7,$2
addiu	$24,$22,24
sll	$7,$7,$3
srl	$7,$7,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$7,26($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$19,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$19,$19,8
andi	$3,$24,0x7
or	$19,$19,$2
addiu	$24,$22,32
sll	$19,$19,$3
srl	$19,$19,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$19,27($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$18,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$18,$18,8
andi	$3,$24,0x7
or	$18,$18,$2
addiu	$24,$22,40
sll	$18,$18,$3
srl	$18,$18,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$18,28($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$17,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$17,$17,8
andi	$3,$24,0x7
or	$17,$17,$2
addiu	$24,$22,48
sll	$17,$17,$3
srl	$17,$17,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$17,29($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$16,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$16,$16,8
andi	$3,$24,0x7
or	$16,$16,$2
addiu	$24,$22,56
sll	$16,$16,$3
srl	$16,$16,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$16,30($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$15,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$15,$15,8
andi	$3,$24,0x7
or	$15,$15,$2
addiu	$24,$22,64
sll	$15,$15,$3
srl	$15,$15,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$15,31($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$14,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$14,$14,8
andi	$3,$24,0x7
or	$14,$14,$2
addiu	$24,$22,72
sll	$14,$14,$3
srl	$14,$14,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$14,32($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$13,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$13,$13,8
andi	$3,$24,0x7
or	$13,$13,$2
addiu	$24,$22,80
sll	$13,$13,$3
srl	$13,$13,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$13,33($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$12,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$12,$12,8
andi	$3,$24,0x7
or	$12,$12,$2
addiu	$24,$22,88
sll	$12,$12,$3
srl	$12,$12,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$12,34($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$11,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$11,$11,8
andi	$3,$24,0x7
or	$11,$11,$2
addiu	$24,$22,96
sll	$11,$11,$3
srl	$11,$11,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$11,35($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$10,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$10,$10,8
andi	$3,$24,0x7
or	$10,$10,$2
addiu	$24,$22,104
sll	$10,$10,$3
srl	$10,$10,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$10,36($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$9,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$9,$9,8
andi	$3,$24,0x7
or	$9,$9,$2
addiu	$24,$22,112
sll	$9,$9,$3
srl	$9,$9,24
sra	$4,$24,3
sw	$24,8($21)
addu	$4,$4,$25
sb	$9,37($sp)
lbu	$2,0($4)
lbu	$3,1($4)
lbu	$5,3($4)
lbu	$8,2($4)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$5
sll	$8,$8,8
andi	$3,$24,0x7
or	$8,$8,$2
addiu	$24,$22,120
sll	$8,$8,$3
srl	$8,$8,24
sra	$3,$24,3
sw	$24,8($21)
addu	$3,$3,$25
sb	$8,38($sp)
lbu	$2,0($3)
lbu	$4,1($3)
lbu	$5,3($3)
lbu	$6,2($3)
sll	$4,$4,16
sll	$2,$2,24
addu	$7,$7,$20
or	$2,$2,$4
or	$2,$2,$5
addu	$7,$7,$19
sll	$6,$6,8
andi	$3,$24,0x7
or	$6,$6,$2
addu	$7,$7,$18
addiu	$24,$22,128
addu	$7,$7,$17
sll	$6,$6,$3
srl	$6,$6,24
sra	$4,$24,3
addu	$7,$7,$16
sw	$24,8($21)
addu	$4,$4,$25
sb	$6,39($sp)
addu	$7,$7,$15
lbu	$3,0($4)
lbu	$5,1($4)
addu	$7,$7,$14
addu	$7,$7,$13
lbu	$2,2($4)
lbu	$13,3($4)
addu	$7,$7,$12
sll	$3,$3,24
sll	$5,$5,16
addu	$7,$7,$11
or	$3,$3,$5
or	$3,$3,$13
addu	$7,$7,$10
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$24,0x7
addu	$7,$7,$9
addu	$7,$7,$8
sll	$2,$2,$4
srl	$2,$2,24
addu	$7,$7,$6
addu	$17,$2,$7
addiu	$20,$fp,-17
addiu	$24,$22,136
slt	$3,$20,$17
sw	$24,8($21)
bne	$3,$0,$L248
sb	$2,40($sp)

slt	$2,$17,257
beq	$2,$0,$L261
li	$2,-1			# 0xffffffffffffffff

blez	$17,$L266
move	$8,$0

move	$7,$0
addiu	$19,$sp,41
$L258:
sra	$4,$24,3
addu	$4,$4,$25
lbu	$2,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$3,2($4)
sll	$2,$2,24
sll	$5,$5,16
or	$2,$2,$5
or	$2,$2,$6
sll	$3,$3,8
andi	$4,$24,0x7
or	$3,$3,$2
sll	$3,$3,$4
srl	$3,$3,24
addiu	$2,$24,8
move	$24,$2
addu	$4,$19,$8
slt	$2,$7,$3
addiu	$8,$8,1
sb	$3,0($4)
movn	$7,$3,$2
bne	$8,$17,$L258
sw	$24,8($21)

addiu	$18,$7,1
$L257:
lw	$3,304($sp)
sll	$2,$23,2
addu	$2,$2,$3
lw	$3,352($sp)
sll	$2,$2,4
addiu	$16,$3,544
addu	$16,$16,$2
jal	free_vlc
move	$4,$16

lw	$2,352($sp)
lw	$3,304($sp)
lw	$4,0($2)
lui	$6,%hi($LC12)
addiu	$6,$6,%lo($LC12)
li	$5,2			# 0x2
move	$7,$23
sw	$3,16($sp)
jal	av_log
sw	$18,20($sp)

slt	$2,$0,$23
move	$4,$16
move	$6,$19
move	$7,$18
addiu	$5,$sp,24
sw	$2,20($sp)
jal	build_vlc
sw	$0,16($sp)

bltz	$2,$L248
subu	$fp,$20,$17

blez	$fp,$L261
move	$2,$0

slt	$2,$fp,17
bne	$2,$0,$L261
li	$2,-1			# 0xffffffffffffffff

j	$L264
lw	$24,8($21)

$L248:
li	$2,-1			# 0xffffffffffffffff
$L261:
lw	$31,348($sp)
lw	$fp,344($sp)
lw	$23,340($sp)
lw	$22,336($sp)
lw	$21,332($sp)
lw	$20,328($sp)
lw	$19,324($sp)
lw	$18,320($sp)
lw	$17,316($sp)
lw	$16,312($sp)
j	$31
addiu	$sp,$sp,352

$L266:
li	$18,1			# 0x1
j	$L257
addiu	$19,$sp,41

$L246:
j	$L261
move	$2,$0

.set	macro
.set	reorder
.end	ff_mjpeg_decode_dht
.section	.text.build_basic_mjpeg_vlc,"ax",@progbits
.align	2
.align	5
.ent	build_basic_mjpeg_vlc
.type	build_basic_mjpeg_vlc, @function
build_basic_mjpeg_vlc:
.frame	$sp,40,$31		# vars= 0, regs= 3/0, args= 24, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
lui	$5,%hi(ff_mjpeg_bits_dc_luminance)
lui	$6,%hi(ff_mjpeg_val_dc_luminance)
sw	$16,24($sp)
addiu	$5,$5,%lo(ff_mjpeg_bits_dc_luminance)
move	$16,$4
addiu	$6,$6,%lo(ff_mjpeg_val_dc_luminance)
addiu	$4,$4,544
li	$7,12			# 0xc
sw	$31,32($sp)
sw	$17,28($sp)
sw	$0,16($sp)
jal	build_vlc
sw	$0,20($sp)

lui	$5,%hi(ff_mjpeg_bits_dc_chrominance)
lui	$6,%hi(ff_mjpeg_val_dc_chrominance)
addiu	$4,$16,560
addiu	$5,$5,%lo(ff_mjpeg_bits_dc_chrominance)
addiu	$6,$6,%lo(ff_mjpeg_val_dc_chrominance)
li	$7,12			# 0xc
sw	$0,16($sp)
jal	build_vlc
sw	$0,20($sp)

lui	$5,%hi(ff_mjpeg_bits_ac_luminance)
lui	$6,%hi(ff_mjpeg_val_ac_luminance)
li	$17,1			# 0x1
addiu	$4,$16,608
addiu	$5,$5,%lo(ff_mjpeg_bits_ac_luminance)
addiu	$6,$6,%lo(ff_mjpeg_val_ac_luminance)
li	$7,251			# 0xfb
sw	$17,20($sp)
jal	build_vlc
sw	$0,16($sp)

lui	$5,%hi(ff_mjpeg_bits_ac_chrominance)
lui	$6,%hi(ff_mjpeg_val_ac_chrominance)
addiu	$4,$16,624
addiu	$5,$5,%lo(ff_mjpeg_bits_ac_chrominance)
addiu	$6,$6,%lo(ff_mjpeg_val_ac_chrominance)
li	$7,251			# 0xfb
sw	$17,20($sp)
jal	build_vlc
sw	$0,16($sp)

lw	$31,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	build_basic_mjpeg_vlc
.section	.rodata.str1.4
.align	2
$LC13:
.ascii	"mjpeg: using external huffman table\012\000"
.align	2
$LC14:
.ascii	"mjpeg: error using external huffman table, switching bac"
.ascii	"k to internal\012\000"
.align	2
$LC15:
.ascii	"mjpeg bottom field first\012\000"
.section	.text.ff_mjpeg_decode_init,"ax",@progbits
.align	2
.align	5
.globl	ff_mjpeg_decode_init
.ent	ff_mjpeg_decode_init
.type	ff_mjpeg_decode_init, @function
ff_mjpeg_decode_init:
.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
move	$5,$4
sw	$4,0($16)
jal	dsputil_init
addiu	$4,$16,1444

lui	$6,%hi(ff_zigzag_direct)
addiu	$6,$6,%lo(ff_zigzag_direct)
addiu	$4,$16,4344
jal	ff_init_scantable
addiu	$5,$16,1312

li	$2,-1			# 0xffffffffffffffff
li	$3,1			# 0x1
sw	$2,20($16)
sw	$3,692($16)
sw	$0,24($16)
lw	$2,672($17)
sw	$0,28($16)
sw	$2,688($16)
jal	build_basic_mjpeg_vlc
move	$4,$16

lw	$2,12($17)
andi	$2,$2,0x1000
bne	$2,$0,$L282
lui	$6,%hi($LC13)

$L270:
lw	$2,28($17)
$L285:
slt	$2,$2,10
bne	$2,$0,$L284
lw	$31,24($sp)

lw	$6,24($17)
lbu	$3,7($6)
lbu	$2,6($6)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,5($6)
lbu	$5,4($6)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,1818558464			# 0x6c650000
or	$4,$4,$3
ori	$2,$2,0x6966
beq	$4,$2,$L283
li	$2,6			# 0x6

$L277:
lw	$31,24($sp)
$L284:
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,32

$L283:
lbu	$3,9($6)
bne	$3,$2,$L277
li	$2,1			# 0x1

lui	$6,%hi($LC15)
sw	$2,4576($16)
move	$4,$17
addiu	$6,$6,%lo($LC15)
jal	av_log
li	$5,2			# 0x2

j	$L284
lw	$31,24($sp)

$L282:
move	$4,$17
li	$5,1			# 0x1
jal	av_log
addiu	$6,$6,%lo($LC13)

lw	$2,28($17)
lw	$4,24($17)
sll	$2,$2,3
sra	$5,$2,3
bltz	$5,$L272
addiu	$3,$16,4

bltz	$2,$L272
nop

addu	$5,$4,$5
$L275:
sw	$4,0($3)
sw	$2,12($3)
sw	$5,4($3)
sw	$0,8($3)
jal	ff_mjpeg_decode_dht
move	$4,$16

beq	$2,$0,$L270
lui	$6,%hi($LC14)