h261dec.s

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.file	1 "h261dec.c"
.section .mdebug.abi32
.previous
.section	.text.h261_init,"ax",@progbits
.align	2
.align	5
.globl	h261_init
.ent	h261_init
.type	h261_init, @function
h261_init:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$2,%hi(done)
j	$31
sw	$0,%lo(done)($2)

.set	macro
.set	reorder
.end	h261_init
.section	.text.decode_mv_component,"ax",@progbits
.align	2
.align	5
.ent	decode_mv_component
.type	decode_mv_component, @function
decode_mv_component:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lw	$11,8($4)
lw	$12,0($4)
move	$14,$4
sra	$4,$11,3
addu	$4,$12,$4
lbu	$3,0($4)
lbu	$6,1($4)
lbu	$7,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$6,$6,16
or	$3,$3,$6
or	$3,$3,$7
sll	$2,$2,8
or	$2,$2,$3
andi	$4,$11,0x7
sll	$2,$2,$4
lui	$3,%hi(h261_mv_vlc+4)
lw	$13,%lo(h261_mv_vlc+4)($3)
srl	$2,$2,25
sll	$2,$2,2
addu	$2,$13,$2
lh	$10,2($2)
move	$8,$5
bltz	$10,$L16
lh	$9,0($2)

$L4:
addu	$4,$11,$10
sll	$3,$9,2
bltz	$9,$L6
sw	$4,8($14)

sra	$2,$4,3
addu	$5,$12,$2
lui	$2,%hi(mvmap)
addiu	$2,$2,%lo(mvmap)
addu	$2,$3,$2
lw	$3,0($2)
andi	$7,$4,0x7
subu	$6,$0,$3
bne	$3,$0,$L17
addiu	$4,$4,1

addu	$8,$8,$3
slt	$2,$8,-15
slt	$4,$8,16
bne	$2,$0,$L18
addiu	$3,$8,-32

$L11:
movz	$8,$3,$4
$L6:
j	$31
move	$2,$8

$L18:
addiu	$8,$8,32
$L19:
j	$31
move	$2,$8

$L17:
lbu	$2,0($5)
sw	$4,8($14)
sll	$2,$2,$7
andi	$2,$2,0x00ff
srl	$2,$2,7
movz	$3,$6,$2
addu	$8,$8,$3
slt	$2,$8,-15
slt	$4,$8,16
beq	$2,$0,$L11
addiu	$3,$8,-32

j	$L19
addiu	$8,$8,32

$L16:
addiu	$11,$11,7
sra	$4,$11,3
addu	$4,$12,$4
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
sll	$3,$3,24
sll	$5,$5,16
lbu	$2,2($4)
or	$3,$3,$5
or	$3,$3,$6
sll	$2,$2,8
andi	$7,$11,0x7
or	$2,$2,$3
sll	$2,$2,$7
srl	$2,$2,$10
addu	$2,$2,$9
sll	$2,$2,2
addu	$2,$13,$2
lh	$10,2($2)
j	$L4
lh	$9,0($2)

.set	macro
.set	reorder
.end	decode_mv_component
.section	.text.h261_decode_end,"ax",@progbits
.align	2
.align	5
.ent	h261_decode_end
.type	h261_decode_end, @function
h261_decode_end:
.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
.mask	0x80000000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$31,16($sp)
jal	MPV_common_end
lw	$4,136($4)

lw	$31,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	h261_decode_end
.section	.text.h261_decode_mb_skipped,"ax",@progbits
.align	2
.align	5
.ent	h261_decode_mb_skipped
.type	h261_decode_mb_skipped, @function
h261_decode_mb_skipped:
.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
slt	$2,$5,$6
sw	$22,40($sp)
sw	$18,24($sp)
sw	$31,52($sp)
sw	$fp,48($sp)
sw	$23,44($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$19,28($sp)
sw	$17,20($sp)
sw	$16,16($sp)
move	$22,$5
move	$18,$4
beq	$2,$0,$L23
sw	$0,6180($4)

move	$19,$5
subu	$23,$6,$5
li	$21,-1			# 0xffffffffffffffff
j	$L25
li	$fp,1			# 0x1

$L26:
sll	$2,$6,2
sll	$16,$6,4
subu	$16,$16,$2
subu	$16,$16,$6
addu	$16,$16,$7
lw	$17,152($18)
sw	$20,6172($18)
jal	ff_init_block_index
sw	$16,6168($18)

mul	$2,$20,$17
lw	$3,0($18)
lw	$4,6188($18)
lw	$10,664($3)
lw	$5,6192($18)
lw	$6,6196($18)
lw	$7,6200($18)
lw	$8,6204($18)
lw	$9,6208($18)
addu	$17,$2,$16
lw	$2,1568($18)
addiu	$4,$4,2
sll	$17,$17,2
li	$3,8			# 0x8
sra	$3,$3,$10
sw	$4,6188($18)
addu	$17,$17,$2
lw	$4,6236($18)
addiu	$5,$5,2
addiu	$6,$6,2
addiu	$7,$7,2
addiu	$8,$8,1
addiu	$9,$9,1
li	$2,14344			# 0x3808
sw	$5,6192($18)
sw	$6,6196($18)
sw	$7,6200($18)
sw	$8,6204($18)
sw	$9,6208($18)
lw	$5,6240($18)
lw	$6,6244($18)
sw	$21,6856($18)
sw	$21,6860($18)
sw	$21,6864($18)
sw	$21,6868($18)
sw	$21,6872($18)
sw	$21,6876($18)
sw	$fp,5436($18)
sw	$0,5440($18)
sw	$2,0($17)
sll	$2,$3,1
addu	$4,$4,$2
lw	$7,8716($18)
li	$2,-8454144			# 0xffffffffff7f0000
ori	$2,$2,0xffff
addu	$5,$5,$3
addu	$6,$6,$3
and	$7,$7,$2
sw	$4,6236($18)
sw	$5,6240($18)
sw	$6,6244($18)
sw	$0,5444($18)
sw	$0,5448($18)
sw	$fp,2016($18)
lw	$5,8636($18)
sw	$7,8716($18)
jal	MPV_decode_mb
move	$4,$18

addu	$2,$23,$22
beq	$19,$2,$L29
lw	$31,52($sp)

$L25:
li	$2,780861440			# 0x2e8b0000
ori	$2,$2,0xa2e9
mult	$19,$2
lw	$6,8728($18)
mfhi	$5
sra	$2,$19,31
sra	$5,$5,1
subu	$5,$5,$2
addiu	$6,$6,-1
sll	$3,$5,2
sll	$2,$5,4
subu	$2,$2,$3
srl	$3,$6,31
addu	$3,$3,$6
subu	$2,$2,$5
sra	$3,$3,1
subu	$7,$19,$2
sll	$2,$3,1
addu	$2,$2,$3
addu	$20,$2,$5
li	$2,-2147483648			# 0xffffffff80000000
ori	$2,$2,0x1
and	$6,$6,$2
move	$4,$18
bgez	$6,$L26
addiu	$19,$19,1

addiu	$6,$6,-1
li	$2,-2			# 0xfffffffffffffffe
or	$6,$6,$2
j	$L26
addiu	$6,$6,1

$L23:
lw	$31,52($sp)
$L29:
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($sp)
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,56

.set	macro
.set	reorder
.end	h261_decode_mb_skipped
.section	.text.h261_decode_init,"ax",@progbits
.align	2
.align	5
.ent	h261_decode_init
.type	h261_decode_init, @function
h261_decode_init:
.frame	$sp,72,$31		# vars= 0, regs= 4/0, args= 56, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$18,64($sp)
sw	$16,56($sp)
sw	$31,68($sp)
sw	$17,60($sp)
lw	$17,136($4)
move	$16,$4
jal	MPV_decode_defaults
move	$4,$17

lw	$4,132($16)
lw	$2,668($16)
lw	$3,8($4)
sw	$2,4($17)
sw	$3,44($17)
lui	$8,%hi(done.7398)
lw	$3,8($4)
lw	$2,672($16)
lw	$4,%lo(done.7398)($8)
li	$18,1			# 0x1
sw	$2,8($17)
sw	$0,52($16)
sw	$3,44($17)
sw	$16,0($17)
sw	$18,24($17)
bne	$4,$0,$L31
sw	$18,8240($17)

lui	$4,%hi(h261_mba_vlc)
lui	$7,%hi(h261_mba_bits)
lui	$2,%hi(h261_mba_code)
addiu	$4,$4,%lo(h261_mba_vlc)
addiu	$7,$7,%lo(h261_mba_bits)
li	$5,9			# 0x9
li	$6,35			# 0x23
addiu	$2,$2,%lo(h261_mba_code)
sw	$18,%lo(done.7398)($8)
sw	$2,24($sp)
sw	$18,16($sp)
sw	$18,20($sp)
sw	$18,28($sp)
sw	$18,32($sp)
sw	$0,36($sp)
sw	$0,40($sp)
sw	$0,44($sp)
jal	init_vlc_sparse
sw	$18,48($sp)

lui	$4,%hi(h261_mtype_vlc)
lui	$7,%hi(h261_mtype_bits)
lui	$2,%hi(h261_mtype_code)
addiu	$4,$4,%lo(h261_mtype_vlc)
addiu	$7,$7,%lo(h261_mtype_bits)
li	$5,6			# 0x6
li	$6,10			# 0xa
addiu	$2,$2,%lo(h261_mtype_code)
sw	$2,24($sp)
sw	$18,16($sp)
sw	$18,20($sp)
sw	$18,28($sp)
sw	$18,32($sp)
sw	$0,36($sp)
sw	$0,40($sp)
sw	$0,44($sp)
jal	init_vlc_sparse
sw	$18,48($sp)

lui	$3,%hi(h261_mv_tab)
addiu	$3,$3,%lo(h261_mv_tab)
lui	$4,%hi(h261_mv_vlc)
li	$16,2			# 0x2
addiu	$7,$3,1
addiu	$4,$4,%lo(h261_mv_vlc)
li	$5,7			# 0x7
li	$6,17			# 0x11
sw	$16,16($sp)
sw	$3,24($sp)
sw	$16,28($sp)
sw	$18,20($sp)
sw	$18,32($sp)
sw	$0,36($sp)
sw	$0,40($sp)
sw	$0,44($sp)
jal	init_vlc_sparse
sw	$18,48($sp)

lui	$3,%hi(h261_cbp_tab)
addiu	$3,$3,%lo(h261_cbp_tab)
lui	$4,%hi(h261_cbp_vlc)
addiu	$4,$4,%lo(h261_cbp_vlc)
addiu	$7,$3,1
li	$5,9			# 0x9
li	$6,63			# 0x3f
sw	$16,28($sp)
sw	$16,16($sp)
sw	$3,24($sp)
lui	$16,%hi(h261_rl_tcoeff)
sw	$18,48($sp)
sw	$18,20($sp)
sw	$18,32($sp)
sw	$0,36($sp)
sw	$0,40($sp)
jal	init_vlc_sparse
sw	$0,44($sp)

lui	$5,%hi(ff_h261_rl_table_store)
addiu	$5,$5,%lo(ff_h261_rl_table_store)
jal	init_rl
addiu	$4,$16,%lo(h261_rl_tcoeff)

addiu	$4,$16,%lo(h261_rl_tcoeff)
jal	init_vlc_rl
li	$5,1			# 0x1

$L31:
sw	$0,8732($17)
lw	$31,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,72

.set	macro
.set	reorder
.end	h261_decode_init
.section	.text.h261_decode_gob_header,"ax",@progbits
.align	2
.align	5
.ent	h261_decode_gob_header
.type	h261_decode_gob_header, @function
h261_decode_gob_header:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lw	$2,8732($4)
beq	$2,$0,$L52
move	$9,$4

lw	$10,8448($4)
addiu	$8,$4,8448
$L35:
sw	$0,8732($9)
lw	$6,8($8)
sra	$4,$6,3
addu	$4,$4,$10
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$7,3($4)
lbu	$2,2($4)
sll	$5,$5,16
sll	$3,$3,24
or	$3,$3,$5
or	$3,$3,$7
sll	$2,$2,8
andi	$4,$6,0x7
or	$2,$2,$3
sll	$2,$2,$4
srl	$2,$2,28
addiu	$6,$6,4
sw	$6,8($8)
sw	$2,8728($9)
lw	$6,8($8)
sra	$4,$6,3
addu	$4,$4,$10
lbu	$3,0($4)
lbu	$5,1($4)
lbu	$7,3($4)
lbu	$2,2($4)
sll	$3,$3,24
sll	$5,$5,16
or	$3,$3,$5
addiu	$4,$6,5
or	$3,$3,$7
sll	$2,$2,8
sw	$4,8($8)
or	$2,$2,$3
andi	$6,$6,0x7
sll	$2,$2,$6
lw	$4,148($9)
srl	$2,$2,27
li	$3,18			# 0x12
beq	$4,$3,$L53
sw	$2,2056($9)

lw	$3,8728($9)
li	$2,1			# 0x1
beq	$3,$2,$L41
li	$2,3			# 0x3

bne	$3,$2,$L54
li	$2,5			# 0x5

$L41:
lw	$5,8($8)
lw	$6,0($8)
sra	$2,$5,3
addu	$2,$2,$6
lbu	$3,0($2)
andi	$4,$5,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addiu	$5,$5,1
srl	$3,$3,7
beq	$3,$0,$L44
sw	$5,8($8)

$L50:
addiu	$4,$5,8
sra	$3,$4,3
sw	$4,8($8)
addu	$3,$6,$3
lbu	$2,0($3)
andi	$4,$4,0x7
sll	$2,$2,$4
andi	$2,$2,0x00ff
addiu	$5,$5,9
srl	$2,$2,7
bne	$2,$0,$L50
sw	$5,8($8)

$L44:
lw	$2,2056($9)
beq	$2,$0,$L37
nop

move	$2,$0
sw	$0,8712($9)
j	$31
sw	$0,8704($9)

$L54:
beq	$3,$2,$L41
nop

$L37:
j	$31
li	$2,-1			# 0xffffffffffffffff

$L52:
addiu	$8,$4,8448
lw	$7,8($8)
lw	$10,8448($4)
sra	$4,$7,3
addu	$4,$4,$10
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,$2,17
bne	$2,$0,$L37
nop

addiu	$2,$7,16
j	$L35
sw	$2,8($8)

$L53:
lw	$2,8728($9)
addiu	$2,$2,-1
sltu	$2,$2,12
bne	$2,$0,$L41
nop

j	$L37
nop

.set	macro
.set	reorder
.end	h261_decode_gob_header
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Bad picture start code\012\000"
.align	2
$LC1:
.ascii	"header damaged\012\000"
.align	2
$LC2:
.ascii	"illegal mba at %d %d\012\000"
.align	2
$LC3:
.ascii	"illegal dc %d at %d %d\012\000"
.align	2
$LC4:
.ascii	"illegal ac vlc code at %dx%d\012\000"
.align	2
$LC5:
.ascii	"run overflow at %dx%d\012\000"
.align	2
$LC6:
.ascii	"Error at MB: %d\012\000"
.section	.text.h261_decode_frame,"ax",@progbits
.align	2
.align	5
.ent	h261_decode_frame
.type	h261_decode_frame, @function
h261_decode_frame:
.frame	$sp,112,$31		# vars= 48, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

$L56:
addiu	$sp,$sp,-112
sw	$fp,104($sp)
sw	$23,100($sp)
sw	$22,96($sp)
sw	$21,92($sp)
sw	$20,88($sp)
sw	$19,84($sp)
sw	$18,80($sp)
sw	$17,76($sp)
sw	$31,108($sp)
sw	$16,72($sp)
lw	$16,136($4)
lw	$2,12($4)
lw	$21,128($sp)
sw	$2,56($16)
lw	$3,604($4)
sll	$18,$21,3
sra	$20,$18,3
move	$19,$4
sw	$3,60($16)
move	$23,$5
move	$fp,$6
move	$22,$7
sw	$0,8732($16)
bltz	$20,$L57
addiu	$17,$16,8448

$L225:
bltz	$18,$L237
move	$3,$0

move	$3,$22
addu	$4,$22,$20
move	$2,$18
$L60:
sw	$2,12($17)
sw	$0,8($17)
lw	$2,112($16)
sw	$3,0($17)
beq	$2,$0,$L223
sw	$4,4($17)

$L61:
lw	$2,1880($16)
beq	$2,$0,$L64
nop

lw	$2,0($2)
beq	$2,$0,$L66
nop

$L64:
move	$4,$16
jal	ff_find_unused_picture
move	$5,$0

sll	$3,$2,5
sll	$2,$2,3
subu	$3,$3,$2
sll	$4,$3,4
lw	$2,184($16)
addu	$3,$3,$4
addu	$2,$2,$3
sw	$2,1880($16)
$L66:
lw	$3,8460($16)
lw	$12,8($17)
subu	$7,$3,$12
slt	$2,$7,25
bne	$2,$0,$L67
li	$2,983040			# 0xf0000

lw	$14,0($17)
ori	$13,$2,0xffff
move	$8,$0
li	$10,16			# 0x10
j	$L69
li	$11,24			# 0x18

$L224:
beq	$7,$11,$L67
nop

$L69:
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
or	$2,$2,$3
andi	$4,$12,0x7
sll	$2,$2,$4
sll	$3,$8,1
srl	$2,$2,31
or	$3,$3,$2
move	$9,$12
and	$8,$3,$13
addiu	$12,$12,1
addiu	$7,$7,-1
bne	$8,$10,$L224
sw	$12,8($17)

sra	$4,$12,3
addu	$4,$4,$14
lbu	$2,0($4)
lbu	$5,1($4)
lbu	$6,3($4)
lbu	$3,2($4)
sll	$5,$5,16
sll	$2,$2,24
or	$2,$2,$5
addiu	$4,$9,6
or	$2,$2,$6
sw	$4,8($17)
sll	$3,$3,8
or	$3,$3,$2
andi	$4,$12,0x7
lw	$6,124($16)
sll	$3,$3,$4
srl	$3,$3,27
andi	$2,$6,0x1f
slt	$2,$3,$2
beq	$2,$0,$L74
move	$5,$3

addiu	$5,$3,32
$L74:
li	$2,-32			# 0xffffffffffffffe0
and	$2,$6,$2
lw	$4,0($16)
addu	$2,$5,$2
sw	$2,124($16)
li	$3,1001			# 0x3e9
li	$2,30000			# 0x7530
sw	$2,36($4)
sw	$3,32($4)
lw	$5,8($17)
lw	$3,124($16)
addiu	$12,$5,3
sra	$2,$3,31
sra	$4,$12,3
sw	$12,8($17)
sw	$3,1520($16)
sw	$2,1524($16)
addu	$4,$14,$4
lbu	$2,0($4)
andi	$3,$12,0x7
sll	$2,$2,$3
andi	$2,$2,0x00ff
addiu	$12,$5,4
srl	$2,$2,7
bne	$2,$0,$L75
sw	$12,8($17)

li	$2,176			# 0xb0
li	$3,144			# 0x90
sw	$2,4($16)
sw	$3,8($16)
li	$2,11			# 0xb
li	$3,9			# 0x9
sw	$2,144($16)
sw	$3,148($16)
$L77:
mul	$2,$2,$3
sw	$2,172($16)
lw	$5,8($17)
addiu	$12,$5,2
sra	$3,$12,3
sw	$12,8($17)
addu	$3,$14,$3
lbu	$2,0($3)
andi	$4,$12,0x7
sll	$2,$2,$4
andi	$2,$2,0x00ff
addiu	$12,$5,3
srl	$2,$2,7
sw	$12,8($17)
beq	$2,$0,$L78
move	$6,$12

$L205:
addiu	$12,$12,8
sra	$2,$12,3
sw	$12,8($17)
addu	$2,$14,$2
lbu	$3,0($2)
andi	$4,$12,0x7
sll	$3,$3,$4
andi	$3,$3,0x00ff
addiu	$12,$6,9
srl	$3,$3,7
sw	$12,8($17)
bne	$3,$0,$L205
move	$6,$12

$L78: