demux_avi.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 5,520 行 · 第 1/5 页

jal	demux_avi_select_stream
move	$4,$21

beq	$fp,$2,$L762
nop

$L760:
lw	$3,40($sp)
$L853:
li	$2,1			# 0x1
beq	$3,$2,$L855
lw	$31,84($sp)

$L751:
lw	$3,16($21)
lw	$6,56($21)
lw	$2,44($3)
lw	$4,36($3)
lw	$5,40($3)
addu	$2,$2,$4
subu	$2,$2,$5
bne	$6,$fp,$L752
sw	$2,4($21)

lw	$18,16($19)
addiu	$2,$18,1
sw	$2,16($19)
lw	$2,4($19)
bgtz	$2,$L856
slt	$2,$18,$2

$L757:
move	$2,$0
lw	$31,84($sp)
$L855:
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	$31
addiu	$sp,$sp,88

$L762:
lw	$4,20($19)
lw	$3,8($20)
lw	$6,8($21)
addu	$8,$4,$3
slt	$2,$8,$6
bne	$2,$0,$L832
nop

lw	$3,12($21)
slt	$2,$8,$3
beq	$2,$0,$L857
slt	$2,$6,$3

$L766:
lw	$16,16($21)
lw	$3,44($16)
slt	$2,$8,$3
beq	$2,$0,$L858
move	$4,$16

lw	$2,40($16)
subu	$2,$3,$2
subu	$2,$8,$2
bltz	$2,$L858
move	$3,$2

lw	$4,40($16)
sw	$2,36($16)
sltu	$2,$3,$4
beq	$2,$0,$L772
nop

$L840:
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$23,$3
$L774:
sltu	$2,$5,$4
beq	$2,$0,$L777
nop

$L842:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$22,$3,8
sw	$5,36($16)
$L779:
sltu	$2,$5,$4
beq	$2,$0,$L782
nop

$L844:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L784:
sltu	$2,$5,$4
beq	$2,$0,$L787
nop

$L846:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$2,$3,24
sw	$5,36($16)
$L789:
lw	$16,16($21)
or	$2,$23,$2
or	$3,$22,$17
lw	$4,56($16)
or	$3,$3,$2
bne	$4,$0,$L757
sw	$3,32($sp)

lw	$2,0($20)
beq	$3,$2,$L793
lui	$6,%hi($LC27)

li	$4,7			# 0x7
addiu	$6,$6,%lo($LC27)
li	$5,6			# 0x6
addiu	$7,$sp,32
jal	mp_msg
sw	$20,16($sp)

jal	valid_fourcc
lw	$4,0($20)

beq	$2,$0,$L795
nop

lw	$2,0($20)
lw	$16,16($21)
sw	$2,32($sp)
$L793:
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L797
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$23,$3
$L799:
sltu	$2,$5,$4
beq	$2,$0,$L802
nop

$L848:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$22,$3,8
sw	$5,36($16)
$L804:
sltu	$2,$5,$4
beq	$2,$0,$L807
nop

$L850:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L809:
sltu	$2,$5,$4
beq	$2,$0,$L812
nop

$L852:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$2,$3,24
sw	$5,36($16)
$L814:
or	$3,$17,$22
$L859:
or	$2,$23,$2
lw	$8,12($20)
or	$17,$3,$2
beq	$17,$8,$L817
addiu	$2,$17,1

beq	$8,$2,$L817
lui	$6,%hi($LC28)

li	$4,7			# 0x7
addiu	$6,$6,%lo($LC28)
li	$5,6			# 0x6
move	$7,$17
jal	mp_msg
sw	$8,16($sp)

li	$4,2097152			# 0x200000
ori	$2,$4,0x1
sltu	$2,$17,$2
bne	$2,$0,$L833
nop

lw	$3,12($20)
sltu	$2,$4,$3
bne	$2,$0,$L760
nop

beq	$3,$0,$L838
li	$2,524288			# 0x80000

$L822:
bne	$17,$0,$L826
sltu	$2,$3,$17

li	$2,1048576			# 0x100000
sltu	$2,$2,$3
beq	$2,$0,$L839
nop

$L817:
lw	$16,4($20)
lw	$5,32($sp)
jal	demux_avi_select_stream
move	$4,$21

srl	$16,$16,4
lw	$6,32($sp)
andi	$16,$16,0x1
move	$5,$2
move	$7,$17
move	$4,$21
sw	$18,16($sp)
jal	demux_avi_read_packet
sw	$16,20($sp)

j	$L760
sw	$2,40($sp)

$L832:
lw	$3,12($21)
slt	$2,$6,$3
$L857:
beq	$2,$0,$L766
sra	$7,$8,31

lw	$2,4($21)
lui	$6,%hi($LC26)
sra	$3,$2,31
addiu	$6,$6,%lo($LC26)
li	$4,7			# 0x7
li	$5,6			# 0x6
sw	$3,20($sp)
sw	$7,28($sp)
sw	$2,16($sp)
jal	mp_msg
sw	$8,24($sp)

j	$L853
lw	$3,40($sp)

$L836:
lw	$18,12($19)
addiu	$2,$18,1
j	$L754
sw	$2,12($19)

$L858:
jal	stream_seek_long
move	$5,$8

lw	$16,16($21)
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
bne	$2,$0,$L840
nop

$L772:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L841
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$4,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$4
sw	$5,36($16)
bne	$2,$0,$L842
move	$23,$3

$L777:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L843
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$4,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$4
sw	$5,36($16)
bne	$2,$0,$L844
sll	$22,$3,8

$L782:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L845
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$4,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$4
sw	$5,36($16)
bne	$2,$0,$L846
sll	$17,$3,16

$L787:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L789
nop

lw	$3,36($16)
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$2,$3
lbu	$4,0($2)
sw	$5,36($16)
j	$L789
sll	$2,$4,24

$L797:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L847
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$4,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$4
sw	$5,36($16)
bne	$2,$0,$L848
move	$23,$3

$L802:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L849
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$4,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$4
sw	$5,36($16)
bne	$2,$0,$L850
sll	$22,$3,8

$L807:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L851
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$4,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$4
sw	$5,36($16)
bne	$2,$0,$L852
sll	$17,$3,16

$L812:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L859
or	$3,$17,$22

lw	$3,36($16)
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$2,$3
lbu	$4,0($2)
sw	$5,36($16)
j	$L814
sll	$2,$4,24

$L833:
lw	$3,12($20)
bne	$3,$0,$L822
li	$2,524288			# 0x80000

j	$L860
ori	$2,$2,0x1

$L841:
lw	$5,36($16)
lw	$4,40($16)
j	$L774
li	$23,-256			# 0xffffffffffffff00

$L843:
lw	$5,36($16)
lw	$4,40($16)
j	$L779
li	$22,-65536			# 0xffffffffffff0000

$L845:
lw	$5,36($16)
lw	$4,40($16)
j	$L784
li	$17,-16777216			# 0xffffffffff000000

$L795:
jal	valid_fourcc
lw	$4,32($sp)

beq	$2,$0,$L853
lw	$3,40($sp)

j	$L793
lw	$16,16($21)

$L838:
ori	$2,$2,0x1
$L860:
sltu	$2,$17,$2
bne	$2,$0,$L817
nop

j	$L817
move	$17,$0

$L849:
lw	$5,36($16)
lw	$4,40($16)
j	$L804
li	$22,-65536			# 0xffffffffffff0000

$L851:
lw	$5,36($16)
lw	$4,40($16)
j	$L809
li	$17,-16777216			# 0xffffffffff000000

$L847:
lw	$5,36($16)
lw	$4,40($16)
j	$L799
li	$23,-256			# 0xffffffffffffff00

$L826:
j	$L817
movn	$17,$3,$2

$L839:
j	$L817
move	$17,$3

.set	macro
.set	reorder
.end	demux_avi_fill_buffer_ni
.section	.rodata.str1.4
.align	2
$LC29:
.ascii	"ChunkOffset out of range!   idx=0x%llX  \012\000"
.align	2
$LC30:
.ascii	"\012Badly interleaved AVI file detected - switching to -"
.ascii	"ni mode...\012\000"
.section	.text.demux_avi_fill_buffer,"ax",@progbits
.align	2
.align	5
.ent	demux_avi_fill_buffer
.type	demux_avi_fill_buffer, @function
demux_avi_fill_buffer:
.frame	$sp,72,$31		# vars= 8, regs= 9/0, args= 24, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$23,60($sp)
sw	$20,48($sp)
sw	$31,64($sp)
sw	$22,56($sp)
sw	$21,52($sp)
sw	$19,44($sp)
sw	$18,40($sp)
sw	$17,36($sp)
sw	$16,32($sp)
lw	$21,2248($4)
move	$20,$4
move	$23,$0
j	$L862
sw	$0,24($sp)

$L1026:
lw	$3,0($21)
addiu	$7,$6,1
addu	$17,$2,$3
sw	$7,8($21)
lw	$2,4($17)
andi	$2,$2,0x1
beq	$2,$0,$L1024
nop

$L866:
li	$2,1			# 0x1
$L1039:
beq	$23,$2,$L943
li	$3,1			# 0x1

$L862:
lw	$2,4($21)
blez	$2,$L863
nop

lw	$6,8($21)
slt	$2,$6,$2
bne	$2,$0,$L1026
sll	$2,$6,4

$L863:
lw	$16,16($20)
lw	$5,12($20)
lw	$3,36($16)
lw	$2,44($16)
lw	$4,40($16)
addu	$2,$2,$3
subu	$2,$2,$4
slt	$3,$2,$5
bne	$3,$0,$L939
sw	$2,4($20)

lw	$2,8($20)
slt	$2,$2,$5
beq	$2,$0,$L939
nop

lw	$2,28($16)
andi	$2,$2,0x6
bne	$2,$0,$L1021
li	$2,1			# 0x1

$L939:
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L944
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$19,$3
$L946:
sltu	$2,$5,$4
beq	$2,$0,$L949
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$18,$3,8
sw	$5,36($16)
$L951:
sltu	$2,$5,$4
beq	$2,$0,$L954
nop

$L1027:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L956:
sltu	$2,$5,$4
beq	$2,$0,$L959
nop

$L1028:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$2,$3,24
sw	$5,36($16)
$L961:
lw	$16,16($20)
or	$2,$19,$2
lw	$6,36($16)
lw	$7,40($16)
or	$3,$18,$17
or	$5,$3,$2
sltu	$4,$6,$7
beq	$4,$0,$L964
sw	$5,24($sp)

$L1029:
lw	$2,80($16)
addiu	$5,$6,1
addu	$2,$6,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$19,$3
$L966:
sltu	$2,$5,$7
beq	$2,$0,$L969
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$18,$3,8
sw	$5,36($16)
$L971:
sltu	$2,$5,$7
beq	$2,$0,$L974
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L976:
sltu	$2,$5,$7
beq	$2,$0,$L979
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$4,$3,24
sw	$5,36($16)
$L981:
lw	$16,16($20)
lw	$2,56($16)
bne	$2,$0,$L898
li	$2,1414725632			# 0x54530000

lw	$5,24($sp)
ori	$2,$2,0x494c
beq	$5,$2,$L985
li	$2,1178992640			# 0x46460000

ori	$2,$2,0x4952
beq	$5,$2,$L985
or	$3,$18,$17

or	$2,$19,$4
or	$16,$3,$2
li	$17,1			# 0x1
$L938:
jal	demux_avi_select_stream
move	$4,$20

beq	$2,$0,$L1008
move	$5,$2

lw	$2,48($2)
slt	$2,$2,4095
beq	$2,$0,$L1010
li	$3,4194304			# 0x400000

lw	$2,52($5)
addu	$2,$16,$2
sltu	$2,$2,$3
beq	$2,$0,$L1040
lui	$6,%hi($LC30)

$L1008:
lw	$2,8($21)
lw	$6,24($sp)
addiu	$2,$2,-1
move	$7,$16
move	$4,$20
sw	$2,16($sp)
jal	demux_avi_read_packet
sw	$17,20($sp)

move	$23,$2
li	$2,1			# 0x1
bne	$23,$2,$L862
li	$3,1			# 0x1

$L943:
lw	$31,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,72

$L985:
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L988
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$19,$3
$L990:
sltu	$2,$5,$4
beq	$2,$0,$L993
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$18,$3,8
sw	$5,36($16)
$L995:
sltu	$2,$5,$4
beq	$2,$0,$L998
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L1000:
sltu	$2,$5,$4
beq	$2,$0,$L1003
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$2,$3,24
sw	$5,36($16)
$L1005:
or	$3,$19,$2
$L1042:
or	$2,$18,$17
or	$5,$2,$3
j	$L866
sw	$5,24($sp)

$L979:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L982
nop

j	$L981
move	$4,$0

$L974:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L977
nop

lw	$5,36($16)
lw	$7,40($16)
j	$L976
li	$17,-16777216			# 0xffffffffff000000

$L969:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L972
nop

lw	$5,36($16)
lw	$7,40($16)
j	$L971
li	$18,-65536			# 0xffffffffffff0000

$L949:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L952
nop

lw	$5,36($16)
lw	$4,40($16)
sltu	$2,$5,$4
bne	$2,$0,$L1027
li	$18,-65536			# 0xffffffffffff0000

$L954:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L957
nop

lw	$5,36($16)
lw	$4,40($16)
sltu	$2,$5,$4
bne	$2,$0,$L1028
li	$17,-16777216			# 0xffffffffff000000

$L959:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L961
nop

lw	$3,36($16)
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$2,$3
lbu	$4,0($2)
sw	$5,36($16)
lw	$16,16($20)
sll	$2,$4,24
lw	$6,36($16)
lw	$7,40($16)
or	$2,$19,$2
or	$3,$18,$17
or	$5,$3,$2
sltu	$4,$6,$7
bne	$4,$0,$L1029
sw	$5,24($sp)

$L964:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L967
nop

lw	$5,36($16)
lw	$7,40($16)
j	$L966
li	$19,-256			# 0xffffffffffffff00

$L944:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L947
nop

lw	$5,36($16)
lw	$4,40($16)
j	$L946
li	$19,-256			# 0xffffffffffffff00

$L1024:
lw	$5,0($17)
jal	demux_avi_select_stream
move	$4,$20

beq	$2,$0,$L1039
li	$2,1			# 0x1

lw	$4,20($21)
lw	$3,8($17)
lw	$6,8($20)
addu	$7,$4,$3
slt	$2,$7,$6
beq	$2,$0,$L1030
nop

lw	$3,12($20)
slt	$2,$6,$3
$L1043:
beq	$2,$0,$L1019
nop

lw	$16,16($20)
lw	$2,28($16)
andi	$2,$2,0x6
bne	$2,$0,$L1031
sra	$2,$7,31

lw	$3,44($16)
slt	$2,$7,$3
beq	$2,$0,$L1041
move	$4,$16

$L1037:
lw	$2,40($16)
subu	$2,$3,$2
subu	$2,$7,$2
bltz	$2,$L874
move	$3,$2

sw	$2,36($16)
lw	$2,44($16)
lw	$4,40($16)
addu	$2,$2,$3
subu	$2,$2,$4
sw	$2,4($20)
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L878
nop

$L1038:
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$22,$3
$L880:
sltu	$2,$5,$4
beq	$2,$0,$L883
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$19,$3,8
sw	$5,36($16)
$L885:
sltu	$2,$5,$4
beq	$2,$0,$L888
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$18,$3,16
sw	$5,36($16)
$L890:
sltu	$2,$5,$4
beq	$2,$0,$L893
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$2,$3,24
sw	$5,36($16)
$L895:
lw	$16,16($20)
or	$2,$22,$2
or	$3,$18,$19
lw	$4,56($16)
or	$5,$3,$2
bne	$4,$0,$L898
sw	$5,24($sp)

lw	$2,0($17)
beq	$5,$2,$L900
lui	$6,%hi($LC27)

li	$4,7			# 0x7
addiu	$6,$6,%lo($LC27)
li	$5,6			# 0x6
addiu	$7,$sp,24
jal	mp_msg
sw	$17,16($sp)

jal	valid_fourcc
lw	$4,0($17)

beq	$2,$0,$L902
nop

lw	$5,0($17)
lw	$16,16($20)
sw	$5,24($sp)
$L900:
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L904
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$22,$3
$L906:
sltu	$2,$5,$4
beq	$2,$0,$L909
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$19,$3,8
sw	$5,36($16)
$L911:
sltu	$2,$5,$4
beq	$2,$0,$L914
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$18,$3,16
sw	$5,36($16)
$L916:
sltu	$2,$5,$4
beq	$2,$0,$L919
nop

lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$2,$3,24
sw	$5,36($16)
$L921:
or	$3,$18,$19
$L1044:
or	$2,$2,$22
lw	$8,12($17)
or	$16,$3,$2
beq	$16,$8,$L924
addiu	$2,$16,1

beq	$8,$2,$L924
lui	$6,%hi($LC28)

li	$4,7			# 0x7
addiu	$6,$6,%lo($LC28)
li	$