demux_mov.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 4,994 行 · 第 1/5 页

addiu	$2,$2,12

$L165:
lw	$3,80($21)
bne	$3,$0,$L161
sw	$0,28($21)

$L163:
lw	$3,104($21)
li	$4,1			# 0x1
beq	$3,$4,$L213
li	$2,2			# 0x2

beq	$3,$2,$L227
lui	$6,%hi($LC5)

$L235:
lw	$31,124($sp)
lw	$fp,120($sp)
lw	$23,116($sp)
lw	$22,112($sp)
lw	$21,108($sp)
lw	$20,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
addiu	$6,$6,%lo($LC5)
li	$4,7			# 0x7
li	$5,1			# 0x1
j	mp_msg
addiu	$sp,$sp,128

$L161:
slt	$2,$3,$17
$L233:
bne	$2,$0,$L228
lui	$6,%hi($LC6)

$L173:
lw	$12,104($21)
blez	$12,$L178
nop

lw	$8,108($21)
move	$9,$0
move	$11,$0
move	$10,$0
$L180:
lw	$7,0($8)
beq	$7,$0,$L183
sll	$3,$9,2

sll	$2,$9,4
lw	$20,84($21)
subu	$2,$2,$3
lw	$6,4($8)
addu	$2,$2,$20
move	$4,$11
move	$5,$0
$L181:
addiu	$5,$5,1
sw	$4,0($2)
addu	$4,$4,$6
bne	$5,$7,$L181
addiu	$2,$2,12

addiu	$2,$5,-1
mul	$4,$6,$2
addu	$3,$6,$11
addu	$11,$4,$3
addu	$9,$9,$5
$L183:
addiu	$10,$10,1
bne	$10,$12,$L180
addiu	$8,$8,8

$L178:
lw	$4,88($21)
blez	$4,$L185
move	$fp,$0

lw	$5,92($21)
move	$19,$0
$L187:
sll	$22,$fp,4
addu	$2,$22,$5
lw	$3,4($2)
beq	$3,$0,$L188
lw	$17,12($2)

sll	$3,$19,2
sll	$2,$19,4
lw	$20,84($21)
subu	$16,$2,$3
move	$18,$0
lui	$23,%hi($LC7)
$L190:
addu	$2,$16,$20
lw	$3,0($2)
sw	$17,8($2)
sw	$17,20($sp)
sw	$3,16($sp)
lw	$3,4($2)
move	$7,$19
li	$4,7			# 0x7
li	$5,8			# 0x8
addiu	$6,$23,%lo($LC7)
jal	mp_msg
sw	$3,24($sp)

lw	$5,92($21)
lw	$20,84($21)
addu	$2,$5,$22
lw	$4,4($2)
addu	$3,$20,$16
lw	$2,4($3)
addiu	$18,$18,1
sltu	$4,$18,$4
addu	$17,$17,$2
addiu	$19,$19,1
bne	$4,$0,$L190
addiu	$16,$16,12

lw	$4,88($21)
$L188:
addiu	$fp,$fp,1
slt	$2,$fp,$4
bne	$2,$0,$L187
nop

$L185:
lw	$2,120($21)
blez	$2,$L234
lw	$31,124($sp)

jal	__floatsisf
lw	$4,76($sp)

lui	$3,%hi($LC8)
lw	$4,%lo($LC8)($3)
jal	__divsf3
move	$5,$2

sw	$2,52($sp)
sw	$0,64($sp)
sw	$0,60($sp)
sw	$0,56($sp)
sw	$0,48($sp)
$L192:
lw	$2,124($21)
lw	$5,48($sp)
lw	$9,60($sp)
addu	$fp,$5,$2
lw	$23,4($fp)
bltz	$23,$L193
sw	$9,20($fp)

lw	$22,80($21)
blez	$22,$L229
move	$8,$0

lw	$20,84($21)
lw	$2,0($20)
sltu	$2,$2,$23
beq	$2,$0,$L236
li	$3,12			# 0xc

j	$L237
addiu	$8,$8,1

$L202:
lw	$2,0($2)
sltu	$2,$2,$23
beq	$2,$0,$L197
nop

addiu	$8,$8,1
$L237:
move	$6,$3
addu	$2,$3,$20
bne	$8,$22,$L202
addiu	$3,$3,12

sll	$3,$8,2
sll	$2,$8,4
subu	$6,$2,$3
$L197:
sw	$8,16($fp)
lw	$4,20($21)
lw	$2,56($sp)
sra	$17,$4,31
mul	$7,$17,$2
move	$16,$4
multu	$2,$16
sra	$3,$2,31
mflo	$4
mfhi	$5
mtlo	$7
madd	$3,$16
lw	$18,76($sp)
addu	$6,$20,$6
lw	$6,0($6)
mflo	$2
sra	$19,$18,31
sw	$6,72($sp)
addu	$5,$2,$5
move	$6,$18
move	$7,$19
jal	__divdi3
sw	$8,80($sp)

lw	$3,72($sp)
lw	$8,80($sp)
lw	$4,0($fp)
subu	$2,$2,$3
slt	$3,$8,$22
sw	$2,24($fp)
beq	$3,$0,$L204
sw	$4,68($sp)

move	$3,$0
mul	$10,$3,$16
multu	$16,$4
move	$2,$4
mfhi	$5
mflo	$4
mul	$9,$17,$2
move	$6,$18
addu	$2,$9,$10
addu	$5,$2,$5
jal	__divdi3
move	$7,$19

lw	$3,72($sp)
addu	$5,$23,$2
sltu	$2,$5,$3
bne	$2,$0,$L204
lw	$8,80($sp)

sll	$3,$8,2
sll	$2,$8,4
subu	$2,$2,$3
addu	$2,$2,$20
addiu	$6,$2,12
move	$3,$8
j	$L207
move	$4,$22

$L208:
lw	$2,0($6)
sltu	$2,$5,$2
bne	$2,$0,$L209
addiu	$6,$6,12

$L207:
addiu	$3,$3,1
bne	$3,$4,$L208
nop

$L209:
move	$8,$3
$L204:
lw	$2,16($fp)
lw	$4,56($sp)
subu	$2,$8,$2
sw	$2,12($fp)
sw	$23,16($sp)
lw	$3,16($fp)
lw	$5,68($sp)
lw	$9,60($sp)
addu	$4,$4,$5
sw	$2,24($sp)
sw	$3,20($sp)
sw	$4,56($sp)
lw	$4,0($fp)
addu	$9,$9,$2
bltz	$4,$L211
sw	$9,60($sp)

jal	__floatsisf
nop

lw	$5,52($sp)
$L232:
jal	__mulsf3
move	$4,$2

jal	__extendsfdf2
move	$4,$2

sw	$2,32($sp)
sw	$3,36($sp)
lw	$2,24($fp)
lui	$6,%hi($LC9)
lw	$7,64($sp)
addiu	$6,$6,%lo($LC9)
li	$4,7			# 0x7
li	$5,6			# 0x6
jal	mp_msg
sw	$2,40($sp)

$L201:
lw	$3,64($sp)
lw	$4,48($sp)
lw	$2,120($21)
addiu	$3,$3,1
addiu	$4,$4,28
slt	$2,$3,$2
sw	$3,64($sp)
bne	$2,$0,$L192
sw	$4,48($sp)

lw	$31,124($sp)
$L234:
lw	$fp,120($sp)
lw	$23,116($sp)
lw	$22,112($sp)
lw	$21,108($sp)
lw	$20,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
j	$31
addiu	$sp,$sp,128

$L193:
j	$L201
sw	$0,12($fp)

$L211:
srl	$2,$4,1
andi	$4,$4,0x1
jal	__floatsisf
or	$4,$4,$2

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L232
lw	$5,52($sp)

$L229:
lw	$20,84($21)
j	$L197
move	$6,$0

$L143:
andi	$2,$18,0x1
srl	$4,$18,1
jal	__floatsisf
or	$4,$2,$4

move	$4,$2
jal	__addsf3
move	$5,$2

j	$L142
move	$17,$2

$L236:
j	$L197
move	$6,$0

$L228:
li	$4,7			# 0x7
addiu	$6,$6,%lo($LC6)
li	$5,2			# 0x2
move	$7,$17
jal	mp_msg
sw	$3,16($sp)

li	$2,357892096			# 0x15550000
ori	$2,$2,0x5556
sltu	$2,$17,$2
sw	$17,80($21)
bne	$2,$0,$L175
lw	$4,84($21)

jal	uc_free
nop

move	$2,$0
j	$L173
sw	$2,84($21)

$L227:
lw	$3,108($21)
lw	$2,8($3)
bne	$2,$4,$L235
nop

lw	$2,4($3)
sw	$2,32($21)
$L231:
lw	$31,124($sp)
lw	$fp,120($sp)
lw	$23,116($sp)
lw	$22,112($sp)
lw	$21,108($sp)
lw	$20,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
j	$31
addiu	$sp,$sp,128

$L213:
lw	$3,108($21)
lw	$2,4($3)
j	$L231
sw	$2,32($21)

$L225:
lw	$5,104($21)
bgtz	$5,$L154
move	$17,$0

j	$L156
move	$16,$0

$L175:
sll	$2,$17,4
sll	$5,$17,2
jal	uc_realloc
subu	$5,$2,$5

j	$L173
sw	$2,84($21)

.set	macro
.set	reorder
.end	mov_build_index
.section	.text.stream_read_dword,"ax",@progbits
.align	2
.align	5
.ent	stream_read_dword
.type	stream_read_dword, @function
stream_read_dword:
.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$16,16($sp)
sw	$31,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
lw	$3,36($4)
lw	$6,40($4)
sltu	$2,$3,$6
beq	$2,$0,$L239
move	$16,$4

lw	$2,80($4)
addiu	$5,$3,1
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($4)
sll	$19,$3,8
$L241:
sltu	$2,$5,$6
beq	$2,$0,$L244
nop

$L261:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
move	$18,$3
sw	$5,36($16)
$L246:
sltu	$2,$5,$6
beq	$2,$0,$L249
nop

$L263:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
move	$17,$3
sw	$5,36($16)
$L251:
sltu	$2,$5,$6
beq	$2,$0,$L254
nop

$L265:
lw	$2,80($16)
addu	$2,$5,$2
addiu	$5,$5,1
lbu	$3,0($2)
sw	$5,36($16)
$L256:
or	$2,$19,$18
sll	$2,$2,8
or	$2,$17,$2
sll	$2,$2,8
lw	$31,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
or	$2,$3,$2
j	$31
addiu	$sp,$sp,40

$L239:
jal	stream_fill_buffer
nop

beq	$2,$0,$L260
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$6,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$6
sw	$5,36($16)
bne	$2,$0,$L261
sll	$19,$3,8

$L244:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L262
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$6,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$6
sw	$5,36($16)
bne	$2,$0,$L263
move	$18,$3

$L249:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L264
nop

lw	$5,36($16)
lw	$2,80($16)
lw	$6,40($16)
addu	$2,$2,$5
lbu	$3,0($2)
addiu	$5,$5,1
sltu	$2,$5,$6
sw	$5,36($16)
bne	$2,$0,$L265
move	$17,$3

$L254:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L256
li	$3,-256			# 0xffffffffffffff00

lw	$3,36($16)
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$2,$3
lbu	$4,0($2)
or	$2,$19,$18
sll	$2,$2,8
sw	$5,36($16)
or	$2,$17,$2
move	$3,$4
sll	$2,$2,8
lw	$31,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
or	$2,$3,$2
j	$31
addiu	$sp,$sp,40

$L262:
lw	$5,36($16)
lw	$6,40($16)
j	$L246
li	$18,-256			# 0xffffffffffffff00

$L264:
lw	$5,36($16)
lw	$6,40($16)
j	$L251
li	$17,-256			# 0xffffffffffffff00

$L260:
lw	$5,36($16)
lw	$6,40($16)
j	$L241
li	$19,-65536			# 0xffffffffffff0000

.set	macro
.set	reorder
.end	stream_read_dword
.section	.rodata.str1.4
.align	2
$LC10:
.ascii	"Checking for MOV\012\000"
.align	2
$LC11:
.ascii	"ISO: File Type Major Brand: ISO Base Media\012\000"
.align	2
$LC12:
.ascii	"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 syst"
.ascii	"em) v1\012\000"
.align	2
$LC13:
.ascii	"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 syst"
.ascii	"em) v2\012\000"
.align	2
$LC14:
.ascii	"ISO: File Type Major Brand: Apple iTunes AAC-LC Audio\012"
.ascii	"\000"
.align	2
$LC15:
.ascii	"ISO: File Type Major Brand: Apple iTunes AAC-LC Protecte"
.ascii	"d Audio\012\000"
.align	2
$LC16:
.ascii	"ISO: File Type Major Brand: Original QuickTime\012\000"
.align	2
$LC17:
.ascii	"ISO: File Type Major Brand: 3GPP Profile 1\012\000"
.align	2
$LC18:
.ascii	"ISO: File Type Major Brand: 3GPP Profile 2\012\000"
.align	2
$LC19:
.ascii	"ISO: File Type Major Brand: 3GPP Profile 3\012\000"
.align	2
$LC20:
.ascii	"ISO: File Type Major Brand: 3GPP Profile 4\012\000"
.align	2
$LC21:
.ascii	"ISO: File Type Major Brand: 3GPP Profile 5\012\000"
.align	2
$LC22:
.ascii	"ISO: File Type Major Brand: Mobile ISO/IEC 14496-1 (MPEG"
.ascii	"-4 system)\012\000"
.align	2
$LC23:
.ascii	"ISO: Unknown File Type Major Brand: %.4s\012\000"
.align	2
$LC24:
.ascii	"ISO: File Type Minor Version: %d\012\000"
.align	2
$LC25:
.ascii	"ISO: File Type Compatible Brand #%d: %.4s\012\000"
.align	2
$LC26:
.ascii	"MOV: Movie header found!\012\000"
.align	2
$LC27:
.ascii	"MOV: Movie header: start: %llx end: %llx\012\000"
.align	2
$LC28:
.ascii	"MOV: Reference Media file!!!\012\000"
.align	2
$LC29:
.ascii	"Added reference to playlist\012\000"
.align	2
$LC30:
.ascii	"  min. data rate: %d bits/sec\012\000"
.align	2
$LC31:
.ascii	"  quality index: %d\012\000"
.align	2
$LC32:
.ascii	"MOV: 'WIDE' chunk found!\012\000"
.align	2
$LC33:
.ascii	"MOV: Movie DATA found!\012\000"
.align	2
$LC34:
.ascii	"MOV: Movie data: start: %llx end: %llx\012\000"
.align	2
$LC35:
.ascii	"MOV: free space (len: %lld)\012\000"
.align	2
$LC36:
.ascii	"MOV: unknown chunk: %.4s %d\012\000"
.align	2
$LC37:
.ascii	"MOV: missing data (mdat) chunk! Maybe broken file...\012"
.ascii	"\000"
.align	2
$LC38:
.ascii	"MOV: missing header (moov/cmov) chunk! Maybe broken file"
.ascii	"...\012\000"
.section	.rodata.cst4
.align	2
$LC39:
.word	-16711936
.align	2
$LC40:
.word	16711935
.section	.text.mov_check_file,"ax",@progbits
.align	2
.align	5
.ent	mov_check_file
.type	mov_check_file, @function
mov_check_file:
.frame	$sp,120,$31		# vars= 48, regs= 10/0, args= 32, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-120
sw	$4,120($sp)
li	$4,2256			# 0x8d0
sw	$31,116($sp)
sw	$fp,112($sp)
sw	$23,108($sp)
sw	$22,104($sp)
sw	$21,100($sp)
sw	$20,96($sp)
sw	$19,92($sp)
sw	$18,88($sp)
sw	$17,84($sp)
.set	noreorder
.set	nomacro
jal	uc_malloc
sw	$16,80($sp)
.set	macro
.set	reorder

lui	$6,%hi($LC10)
move	$fp,$2
addiu	$6,$6,%lo($LC10)
li	$4,7			# 0x7
.set	noreorder
.set	nomacro
jal	mp_msg
li	$5,6			# 0x6
.set	macro
.set	reorder

andi	$3,$fp,0x3
li	$2,4			# 0x4
subu	$4,$2,$3
li	$2,2			# 0x2
addiu	$6,$fp,2256
.set	noreorder
.set	nomacro
beq	$4,$2,$L270
move	$3,$fp
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$4,$2,$L271
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$4,$2,$L466
$L268:
addiu	$5,$3,-4
move	$2,$0
#APP
.word	0b01110000000000100000000001101111	#S32I2M XR1,$2
#NO_APP
andi	$3,$3,0x1f
.set	noreorder
.set	nomacro
beq	$3,$0,$L504
addiu	$2,$6,-31
.set	macro
.set	reorder

li	$2,-32			# 0xffffffffffffffe0
and	$2,$5,$2
addiu	$4,$2,32
sltu	$3,$5,$4
.set	noreorder
.set	nomacro
beq	$3,$0,$L504
addiu	$2,$6,-31
.set	macro
.set	reorder

$L446:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$4
.set	noreorder
.set	nomacro
bne	$2,$0,$L446
addiu	$2,$6,-31
.set	macro
.set	reorder

$L504:
li	$3,-32			# 0xffffffffffffffe0
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L505
addiu	$2,$6,-4
.set	macro
.set	reorder

addiu	$2,$5,4
$L506:
#APP
pref 30,0($2)
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L506
addiu	$2,$5,4
.set	macro
.set	reorder

addiu	$2,$6,-4
$L505:
li	$3,-4			# 0xfffffffffffffffc
and	$3,$2,$3
sltu	$4,$5,$3
beq	$4,$0,$L277
$L448:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
bne	$2,$0,$L448
$L277:
andi	$3,$6,0x3
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$3,$2,$L281
addiu	$4,$5,4
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$3,$2,$L282
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$3,$2,$L467
$L279:
lw	$2,120($sp)
sw	$0,68($sp)
lw	$17,16($2)
li	$2,-1			# 0xffffffffffffffff
sw	$2,2252($fp)
sw	$0,64($sp)
$L283:
.set	noreorder
.set	nomacro
jal	stream_read_dword
move	$4,$17
.set	macro
.set	reorder

lw	$3,120($sp)
move	$16,$2
.set	noreorder
.set	nomacro
jal	stream_read_dword
lw	$4,16($3)
.set	macro
.set	reorder

lw	$4,120($sp)
sw	$2,32($sp)
lw	$17,16($4)
lw	$2,56($17)
.set	noreorder
.set	nomacro
bne	$2,$0,$L284
li	$2,1			# 0x1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$16,$2,$L468
slt	$2,$16,8
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L284
move	$19,$16
.set	macro
.set	reorder

li	$23,8			# 0x8
$L328:
li	$2,1835270144			# 0x6d640000
lw	$4,32($sp)
ori	$2,$2,0x6174
.set	noreorder
.set	nomacro
beq	$4,$2,$L334
sltu	$2,$2,$4
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L337
li	$2,1886257152			# 0x706e0000
.set	macro
.set	reorder

li	$2,1718747136			# 0x66720000
ori	$2,$2,0x6565
.set	noreorder
.set	nomacro
beq	$4,$2,$L332
sltu	$2,$2,$4
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$2,$0,$L469
li	$2,1346961408			# 0x50490000
.set	macro
.set	reorder

li	$2,1718878208			# 0x66740000
ori	$2,$2,0x7970
.set	noreorder
.set	nomacro
beq	$4,$2,$L333
li	$2,1786052608			# 0x6a750000
.set	macro
.set	reorder

ori	$2,$2,0x6e6b
.set	noreorder
.set	nomacro
bne	$4,$2,$L507
lw	$7,64($sp)
.set	macro
.set	reorder

$L332:
lui	$6,%hi($LC35)
sra	$2,$19,31
li	$5,7			# 0x7
addiu	$6,$6,%lo($LC35)
li	$4,7			# 0x7
sw	$2,20($sp)
.set	noreorder
.set	nomacro
jal	mp_msg
sw	$19,16($sp)
.set	macro
.set	reorder

lw	$5,120($sp)
subu	$16,$19,$23
.set	noreorder
.set	nomacro
bgez	$16,$L404