demux_film.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 4,067 行 · 第 1/4 页

.set	nomacro
bne	$2,$0,$L168
andi	$2,$5,0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L168
li	$2,-32			# 0xffffffffffffffe0
.set	macro
.set	reorder

addiu	$4,$4,-4
and	$2,$22,$2
addu	$6,$4,$2
sltu	$3,$4,$6
.set	noreorder
.set	nomacro
beq	$3,$0,$L172
addiu	$5,$5,-4
.set	macro
.set	reorder

$L261:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000101000000000010010010100	#S32LDI XR2,$5,4
.word	0b01110000101000000000010011010100	#S32LDI XR3,$5,4
.word	0b01110000101000000000010100010100	#S32LDI XR4,$5,4
.word	0b01110000101000000000010101010100	#S32LDI XR5,$5,4
.word	0b01110000101000000000010110010100	#S32LDI XR6,$5,4
.word	0b01110000101000000000010111010100	#S32LDI XR7,$5,4
.word	0b01110000101000000000011000010100	#S32LDI XR8,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$6
bne	$2,$0,$L261
$L172:
andi	$2,$22,0x1c
addu	$6,$6,$2
sltu	$3,$4,$6
.set	noreorder
.set	nomacro
beq	$3,$0,$L319
andi	$3,$22,0x3
.set	macro
.set	reorder

$L262:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
#NO_APP
sltu	$2,$4,$6
.set	noreorder
.set	nomacro
bne	$2,$0,$L262
andi	$3,$22,0x3
.set	macro
.set	reorder

$L319:
li	$2,2			# 0x2
$L329:
.set	noreorder
.set	nomacro
beq	$3,$2,$L178
li	$2,3			# 0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$3,$2,$L179
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$3,$2,$L315
.set	noreorder
.set	nomacro
j	$L145
move	$sp,$16
.set	macro
.set	reorder

$L315:
lbu	$2,4($5)
sb	$2,4($4)
.set	noreorder
.set	nomacro
j	$L145
move	$sp,$16
.set	macro
.set	reorder

$L311:
.set	noreorder
.set	nomacro
blez	$22,$L141
move	$4,$0
.set	macro
.set	reorder

$L143:
lw	$3,36($20)
addu	$3,$4,$3
lbu	$2,0($3)
addiu	$4,$4,1
addiu	$2,$2,-128
.set	noreorder
.set	nomacro
bne	$4,$22,$L143
sb	$2,0($3)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L141
lw	$5,156($21)
.set	macro
.set	reorder

$L301:
lbu	$2,4($5)
.set	noreorder
.set	nomacro
j	$L133
sb	$2,4($4)
.set	macro
.set	reorder

$L295:
bne	$19,$0,$L99
j	$L197
$L168:
.set	noreorder
.set	nomacro
jal	memcpy
move	$6,$22
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L145
move	$sp,$16
.set	macro
.set	reorder

$L299:
lw	$17,16($23)
move	$19,$0
.set	noreorder
.set	nomacro
j	$L251
sw	$0,0($20)
.set	macro
.set	reorder

$L313:
addiu	$3,$22,14
srl	$3,$3,3
sll	$3,$3,3
addu	$2,$2,$22
move	$16,$sp
sra	$9,$2,1
subu	$sp,$sp,$3
lw	$4,36($20)
.set	noreorder
.set	nomacro
blez	$9,$L149
addiu	$5,$sp,32
.set	macro
.set	reorder

addu	$7,$9,$4
move	$6,$5
move	$8,$0
$L151:
addu	$2,$4,$8
lbu	$3,0($2)
addiu	$8,$8,1
sb	$3,0($6)
lbu	$2,0($7)
addiu	$7,$7,1
sb	$2,1($6)
.set	noreorder
.set	nomacro
bne	$9,$8,$L151
addiu	$6,$6,2
.set	macro
.set	reorder

$L149:
sltu	$2,$22,32
.set	noreorder
.set	nomacro
bne	$2,$0,$L168
andi	$2,$4,0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L168
andi	$2,$5,0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L168
li	$2,-32			# 0xffffffffffffffe0
.set	macro
.set	reorder

addiu	$4,$4,-4
and	$2,$22,$2
addu	$6,$4,$2
sltu	$3,$4,$6
.set	noreorder
.set	nomacro
beq	$3,$0,$L156
addiu	$5,$5,-4
.set	macro
.set	reorder

$L259:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000101000000000010010010100	#S32LDI XR2,$5,4
.word	0b01110000101000000000010011010100	#S32LDI XR3,$5,4
.word	0b01110000101000000000010100010100	#S32LDI XR4,$5,4
.word	0b01110000101000000000010101010100	#S32LDI XR5,$5,4
.word	0b01110000101000000000010110010100	#S32LDI XR6,$5,4
.word	0b01110000101000000000010111010100	#S32LDI XR7,$5,4
.word	0b01110000101000000000011000010100	#S32LDI XR8,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$6
bne	$2,$0,$L259
$L156:
andi	$2,$22,0x1c
addu	$6,$6,$2
sltu	$3,$4,$6
.set	noreorder
.set	nomacro
beq	$3,$0,$L319
andi	$3,$22,0x3
.set	macro
.set	reorder

$L260:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
#NO_APP
sltu	$2,$4,$6
.set	noreorder
.set	nomacro
bne	$2,$0,$L260
andi	$3,$22,0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L329
li	$2,2			# 0x2
.set	macro
.set	reorder

$L314:
.set	noreorder
.set	nomacro
j	$L164
addiu	$2,$22,3
.set	macro
.set	reorder

$L179:
lbu	$2,4($5)
sb	$2,4($4)
lbu	$3,5($5)
sb	$3,5($4)
lbu	$2,6($5)
sb	$2,6($4)
.set	noreorder
.set	nomacro
j	$L145
move	$sp,$16
.set	macro
.set	reorder

$L178:
lbu	$2,4($5)
sb	$2,4($4)
lbu	$3,5($5)
sb	$3,5($4)
.set	noreorder
.set	nomacro
j	$L145
move	$sp,$16
.set	macro
.set	reorder

.end	demux_film_fill_buffer
.section	.rodata.str1.4
.align	2
$LC4:
.ascii	"Not a FILM file\012\000"
.align	2
$LC5:
.ascii	"FILM version %.4s\012\000"
.align	2
$LC6:
.ascii	"parsing FDSC chunk\012\000"
.align	2
$LC7:
.ascii	"  FILM video: %d x %d\012\000"
.align	2
$LC8:
.ascii	"chunk size = 0x%X \012\000"
.align	2
$LC9:
.ascii	"  FILM audio: %d channels, %d bits, %d Hz\012\000"
.align	2
$LC10:
.ascii	"parsing STAB chunk\012\000"
.globl	__divsf3
.align	2
$LC12:
.ascii	"  STAB chunk contains %d chunks\012\000"
.globl	__gesf2
.align	2
$LC13:
.ascii	"Unrecognized FILM header chunk: %08X\012\000"
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC11:
.word	1065353216
.section	.text.demux_open_film,"ax",@progbits
.align	2
.align	5
.ent	demux_open_film
.type	demux_open_film, @function
demux_open_film:
.frame	$sp,96,$31		# vars= 32, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-96
sw	$18,64($sp)
move	$18,$4
li	$4,20			# 0x14
sw	$31,92($sp)
sw	$22,80($sp)
sw	$16,56($sp)
sw	$fp,88($sp)
sw	$23,84($sp)
sw	$21,76($sp)
sw	$20,72($sp)
sw	$19,68($sp)
jal	uc_malloc
sw	$17,60($sp)

lw	$4,16($18)
sw	$0,0($2)
sw	$0,4($2)
sw	$0,8($2)
sw	$0,12($2)
jal	stream_reset
move	$22,$2

lw	$16,16($18)
lw	$3,44($16)
blez	$3,$L571
move	$4,$16

lw	$2,40($16)
subu	$2,$2,$3
bltz	$2,$L331
nop

sw	$2,36($16)
move	$3,$2
$L334:
lw	$6,40($16)
sltu	$2,$3,$6
beq	$2,$0,$L335
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$20,$3
$L337:
sltu	$2,$5,$6
beq	$2,$0,$L340
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)
$L342:
sltu	$2,$5,$6
beq	$2,$0,$L345
nop

$L552:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L347:
sltu	$2,$5,$6
beq	$2,$0,$L350
nop

$L554:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$3,$3,24
sw	$5,36($16)
$L352:
or	$4,$19,$17
or	$3,$3,$20
li	$2,1296826368			# 0x4d4c0000
or	$4,$4,$3
ori	$2,$2,0x4946
bne	$4,$2,$L572
lui	$6,%hi($LC4)

$L355:
jal	stream_read_dword
lw	$4,16($18)

lw	$16,16($18)
move	$21,$2
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L358
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$20,$3
$L360:
sltu	$2,$5,$4
beq	$2,$0,$L363
nop

$L560:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$19,$3,8
sw	$5,36($16)
$L365:
sltu	$2,$5,$4
beq	$2,$0,$L368
nop

$L562:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L370:
sltu	$2,$5,$4
beq	$2,$0,$L373
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)
$L375:
or	$3,$20,$2
or	$2,$19,$17
or	$2,$2,$3
lw	$4,16($18)
sw	$2,16($22)
sw	$21,8($18)
lw	$2,52($4)
lui	$6,%hi($LC5)
addiu	$6,$6,%lo($LC5)
li	$5,3			# 0x3
sw	$2,12($18)
li	$4,7			# 0x7
jal	mp_msg
addiu	$7,$22,16

lw	$16,16($18)
addiu	$21,$21,-16
lw	$6,40($16)
lw	$5,36($16)
li	$17,4			# 0x4
j	$L378
sw	$21,24($sp)

$L381:
slt	$2,$17,$3
movn	$3,$17,$2
addu	$4,$5,$3
subu	$17,$17,$3
move	$5,$4
blez	$17,$L382
sw	$4,36($16)

$L378:
subu	$2,$6,$5
move	$4,$16
bne	$2,$0,$L381
move	$3,$2

jal	stream_fill_buffer
nop

beq	$2,$0,$L573
lw	$2,24($sp)

lw	$5,36($16)
lw	$6,40($16)
subu	$3,$6,$5
slt	$2,$17,$3
movn	$3,$17,$2
addu	$4,$5,$3
subu	$17,$17,$3
move	$5,$4
bgtz	$17,$L378
sw	$4,36($16)

$L382:
lw	$2,24($sp)
$L573:
blez	$2,$L384
nop

sw	$0,44($sp)
sw	$0,40($sp)
sw	$0,28($sp)
$L386:
lw	$16,16($18)
lw	$3,36($16)
lw	$4,40($16)
sltu	$2,$3,$4
beq	$2,$0,$L387
addiu	$5,$3,1

lw	$2,80($16)
addu	$2,$3,$2
lbu	$3,0($2)
sw	$5,36($16)
move	$20,$3
$L389:
sltu	$2,$5,$4
beq	$2,$0,$L392
nop

$L544:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$19,$3,8
sw	$5,36($16)
$L394:
sltu	$2,$5,$4
beq	$2,$0,$L397
nop

$L545:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$17,$3,16
sw	$5,36($16)
$L399:
sltu	$2,$5,$4
beq	$2,$0,$L402
nop

$L546:
lw	$2,80($16)
addu	$2,$5,$2
lbu	$3,0($2)
addiu	$5,$5,1
sll	$2,$3,24
sw	$5,36($16)
$L404:
lw	$4,16($18)
or	$3,$20,$2
or	$2,$19,$17
jal	stream_read_dword
or	$16,$2,$3

lw	$3,24($sp)
sw	$2,36($sp)
subu	$3,$3,$2
li	$2,1111556096			# 0x42410000
ori	$2,$2,0x5453
beq	$16,$2,$L408
sw	$3,24($sp)

$L547:
li	$2,1129512960			# 0x43530000
ori	$2,$2,0x4446
beq	$16,$2,$L543
lui	$6,%hi($LC13)

addiu	$6,$6,%lo($LC13)
move	$7,$16
li	$4,7			# 0x7
jal	mp_msg
li	$5,1			# 0x1

move	$18,$0
$L357:
move	$2,$18
lw	$31,92($sp)
lw	$fp,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
j	$31
addiu	$sp,$sp,96

$L387:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L390
nop

lw	$5,36($16)
lw	$4,40($16)
sltu	$2,$5,$4
bne	$2,$0,$L544
li	$20,-256			# 0xffffffffffffff00

$L392:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L395
nop

lw	$5,36($16)
lw	$4,40($16)
sltu	$2,$5,$4
bne	$2,$0,$L545
li	$19,-65536			# 0xffffffffffff0000

$L397:
jal	stream_fill_buffer
move	$4,$16

bne	$2,$0,$L400
nop

lw	$5,36($16)
lw	$4,40($16)
sltu	$2,$5,$4
bne	$2,$0,$L546
li	$17,-16777216			# 0xffffffffff000000

$L402:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L404
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)
sll	$2,$4,24
lw	$4,16($18)
or	$3,$20,$2
or	$2,$19,$17
jal	stream_read_dword
or	$16,$2,$3

lw	$3,24($sp)
sw	$2,36($sp)
subu	$3,$3,$2
li	$2,1111556096			# 0x42410000
ori	$2,$2,0x5453
bne	$16,$2,$L547
sw	$3,24($sp)

$L408:
lui	$6,%hi($LC10)
addiu	$6,$6,%lo($LC10)
li	$4,13			# 0xd
jal	mp_msg
li	$5,6			# 0x6

lw	$2,44($sp)
beq	$2,$0,$L501
nop

jal	stream_read_dword
lw	$4,16($18)

bltz	$2,$L504
move	$4,$2

jal	__floatsisf
nop

move	$5,$2
$L503:
lui	$2,%hi($LC11)
lw	$3,44($sp)
lw	$4,%lo($LC11)($2)
jal	__divsf3
sw	$5,236($3)

lw	$4,44($sp)
sw	$2,240($4)
$L501:
jal	stream_read_dword
lw	$4,16($18)

lui	$6,%hi($LC12)
sw	$2,0($22)
move	$7,$2
addiu	$6,$6,%lo($LC12)
li	$4,13			# 0xd
li	$5,6			# 0x6
jal	mp_msg
sw	$0,4($22)

lw	$4,0($22)
jal	uc_calloc
li	$5,20			# 0x14

lw	$4,0($22)
move	$5,$2
beq	$4,$0,$L505
sw	$2,8($22)

li	$2,1			# 0x1
move	$20,$0
move	$19,$0
j	$L507
sw	$2,32($sp)

$L549:
li	$2,-1			# 0xffffffffffffffff
beq	$17,$2,$L548
li	$2,2147418112			# 0x7fff0000

ori	$2,$2,0xffff
and	$4,$17,$2
bltz	$4,$L514
srl	$2,$4,1

jal	__floatsisf
nop

move	$16,$2
$L513:
lw	$2,44($sp)
move	$4,$16
jal	__gesf2
lw	$5,236($2)

bgez	$2,$L515
nop

lw	$2,12($22)
addiu	$2,$2,1
sw	$2,12($22)
$L517:
lw	$2,44($sp)
move	$4,$16
lw	$5,236($2)
jal	__divsf3
addiu	$20,$20,1

lw	$3,48($sp)
lw	$5,8($22)
move	$16,$2
addu	$2,$3,$fp
addu	$3,$19,$5
sw	$2,0($3)
sw	$23,12($3)
sw	$17,8($3)
sw	$21,4($3)
lw	$4,0($22)
sw	$16,16($3)
sltu	$2,$20,$4
beq	$2,$0,$L505
addiu	$19,$19,20

$L507:
lw	$3,8($18)
lw	$4,16($18)
addu	$2,$19,$5
sw	$3,48($sp)
jal	stream_read_dword
lw	$16,16($2)

lw	$4,16($18)
jal	stream_read_dword
move	$fp,$2

lw	$4,16($18)
jal	stream_read_dword
move	$21,$2

lw	$4,16($18)
jal	stream_read_dword
move	$17,$2

lw	$4,32($sp)
bne	$4,$0,$L549
move	$23,$2

li	$2,-1			# 0xffffffffffffffff
beq	$17,$2,$L512
li	$2,2147418112			# 0x7fff0000

ori	$2,$2,0xffff
and	$4,$17,$2
bltz	$4,$L527
srl	$2,$4,1

jal	__floatsisf
nop

j	$L517
move	$16,$2

$L548:
lw	$2,12($22)
addiu	$2,$2,1
sw	$2,12($22)
$L512:
lw	$3,52($18)
lw	$2,68($3)
slt	$2,$2,-1
bne	$2,$0,$L519
lw	$3,28($sp)

bltz	$3,$L522
andi	$2,$3,0x1

jal	__floatsisf
move	$4,$3

move	$16,$2
$L521:
lw	$3,40($sp)
lw	$2,156($3)
lwl	$4,11($2)
lwr	$4,8($2)
bltz	$4,$L524
srl	$2,$4,1

jal	__floatsisf
nop

move	$4,$16
$L569:
jal	__divsf3
move	$5,$2

move	$16,$2
$L519:
lw	$3,48($sp)
lw	$5,8($22)
lw	$4,28($sp)
addu	$2,$3,$fp
addu	$3,$19,$5
addu	$4,$4,$21
sw	$2,0($3)
sw	$23,12($3)
sw	$17,8($3)
sw	$21,4($3)
sw	$4,28($sp)
lw	$4,0($22)
addiu	$20,$20,1
sltu	$2,$20,$4
sw	$16,16($3)
bne	$2,$0,$L507
addiu	$19,$19,20

$L505:
sll	$2,$4,4
lw	$4,36($sp)
beq	$4,$2,$L550
lw	$2,24($sp)

$L443:
lw	$3,24($sp)
$L568:
bgtz	$3,$L386
nop

$L384:
j	$L357
sw	$22,2248($18)

$L515:
j	$L517
sw	$0,32($sp)

$L340:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L551
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,$0,$L552
sll	$19,$3,8

$L345:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L553
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,$0,$L554
sll	$17,$3,16

$L350:
jal	stream_fill_buffer
move	$4,$16

beq	$2,$0,$L352
move	$3,$0

lw	$3,36($16)
lw	$2,80($16)
addiu	$5,$3,1
addu	$2,$2,$3
lbu	$4,0($2)
li	$2,1296826368			# 0x4d4c0000
sll	$3,$4,24
or	$3,$3,$20
or	$4,$19,$17
or	$4,$4,$3
ori	$2,$2,0x4946
beq	$4,$2,$L355
sw	$5,36($16)

lui	$6,%hi($LC4)
$L572:
addiu	$6,$6,%lo($LC4)
li	$5,1			# 0x1
jal	mp_msg