yuv4mpeg.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 2,660 行 · 第 1/3 页

.ent	y4m_copy_stream_info
.type	y4m_copy_stream_info, @function
y4m_copy_stream_info:
.frame	$sp,40,$31		# vars= 0, regs= 6/0, args= 16, gp= 0
.mask	0x801f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$31,36($sp)
sw	$20,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
move	$10,$4
beq	$4,$0,$L253
move	$9,$5

beq	$5,$0,$L253
addiu	$20,$10,32

lw	$5,12($5)
lw	$6,16($9)
lw	$7,20($9)
lw	$8,24($9)
lw	$3,4($9)
lw	$2,0($9)
lw	$4,8($9)
sw	$2,0($10)
sw	$3,4($10)
sw	$4,8($10)
sw	$5,12($10)
sw	$6,16($10)
sw	$7,20($10)
sw	$8,24($10)
lw	$3,32($9)
blez	$3,$L248
addiu	$19,$9,32

addiu	$16,$10,36
addiu	$17,$9,36
move	$18,$0
$L250:
lw	$2,0($16)
addiu	$18,$18,1
beq	$2,$0,$L255
li	$4,32			# 0x20

$L251:
lw	$5,0($17)
move	$4,$2
jal	strncpy
li	$6,32			# 0x20

lw	$3,0($19)
addiu	$17,$17,4
slt	$2,$18,$3
bne	$2,$0,$L250
addiu	$16,$16,4

$L248:
sw	$3,0($20)
$L253:
lw	$31,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,40

$L255:
jal	uc_malloc
nop

j	$L251
sw	$2,0($16)

.set	macro
.set	reorder
.end	y4m_copy_stream_info
.section	.rodata.str1.4
.align	2
$LC27:
.ascii	"FRAME\000"
.align	2
$LC28:
.ascii	" \000"
.align	2
$LC29:
.ascii	"Unknown frame tag encountered:  '%s'\012\000"
.section	.text.y4m_read_frame_header,"ax",@progbits
.align	2
.align	5
.globl	y4m_read_frame_header
.ent	y4m_read_frame_header
.type	y4m_read_frame_header, @function
y4m_read_frame_header:
.frame	$sp,304,$31		# vars= 256, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-304
sw	$20,288($sp)
addiu	$20,$sp,16
sw	$19,284($sp)
li	$6,6			# 0x6
move	$19,$5
move	$5,$20
sw	$21,292($sp)
sw	$31,296($sp)
sw	$18,280($sp)
sw	$17,276($sp)
sw	$16,272($sp)
jal	y4m_read
move	$21,$4

beq	$2,$0,$L257
move	$3,$2

li	$2,6			# 0x6
bne	$3,$2,$L310
lw	$31,296($sp)

$L261:
lw	$31,296($sp)
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
j	$31
addiu	$sp,$sp,304

$L257:
lui	$16,%hi($LC27)
jal	strlen
addiu	$4,$16,%lo($LC27)

move	$6,$2
sltu	$2,$2,5
beq	$2,$0,$L262
addiu	$5,$16,%lo($LC27)

sltu	$2,$6,4
beq	$2,$0,$L311
lbu	$3,%lo($LC27)($16)

lbu	$2,16($sp)
addiu	$5,$16,%lo($LC27)
beq	$6,$0,$L304
subu	$2,$2,$3

bne	$2,$0,$L304
nop

lbu	$2,17($sp)
lbu	$3,1($5)
sltu	$4,$6,2
bne	$4,$0,$L304
subu	$2,$2,$3

bne	$2,$0,$L304
nop

lbu	$2,18($sp)
lbu	$3,2($5)
li	$4,2			# 0x2
beq	$6,$4,$L304
subu	$2,$2,$3

bne	$2,$0,$L304
nop

lbu	$3,3($5)
lbu	$2,19($sp)
j	$L304
subu	$2,$2,$3

$L311:
jal	strcmp
move	$4,$20

$L304:
sltu	$2,$0,$2
$L309:
bne	$2,$0,$L274
lb	$3,21($sp)

li	$2,10			# 0xa
beq	$3,$2,$L261
move	$2,$0

li	$2,32			# 0x20
bne	$3,$2,$L274
move	$16,$20

li	$18,10			# 0xa
j	$L279
addiu	$17,$sp,271

$L306:
lb	$2,0($16)
beq	$2,$18,$L305
move	$4,$20

beq	$17,$16,$L300
addiu	$16,$16,1

$L279:
move	$5,$16
move	$4,$21
jal	y4m_read
li	$6,1			# 0x1

beq	$2,$0,$L306
lw	$31,296($sp)

$L310:
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
li	$2,2			# 0x2
j	$31
addiu	$sp,$sp,304

$L274:
lw	$31,296($sp)
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
li	$2,5			# 0x5
j	$31
addiu	$sp,$sp,304

$L262:
move	$4,$20
jal	strncmp
li	$6,5			# 0x5

j	$L309
sltu	$2,$0,$2

$L305:
lui	$18,%hi($LC28)
sb	$0,0($16)
jal	strtok
addiu	$5,$18,%lo($LC28)

bne	$2,$0,$L302
move	$16,$2

j	$L261
move	$2,$0

$L288:
lw	$3,%lo(_y4mparam_allow_unknown_tags)($2)
beq	$3,$0,$L261
li	$2,4			# 0x4

lw	$4,0($19)
slt	$2,$4,32
beq	$2,$0,$L261
li	$2,7			# 0x7

sll	$2,$4,2
addu	$17,$2,$19
lw	$3,4($17)
beq	$3,$0,$L307
nop

$L297:
sll	$2,$4,2
addu	$2,$2,$19
lw	$4,4($2)
move	$5,$16
jal	strncpy
li	$6,32			# 0x20

lw	$3,0($19)
lui	$6,%hi($LC29)
addiu	$3,$3,1
sw	$3,0($19)
addiu	$6,$6,%lo($LC29)
move	$7,$16
li	$4,7			# 0x7
jal	mp_msg
li	$5,2			# 0x2

$L286:
move	$4,$0
jal	strtok
addiu	$5,$18,%lo($LC28)

beq	$2,$0,$L276
move	$16,$2

$L302:
lb	$3,0($16)
beq	$3,$0,$L286
li	$2,88			# 0x58

bne	$3,$2,$L288
lui	$2,%hi(_y4mparam_allow_unknown_tags)

lw	$4,0($19)
slt	$2,$4,32
beq	$2,$0,$L261
li	$2,7			# 0x7

sll	$2,$4,2
addu	$17,$2,$19
lw	$3,4($17)
beq	$3,$0,$L308
nop

$L292:
sll	$2,$4,2
addu	$2,$2,$19
lw	$4,4($2)
move	$5,$16
jal	strncpy
li	$6,32			# 0x20

lw	$3,0($19)
addiu	$4,$3,1
j	$L286
sw	$4,0($19)

$L307:
jal	uc_malloc
li	$4,32			# 0x20

lw	$4,0($19)
j	$L297
sw	$2,4($17)

$L276:
j	$L261
move	$2,$0

$L308:
jal	uc_malloc
li	$4,32			# 0x20

lw	$4,0($19)
j	$L292
sw	$2,4($17)

$L300:
j	$L261
li	$2,3			# 0x3

.set	macro
.set	reorder
.end	y4m_read_frame_header
.section	.text.y4m_read_frame,"ax",@progbits
.align	2
.align	5
.globl	y4m_read_frame
.ent	y4m_read_frame
.type	y4m_read_frame, @function
y4m_read_frame:
.frame	$sp,40,$31		# vars= 0, regs= 6/0, args= 16, gp= 0
.mask	0x801f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$20,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
move	$2,$5
sw	$31,36($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$17,4($2)
lw	$16,0($2)
move	$5,$6
mul	$16,$16,$17
move	$19,$4
jal	y4m_read_frame_header
move	$20,$7

move	$18,$2
move	$4,$19
bne	$2,$0,$L313
move	$6,$16

jal	y4m_read
lw	$5,0($20)

slt	$4,$16,0
move	$3,$16
addiu	$5,$16,3
movn	$3,$5,$4
sra	$16,$3,2
move	$4,$19
bne	$2,$0,$L315
move	$6,$16

jal	y4m_read
lw	$5,4($20)

move	$4,$19
beq	$2,$0,$L320
move	$6,$16

$L315:
li	$18,2			# 0x2
$L313:
move	$2,$18
lw	$31,36($sp)
$L322:
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,40

$L320:
jal	y4m_read
lw	$5,8($20)

bne	$2,$0,$L315
move	$2,$18

j	$L322
lw	$31,36($sp)

.set	macro
.set	reorder
.end	y4m_read_frame
.section	.rodata.str1.4
.align	2
$LC30:
.ascii	"Unknown stream tag encountered:  '%s'\012\000"
.section	.text.y4m_parse_stream_tags,"ax",@progbits
.align	2
.align	5
.globl	y4m_parse_stream_tags
.ent	y4m_parse_stream_tags
.type	y4m_parse_stream_tags, @function
y4m_parse_stream_tags:
.frame	$sp,40,$31		# vars= 0, regs= 6/0, args= 16, gp= 0
.mask	0x801f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$20,32($sp)
lui	$20,%hi($LC28)
sw	$19,28($sp)
move	$19,$5
addiu	$5,$20,%lo($LC28)
sw	$16,16($sp)
sw	$31,36($sp)
sw	$18,24($sp)
jal	strtok
sw	$17,20($sp)

beq	$2,$0,$L324
move	$16,$2

$L358:
lb	$2,0($16)
beq	$2,$0,$L326
addiu	$2,$2,-65

andi	$2,$2,0x00ff
sltu	$3,$2,24
beq	$3,$0,$L328
addiu	$5,$16,1

lui	$3,%hi($L335)
sll	$2,$2,2
addiu	$3,$3,%lo($L335)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
nop

.rdata
.align	2
.align	2
$L335:
.word	$L329
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L330
.word	$L328
.word	$L331
.word	$L332
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L328
.word	$L333
.word	$L334
.section	.text.y4m_parse_stream_tags
$L328:
lui	$2,%hi(_y4mparam_allow_unknown_tags)
lw	$3,%lo(_y4mparam_allow_unknown_tags)($2)
beq	$3,$0,$L357
lw	$31,36($sp)

lw	$4,32($19)
slt	$2,$4,32
beq	$2,$0,$L366
addiu	$18,$19,32

sll	$2,$4,2
addu	$17,$2,$18
lw	$3,4($17)
beq	$3,$0,$L361
nop

$L351:
sll	$2,$4,2
addu	$2,$2,$18
lw	$4,4($2)
move	$5,$16
jal	strncpy
li	$6,32			# 0x20

lw	$3,32($19)
lui	$6,%hi($LC30)
addiu	$3,$3,1
sw	$3,32($19)
addiu	$6,$6,%lo($LC30)
move	$7,$16
li	$4,7			# 0x7
jal	mp_msg
li	$5,2			# 0x2

$L326:
move	$4,$0
jal	strtok
addiu	$5,$20,%lo($LC28)

bne	$2,$0,$L358
move	$16,$2

$L324:
lw	$2,0($19)
li	$3,-1			# 0xffffffffffffffff
bne	$2,$3,$L362
nop

$L353:
li	$2,3			# 0x3
$L337:
lw	$31,36($sp)
$L365:
lw	$20,32($sp)
$L367:
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,40

$L329:
jal	y4m_parse_ratio
addiu	$4,$19,20

bne	$2,$0,$L365
lw	$31,36($sp)

lw	$2,20($19)
bgez	$2,$L326
li	$2,1			# 0x1

j	$L367
lw	$20,32($sp)

$L330:
jal	y4m_parse_ratio
addiu	$4,$19,12

bne	$2,$0,$L365
lw	$31,36($sp)

lw	$2,12($19)
bgez	$2,$L326
li	$2,1			# 0x1

j	$L367
lw	$20,32($sp)

$L331:
move	$4,$5
li	$6,10			# 0xa
move	$5,$0
jal	__strtol_internal
move	$7,$0

bgtz	$2,$L326
sw	$2,4($19)

j	$L337
li	$2,1			# 0x1

$L332:
lb	$4,0($5)
li	$2,112			# 0x70
beq	$4,$2,$L341
li	$2,116			# 0x74

beq	$4,$2,$L342
li	$2,98			# 0x62

beq	$4,$2,$L363
li	$2,-1			# 0xffffffffffffffff

j	$L326
sw	$2,8($19)

$L333:
move	$4,$5
li	$6,10			# 0xa
move	$5,$0
jal	__strtol_internal
move	$7,$0

bgtz	$2,$L326
sw	$2,0($19)

j	$L337
li	$2,1			# 0x1

$L334:
lw	$4,32($19)
slt	$2,$4,32
beq	$2,$0,$L344
addiu	$18,$19,32

sll	$2,$4,2
addu	$17,$2,$18
lw	$3,4($17)
beq	$3,$0,$L364
nop

$L346:
sll	$2,$4,2
addu	$2,$2,$18
lw	$4,4($2)
move	$5,$16
jal	strncpy
li	$6,32			# 0x20

lw	$3,32($19)
addiu	$4,$3,1
j	$L326
sw	$4,32($19)

$L361:
jal	uc_malloc
li	$4,32			# 0x20

lw	$4,32($19)
j	$L351
sw	$2,4($17)

$L341:
j	$L326
sw	$0,8($19)

$L342:
li	$2,1			# 0x1
j	$L326
sw	$2,8($19)

$L363:
li	$2,2			# 0x2
j	$L326
sw	$2,8($19)

$L364:
jal	uc_malloc
li	$4,32			# 0x20

lw	$4,32($19)
j	$L346
sw	$2,4($17)

$L344:
lw	$31,36($sp)
$L366:
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
li	$2,7			# 0x7
j	$31
addiu	$sp,$sp,40

$L357:
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
li	$2,4			# 0x4
j	$31
addiu	$sp,$sp,40

$L362:
lw	$2,4($19)
beq	$2,$3,$L353
move	$2,$0

j	$L365
lw	$31,36($sp)

.set	macro
.set	reorder
.end	y4m_parse_stream_tags
.section	.rodata.str1.4
.align	2
$LC31:
.ascii	"YUV4MPEG2\000"
.section	.text.y4m_read_stream_header,"ax",@progbits
.align	2
.align	5
.globl	y4m_read_stream_header
.ent	y4m_read_stream_header
.type	y4m_read_stream_header, @function
y4m_read_stream_header:
.frame	$sp,304,$31		# vars= 256, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-304
sw	$19,284($sp)
addiu	$19,$sp,16
sw	$21,292($sp)
sw	$20,288($sp)
sw	$18,280($sp)
sw	$17,276($sp)
sw	$16,272($sp)
move	$18,$4
move	$21,$5
move	$16,$19
lui	$20,%hi($LC31)
li	$17,10			# 0xa
j	$L369
sw	$31,296($sp)

$L370:
lb	$2,0($16)
beq	$2,$17,$L381
addiu	$2,$sp,271

beq	$16,$2,$L382
addiu	$16,$16,1

$L369:
move	$5,$16
move	$4,$18
jal	y4m_read
li	$6,1			# 0x1

beq	$2,$0,$L370
li	$5,2			# 0x2

$L372:
lw	$31,296($sp)
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,304

$L381:
sb	$0,0($16)
jal	strlen
addiu	$4,$20,%lo($LC31)

move	$6,$2
move	$4,$19
addiu	$5,$20,%lo($LC31)
jal	strncmp
move	$16,$2

beq	$2,$0,$L375
lw	$31,296($sp)

li	$5,5			# 0x5
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,304

$L375:
move	$5,$21
jal	y4m_parse_stream_tags
addu	$4,$19,$16

bne	$2,$0,$L372
move	$5,$2

lw	$2,4($21)
lw	$4,0($21)
sll	$3,$2,1
addu	$3,$3,$2
mul	$3,$3,$4
srl	$2,$3,31
addu	$2,$2,$3
sra	$2,$2,1
sw	$2,28($21)
lw	$31,296($sp)
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,304

$L382:
li	$5,3			# 0x3
lw	$31,296($sp)
lw	$21,292($sp)
lw	$20,288($sp)
lw	$19,284($sp)
lw	$18,280($sp)
lw	$17,276($sp)
lw	$16,272($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,304

.set	macro
.set	reorder
.end	y4m_read_stream_header
.data
.align	2
.type	_y4mparam_allow_unknown_tags, @object
.size	_y4mparam_allow_unknown_tags, 4
_y4mparam_allow_unknown_tags:
.word	1
.ident	"GCC: (GNU) 4.1.2"