raw.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 2,453 行 · 第 1/3 页

.end	raw_read_header
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Ingenient packet: size=%d, width=%d, height=%d, unk1=%d "
.ascii	"unk2=%d\012\000"
.section	.text.ingenient_read_packet,"ax",@progbits
.align	2
.align	5
.ent	ingenient_read_packet
.type	ingenient_read_packet, @function
ingenient_read_packet:
.frame	$sp,64,$31		# vars= 0, regs= 8/0, args= 32, gp= 0
.mask	0x807f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-64
sw	$20,48($sp)
addiu	$20,$4,16
move	$4,$20
sw	$21,52($sp)
sw	$31,60($sp)
sw	$22,56($sp)
sw	$19,44($sp)
sw	$18,40($sp)
sw	$17,36($sp)
sw	$16,32($sp)
jal	get_le32
move	$21,$5

li	$3,1196425216			# 0x47500000
ori	$3,$3,0x4a4d
beq	$2,$3,$L154
move	$4,$20

$L146:
li	$2,-5			# 0xfffffffffffffffb
$L152:
lw	$31,60($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)
j	$31
addiu	$sp,$sp,64

$L154:
jal	get_le32
nop

move	$4,$20
jal	get_le16
move	$22,$2

move	$4,$20
jal	get_le16
move	$19,$2

move	$4,$20
li	$6,8			# 0x8
move	$7,$0
jal	url_fskip
move	$18,$2

li	$6,2			# 0x2
move	$7,$0
jal	url_fskip
move	$4,$20

jal	get_le16
move	$4,$20

move	$4,$20
jal	get_le16
move	$16,$2

move	$4,$20
li	$6,22			# 0x16
move	$7,$0
jal	url_fskip
move	$17,$2

lui	$6,%hi($LC0)
addiu	$6,$6,%lo($LC0)
move	$7,$22
move	$4,$0
li	$5,2			# 0x2
sw	$19,16($sp)
sw	$18,20($sp)
sw	$16,24($sp)
jal	av_log
sw	$17,28($sp)

move	$4,$21
jal	av_new_packet
move	$5,$22

bltz	$2,$L146
move	$4,$20

jal	url_ftell
nop

lw	$5,16($21)
sw	$2,48($21)
sw	$3,52($21)
move	$4,$20
move	$6,$22
jal	get_buffer
sw	$0,24($21)

blez	$2,$L155
nop

j	$L152
sw	$2,20($21)

$L155:
lw	$5,36($21)
beq	$5,$0,$L146
move	$4,$21

jal	$5
nop

j	$L152
li	$2,-5			# 0xfffffffffffffffb

.set	macro
.set	reorder
.end	ingenient_read_packet
.section	.text.flac_write_header,"ax",@progbits
.align	2
.align	5
.ent	flac_write_header
.type	flac_write_header, @function
flac_write_header:
.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$31,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$2,100($4)
lw	$3,8($2)
lw	$17,24($3)
beq	$17,$0,$L157
lw	$18,28($3)

addiu	$16,$4,16
lui	$5,%hi(header.5894)
addiu	$5,$5,%lo(header.5894)
move	$4,$16
blez	$18,$L157
li	$6,8			# 0x8

jal	put_buffer
nop

move	$4,$16
move	$5,$17
jal	put_buffer
move	$6,$18

$L157:
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	flac_write_header
.section	.text.raw_write_packet,"ax",@progbits
.align	2
.align	5
.ent	raw_write_packet
.type	raw_write_packet, @function
raw_write_packet:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$31,20($sp)
sw	$16,16($sp)
lw	$6,20($5)
addiu	$16,$4,16
lw	$5,16($5)
jal	put_buffer
move	$4,$16

jal	put_flush_packet
move	$4,$16

lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	raw_write_packet
.section	.text.roq_write_header,"ax",@progbits
.align	2
.align	5
.ent	roq_write_header
.type	roq_write_header, @function
roq_write_header:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$16,16($sp)
lui	$5,%hi(header.5904)
addiu	$16,$4,16
move	$4,$16
addiu	$5,$5,%lo(header.5904)
sw	$31,20($sp)
jal	put_buffer
li	$6,8			# 0x8

jal	put_flush_packet
move	$4,$16

lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	roq_write_header
.section	.text.ac3_probe,"ax",@progbits
.align	2
.align	5
.ent	ac3_probe
.type	ac3_probe, @function
ac3_probe:
.frame	$sp,80,$31		# vars= 24, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-80
sw	$18,48($sp)
sw	$31,76($sp)
sw	$fp,72($sp)
sw	$23,68($sp)
sw	$22,64($sp)
sw	$21,60($sp)
sw	$20,56($sp)
sw	$19,52($sp)
sw	$17,44($sp)
sw	$16,40($sp)
lw	$23,4($4)
lw	$2,8($4)
addu	$18,$23,$2
sltu	$3,$23,$18
beq	$3,$0,$L185
sw	$4,80($sp)

move	$19,$23
move	$20,$0
move	$21,$0
addiu	$22,$sp,16
subu	$fp,$18,$23
$L173:
move	$16,$19
move	$17,$0
$L168:
move	$4,$16
jal	ff_ac3_parse_header
move	$5,$22

bltz	$2,$L169
lhu	$3,38($sp)

addu	$16,$16,$3
sltu	$2,$16,$18
bne	$2,$0,$L168
addiu	$17,$17,1

$L169:
lw	$3,80($sp)
slt	$4,$20,$17
lw	$2,4($3)
addu	$3,$23,$fp
xor	$2,$2,$19
addiu	$19,$19,1
movz	$21,$17,$2
bne	$19,$3,$L173
movn	$20,$17,$4

slt	$2,$21,3
beq	$2,$0,$L177
li	$2,75			# 0x4b

slt	$2,$20,3
beq	$2,$0,$L187
lw	$31,76($sp)

$L178:
slt	$2,$0,$20
$L177:
lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
j	$31
addiu	$sp,$sp,80

$L187:
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
li	$2,50			# 0x32
j	$31
addiu	$sp,$sp,80

$L185:
j	$L178
move	$20,$0

.set	macro
.set	reorder
.end	ac3_probe
.section	.rodata.str1.4
.align	2
$LC1:
.ascii	"fLaC\000"
.section	.text.flac_probe,"ax",@progbits
.align	2
.align	5
.ent	flac_probe
.type	flac_probe, @function
flac_probe:
.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)
lw	$4,4($4)
lui	$5,%hi($LC1)
addiu	$5,$5,%lo($LC1)
jal	memcmp
li	$6,4			# 0x4

li	$3,50			# 0x32
movn	$3,$0,$2
lw	$31,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	flac_probe
.section	.text.pcm_read_seek,"ax",@progbits
.align	2
.align	5
.globl	pcm_read_seek
.ent	pcm_read_seek
.type	pcm_read_seek, @function
pcm_read_seek:
.frame	$sp,72,$31		# vars= 0, regs= 9/0, args= 32, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$23,60($sp)
sw	$17,36($sp)
sw	$16,32($sp)
sw	$31,64($sp)
sw	$22,56($sp)
sw	$21,52($sp)
sw	$20,48($sp)
sw	$19,44($sp)
sw	$18,40($sp)
lw	$22,100($4)
move	$23,$4
lw	$4,8($22)
move	$16,$6
lw	$5,272($4)
beq	$5,$0,$L207
move	$17,$7

$L194:
lw	$2,4($4)
bne	$2,$0,$L198
sra	$6,$2,3

lw	$2,64($4)
mul	$6,$5,$2
$L198:
bgtz	$5,$L208
lw	$2,88($sp)

$L199:
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)
li	$2,-1			# 0xffffffffffffffff
j	$31
addiu	$sp,$sp,72

$L207:
jal	av_get_bits_per_sample
lw	$4,228($4)

lw	$4,8($22)
lw	$3,68($4)
mul	$2,$2,$3
j	$L194
sra	$5,$2,3

$L208:
li	$10,2			# 0x2
andi	$2,$2,0x1
li	$3,3			# 0x3
blez	$6,$L199
movz	$10,$3,$2

lw	$2,68($22)
sra	$19,$5,31
mul	$8,$17,$6
mul	$7,$19,$2
multu	$6,$16
sra	$21,$6,31
move	$18,$5
mflo	$4
mfhi	$5
mul	$9,$21,$16
multu	$2,$18
sra	$3,$2,31
addu	$12,$9,$8
mflo	$8
mfhi	$9
mul	$11,$3,$18
move	$20,$6
lw	$6,64($22)
addu	$2,$11,$7
addu	$5,$12,$5
sra	$7,$6,31
addu	$9,$2,$9
sw	$8,16($sp)
sw	$9,20($sp)
jal	av_rescale_rnd
sw	$10,24($sp)

lw	$6,64($22)
mul	$8,$3,$18
sra	$5,$6,31
mul	$7,$5,$20
multu	$18,$2
move	$4,$6
mflo	$16
mfhi	$17
mul	$6,$19,$2
multu	$20,$4
addu	$2,$6,$8
mfhi	$9
mflo	$8
addu	$17,$2,$17
mul	$2,$21,$4
lw	$10,68($22)
addu	$4,$2,$7
addu	$9,$4,$9
move	$6,$10
sra	$7,$10,31
move	$4,$16
move	$5,$17
sw	$8,16($sp)
jal	av_rescale
sw	$9,20($sp)

sw	$2,120($22)
sw	$3,124($22)
lw	$2,3920($23)
lw	$3,3924($23)
addu	$6,$16,$2
sltu	$5,$6,$16
addu	$7,$17,$3
addiu	$4,$23,16
addu	$7,$5,$7
jal	url_fseek
sw	$0,16($sp)

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,$0
j	$31
addiu	$sp,$sp,72

.set	macro
.set	reorder
.end	pcm_read_seek
.section	.text.raw_read_partial_packet,"ax",@progbits
.align	2
.align	5
.ent	raw_read_partial_packet
.type	raw_read_partial_packet, @function
raw_read_partial_packet:
.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$17,20($sp)
sw	$16,16($sp)
addiu	$17,$4,16
move	$16,$5
move	$4,$5
sw	$31,24($sp)
jal	av_new_packet
li	$5,1024			# 0x400

bltz	$2,$L210
move	$4,$17

jal	url_ftell
nop

lw	$5,16($16)
sw	$2,48($16)
sw	$3,52($16)
move	$4,$17
sw	$0,24($16)
jal	get_partial_buffer
li	$6,1024			# 0x400

blez	$2,$L217
nop

sw	$2,20($16)
$L215:
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,32

$L210:
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
li	$2,-5			# 0xfffffffffffffffb
j	$31
addiu	$sp,$sp,32

$L217:
lw	$5,36($16)
beq	$5,$0,$L210
move	$4,$16

jal	$5
nop

j	$L215
li	$2,-5			# 0xfffffffffffffffb

.set	macro
.set	reorder
.end	raw_read_partial_packet
.globl	shorten_demuxer
.section	.rodata.str1.4
.align	2
$LC2:
.ascii	"shn\000"
.align	2
$LC3:
.ascii	"raw shorten\000"
.data
.align	2
.type	shorten_demuxer, @object
.size	shorten_demuxer, 64
shorten_demuxer:
.word	$LC2
.word	$LC3
.word	0
.word	0
.word	shorten_read_header
.word	raw_read_partial_packet
.word	raw_read_close
.space	8
.word	256
.word	$LC2
.space	20
.globl	flac_demuxer
.section	.rodata.str1.4
.align	2
$LC4:
.ascii	"flac\000"
.align	2
$LC5:
.ascii	"raw flac\000"
.data
.align	2
.type	flac_demuxer, @object
.size	flac_demuxer, 64
flac_demuxer:
.word	$LC4
.word	$LC5
.word	0
.word	flac_probe
.word	flac_read_header
.word	raw_read_partial_packet
.word	raw_read_close
.space	8
.word	256
.word	$LC4
.space	20
.globl	flac_muxer
.section	.rodata.str1.4
.align	2
$LC6:
.ascii	"audio/x-flac\000"
.data
.align	2
.type	flac_muxer, @object
.size	flac_muxer, 64
flac_muxer:
.word	$LC4
.word	$LC5
.word	$LC6
.word	$LC4
.word	0
.word	86031
.word	0
.word	flac_write_header
.word	raw_write_packet
.space	4
.word	128
.space	20
.globl	ac3_demuxer
.section	.rodata.str1.4
.align	2
$LC7:
.ascii	"ac3\000"
.align	2
$LC8:
.ascii	"raw ac3\000"
.data
.align	2
.type	ac3_demuxer, @object
.size	ac3_demuxer, 64
ac3_demuxer:
.word	$LC7
.word	$LC8
.word	0
.word	ac3_probe
.word	ac3_read_header
.word	raw_read_partial_packet
.word	raw_read_close
.space	8
.word	256
.word	$LC7
.space	20
.globl	ac3_muxer
.section	.rodata.str1.4
.align	2
$LC9:
.ascii	"audio/x-ac3\000"
.data
.align	2
.type	ac3_muxer, @object
.size	ac3_muxer, 64
ac3_muxer:
.word	$LC7
.word	$LC8
.word	$LC9
.word	$LC7
.word	0
.word	86020
.word	0
.word	0
.word	raw_write_packet
.space	4
.word	128
.space	20
.globl	dts_demuxer
.section	.rodata.str1.4
.align	2
$LC10:
.ascii	"dts\000"
.align	2
$LC11:
.ascii	"raw dts\000"
.data
.align	2
.type	dts_demuxer, @object
.size	dts_demuxer, 64
dts_demuxer:
.word	$LC10
.word	$LC11
.word	0
.word	0
.word	dts_read_header
.word	raw_read_partial_packet
.word	raw_read_close
.space	8
.word	256
.word	$LC10
.space	20
.globl	aac_demuxer
.section	.rodata.str1.4
.align	2
$LC12:
.ascii	"aac\000"
.align	2
$LC13:
.ascii	"ADTS AAC\000"
.data
.align	2
.type	aac_demuxer, @object
.size	aac_demuxer, 64
aac_demuxer:
.word	$LC12
.word	$LC13
.word	0
.word	0
.word	aac_read_header
.word	raw_read_partial_packet
.word	raw_read_close
.space	8
.word	256
.word	$LC12
.space	20
.globl	roq_muxer
.section	.rodata.str1.4
.align	2
$LC14:
.ascii	"RoQ\000"
.align	2
$LC15:
.ascii	"Id RoQ format\000"
.align	2
$LC16:
.ascii	"roq\000"
.data
.align	2
.type	roq_muxer, @object
.size	roq_muxer, 64
roq_muxer:
.word	$LC14
.word	$LC15
.word	0
.word	$LC16
.word	0
.word	81920
.word	39
.word	roq_write_header
.word	raw_write_packet
.space	28
.globl	h261_demuxer
.section	.rodata.str1.4
.align	2
$LC17:
.ascii	"h261\000"
.align	2
$LC18:
.ascii	"raw h261\000"
.data
.align	2
.type	h261_demuxer, @object