sierravmd.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 1,134 行 · 第 1/2 页

.file	1 "sierravmd.c"
.section .mdebug.abi32
.previous
.section	.text.vmd_probe,"ax",@progbits
.align	2
.align	5
.ent	vmd_probe
.type	vmd_probe, @function
vmd_probe:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lw	$2,4($4)
lbu	$3,1($2)
lbu	$4,0($2)
sll	$3,$3,8
or	$3,$3,$4
xori	$3,$3,0x32e
li	$2,50			# 0x32
j	$31
movn	$2,$0,$3

.set	macro
.set	reorder
.end	vmd_probe
.section	.text.vmd_read_close,"ax",@progbits
.align	2
.align	5
.ent	vmd_read_close
.type	vmd_read_close, @function
vmd_read_close:
.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	$2,12($4)
jal	av_free
lw	$4,16($2)

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

.set	macro
.set	reorder
.end	vmd_read_close
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"video\000"
.align	2
$LC1:
.ascii	"audio\000"
.align	2
$LC2:
.ascii	" dispatching %s frame with %d bytes and pts %lld\012\000"
.section	.text.vmd_read_packet,"ax",@progbits
.align	2
.align	5
.ent	vmd_read_packet
.type	vmd_read_packet, @function
vmd_read_packet:
.frame	$sp,56,$31		# vars= 0, regs= 5/0, args= 32, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
sw	$18,40($sp)
sw	$31,48($sp)
sw	$19,44($sp)
sw	$17,36($sp)
sw	$16,32($sp)
lw	$16,12($4)
move	$8,$4
lw	$3,20($16)
lw	$2,8($16)
sltu	$2,$3,$2
bne	$2,$0,$L9
move	$18,$5

li	$17,-5			# 0xfffffffffffffffb
$L11:
move	$2,$17
lw	$31,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
j	$31
addiu	$sp,$sp,56

$L9:
lw	$4,16($16)
sll	$2,$3,6
sll	$3,$3,3
subu	$2,$2,$3
addu	$19,$2,$4
lw	$6,8($19)
lw	$7,12($19)
addiu	$17,$8,16
move	$4,$17
jal	url_fseek
sw	$0,16($sp)

lw	$5,16($19)
move	$4,$18
jal	av_new_packet
addiu	$5,$5,16

beq	$2,$0,$L12
nop

j	$L11
li	$17,-12			# 0xfffffffffffffff4

$L12:
jal	url_ftell
move	$4,$17

lw	$4,16($18)
sw	$3,52($18)
addiu	$5,$19,36
li	$6,16			# 0x10
jal	memcpy
sw	$2,48($18)

lw	$5,16($18)
lw	$6,16($19)
move	$4,$17
jal	get_buffer
addiu	$5,$5,16

move	$17,$2
lw	$2,16($19)
beq	$17,$2,$L14
nop

lw	$2,36($18)
beq	$2,$0,$L14
li	$17,-5			# 0xfffffffffffffffb

jal	$2
move	$4,$18

li	$17,-5			# 0xfffffffffffffffb
$L14:
lw	$2,0($19)
lw	$8,24($19)
lw	$9,28($19)
sw	$2,24($18)
sw	$8,0($18)
sw	$9,4($18)
lbu	$3,36($19)
li	$2,2			# 0x2
beq	$3,$2,$L24
lui	$2,%hi($LC1)

addiu	$7,$2,%lo($LC1)
$L20:
lw	$2,16($19)
lui	$6,%hi($LC2)
addiu	$2,$2,16
addiu	$6,$6,%lo($LC2)
move	$4,$0
li	$5,2			# 0x2
sw	$2,16($sp)
sw	$8,24($sp)
jal	av_log
sw	$9,28($sp)

lw	$2,20($16)
addiu	$2,$2,1
j	$L11
sw	$2,20($16)

$L24:
lui	$2,%hi($LC0)
j	$L20
addiu	$7,$2,%lo($LC0)

.set	macro
.set	reorder
.end	vmd_read_packet
.section	.rodata.str1.4
.align	2
$LC3:
.ascii	"vmd->frame_count * vmd->frames_per_block too large\012\000"
.align	2
$LC4:
.ascii	"Sound mapping = %08X (%i bufs)\012\000"
.section	.text.vmd_read_header,"ax",@progbits
.align	2
.align	5
.ent	vmd_read_header
.type	vmd_read_header, @function
vmd_read_header:
.frame	$sp,160,$31		# vars= 88, regs= 10/0, args= 32, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-160
sw	$31,156($sp)
sw	$21,140($sp)
sw	$18,128($sp)
sw	$17,124($sp)
sw	$fp,152($sp)
sw	$23,148($sp)
sw	$22,144($sp)
sw	$20,136($sp)
sw	$19,132($sp)
sw	$16,120($sp)
lw	$20,12($4)
addiu	$21,$4,16
sw	$4,160($sp)
move	$6,$0
move	$7,$0
move	$4,$21
addiu	$18,$20,44
.set	noreorder
.set	nomacro
jal	url_fseek
sw	$0,16($sp)
.set	macro
.set	reorder

move	$4,$21
move	$5,$18
.set	noreorder
.set	nomacro
jal	get_buffer
li	$6,816			# 0x330
.set	macro
.set	reorder

move	$17,$2
li	$2,816			# 0x330
.set	noreorder
.set	nomacro
beq	$17,$2,$L87
li	$2,-5			# 0xfffffffffffffffb
.set	macro
.set	reorder

$L28:
lw	$31,156($sp)
lw	$fp,152($sp)
lw	$23,148($sp)
lw	$22,144($sp)
lw	$21,140($sp)
lw	$20,136($sp)
lw	$19,132($sp)
lw	$18,128($sp)
lw	$17,124($sp)
lw	$16,120($sp)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,160
.set	macro
.set	reorder

$L87:
lw	$4,160($sp)
.set	noreorder
.set	nomacro
jal	av_new_stream
move	$5,$0
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$2,$0,$L29
move	$19,$2
.set	macro
.set	reorder

move	$4,$2
li	$5,33			# 0x21
li	$6,1			# 0x1
.set	noreorder
.set	nomacro
jal	av_set_pts_info
li	$7,10			# 0xa
.set	macro
.set	reorder

lw	$16,8($19)
lw	$2,0($19)
li	$3,53			# 0x35
sw	$2,0($20)
sw	$3,228($16)
sw	$0,224($16)
sw	$0,232($16)
lbu	$2,13($18)
lbu	$3,12($18)
sll	$2,$2,8
or	$2,$2,$3
sw	$2,40($16)
lbu	$3,15($18)
lbu	$2,14($18)
sll	$3,$3,8
or	$3,$3,$2
sw	$3,44($16)
li	$4,824			# 0x338
.set	noreorder
.set	nomacro
jal	av_mallocz
sw	$17,28($16)
.set	macro
.set	reorder

lw	$3,8($19)
sw	$2,24($16)
lw	$4,24($3)
andi	$2,$4,0x3
.set	noreorder
.set	nomacro
bne	$2,$0,$L95
move	$5,$18
.set	macro
.set	reorder

andi	$2,$18,0x3
bne	$2,$0,$L31
addiu	$5,$4,796
addiu	$4,$4,-4
sltu	$2,$4,$5
.set	noreorder
.set	nomacro
beq	$2,$0,$L34
addiu	$3,$20,40
.set	macro
.set	reorder

$L79:
#APP
.word	0b01110000011000000000010001010100	#S32LDI XR1,$3,4
.word	0b01110000011000000000010010010100	#S32LDI XR2,$3,4
.word	0b01110000011000000000010011010100	#S32LDI XR3,$3,4
.word	0b01110000011000000000010100010100	#S32LDI XR4,$3,4
.word	0b01110000011000000000010101010100	#S32LDI XR5,$3,4
.word	0b01110000011000000000010110010100	#S32LDI XR6,$3,4
.word	0b01110000011000000000010111010100	#S32LDI XR7,$3,4
.word	0b01110000011000000000011000010100	#S32LDI XR8,$3,4
.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,$5
bne	$2,$0,$L79
$L34:
addiu	$5,$5,16
sltu	$2,$4,$5
beq	$2,$0,$L36
$L80:
#APP
.word	0b01110000011000000000010001010100	#S32LDI XR1,$3,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
#NO_APP
sltu	$2,$4,$5
bne	$2,$0,$L80
$L36:
lbu	$2,805($18)
$L94:
lbu	$3,804($18)
sll	$2,$2,8
or	$2,$2,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L38
sw	$2,24($20)
.set	macro
.set	reorder

li	$2,1			# 0x1
move	$3,$0
sw	$2,80($sp)
sw	$3,84($sp)
$L40:
lbu	$2,7($18)
lbu	$4,6($18)
sll	$2,$2,8
or	$7,$2,$4
lbu	$8,812($18)
lbu	$3,815($18)
lbu	$2,814($18)
lbu	$6,813($18)
sw	$7,8($20)
lbu	$4,19($18)
lbu	$5,18($18)
sll	$2,$2,16
sll	$3,$3,24
or	$3,$3,$2
sll	$4,$4,8
or	$5,$4,$5
or	$3,$3,$8
sll	$6,$6,8
sw	$5,12($20)
or	$6,$6,$3
move	$7,$0
move	$4,$21
.set	noreorder
.set	nomacro
jal	url_fseek
sw	$0,16($sp)
.set	macro
.set	reorder

lw	$4,8($20)
sw	$0,16($20)
sll	$2,$4,3
sll	$4,$4,1
subu	$16,$2,$4
move	$4,$16
lbu	$19,808($18)
.set	noreorder
.set	nomacro
jal	av_malloc
lbu	$17,809($18)
.set	macro
.set	reorder

lw	$4,8($20)
lw	$3,12($20)
sw	$2,56($sp)
mul	$4,$4,$3
li	$2,76677120			# 0x4920000
ori	$2,$2,0x4924
sltu	$2,$4,$2
.set	noreorder
.set	nomacro
beq	$2,$0,$L88
lui	$6,%hi($LC3)
.set	macro
.set	reorder

sll	$2,$17,8
or	$2,$2,$19
addu	$4,$4,$2
sw	$2,64($sp)
sll	$2,$4,6
sll	$4,$4,3
.set	noreorder
.set	nomacro
jal	av_malloc
subu	$4,$2,$4
.set	macro
.set	reorder

move	$6,$2
lw	$2,56($sp)
sw	$6,16($20)
.set	noreorder
.set	nomacro
beq	$2,$0,$L50
sw	$2,100($sp)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$6,$0,$L50
lw	$5,100($sp)
.set	macro
.set	reorder

move	$4,$21
.set	noreorder
.set	nomacro
jal	get_buffer
move	$6,$16
.set	macro
.set	reorder

bne	$16,$2,$L53
lw	$7,8($20)
.set	noreorder
.set	nomacro
beq	$7,$0,$L89
lw	$3,64($sp)
.set	macro
.set	reorder

move	$8,$0
addiu	$3,$3,-1
move	$9,$0
lw	$5,12($20)
sw	$3,108($sp)
sw	$0,96($sp)
sw	$0,88($sp)
sw	$8,72($sp)
sw	$9,76($sp)
move	$22,$0
move	$23,$0
$L57:
lw	$9,56($sp)
lbu	$2,5($9)
lbu	$3,4($9)
lbu	$6,3($9)
.set	noreorder
.set	nomacro
beq	$5,$0,$L58
lbu	$4,2($9)
.set	macro
.set	reorder

sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
or	$2,$2,$4
sll	$3,$6,8
or	$3,$3,$2
move	$18,$3
sra	$19,$3,31
.set	noreorder
.set	nomacro
j	$L60
sw	$0,92($sp)
.set	macro
.set	reorder

$L92:
.set	noreorder
.set	nomacro
beq	$3,$2,$L90
lw	$2,88($sp)
.set	macro
.set	reorder

$L63:
lw	$2,112($sp)
move	$3,$0
addu	$4,$18,$2
sltu	$6,$4,$18
addu	$5,$19,$3
addu	$5,$6,$5
move	$18,$4
move	$19,$5
$L61:
lw	$9,92($sp)
lw	$5,12($20)
addiu	$9,$9,1
sltu	$2,$9,$5
.set	noreorder
.set	nomacro
beq	$2,$0,$L91
sw	$9,92($sp)
.set	macro
.set	reorder

$L60:
move	$4,$21