ad_dvdpcm.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 431 行

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

li	$2,2048			# 0x800
sw	$2,64($4)
j	$31
li	$2,1			# 0x1

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

j	$31
nop

.set	macro
.set	reorder
.end	uninit
.section	.text.decode_audio,"ax",@progbits
.align	2
.align	5
.ent	decode_audio
.type	decode_audio, @function
decode_audio:
.frame	$sp,72,$31		# vars= 24, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$19,52($sp)
sw	$18,48($sp)
sw	$31,64($sp)
sw	$21,60($sp)
sw	$20,56($sp)
sw	$17,44($sp)
sw	$16,40($sp)
lw	$3,32($4)
li	$2,3			# 0x3
move	$18,$4
beq	$3,$2,$L25
move	$19,$6

addiu	$2,$6,3
lw	$4,4($18)
li	$6,-4			# 0xfffffffffffffffc
jal	demux_read_data
and	$6,$2,$6

$L19:
lw	$31,64($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,72

$L25:
lw	$2,164($18)
lbu	$3,1($2)
li	$2,1			# 0x1
srl	$3,$3,6
beq	$3,$2,$L26
nop

blez	$6,$L11
move	$16,$5

addiu	$20,$sp,26
j	$L16
move	$17,$0

$L27:
lbu	$4,34($sp)
lbu	$5,28($sp)
lbu	$6,29($sp)
lbu	$7,35($sp)
lbu	$8,30($sp)
lbu	$9,31($sp)
lbu	$10,36($sp)
lbu	$11,32($sp)
lbu	$12,33($sp)
lbu	$13,37($sp)
lbu	$2,26($sp)
addiu	$17,$17,12
slt	$14,$17,$19
sb	$2,0($16)
sb	$3,1($16)
sb	$4,2($16)
sb	$5,3($16)
sb	$6,4($16)
sb	$7,5($16)
sb	$8,6($16)
sb	$9,7($16)
sb	$10,8($16)
sb	$11,9($16)
sb	$12,10($16)
sb	$13,11($16)
beq	$14,$0,$L14
addiu	$16,$16,12

$L16:
lw	$4,4($18)
move	$5,$20
jal	demux_read_data
li	$6,12			# 0xc

slt	$2,$2,12
beq	$2,$0,$L27
lbu	$3,27($sp)

$L14:
move	$2,$17
$L29:
lw	$31,64($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,72

$L26:
blez	$6,$L11
move	$16,$5

addiu	$21,$sp,16
move	$17,$0
j	$L13
li	$20,-16

$L28:
lbu	$4,25($sp)
lbu	$6,17($sp)
lbu	$7,18($sp)
lbu	$8,19($sp)
lbu	$10,20($sp)
lbu	$11,21($sp)
lbu	$13,22($sp)
lbu	$14,23($sp)
lbu	$2,16($sp)
addiu	$17,$17,12
sll	$5,$3,4
sll	$12,$4,4
and	$3,$3,$20
and	$4,$4,$20
slt	$9,$17,$19
sb	$2,0($16)
sb	$6,1($16)
sb	$3,2($16)
sb	$7,3($16)
sb	$8,4($16)
sb	$5,5($16)
sb	$10,6($16)
sb	$11,7($16)
sb	$4,8($16)
sb	$13,9($16)
sb	$14,10($16)
sb	$12,11($16)
beq	$9,$0,$L14
addiu	$16,$16,12

$L13:
lw	$4,4($18)
move	$5,$21
jal	demux_read_data
li	$6,10			# 0xa

slt	$2,$2,10
beq	$2,$0,$L28
lbu	$3,24($sp)

j	$L29
move	$2,$17

$L11:
j	$L19
move	$2,$0

.set	macro
.set	reorder
.end	decode_audio
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.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
li	$2,2			# 0x2
sw	$31,16($sp)
li	$3,-1			# 0xffffffffffffffff
beq	$5,$2,$L36
sw	$7,36($sp)

lw	$31,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

$L36:
lw	$2,44($4)
li	$6,-4			# 0xfffffffffffffffc
slt	$3,$2,0
addiu	$5,$2,15
movn	$2,$5,$3
sra	$2,$2,4
lw	$4,4($4)
and	$6,$2,$6
jal	demux_read_data
move	$5,$0

li	$3,1			# 0x1
lw	$31,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	control
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Samples of this format are needed to improve support. Pl"
.ascii	"ease contact the developers.\012\000"
.section	.text.init,"ax",@progbits
.align	2
.align	5
.ent	init
.type	init, @function
init:
.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)
sw	$31,20($sp)
lw	$5,168($4)
li	$2,3			# 0x3
move	$16,$4
beq	$5,$2,$L54
sw	$0,44($4)

li	$3,48000			# 0xbb80
li	$2,2			# 0x2
sw	$3,28($4)
li	$4,8			# 0x8
sw	$4,24($16)
sw	$2,32($16)
sw	$2,36($16)
$L50:
lw	$2,44($16)
bne	$2,$0,$L57
lw	$31,20($sp)

lw	$2,32($16)
lw	$3,36($16)
lw	$4,28($16)
mul	$2,$2,$3
mul	$2,$2,$4
sw	$2,44($16)
lw	$31,20($sp)
$L57:
lw	$16,16($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,24

$L54:
lw	$2,164($4)
lbu	$6,1($2)
srl	$2,$6,4
andi	$3,$6,0x7
addiu	$3,$3,1
andi	$4,$2,0x3
li	$2,1			# 0x1
beq	$4,$2,$L42
sw	$3,36($16)

slt	$2,$4,2
bne	$2,$0,$L55
li	$2,2			# 0x2

beq	$4,$2,$L43
li	$2,44100			# 0xac44

beq	$4,$5,$L56
li	$2,32000			# 0x7d00

$L40:
srl	$3,$6,6
$L58:
li	$2,1			# 0x1
beq	$3,$2,$L48
li	$4,2			# 0x2

beq	$3,$4,$L49
li	$2,8			# 0x8

sw	$2,24($16)
j	$L50
sw	$4,32($16)

$L48:
lui	$6,%hi($LC0)
li	$4,12			# 0xc
addiu	$6,$6,%lo($LC0)
jal	mp_msg
li	$5,4			# 0x4

lw	$2,36($16)
lw	$4,28($16)
sll	$3,$2,2
addu	$3,$3,$2
mul	$3,$3,$4
srl	$2,$3,31
addu	$2,$2,$3
sra	$2,$2,1
sw	$2,44($16)
$L49:
li	$2,16			# 0x10
li	$3,3			# 0x3
sw	$2,24($16)
j	$L50
sw	$3,32($16)

$L42:
li	$2,65536			# 0x10000
ori	$2,$2,0x7700
j	$L40
sw	$2,28($16)

$L55:
bne	$4,$0,$L58
srl	$3,$6,6

li	$2,48000			# 0xbb80
j	$L58
sw	$2,28($16)

$L43:
j	$L40
sw	$2,28($16)

$L56:
j	$L40
sw	$2,28($16)

.set	macro
.set	reorder
.end	init
.globl	mpcodecs_ad_dvdpcm
.data
.align	2
.type	mpcodecs_ad_dvdpcm, @object
.size	mpcodecs_ad_dvdpcm, 24
mpcodecs_ad_dvdpcm:
.word	info
.word	preinit
.word	init
.word	uninit
.word	control
.word	decode_audio
.section	.rodata.str1.4
.align	2
$LC1:
.ascii	"Uncompressed DVD/VOB LPCM audio decoder\000"
.align	2
$LC2:
.ascii	"dvdpcm\000"
.align	2
$LC3:
.ascii	"Nick Kurshev\000"
.align	2
$LC4:
.ascii	"A'rpi\000"
.subsection	-1
.align	2
$LC5:
.ascii	"\000"
.data
.align	2
.type	info, @object
.size	info, 20
info:
.word	$LC1
.word	$LC2
.word	$LC3
.word	$LC4
.word	$LC5
.ident	"GCC: (GNU) 4.1.2"