ad_dvdpcm.mid

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」· MID 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"