af_extrastereo.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 484 行

.file	1 "af_extrastereo.c"
.section .mdebug.abi32
.previous
.globl	__floatsisf
.globl	__mulsf3
.globl	__fixsfsi
.section	.text.play_s16,"ax",@progbits
.align	2
.align	5
.ent	play_s16
.type	play_s16, @function
play_s16:
.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
sw	$22,40($sp)
sw	$31,52($sp)
sw	$fp,48($sp)
sw	$23,44($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$3,4($5)
sw	$5,60($sp)
srl	$2,$3,31
addu	$2,$2,$3
sra	$22,$2,1
lw	$4,16($4)
blez	$22,$L2
lw	$19,0($5)

lw	$21,0($4)
move	$20,$0
li	$fp,32768			# 0x8000
li	$23,-32768			# 0xffffffffffff8000
$L4:
lh	$4,0($19)
lh	$18,2($19)
addu	$2,$4,$18
srl	$16,$2,31
addu	$16,$16,$2
sra	$16,$16,1
jal	__floatsisf
subu	$4,$4,$16

move	$5,$2
jal	__mulsf3
move	$4,$21

jal	__fixsfsi
move	$4,$2

subu	$4,$18,$16
jal	__floatsisf
addu	$17,$16,$2

move	$5,$2
jal	__mulsf3
move	$4,$21

jal	__fixsfsi
move	$4,$2

slt	$3,$17,-32768
move	$4,$23
movz	$4,$17,$3
slt	$17,$17,$fp
li	$5,32767			# 0x7fff
beq	$17,$0,$L7
addu	$16,$16,$2

sll	$5,$4,16
sra	$5,$5,16
$L7:
slt	$2,$16,-32768
slt	$3,$16,$fp
li	$4,32767			# 0x7fff
movn	$16,$23,$2
beq	$3,$0,$L10
sh	$5,0($19)

sll	$4,$16,16
sra	$4,$4,16
$L10:
addiu	$20,$20,2
slt	$2,$20,$22
sh	$4,2($19)
bne	$2,$0,$L4
addiu	$19,$19,4

$L2:
lw	$2,60($sp)
lw	$31,52($sp)
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($sp)
lw	$21,36($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,56

.set	macro
.set	reorder
.end	play_s16
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC0:
.word	1075838976
.section	.text.af_open,"ax",@progbits
.align	2
.align	5
.ent	af_open
.type	af_open, @function
af_open:
.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
lui	$2,%hi(control)
sw	$16,16($sp)
addiu	$2,$2,%lo(control)
move	$16,$4
sw	$31,20($sp)
lui	$3,%hi(uninit)
sw	$2,4($16)
lui	$2,%hi(play_s16)
li	$4,1			# 0x1
addiu	$3,$3,%lo(uninit)
addiu	$2,$2,%lo(play_s16)
sw	$3,8($16)
sw	$4,44($16)
sw	$4,40($16)
li	$5,24			# 0x18
jal	uc_calloc
sw	$2,12($16)

sw	$2,20($16)
li	$4,1			# 0x1
jal	uc_calloc
li	$5,4			# 0x4

move	$4,$2
lw	$2,20($16)
bne	$2,$0,$L20
sw	$4,16($16)

$L15:
li	$5,-2			# 0xfffffffffffffffe
lw	$31,20($sp)
lw	$16,16($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,24

$L20:
beq	$4,$0,$L15
li	$5,1			# 0x1

lui	$2,%hi($LC0)
lw	$3,%lo($LC0)($2)
move	$2,$5
sw	$3,0($4)
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	af_open
.section	.text.uninit,"ax",@progbits
.align	2
.align	5
.ent	uninit
.type	uninit, @function
uninit:
.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	$2,20($4)
move	$16,$4
beq	$2,$0,$L22
move	$4,$2

jal	uc_free
nop

$L22:
lw	$2,16($16)
beq	$2,$0,$L26
move	$4,$2

lw	$31,20($sp)
lw	$16,16($sp)
j	uc_free
addiu	$sp,$sp,24

$L26:
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	uninit
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC1:
.ascii	"%f\000"
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.frame	$sp,32,$31		# vars= 8, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
li	$2,536870912			# 0x20000000
sw	$31,28($sp)
sw	$16,24($sp)
ori	$2,$2,0x300
move	$7,$4
beq	$5,$2,$L30
lw	$16,16($4)

slt	$2,$2,$5
beq	$2,$0,$L40
li	$2,268435456			# 0x10000000

li	$3,1073741824			# 0x40000000
ori	$2,$3,0x2100
beq	$5,$2,$L31
ori	$2,$3,0x2101

beq	$5,$2,$L32
li	$3,1			# 0x1

li	$3,-1			# 0xffffffffffffffff
$L34:
lw	$31,28($sp)
lw	$16,24($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,32

$L40:
ori	$2,$2,0x100
bne	$5,$2,$L34
li	$3,-1			# 0xffffffffffffffff

beq	$6,$0,$L41
li	$8,2			# 0x2

lw	$5,20($4)
lw	$2,8($6)
lw	$3,16($6)
sw	$2,8($5)
li	$2,29			# 0x1d
beq	$3,$2,$L42
sw	$8,12($5)

$L37:
lui	$2,%hi(play_s16)
li	$3,9			# 0x9
addiu	$2,$2,%lo(play_s16)
sw	$3,16($5)
sw	$8,20($5)
sw	$2,12($7)
jal	af_test_output
move	$5,$6

j	$L34
move	$3,$2

$L30:
lui	$5,%hi($LC1)
move	$4,$6
addiu	$5,$5,%lo($LC1)
jal	sscanf
addiu	$6,$sp,16

lw	$2,16($sp)
li	$3,1			# 0x1
sw	$2,0($16)
lw	$31,28($sp)
lw	$16,24($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,32

$L32:
lw	$2,0($16)
j	$L34
sw	$2,0($6)

$L31:
lw	$2,0($6)
li	$3,1			# 0x1
sw	$2,0($16)
lw	$31,28($sp)
lw	$16,24($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,32

$L42:
lui	$2,%hi(play_float)
sw	$3,16($5)
addiu	$2,$2,%lo(play_float)
li	$3,4			# 0x4
sw	$3,20($5)
j	$L37
sw	$2,12($4)

$L41:
j	$L34
li	$3,-2			# 0xfffffffffffffffe

.set	macro
.set	reorder
.end	control
.globl	__addsf3
.globl	__subsf3
.section	.rodata.cst4
.align	2
$LC2:
.word	1056964608
.section	.text.play_float,"ax",@progbits
.align	2
.align	5
.ent	play_float
.type	play_float, @function
play_float:
.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
sw	$22,40($sp)
sw	$31,52($sp)
sw	$fp,48($sp)
sw	$23,44($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$19,28($sp)
sw	$18,24($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$2,4($5)
lw	$23,16($4)
slt	$3,$2,0
addiu	$4,$2,3
movn	$2,$4,$3
sra	$22,$2,2
sw	$5,60($sp)
blez	$22,$L45
lw	$20,0($5)

move	$21,$0
lui	$fp,%hi($LC2)
$L47:
lw	$17,0($20)
lw	$19,4($20)
move	$4,$17
jal	__addsf3
move	$5,$19

lw	$5,%lo($LC2)($fp)
jal	__mulsf3
move	$4,$2

move	$5,$2
lw	$18,0($23)
move	$4,$17
jal	__subsf3
move	$16,$2

move	$5,$2
jal	__mulsf3
move	$4,$18

move	$5,$2
jal	__addsf3
move	$4,$16

jal	af_softclip
move	$4,$2

sw	$2,0($20)
move	$4,$19
jal	__subsf3
move	$5,$16

move	$5,$2
jal	__mulsf3
move	$4,$18

move	$5,$2
jal	__addsf3
move	$4,$16

addiu	$21,$21,2
jal	af_softclip
move	$4,$2

slt	$3,$21,$22
sw	$2,4($20)
bne	$3,$0,$L47
addiu	$20,$20,8

$L45:
lw	$2,60($sp)
lw	$31,52($sp)
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($sp)
lw	$21,36($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,56

.set	macro
.set	reorder
.end	play_float
.globl	af_info_extrastereo
.section	.rodata.str1.4
.align	2
$LC3:
.ascii	"Extra stereo\000"
.align	2
$LC4:
.ascii	"extrastereo\000"
.align	2
$LC5:
.ascii	"Alex Beregszaszi & Pierre Lombard\000"
.subsection	-1
.align	2
$LC6:
.ascii	"\000"
.data
.align	2
.type	af_info_extrastereo, @object
.size	af_info_extrastereo, 24
af_info_extrastereo:
.word	$LC3
.word	$LC4
.word	$LC5
.word	$LC6
.word	1
.word	af_open
.ident	"GCC: (GNU) 4.1.2"