ao_mpegpes.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 637 行

.file	1 "ao_mpegpes.c"
.section .mdebug.abi32
.previous
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.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
li	$2,-1			# 0xffffffffffffffff

.set	macro
.set	reorder
.end	control
.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.reset,"ax",@progbits
.align	2
.align	5
.ent	reset
.type	reset, @function
reset:
.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	reset
.section	.text.audio_resume,"ax",@progbits
.align	2
.align	5
.ent	audio_resume
.type	audio_resume, @function
audio_resume:
.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	audio_resume
.globl	__floatsisf
.globl	__extendsfdf2
.globl	__muldf3
.globl	__truncdfsf2
.globl	__lesf2
.globl	__mulsf3
.globl	__fixsfsi
.section	.rodata.cst8,"aM",@progbits,8
.align	3
$LC0:
.word	2074564648
.word	1055345979
.section	.text.get_space,"ax",@progbits
.align	2
.align	5
.ent	get_space
.type	get_space, @function
get_space:
.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	$31,24($sp)
sw	$16,16($sp)
lui	$2,%hi(vo_mpegpes_fd)
lui	$3,%hi(ao_data)
lw	$4,%lo(vo_mpegpes_fd)($2)
addiu	$17,$3,%lo(ao_data)
lui	$2,%hi(vo_pts)
lw	$3,%lo(vo_pts)($2)
li	$5,32000			# 0x7d00
bltz	$4,$L12
lw	$2,24($17)

jal	__floatsisf
subu	$4,$3,$2

jal	__extendsfdf2
move	$4,$2

lui	$4,%hi($LC0)
lw	$6,%lo($LC0)($4)
lw	$7,%lo($LC0+4)($4)
move	$5,$3
jal	__muldf3
move	$4,$2

move	$5,$3
jal	__truncdfsf2
move	$4,$2

move	$4,$2
move	$5,$0
jal	__lesf2
move	$16,$2

blez	$2,$L12
move	$5,$0

lui	$2,%hi(freq)
lw	$4,%lo(freq)($2)
jal	__floatsisf
sll	$4,$4,2

move	$5,$2
jal	__mulsf3
move	$4,$16

jal	__fixsfsi
move	$4,$2

lw	$3,16($17)
li	$5,32000			# 0x7d00
div	$0,$2,$3
teq	$3,$0,7
mflo	$2
mul	$3,$3,$2
slt	$2,$3,32001
movn	$5,$3,$2
$L12:
lw	$31,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$5
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	get_space
.section	.text.get_delay,"ax",@progbits
.align	2
.align	5
.ent	get_delay
.type	get_delay, @function
get_delay:
.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
move	$2,$0

.set	macro
.set	reorder
.end	get_delay
.section	.text.play,"ax",@progbits
.align	2
.align	5
.ent	play
.type	play, @function
play:
.frame	$sp,40,$31		# vars= 0, regs= 2/0, args= 32, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
lui	$7,%hi(ao_data)
sw	$16,32($sp)
sw	$31,36($sp)
addiu	$6,$7,%lo(ao_data)
lw	$3,8($6)
li	$2,192			# 0xc0
move	$9,$4
beq	$3,$2,$L30
move	$16,$5

li	$2,256			# 0x100
beq	$3,$2,$L31
srl	$2,$5,31

$L24:
addiu	$2,$7,%lo(ao_data)
$L32:
lw	$8,24($2)
lui	$3,%hi(freq_id)
sra	$2,$8,31
lw	$7,%lo(freq_id)($3)
sw	$2,20($sp)
lui	$2,%hi(my_ao_write)
move	$5,$16
addiu	$2,$2,%lo(my_ao_write)
move	$4,$9
li	$6,160			# 0xa0
sw	$7,24($sp)
sw	$2,28($sp)
jal	send_mpeg_lpcm_packet
sw	$8,16($sp)

move	$2,$16
lw	$31,36($sp)
lw	$16,32($sp)
j	$31
addiu	$sp,$sp,40

$L31:
addu	$2,$2,$5
sra	$6,$2,1
blez	$6,$L24
move	$5,$0

$L27:
lhu	$2,0($4)
addiu	$5,$5,1
sll	$3,$2,8
srl	$2,$2,8
or	$2,$2,$3
sh	$2,0($4)
bne	$6,$5,$L27
addiu	$4,$4,2

j	$L32
addiu	$2,$7,%lo(ao_data)

$L30:
lw	$7,24($6)
li	$3,1			# 0x1
sra	$2,$7,31
sw	$2,20($sp)
lui	$2,%hi(my_ao_write)
addiu	$2,$2,%lo(my_ao_write)
li	$6,448			# 0x1c0
sw	$3,24($sp)
sw	$2,28($sp)
jal	send_mpeg_pes_packet
sw	$7,16($sp)

move	$2,$16
lw	$31,36($sp)
lw	$16,32($sp)
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	play
.section	.text.my_ao_write,"ax",@progbits
.align	2
.align	5
.ent	my_ao_write
.type	my_ao_write, @function
my_ao_write:
.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	$2,%hi(vo_mpegpes_fd2)
sw	$31,20($sp)
lw	$3,%lo(vo_mpegpes_fd2)($2)
move	$16,$5
move	$6,$5
move	$2,$0
move	$5,$4
bltz	$3,$L36
move	$4,$3

jal	write
nop

move	$2,$16
$L36:
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	my_ao_write
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC1:
.ascii	"card\000"
.align	2
$LC2:
.ascii	"file\000"
.align	2
$LC3:
.ascii	"AO_MPEGPES, Unrecognized options\012\000"
.align	2
$LC4:
.ascii	"DVB card number must be between 1 and 4\012\000"
.align	2
$LC5:
.ascii	"rb\000"
.align	2
$LC6:
.ascii	"ao_mpegpes: %s\012\000"
.align	2
$LC7:
.ascii	"[AO MPEGPES] %d Hz not supported, try to resample.\012\000"
.section	.text.init,"ax",@progbits
.align	2
.align	5
.ent	init
.type	init, @function
init:
.frame	$sp,112,$31		# vars= 72, regs= 5/0, args= 16, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-112
sw	$16,88($sp)
addiu	$16,$sp,24
sw	$19,100($sp)
sw	$18,96($sp)
sw	$17,92($sp)
move	$5,$0
li	$17,1			# 0x1
move	$18,$4
move	$19,$6
move	$4,$16
li	$6,60			# 0x3c
sw	$31,104($sp)
sw	$17,16($sp)
jal	memset
sw	$0,20($sp)

lui	$2,%hi($LC1)
lui	$3,%hi(ao_subdevice)
addiu	$2,$2,%lo($LC1)
lw	$4,%lo(ao_subdevice)($3)
sw	$2,24($sp)
lui	$2,%hi($LC2)
addiu	$3,$sp,16
addiu	$2,$2,%lo($LC2)
sw	$3,32($sp)
sw	$2,44($sp)
li	$3,3			# 0x3
addiu	$2,$sp,20
move	$5,$16
sw	$17,28($sp)
sw	$3,48($sp)
jal	subopt_parse
sw	$2,52($sp)

bne	$2,$0,$L61
lw	$2,16($sp)

addiu	$2,$2,-1
sltu	$3,$2,4
beq	$3,$0,$L62
lw	$4,20($sp)

beq	$4,$0,$L63
sw	$2,16($sp)

lui	$5,%hi($LC5)
jal	BUFF_Open
addiu	$5,$5,%lo($LC5)

lui	$3,%hi(vo_mpegpes_fd2)
bltz	$2,$L64
sw	$2,%lo(vo_mpegpes_fd2)($3)

lui	$16,%hi(ao_data)
$L69:
addiu	$4,$16,%lo(ao_data)
li	$2,2			# 0x2
sw	$2,4($4)
li	$3,2000			# 0x7d0
li	$2,192			# 0xc0
beq	$19,$2,$L50
sw	$3,16($4)

li	$2,256			# 0x100
beq	$19,$2,$L50
li	$2,8			# 0x8

beq	$19,$2,$L50
nop

sw	$2,8($4)
li	$2,44100			# 0xac44
bne	$18,$2,$L67
slt	$2,$2,$18

$L54:
li	$2,131072			# 0x20000
ori	$4,$2,0xb110
li	$3,2			# 0x2
lui	$2,%hi(freq_id)
j	$L58
sw	$3,%lo(freq_id)($2)

$L62:
lui	$6,%hi($LC4)
addiu	$6,$6,%lo($LC4)
li	$4,3			# 0x3
jal	mp_msg
li	$5,1			# 0x1

move	$2,$0
$L41:
lw	$31,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
j	$31
addiu	$sp,$sp,112

$L50:
addiu	$2,$16,%lo(ao_data)
sw	$19,8($2)
li	$2,44100			# 0xac44
beq	$18,$2,$L54
slt	$2,$2,$18

$L67:
bne	$2,$0,$L57
li	$2,48000			# 0xbb80

li	$2,32000			# 0x7d00
beq	$18,$2,$L66
li	$2,65536			# 0x10000

lui	$6,%hi($LC7)
$L68:
move	$7,$18
li	$4,4			# 0x4
addiu	$6,$6,%lo($LC7)
jal	mp_msg
li	$5,1			# 0x1

lui	$2,%hi(freq_id)
li	$3,131072			# 0x20000
sw	$0,%lo(freq_id)($2)
ori	$4,$3,0xee00
li	$18,48000			# 0xbb80
$L58:
addiu	$2,$16,%lo(ao_data)
lui	$3,%hi(freq)
sw	$4,12($2)
sw	$18,%lo(freq)($3)
sw	$18,%lo(ao_data)($16)
lw	$31,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,112

$L61:
lui	$6,%hi($LC3)
addiu	$6,$6,%lo($LC3)
li	$4,3			# 0x3
jal	mp_msg
li	$5,1			# 0x1

lw	$31,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,112

$L57:
beq	$18,$2,$L55
li	$2,65536			# 0x10000

ori	$2,$2,0x7700
bne	$18,$2,$L68
lui	$6,%hi($LC7)

li	$2,327680			# 0x50000
ori	$4,$2,0xdc00
li	$3,1			# 0x1
lui	$2,%hi(freq_id)
j	$L58
sw	$3,%lo(freq_id)($2)

$L63:
lui	$2,%hi(vo_mpegpes_fd)
lw	$3,%lo(vo_mpegpes_fd)($2)
bgez	$3,$L69
lui	$16,%hi(ao_data)

j	$L41
move	$2,$0

$L55:
li	$2,131072			# 0x20000
lui	$3,%hi(freq_id)
ori	$4,$2,0xee00
j	$L58
sw	$0,%lo(freq_id)($3)

$L66:
ori	$4,$2,0xf400
li	$3,3			# 0x3
lui	$2,%hi(freq_id)
j	$L58
sw	$3,%lo(freq_id)($2)

$L64:
jal	__errno_location
nop

jal	strerror
lw	$4,0($2)

lui	$6,%hi($LC6)
move	$7,$2
addiu	$6,$6,%lo($LC6)
li	$4,3			# 0x3
jal	mp_msg
li	$5,1			# 0x1

j	$L41
move	$2,$0

.set	macro
.set	reorder
.end	init
.section	.text.audio_pause,"ax",@progbits
.align	2
.align	5
.ent	audio_pause
.type	audio_pause, @function
audio_pause:
.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	audio_pause
.globl	vo_mpegpes_fd2
.data
.align	2
.type	vo_mpegpes_fd2, @object
.size	vo_mpegpes_fd2, 4
vo_mpegpes_fd2:
.word	-1
.globl	audio_out_mpegpes
.align	2
.type	audio_out_mpegpes, @object
.size	audio_out_mpegpes, 40
audio_out_mpegpes:
.word	info
.word	control
.word	init
.word	uninit
.word	reset
.word	get_space
.word	play
.word	get_delay
.word	audio_pause
.word	audio_resume
.local	freq_id
.comm	freq_id,4,4
.local	freq
.comm	freq,4,4
.section	.rodata.str1.4
.align	2
$LC8:
.ascii	"Mpeg-PES audio output\000"
.align	2
$LC9:
.ascii	"mpegpes\000"
.align	2
$LC10:
.ascii	"A'rpi\000"
.subsection	-1
.align	2
$LC11:
.ascii	"\000"
.data
.align	2
.type	info, @object
.size	info, 16
info:
.word	$LC8
.word	$LC9
.word	$LC10
.word	$LC11
.ident	"GCC: (GNU) 4.1.2"