dec_audio.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 2,752 行 · 第 1/3 页

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

lw	$2,16($4)
li	$5,1			# 0x1
move	$6,$0
bne	$2,$0,$L6
sw	$0,56($4)

j	$31
nop

$L6:
lw	$2,96($4)
lw	$25,16($2)
jr	$25
nop

.set	macro
.set	reorder
.end	resync_audio_stream
.section	.text.skip_audio_frame,"ax",@progbits
.align	2
.align	5
.globl	skip_audio_frame
.ent	skip_audio_frame
.type	skip_audio_frame, @function
skip_audio_frame:
.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	$2,16($4)
move	$16,$4
li	$5,2			# 0x2
bne	$2,$0,$L14
move	$6,$0

$L13:
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

$L14:
lw	$3,96($4)
lw	$2,16($3)
jal	$2
nop

li	$3,1			# 0x1
beq	$2,$3,$L13
lw	$31,20($sp)

lw	$4,4($16)
lw	$16,16($sp)
j	ds_fill_buffer
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	skip_audio_frame
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Available (compiled-in) audio codec families/drivers:\012"
.ascii	"\000"
.align	2
$LC1:
.ascii	"ID_AUDIO_DRIVERS\012\000"
.align	2
$LC2:
.ascii	"    afm:    info:  (comment)\012\000"
.align	2
$LC3:
.ascii	"%9s  %s (%s)\012\000"
.align	2
$LC4:
.ascii	"%9s  %s\012\000"
.section	.text.afm_help,"ax",@progbits
.align	2
.align	5
.globl	afm_help
.ent	afm_help
.type	afm_help, @function
afm_help:
.frame	$sp,40,$31		# vars= 0, regs= 4/0, args= 24, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$6,%hi($LC0)
addiu	$sp,$sp,-40
addiu	$6,$6,%lo($LC0)
li	$4,12			# 0xc
li	$5,4			# 0x4
sw	$31,36($sp)
sw	$18,32($sp)
sw	$17,28($sp)
jal	mp_msg
sw	$16,24($sp)

lui	$6,%hi($LC1)
addiu	$6,$6,%lo($LC1)
li	$4,41			# 0x29
jal	mp_msg
li	$5,4			# 0x4

lui	$6,%hi($LC2)
addiu	$6,$6,%lo($LC2)
li	$4,12			# 0xc
jal	mp_msg
li	$5,4			# 0x4

lui	$2,%hi(mpcodecs_ad_drivers)
lw	$3,%lo(mpcodecs_ad_drivers)($2)
beq	$3,$0,$L23
lui	$2,%hi(mpcodecs_ad_drivers+4)

addiu	$16,$2,%lo(mpcodecs_ad_drivers+4)
lui	$18,%hi($LC3)
j	$L18
lui	$17,%hi($LC4)

$L19:
lw	$7,4($3)
lw	$2,0($3)
jal	mp_msg
sw	$2,16($sp)

lw	$3,0($16)
beq	$3,$0,$L23
addiu	$16,$16,4

$L18:
lw	$3,0($3)
li	$4,12			# 0xc
lw	$8,16($3)
li	$5,4			# 0x4
beq	$8,$0,$L19
addiu	$6,$17,%lo($LC4)

lb	$2,0($8)
beq	$2,$0,$L19
nop

lw	$7,4($3)
lw	$2,0($3)
addiu	$6,$18,%lo($LC3)
sw	$8,20($sp)
jal	mp_msg
sw	$2,16($sp)

lw	$3,0($16)
bne	$3,$0,$L18
addiu	$16,$16,4

$L23:
lw	$31,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	afm_help
.section	.rodata.str1.4
.align	2
$LC5:
.ascii	"\012decaudio: minlen=%d maxlen=%d declen=%d (max=%d)\012"
.ascii	"\000"
.align	2
$LC6:
.ascii	"decaudio: decoding %d bytes, max: %d (%d)\012\000"
.align	2
$LC7:
.ascii	"decaudio: declen=%d out=%d (max %d)\012\000"
.align	2
$LC8:
.ascii	"%i bytes of audio data lost due to buffer overflow, len "
.ascii	"= %i\012\000"
.section	.text.decode_audio,"ax",@progbits
.align	2
.align	5
.globl	decode_audio
.ent	decode_audio
.type	decode_audio, @function
decode_audio:
.frame	$sp,96,$31		# vars= 24, regs= 9/0, args= 32, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-96
sw	$22,80($sp)
sw	$21,76($sp)
sw	$18,64($sp)
sw	$16,56($sp)
sw	$31,88($sp)
sw	$23,84($sp)
sw	$20,72($sp)
sw	$19,68($sp)
sw	$17,60($sp)
lw	$2,16($4)
move	$18,$4
move	$22,$5
move	$16,$6
move	$21,$7
beq	$2,$0,$L26
lw	$19,96($4)

lw	$3,92($4)
bne	$3,$0,$L28
nop

lw	$2,20($19)
jal	$2
nop

move	$17,$2
$L30:
move	$2,$17
$L47:
lw	$31,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
j	$31
addiu	$sp,$sp,96

$L28:
lw	$2,76($4)
lw	$7,64($4)
move	$5,$6
move	$4,$3
subu	$7,$2,$7
jal	af_calc_insize_constrained
move	$6,$21

move	$20,$2
lui	$6,%hi($LC5)
lw	$2,76($18)
addiu	$6,$6,%lo($LC5)
move	$7,$16
li	$4,12			# 0xc
li	$5,7			# 0x7
sw	$2,24($sp)
sw	$21,16($sp)
jal	mp_msg
sw	$20,20($sp)

bgtz	$20,$L44
nop

$L26:
li	$17,-1			# 0xffffffffffffffff
move	$2,$17
lw	$31,88($sp)
lw	$23,84($sp)
lw	$22,80($sp)
lw	$21,76($sp)
lw	$20,72($sp)
lw	$19,68($sp)
lw	$18,64($sp)
lw	$17,60($sp)
lw	$16,56($sp)
j	$31
addiu	$sp,$sp,96

$L44:
lw	$4,72($18)
slt	$2,$4,$20
beq	$2,$0,$L32
nop

j	$L33
lui	$23,%hi($LC6)

$L45:
lw	$3,72($18)
lw	$5,68($18)
lw	$2,20($19)
jal	$2
addu	$5,$5,$3

blez	$2,$L34
move	$3,$2

lw	$2,72($18)
addu	$4,$3,$2
slt	$3,$4,$20
beq	$3,$0,$L32
sw	$4,72($18)

$L33:
lw	$16,76($18)
subu	$17,$20,$4
lw	$2,64($18)
subu	$16,$16,$4
move	$7,$17
addiu	$6,$23,%lo($LC6)
li	$4,12			# 0xc
li	$5,7			# 0x7
sw	$2,20($sp)
jal	mp_msg
sw	$16,16($sp)

lw	$2,64($18)
move	$6,$17
addu	$17,$17,$2
move	$7,$16
slt	$16,$16,$17
beq	$16,$0,$L45
move	$4,$18

$L34:
lw	$3,72($18)
slt	$2,$3,$20
movn	$20,$3,$2
$L32:
lw	$3,28($18)
lw	$5,36($18)
lw	$6,24($18)
lw	$2,68($18)
addiu	$16,$sp,32
move	$4,$16
sw	$2,32($sp)
sw	$3,40($sp)
sw	$5,44($sp)
sw	$6,48($sp)
jal	af_fix_parameters
sw	$20,36($sp)

lw	$4,92($18)
jal	af_play
move	$5,$16

beq	$2,$0,$L26
move	$19,$2

lw	$2,4($2)
lui	$6,%hi($LC7)
addiu	$6,$6,%lo($LC7)
li	$4,12			# 0xc
li	$5,7			# 0x7
move	$7,$20
sw	$2,16($sp)
jal	mp_msg
sw	$21,20($sp)

lw	$17,4($19)
slt	$2,$21,$17
bne	$2,$0,$L46
lui	$6,%hi($LC8)

$L39:
lw	$5,0($19)
move	$6,$17
jal	memmove
move	$4,$22

lw	$3,72($18)
subu	$6,$3,$20
blez	$6,$L30
sw	$6,72($18)

lw	$4,68($18)
jal	memmove
addu	$5,$4,$20

j	$L47
move	$2,$17

$L46:
lw	$3,92($18)
lw	$4,52($3)
lw	$2,44($3)
addiu	$6,$6,%lo($LC8)
mul	$2,$2,$4
li	$5,2			# 0x2
div	$0,$21,$2
teq	$2,$0,7
li	$4,12			# 0xc
sw	$17,16($sp)
mfhi	$16
subu	$16,$21,$16
jal	mp_msg
subu	$7,$17,$16

j	$L39
move	$17,$16

.set	macro
.set	reorder
.end	decode_audio
.section	.rodata.str1.4
.align	2
$LC9:
.ascii	"Uninit audio filters...\012\000"
.align	2
$LC10:
.ascii	"Uninit audio: %s\012\000"
.section	.text.uninit_audio,"ax",@progbits
.align	2
.align	5
.globl	uninit_audio
.ent	uninit_audio
.type	uninit_audio, @function
uninit_audio:
.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	$2,92($4)
beq	$2,$0,$L49
move	$16,$4

lui	$6,%hi($LC9)
addiu	$6,$6,%lo($LC9)
li	$5,6			# 0x6
jal	mp_msg
li	$4,12			# 0xc

jal	af_uninit
lw	$4,92($16)

jal	uc_free
lw	$4,92($16)

sw	$0,92($16)
$L49:
lw	$2,16($16)
bne	$2,$0,$L60
lui	$6,%hi($LC10)

$L51:
lw	$2,80($16)
lw	$4,68($16)
beq	$2,$4,$L53
nop

jal	uc_free
move	$4,$2

lw	$4,68($16)
$L53:
sw	$0,80($16)
beq	$4,$0,$L55
sw	$0,88($16)

jal	uc_free
nop

$L55:
lw	$4,52($16)
beq	$4,$0,$L57
sw	$0,68($16)

jal	uc_free
nop

$L57:
sw	$0,52($16)
lw	$31,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,24

$L60:
lw	$2,8($16)
lw	$7,432($2)
addiu	$6,$6,%lo($LC10)
li	$4,12			# 0xc
jal	mp_msg
li	$5,6			# 0x6

lw	$3,96($16)
lw	$2,12($3)
jal	$2
move	$4,$16

j	$L51
sw	$0,16($16)

.set	macro
.set	reorder
.end	uninit_audio
.section	.rodata.str1.4
.align	2
$LC11:
.ascii	"Building audio filter chain for %dHz/%dch/%s -> %dHz/%dc"
.ascii	"h/%s...\012\000"
.section	.text.init_audio_filters,"ax",@progbits
.align	2
.align	5
.globl	init_audio_filters
.ent	init_audio_filters
.type	init_audio_filters, @function
init_audio_filters:
.frame	$sp,80,$31		# vars= 0, regs= 10/0, args= 40, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-80
sw	$fp,72($sp)
sw	$23,68($sp)
sw	$22,64($sp)
sw	$18,48($sp)
sw	$17,44($sp)
sw	$16,40($sp)
sw	$31,76($sp)
sw	$21,60($sp)
sw	$20,56($sp)
sw	$19,52($sp)
lw	$2,92($4)
move	$22,$4
move	$16,$5
move	$17,$6
move	$18,$7
lw	$fp,108($sp)
.set	noreorder
.set	nomacro
beq	$2,$0,$L62
lw	$23,112($sp)
.set	macro
.set	reorder

move	$21,$2
$L64:
sw	$16,16($21)
sw	$17,20($21)
sw	$18,24($21)
.set	noreorder
.set	nomacro
jal	af_fix_parameters
addiu	$4,$21,8
.set	macro
.set	reorder

lw	$2,96($sp)
addiu	$4,$21,32
lw	$3,0($2)
sw	$3,40($21)
lw	$3,100($sp)
lw	$2,0($3)
sw	$2,44($21)
lw	$2,104($sp)
lw	$3,0($2)
.set	noreorder
.set	nomacro
jal	af_fix_parameters
sw	$3,48($21)
.set	macro
.set	reorder

lui	$5,%hi(af_cfg)
addiu	$5,$5,%lo(af_cfg)
li	$6,8			# 0x8
.set	noreorder
.set	nomacro
jal	memcpy
addiu	$4,$21,56
.set	macro
.set	reorder

lw	$4,24($21)
lw	$16,16($21)
.set	noreorder
.set	nomacro
jal	af_fmt2str_short
lw	$20,20($21)
.set	macro
.set	reorder

lw	$4,48($21)
move	$19,$2
lw	$17,40($21)
.set	noreorder
.set	nomacro
jal	af_fmt2str_short
lw	$18,44($21)
.set	macro
.set	reorder

lui	$6,%hi($LC11)
li	$4,12			# 0xc
addiu	$6,$6,%lo($LC11)
move	$7,$16
li	$5,6			# 0x6
sw	$20,16($sp)
sw	$19,20($sp)
sw	$17,24($sp)
sw	$18,28($sp)
.set	noreorder
.set	nomacro
jal	mp_msg
sw	$2,32($sp)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
jal	af_init
move	$4,$21
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L119
lw	$3,96($sp)
.set	macro
.set	reorder

lw	$2,40($21)
sw	$2,0($3)
lw	$3,44($21)
lw	$2,100($sp)
sw	$3,0($2)
lw	$2,48($21)
lw	$3,104($sp)
.set	noreorder
.set	nomacro
beq	$23,$0,$L120
sw	$2,0($3)
.set	macro
.set	reorder

slt	$2,$23,$fp
move	$3,$fp
movz	$3,$23,$2
slt	$4,$3,8192
li	$2,65536			# 0x10000
lw	$6,80($22)
lw	$5,68($22)
movn	$3,$2,$4
.set	noreorder
.set	nomacro
beq	$6,$5,$L87
sw	$3,88($22)
.set	macro
.set	reorder

$L124:
.set	noreorder
.set	nomacro
jal	uc_free
move	$4,$6
.set	macro
.set	reorder

$L87:
lw	$5,88($22)
$L126:
.set	noreorder
.set	nomacro
jal	uc_memalign
li	$4,16			# 0x10
.set	macro
.set	reorder

lw	$6,88($22)
move	$4,$2
sw	$2,80($22)
sltu	$2,$6,40
.set	noreorder
.set	nomacro
bne	$2,$0,$L121
andi	$2,$4,0x3
.set	macro
.set	reorder

li	$3,4			# 0x4
subu	$3,$3,$2
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$3,$2,$L94
move	$5,$4
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$3,$2,$L95
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$3,$2,$L122
$L92:
move	$3,$5
move	$2,$0
addiu	$5,$5,-4
#APP
.word	0b01110000000000100000000001101111	#S32I2M XR1,$2
#NO_APP
andi	$3,$3,0x1f
.set	noreorder
.set	nomacro
beq	$3,$0,$L96
li	$2,-32			# 0xffffffffffffffe0
.set	macro
.set	reorder

and	$2,$5,$2
addiu	$7,$2,32
sltu	$3,$5,$7
beq	$3,$0,$L96
$L110:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$7
bne	$2,$0,$L110
$L96:
addu	$6,$6,$4
addiu	$2,$6,-31
li	$3,-32			# 0xffffffffffffffe0
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L127
addiu	$2,$6,-4
.set	macro
.set	reorder

addiu	$2,$5,4
$L128:
#APP
pref 30,0($2)
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L128
addiu	$2,$5,4
.set	macro
.set	reorder

addiu	$2,$6,-4
$L127:
li	$3,-4			# 0xfffffffffffffffc
and	$3,$2,$3
sltu	$4,$5,$3
.set	noreorder
.set	nomacro
beq	$4,$0,$L129
andi	$4,$6,0x3
.set	macro
.set	reorder

$L112:
#APP
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
#NO_APP
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L112
andi	$4,$6,0x3
.set	macro
.set	reorder

$L129:
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$4,$2,$L104
addiu	$3,$5,4
.set	macro
.set	reorder

li	$2,3			# 0x3
.set	noreorder
.set	nomacro
beq	$4,$2,$L105
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$4,$2,$L123
sw	$0,84($22)
$L84:
sw	$21,92($22)
lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($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)
li	$2,1			# 0x1
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,80
.set	macro
.set	reorder

$L120:
.set	noreorder
.set	nomacro
beq	$fp,$0,$L84
slt	$2,$23,$fp
.set	macro
.set	reorder

move	$3,$fp
movz	$3,$23,$2
slt	$4,$3,8192
li	$2,65536			# 0x10000
lw	$6,80($22)
lw	$5,68($22)
movn	$3,$2,$4
.set	noreorder
.set	nomacro
bne	$6,$5,$L124
sw	$3,88($22)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L126
lw	$5,88($22)
.set	macro
.set	reorder

$L119:
sw	$0,92($22)
.set	noreorder
.set	nomacro
jal	uc_free
move	$4,$21
.set	macro
.set	reorder

lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($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)
move	$2,$0
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,80
.set	macro
.set	reorder

$L121:
.set	noreorder
.set	nomacro
jal	memset
move	$5,$0
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L84
sw	$0,84($22)
.set	macro
.set	reorder

$L95:
addiu	$5,$4,3
sb	$0,0($4)