ad_liba52.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 1,531 行 · 第 1/2 页

.globl	__ltdf2
.globl	__gtdf2
.align	2
$LC15:
.ascii	"dolby\000"
.align	2
$LC16:
.ascii	"unknown\000"
.align	2
$LC17:
.ascii	"channel\000"
.align	2
$LC18:
.ascii	"mono\000"
.align	2
$LC19:
.ascii	"stereo\000"
.align	2
$LC20:
.ascii	"3f\000"
.align	2
$LC21:
.ascii	"2f+1r\000"
.align	2
$LC22:
.ascii	"3f+1r\000"
.align	2
$LC23:
.ascii	"2f+2r\000"
.align	2
$LC24:
.ascii	"3f+2r\000"
.align	2
$LC25:
.ascii	"channel1\000"
.align	2
$LC26:
.ascii	"channel2\000"
.align	2
$LC27:
.ascii	"+lfe\000"
.subsection	-1
.align	2
$LC28:
.ascii	"\000"
.align	2
$LC29:
.ascii	"AC3: %d.%d (%s%s)  %d Hz  %3.1f kbit/s\012\000"
.globl	__floatsisf
.globl	__mulsf3
.align	2
$LC31:
.ascii	"A52 flags before a52_frame: 0x%X\012\000"
.align	2
$LC32:
.ascii	"a52: error decoding frame -> nosound\012\000"
.align	2
$LC33:
.ascii	"A52 flags after a52_frame: 0x%X\012\000"
.align	2
$LC34:
.ascii	"a52: no resampler. try different channel setup!\012\000"
.section	.rodata.cst8
.align	3
$LC13:
.word	-755914244
.word	1062232653
.align	3
$LC14:
.word	-652835029
.word	1072691150
.section	.rodata.cst4
.align	2
$LC30:
.word	981668463
.section	.text.init,"ax",@progbits
.align	2
.align	5
.ent	init
.type	init, @function
init:
.frame	$sp,96,$31		# vars= 24, regs= 7/0, args= 40, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-96
sw	$21,84($sp)
sw	$18,72($sp)
sw	$31,88($sp)
sw	$20,80($sp)
sw	$19,76($sp)
sw	$17,68($sp)
sw	$16,64($sp)
lui	$2,%hi(a52_level)
lw	$3,%lo(a52_level)($2)
move	$18,$4
sw	$3,40($sp)
sw	$0,44($sp)
jal	a52_init
lui	$21,%hi(a52_state)

beq	$2,$0,$L182
sw	$2,%lo(a52_state)($21)

jal	a52_fillbuff
move	$4,$18

bltz	$2,$L183
lui	$6,%hi($LC12)

lui	$2,%hi(a52_drc_level)
jal	__extendsfdf2
lw	$4,%lo(a52_drc_level)($2)

move	$16,$2
lui	$2,%hi($LC13)
lw	$6,%lo($LC13)($2)
lw	$7,%lo($LC13+4)($2)
move	$4,$16
move	$5,$3
jal	__ltdf2
move	$17,$3

bgez	$2,$L120
lui	$2,%hi($LC14)

li	$3,1			# 0x1
lui	$2,%hi(a52_drc_action)
sw	$3,%lo(a52_drc_action)($2)
$L123:
lw	$4,52($18)
addiu	$5,$sp,48
addiu	$6,$sp,52
jal	a52_syncinfo
addiu	$7,$sp,56

lw	$5,48($sp)
andi	$3,$5,0xf
sltu	$2,$3,11
beq	$2,$0,$L186
lui	$2,%hi($LC16)

sll	$2,$3,2
$L187:
lui	$3,%hi($L139)
addiu	$3,$3,%lo($L139)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
nop

.rdata
.align	2
.align	2
$L139:
.word	$L128
.word	$L129
.word	$L130
.word	$L131
.word	$L132
.word	$L133
.word	$L134
.word	$L135
.word	$L136
.word	$L137
.word	$L138
.section	.text.init
$L120:
lw	$6,%lo($LC14)($2)
lw	$7,%lo($LC14+4)($2)
move	$4,$16
jal	__gtdf2
move	$5,$17

bgtz	$2,$L184
lui	$2,%hi(a52_drc_action)

lw	$4,52($18)
li	$3,2			# 0x2
addiu	$5,$sp,48
addiu	$6,$sp,52
addiu	$7,$sp,56
jal	a52_syncinfo
sw	$3,%lo(a52_drc_action)($2)

lw	$5,48($sp)
andi	$3,$5,0xf
sltu	$2,$3,11
bne	$2,$0,$L187
sll	$2,$3,2

lui	$2,%hi($LC16)
$L186:
addiu	$6,$2,%lo($LC16)
move	$16,$0
$L140:
andi	$3,$5,0x10
beq	$3,$0,$L141
lui	$2,%hi($LC28)

lui	$2,%hi($LC27)
addiu	$5,$2,%lo($LC27)
$L143:
sltu	$2,$0,$3
lw	$4,56($sp)
sw	$2,16($sp)
lw	$2,52($sp)
sw	$6,20($sp)
sw	$5,24($sp)
jal	__floatsisf
sw	$2,28($sp)

lui	$3,%hi($LC30)
lw	$5,%lo($LC30)($3)
jal	__mulsf3
move	$4,$2

jal	__extendsfdf2
move	$4,$2

lui	$6,%hi($LC29)
addiu	$6,$6,%lo($LC29)
move	$7,$16
li	$4,12			# 0xc
li	$5,6			# 0x6
sw	$2,32($sp)
jal	mp_msg
sw	$3,36($sp)

lui	$2,%hi(audio_output_channels)
lw	$3,%lo(audio_output_channels)($2)
blez	$3,$L144
sw	$3,36($18)

lui	$16,%hi(a52_flags)
lui	$20,%hi($LC31)
addiu	$19,$sp,44
addiu	$17,$sp,40
$L145:
sltu	$2,$3,7
beq	$2,$0,$L188
lw	$2,%lo(a52_flags)($16)

sll	$2,$3,2
lui	$3,%hi($L153)
addiu	$3,$3,%lo($L153)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
nop

.rdata
.align	2
.align	2
$L153:
.word	$L146
.word	$L147
.word	$L148
.word	$L149
.word	$L150
.word	$L151
.word	$L152
.section	.text.init
$L152:
li	$2,23			# 0x17
sw	$2,%lo(a52_flags)($16)
$L146:
lw	$2,%lo(a52_flags)($16)
$L188:
li	$4,12			# 0xc
ori	$2,$2,0x20
move	$7,$2
li	$5,6			# 0x6
addiu	$6,$20,%lo($LC31)
jal	mp_msg
sw	$2,44($sp)

lw	$4,%lo(a52_state)($21)
lw	$5,52($18)
move	$6,$19
move	$7,$17
jal	a52_frame
sw	$0,16($sp)

bne	$2,$0,$L180
lw	$7,44($sp)

lui	$6,%hi($LC33)
addiu	$6,$6,%lo($LC33)
li	$4,12			# 0xc
jal	mp_msg
li	$5,6			# 0x6

lw	$3,24($18)
lui	$6,%hi(channel_map)
li	$2,29			# 0x1d
bne	$3,$2,$L156
sw	$0,%lo(channel_map)($6)

lw	$3,44($sp)
andi	$2,$3,0x10
bne	$2,$0,$L158
li	$2,6			# 0x6

lw	$5,36($18)
sll	$2,$3,3
or	$2,$2,$5
sltu	$3,$2,83
beq	$3,$0,$L189
addiu	$3,$5,-1

lui	$3,%hi($L167)
sll	$2,$2,2
addiu	$3,$3,%lo($L167)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
nop

.rdata
.align	2
.align	2
$L167:
.word	$L160
.word	$L160
.word	$L161
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L162
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L161
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L163
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L164
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L165
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L166
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L160
.word	$L161
.section	.text.init
$L147:
li	$2,1			# 0x1
j	$L146
sw	$2,%lo(a52_flags)($16)

$L149:
li	$2,4			# 0x4
j	$L146
sw	$2,%lo(a52_flags)($16)

$L150:
li	$2,6			# 0x6
j	$L146
sw	$2,%lo(a52_flags)($16)

$L151:
li	$2,7			# 0x7
j	$L146
sw	$2,%lo(a52_flags)($16)

$L148:
li	$2,10			# 0xa
j	$L146
sw	$2,%lo(a52_flags)($16)

$L156:
lw	$5,44($sp)
lw	$6,36($18)
jal	a52_resample_init
move	$4,$0

bne	$2,$0,$L177
nop

lw	$5,36($18)
$L160:
addiu	$3,$5,-1
$L189:
bgtz	$3,$L145
sw	$3,36($18)

$L144:
lui	$6,%hi($LC34)
addiu	$6,$6,%lo($LC34)
li	$4,12			# 0xc
jal	mp_msg
li	$5,1			# 0x1

move	$2,$0
$L117:
lw	$31,88($sp)
lw	$21,84($sp)
lw	$20,80($sp)
lw	$19,76($sp)
lw	$18,72($sp)
lw	$17,68($sp)
lw	$16,64($sp)
j	$31
addiu	$sp,$sp,96

$L158:
lw	$5,36($18)
bne	$5,$2,$L160
li	$2,-17			# 0xffffffffffffffef

and	$2,$3,$2
sltu	$3,$2,11
beq	$3,$0,$L189
addiu	$3,$5,-1

lui	$3,%hi($L176)
sll	$2,$2,2
addiu	$3,$3,%lo($L176)
addu	$2,$2,$3
lw	$4,0($2)
j	$4
nop

.rdata
.align	2
.align	2
$L176:
.word	$L170
.word	$L171
.word	$L170
.word	$L172
.word	$L173
.word	$L160
.word	$L174
.word	$L175
.word	$L160
.word	$L160
.word	$L170
.section	.text.init
$L162:
li	$2,1			# 0x1
sw	$2,%lo(channel_map)($6)
$L168:
lui	$2,%hi(a52_resample_float)
addiu	$2,$2,%lo(a52_resample_float)
lui	$3,%hi(a52_resample)
sw	$2,%lo(a52_resample)($3)
$L177:
lw	$2,36($18)
blez	$2,$L144
lw	$31,88($sp)

lw	$21,84($sp)
lw	$20,80($sp)
lw	$19,76($sp)
lw	$18,72($sp)
lw	$17,68($sp)
lw	$16,64($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,96

$L141:
j	$L143
addiu	$5,$2,%lo($LC28)

$L184:
j	$L123
sw	$0,%lo(a52_drc_action)($2)

$L163:
li	$2,131072			# 0x20000
ori	$2,$2,0xff31
j	$L168
sw	$2,%lo(channel_map)($6)

$L164:
li	$2,801			# 0x321
j	$L168
sw	$2,%lo(channel_map)($6)

$L165:
li	$2,17185			# 0x4321
j	$L168
sw	$2,%lo(channel_map)($6)

$L166:
li	$2,131072			# 0x20000
ori	$2,$2,0x5431
j	$L168
sw	$2,%lo(channel_map)($6)

$L161:
li	$2,33			# 0x21
j	$L168
sw	$2,%lo(channel_map)($6)

$L182:
lui	$6,%hi($LC11)
addiu	$6,$6,%lo($LC11)
li	$4,12			# 0xc
jal	mp_msg
li	$5,1			# 0x1

lw	$31,88($sp)
lw	$21,84($sp)
lw	$20,80($sp)
lw	$19,76($sp)
lw	$18,72($sp)
lw	$17,68($sp)
lw	$16,64($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,96

$L183:
addiu	$6,$6,%lo($LC12)
li	$4,12			# 0xc
jal	mp_msg
li	$5,1			# 0x1

j	$L117
move	$2,$0

$L128:
lui	$2,%hi($LC17)
addiu	$6,$2,%lo($LC17)
j	$L140
li	$16,2			# 0x2

$L138:
lui	$2,%hi($LC15)
addiu	$6,$2,%lo($LC15)
j	$L140
li	$16,2			# 0x2

$L137:
lui	$2,%hi($LC26)
addiu	$6,$2,%lo($LC26)
j	$L140
li	$16,2			# 0x2

$L136:
lui	$2,%hi($LC25)
addiu	$6,$2,%lo($LC25)
j	$L140
li	$16,2			# 0x2

$L135:
lui	$2,%hi($LC24)
addiu	$6,$2,%lo($LC24)
j	$L140
li	$16,5			# 0x5

$L134:
lui	$2,%hi($LC23)
addiu	$6,$2,%lo($LC23)
j	$L140
li	$16,4			# 0x4

$L133:
lui	$2,%hi($LC22)
addiu	$6,$2,%lo($LC22)
j	$L140
li	$16,4			# 0x4

$L132:
lui	$2,%hi($LC21)
addiu	$6,$2,%lo($LC21)
j	$L140
li	$16,3			# 0x3

$L131:
lui	$2,%hi($LC20)
addiu	$6,$2,%lo($LC20)
j	$L140
li	$16,3			# 0x3

$L130:
lui	$2,%hi($LC19)
addiu	$6,$2,%lo($LC19)
j	$L140
li	$16,2			# 0x2

$L129:
lui	$2,%hi($LC18)
addiu	$6,$2,%lo($LC18)
j	$L140
li	$16,1			# 0x1

$L171:
li	$2,1179648			# 0x120000
ori	$2,$2,0xffff
j	$L168
sw	$2,%lo(channel_map)($6)

$L170:
li	$2,2031616			# 0x1f0000
ori	$2,$2,0xff32
j	$L168
sw	$2,%lo(channel_map)($6)

$L172:
li	$2,1245184			# 0x130000
ori	$2,$2,0xff42
j	$L168
sw	$2,%lo(channel_map)($6)

$L173:
li	$2,2031616			# 0x1f0000
ori	$2,$2,0x4432
j	$L168
sw	$2,%lo(channel_map)($6)

$L174:
li	$2,2031616			# 0x1f0000
ori	$2,$2,0x5432
j	$L168
sw	$2,%lo(channel_map)($6)

$L175:
li	$2,1245184			# 0x130000
ori	$2,$2,0x6542
j	$L168
sw	$2,%lo(channel_map)($6)

$L180:
lui	$6,%hi($LC32)
addiu	$6,$6,%lo($LC32)
li	$4,12			# 0xc
jal	mp_msg
li	$5,1			# 0x1

j	$L117
move	$2,$0

.set	macro
.set	reorder
.end	init
.globl	a52_drc_level
.data
.align	2
.type	a52_drc_level, @object
.size	a52_drc_level, 4
a52_drc_level:
.word	1065353216
.globl	mpcodecs_ad_liba52
.align	2
.type	mpcodecs_ad_liba52, @object
.size	mpcodecs_ad_liba52, 24
mpcodecs_ad_liba52:
.word	info
.word	preinit
.word	init
.word	uninit
.word	control
.word	decode_audio
.align	2
.type	a52_level, @object
.size	a52_level, 4
a52_level:
.word	1
.local	a52_flags
.comm	a52_flags,4,4
.local	a52_drc_action
.comm	a52_drc_action,4,4
.rdata
.align	2
.type	__PRETTY_FUNCTION__.4683, @object
.size	__PRETTY_FUNCTION__.4683, 13
__PRETTY_FUNCTION__.4683:
.ascii	"decode_audio\000"
.local	a52_state
.comm	a52_state,4,4
.local	channel_map
.comm	channel_map,4,4
.section	.rodata.str1.4
.align	2
$LC35:
.ascii	"AC3 decoding with liba52\000"
.align	2
$LC36:
.ascii	"liba52\000"
.align	2
$LC37:
.ascii	"Nick Kurshev\000"
.align	2
$LC38:
.ascii	"Michel LESPINASSE\000"
.data
.align	2
.type	info, @object
.size	info, 20
info:
.word	$LC35
.word	$LC36
.word	$LC37
.word	$LC38
.word	$LC28
.ident	"GCC: (GNU) 4.1.2"