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

addiu	$6,$sp,48
.set	noreorder
.set	nomacro
jal	$2
li	$5,3			# 0x3
.set	macro
.set	reorder

li	$3,1			# 0x1
.set	noreorder
.set	nomacro
bne	$2,$3,$L136
lw	$2,48($sp)
.set	macro
.set	reorder

li	$3,4			# 0x4
sw	$2,24($19)
.set	noreorder
.set	nomacro
j	$L136
sw	$3,32($19)
.set	macro
.set	reorder

$L207:
.set	noreorder
.set	nomacro
jal	memset
move	$5,$0
.set	macro
.set	reorder

lw	$3,96($19)
sw	$0,72($19)
lw	$2,8($3)
.set	noreorder
.set	nomacro
jal	$2
move	$4,$19
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L180
lui	$6,%hi($LC16)
.set	macro
.set	reorder

$L217:
.set	noreorder
.set	nomacro
j	$L200
addiu	$6,$6,%lo($LC16)
.set	macro
.set	reorder

$L208:
addiu	$5,$4,1
.set	noreorder
.set	nomacro
j	$L166
sb	$0,0($4)
.set	macro
.set	reorder

$L209:
.set	noreorder
.set	nomacro
j	$L165
sb	$0,4($5)
.set	macro
.set	reorder

$L150:
addiu	$5,$4,3
sb	$0,0($4)
sb	$0,1($4)
.set	noreorder
.set	nomacro
j	$L147
sb	$0,2($4)
.set	macro
.set	reorder

$L203:
.set	noreorder
.set	nomacro
jal	memset
move	$5,$0
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L142
sw	$0,56($19)
.set	macro
.set	reorder

$L178:
sb	$0,4($5)
.set	noreorder
.set	nomacro
j	$L165
sb	$0,1($3)
.set	macro
.set	reorder

$L168:
addiu	$5,$4,2
sb	$0,0($4)
.set	noreorder
.set	nomacro
j	$L166
sb	$0,1($4)
.set	macro
.set	reorder

$L169:
addiu	$5,$4,3
sb	$0,0($4)
sb	$0,1($4)
.set	noreorder
.set	nomacro
j	$L166
sb	$0,2($4)
.set	macro
.set	reorder

$L179:
sb	$0,6($5)
sb	$0,4($5)
.set	noreorder
.set	nomacro
j	$L165
sb	$0,5($5)
.set	macro
.set	reorder

$L149:
addiu	$5,$4,2
sb	$0,0($4)
.set	noreorder
.set	nomacro
j	$L147
sb	$0,1($4)
.set	macro
.set	reorder

$L159:
sb	$0,4($5)
sb	$0,1($3)
.set	noreorder
.set	nomacro
j	$L142
sw	$0,56($19)
.set	macro
.set	reorder

$L206:
lui	$6,%hi($LC15)
addiu	$6,$6,%lo($LC15)
li	$4,12			# 0xc
.set	noreorder
.set	nomacro
jal	mp_msg
li	$5,1			# 0x1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L141
move	$2,$0
.set	macro
.set	reorder

$L160:
sb	$0,6($5)
sb	$0,4($5)
sb	$0,5($5)
.set	noreorder
.set	nomacro
j	$L142
sw	$0,56($19)
.set	macro
.set	reorder

$L205:
sb	$0,4($5)
.set	noreorder
.set	nomacro
j	$L142
sw	$0,56($19)
.set	macro
.set	reorder

$L204:
addiu	$5,$4,1
.set	noreorder
.set	nomacro
j	$L147
sb	$0,0($4)
.set	macro
.set	reorder

.end	init_audio_codec
.section	.rodata.str1.4
.align	2
$LC22:
.ascii	"libmad\000"
.align	2
$LC23:
.ascii	"ffmpeg\000"
.subsection	-1
.align	2
$LC24:
.ascii	"\000"
.align	2
$LC25:
.ascii	"Opening audio decoder: [%s] %s\012\000"
.section	.text.init_audio,"ax",@progbits
.align	2
.align	5
.globl	init_audio
.ent	init_audio
.type	init_audio, @function
init_audio:
.frame	$sp,80,$31		# vars= 16, regs= 10/0, args= 24, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-80
sw	$21,60($sp)
sw	$20,56($sp)
sw	$31,76($sp)
sw	$fp,72($sp)
sw	$23,68($sp)
sw	$22,64($sp)
sw	$19,52($sp)
sw	$18,48($sp)
sw	$17,44($sp)
sw	$16,40($sp)
move	$20,$4
lw	$4,156($4)
move	$21,$5
sw	$6,88($sp)
beq	$4,$0,$L298
sw	$7,92($sp)

lbu	$2,1($4)
lbu	$3,0($4)
sll	$2,$2,8
or	$2,$2,$3
sw	$2,32($sp)
$L222:
beq	$21,$0,$L223
li	$2,43			# 0x2b

lb	$3,0($21)
beq	$3,$2,$L299
nop

$L223:
move	$22,$0
$L226:
lw	$2,32($sp)
sw	$0,8($20)
andi	$23,$2,0xffff
srl	$fp,$23,8
$L297:
beq	$4,$0,$L228
sw	$0,96($20)

$L303:
lw	$3,32($sp)
sw	$3,24($sp)
sb	$fp,1($4)
sb	$23,0($4)
lw	$2,156($20)
beq	$2,$0,$L296
lw	$4,12($20)

lw	$6,8($20)
addiu	$5,$sp,24
jal	find_audio_codec
move	$7,$22

beq	$2,$0,$L233
sw	$2,8($20)

$L304:
lw	$4,156($20)
beq	$4,$0,$L235
lhu	$3,24($sp)

srl	$2,$3,8
sb	$2,1($4)
sb	$3,0($4)
$L235:
lw	$18,8($20)
lh	$17,452($18)
bltz	$17,$L290
nop

beq	$21,$0,$L238
nop

lw	$4,416($18)
jal	strcmp
move	$5,$21

bne	$2,$0,$L290
nop

$L238:
lw	$2,28($20)
addiu	$2,$2,-1
sltu	$2,$2,31999
bne	$2,$0,$L300
lui	$16,%hi($LC22)

$L240:
lw	$2,88($sp)
$L307:
beq	$2,$0,$L251
nop

lw	$4,432($18)
jal	strcmp
move	$5,$2

bne	$2,$0,$L290
nop

$L251:
bne	$22,$0,$L309
lui	$3,%hi(mpcodecs_ad_drivers)

lh	$2,454($18)
lw	$3,92($sp)
slt	$2,$2,$3
bne	$2,$0,$L290
lui	$3,%hi(mpcodecs_ad_drivers)

$L309:
li	$2,-32768
lw	$19,%lo(mpcodecs_ad_drivers)($3)
or	$2,$17,$2
sh	$2,452($18)
beq	$19,$0,$L255
sw	$0,24($sp)

lui	$2,%hi(mpcodecs_ad_drivers+4)
addiu	$17,$2,%lo(mpcodecs_ad_drivers+4)
j	$L257
move	$16,$0

$L301:
lw	$19,0($17)
sw	$16,24($sp)
beq	$19,$0,$L255
addiu	$17,$17,4

$L257:
lw	$2,0($19)
lw	$5,432($18)
lw	$4,4($2)
jal	strcmp
addiu	$16,$16,1

bne	$2,$0,$L301
nop

$L255:
jal	copy_codecs_script
move	$4,$18

beq	$2,$0,$L233
move	$17,$2

beq	$19,$0,$L260
sw	$2,8($20)

lui	$16,%hi($LC23)
jal	strlen
addiu	$4,$16,%lo($LC23)

move	$5,$2
sltu	$2,$2,4
beq	$2,$0,$L262
lbu	$3,%lo($LC23)($16)

lw	$18,432($17)
lbu	$2,0($18)
beq	$5,$0,$L264
subu	$2,$3,$2

bne	$2,$0,$L266
nop

addiu	$4,$16,%lo($LC23)
lbu	$2,1($4)
lbu	$3,1($18)
sltu	$4,$5,2
bne	$4,$0,$L264
subu	$2,$2,$3

bne	$2,$0,$L266
addiu	$3,$16,%lo($LC23)

lbu	$2,2($3)
lbu	$3,2($18)
li	$4,2			# 0x2
beq	$5,$4,$L264
subu	$2,$2,$3

beq	$2,$0,$L302
nop

$L266:
lw	$2,0($19)
$L313:
lui	$6,%hi($LC25)
lw	$7,4($2)
lw	$3,0($2)
li	$4,12			# 0xc
addiu	$6,$6,%lo($LC25)
li	$5,4			# 0x4
jal	mp_msg
sw	$3,16($sp)

sw	$19,96($20)
jal	init_audio_codec
move	$4,$20

bne	$2,$0,$L310
lw	$31,76($sp)

lui	$6,%hi($LC16)
$L311:
li	$4,12			# 0xc
addiu	$6,$6,%lo($LC16)
jal	mp_msg
li	$5,4			# 0x4

lw	$4,156($20)
bne	$4,$0,$L303
sw	$0,96($20)

$L228:
lw	$4,12($20)
$L296:
lw	$6,8($20)
move	$5,$0
jal	find_audio_codec
move	$7,$22

bne	$2,$0,$L304
sw	$2,8($20)

$L233:
lw	$31,76($sp)
$L312:
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
j	$31
addiu	$sp,$sp,80

$L300:
jal	strlen
addiu	$4,$16,%lo($LC22)

move	$6,$2
sltu	$2,$2,4
beq	$2,$0,$L242
lbu	$3,%lo($LC22)($16)

lw	$7,432($18)
lbu	$2,0($7)
beq	$6,$0,$L244
subu	$2,$2,$3

bne	$2,$0,$L240
addiu	$4,$16,%lo($LC22)

lbu	$3,1($4)
lbu	$2,1($7)
sltu	$4,$6,2
bne	$4,$0,$L244
subu	$2,$2,$3

bne	$2,$0,$L240
addiu	$4,$16,%lo($LC22)

lbu	$3,2($4)
lbu	$2,2($7)
li	$4,2			# 0x2
beq	$6,$4,$L244
subu	$2,$2,$3

bne	$2,$0,$L307
lw	$2,88($sp)

addiu	$4,$16,%lo($LC22)
lbu	$3,3($7)
lbu	$2,3($4)
subu	$2,$3,$2
$L244:
bne	$2,$0,$L307
lw	$2,88($sp)

$L290:
j	$L297
lw	$4,156($20)

$L262:
lw	$18,432($17)
addiu	$4,$16,%lo($LC23)
jal	strcmp
move	$5,$18

$L264:
bne	$2,$0,$L266
nop

lw	$5,428($17)
$L308:
move	$4,$18
move	$6,$0
jal	load_plugin
move	$7,$0

lw	$2,0($19)
lui	$6,%hi($LC25)
lw	$7,4($2)
lw	$3,0($2)
li	$4,12			# 0xc
addiu	$6,$6,%lo($LC25)
li	$5,4			# 0x4
jal	mp_msg
sw	$3,16($sp)

sw	$19,96($20)
jal	init_audio_codec
move	$4,$20

beq	$2,$0,$L311
lui	$6,%hi($LC16)

lw	$31,76($sp)
$L310:
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
j	$31
addiu	$sp,$sp,80

$L242:
lw	$4,432($18)
jal	strcmp
addiu	$5,$16,%lo($LC22)

beq	$2,$0,$L290
lw	$2,88($sp)

j	$L307
nop

$L260:
lw	$4,432($2)
lui	$5,%hi($LC24)
addiu	$5,$5,%lo($LC24)
move	$6,$0
jal	load_plugin
move	$7,$0

beq	$2,$0,$L233
move	$16,$2

lw	$3,0($2)
beq	$3,$0,$L312
lw	$31,76($sp)

lw	$2,4($2)
beq	$2,$0,$L312
nop

lw	$2,8($16)
beq	$2,$0,$L312
nop

lw	$2,12($16)
beq	$2,$0,$L312
nop

lw	$2,16($16)
beq	$2,$0,$L312
nop

lw	$2,20($16)
beq	$2,$0,$L312
nop

lw	$2,8($20)
lw	$4,4($3)
jal	strcmp
lw	$5,432($2)

bne	$2,$0,$L233
move	$19,$16

j	$L313
lw	$2,0($19)

$L302:
addiu	$4,$16,%lo($LC23)
lbu	$3,3($4)
lbu	$2,3($18)
subu	$2,$3,$2
bne	$2,$0,$L266
nop

j	$L308
lw	$5,428($17)

$L299:
addiu	$21,$21,1
j	$L226
li	$22,1			# 0x1

$L298:
j	$L222
sw	$0,32($sp)

.set	macro
.set	reorder
.end	init_audio
.section	.rodata.str1.4
.align	2
$LC26:
.ascii	"Forced audio codec: %s\012\000"
.align	2
$LC27:
.ascii	"Trying to force audio codec driver family %s...\012\000"
.align	2
$LC28:
.ascii	"Cannot find codec for audio format 0x%X.\012\000"
.align	2
$LC29:
.ascii	"Read DOCS/HTML/en/codecs.html!\012\000"
.align	2
$LC30:
.ascii	"Selected audio codec: [%s] afm: %s (%s)\012\000"
.section	.text.init_best_audio_codec,"ax",@progbits
.align	2
.align	5
.globl	init_best_audio_codec
.ent	init_best_audio_codec
.type	init_best_audio_codec, @function
init_best_audio_codec:
.frame	$sp,56,$31		# vars= 8, regs= 6/0, args= 24, gp= 0
.mask	0x801f0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$3,%hi(C.52.4324)
addiu	$2,$3,%lo(C.52.4324)
addiu	$sp,$sp,-56
lw	$8,4($2)
lw	$7,%lo(C.52.4324)($3)
sw	$20,48($sp)
sw	$19,44($sp)
sw	$18,40($sp)
sw	$31,52($sp)
sw	$17,36($sp)
sw	$16,32($sp)
move	$18,$4
sw	$0,16($4)
addiu	$19,$sp,24
li	$4,1			# 0x1
sw	$7,24($sp)
sw	$8,28($sp)
movn	$19,$5,$5
jal	codecs_reset_selection
move	$20,$6

lw	$2,16($18)
bne	$2,$0,$L334
nop

$L343:
lw	$16,0($19)
beq	$16,$0,$L341
lui	$6,%hi($LC28)

lb	$3,0($16)
beq	$3,$0,$L319
li	$2,45			# 0x2d

beq	$3,$2,$L342
lui	$6,%hi($LC26)

addiu	$6,$6,%lo($LC26)
move	$7,$16
li	$4,12			# 0xc
jal	mp_msg
li	$5,4			# 0x4

move	$4,$18
move	$5,$16
move	$6,$0
jal	init_audio
li	$7,-1			# 0xffffffffffffffff

lw	$2,16($18)
$L323:
addiu	$19,$19,4
$L344:
beq	$2,$0,$L343
nop

$L334:
lw	$2,8($18)
lui	$6,%hi($LC30)
lw	$3,432($2)
lw	$7,416($2)
sw	$3,16($sp)
lw	$8,420($2)
addiu	$6,$6,%lo($LC30)
li	$4,12			# 0xc
li	$5,4			# 0x4
jal	mp_msg
sw	$8,20($sp)

lw	$31,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,56

$L319:
beq	$20,$0,$L324
lui	$6,%hi($LC27)

move	$17,$20
lw	$16,0($20)
addiu	$6,$6,%lo($LC27)
li	$5,4			# 0x4
li	$4,12			# 0xc
addiu	$17,$17,4
beq	$16,$0,$L324
move	$7,$16

$L327:
jal	mp_msg
nop

move	$4,$18
move	$5,$0
move	$6,$16
jal	init_audio
li	$7,2			# 0x2

move	$4,$18
move	$5,$0
move	$6,$16
bne	$2,$0,$L328
li	$7,1			# 0x1

jal	init_audio
nop

move	$6,$16
move	$4,$18
move	$5,$0
bne	$2,$0,$L328
move	$7,$0

jal	init_audio
nop

$L328:
lw	$2,16($18)
bne	$2,$0,$L323
lui	$6,%hi($LC27)

lw	$16,0($17)
addiu	$6,$6,%lo($LC27)
li	$5,4			# 0x4
li	$4,12			# 0xc
addiu	$17,$17,4
bne	$16,$0,$L327
move	$7,$16

$L324:
move	$4,$18
move	$5,$0
move	$6,$0
jal	init_audio
li	$7,2			# 0x2

bne	$2,$0,$L340
move	$4,$18

move	$5,$0
move	$6,$0
jal	init_audio
li	$7,1			# 0x1

bne	$2,$0,$L340
move	$4,$18

move	$5,$0
move	$6,$0
jal	init_audio
move	$7,$0

lw	$2,16($18)
j	$L344
addiu	$19,$19,4

$L342:
addiu	$4,$16,1
jal	select_codec
li	$5,1			# 0x1

lw	$2,16($18)
j	$L344
addiu	$19,$19,4

$L341:
lw	$7,12($18)
addiu	$6,$6,%lo($LC28)
li	$4,12			# 0xc
jal	mp_msg
li	$5,1			# 0x1

lui	$6,%hi($LC29)
addiu	$6,$6,%lo($LC29)
li	$4,12			# 0xc
jal	mp_msg
li	$5,3			# 0x3

lw	$31,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,56

$L340:
lw	$2,16($18)
j	$L344
addiu	$19,$19,4

.set	macro
.set	reorder
.end	init_best_audio_codec
.globl	fakemono
.section	.bss
.align	2
.type	fakemono, @object
.size	fakemono, 4
fakemono:
.space	4
.globl	audio_output_channels
.data
.align	2
.type	audio_output_channels, @object
.size	audio_output_channels, 4
audio_output_channels:
.word	2
.globl	af_cfg
.align	2
.type	af_cfg, @object
.size	af_cfg, 8
af_cfg:
.word	1
.word	0
.rdata
.align	2
.type	C.52.4324, @object
.size	C.52.4324, 8
C.52.4324:
.word	$LC24
.word	0
.ident	"GCC: (GNU) 4.1.2"