demux_lmlm4.mid

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」· MID 代码 · 共 1,616 行 · 第 1/2 页

	j	$L152
	subu	$3,$6,$5

$L218:
	lw	$16,32($sp)
	bltz	$16,$L216
	lw	$17,16($18)

	li	$2,262144			# 0x40000
	slt	$2,$2,$16
	bne	$2,$0,$L162
	nop

	blez	$16,$L122
	nop

$L196:
	lw	$6,40($17)
	j	$L200
	lw	$5,36($17)

$L170:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L197
	sw	$4,36($17)

$L200:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L170
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L197
	nop

	lw	$5,36($17)
	lw	$6,40($17)
	j	$L170
	subu	$3,$6,$5

$L99:
	lw	$3,%lo(video)($2)
	beq	$3,$0,$L224
	li	$2,-1			# 0xffffffffffffffff

	lw	$4,52($18)
	lw	$3,68($4)
	beq	$3,$2,$L225
	nop

$L116:
	li	$2,1			# 0x1
	beq	$3,$2,$L226
	lw	$16,32($sp)

	bltz	$16,$L216
	lw	$17,16($18)

	li	$2,262144			# 0x40000
	slt	$2,$2,$16
	bne	$2,$0,$L126
	nop

	blez	$16,$L122
	nop

	lw	$6,40($17)
$L231:
	j	$L202
	lw	$5,36($17)

$L134:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L197
	sw	$4,36($17)

$L202:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L134
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L197
	nop

	lw	$5,36($17)
	lw	$6,40($17)
	j	$L134
	subu	$3,$6,$5

$L219:
	j	$L136
	sw	$16,%lo(video)($3)

$L179:
	jal	stream_seek_long
	move	$4,$17

	lw	$31,68($sp)
	lw	$21,64($sp)
	lw	$20,60($sp)
	lw	$18,56($sp)
	lw	$17,52($sp)
	lw	$16,48($sp)
	li	$2,1			# 0x1
	j	$31
	addiu	$sp,$sp,72

$L221:
	lw	$5,16($18)
	lw	$2,4($18)
$L213:
	lw	$6,32($sp)
	sw	$20,16($sp)
	sw	$21,20($sp)
	sw	$2,24($sp)
	jal	ds_read_packet
	sw	$0,28($sp)

	j	$L122
	lw	$17,16($18)

$L216:
	lw	$2,28($17)
	andi	$2,$2,0x2
	beq	$2,$0,$L122
	nop

$L161:
	lw	$4,44($17)
$L230:
	lw	$2,36($17)
	lw	$6,40($17)
	addu	$2,$4,$2
	subu	$2,$2,$6
	addu	$5,$16,$2
	slt	$3,$5,$4
	beq	$3,$0,$L165
	subu	$2,$4,$6

	subu	$2,$5,$2
	bltz	$2,$L165
	nop

	j	$L122
	sw	$2,36($17)

$L222:
	lw	$2,28($17)
	andi	$2,$2,0x2
	bne	$2,$0,$L174
	li	$2,1			# 0x1

	j	$L234
	lw	$31,68($sp)

$L217:
	move	$20,$0
	j	$L95
	move	$21,$0

$L220:
	lw	$4,1092($18)
	beq	$4,$0,$L227
	li	$5,1			# 0x1

$L156:
	li	$2,268435456			# 0x10000000
	li	$3,1			# 0x1
	ori	$2,$2,0x4
	sw	$3,68($17)
	sw	$2,12($4)
	lw	$3,68($17)
	j	$L154
	sw	$4,92($17)

$L162:
	lw	$2,28($17)
	andi	$2,$2,0x4
	beq	$2,$0,$L196
	nop

	j	$L230
	lw	$4,44($17)

$L126:
	lw	$2,28($17)
	andi	$2,$2,0x4
	bne	$2,$0,$L161
	nop

	j	$L231
	lw	$6,40($17)

$L165:
	jal	stream_seek_long
	move	$4,$17

	j	$L122
	lw	$17,16($18)

$L225:
	lw	$3,68($18)
	beq	$3,$0,$L228
	li	$5,1			# 0x1

$L118:
	li	$2,80			# 0x50
	sw	$16,68($4)
	sw	$2,12($3)
	sw	$3,92($4)
	j	$L116
	lw	$3,68($4)

$L228:
	move	$4,$18
	jal	new_sh_audio_aid
	li	$6,1			# 0x1

	lw	$4,52($18)
	j	$L118
	lw	$3,68($18)

$L226:
	lw	$5,16($18)
	j	$L213
	lw	$2,4($18)

$L227:
	move	$4,$18
	jal	new_sh_video_vid
	li	$6,1			# 0x1

	lw	$17,56($18)
	j	$L156
	lw	$4,1092($18)

$L144:
	lw	$2,28($17)
	andi	$2,$2,0x4
	beq	$2,$0,$L193
	nop

$L142:
	lw	$4,44($17)
	lw	$2,36($17)
	lw	$6,40($17)
	addu	$2,$4,$2
	subu	$2,$2,$6
	addu	$5,$16,$2
	slt	$3,$5,$4
	beq	$3,$0,$L147
	nop

	subu	$2,$4,$6
	subu	$2,$5,$2
	bltz	$2,$L147
	nop

	sw	$2,36($17)
$L143:
	lui	$6,%hi($LC7)
$L232:
	addiu	$6,$6,%lo($LC7)
$L235:
	li	$4,7			# 0x7
	jal	mp_msg
	li	$5,6			# 0x6

	j	$L91
	li	$2,-1			# 0xffffffffffffffff

$L224:
	lw	$3,32($sp)
	lw	$2,36($sp)
	addu	$16,$3,$2
	bltz	$16,$L229
	lw	$17,16($18)

	li	$2,262144			# 0x40000
	slt	$2,$2,$16
	bne	$2,$0,$L106
	nop

	blez	$16,$L105
	nop

$L188:
	lw	$6,40($17)
	j	$L201
	lw	$5,36($17)

$L114:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	blez	$16,$L105
	sw	$4,36($17)

$L201:
	subu	$2,$6,$5
	move	$4,$17
	bne	$2,$0,$L114
	move	$3,$2

	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L105
	nop

	lw	$5,36($17)
	lw	$6,40($17)
	j	$L114
	subu	$3,$6,$5

$L106:
	lw	$2,28($17)
	andi	$2,$2,0x4
	beq	$2,$0,$L188
	nop

$L104:
	lw	$4,44($17)
	lw	$2,36($17)
	lw	$6,40($17)
	addu	$2,$4,$2
	subu	$2,$2,$6
	addu	$5,$16,$2
	slt	$3,$5,$4
	beq	$3,$0,$L109
	nop

	subu	$2,$4,$6
	subu	$2,$5,$2
	bltz	$2,$L109
	nop

	sw	$2,36($17)
$L105:
	lui	$6,%hi($LC6)
$L233:
	addiu	$6,$6,%lo($LC6)
$L236:
	li	$4,7			# 0x7
	jal	mp_msg
	li	$5,6			# 0x6

	j	$L91
	li	$2,-1			# 0xffffffffffffffff

$L223:
	lw	$2,28($17)
	andi	$2,$2,0x2
	bne	$2,$0,$L142
	lui	$6,%hi($LC7)

	j	$L235
	addiu	$6,$6,%lo($LC7)

$L229:
	lw	$2,28($17)
	andi	$2,$2,0x2
	bne	$2,$0,$L104
	lui	$6,%hi($LC6)

	j	$L236
	addiu	$6,$6,%lo($LC6)

$L147:
	jal	stream_seek_long
	move	$4,$17

	j	$L232
	lui	$6,%hi($LC7)

$L109:
	jal	stream_seek_long
	move	$4,$17

	j	$L233
	lui	$6,%hi($LC6)

	.set	macro
	.set	reorder
	.end	demux_lmlm4_fill_buffer
	.section	.rodata.str1.4
	.align	2
$LC8:
	.ascii	"Checking for LMLM4 Stream Format\012\000"
	.align	2
$LC9:
	.ascii	"LMLM4 Stream Format not found\012\000"
	.align	2
$LC10:
	.ascii	"LMLM4: first=0x%08X\012\000"
	.align	2
$LC11:
	.ascii	"LMLM4: not mpeg audio\012\000"
	.align	2
$LC12:
	.ascii	"LMLM4: not layer-2\012\000"
	.align	2
$LC13:
	.ascii	"LMLM4: invalid audio sampelrate\012\000"
	.align	2
$LC14:
	.ascii	"LMLM4: first packet is audio, header checks OK!\012\000"
	.align	2
$LC15:
	.ascii	"LMLM4 Stream Format found\012\000"
	.section	.text.lmlm4_check_file,"ax",@progbits
	.align	2
	.align	5
	.ent	lmlm4_check_file
	.type	lmlm4_check_file, @function
lmlm4_check_file:
	.frame	$sp,56,$31		# vars= 16, regs= 6/0, args= 16, gp= 0
	.mask	0x801f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-56
	lui	$6,%hi($LC8)
	sw	$18,40($sp)
	addiu	$6,$6,%lo($LC8)
	move	$18,$4
	li	$5,6			# 0x6
	li	$4,7			# 0x7
	sw	$31,52($sp)
	sw	$20,48($sp)
	sw	$19,44($sp)
	sw	$17,36($sp)
	jal	mp_msg
	sw	$16,32($sp)

	move	$4,$18
	jal	getFrame
	addiu	$5,$sp,16

	li	$3,1			# 0x1
	beq	$2,$3,$L238
	nop

	lw	$4,16($18)
	lw	$2,28($4)
	andi	$2,$2,0x2
	bne	$2,$0,$L280
	nop

$L240:
	lui	$6,%hi($LC9)
$L287:
	addiu	$6,$6,%lo($LC9)
	li	$4,7			# 0x7
	jal	mp_msg
	li	$5,6			# 0x6

	move	$2,$0
$L245:
	lw	$31,52($sp)
	lw	$20,48($sp)
	lw	$19,44($sp)
	lw	$18,40($sp)
	lw	$17,36($sp)
	lw	$16,32($sp)
	j	$31
	addiu	$sp,$sp,56

$L280:
	lw	$6,44($4)
	lw	$2,36($4)
	lw	$7,40($4)
	addu	$2,$6,$2
	subu	$2,$2,$7
	addiu	$5,$2,-8
	slt	$3,$5,$6
	beq	$3,$0,$L242
	subu	$2,$6,$7

	subu	$2,$5,$2
	bltz	$2,$L242
	nop

	j	$L240
	sw	$2,36($4)

$L238:
	lw	$16,16($18)
	lw	$3,36($16)
	lw	$4,40($16)
	sltu	$2,$3,$4
	beq	$2,$0,$L246
	addiu	$5,$3,1

	lw	$2,80($16)
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$5,36($16)
	sll	$20,$3,8
$L248:
	sltu	$2,$5,$4
	beq	$2,$0,$L251
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	move	$19,$3
	sw	$5,36($16)
$L253:
	sltu	$2,$5,$4
	beq	$2,$0,$L256
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	move	$17,$3
	sw	$5,36($16)
$L258:
	sltu	$2,$5,$4
	beq	$2,$0,$L261
	nop

	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	move	$7,$3
	sw	$5,36($16)
$L263:
	lw	$4,16($18)
	or	$2,$19,$20
	sll	$2,$2,8
	lw	$3,28($4)
	or	$2,$2,$17
	sll	$2,$2,8
	andi	$3,$3,0x2
	beq	$3,$0,$L266
	or	$16,$2,$7

	lw	$6,44($4)
	lw	$2,36($4)
	lw	$7,40($4)
	addu	$2,$6,$2
	subu	$2,$2,$7
	addiu	$5,$2,-12
	slt	$3,$5,$6
	beq	$3,$0,$L268
	subu	$2,$6,$7

	subu	$2,$5,$2
	bltz	$2,$L268
	nop

	sw	$2,36($4)
$L266:
	lui	$6,%hi($LC10)
$L288:
	li	$4,5			# 0x5
	addiu	$6,$6,%lo($LC10)
	li	$5,6			# 0x6
	jal	mp_msg
	move	$7,$16

	lw	$4,24($sp)
	li	$2,4			# 0x4
	beq	$4,$2,$L281
	lui	$6,%hi($LC15)

$L289:
	addiu	$6,$6,%lo($LC15)
	li	$4,7			# 0x7
	jal	mp_msg
	li	$5,6			# 0x6

	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	$2,34			# 0x22
	j	$31
	addiu	$sp,$sp,56

$L242:
	jal	stream_seek_long
	nop

	j	$L287
	lui	$6,%hi($LC9)

$L261:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L282
	nop

	lw	$3,36($16)
	lw	$2,80($16)
	addiu	$5,$3,1
	addu	$2,$2,$3
	lbu	$4,0($2)
	sw	$5,36($16)
	j	$L263
	move	$7,$4

$L256:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L283
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$4,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	move	$17,$3
	j	$L258
	sw	$5,36($16)

$L251:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L284
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$4,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	move	$19,$3
	j	$L253
	sw	$5,36($16)

$L246:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L285
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$4,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$20,$3,8
	j	$L248
	sw	$5,36($16)

$L281:
	li	$3,-2097152			# 0xffffffffffe00000
	and	$2,$16,$3
	beq	$2,$3,$L273
	lui	$6,%hi($LC11)

	addiu	$6,$6,%lo($LC11)
	li	$4,5			# 0x5
	jal	mp_msg
	li	$5,6			# 0x6

	j	$L245
	move	$2,$0

$L268:
	jal	stream_seek_long
	nop

	j	$L288
	lui	$6,%hi($LC10)

$L285:
	lw	$5,36($16)
	lw	$4,40($16)
	j	$L248
	li	$20,-65536			# 0xffffffffffff0000

$L284:
	lw	$5,36($16)
	lw	$4,40($16)
	j	$L253
	li	$19,-256			# 0xffffffffffffff00

$L283:
	lw	$5,36($16)
	lw	$4,40($16)
	j	$L258
	li	$17,-256			# 0xffffffffffffff00

$L282:
	j	$L263
	li	$7,-256			# 0xffffffffffffff00

$L273:
	srl	$2,$16,17
	andi	$2,$2,0x3
	addiu	$3,$4,-2
	beq	$2,$3,$L275
	lui	$6,%hi($LC12)

	addiu	$6,$6,%lo($LC12)
	li	$4,5			# 0x5
	jal	mp_msg
	li	$5,6			# 0x6

	j	$L245
	move	$2,$0

$L275:
	srl	$2,$16,10
	andi	$2,$2,0x3
	li	$3,3			# 0x3
	beq	$2,$3,$L286
	lui	$6,%hi($LC14)

	addiu	$6,$6,%lo($LC14)
	li	$4,5			# 0x5
	jal	mp_msg
	li	$5,6			# 0x6

	j	$L289
	lui	$6,%hi($LC15)

$L286:
	lui	$6,%hi($LC13)
	addiu	$6,$6,%lo($LC13)
	li	$4,5			# 0x5
	jal	mp_msg
	li	$5,6			# 0x6

	j	$L245
	move	$2,$0

	.set	macro
	.set	reorder
	.end	lmlm4_check_file
	.globl	demuxer_desc_lmlm4
	.section	.rodata.str1.4
	.align	2
$LC16:
	.ascii	"LMLM4 MPEG4 Compression Card stream demuxer\000"
	.align	2
$LC17:
	.ascii	"lmlm4\000"
	.align	2
$LC18:
	.ascii	"RAW LMLM4\000"
	.align	2
$LC19:
	.ascii	"Maxim Yevtyushkin\000"
	.subsection	-1
	.align	2
$LC20:
	.ascii	"\000"
	.data
	.align	2
	.type	demuxer_desc_lmlm4, @object
	.size	demuxer_desc_lmlm4, 52
demuxer_desc_lmlm4:
	.word	$LC16
	.word	$LC17
	.word	$LC18
	.word	$LC19
	.word	$LC20
	.word	34
	.word	0
	.word	lmlm4_check_file
	.word	demux_lmlm4_fill_buffer
	.word	demux_open_lmlm4
	.word	demux_close_lmlm4
	.word	0
	.word	0
	.local	frames
	.comm	frames,4,4
	.local	video
	.comm	video,4,4
	.ident	"GCC: (GNU) 4.1.2"