ffv1.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 4,920 行 · 第 1/5 页

	.set	nomacro
	bne	$2,$0,$L384
	srl	$3,$5,16
	.set	macro
	.set	reorder

	move	$3,$5
	move	$4,$0
$L386:
	andi	$2,$3,0xff00
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L474
	lui	$2,%hi(ff_log2_tab)
	.set	macro
	.set	reorder

	srl	$3,$3,8
	addiu	$4,$4,8
$L474:
	addiu	$2,$2,%lo(ff_log2_tab)
	addu	$2,$3,$2
	lbu	$3,0($2)
	addu	$6,$4,$3
	slt	$2,$6,20
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L389
	srl	$3,$5,12
	.set	macro
	.set	reorder

	li	$3,30			# 0x1e
	subu	$4,$6,$9
	srl	$4,$5,$4
	subu	$3,$3,$6
	addiu	$5,$10,32
	subu	$2,$9,$6
	sll	$3,$3,$9
	addu	$2,$2,$5
	addu	$3,$4,$3
	sw	$2,8($11)
$L391:
	addiu	$3,$3,1
	andi	$2,$3,0x1
	beq	$2,$0,$L392
	lh	$6,0($8)
	lbu	$5,5($8)
	sll	$2,$6,1
	addu	$2,$2,$5
	sra	$2,$2,31
	sra	$3,$3,1
	xor	$3,$3,$2
	lb	$4,4($8)
	.set	noreorder
	.set	nomacro
	bltz	$3,$L462
	move	$2,$3
	.set	macro
	.set	reorder

$L395:
	addu	$2,$7,$2
	andi	$7,$2,0xffff
	li	$2,128			# 0x80
	sh	$7,2($8)
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L396
	addu	$6,$6,$3
	.set	macro
	.set	reorder

$L465:
	addiu	$7,$5,1
	subu	$5,$0,$7
	slt	$2,$5,$6
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L399
	andi	$9,$7,0x00ff
	.set	macro
	.set	reorder

$L466:
	li	$2,-128			# 0xffffffffffffff80
	.set	noreorder
	.set	nomacro
	beq	$4,$2,$L401
	addiu	$2,$4,-1
	.set	macro
	.set	reorder

	sb	$2,4($8)
$L401:
	addu	$6,$6,$7
	slt	$2,$5,$6
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L475
	sll	$5,$6,16
	.set	macro
	.set	reorder

	li	$2,1			# 0x1
	subu	$5,$2,$7
$L405:
	addu	$2,$3,$4
	sll	$10,$2,24
	sra	$10,$10,24
	sb	$9,5($8)
	.set	noreorder
	.set	nomacro
	j	$L319
	sh	$5,0($8)
	.set	macro
	.set	reorder

$L332:
	.set	noreorder
	.set	nomacro
	bne	$25,$2,$L335
	sll	$3,$7,1
	.set	macro
	.set	reorder

	addiu	$9,$16,544
	lw	$5,8($9)
	lw	$6,544($16)
	sra	$2,$5,3
	addu	$2,$6,$2
	lbu	$3,0($2)
	andi	$4,$5,0x7
	sll	$3,$3,$4
	andi	$3,$3,0x00ff
	addiu	$8,$5,1
	srl	$3,$3,7
	.set	noreorder
	.set	nomacro
	beq	$3,$0,$L337
	sw	$8,8($9)
	.set	macro
	.set	reorder

	lui	$2,%hi(log2_run)
	addiu	$2,$2,%lo(log2_run)
	addu	$2,$22,$2
	lbu	$3,0($2)
	sll	$3,$25,$3
	addu	$2,$3,$15
	slt	$2,$18,$2
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L476
	addiu	$24,$3,-1
	.set	macro
	.set	reorder

	addiu	$22,$22,1
$L476:
	.set	noreorder
	.set	nomacro
	bgez	$24,$L319
	move	$10,$0
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L467
	sll	$3,$7,1
	.set	macro
	.set	reorder

$L317:
	subu	$4,$4,$6
	sw	$4,0($7)
	lbu	$2,11($14)
	move	$6,$3
	addu	$2,$2,$7
	lbu	$3,272($2)
	slt	$4,$6,256
	sb	$3,11($14)
	.set	noreorder
	.set	nomacro
	beq	$4,$0,$L323
	sw	$6,4($7)
	.set	macro
	.set	reorder

	lw	$3,0($7)
	lw	$8,532($7)
	lw	$2,536($7)
	sll	$6,$6,8
	sll	$4,$3,8
	sltu	$2,$8,$2
	sw	$6,4($7)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L325
	sw	$4,0($7)
	.set	macro
	.set	reorder

	lbu	$2,0($8)
	addu	$4,$4,$2
	sw	$4,0($7)
$L325:
	addiu	$2,$8,1
	sw	$2,532($7)
$L323:
	.set	noreorder
	.set	nomacro
	j	$L319
	subu	$10,$0,$10
	.set	macro
	.set	reorder

$L425:
	.set	noreorder
	.set	nomacro
	bgez	$9,$L302
	lw	$4,0($7)
	.set	macro
	.set	reorder

$L452:
	.set	noreorder
	.set	nomacro
	j	$L304
	li	$10,1			# 0x1
	.set	macro
	.set	reorder

$L358:
	lh	$11,0($8)
	sra	$2,$3,1
	lbu	$5,5($8)
	subu	$3,$0,$2
	sll	$2,$11,1
	addu	$2,$2,$5
	sra	$2,$2,31
	lb	$9,4($8)
	xor	$4,$3,$2
	addu	$3,$4,$9
	sll	$10,$3,24
	sra	$10,$10,24
	.set	noreorder
	.set	nomacro
	bgez	$4,$L361
	move	$2,$4
	.set	macro
	.set	reorder

$L460:
	subu	$2,$0,$4
	addu	$2,$7,$2
	andi	$6,$2,0xffff
	li	$2,128			# 0x80
	addu	$3,$11,$4
	.set	noreorder
	.set	nomacro
	bne	$5,$2,$L463
	sh	$6,2($8)
	.set	macro
	.set	reorder

$L362:
	srl	$2,$6,1
	sra	$3,$3,1
	li	$5,-65			# 0xffffffffffffffbf
	sh	$2,2($8)
	slt	$2,$5,$3
	li	$4,65			# 0x41
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L464
	li	$6,65			# 0x41
	.set	macro
	.set	reorder

$L365:
	.set	noreorder
	.set	nomacro
	blez	$3,$L444
	sll	$2,$3,16
	.set	macro
	.set	reorder

	li	$2,127			# 0x7f
	.set	noreorder
	.set	nomacro
	beq	$9,$2,$L374
	addiu	$2,$9,1
	.set	macro
	.set	reorder

	sb	$2,4($8)
$L374:
	subu	$2,$3,$4
	blez	$2,$L376
	.set	noreorder
	.set	nomacro
	j	$L371
	move	$2,$0
	.set	macro
	.set	reorder

$L355:
	addiu	$2,$10,20
	addiu	$3,$3,11
	.set	noreorder
	.set	nomacro
	j	$L357
	sw	$2,8($11)
	.set	macro
	.set	reorder

$L350:
	.set	noreorder
	.set	nomacro
	j	$L352
	li	$4,16			# 0x10
	.set	macro
	.set	reorder

$L444:
$L473:
	.set	noreorder
	.set	nomacro
	j	$L371
	sra	$2,$2,16
	.set	macro
	.set	reorder

$L392:
	lh	$6,0($8)
	sra	$2,$3,1
	lbu	$5,5($8)
	subu	$3,$0,$2
	sll	$2,$6,1
	addu	$2,$2,$5
	sra	$2,$2,31
	xor	$3,$3,$2
	lb	$4,4($8)
	.set	noreorder
	.set	nomacro
	bgez	$3,$L395
	move	$2,$3
	.set	macro
	.set	reorder

$L462:
	subu	$2,$0,$3
	addu	$2,$7,$2
	andi	$7,$2,0xffff
	li	$2,128			# 0x80
	sh	$7,2($8)
	.set	noreorder
	.set	nomacro
	bne	$5,$2,$L465
	addu	$6,$6,$3
	.set	macro
	.set	reorder

$L396:
	srl	$2,$7,1
	sra	$6,$6,1
	li	$5,-65			# 0xffffffffffffffbf
	sh	$2,2($8)
	slt	$2,$5,$6
	li	$7,65			# 0x41
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L466
	li	$9,65			# 0x41
	.set	macro
	.set	reorder

$L399:
	.set	noreorder
	.set	nomacro
	blez	$6,$L445
	li	$2,127			# 0x7f
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$4,$2,$L408
	addiu	$2,$4,1
	.set	macro
	.set	reorder

	sb	$2,4($8)
$L408:
	subu	$2,$6,$7
	blez	$2,$L410
	.set	noreorder
	.set	nomacro
	j	$L405
	move	$5,$0
	.set	macro
	.set	reorder

$L389:
	addiu	$2,$10,20
	addiu	$3,$3,11
	.set	noreorder
	.set	nomacro
	j	$L391
	sw	$2,8($11)
	.set	macro
	.set	reorder

$L384:
	.set	noreorder
	.set	nomacro
	j	$L386
	li	$4,16			# 0x10
	.set	macro
	.set	reorder

$L445:
	sll	$5,$6,16
$L475:
	.set	noreorder
	.set	nomacro
	j	$L405
	sra	$5,$5,16
	.set	macro
	.set	reorder

$L337:
	lui	$2,%hi(log2_run)
	addiu	$2,$2,%lo(log2_run)
	addu	$2,$22,$2
	lbu	$10,0($2)
	.set	noreorder
	.set	nomacro
	bne	$10,$0,$L341
	sra	$4,$8,3
	.set	macro
	.set	reorder

	li	$24,-1			# 0xffffffffffffffff
$L343:
	beq	$22,$0,$L443
	addiu	$22,$22,-1
$L443:
	.set	noreorder
	.set	nomacro
	bgez	$24,$L286
	li	$25,2			# 0x2
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L467
	sll	$3,$7,1
	.set	macro
	.set	reorder

$L451:
	move	$14,$5
	.set	noreorder
	.set	nomacro
	j	$L292
	li	$9,-1			# 0xffffffffffffffff
	.set	macro
	.set	reorder

$L459:
	.set	noreorder
	.set	nomacro
	j	$L348
	move	$9,$0
	.set	macro
	.set	reorder

$L376:
	sll	$2,$2,16
	.set	noreorder
	.set	nomacro
	j	$L371
	sra	$2,$2,16
	.set	macro
	.set	reorder

$L341:
	addu	$4,$4,$6
	lbu	$3,0($4)
	lbu	$5,1($4)
	lbu	$6,3($4)
	lbu	$2,2($4)
	sll	$3,$3,24
	sll	$5,$5,16
	or	$3,$3,$5
	or	$3,$3,$6
	sll	$2,$2,8
	or	$2,$2,$3
	andi	$4,$8,0x7
	sll	$2,$2,$4
	subu	$3,$0,$10
	srl	$2,$2,$3
	addu	$4,$8,$10
	addiu	$24,$2,-1
	.set	noreorder
	.set	nomacro
	j	$L343
	sw	$4,8($9)
	.set	macro
	.set	reorder

$L461:
	.set	noreorder
	.set	nomacro
	j	$L382
	move	$9,$0
	.set	macro
	.set	reorder

$L410:
	sll	$5,$2,16
	.set	noreorder
	.set	nomacro
	j	$L405
	sra	$5,$5,16
	.set	macro
	.set	reorder

$L448:
	move	$4,$17
	.set	noreorder
	.set	nomacro
	jal	memset
	move	$5,$0
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	j	$L468
	lw	$2,84($fp)
	.set	macro
	.set	reorder

$L264:
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L251
	sb	$0,1($4)
	.set	macro
	.set	reorder

$L254:
	addiu	$4,$17,2
	sb	$0,0($17)
	.set	noreorder
	.set	nomacro
	j	$L252
	sb	$0,1($17)
	.set	macro
	.set	reorder

$L255:
	addiu	$4,$17,3
	sb	$0,0($17)
	sb	$0,1($17)
	.set	noreorder
	.set	nomacro
	j	$L252
	sb	$0,2($17)
	.set	macro
	.set	reorder

$L265:
	sb	$0,6($5)
	sb	$0,4($5)
	.set	noreorder
	.set	nomacro
	j	$L251
	sb	$0,5($5)
	.set	macro
	.set	reorder

$L450:
	.set	noreorder
	.set	nomacro
	j	$L251
	sb	$0,4($5)
	.set	macro
	.set	reorder

$L449:
	addiu	$4,$17,1
	.set	noreorder
	.set	nomacro
	j	$L252
	sb	$0,0($17)
	.set	macro
	.set	reorder

	.end	decode_plane
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"format not supported\012\000"
	.align	2
$LC1:
	.ascii	"chroma subsampling not supported in this colorspace\012\000"
	.align	2
$LC2:
	.ascii	"colorspace not supported\012\000"
	.align	2
$LC3:
	.ascii	"read_quant_table error\012\000"
	.align	2
$LC4:
	.ascii	"get_buffer() failed\012\000"
	.align	2
$LC5:
	.ascii	"keyframe:%d coder:%d\012\000"
	.align	2
$LC6:
	.ascii	"error at end of AC stream\012\000"
	.align	2
$LC7:
	.ascii	"error at end of frame\012\000"
	.section	.text.decode_frame,"ax",@progbits
	.align	2
	.align	5
	.ent	decode_frame
	.type	decode_frame, @function
decode_frame:
	.frame	$sp,144,$31		# vars= 80, regs= 10/0, args= 24, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-144
	sw	$31,140($sp)
	sw	$19,116($sp)
	sw	$fp,136($sp)
	sw	$23,132($sp)
	sw	$22,128($sp)
	sw	$21,124($sp)
	sw	$20,120($sp)
	sw	$18,112($sp)
	sw	$17,108($sp)
	sw	$16,104($sp)
	lw	$22,136($4)
	sw	$6,152($sp)
	addiu	$19,$22,4
	lw	$2,584($22)
	lw	$3,588($22)
	lw	$6,160($sp)
	sw	$4,144($sp)
	sw	$5,148($sp)
	move	$4,$19
	move	$5,$7
	sw	$7,156($sp)
	sw	$2,96($sp)
	jal	ff_init_range_decoder
	sw	$3,92($sp)

	li	$5,214695936			# 0xccc0000
	move	$4,$19
	ori	$5,$5,0xcccc
	jal	ff_build_rac_states
	li	$6,248			# 0xf8

	addiu	$4,$22,608
	li	$2,1			# 0x1
	sw	$2,52($4)
	lw	$3,4($19)
	lw	$7,4($22)
	sll	$2,$3,7
	sra	$5,$2,8
	subu	$6,$3,$5
	slt	$2,$7,$6
	sw	$4,88($sp)
	beq	$2,$0,$L478
	sw	$6,4($19)

	slt	$2,$6,256
	bne	$2,$0,$L872
	sll	$3,$7,8

$L480:
	lw	$2,88($sp)
	sw	$0,48($2)
$L488:
	lw	$2,820($22)
$L924:
	beq	$2,$0,$L873
	lw	$3,144($sp)

$L926:
	lw	$4,88($sp)
	lw	$2,260($3)
	lw	$5,88($sp)
	sw	$0,80($4)
	jal	$2
	move	$4,$3

	bltz	$2,$L825
	lw	$3,144($sp)

	lw	$2,412($3)
	andi	$2,$2,0x1
	bne	$2,$0,$L874
	lui	$6,%hi($LC5)

	lw	$2,812($22)
	beq	$2,$0,$L784
	nop

	lw	$2,3444($22)
$L922:
	bne	$2,$0,$L793
	move	$20,$0

$L883:
	lw	$4,88($sp)
	lw	$3,596($22)
	lw	$5,0($4)
	lw	$8,16($4)
	lw	$4,96($sp)
	lw	$2,592($22)
	subu	$16,$0,$4
	lw	$4,92($sp)
	lw	$6,96($sp)
	move	$7,$4
	subu	$17,$0,$4
	move	$4,$22
	sra	$17,$17,$3
	sra	$16,$16,$2
	sw	$8,16($sp)
	jal	decode_plane
	sw	$0,20($sp)

	lw	$2,88($sp)
	subu	$16,$0,$16
	lw	$5,4($2)
	subu	$17,$0,$17
	lw	$2,20($2)
	li	$18,1			# 0x1
	move	$4,$22
	move	$6,$16
	move	$7,$17
	sw	$2,16($sp)
	jal	decode_plane
	sw	$18,20($sp)

	lw	$3,88($sp)
	move	$6,$16
	lw	$5,8($3)
	lw	$2,24($3)
	move	$7,$17
	move	$4,$22
	sw	$2,16($sp)
	jal	decode_plane
	sw	$18,20($sp)

	lw	$2,604($22)
$L921:
	lw	$6,88($sp)
	addiu	$2,$2,1
	lw	$7,148($sp)
	sw	$2,604($22)
	addiu	$8,$6,192
$L797:
	lw	$2,0($6)
	lw	$3,4($6)
	lw	$4,8($6)
	lw	$5,12($6)
	addiu	$6,$6,16
	sw	$2,0($7)
	sw	$3,4($7)
	sw	$4,8($7)
	sw	$5,12($7)
	bne	$6,$8,$L797
	addiu	$7,$7,16

	lw	$2,4($6)
	lw	$3,0($6)
	sw	$2,4($7)
	sw	$3,0($7)
	lw	$2,144($sp)
	lw	$5,88($sp)
	lw	$6,264($2)
	jal	$6
	move	$4,$2

	lw	$3,152($sp)
	li	$2,200			# 0xc8
	sw	$2,0($3)
	lw	$3,812($22)
	beq	$3,$0,$L798
	lw	$31,140($sp)

	lw	$3,528($19)
	lw	$2,532($19)
	subu	$2,$2,$3
	addiu	$16,$2,-1
	beq	$16,$0,$L875
	lui	$6,%hi($LC7)

$L702:
	move	$2,$16
	lw	$31,140($sp)
	lw	$fp,136($sp)
	lw	$23,132($sp)
	lw	$22,128($sp)
	lw	$21,124($sp)
	lw	$20,120($sp)
	lw	$19,116($sp)
	lw	$18,112($sp)
	lw	$17,108($sp)
	lw	$16,104($sp)
	j	$31
	addiu	$sp,$sp,144

$L478:
	subu	$3,$7,$6
	slt	$2,$5,256
	move	$6,$5
	sw	$3,4($22)
	bne	$2,$0,$L876
	sw	$5,4($19)

$L484:
	lw	$4,88($sp)
	li	$2,1			# 0x1
	addiu	$16,$sp,24
	sw	$2,48($4)
	li	$5,128			# 0x80
	move	$4,$16
	jal	memset
	li	$6,32			# 0x20

	lw	$3,4($19)
	lbu	$2,24($sp)
	lw	$5,0($19)
	mul	$2,$3,$2
	sra	$4,$2,8
	subu	$6,$3,$4
	slt	$2,$5,$6
	beq	$2,$0,$L877
	sw	$6,4($19)

	lbu	$2,24($sp)
	addu	$2,$2,$19
	lbu	$3,16($2)
	sb	$3,24($sp)
	lw	$6,4($19)
	slt	$2,$6,256
	bne	$2,$0,$L878
	nop

	lw	$9,0($19)
$L490:
	lbu	$2,25($sp)
	mul	$2,$2,$6
	sra	$5,$2,8
	subu	$6,$6,$5
	slt	$2,$9,$6
	bne	$2,$0,$L879
	sw	$6,4($19)

	addiu	$7,$sp,26
	addiu	$8,$sp,25
$L506:
	subu	$9,$9,$6
	sw	$9,0($19)
	lbu	$2,0($8)
	slt	$4,$5,256
	addu	$2,$2,$19
	lbu	$3,272($2)
	move	$6,$5
	sb	$3,0($8)
	beq	$4,$0,$L810
	sw	$5,4($19)

	lw	$9,0($19)
	lw	$5,532($19)
	lw	$2,536($19)
	sll	$6,$6,8
	sll	$9,$9,8
	sltu	$2,$5,$2
	sw	$6,4($19)
	beq	$2,$0,$L509
	sw	$9,0($19)

	lbu	$2,0($5)
	addu	$9,$9,$2
	sw	$9,0($19)
$L509:
	addiu	$5,$5,1
	sw	$5,532($19)
$L507:
	lw	$2,4($19)
	lbu	$3,0($7)
	move	$8,$7
	mul	$3,$2,$3
	addiu	$7,$7,1
	sra	$5,$3,8
	subu	$6,$2,$5
	slt	$3,$9,$6
	beq	$3,$0,$L506
	sw	$6,4($19)

	subu	$2,$7,$16
	addiu	$10,$2,-3
$L501:
	lbu	$2,0($8)
	addu	$2,$2,$19
	lbu	$3,16($2)
	sb	$3,0($8)
	lw	$4,4($19)
	slt	$2,$4,256
	beq	$2,$0,$L502
	sll	$6,$4,8

	lw	$3,0($19)
	lw	$5,532($19)
	lw	$2,536($19)
	sll	$9,$3,8
	sltu	$2,$5,$2
	sw	$6,4($19)
	beq	$2,$0,$L504
	sw	$9,0($19)

	lbu	$2,0($5)
	addu	$9,$9,$2
	sw	$9,0($19)
$L504:
	addiu	$5,$5,1
	sw	$5,532($19)
$L502:
	bltz	$10,$L880
	addu	$2,$16,$10

	addiu	$8,$2,22
	j	$L514
	li	$11,1			# 0x1

$L881:
	lbu	$2,0($8)
	addu	$2,$2,$19
	lbu	$3,16($2)
	sb	$3,0($8)
	lw	$4,4($19)
	slt	$2,$4,256
	bne	$2,$0,$L517
	sll	$6,$4,8

	move	$2,$0
$L519:
	addu	$2,$2,$11
	addu	$11,$11,$2
	addiu	$10,$10,-1
	li	$2,-1			# 0xffffffffffffffff
	beq	$10,$2,$L513
	addiu	$8,$8,-1

$L514:
	lw	$2,4($19)
	lbu	$3,0($8)
	lw	$5,0($19)
	mul	$3,$2,$3
	sra	$7,$3,8
	subu	$6,$2,$7
	slt	$3,$5,$6
	bne	$3,$0,$L881
	sw	$6,4($19)

	subu	$9,$5,$6
	sw	$9,0($19)
	lbu	$2,0($8)