aviheader.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 4,738 行 · 第 1/5 页

	.file	1 "aviheader.c"
	.section .mdebug.abi32
	.previous
	.section	.text.avi_idx_cmp,"ax",@progbits
	.align	2
	.align	5
	.globl	avi_idx_cmp
	.ent	avi_idx_cmp
	.type	avi_idx_cmp, @function
avi_idx_cmp:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$2,8($4)
	lw	$3,8($5)
	slt	$4,$2,$3
	slt	$2,$3,$2
	j	$31
	subu	$2,$2,$4

	.set	macro
	.set	reorder
	.end	avi_idx_cmp
	.section	.text.stream_read_dword_le,"ax",@progbits
	.align	2
	.align	5
	.ent	stream_read_dword_le
	.type	stream_read_dword_le, @function
stream_read_dword_le:
	.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
	.mask	0x800f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-40
	sw	$16,16($sp)
	sw	$31,32($sp)
	sw	$19,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	lw	$3,36($4)
	lw	$6,40($4)
	sltu	$2,$3,$6
	beq	$2,$0,$L4
	move	$16,$4

	lw	$2,80($4)
	addiu	$5,$3,1
	addu	$2,$3,$2
	lbu	$3,0($2)
	sw	$5,36($4)
	move	$19,$3
$L6:
	sltu	$2,$5,$6
	beq	$2,$0,$L9
	nop

$L27:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$18,$3,8
	sw	$5,36($16)
$L11:
	sltu	$2,$5,$6
	beq	$2,$0,$L14
	nop

$L29:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$17,$3,16
	sw	$5,36($16)
$L16:
	sltu	$2,$5,$6
	beq	$2,$0,$L19
	nop

$L31:
	lw	$2,80($16)
	addu	$2,$5,$2
	lbu	$3,0($2)
	addiu	$5,$5,1
	sll	$2,$3,24
	sw	$5,36($16)
	or	$3,$19,$2
$L32:
	lw	$31,32($sp)
	or	$2,$17,$18
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	or	$2,$2,$3
	j	$31
	addiu	$sp,$sp,40

$L4:
	jal	stream_fill_buffer
	nop

	beq	$2,$0,$L26
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$6,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	sltu	$2,$5,$6
	sw	$5,36($16)
	bne	$2,$0,$L27
	move	$19,$3

$L9:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L28
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$6,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	sltu	$2,$5,$6
	sw	$5,36($16)
	bne	$2,$0,$L29
	sll	$18,$3,8

$L14:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L30
	nop

	lw	$5,36($16)
	lw	$2,80($16)
	lw	$6,40($16)
	addu	$2,$2,$5
	lbu	$3,0($2)
	addiu	$5,$5,1
	sltu	$2,$5,$6
	sw	$5,36($16)
	bne	$2,$0,$L31
	sll	$17,$3,16

$L19:
	jal	stream_fill_buffer
	move	$4,$16

	beq	$2,$0,$L32
	or	$3,$19,$2

	lw	$3,36($16)
	lw	$2,80($16)
	addiu	$5,$3,1
	addu	$2,$2,$3
	lbu	$4,0($2)
	sw	$5,36($16)
	sll	$2,$4,24
	or	$3,$19,$2
	lw	$31,32($sp)
	or	$2,$17,$18
	lw	$19,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	or	$2,$2,$3
	j	$31
	addiu	$sp,$sp,40

$L28:
	lw	$5,36($16)
	lw	$6,40($16)
	j	$L11
	li	$18,-65536			# 0xffffffffffff0000

$L30:
	lw	$5,36($16)
	lw	$6,40($16)
	j	$L16
	li	$17,-16777216			# 0xffffffffff000000

$L26:
	lw	$5,36($16)
	lw	$6,40($16)
	j	$L6
	li	$19,-256			# 0xffffffffffffff00

	.set	macro
	.set	reorder
	.end	stream_read_dword_le
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"LIST %.4s  len=%u\012\000"
	.align	2
$LC1:
	.ascii	"** empty list?!\012\000"
	.align	2
$LC2:
	.ascii	"list_end=0x%X\012\000"
	.align	2
$LC3:
	.ascii	"Found movie at 0x%X - 0x%X\012\000"
	.align	2
$LC4:
	.ascii	"CHUNK %.4s  len=%u\012\000"
	.align	2
$LC5:
	.ascii	"Archival Location\000"
	.align	2
$LC6:
	.ascii	"Artist\000"
	.align	2
$LC7:
	.ascii	"Commissioned\000"
	.align	2
$LC8:
	.ascii	"Comments\000"
	.align	2
$LC9:
	.ascii	"Copyright\000"
	.align	2
$LC10:
	.ascii	"Creation Date\000"
	.align	2
$LC11:
	.ascii	"Cropped\000"
	.align	2
$LC12:
	.ascii	"Dimensions\000"
	.align	2
$LC13:
	.ascii	"Dots Per Inch\000"
	.align	2
$LC14:
	.ascii	"Engineer\000"
	.align	2
$LC15:
	.ascii	"Genre\000"
	.align	2
$LC16:
	.ascii	"Keywords\000"
	.align	2
$LC17:
	.ascii	"Lightness\000"
	.align	2
$LC18:
	.ascii	"Medium\000"
	.align	2
$LC19:
	.ascii	"Name\000"
	.align	2
$LC20:
	.ascii	"Palette Setting\000"
	.align	2
$LC21:
	.ascii	"Product\000"
	.align	2
$LC22:
	.ascii	"Subject\000"
	.align	2
$LC23:
	.ascii	"Software\000"
	.align	2
$LC24:
	.ascii	"Sharpness\000"
	.align	2
$LC25:
	.ascii	"Source\000"
	.align	2
$LC26:
	.ascii	"Source Form\000"
	.align	2
$LC27:
	.ascii	"Technician\000"
	.align	2
$LC28:
	.ascii	"Time Code\000"
	.align	2
$LC29:
	.ascii	"stream_read: WARNING! s->buf_pos>s->buf_len\012\000"
	.align	2
$LC30:
	.ascii	"[%s] Video stream found, -vid %d\012\000"
	.align	2
$LC31:
	.ascii	"aviheader\000"
	.globl	__floatsisf
	.globl	__addsf3
	.globl	__mulsf3
	.globl	__divsf3
	.align	2
$LC32:
	.ascii	"[%s] Audio stream found, -aid %d\012\000"
	.align	2
$LC33:
	.ascii	"indx\000"
	.align	2
$LC34:
	.ascii	"Broken super index chunk size: %u\012\000"
	.align	2
$LC35:
	.ascii	"Broken super index chunk\012\000"
	.align	2
$LC36:
	.ascii	"ODML (%.4s): [%d] 0x%016llx 0x%04x %u\012\000"
	.align	2
$LC37:
	.ascii	"Found 'bih', %u bytes of %d\012\000"
	.align	2
$LC38:
	.ascii	"Regenerating keyframe table for M$ mpg4v1 video.\012\000"
	.align	2
$LC39:
	.ascii	"Regenerating keyframe table for DIVX3 video.\012\000"
	.align	2
$LC40:
	.ascii	"Regenerating keyframe table for MPEG-4 video.\012\000"
	.align	2
$LC41:
	.ascii	"Found 'wf', %d bytes of %d\012\000"
	.align	2
$LC42:
	.ascii	"AVI: dmlh found (size=%d) (total_frames=%d)\012\000"
	.align	2
$LC43:
	.ascii	"Reading INDEX block, %d chunks for %d frames (fpos=%lld)"
	.ascii	".\012\000"
	.align	2
$LC44:
	.ascii	"Additional RIFF header...\012\000"
	.align	2
$LC45:
	.ascii	"AVIX\000"
	.align	2
$LC46:
	.ascii	"** Warning: this is no extended AVI header..\012\000"
	.align	2
$LC47:
	.ascii	"%-10s: %s\012\000"
	.align	2
$LC48:
	.ascii	"list_end=0x%llX  pos=0x%llX  chunksize=0x%llX  next=0x%l"
	.ascii	"lX\012\000"
	.align	2
$LC49:
	.ascii	"Broken chunk?  chunksize=%d  (id=%.4s)\012\000"
	.align	2
$LC50:
	.ascii	"AVI: ODML: Building ODML index (%d superindexchunks).\012"
	.ascii	"\000"
	.align	2
$LC51:
	.ascii	"AVI: ODML: Broken (incomplete?) file detected. Will use "
	.ascii	"traditional index.\012\000"
	.align	2
$LC52:
	.ascii	"r\000"
	.align	2
$LC53:
	.ascii	"Can't read index file %s: %s\012\000"
	.align	2
$LC54:
	.ascii	"MPIDX1\000"
	.align	2
$LC55:
	.ascii	"%s is not a valid MPlayer index file.\012\000"
	.align	2
$LC56:
	.ascii	"Could not allocate memory for index data from %s.\012\000"
	.align	2
$LC57:
	.ascii	"premature end of index file %s\012\000"
	.align	2
$LC58:
	.ascii	"Loaded index file: %s\012\000"
	.align	2
$LC59:
	.ascii	"%\000"
	.align	2
$LC60:
	.ascii	"MB\000"
	.align	2
$LC61:
	.ascii	"Generating Index: %3lu %s     \015\000"
	.align	2
$LC62:
	.ascii	"AVI: Generated index table for %d chunks!\012\000"
	.align	2
$LC63:
	.ascii	"w\000"
	.align	2
$LC64:
	.ascii	"Couldn't write index file %s: %s\012\000"
	.align	2
$LC65:
	.ascii	"Saved index file: %s\012\000"
	.align	2
$LC66:
	.ascii	"Digitization Time\000"
	.align	2
$LC67:
	.ascii	"hdr=%s  size=%u\012\000"
	.section	.text.read_avi_header,"ax",@progbits
	.align	2
	.align	5
	.globl	read_avi_header
	.ent	read_avi_header
	.type	read_avi_header, @function
read_avi_header:
	.frame	$sp,464,$31		# vars= 376, regs= 10/0, args= 48, gp= 0
	.mask	0xc0ff0000,-4
	.fmask	0x00000000,0
	addiu	$sp,$sp,-464
	sw	$23,452($sp)
	sw	$31,460($sp)
	sw	$fp,456($sp)
	sw	$22,448($sp)
	sw	$21,444($sp)
	sw	$20,440($sp)
	sw	$19,436($sp)
	sw	$18,432($sp)
	sw	$17,428($sp)
	sw	$16,424($sp)
	lw	$2,2248($4)
	addiu	$3,$sp,64
	sw	$5,468($sp)
	move	$23,$4
	lw	$18,16($4)
	li	$5,-1			# 0xffffffffffffffff
	andi	$4,$3,0x3
	sw	$2,388($sp)
	sw	$3,416($sp)
	sw	$4,380($sp)
	sw	$0,408($sp)
	sw	$0,404($sp)
	sw	$5,400($sp)
	sw	$0,396($sp)
	sw	$0,392($sp)
	sw	$0,384($sp)
	sw	$0,4($2)
	sw	$0,40($2)
$L878:
	.set	noreorder
	.set	nomacro
	jal	stream_read_dword_le
	move	$4,$18
	.set	macro
	.set	reorder

	lw	$5,16($23)
	sw	$2,52($sp)
	move	$6,$2
	lw	$2,56($5)
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L36
	lui	$2,%hi(index_file_save)
	.set	macro
	.set	reorder

$L1003:
	lw	$4,%lo(index_file_save)($2)
	lw	$2,468($sp)
	li	$3,2			# 0x2
	movn	$2,$3,$4
	sw	$2,468($sp)
	li	$2,1414725632			# 0x54530000
	ori	$2,$2,0x494c
	beq	$6,$2,$L882
	.set	noreorder
	.set	nomacro
	jal	stream_read_dword_le
	move	$4,$5
	.set	macro
	.set	reorder

	lui	$6,%hi($LC4)
	li	$4,8			# 0x8
	li	$5,7			# 0x7
	addiu	$6,$6,%lo($LC4)
	addiu	$7,$sp,52
	move	$16,$2
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	sw	$2,16($sp)
	.set	macro
	.set	reorder

	li	$2,1347223552			# 0x504d0000
	lw	$5,52($sp)
	ori	$4,$2,0x5349
	addiu	$3,$16,1
	li	$2,-2			# 0xfffffffffffffffe
	.set	noreorder
	.set	nomacro
	beq	$5,$4,$L74
	and	$22,$3,$2
	.set	macro
	.set	reorder

	slt	$2,$4,$5
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L92
	li	$2,1414332416			# 0x544d0000
	.set	macro
	.set	reorder

	li	$2,1196294144			# 0x474e0000
	ori	$2,$2,0x4549
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L65
	slt	$2,$2,$5
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L93
	li	$2,1263403008			# 0x4b4e0000
	.set	macro
	.set	reorder

	li	$3,1146224640			# 0x44520000
	ori	$2,$3,0x4349
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L61
	slt	$2,$2,$5
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L94
	li	$2,1178992640			# 0x46460000
	.set	macro
	.set	reorder

	li	$2,1129447424			# 0x43520000
	ori	$2,$2,0x5349
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L59
	li	$2,1145372672			# 0x44450000
	.set	macro
	.set	reorder

	ori	$2,$2,0x4d49
	.set	noreorder
	.set	nomacro
	beq	$5,$2,$L60
	li	$2,829947904			# 0x31780000
	.set	macro
	.set	reorder

	ori	$2,$2,0x6469
	beq	$5,$2,$L883
$L57:
	lw	$18,16($23)
$L986:
	lw	$12,384($sp)
	lw	$4,36($18)
	sra	$13,$12,31
	move	$10,$22
	move	$11,$0
$L127:
	lw	$2,44($18)
	lw	$5,40($18)
	addu	$2,$2,$4
	subu	$2,$2,$5
	sra	$3,$2,31
	addu	$8,$2,$10
	sltu	$4,$8,$2
	addu	$9,$3,$11
	lui	$6,%hi($LC48)
	addu	$9,$4,$9
	addiu	$6,$6,%lo($LC48)
	li	$4,8			# 0x8
	li	$5,7			# 0x7
	sw	$2,24($sp)
	sw	$12,16($sp)
	sw	$13,20($sp)
	sw	$8,40($sp)
	sw	$9,44($sp)
	sw	$3,28($sp)
	sw	$10,32($sp)
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	sw	$11,36($sp)
	.set	macro
	.set	reorder

	lw	$2,384($sp)
	blez	$2,$L755
	lw	$18,16($23)
	lw	$3,36($18)
	lw	$2,44($18)
	lw	$4,40($18)
	addu	$2,$2,$3
	subu	$2,$2,$4
	lw	$3,384($sp)
	addu	$2,$22,$2
	.set	noreorder
	.set	nomacro
	beq	$2,$3,$L884
	sltu	$2,$3,$2
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L885
	lui	$6,%hi($LC49)
	.set	macro
	.set	reorder

$L478:
	beq	$22,$0,$L878
	.set	noreorder
	.set	nomacro
	bltz	$22,$L886
	move	$16,$22
	.set	macro
	.set	reorder

	li	$2,262144			# 0x40000
	slt	$2,$2,$22
	bne	$2,$0,$L490
	blez	$22,$L878
$L757:
	lw	$6,40($18)
	.set	noreorder
	.set	nomacro
	j	$L802
	lw	$5,36($18)
	.set	macro
	.set	reorder

$L498:
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	.set	noreorder
	.set	nomacro
	blez	$16,$L758
	sw	$4,36($18)
	.set	macro
	.set	reorder

$L802:
	subu	$2,$6,$5
	move	$4,$18
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L498
	move	$3,$2
	.set	macro
	.set	reorder

	jal	stream_fill_buffer
	beq	$2,$0,$L758
	lw	$5,36($18)
	lw	$6,40($18)
	subu	$3,$6,$5
	slt	$2,$16,$3
	movn	$3,$16,$2
	addu	$4,$5,$3
	subu	$16,$16,$3
	move	$5,$4
	.set	noreorder
	.set	nomacro
	bgtz	$16,$L802
	sw	$4,36($18)
	.set	macro
	.set	reorder

$L758:
	lw	$18,16($23)
	.set	noreorder
	.set	nomacro
	jal	stream_read_dword_le
	move	$4,$18
	.set	macro
	.set	reorder

	lw	$5,16($23)
	sw	$2,52($sp)
	move	$6,$2
	lw	$2,56($5)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L1003
	lui	$2,%hi(index_file_save)
	.set	macro
	.set	reorder

$L36:
	lw	$5,388($sp)
$L1009:
	lw	$7,72($5)
	blez	$7,$L500
	lw	$2,4($5)
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L888
	li	$2,1			# 0x1
	.set	macro
	.set	reorder

$L500:
	lw	$6,388($sp)
	lw	$2,76($6)
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L1004
	lw	$3,468($sp)
	.set	macro
	.set	reorder

	lui	$19,%hi(index_file_load)
$L1016:
	lw	$4,%lo(index_file_load)($19)
$L978:
	.set	noreorder
	.set	nomacro
	beq	$4,$0,$L617
	lui	$5,%hi($LC52)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	FS_FOpen
	addiu	$5,$5,%lo($LC52)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L889
	move	$17,$2
	.set	macro
	.set	reorder

	addiu	$18,$sp,56
	li	$6,1			# 0x1
	move	$4,$18
	li	$5,6			# 0x6
	move	$7,$2
	.set	noreorder
	.set	nomacro
	jal	FS_FRead
	lui	$16,%hi($LC54)
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	jal	strlen
	addiu	$4,$16,%lo($LC54)
	.set	macro
	.set	reorder

	move	$6,$2
	sltu	$2,$2,6
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L621
	addiu	$5,$16,%lo($LC54)
	.set	macro
	.set	reorder

	sltu	$2,$6,4
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L623
	lbu	$3,%lo($LC54)($16)
	.set	macro
	.set	reorder

	lbu	$2,56($sp)
	addiu	$5,$16,%lo($LC54)
	.set	noreorder
	.set	nomacro
	beq	$6,$0,$L874
	subu	$2,$2,$3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L874
	sltu	$4,$6,2
	.set	macro
	.set	reorder

	lbu	$2,57($sp)
	lbu	$3,1($5)
	.set	noreorder
	.set	nomacro
	bne	$4,$0,$L874
	subu	$2,$2,$3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L874
	li	$4,2			# 0x2
	.set	macro
	.set	reorder

	lbu	$2,58($sp)
	lbu	$3,2($5)
	.set	noreorder
	.set	nomacro
	beq	$6,$4,$L874
	subu	$2,$2,$3
	.set	macro
	.set	reorder

	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L982
	sltu	$2,$0,$2
	.set	macro
	.set	reorder

	lbu	$3,3($5)
	lbu	$2,59($sp)
	subu	$2,$2,$3
$L874:
	sltu	$2,$0,$2
$L982:
	.set	noreorder
	.set	nomacro
	beq	$2,$0,$L633
	lw	$6,388($sp)
	.set	macro
	.set	reorder

	lui	$6,%hi($LC55)
	lw	$7,%lo(index_file_load)($19)
	addiu	$6,$6,%lo($LC55)
	li	$4,8			# 0x8
	.set	noreorder
	.set	nomacro
	jal	mp_msg
	li	$5,1			# 0x1
	.set	macro
	.set	reorder

$L617:
	lw	$5,468($sp)
$L984:
	slt	$2,$5,2
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L890
	lw	$6,388($sp)
	.set	macro
	.set	reorder

$L642:
	.set	noreorder
	.set	nomacro
	jal	stream_reset
	lw	$4,16($23)
	.set	macro
	.set	reorder

	lw	$18,16($23)
	lw	$5,8($23)
	lw	$3,44($18)
	slt	$2,$5,$3
	beq	$2,$0,$L646
	lw	$2,40($18)
	subu	$2,$3,$2
	subu	$2,$5,$2
	bltz	$2,$L646
	sw	$2,36($18)
$L649:
	lw	$3,388($sp)
	sw	$0,8($3)
	sw	$0,4($3)
	sw	$0,0($3)
	lw	$3,36($18)
$L879:
	lw	$2,44($18)
	lw	$4,40($18)
	addu	$2,$2,$3
	lw	$5,12($23)
	subu	$6,$2,$4
	slt	$3,$6,$5
	.set	noreorder
	.set	nomacro
	bne	$3,$0,$L651
	sw	$6,4($23)
	.set	macro
	.set	reorder

	lw	$2,8($23)
	slt	$2,$2,$5
	.set	noreorder
	.set	nomacro
	bne	$2,$0,$L1005
	lw	$2,388($sp)
	.set	macro
	.set	reorder

$L651:
	.set	noreorder
	.set	nomacro
	jal	stream_read_dword_le
	move	$4,$18
	.set	macro
	.set	reorder

	lw	$4,16($23)
	.set	noreorder
	.set	nomacro
	jal	stream_read_dword_le
	move	$16,$2
	.set	macro
	.set	reorder

	move	$17,$2