aviheader.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 4,690 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