mxf.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 4,669 行 · 第 1/4 页

	.file	1 "mxf.c"
	.section .mdebug.abi32
	.previous
	.section	.text.mxf_read_seek,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_seek
	.type	mxf_read_seek, @function
mxf_read_seek:
	.frame	$sp,48,$31		# vars= 0, regs= 5/0, args= 24, gp= 0
	.mask	0x800f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-48
	sw	$19,36($sp)
	sw	$17,28($sp)
	sw	$16,24($sp)
	sw	$31,40($sp)
	sw	$18,32($sp)
	sll	$5,$5,2
	lw	$2,3848($4)
	addu	$5,$5,$4
	move	$19,$4
	li	$3,-1			# 0xffffffffffffffff
	lw	$18,100($5)
	move	$16,$6
	bne	$2,$0,$L9
	move	$17,$7

	lw	$31,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,48

$L9:
	blez	$7,$L10
	nop

$L5:
	lw	$2,64($18)
	lw	$3,68($18)
	move	$6,$2
	sra	$7,$2,31
	move	$4,$16
	move	$5,$17
	sra	$2,$3,31
	sw	$2,20($sp)
	jal	av_rescale
	sw	$3,16($sp)

	lw	$4,3848($19)
	sw	$0,16($sp)
	sra	$9,$4,31
	mul	$10,$9,$2
	multu	$2,$4
	move	$8,$4
	mflo	$6
	mfhi	$7
	mul	$5,$3,$8
	srl	$6,$6,3
	addu	$8,$5,$10
	addu	$7,$8,$7
	sll	$2,$7,29
	addiu	$4,$19,16
	or	$6,$2,$6
	jal	url_fseek
	sra	$7,$7,3

	move	$4,$19
	move	$5,$18
	move	$6,$16
	jal	av_update_cur_dts
	move	$7,$17

	move	$3,$0
	lw	$31,40($sp)
	lw	$19,36($sp)
	lw	$18,32($sp)
	lw	$17,28($sp)
	lw	$16,24($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,48

$L10:
	beq	$7,$0,$L11
	nop

	move	$16,$0
	j	$L5
	move	$17,$0

$L11:
	bgtu	$6,$0,$L5
	nop

	move	$16,$0
	j	$L5
	move	$17,$0

	.set	macro
	.set	reorder
	.end	mxf_read_seek
	.section	.text.mxf_read_close,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_close
	.type	mxf_read_close, @function
mxf_read_close:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$31,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lw	$16,12($4)
	jal	av_freep
	move	$4,$16

	lw	$2,12($16)
	blez	$2,$L13
	move	$17,$0

	j	$L27
	lw	$6,8($16)

$L26:
	beq	$2,$0,$L16
	addiu	$4,$5,36

$L24:
	jal	av_freep
	nop

	lw	$6,8($16)
$L16:
	jal	av_freep
	addu	$4,$18,$6

	lw	$2,12($16)
	addiu	$17,$17,1
	slt	$2,$17,$2
	beq	$2,$0,$L13
	nop

$L15:
	lw	$6,8($16)
$L27:
	sll	$18,$17,2
	addu	$2,$6,$18
	lw	$5,0($2)
	li	$2,5			# 0x5
	lw	$3,16($5)
	addiu	$4,$5,36
	beq	$3,$2,$L24
	sltu	$7,$3,6

	addiu	$2,$3,-1
	bne	$7,$0,$L26
	sltu	$2,$2,2

	li	$2,6			# 0x6
	beq	$3,$2,$L24
	addiu	$4,$5,84

	jal	av_freep
	addu	$4,$18,$6

	lw	$2,12($16)
	addiu	$17,$17,1
	slt	$2,$17,$2
	bne	$2,$0,$L15
	nop

$L13:
	jal	av_freep
	addiu	$4,$16,8

	jal	av_freep
	addiu	$4,$16,20

	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_read_close
	.section	.text.mxf_probe,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_probe
	.type	mxf_probe, @function
mxf_probe:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$31,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	lw	$5,8($4)
	sltu	$2,$5,14
	bne	$2,$0,$L29
	lw	$16,4($4)

	addu	$2,$16,$5
	addiu	$17,$2,-14
	sltu	$3,$16,$17
	beq	$3,$0,$L29
	lui	$18,%hi(mxf_header_partition_pack_key)

	j	$L38
	move	$4,$16

$L32:
	beq	$3,$0,$L37
	lw	$31,28($sp)

	move	$4,$16
$L38:
	addiu	$5,$18,%lo(mxf_header_partition_pack_key)
	li	$6,14			# 0xe
	jal	memcmp
	addiu	$16,$16,1

	bne	$2,$0,$L32
	sltu	$3,$16,$17

	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	li	$2,100			# 0x64
	j	$31
	addiu	$sp,$sp,32

$L29:
	lw	$31,28($sp)
$L37:
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_probe
	.section	.text.mxf_read_metadata_cryptographic_context,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_cryptographic_context
	.type	mxf_read_metadata_cryptographic_context, @function
mxf_read_metadata_cryptographic_context:
	.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
	.mask	0x80000000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	move	$7,$4
	addiu	$sp,$sp,-24
	move	$8,$6
	li	$2,65533			# 0xfffd
	move	$4,$5
	sw	$31,16($sp)
	li	$6,16			# 0x10
	beq	$8,$2,$L41
	addiu	$5,$7,36

	li	$2,65534			# 0xfffe
	beq	$8,$2,$L41
	addiu	$5,$7,20

	lw	$31,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,24

$L41:
	jal	get_buffer
	nop

	lw	$31,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_cryptographic_context
	.section	.text.mxf_read_metadata_generic_descriptor,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_generic_descriptor
	.type	mxf_read_metadata_generic_descriptor, @function
mxf_read_metadata_generic_descriptor:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	li	$2,13313			# 0x3401
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	sw	$31,28($sp)
	move	$18,$4
	move	$17,$5
	beq	$6,$2,$L77
	move	$16,$7

	slt	$2,$6,13314
	bne	$2,$0,$L78
	li	$2,12801			# 0x3201

	li	$2,15622			# 0x3d06
	beq	$6,$2,$L55
	slt	$2,$6,15623

	bne	$2,$0,$L79
	li	$2,15617			# 0x3d01

	li	$2,16129			# 0x3f01
	beq	$6,$2,$L57
	li	$2,33281			# 0x8201

	beq	$6,$2,$L58
	li	$2,15623			# 0x3d07

	beq	$6,$2,$L80
	nop

$L45:
	move	$3,$0
$L64:
	lw	$31,28($sp)
$L83:
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

$L67:
	jal	get_byte
	lw	$16,80($18)

	addu	$16,$16,$2
	sw	$16,80($18)
$L77:
	jal	get_byte
	move	$4,$17

	move	$16,$2
	li	$2,71			# 0x47
	beq	$16,$2,$L67
	move	$4,$17

	li	$2,82			# 0x52
	beq	$16,$2,$L67
	li	$2,66			# 0x42

	beq	$16,$2,$L81
	nop

	jal	get_byte
	nop

	bne	$16,$0,$L77
	move	$3,$0

	j	$L83
	lw	$31,28($sp)

$L81:
	lw	$16,80($18)
	jal	get_byte
	move	$4,$17

	addu	$16,$16,$2
	j	$L77
	sw	$16,80($18)

$L78:
	beq	$6,$2,$L55
	slt	$2,$6,12802

	bne	$2,$0,$L82
	li	$2,12292			# 0x3004

	li	$2,12803			# 0x3203
	beq	$6,$2,$L50
	slt	$2,$6,12803

	bne	$2,$0,$L49
	li	$2,12814			# 0x320e

	bne	$6,$2,$L45
	nop

	jal	get_be32
	move	$4,$5

	sw	$2,60($18)
	jal	get_be32
	move	$4,$17

	move	$3,$0
	j	$L64
	sw	$2,64($18)

$L55:
	move	$4,$17
	addiu	$5,$18,36
	jal	get_buffer
	li	$6,16			# 0x10

	move	$3,$0
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

$L79:
	beq	$6,$2,$L53
	li	$2,15619			# 0x3d03

	bne	$6,$2,$L45
	nop

	jal	get_be32
	move	$4,$5

	sw	$2,52($18)
	jal	get_be32
	move	$4,$17

	move	$3,$0
	j	$L64
	sw	$2,56($18)

$L82:
	beq	$6,$2,$L46
	li	$2,12294			# 0x3006

	bne	$6,$2,$L45
	nop

	jal	get_be32
	move	$4,$5

	move	$3,$0
	j	$L64
	sw	$2,92($18)

$L49:
	jal	get_be32
	move	$4,$5

	move	$3,$0
	j	$L64
	sw	$2,72($18)

$L80:
	jal	get_be32
	move	$4,$5

	move	$3,$0
	j	$L64
	sw	$2,76($18)

$L46:
	move	$4,$5
	li	$6,16			# 0x10
	jal	get_buffer
	addiu	$5,$18,20

	j	$L64
	move	$3,$0

$L50:
	jal	get_be32
	move	$4,$5

	move	$3,$0
	j	$L64
	sw	$2,68($18)

$L53:
	jal	get_be32
	move	$4,$5

	move	$3,$0
	j	$L64
	sw	$2,80($18)

$L57:
	jal	get_be32
	move	$4,$5

	move	$4,$2
	li	$2,268369920			# 0xfff0000
	ori	$2,$2,0xffff
	sltu	$2,$4,$2
	bne	$2,$0,$L62
	sw	$4,88($18)

	j	$L64
	li	$3,-1			# 0xffffffffffffffff

$L58:
	jal	av_malloc
	move	$4,$7

	sw	$2,96($18)
	sw	$16,100($18)
	move	$4,$17
	move	$5,$2
	jal	get_buffer
	move	$6,$16

	j	$L64
	move	$3,$0

$L62:
	jal	av_malloc
	sll	$4,$4,4

	sw	$2,84($18)
	li	$6,4			# 0x4
	move	$7,$0
	jal	url_fskip
	move	$4,$17

	lw	$6,88($18)
	lw	$5,84($18)
	move	$4,$17
	jal	get_buffer
	sll	$6,$6,4

	j	$L64
	move	$3,$0

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_generic_descriptor
	.section	.text.mxf_read_metadata_source_package,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_source_package
	.type	mxf_read_metadata_source_package, @function
mxf_read_metadata_source_package:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	li	$2,17411			# 0x4403
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$17,$4
	sw	$31,24($sp)
	move	$3,$6
	move	$16,$5
	beq	$6,$2,$L87
	move	$4,$5

	li	$2,18177			# 0x4701
	addiu	$5,$17,48
	beq	$3,$2,$L88
	li	$6,16			# 0x10

	li	$2,17409			# 0x4401
	li	$6,16			# 0x10
	move	$7,$0
	beq	$3,$2,$L86
	move	$5,$0

$L89:
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,32

$L87:
	jal	get_be32
	nop

	li	$3,268369920			# 0xfff0000
	ori	$3,$3,0xffff
	sltu	$3,$2,$3
	sll	$4,$2,4
	li	$5,-1			# 0xffffffffffffffff
	beq	$3,$0,$L89
	sw	$2,40($17)

	jal	av_malloc
	nop

	sw	$2,36($17)
	move	$4,$16
	li	$6,4			# 0x4
	jal	url_fskip
	move	$7,$0

	lw	$6,40($17)
	lw	$5,36($17)
	move	$4,$16
	jal	get_buffer
	sll	$6,$6,4

	move	$5,$0
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,32

$L88:
	jal	get_buffer
	nop

	move	$5,$0
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,32

$L86:
	jal	url_fskip
	nop

	addiu	$5,$17,20
	move	$4,$16
	jal	get_buffer
	li	$6,16			# 0x10

	move	$5,$0
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$5
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_source_package
	.section	.text.mxf_read_metadata_sequence,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_sequence
	.type	mxf_read_metadata_sequence, @function
mxf_read_metadata_sequence:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	li	$2,514			# 0x202
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$17,$4
	sw	$31,24($sp)
	move	$3,$6
	move	$16,$5
	beq	$6,$2,$L96
	move	$4,$5

	li	$2,4097			# 0x1001
	beq	$6,$2,$L97
	li	$2,513			# 0x201

	addiu	$5,$17,20
	li	$6,16			# 0x10
	beq	$3,$2,$L102
	move	$7,$0

$L98:
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$7
	j	$31
	addiu	$sp,$sp,32

$L97:
	jal	get_be32
	nop

	li	$3,268369920			# 0xfff0000
	ori	$3,$3,0xffff
	sltu	$3,$2,$3
	sll	$4,$2,4
	li	$7,-1			# 0xffffffffffffffff
	beq	$3,$0,$L98
	sw	$2,40($17)

	jal	av_malloc
	nop

	sw	$2,36($17)
	li	$6,4			# 0x4
	move	$4,$16
	jal	url_fskip
	move	$7,$0

	lw	$6,40($17)
	lw	$5,36($17)
	move	$4,$16
	sll	$6,$6,4
$L102:
	jal	get_buffer
	nop

	move	$7,$0
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$7
	j	$31
	addiu	$sp,$sp,32

$L96:
	jal	get_be64
	nop

	sw	$2,48($17)
	sw	$3,52($17)
	move	$7,$0
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$7
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_sequence
	.section	.text.mxf_read_metadata_track,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_track
	.type	mxf_read_metadata_track, @function
mxf_read_metadata_track:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	li	$2,18435			# 0x4803
	sw	$17,20($sp)
	sw	$16,16($sp)
	sw	$31,24($sp)
	move	$17,$4
	beq	$6,$2,$L106
	move	$16,$5

	slt	$2,$6,18436
	bne	$2,$0,$L111
	li	$2,18433			# 0x4801

	li	$2,18436			# 0x4804
	beq	$6,$2,$L107
	li	$2,19201			# 0x4b01

	bne	$6,$2,$L113
	lw	$31,24($sp)

	jal	get_be32
	move	$4,$5

	sw	$2,52($17)
	jal	get_be32
	move	$4,$16

	j	$L104
	sw	$2,48($17)

$L111:
	beq	$6,$2,$L112
	nop

$L104:
	lw	$31,24($sp)
$L113:
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L106:
	move	$4,$5
	li	$6,16			# 0x10
	jal	get_buffer
	addiu	$5,$17,24

	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L107:
	move	$4,$5
	li	$6,4			# 0x4
	jal	get_buffer
	addiu	$5,$17,44

	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L112:
	jal	get_be32
	move	$4,$5

	sw	$2,40($17)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_track
	.section	.text.mxf_read_metadata_material_package,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_material_package
	.type	mxf_read_metadata_material_package, @function
mxf_read_metadata_material_package:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	li	$2,17411			# 0x4403
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$17,$4
	sw	$31,24($sp)
	move	$7,$0
	move	$16,$5
	beq	$6,$2,$L121
	move	$4,$5

$L117:
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$7
	j	$31
	addiu	$sp,$sp,32

$L121:
	jal	get_be32
	nop

	li	$3,268369920			# 0xfff0000
	ori	$3,$3,0xffff
	sltu	$3,$2,$3
	sll	$4,$2,4
	li	$7,-1			# 0xffffffffffffffff
	beq	$3,$0,$L117
	sw	$2,40($17)

	jal	av_malloc
	nop

	sw	$2,36($17)
	move	$7,$0
	move	$4,$16
	jal	url_fskip
	li	$6,4			# 0x4

	lw	$6,40($17)
	lw	$5,36($17)
	move	$4,$16
	jal	get_buffer
	sll	$6,$6,4

	move	$7,$0
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$7
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_material_package
	.section	.text.mxf_read_metadata_source_clip,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_source_clip
	.type	mxf_read_metadata_source_clip, @function
mxf_read_metadata_source_clip:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	li	$2,4353			# 0x1101
	sw	$17,20($sp)
	sw	$16,16($sp)
	sw	$31,24($sp)
	move	$17,$4
	beq	$6,$2,$L125
	move	$16,$5

	slt	$2,$6,4354
	bne	$2,$0,$L130
	li	$2,514			# 0x202

	li	$2,4354			# 0x1102
	beq	$6,$2,$L126
	li	$2,4609			# 0x1201

	bne	$6,$2,$L132
	lw	$31,24($sp)

	jal	get_be64
	move	$4,$5

	sw	$2,64($17)
	j	$L123
	sw	$3,68($17)

$L130:
	beq	$6,$2,$L131
	nop

$L123:
	lw	$31,24($sp)
$L132:
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L125:
	move	$4,$5
	li	$6,16			# 0x10
	jal	url_fskip
	move	$7,$0

	move	$4,$16
	addiu	$5,$17,20
	jal	get_buffer
	li	$6,16			# 0x10

	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L126:
	jal	get_be32
	move	$4,$5

	sw	$2,72($17)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

$L131:
	jal	get_be64
	move	$4,$5

	sw	$2,56($17)
	sw	$3,60($17)
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_source_clip
	.section	.text.mxf_read_metadata_content_storage,"ax",@progbits
	.align	2
	.align	5
	.ent	mxf_read_metadata_content_storage
	.type	mxf_read_metadata_content_storage, @function
mxf_read_metadata_content_storage:
	.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
	.mask	0x80030000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	li	$2,6401			# 0x1901
	sw	$17,20($sp)
	sw	$16,16($sp)
	move	$17,$4
	sw	$31,24($sp)
	move	$7,$0
	move	$16,$5
	beq	$6,$2,$L140
	move	$4,$5

$L136:
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$7
	j	$31
	addiu	$sp,$sp,32

$L140:
	jal	get_be32
	nop

	li	$3,268369920			# 0xfff0000
	ori	$3,$3,0xffff
	sltu	$3,$2,$3
	sll	$4,$2,4
	li	$7,-1			# 0xffffffffffffffff
	beq	$3,$0,$L136
	sw	$2,4($17)

	jal	av_malloc
	nop

	sw	$2,0($17)
	move	$7,$0
	move	$4,$16
	jal	url_fskip
	li	$6,4			# 0x4

	lw	$6,4($17)
	lw	$5,0($17)
	move	$4,$16
	jal	get_buffer
	sll	$6,$6,4

	move	$7,$0
	lw	$31,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$7
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	mxf_read_metadata_content_storage
	.section	.text.klv_read_packet,"ax",@progbits
	.align	2
	.align	5
	.ent	klv_read_packet
	.type	klv_read_packet, @function
klv_read_packet:
	.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
	.mask	0x803f0000,-8
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-48
	sw	$20,32($sp)
	lui	$20,%hi(mxf_klv_key)
	sw	$21,36($sp)
	sw	$19,28($sp)
	sw	$18,24($sp)
	sw	$17,20($sp)
	sw	$16,16($sp)
	sw	$31,40($sp)
	move	$21,$4
	move	$18,$5
	move	$17,$0
	move	$16,$0
	addiu	$19,$20,%lo(mxf_klv_key)
$L169:
	jal	url_feof
	move	$4,$18

	bne	$2,$0,$L148
	move	$4,$18

$L143:
	jal	get_byte
	nop

	move	$4,$2
	li	$2,6			# 0x6
	beq	$4,$2,$L172
	addu	$3,$16,$19

	lbu	$2,0($3)
	addiu	$16,$17,1
	sltu	$3,$16,4
	beq	$4,$2,$L173
	move	$17,$16

	jal	url_feof
	move	$4,$18

	move	$17,$0
	move	$16,$0
	beq	$2,$0,$L143
	move	$4,$18

$L148:
	li	$2,4			# 0x4
	beq	$16,$2,$L174