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Elphel
imagej-elphel
Commits
1c75cb4c
Commit
1c75cb4c
authored
May 21, 2019
by
Andrey Filippov
Browse files
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Plain Diff
Implementing telemetry data for Letnon 3.5
parent
66cd4b7e
Changes
7
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Showing
7 changed files
with
197 additions
and
21 deletions
+197
-21
JP46_Reader_camera.class
ijplugins/JP46_Reader_camera.class
+0
-0
Eyesis_Correction.java
.../java/com/elphel/imagej/correction/Eyesis_Correction.java
+1
-0
LwirReader.java
src/main/java/com/elphel/imagej/lwir/LwirReader.java
+11
-1
LwirReaderParameters.java
...ain/java/com/elphel/imagej/lwir/LwirReaderParameters.java
+24
-16
ImagejJp4Tiff.java
src/main/java/com/elphel/imagej/readers/ImagejJp4Tiff.java
+25
-4
ImagejJp4TiffMulti.java
...in/java/com/elphel/imagej/readers/ImagejJp4TiffMulti.java
+1
-0
Lepton3Telemetry.java
...main/java/com/elphel/imagej/readers/Lepton3Telemetry.java
+135
-0
No files found.
ijplugins/JP46_Reader_camera.class
0 → 100644
View file @
1c75cb4c
File added
src/main/java/com/elphel/imagej/correction/Eyesis_Correction.java
View file @
1c75cb4c
...
...
@@ -4838,6 +4838,7 @@ private Panel panel1,
}
ImagePlus
[][]
imps
=
LWIR_READER
.
readAllMultiple
(
10
,
// final int num_frames,
// true, // use LWIR telemetry
true
,
// final boolean show,
false
);
// true); // final boolean scale)
for
(
ImagePlus
imp:
imps
[
0
])
{
...
...
src/main/java/com/elphel/imagej/lwir/LwirReader.java
View file @
1c75cb4c
...
...
@@ -65,6 +65,9 @@ public class LwirReader {
public
static
final
String
SKIP_FRAME_URL
=
"/towp/wait/meta"
;
// Wit for the next frame, return meta data
public
static
final
int
COLOR_JP4
=
5
;
public
static
final
int
COLOR_RAW
=
15
;
public
static
final
int
LWIR_HEIGHT
=
120
;
public
static
final
int
LWIR_TELEMETRY_LINES
=
2
;
public
static
final
int
FRAMES_SKIP
=
3
;
public
static
final
int
MAX_THREADS
=
100
;
// combine from all classes?
...
...
@@ -103,13 +106,16 @@ public class LwirReader {
public
ImagePlus
[][]
readAllMultiple
(
final
int
num_frames
,
// final boolean telemetry,
final
boolean
show
,
final
boolean
scale
)
{
return
readAllMultiple
(
num_frames
,
show
,
scale
,
"STD_"
);
// return readAllMultiple(num_frames, telemetry, show, scale, "STD_");
}
public
ImagePlus
[][]
readAllMultiple
(
final
int
num_frames
,
// final boolean telemetry,
final
boolean
show
,
final
boolean
scale
,
final
String
std
)
...
...
@@ -125,6 +131,7 @@ public class LwirReader {
imagejJp4TiffMulti
=
new
ImagejJp4TiffMulti
();
for
(
int
i
=
0
;
i
<
2
;
i
++)
{
try
{
// imagejJp4TiffMulti.getMultiImages(urls0, imps[0], telemetry, scale, std);
imagejJp4TiffMulti
.
getMultiImages
(
urls0
,
imps
[
0
],
scale
,
std
);
}
catch
(
IOException
e
)
{
LOGGER
.
error
(
"readAllMultiple0: IOException, priming"
);
...
...
@@ -143,6 +150,7 @@ public class LwirReader {
for
(
int
n
=
0
;
n
<
num_frames
;
n
++)
{
LOGGER
.
info
(
"---- Acquiring frame set "
+
n
);
try
{
// imagejJp4TiffMulti.getMultiImages( (n==0)? urls0:urls1, imps[n], telemetry, scale, std);
imagejJp4TiffMulti
.
getMultiImages
(
(
n
==
0
)?
urls0:
urls1
,
imps
[
n
],
scale
,
std
);
}
catch
(
IOException
e
)
{
LOGGER
.
error
(
"readAllMultiple0: IOException, n = "
+
n
);
...
...
@@ -365,6 +373,7 @@ public class LwirReader {
int
num_frames
=
lrp
.
avg_number
+
lrp
.
vnir_lag
+
2
*
lrp
.
max_frame_diff
;
ImagePlus
[][]
imps
=
readAllMultiple
(
num_frames
,
// lrp.lwir_telemetry,
false
,
// final boolean show,
lrp
.
vnir_scale
);
if
(
imps
==
null
)
{
...
...
@@ -433,7 +442,8 @@ public class LwirReader {
for
(
int
chn:
lrp
.
lwir_channels
)
{
urls
[
chn
]
=
"http://"
+
lrp
.
lwir_ip
+
"/parsedit.php?immediate&sensor_port="
+
chn
+
"&BITS=16"
+
"&COLOR="
+
COLOR_RAW
;
// +"*0"; // raw mode - delay 0 - breaks compressor
"&COLOR="
+
COLOR_RAW
+
// +"*0"; // raw mode - delay 0 - breaks compressor
"&WOI_HEIGHT="
+(
LWIR_HEIGHT
+
(
lrp
.
lwir_telemetry
?
LWIR_TELEMETRY_LINES:
0
));
if
(
chn
==
lwir_master_port
)
{
urls
[
chn
]
+=
"&TRIG=0*0"
+
"&TRIG_DELAY="
+
lrp
.
lwir_trig_dly
+
"*0"
+
...
...
src/main/java/com/elphel/imagej/lwir/LwirReaderParameters.java
View file @
1c75cb4c
...
...
@@ -33,11 +33,12 @@ import com.elphel.imagej.common.GenericJTabbedDialog;
public
class
LwirReaderParameters
{
private
boolean
parameters_updated
=
false
;
protected
int
avg_number
=
4
;
// number of measurements to average
p
ublic
boolean
avg_all
=
true
;
p
rotected
boolean
avg_all
=
true
;
protected
String
lwir_ip
=
"192.168.0.36"
;
protected
String
vnir_ip
=
"192.168.0.38"
;
protected
int
[]
lwir_channels
=
{
0
,
1
,
2
,
3
};
protected
int
[]
vnir_channels
=
{
0
,
1
,
2
,
3
};
protected
boolean
lwir_telemetry
=
true
;
protected
double
vnir_quality
=
98.0
;
protected
boolean
vnir_scale
=
false
;
// restore sensor pixel values, undo camera white balancing
protected
boolean
vnir_autoexp
=
false
;
...
...
@@ -77,6 +78,7 @@ public class LwirReaderParameters {
properties
.
setProperty
(
prefix
+
"vnir_ip"
,
this
.
vnir_ip
+
""
);
properties
.
setProperty
(
prefix
+
"lwir_channels"
,
arr_to_str
(
this
.
lwir_channels
));
properties
.
setProperty
(
prefix
+
"vnir_channels"
,
arr_to_str
(
this
.
vnir_channels
));
properties
.
setProperty
(
prefix
+
"lwir_telemetry"
,
this
.
lwir_telemetry
+
""
);
properties
.
setProperty
(
prefix
+
"vnir_quality"
,
this
.
vnir_quality
+
""
);
properties
.
setProperty
(
prefix
+
"vnir_scale"
,
this
.
vnir_scale
+
""
);
properties
.
setProperty
(
prefix
+
"vnir_autoexp"
,
this
.
vnir_autoexp
+
""
);
...
...
@@ -101,6 +103,7 @@ public class LwirReaderParameters {
if
(
properties
.
getProperty
(
prefix
+
"vnir_ip"
)!=
null
)
this
.
vnir_ip
=
properties
.
getProperty
(
prefix
+
"vnir_ip"
);
if
(
properties
.
getProperty
(
prefix
+
"lwir_channels"
)!=
null
)
this
.
lwir_channels
=
str_to_iarr
(
properties
.
getProperty
(
prefix
+
"lwir_channels"
));
if
(
properties
.
getProperty
(
prefix
+
"vnir_channels"
)!=
null
)
this
.
vnir_channels
=
str_to_iarr
(
properties
.
getProperty
(
prefix
+
"vnir_channels"
));
if
(
properties
.
getProperty
(
prefix
+
"lwir_telemetry"
)!=
null
)
this
.
lwir_telemetry
=
Boolean
.
parseBoolean
(
properties
.
getProperty
(
prefix
+
"lwir_telemetry"
));
if
(
properties
.
getProperty
(
prefix
+
"vnir_quality"
)!=
null
)
this
.
vnir_quality
=
Double
.
parseDouble
(
properties
.
getProperty
(
prefix
+
"vnir_quality"
));
if
(
properties
.
getProperty
(
prefix
+
"vnir_scale"
)!=
null
)
this
.
vnir_scale
=
Boolean
.
parseBoolean
(
properties
.
getProperty
(
prefix
+
"vnir_scale"
));
if
(
properties
.
getProperty
(
prefix
+
"vnir_autoexp"
)!=
null
)
this
.
vnir_autoexp
=
Boolean
.
parseBoolean
(
properties
.
getProperty
(
prefix
+
"vnir_autoexp"
));
...
...
@@ -127,6 +130,7 @@ public class LwirReaderParameters {
lrp
.
vnir_ip
=
this
.
vnir_ip
;
lrp
.
lwir_channels
=
this
.
lwir_channels
.
clone
();
lrp
.
vnir_channels
=
this
.
vnir_channels
.
clone
();
lrp
.
lwir_telemetry
=
this
.
lwir_telemetry
;
lrp
.
vnir_quality
=
this
.
vnir_quality
;
lrp
.
vnir_scale
=
this
.
vnir_scale
;
lrp
.
vnir_autoexp
=
this
.
vnir_autoexp
;
...
...
@@ -160,6 +164,7 @@ public class LwirReaderParameters {
(
lrp
.
vnir_ip
.
equals
(
this
.
vnir_ip
))
&&
(
java
.
util
.
Arrays
.
equals
(
lrp
.
lwir_channels
,
this
.
lwir_channels
))
&&
(
java
.
util
.
Arrays
.
equals
(
lrp
.
vnir_channels
,
this
.
vnir_channels
))
&&
(
lrp
.
lwir_telemetry
==
this
.
lwir_telemetry
)
&&
(
lrp
.
vnir_quality
==
this
.
vnir_quality
)
&&
(
lrp
.
vnir_scale
==
this
.
vnir_scale
)
&&
(
lrp
.
vnir_autoexp
==
this
.
vnir_autoexp
)
&&
...
...
@@ -187,6 +192,7 @@ public class LwirReaderParameters {
result
=
prime
*
result
+
vnir_ip
.
hashCode
();
result
=
prime
*
result
+
arr_to_str
(
lwir_channels
).
hashCode
();
result
=
prime
*
result
+
arr_to_str
(
vnir_channels
).
hashCode
();
result
=
prime
*
result
+
(
lwir_telemetry
?
1
:
0
);
result
=
prime
*
result
+
(
new
Double
(
vnir_quality
)).
hashCode
();
result
=
prime
*
result
+
(
vnir_scale
?
1
:
0
);
result
=
prime
*
result
+
(
vnir_autoexp
?
1
:
0
);
...
...
@@ -213,6 +219,7 @@ public class LwirReaderParameters {
gd
.
addStringField
(
"VNIR IP"
,
this
.
vnir_ip
,
20
,
"Visible range high resolution camera IP address"
);
gd
.
addStringField
(
"LWIR channels"
,
arr_to_str
(
this
.
lwir_channels
),
20
,
"Space-separated list of used LWIR camera channels, such as '0 1 2 3'"
);
gd
.
addStringField
(
"VNIR channels"
,
arr_to_str
(
this
.
vnir_channels
),
20
,
"Space-separated list of used visible range camera channels, such as '0 1 2 3'"
);
gd
.
addCheckbox
(
"LWIR telemetry"
,
this
.
lwir_telemetry
,
"Set LWIR sesnors to provide telemetry data in the last 2 lines (may become mandatory later)"
);
gd
.
addNumericField
(
"VNIR quality"
,
this
.
vnir_quality
,
3
,
6
,
"ms"
,
"Visible range camera JPEG compression quality (all channels)"
);
gd
.
addCheckbox
(
"VNIR undo white balance"
,
this
.
vnir_scale
,
"Undo in-camera white balancing"
);
gd
.
addCheckbox
(
"VNIR autoexposure"
,
this
.
vnir_autoexp
,
"Enable autoexposure for the visible range camera"
);
...
...
@@ -237,6 +244,7 @@ public class LwirReaderParameters {
this
.
vnir_ip
=
gd
.
getNextString
();
this
.
lwir_channels
=
str_to_iarr
(
gd
.
getNextString
());
this
.
vnir_channels
=
str_to_iarr
(
gd
.
getNextString
());
this
.
lwir_telemetry
=
gd
.
getNextBoolean
();
this
.
vnir_quality
=
gd
.
getNextNumber
();
this
.
vnir_scale
=
gd
.
getNextBoolean
();
this
.
vnir_autoexp
=
gd
.
getNextBoolean
();
...
...
src/main/java/com/elphel/imagej/readers/ImagejJp4Tiff.java
View file @
1c75cb4c
...
...
@@ -35,6 +35,7 @@ import java.net.URL;
import
java.net.URLConnection
;
import
java.nio.ByteBuffer
;
import
java.nio.ByteOrder
;
import
java.util.HashMap
;
import
java.util.Hashtable
;
import
java.util.Iterator
;
import
java.util.Properties
;
...
...
@@ -65,8 +66,10 @@ public class ImagejJp4Tiff {
private
static
final
Logger
LOGGER
=
LoggerFactory
.
getLogger
(
ClassList
.
class
);
private
static
final
boolean
BYPASS_SERVICES
=
false
;
// true;
private
static
final
String
TELEMETRY_PREFIX
=
"TLM_"
;
private
static
final
String
SERVICES_PATH
=
"services.properties.forelphel"
;
private
static
final
boolean
KEEP_EXTENSION
=
false
;
// remove extension for ImagePlus title
private
static
final
boolean
BOTTOM_TELEMETRY
=
true
;
// telemetry (if present) is at the bottom of the image
// -- Fields --
...
...
@@ -186,12 +189,13 @@ public class ImagejJp4Tiff {
boolean
is_le
=
reader
.
isLittleEndian
();
int
bytes_per_pixel
=
(
bpp
+
7
)
/
9
;
float
[]
pixels
=
new
float
[
bytes
.
length
/
bytes_per_pixel
];
ByteBuffer
bb
=
null
;
if
(
bytes_per_pixel
==
1
)
{
for
(
int
i
=
0
;
i
<
pixels
.
length
;
i
++)
{
pixels
[
i
]
=
((
bytes
[
i
]))
&
0xff
;
}
}
else
{
ByteBuffer
bb
=
ByteBuffer
.
wrap
(
bytes
);
bb
=
ByteBuffer
.
wrap
(
bytes
);
if
(
is_le
)
{
bb
.
order
(
ByteOrder
.
LITTLE_ENDIAN
);
}
else
{
...
...
@@ -208,9 +212,20 @@ public class ImagejJp4Tiff {
LOGGER
.
error
(
"Problem degamma/scaling of "
+
content_fileName
);
}
ImageProcessor
ip
=
new
FloatProcessor
(
reader
.
getSizeX
(),
reader
.
getSizeY
());
boolean
telemetry
=
(
bytes_per_pixel
==
2
);
Lepton3Telemetry
lepton3Telemetry
=
null
;
if
(
telemetry
)
{
lepton3Telemetry
=
new
Lepton3Telemetry
(
bb
,
pixels
,
true
);
// bottom
telemetry
=
lepton3Telemetry
.
hasTelemetry
();
}
ImageProcessor
ip
=
null
;
if
(
telemetry
)
{
ip
=
new
FloatProcessor
(
Lepton3Telemetry
.
LEPTON3_IMAGE_WIDTH
,
Lepton3Telemetry
.
LEPTON3_IMAGE_HEIGHT
);
ip
.
setPixels
(
lepton3Telemetry
.
getPixels
());
// bo
}
else
{
ip
=
new
FloatProcessor
(
reader
.
getSizeX
(),
reader
.
getSizeY
());
ip
.
setPixels
(
pixels
);
}
ip
.
resetMinAndMax
();
String
prefix
=
ElphelTiffReader
.
ELPHEL_PROPERTY_PREFIX
;
String
imageName
=
content_fileName
;
// path;
...
...
@@ -234,6 +249,12 @@ public class ImagejJp4Tiff {
imp
.
setProperty
(
std
+(
key
.
replace
(
" "
,
"_"
).
replace
(
"/"
,
"_"
)),
meta_hash
.
get
(
key
).
toString
());
}
}
if
(
telemetry
)
{
HashMap
<
String
,
String
>
telemetryMap
=
lepton3Telemetry
.
parseTelemetry
();
for
(
String
key:
telemetryMap
.
keySet
())
{
imp
.
setProperty
(
TELEMETRY_PREFIX
+
key
,
telemetryMap
.
get
(
key
));
}
}
encodeProperiesToInfo
(
imp
);
Location
.
mapFile
(
content_fileName
,
null
);
return
imp
;
...
...
src/main/java/com/elphel/imagej/readers/ImagejJp4TiffMulti.java
View file @
1c75cb4c
...
...
@@ -47,6 +47,7 @@ public class ImagejJp4TiffMulti {
public
ImagePlus
[]
getMultiImages
(
final
String
[]
urls
,
final
ImagePlus
[]
imps
,
// final boolean telemetry,
final
boolean
scale
,
final
String
std
)
throws
IOException
,
FormatException
// std - include non-elphel properties with prefix std
{
...
...
src/main/java/com/elphel/imagej/readers/Lepton3Telemetry.java
0 → 100644
View file @
1c75cb4c
/**
** -----------------------------------------------------------------------------**
** Lepton3Telemetry.java
**
** Parses FLIR Lepton3 telemetry data
**
** Copyright (C) 2019 Elphel, Inc.
**
** -----------------------------------------------------------------------------**
**
** Lepton3Telemetry.java is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
** -----------------------------------------------------------------------------**
**
*/
package
com
.
elphel
.
imagej
.
readers
;
import
java.nio.ByteBuffer
;
import
java.util.HashMap
;
public
class
Lepton3Telemetry
{
public
static
final
int
LEPTON3_IMAGE_WIDTH
=
160
;
public
static
final
int
LEPTON3_IMAGE_HEIGHT
=
120
;
public
static
final
int
LEPTON3_TELEMETRY_LINES
=
2
;
public
static
final
String
REVISION
=
"REVISION"
;
public
static
final
int
REVISION_OFFSET
=
0
;
public
static
final
String
UPTIME
=
"UPTIME"
;
public
static
final
int
UPTIME_OFFSET
=
1
;
public
static
final
String
STATUS
=
"STATUS"
;
public
static
final
int
STATUS_OFFSET
=
3
;
public
static
final
String
MOD_SER
=
"MOD_SER"
;
public
static
final
int
MOD_SER_OFFSET
=
5
;
public
static
final
String
SOFT_REV
=
"SOFT_REV"
;
public
static
final
int
SOFT_REV_OFFSET
=
13
;
public
static
final
String
FRAME
=
"FRAME"
;
public
static
final
int
FRAME_OFFSET
=
20
;
public
static
final
String
MEAN
=
"MEAN"
;
public
static
final
int
MEAN_OFFSET
=
22
;
public
static
final
String
FPA_TCNT
=
"FPA_TCNT"
;
public
static
final
int
FPA_TCNT_OFFSET
=
23
;
public
static
final
String
FPA_KELV
=
"FPA_KELV"
;
public
static
final
int
FPA_KELV_OFFSET
=
24
;
public
static
final
String
ENCL_TCNT
=
"ENCL_TCNT"
;
public
static
final
int
ENCL_TCNT_OFFSET
=
25
;
public
static
final
String
ENCL_KELV
=
"ENCL_KELV"
;
public
static
final
int
ENCL_KELV_OFFSET
=
26
;
public
static
final
String
FFC_KELV
=
"FFC_KELV"
;
public
static
final
int
FFC_KELV_OFFSET
=
29
;
private
float
[]
pixels
=
null
;
private
byte
[]
btm
=
null
;
private
ByteBuffer
bbtm
=
null
;
public
Lepton3Telemetry
(
ByteBuffer
bb
,
float
[]
pixels
,
boolean
bottom
)
{
this
.
pixels
=
pixels
;
int
offset
=
2
*(
bottom
?(
LEPTON3_IMAGE_WIDTH
*
LEPTON3_IMAGE_HEIGHT
):
0
);
if
(
pixels
.
length
>
LEPTON3_IMAGE_WIDTH
*
LEPTON3_IMAGE_HEIGHT
)
{
this
.
btm
=
new
byte
[
LEPTON3_IMAGE_WIDTH
*
LEPTON3_TELEMETRY_LINES
*
2
];
bb
.
position
(
offset
);
this
.
bbtm
=
bb
.
get
(
btm
,
0
,
btm
.
length
);
this
.
bbtm
.
order
(
bb
.
order
());
// or is it already same as in bb?
this
.
pixels
=
new
float
[
LEPTON3_IMAGE_WIDTH
*
LEPTON3_IMAGE_HEIGHT
];
System
.
arraycopy
(
pixels
,
(
bottom
?
0
:
LEPTON3_IMAGE_WIDTH
*
LEPTON3_TELEMETRY_LINES
),
this
.
pixels
,
0
,
this
.
pixels
.
length
);
}
}
public
boolean
hasTelemetry
()
{
return
bbtm
!=
null
;
}
public
float
[]
getPixels
()
{
return
pixels
;
}
public
HashMap
<
String
,
String
>
parseTelemetry
(){
HashMap
<
String
,
String
>
tm
=
new
HashMap
<
String
,
String
>();
byte
[]
bytes
=
getBytes
(
REVISION_OFFSET
,
2
);
tm
.
put
(
REVISION
,
""
+
bytes
[
1
]+
"."
+
bytes
[
0
]);
tm
.
put
(
UPTIME
,
""
+
getU32
(
UPTIME_OFFSET
));
tm
.
put
(
STATUS
,
""
+
getU32
(
STATUS_OFFSET
));
tm
.
put
(
MOD_SER
,
""
+
getHex
(
MOD_SER_OFFSET
,
8
));
tm
.
put
(
SOFT_REV
,
""
+
getHex
(
SOFT_REV_OFFSET
,
4
));
tm
.
put
(
FPA_TCNT
,
""
+
getU16
(
FPA_TCNT_OFFSET
));
tm
.
put
(
FPA_KELV
,
""
+
getU16
(
FPA_KELV_OFFSET
));
tm
.
put
(
ENCL_TCNT
,
""
+
getU16
(
ENCL_TCNT_OFFSET
));
tm
.
put
(
ENCL_KELV
,
""
+
getU16
(
ENCL_KELV_OFFSET
));
tm
.
put
(
FFC_KELV
,
""
+
getU16
(
FFC_KELV_OFFSET
));
/*
public static final String FPA_TCNT = "FPA_TCNT"; public static final int FPA_TCNT_OFFSET = 23;
public static final String FPA_KELV = "FPA_KELV"; public static final int FPA_KELV_OFFSET = 24;
public static final String ENCL_TCNT = "ENCL_TCNT"; public static final int ENCL_TCNT_OFFSET = 25;
public static final String ENCL_KELV = "ENCL_KELV"; public static final int ENCL_KELV_OFFSET = 26;
public static final String FFC_KELV = "FFC_KELV"; public static final int FFC_KELV_OFFSET = 29;
*/
return
tm
;
}
// internal methods
// input byte array depends on tiff endian for short (16-bit) words, but FLIR word sequence is little endian
private
byte
[]
getBytes
(
int
offset
,
int
len
)
{
// offset in shorts, len in shorts
byte
[]
bytes
=
new
byte
[
2
*
len
];
for
(
int
i
=
0
;
i
<
len
;
i
++)
{
int
d
=
(
bbtm
.
getShort
(
2
*
(
offset
+
i
)))
&
0xffff
;
bytes
[
2
*
i
+
0
]
=
(
byte
)
(
d
&
0xff
);
bytes
[
2
*
i
+
1
]
=
(
byte
)
((
d
>>
8
)
&
0xff
);
}
return
bytes
;
}
private
String
getString
(
int
offset
,
int
len
)
{
// offset in shorts, len in shorts
return
new
String
(
getBytes
(
offset
,
len
));
}
private
String
getHex
(
int
offset
,
int
len
)
{
// offset in shorts, len in shorts
String
s
=
""
;
for
(
byte
b
:
getBytes
(
offset
,
len
))
{
s
+=
String
.
format
(
"%02x"
,
b
);
}
return
s
;
}
private
int
getU16
(
int
offset
)
{
return
(
bbtm
.
getShort
(
2
*
offset
))
&
0xffff
;
}
private
long
getU32
(
int
offset
)
{
return
((
long
)
(
bbtm
.
getShort
(
2
*
offset
))
&
0xffff
)
+
(((
long
)
(
bbtm
.
getShort
(
2
*
(
offset
+
1
)))
&
0xffff
)
<<
16
);
}
}
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