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Mathis Rosenhauer
libaec
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145bf5c2
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145bf5c2
authored
May 21, 2013
by
Mathis Rosenhauer
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145bf5c2
...
...
@@ -11,7 +11,7 @@ supported, they can also be efficiently coded by grouping exponents
and mantissa.
Libaec implements Golomb Rice coding as defined in the Space Data
System Standard document
121.0-B-2 [1],
[2].
System Standard document
s 121.0-B-2 [1] and 120.0-G-2
[2].
**********************************************************************
...
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@@ -120,9 +120,9 @@ rules apply for deducing storage size from sample size
(bits_per_sample):
sample size storage size
1 - 8 bit
1 byte
9 - 16 bit
2 bytes
17 - 32 bit
4 bytes (also for 24bit if AEC_DATA_3BYTE is not set)
1 - 8 bit
s
1 byte
9 - 16 bit
s
2 bytes
17 - 32 bit
s
4 bytes (also for 24bit if AEC_DATA_3BYTE is not set)
If a sample requires less bits than the storage size provides, then
you have to make sure that unused bits are not set. Libaec does not
...
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@@ -208,4 +208,4 @@ http://public.ccsds.org/publications/archive/121x0b2.pdf
Compression. Recommendation for Space Data System Standards, CCSDS
120.0-G-2. Green Book. Issue 2. Washington, D.C.: CCSDS, December
2006.
http://public.ccsds.org/publications/archive/120x0g2.pdf
http://public.ccsds.org/publications/archive/120x0g2
s
.pdf
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