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Add Alpha encode/decode code.

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Add code for Alpha encoding & decoding. The alpha compression is done
via backward reference counts encoded with Arithmetic encoder (TCoder).
Also provided is lossy Alpha pre-processing option via level-quantizations
using kNN heuristic.

Change-Id: Ib6b13530c1a4ab6493edcb586ad29fe242bc1766
This commit is contained in:
Vikas Arora
2011-11-30 17:46:45 +05:30
parent afc4c5d695
commit e1947a9299
9 changed files with 1284 additions and 15 deletions
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3
Makefile.vc
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@ -175,8 +175,11 @@ X_OBJS= \
$(DIROBJ)\enc\tree.obj \
$(DIROBJ)\enc\webpenc.obj \
$(DIROBJ)\mux\mux.obj \
$(DIROBJ)\utils\alpha.obj \
$(DIROBJ)\utils\bit_reader.obj \
$(DIROBJ)\utils\bit_writer.obj \
$(DIROBJ)\utils\quant_levels.obj \
$(DIROBJ)\utils\tcoder.obj \
$(DIROBJ)\utils\thread.obj \
$(RESOURCE) \