Urvang Joshi
e75dc80516
Move some more defines to format_constants.h
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Also remove some duplicate const/defines.
Change-Id: I0ec48866b874f546022d72e938fb65669b0b3211
2012-05-24 17:46:01 +05:30
James Zern
37a77a6bf4
remove some variable shadowing
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Change-Id: I4348253ec6b50639095b22c4745dc26da0904466
2012-05-15 14:04:24 -07:00
Vikas Arora
e7167a2b95
Provide one entry point for backward references.
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The new method VP8LGetBackwardReferences hides internal
heuristics used for choosing RLE or LZ77 based refs.
- Tuned VP8LHashChainFindCopy for better compression at higher Q.
- Refactored code.
- Removed the unused method VP8LVerifyBackwardReferences.
Change-Id: Ibb7bb072bab5a49a001577a20d88226f52e6c663
2012-05-09 12:13:06 +05:30
Pascal Massimino
1a210ef1a9
big code clean-up and refactoring and optimization
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* de-inline some function
* make VP8LBackwardRefs be more like a vectorwith max capacity
* add bit_cost_ field to VP8LHistogram
* general code simplifications
* remove some memmov() from HistogramRefine
* simplify HistogramDistance()
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Change-Id: I16904d9fa2380e1cf4a3fdddf56ed1fcadfa25dc
2012-05-07 14:25:29 -07:00
Vikas Arora
b39e7487a7
Reducing emerging palette size from 11 to 9 bits.
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This is required to reduce memory used to construct histo_image.
Change-Id: I491a06e10a3e3f3d8a00ecec286394378283ffea
2012-05-07 14:25:19 -07:00
Urvang Joshi
e491729905
A quick pass of cleanup in backward reference code
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const correctness, renaming, cosmetics etc.
Change-Id: I432befbb22f0eafd9a613f5f632398b6ef03c0f6
2012-05-07 14:25:05 -07:00
Vikas Arora
c6ac4dfbb4
Run TraceBackwards for higher qualities.
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Also reduce the iteration count in function VP8LHashChain_FindCopy.
Change-Id: I73e3811e142e81314515587fd655ab3bfa74d099
2012-05-07 14:25:00 -07:00
Vikas Arora
84547f540c
Add EncodeImageInternal() method.
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Most of changes in enc/vp8l.c is cherry-picked from src/lossless/encode.c
Change-Id: I27938cb2590eccbfe1db0a454343e856bd483e75
2012-05-07 14:24:25 -07:00
Urvang Joshi
6b38378acb
Guard the lossless encoder (in flux) under a flag
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Change-Id: I6dd8fd17089c199001c06b1afde14233dc3e3234
2012-05-07 14:24:23 -07:00
Vikas Arora
32714ce3be
Add VP8L prefix to backward ref & histogram methods.
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Change-Id: I8c14fb219a1d7830d3244aa780c91c9964867330
2012-05-07 14:24:17 -07:00
Vikas Arora
bc7037465d
Add backward_ref, histogram & huffman encode modules from lossless.
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Change-Id: Iac056d27972956782defa182caa3ea400cdb77f8
2012-05-07 14:24:14 -07:00
