Pascal Massimino
28c37ebd5a
VP8LEnc: remove use of BitsLog2Ceiling()
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was only used once. Better fall back for Log2Floor.
Change-Id: Ibcc26505440971bffe62ba6aca3d179ca85791d4
2017-03-20 02:58:16 -07:00
Vincent Rabaud
6f75a51b58
Analyze the transform entropy on the whole image.
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The first column was skipped before.
Change-Id: I11521a6a48288d771e8fb83869fda08753f0fbcb
2017-02-28 15:48:59 +01:00
Vincent Rabaud
a5e4e3aff1
Use palette only if we can in entropy analysis.
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Change-Id: I2be74b4d5fe48e059d5ced619d76fd030db79f74
2017-02-28 11:43:13 +01:00
Vincent Rabaud
75a9c3c452
Improve compression by better entropy analysis.
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Change-Id: I6b56ca8d7d9a046a581baa0e85504136685d1161
2017-02-27 21:58:22 +01:00
Vincent Rabaud
7d985bd1d0
Fix small entropy analysis bug.
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Change-Id: I70554b5a898b38930dfd03ca1ed78a075261e84b
2017-02-24 13:38:41 +01:00
Vincent Rabaud
833c92198c
More efficient stochastic histogram merge.
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Between each iteration we keep track of the previously found
potential merge hence less work to do.
Change-Id: I2b6237447e79443516a6111727d96c24f10bd98a
2017-02-23 14:35:33 +01:00
Pascal Massimino
eb1dc89a5f
silently expose use_delta_palette in the WebPConfig API
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is just a placeholder for now, unless WEBP_USE_EXPERIMENTAL_FEATURES
is defined.
Change-Id: I087cb49781560bc1a7fbb01b136d36115c97ef72
2017-01-20 10:25:19 +01:00
James Zern
668e1dd44f
src/{dec,enc,utils}: give filenames a unique suffix
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this avoids duplicates between these trees and dsp/, e.g., enc/tree.c,
dec/tree.c, making pulling the whole library source tree into one target
possible
BUG=webp:279
Change-Id: I060a614833c7c24ddd37bf641702ae6a5eef1775
2017-01-19 19:09:48 -08:00
