Urvang Joshi
0e6fa06595
cache_bits passed to EncodeImageInternal()
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should be 0 when not using color cache.
Change-Id: Id15c9b6bfbeb7c69a0189fa4c411df2763f9dead
2012-05-07 14:24:54 -07:00
Vikas Arora
6f4a16ea00
Removing the indirection of meta-huffman tables.
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Now, the indexing refers directly to 5 huffman codes that must be encoded
separately.
Change-Id: I92e10ccf8ca464aa7259867d5fae2869343e3b3c
2012-05-07 14:24:51 -07:00
Urvang Joshi
3d33ecd12b
Some renaming/comments related to palette in lossless encoder.
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Change-Id: Iaab32912f4c31e809d7a49fd748099d8c0c3e7d9
2012-05-07 14:24:49 -07:00
Urvang Joshi
4d02d5863f
Lossless encoder: correction in Palette storage
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(Essentially, there was no need of a separate 'argb_palette' array. And
argb_palette[0] was never being set).
Change-Id: Id0a8c7e063d3af41e39fc9b8661611b51ccc55cd
2012-05-07 14:24:47 -07:00
Urvang Joshi
4a6362357a
fix a memleak in EncodeImageInternal()
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Change-Id: I55cd013211f192188b54c694ef0837af0c01b53c
2012-05-07 14:24:45 -07:00
Urvang Joshi
0993a611cd
Full and final fix for prediction transform
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use (tile_size + 1) rows of scratch area.
Change-Id: I06d612fff1794fc045ba76275e94e7210802c332
2012-05-07 14:24:43 -07:00
Urvang Joshi
b96d8740c9
Need to write a '0' bit at the end of transforms.
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Also convert an 'if' to 'assert'.
Change-Id: Ia1129ad9ddb027c27b4f4fc1da4bbaf53a0a8f76
2012-05-07 14:24:39 -07:00
Urvang Joshi
54dad7e553
Color cache size should be counted as 0 when cache bits = 0
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Change-Id: I1d05e0561a92aebaf62162fe11ffc4b12496d698
2012-05-07 14:24:37 -07:00
Urvang Joshi
4f0c5caf67
Fix prediction transform in lossless encoder.
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(Keep one tile as a scratch buffer).
Change-Id: If112ada29bfd0bdc81b82e849a566b30dd331d2f
2012-05-07 14:24:35 -07:00
Vikas Arora
36dabdadf8
Fix memory leak in method EncodeImageInternal for histogram_image.
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Change-Id: Ia1cfb96d9e6c120630732e2b5f39688376d1d208
2012-05-07 14:24:33 -07:00
Urvang Joshi
352a4f49ab
Get rid of PackLiteralBitLengths()
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[and in turn a malloc]. Also, a few related const fixes.
Change-Id: I229519b1c34d41c78d9ad2403f1e25feab3c9d93
2012-05-07 14:24:31 -07:00
Urvang Joshi
b2f99465a7
Fix CopyTileWithPrediction()
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so that it uses original values of left, top etc for prediction rather than the
predicted values of the same. Also, do some renaming in the same to make it
more readable.
Change-Id: I2fe94e35a6700bd437f5c601e2af12323bf32445
2012-05-07 14:24:27 -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
09f7532cce
Fix few nits (const qualifiers)
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Change-Id: I527e82af49956b695ab18625d34e143854067421
2012-05-07 14:24:21 -07:00
Vikas Arora
648be3939f
Added implementation for various lossless functions
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- VP8LEncAnalyze, EvalAndApplySubtractGreen, ApplyPredictFilter,
ApplyCrossColorFilter
- Added palette handling and transform buffer management in VP8LEncodeImage()
- Add Transforms (subtract Green, Predict, cross_color) to dsp/lossless.c.
These are more-or-less copied from src/lossless code.
After this Change, will implement the EncodeImageInternal() method.
Change-Id: Idf71f803c24b3b5ae3b5079b15e019721784611d
2012-05-07 14:24:19 -07:00
Vikas Arora
fdccaaddcf
Fixing nits
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- Const Handling of picture object, removed bitwriter from encoder.
Change-Id: Id943854de09324de81cca615ada960390c4b8152
2012-05-07 14:24:12 -07:00
Vikas Arora
227110c4c3
libwebp interface changes for lossless encoding.
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Change-Id: I703a1a18347acf78378cb23fddc6e5ca6dc6a0bb
2012-05-07 14:24:09 -07:00
