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Author SHA1 Message Date
James Zern
cbfa9eecf4 lossless: fix crash on user abort 
avoid free on uninitialized bit writer buffer

Change-Id: I1a41b2cea421bf5a2ea0af33c6e84018cb997caf
 2012-07-31 11:59:54 -07:00
Pascal Massimino
a7cc729126 fix type and conversion warnings 
avoids warning messages on MSVC mainly

Change-Id: I80f281d5263a54c6a224bb095175497cf2f4ce1e
 2012-07-25 14:18:21 -07:00
Pascal Massimino
7d853d79dc add stats for lossless 
* Extend AuxStats with new fields
  it's slightly ABI-incompatible, but i guess it's ok for 0.1.99+
  I expect to add more stats later, possibly (predictor stats, etc.)
* Have cwebp report the features used by lossless
  compression (either for alpha or full lossless coding)
* Print the PSNR for alpha (useful in case of -alpha_q)
* clean-up alpha.c signatures
+ misc cleanup (added const '* const ptr', etc.)

Change-Id: I157a21581f1793cb0c6cc0882e7b0a2dde68a970
 2012-07-24 16:17:13 -07:00
Pascal Massimino
d39177b74c make QuantizeLevels() store the sum of squared error 
(instead of MSE).
Useful for directly storing the alpha-PSNR (in another patch)

Change-Id: I4072864f9c53eb4f38366e8025a2816eb14f504e
 2012-07-24 15:06:18 -07:00
Pascal Massimino
5955cf5e89 replace x*155/100 by x*101581>>16 
Don't expect a visible speed diff. it's just cool.
(and, that's one less TODO in the code).

Change-Id: Iaeb2f1c930debb51501e170ee806f2f945fb1a8d
 2012-07-24 15:06:00 -07:00
Urvang Joshi
159b75d31a cwebp output size consistency: 
In case of lossless too, it should report full file size.
Fixes this issue: http://code.google.com/p/webp/issues/detail?id=126

Change-Id: I96e2bf09e6c9470a0267f5eea911d9b40d1addb3
 2012-07-23 12:47:24 +05:30
James Zern
1889e9b6cc dwebp: report -alpha option 
remove from WEBP_EXPERIMENTAL_FEATURES block; alpha is no longer
experimental.

Change-Id: I57df006ecac8122a987e52084813dc84ca7bcfd6
 2012-07-20 19:42:56 -07:00
pascal massimino
3bc3f7c0ee Merge "dwebp: add PAM output support" into 0.2.0 2012-07-20 19:09:45 -07:00
James Zern
d919ed06eb dwebp: add PAM output support 
retains the alpha channel rather than stripping it as with PPM.

display from ImageMagick can render the files

Change-Id: I4f3a5d332937e0aeaf4e3fbd214fdae3b5382fb8
 2012-07-20 19:06:01 -07:00
James Zern
85e215d36f README/manpages/configure: update website link 
code.google was moved to developers.google

Change-Id: I072cab38ccb6f45c3d1d6e533d1626420cdbba56
 2012-07-20 16:25:04 -07:00
James Zern
c3a207b9f4 Update ChangeLog 
Change-Id: I7e8192f4c5fd90354669c492235b1348debdc839
 2012-07-19 18:19:33 -07:00
James Zern
d1fd78263f Merge "add extra precision about default values and behaviour" into 0.2.0 2012-07-19 18:15:45 -07:00
Pascal Massimino
efc826e04a add extra precision about default values and behaviour 
Change-Id: I445f4d3b20a53d32819fe361f74443e0a0c8a632
 2012-07-19 18:08:42 -07:00
Pascal Massimino
9f29635d95 header/doc clean up 
Put emphasis on RGBA decoding instead of RGB/BGR
Clarify doc at some rough spots
Misc typo fix and cosmetics

Change-Id: Ic5fcfcc5bf4d612c5de23b0a5499f1fadde55bfe
 2012-07-19 18:05:03 -07:00
James Zern
ff9fd1bac6 Makefile.vc: fix webpmux.exe *-dynamic builds 
the libwebpmux objects depend on the generated webp_dll.[hc] files as
well

Change-Id: I26177b56f415d69e4bc34b24d32c70a13c6c053c
 2012-07-19 17:55:50 -07:00
Pascal Massimino
8aacc7b056 remove INAM, ICOP, ... chunks from the test webp file. 
Change-Id: Ia396d932b8b1af85717f693251c76985abc86395
 2012-07-19 17:34:04 -07:00
Pascal Massimino
2fc1301577 harmonize authors as "Name (mail@address)" 
Change-Id: I85bfae61a37de75a5ed945a906002de2ef75149f
 2012-07-19 16:09:47 -07:00
pascal massimino
4a9f37b742 Merge "update NEWS" into 0.2.0 2012-07-19 14:44:06 -07:00
James Zern
7415ae1386 makefile.unix: provide examples/webpmux target 
this target is experimental so must be explicitly set

missing since:
e41a759 build: remove libwebpmux from default targets/config

Change-Id: I128d9e6a06ba3e7102ae3175dc3db52c6f4b1439
 2012-07-19 14:39:26 -07:00
James Zern
ce82cedc4b update NEWS 
mention TIFF support, cwebp's alpha encoding disposition

Change-Id: I0340590f43e1617c6fb3fc2e98a609dbf4a880ce
 2012-07-19 12:59:39 -07:00
pascal massimino
641e28e8dc Merge "man/cwebp.1: wording, change the date" into 0.2.0 2012-07-19 12:58:13 -07:00
James Zern
c37c23e594 README: cosmetics 
- update swig function references
- remove references to decode_vp8.h (no longer installed)
- add lossless references
- some grammar/spelling changes

Change-Id: Icebfbcf6f638762f42d844b6bd3c0129c64d9340
 2012-07-19 12:38:46 -07:00
James Zern
3976dcd59f man/cwebp.1: wording, change the date 
options were added since the last date refresh

Change-Id: I3899ebd429ba0260a28ce02bb973e1ee015c6e6e
 2012-07-19 12:20:01 -07:00
James Zern
3e5bbe1c2e Merge "rename 'use_argb_input' to 'use_argb'" into 0.2.0 2012-07-18 23:26:42 -07:00
James Zern
ce90847a40 Merge "add some padding bytes areas for later use" into 0.2.0 2012-07-18 23:26:18 -07:00
James Zern
2390dabcb6 Merge "fixing the findings by Frederic Kayser to the bitstream spec" into 0.2.0 2012-07-18 23:19:34 -07:00
Pascal Massimino
0275159143 add a very crude progress report for lossless 
better than nothing. Removed the warning in cwebp.c
(and silenced the warning in quiet mode too)

Change-Id: I85bbeaf77e0f60ead798886043dc053e6b44def5
 2012-07-18 22:54:50 -07:00
Pascal Massimino
dd1081763c rename 'use_argb_input' to 'use_argb' 
long name, and there's not really an 'output' equivalent

Change-Id: I9133ff734ae8d6572cb2f607211361f011fc0bc1
 2012-07-18 22:47:16 -07:00
Pascal Massimino
90516ae8f5 add some padding bytes areas for later use 
so we can add few fields without breaking ABI

+ re-order fields
+ refresh the doc

Change-Id: Id60ec33934f6346e35c95fcdb4abbe1bc7b50acb
 2012-07-18 22:47:13 -07:00
Jyrki Alakuijala
d03b250369 fixing the findings by Frederic Kayser to the bitstream spec 
Change-Id: I4bcc428412dd4c21675d90159771e2e0b338ecf3
 2012-07-18 22:47:11 -07:00
James Zern
ce156afccf add missing ABI compatibility checks 
original change:
f7f16a2 add ABI compatibility check

Change-Id: I7cd6508f8d8e0d957a3d62ad52a117876fa5ec29
 2012-07-18 22:24:33 -07:00
James Zern
9d45416aa7 Merge "Doc: container spec text tweaks" into 0.2.0 2012-07-18 21:49:24 -07:00
Lou Quillio
4e2e0a8cac Doc: container spec text tweaks 
Change-Id: I8e29f1c814b0c8f6aa268562d8653989caaf281d
modified:   doc/webp-container-spec.txt
 2012-07-18 16:38:50 -07:00
Pascal Massimino
f7f16a2976 add ABI compatibility check 
minor revision shouldn't matter, we only check major revision number.
Bumped all version numbers so that incompatibility starts *now*

Change-Id: Id06c20f03039845ae4cfb3fd121807b931d67ee4
 2012-07-18 11:53:25 -07:00
James Zern
2a77557002 Merge "swig: add WebPEncodeLossless* wrappers" into 0.2.0 2012-07-17 17:30:17 -07:00
James Zern
a3ec6225d5 mux.h: remove '* const' from function parameters 
makes the public interface consistent and more readable

Change-Id: I33f1d1c4ee752e353e4c10636a4df4e44d7cd03f
 2012-07-17 17:21:54 -07:00
James Zern
31426ebaec encode.h: remove '* const' from function parameters 
makes the public interface consistent and more readable

Change-Id: Ib93614e901e0af44bb64782357cfd9e724e050be
 2012-07-17 16:26:54 -07:00
James Zern
9838e5d5ff decode.h: remove '* const' from function parameters 
makes the public interface consistent and more readable

Change-Id: I067eb5ecc1094216ef6aecc65f636f69873de8f9
 2012-07-17 15:48:00 -07:00
James Zern
4972302d24 swig: add WebPEncodeLossless* wrappers 
Change-Id: If373a5d2953ec53b856900666422fb2b4f9939a4
 2012-07-17 14:41:51 -07:00
James Zern
9ff00cae72 bump encoder/decoder versions 
those returned by WebPGet(Encoder|Decoder)Version()

Change-Id: I7584d04060ae7ca552f8f3aaf9df294d310a5be6
 2012-07-17 13:43:39 -07:00
Pascal Massimino
c2416c9b61 add lossless quick encoding functions to the public API 
New functions:
   WebPEncodeLosslessRGB()
   WebPEncodeLosslessBGR()
   WebPEncodeLosslessRGBA()
   WebPEncodeLosslessBGRA()

Change-Id: Id56da7569eee80c57de8f1f053fb87b217d33a4b
 2012-07-17 12:02:53 -07:00
pascal massimino
4c1f5d6435 Merge "NEWS: mention decode_vp8.h is no longer installed" into 0.2.0 2012-07-17 11:20:55 -07:00
James Zern
6cb2277d0f NEWS: mention decode_vp8.h is no longer installed 
Change-Id: Id1075b4a917c83552446fb62dada8868dbdb21ef
 2012-07-17 11:19:42 -07:00
James Zern
d5e5ad6356 move decode_vp8.h from webp/ to dec/ 
the functions contained in it are now private

Change-Id: Ief6c81b32ae3f6d97052edac625716e5b909e66e
 2012-07-16 22:12:59 -07:00
James Zern
8d3b04a25d Merge "header clean-up" into 0.2.0 2012-07-16 19:21:49 -07:00
James Zern
02201c35a0 Merge "remove one malloc() by making color_cache non dynamic" into 0.2.0 2012-07-16 19:21:05 -07:00
James Zern
d708ec1452 Merge "move MIN/MAX_HISTO_BITS to format_constants.h" into 0.2.0 2012-07-16 19:19:32 -07:00
James Zern
ab2da3e9fd Merge "add a malloc() check" into 0.2.0 2012-07-16 19:18:28 -07:00
Pascal Massimino
2d571bd89f add a malloc() check 
mostly a sanity measure to be future-proof

Change-Id: I55a81345819b2a8e939c98f0da883dc5c0cc16a2
 2012-07-16 19:15:00 -07:00
Pascal Massimino
7f0c178e46 remove one malloc() by making color_cache non dynamic 
Change-Id: I7c71a056f79a79bfacfe64a263f1eb8476c05456
 2012-07-16 19:13:58 -07:00