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a0ec9aace9
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Author SHA1 Message Date
Vikas Arora
a0ec9aace9 Update WebP encoder (cwebp) to support Alpha. 
Updated cwebp (Webp Encoder) binary to support Alpha encoding.
Modified man page and WebP container spec appropriately.

Change-Id: I52f6a5cb3e870c386591e9a7776293fa6a8fb04b
 2011-12-01 15:13:17 +05:30
Vikas Arora
667b769aee Fixed the include for types.h within mux.h 
Made the include (for types.h) to relative path w.r.t mux.h

Change-Id: Ifb2a36557d7c8b63490738a2cc48e03993d24639
 2011-12-01 13:47:32 +05:30
Vikas Arora
9523f2a5de Add Alpha Encode support from WebPEncode. 
Extend WebP Encode functionality to encode Alpha data and produce
bit-stream (RIFF+VP8X+ALPH+VP8) corresponding to WebP-Alpha.

Change-Id: I983b4cd97be94a86a8e6d03b3b9c728db851bf48
 2011-12-01 12:15:58 +05:30
pascal massimino
16612ddd30 Merge "Add Alpha Decode support from WebPDecode." 2011-11-30 22:02:03 -08:00
Vikas Arora
d117a94046 Add Alpha Decode support from WebPDecode. 
Extend WebP decode functionality to extract Alpha data (support ALPH
chunk) and decode the Alpha plane using Alpha (utils/alpha) core-lib.

Change-Id: I6f0ee1b189c13caba3c1dd9b681383bfd00aa212
 2011-12-01 11:24:50 +05:30
James Zern
67228734dc cosmetics after e1947a9 
indent / spelling / line length & a couple missing consts

Change-Id: Id282cb7bc6881d4738a3d9fa912b5b22a007c4d2
 2011-11-30 18:51:20 -08:00
Vikas Arora
e1947a9299 Add Alpha encode/decode code. 
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
 2011-11-30 17:53:09 +05:30
Pascal Massimino
afc4c5d695 simplify code by introducing a CopyPlane() helper func 
Change-Id: Id1a2a5d8a3bf48cf614213442c1386a77c0d6880
 2011-11-23 18:00:39 -08:00
pascal massimino
113b312881 Merge "MUX API Updates" 2011-11-23 05:58:02 -08:00
Urvang Joshi
c398f59536 MUX API Updates 
- Add alpha support in mux.
- Remove WebPMuxAddNamedData() and WebPMuxGetNamedData() APIs. Add WebPMuxSetImage(), WebPmuxGetImage() and WebPMuxDeleteImage() APIs instead.
- Refactor code using WebPImage struct.
- Corresponding changes in webpmux binary.
- WebPMuxSetImage()/AddFrame()/AddTile() can now work with data which starts from "RIFF...". This simplifies reading a single-image webp file and adding it as an image/frame/tile in mux.

Change-Id: I7d98a6407dfe55c84a682ef7e46bc622f5a6f8d9
 2011-11-23 19:03:13 +05:30
Somnath Banerjee
5acf04ef8c remove orphan source file 
similar to 8962030 enc/enc_sse2.c became a part of dsp/ w/e06ac08.

Change-Id: Ia0cef3133e3f8ec5da0bd7a5172c22e86f1d41cb
 2011-11-19 11:01:19 -08:00
pascal massimino
059f03ef99 Merge "dec: validate colorspace before using as array index" 2011-11-17 10:24:59 -08:00
James Zern
70a0398988 Merge "factorize some code" 2011-11-16 19:14:49 -08:00
Pascal Massimino
9b243b3db0 factorize some code 
Change-Id: Iac4cf0cf05888b7dd6613028dac619d8f5b0501b
 2011-11-16 19:00:27 -08:00
Urvang Joshi
372e2b463b Correct a bug in ReadPNG() with GRAY_ALPHA images 
Change-Id: I4676160ee544ed914cc0de3f9cd140d9ee65addc
 2011-11-16 18:56:23 -08:00
James Zern
469d6eb974 Merge "Makefile.am: remove redundant noinst_HEADERS" 2011-11-16 18:41:55 -08:00
James Zern
9fe3372f19 dec: validate colorspace before using as array index 
Change-Id: I5bcf01769d58d39a5f8d50f54cf0cd83a2309602
 2011-11-16 18:21:56 -08:00
James Zern
8962030f52 remove orphan source file 
enc/enc.c became a part of dsp/ w/e06ac08.

Change-Id: I9e99aa6eac7b28162f58f3f0dc180a68a279d136
 2011-11-14 19:31:02 -08:00
James Zern
ced3e3f4e0 Makefile.am: remove redundant noinst_HEADERS 
When they appear in _SOURCES they won't be installed [1].

[1]: http://www.gnu.org/software/automake/manual/automake.html#Headers

Change-Id: I14fd816294682e7bd0fccefd6428e1526c9470d8
 2011-11-11 16:29:32 -08:00
James Zern
964387ed19 use WEBP_INLINE for inline function declarations 
removes a #define inline, objectionable in certain projects

Change-Id: Iebe0ce0b25a030756304d402679ef769e5f854d1
 2011-11-11 10:53:58 -08:00
James Zern
90880a11b4 Merge "manpages: break long lines" 2011-11-09 19:12:32 -08:00
James Zern
b5910895ed Merge "manpages: minor formatting updates" 2011-11-09 19:11:56 -08:00
James Zern
4c451e4a34 Merge "Rectify the Chunk parsing logic." 2011-11-09 19:09:57 -08:00
James Zern
04e84cf1f1 examples: slight cleanup 
spelling/indent/condense a few lines
removal/restriction of extern "C" usage
add const where applicable

Change-Id: Idd49b3498b1d7fc391724b4cde63706022217cb0
 2011-11-04 15:30:28 -07:00
James Zern
099717ce92 manpages: break long lines 
Change-Id: I3bea93d358e5c3b3f7dd3c91e433ab4f817d1cd8
 2011-11-04 11:25:43 -07:00
James Zern
1daf39bbbc manpages: minor formatting updates 
escape '-'s
use consistent section names
webpmux.1:
 document -loop
 create subsections for each OPTION group

Change-Id: If41dc24d80e4a662024e82697d8d2cc4e194a35d
 2011-11-04 11:20:59 -07:00
Pascal Massimino
abd030b573 fix missing "(void)" in function signature 
Change-Id: I7edfc36174b6d16df909594c2693e75a09e1ac13
 2011-11-01 06:24:34 -07:00
Pascal Massimino
f6a7d75885 remove useless test 
Change-Id: I1b31842ddf719ddcc185a5d6a5032a20d5e593e2
 2011-11-01 05:18:46 -07:00
Vikas Arora
f07b2138cd Rectify the Chunk parsing logic. 
For odd-sized chunk-payload, there's one Byte padding at the end to make the
next chunk start at even-address. The chunk-skip logic needs to be updated to
handle such cases.

Change-Id: I8939ed07584a6195092fbe703eb0ea711fa5f153
 2011-10-31 18:47:33 -07:00
James Zern
b8634f7d8f webpmux: fix lib link order 
fixes static link (--disable-shared)

Change-Id: Ife926179490954a1d966d2deb97dd366a9d0dacd
 2011-10-28 18:11:00 -07:00
Pascal Massimino
42c2e682e0 Fix missing coma (on uncompiled code) 
Spotted by Jakub, Thanks!

Change-Id: Ic2509acc683690748089b831ee3d109ad2162dc2
 2011-10-27 06:37:36 -07:00
James Zern
d8329d41e3 Android.mk: add missing source files 
Fell out of date with some of the dsp.c moves.
Fixes Issue #93.

Change-Id: I2fb4424dbb0bc31af236cef2bed5ee542622067b
 2011-10-19 20:02:23 -07:00
James Zern
13a54df529 Merge "More aggressive copy-edit; add TODO; validate HTML5" 2011-10-12 15:59:30 -07:00
Lou Quillio
868b96aef4 More aggressive copy-edit; add TODO; validate HTML5 
Change-Id: I45e7fde3eb33067274b5d454451f1bf8785511fd
 2011-10-12 15:54:02 -07:00
James Zern
767afea250 configure: check for a symbol contained in libpng 
rather than 'main'. this fixes mis-detection when cross compiling.

Change-Id: I9560ca4805ef9eea5bd7370aeef2dcf6ed293478
 2011-10-07 19:44:03 -07:00
James Zern
408b8918c1 Merge "Linewrap at 72 cols. Casual copy-edit." 2011-10-07 17:50:31 -07:00
James Zern
3ae318c770 Merge "Restore (most) emphasis; add emphasis to normative RFC 2119 terms (MUST, etc.)" 2011-10-07 16:07:41 -07:00
James Zern
918eb2d822 Merge "Basic container doc source clean-up; fix lists and pseudocode blocks." 2011-10-07 15:15:36 -07:00
Lou Quillio
03bec9e0c0 Linewrap at 72 cols. Casual copy-edit. 
Change-Id: Iebecff7eb0a64080eab456f903afacca178d9d59
 2011-10-07 14:37:54 -07:00
Lou Quillio
2678d819a4 Restore (most) emphasis; add emphasis to normative 
RFC 2119 terms (MUST, etc.)

Change-Id: Ia07a64dd4eadebfe9ba8a98a4eef613d1b5d614a
 2011-10-07 14:31:43 -07:00
Lou Quillio
428674dad1 Basic container doc source clean-up; fix lists and pseudocode blocks. 
Add some furniture (README, template).

Change-Id: Ida154a625fe7013a1a759d16f11fd7ccd867c25d
 2011-10-07 14:28:18 -07:00
James Zern
6a77d92835 Merge "Makefile.vc: cosmetics" 2011-10-05 12:16:24 -07:00
James Zern
28c38e8c8f Merge "Makefile.vc: condense directory creation rules" 2011-10-05 12:14:06 -07:00
Lou Quillio
55be2cf878 Initial import of container spec document, from pdftotext transform. 
new file:   doc/webp-container-spec.txt

Change-Id: I60b97d6f0219f0041c92b6d980cd8ebae8ae4ca5
 2011-10-04 16:27:59 -07:00
James Zern
a82a788ba0 Makefile.vc: cosmetics 
- break long lines
- detab variable assignments
- sort object names

Change-Id: I33a210e617552a97c36ac3b1e255af4c7f2b0e35
 2011-10-04 13:46:09 -07:00
James Zern
c8f41ce54e Makefile.vc: condense directory creation rules 
Change-Id: I39fb8278f17498998f8a9cf022a548e0735b1d11
 2011-10-04 13:39:39 -07:00
Mikolaj Zalewski
2b877cd0c8 Some fixes to Makefile.vc to support the src\mux directory. 
Change-Id: I5a4a3087032dc1d5f75750b2db2a3092d39f8fc0
 2011-10-01 23:47:58 +02:00
pascal massimino
3eb969b3ed Merge "Add Makefile.vc for Mux library & binary." 2011-09-30 03:55:11 -07:00
Vikas Arora
e78e971e98 Add Makefile.vc for Mux library & binary. 
Add Makefile.vc for Windows platform to build Mux library and example
command line tool.

Change-Id: Ic9e2290feda0ae3e2f2fb3c5f8d46e79eada71a3
 2011-09-30 16:05:33 +05:30
Urvang Joshi
6aedde5891 Add manual for WebPMux tool. 
This change adds manual page for the command-line tool webpmux.

Change-Id: I01aed259c9db4bc605433f528a7deff4f5292fbe
 2011-09-30 14:04:54 +05:30