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a4b9b1c604
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Author SHA1 Message Date
Urvang Joshi
a4b9b1c604 Remove some unused enum values. 
- WEBP_MUX_INVALID_PARAMETER: was used only at one place, and that too
should actually be an assert().
- WEBP_MUX_ERROR: was never used.

Change-Id: I8883cb4dfae7a7918507501f21fced0c04dda36a
 2012-07-19 11:23:37 +05:30
Urvang Joshi
857650c8fc Mux: Add WebPDataInit() and remove WebPImageInfo 
Change-Id: If661f7d198e284a103a53a451e9f74805119fcf9
 2012-07-16 11:12:05 +05:30
James Zern
8130c4cc64 Merge "build: remove libwebpmux from default targets/config" 2012-07-13 11:33:52 -07:00
James Zern
23b44438dd Merge "configure: broaden test for libpng-config" 2012-07-13 11:13:26 -07:00
James Zern
85bff2cdbe Merge "doc: correct lossless prefix coding table & code" 2012-07-13 11:12:14 -07:00
James Zern
05108f6ea0 Merge "More spec/code matching in mux:" 2012-07-12 23:53:58 -07:00
Urvang Joshi
6808e69db8 More spec/code matching in mux: 
- Match offsets, duration, width/height for frames/tiles and enforce
some constraints.
- Note that this also means using 'int's instead of 'uint32_t's for
16-bit and 24-bit fields.

Change-Id: If0b229ad9fce296372d961104aa36731a3b1304b
 2012-07-13 11:47:24 +05:30
pascal massimino
bd2b46f5f2 Merge "doc/webp-container-spec: light cosmetics" 2012-07-12 21:04:27 -07:00
James Zern
20ead3290f doc/webp-container-spec: light cosmetics 
- provide anchor links to the bitstream chunks referenced in the
  extended format section
- remove some unnecessary parenthetical notation and add some
  consistency to various chunk element definitions

Change-Id: Ifd946fee81b36e4e555399555a2a58c853fdc3b7
 2012-07-12 19:19:39 -07:00
James Zern
1d40a8bce8 configure: add pthread detection 
adds a --disable-threading option to prevent the check.
uses AX_PTHREAD from:
git://git.savannah.gnu.org/autoconf-archive.git
100644 blob d90de34d14    ax_pthread.m4

Change-Id: Icf3ad1ebcf052748bc341706effcc9ba02a259e4
 2012-07-12 16:27:29 -07:00
Pascal Massimino
b5e9067a28 fix some int <-> size_t mix for buffer sizes 
could have led to some negative overflow on 32bit arch
(if it was not for the "total_size == (size_t)total_size" test)

Change-Id: I7640340b605b9c674d30dd58a1e2144707299683
 2012-07-12 07:23:01 -07:00
James Zern
e41a759615 build: remove libwebpmux from default targets/config 
the extended file format is still under development and related
libs/binaries are not fit for release

configure:
--enable/disable-libwebpmux; default is disabled.

makefile.unix:
src/mux/libwebpmux.a and examples/webpmux must be explicitly specified

Makefile.vc:
$(DIRLIB)\libwebpmux.lib and $(DIRBIN)\webpmux.exe must be explicitly
specified

Change-Id: I8246746b256010dd2a2e4de58291222d7eaf0457
 2012-07-11 14:25:41 -07:00
James Zern
0fc2baae5c configure: broaden test for libpng-config 
some versions of cygwin's libpng-devel only install libpngXX-config,
e.g., libpng12-config, but do not create libpng-config. the library also
has a version number.

Change-Id: I35332b7011e2dbabb95b599f810523a729d6097e
 2012-07-11 14:21:50 -07:00
pascal massimino
45b8272c31 Merge "restore authorship to lossless bitstream doc" 2012-07-11 13:56:10 -07:00
James Zern
06ba05909e restore authorship to lossless bitstream doc 
lost in port from pdf

Change-Id: I17bad348577be9818c036e557a0beba63ffcc689
 2012-07-11 13:46:00 -07:00
Pascal Massimino
44a09a3ccd add missing description of the alpha filtering methods 
Change-Id: Id7bdf5e30121ce5d610b7fa00f64bcd2d7bed2bf
 2012-07-10 19:50:30 -07:00
James Zern
63db87dd2a Merge "vwebp: add checkboard background for alpha display" 2012-07-10 12:38:16 -07:00
James Zern
a73b8978d1 vwebp: add checkboard background for alpha display 
Change-Id: Iefb02f38c0479e61334844d9110cd1b735f0395d
 2012-07-10 12:02:03 -07:00
pascal massimino
939158ce4f Merge "vwebp: fix info display" 2012-07-10 07:37:28 -07:00
James Zern
b35c07d9a7 vwebp: fix info display 
change alpha intensity to 1 from 0; broken since alpha blending was enabled.

Change-Id: Ic8bb73b62e602ae56e08e9d5a77fdc6aa76b54c5
 2012-07-09 22:47:10 -07:00
Pascal Massimino
48b39eb17a fix underflow for very short bitstreams 
+ hardened the asserts

Change-Id: Ie798ef2f9d848c131f6f84a35ea28ef254822d1e
 2012-07-09 16:47:34 -07:00
James Zern
7e622984bb cosmetics: param alignment, manpage wording 
after eb6f9b8, c0e8859

Change-Id: I79bcea77d65eb6d1abf1156796996f3b9909b62b
 2012-07-07 10:37:26 -07:00
pascal massimino
1bd7dd5097 Merge changes I7b0afb0d,I7ecc9708 
* changes:
  Get rid of image_info_ from WebPChunk struct.
  WebP Container Spec:
 2012-07-04 16:32:29 -07:00
pascal massimino
ac69e63eeb Merge "Updated cwebp man's help for Alpha & Lossless." 2012-07-04 16:30:03 -07:00
Urvang Joshi
c0e8859d81 Get rid of image_info_ from WebPChunk struct. 
The image_info_ was used only in GetImageCanvasWidthHeight(). So, now
we infer it from data there.
This removal fixes a bug: earlier, 'image_info' wasn't initialized in
the WebPMuxCreate() flow, and so the canvas width/height were being
calculated to be zero.

Also, a related refactoring: Combine CreateImageInfo() and
CreateDataFromImageInfo() into a single function CreateFrameTileData().

Change-Id: I7b0afb0d36dc6e13b9d6a1135fb027aa4e03716c
 2012-07-04 18:49:56 +05:30
Urvang Joshi
135ca69eb7 WebP Container Spec: 
Clarify that a file must contain at least one frame.

Change-Id: I7ecc97084498adc108275585d0c7d0aaa9f5c6ed
 2012-07-04 17:28:17 +05:30
Vikas Arora
eb6f9b8a72 Updated cwebp man's help for Alpha & Lossless. 
Change-Id: Iaa129685fdbd95c3b408c92c77532b321bc2637f
 2012-07-04 12:51:56 +05:30
Pascal Massimino
0fa844fb8f cosmetic fixes on assert and 'const' where applicable 
Change-Id: Iede15b8464be453e7d12929513ed82183921265c
 2012-07-03 05:50:36 -07:00
Pascal Massimino
7f22bd2596 check limit of width * height is 32 bits 
Update the RIFF-specs file too

Change-Id: I113a7e25da2f7a19c1344c1dc5d496127cfe2596
 2012-07-03 05:42:13 -07:00
James Zern
16c46e83ac autoconf/make: cosmetics: break long lines 
Change-Id: If08350a27cdfc4371dcb28ecb9d88d05eceaf977
 2012-07-02 21:48:18 -07:00
James Zern
ab22a07afc configure: add helper macro to define --with-* 
replaces repeated --with-{jpeg,png,tiff}{include,lib}dir defines

Change-Id: Ic0eb8622dfc94184ab74f8302112c36547a34664
 2012-07-02 21:26:48 -07:00
James Zern
c17699b343 configure: add libtiff test 
Change-Id: Ia5828797bae9c993a3d00ddd5e0089d3b828e975
 2012-07-02 18:01:49 -07:00
pascal massimino
0e09732c5e Merge "cwebp: fix crash with yuv input + lossless" 2012-07-02 14:40:00 -07:00
pascal massimino
88a510ff53 Merge "fix big-endian VP8LWriteBits" 2012-07-02 14:38:32 -07:00
James Zern
da99e3bfcd Merge "Makefile.vc: split mux into separate lib" 2012-07-02 14:36:17 -07:00
James Zern
7bda392b50 cwebp: fix crash with yuv input + lossless 
Change-Id: Ia27c925f532a4243369288e954abdc063b9f94f9
 2012-07-02 14:33:25 -07:00
James Zern
f56a369ab0 fix big-endian VP8LWriteBits 
bits would be lost if n_bits was > 17

Change-Id: Id315d075075338a08e10c04faa91cab347a53591
 2012-07-02 14:30:41 -07:00
pascal massimino
54169d6cd7 Merge "cwebp: name InputFileFormat members consistently" 2012-07-02 13:19:27 -07:00
James Zern
e2feefa9b8 Makefile.vc: split mux into separate lib 
similar to other builds, reusing some variable naming from
makefile.unix.
also change the main output file names to libwebp{,mux}.{lib,dll} with
the import lib retaining the _dll suffix.

Change-Id: I6bbc4fb39ab37957f153e9f31954387b24094581
 2012-07-02 12:37:57 -07:00
pascal massimino
27caa5aa34 Merge "cwebp: add basic TIFF support" 2012-07-02 11:39:21 -07:00
James Zern
d8921dd4e6 cwebp: name InputFileFormat members consistently 
append an '_'. TIFF introduced TIFF_ to avoid a name clash.

Change-Id: Iebe484d43aeb8e1912cd5bd10d36e1c5e66a4b42
 2012-07-02 11:24:23 -07:00
James Zern
6f76d246ba cwebp: add basic TIFF support 
Change-Id: I29f354e1ef9cf8f23002cf2e15814a53a94b4ed5
 2012-07-02 11:22:52 -07:00
pascal massimino
4691407bb3 Merge changes If39ab7f5,I3658b5ae 
* changes:
  WebPMuxCreate() error handling:
  Fix a memleak in WebPMuxCreate()
 2012-07-02 01:46:17 -07:00
Vikas Arora
cca7c7b81b Fixed nit: 10 -> 10.f 
Change-Id: I0cdb096525460b27f3adcb9f802f6dc193d5f590
 2012-07-02 11:29:01 +05:30
Urvang Joshi
5d09a244b7 WebPMuxCreate() error handling: 
Directly return NULL if no allocation is done yet.

Change-Id: If39ab7f5a55833263d3372fa0a5d9b0a600cb9ed
 2012-07-02 11:20:09 +05:30
Urvang Joshi
777341c3d0 Fix a memleak in WebPMuxCreate() 
Change-Id: I3658b5ae487082aef28989eb8abc274c207fef0f
 2012-07-02 10:19:21 +05:30
James Zern
61c9d161d5 doc: correct lossless prefix coding table & code 
extra bit counts and literal distance return value

Change-Id: I290e3ee8900469503a323f87e9dbb8ca5cb4afc7
 2012-07-01 14:10:32 -07:00
James Zern
4c3975792b Merge "mark VP8{,L}{GetInfo,CheckSignature} as WEBP_EXTERN" 2012-06-29 10:31:26 -07:00
pascal massimino
e4e36cc6c6 Merge "Mux: Allow only some frames/tiles to have alpha." 2012-06-29 05:17:26 -07:00
pascal massimino
ad2aad3c21 Merge "WebP Decoding error handling:" 2012-06-29 05:15:55 -07:00