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Author SHA1 Message Date
James Zern
522e9d6108 Merge "cwebp: enable '-metadata'" 2013-01-24 20:04:09 -08:00
James Zern
76ec5fa1b6 cwebp: enable '-metadata' 
This copies metadata selected by -metadata from the input to the output
if present.
Currently there is no WIC support for Windows builds.

Change-Id: I34fb2443729d80ffe3a6da0979d9f6fa9b3fe536
 2013-01-24 19:52:50 -08:00
pascal massimino
aeb91a9d49 Merge "cosmetics: break a few long lines" 2013-01-23 15:05:40 -08:00
James Zern
be7c96b069 cosmetics: break a few long lines 
Change-Id: I785763b974b4e7664ad8e9884251aa2d5274b456
 2013-01-23 14:50:19 -08:00
pascal massimino
cff8ddb61b Merge "add libwebpdecoder.pc" 2013-01-23 14:27:41 -08:00
pascal massimino
93148ab867 Merge "libwebp.pc.in: detab" 2013-01-23 14:25:06 -08:00
pascal massimino
6477f955b6 Merge "Makefile.vc: normalize path separator" 2013-01-23 14:21:36 -08:00
James Zern
bed1ed7c28 add libwebpdecoder.pc 
Change-Id: Ifc47549a9fe206fa174236664345d3ee064849f5
 2013-01-23 13:57:08 -08:00
James Zern
46168b2d00 libwebp.pc.in: detab 
Change-Id: I60f38e9f6e1cdba29163240a394b5be0a14c4bca
 2013-01-23 13:31:43 -08:00
Vikas Arora
a941a3463e Fixed few nits in the build files. 
Fixed the nits from last change (Provide an option to build decoder
library).

Change-Id: I7d8675b8156dc63cf21ef64810722552e7fb59f6
 2013-01-23 13:22:06 -08:00
James Zern
dd7a49b21b Makefile.vc: normalize path separator 
/ -> \

Change-Id: I691c03683650b8b97a365281e9384f4a3f3fe1ca
 2013-01-23 12:46:18 -08:00
James Zern
9161be863d Merge "cwebp: extract WIC decoding to its own module" 2013-01-23 12:44:22 -08:00
pascal massimino
08e7c58ee1 Merge "Provide an option to build decoder library." 2013-01-23 11:54:24 -08:00
Vikas Arora
0aeba52852 Provide an option to build decoder library. 
When the config option '--enable-libwebpdecoder' is specified, the
lean decoder library 'libwebpdecoder' will be created in addition to
libwebp. Also dwebp binary will be linked to libwebpdecoder, if this
config option is specified.

Change-Id: I9de3e149b59c9a8390fae2ba660941749640e54a
 2013-01-23 11:43:36 -08:00
skal
757ebcb1c1 catch malloc(0)/calloc(0) with an assert 
Actually, it turns out we now should never call these functions
with a zero size, otherwise something is wrong in the logic.

Change-Id: Ie414fcbec95486c169190470a71f2cff0843782a
 2013-01-23 20:09:28 +01:00
skal
152ec3d2ee Merge "handle malloc(0) and calloc(0) uniformly on all platforms" 2013-01-23 04:41:36 -08:00
James Zern
a452a5554a cwebp: extract WIC decoding to its own module 
Change-Id: I8e3e20787f6c3cc0616bd33beb2a6ccdda1e04f7
 2013-01-22 18:31:28 -08:00
James Zern
2b252a53a8 Merge "Provide option to swap bytes for 16 bit colormodes" 2013-01-22 15:00:39 -08:00
Vikas Arora
94a48b4bc3 Provide option to swap bytes for 16 bit colormodes 
Color modes: RGB_565 & RGBA_4444
Change-Id: I571b6832b9848e5c4109272978f68623ca373383
 2013-01-22 14:51:20 -08:00
skal
42f8f9346c handle malloc(0) and calloc(0) uniformly on all platforms 
also change lossless encoder logic, which was relying on explicit
NULL return from WebPSafeMalloc(0)

renamed function to CheckSizeArgumentsOverflow() explicitly

addresses issue #138

Change-Id: Ibbd51cc0281e60e86dfd4c5496274399e4c0f7f3
 2013-01-22 23:40:16 +01:00
skal
8b2152c579 Merge "add an extra assert to check memory bounds" 2013-01-22 14:10:02 -08:00
skal
0d19fbff51 remove some -Wshadow warnings 
these are quite noisy, but it's not a big deal to remove
them.

Change-Id: I5deb08f10263feb77e2cc8a70be44ad4f725febd
 2013-01-22 23:06:28 +01:00
skal
cd22f655e8 add an extra assert to check memory bounds 
-> will remove a static-analysis warning about unused value.
addresses issue #138

Change-Id: I8ba4bf71a41e32759da41907aab73108dd230bc4
 2013-01-22 13:38:58 +01:00
skal
8189feda50 Merge "Add details and reference about the YUV->RGB conversion" 2013-01-21 07:10:42 -08:00
pascal massimino
1d2702b1da Merge "Formatting fixes in lossless bitstream spec" 2013-01-18 14:41:56 -08:00
Urvang Joshi
8425aaee8f Formatting fixes in lossless bitstream spec 
- Escape brackets for which kramdown was generating a warning.
Note: This only changes this source file; output HTML would look exactly
the same.
- Also write '5' in words ('five').

Change-Id: I472a03c090a12eb7520719ea463469b36a2736b9
 2013-01-18 14:35:47 -08:00
skal
a556cb1ab4 Add details and reference about the YUV->RGB conversion 
Originated from the discussion at
   http://code.google.com/p/webp/issues/detail?id=134

Change-Id: I24384e2d2f5cf262d8632fc98303cba5e2d27224
 2013-01-18 23:26:55 +01:00
skal
d8f21e0bab add link to SSIM description on Wikipedia 
+ a brief description of LSIM

Change-Id: I4344f3e3b28d8bc4109b729dec9000e9c8fcbdbb
 2013-01-18 13:13:56 +01:00
pascal massimino
18e9167ea6 Merge "WebP-lossless spec clarifications:" 2013-01-18 00:15:01 -08:00
pascal massimino
98e25b9b81 Merge "cwebp: add -metadata option" 2013-01-18 00:13:40 -08:00
Urvang Joshi
f01c2a538c WebP-lossless spec clarifications: 
- Clarify the BNF using 'Huffman code groups' and 'Huffman code group'.
- Introduce same terminology in 'Interpretation of meta Huffman codes'.
- Make explicit mention of what is the number of Huffman code groups,
  number of Huffman codes and the relation between the two.

Change-Id: I07aa9b62c1d464cd25dc02ac1a68d338b575bdc2
 2013-01-17 15:19:09 -08:00
pascal massimino
f4a97970de Merge "Disto4x4 and Disto16x16 in NEON" 2013-01-17 11:07:20 -08:00
Johann
47b7b0ba47 Disto4x4 and Disto16x16 in NEON 
Change-Id: Ic6d9dbbc97b5025ce359332c33ae306d5d8925a5
 2013-01-16 16:57:33 -08:00
James Zern
7eaee9f1ac cwebp: add -metadata option 
currently has no effect except to disable metadata extraction from the
input when the value is 'none'.

Change-Id: Ic50d4c9d634cc1f6b72ae4e130e99736c85a6477
 2013-01-14 17:44:54 -08:00
James Zern
36c52c2cf1 tiffdec: use toff_t for exif ifd offset 
versions < 4.0.0 used uint32 interchangeably, but with 4.0.0 toff_t
became 64-bit and TIFFTAG_EXIFIFD began returning it rather than
TIFF_LONG/uint32.

Change-Id: I42492bd24613a884c7496e7bfc0c5d892758bce9
 2013-01-10 21:33:24 -08:00
James Zern
7c8111e4a8 Merge "cwebp/tiffdec: add TIFF metadata extraction" 2013-01-10 15:52:05 -08:00
vikas arora
e6409adc2e Remove redundant include from dsp/lossless code. 
Change-Id: Ie8a497a486653f907c2a27f4027640a3308c6cc8
 2013-01-10 15:09:19 -08:00
pascal massimino
1ab5b3a7bd Merge "configure: fix --with-gifincludedir" 2013-01-08 13:54:23 -08:00
James Zern
03c749ebb8 configure: fix --with-gifincludedir 
GIF_INCLUDES were not being used by examples/Makefile.am

Change-Id: I981ad473f6efe24f095e2b9cc8b133d6ae3658b6
 2013-01-08 12:39:43 -08:00
Urvang Joshi
8b650635df multiple libgif versions support for gif2webp 
Make it work for libgif v5.0+, for which a couple of APIs have changed.

Change-Id: I6dd49bb5bf1b60f96f3a164d58ef2ef19281c96b
 2013-01-08 11:52:24 -08:00
Urvang Joshi
476e293fe8 gif2webp: Use DGifOpenFileName() 
This removes some unnecessary code.

Change-Id: Ic87baa402362f43b30d7c4a75be2f58e8f13f4a1
 2013-01-08 11:07:13 -08:00
James Zern
b50f277bc7 tiffdec: correct format string 
the expression using dircount will be promoted to int when tdir_t is an
unsigned short.
quiets:
warning: format specifies type 'unsigned short' but the argument has
      type 'int' [-Wformat]

Change-Id: If2e8c27454826556178b0a972aaed272d5fbfa07
 2013-01-07 19:06:20 -08:00
pascal massimino
2b9048e324 Merge "tiffdec: check error returns for width/height" 2012-12-22 06:29:23 -08:00
James Zern
a1b5a9a3e0 Merge "cwebp/tiff: use the first image directory" 2012-12-21 08:37:11 -08:00
James Zern
079423f5c5 tiffdec: check error returns for width/height 
Change-Id: I1399a7b75aea54044f30c6a53ac11843c1e75877
 2012-12-20 22:33:52 -08:00
pascal massimino
d62824af42 Merge "cwebp/jpegdec: add JPEG metadata extraction" 2012-12-20 22:25:46 -08:00
pascal massimino
03afaca4a2 Merge "cwebp: add PNG metadata extraction" 2012-12-20 22:20:12 -08:00
James Zern
2c724968d2 cwebp/jpegdec: add JPEG metadata extraction 
the values of EXIF/XMP/ICC are unused and Extended XMP for payloads >
64k is unsupported.

Change-Id: If721aa2009335ce090148b7ecd7ea8459f9b942d
 2012-12-20 18:35:38 -08:00
James Zern
dba64d91bb cwebp: add PNG metadata extraction 
the values of XMP/EXIF/ICC are currently unused.

Change-Id: I39d78b9a179f2d36c9c8ea12776bfdf6d8d18663
 2012-12-20 18:32:09 -08:00
Urvang Joshi
1f075f89b0 Lossless spec corrections/rewording/clarifications 
- Correct BNF for 'predictor-image' and 'color image'
- Correct some references to 'br', 'VP8LReadBits' and 'ReadStream'
- Correct value ranges in distance mapping table.
- Rewrite section 4 (some rearrangement, rewording, adding context etc).
- Similarly, rewrite section 5.

Change-Id: If487490c2553b3f7982b9fcca68d98bab5017e3c
 2012-12-20 10:44:42 -08:00