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Author SHA1 Message Date
James Zern
a9c8916b87 decode.h,WebPIDecGetRGB: clarify output ptr validity 
*last_y, *width, *height, *stride are only valid on non-NULL return

Change-Id: Iee2eeb29dd36392e2e7876d47df182a81dbb41ce
 2017-09-22 16:58:33 -07:00
Pascal Massimino
3c74c645ca gif2webp: handle 1-frame case properly + fix anim_diff 
follow-up to commit b4e046778

Change-Id: I3c7617d09682262ca7929e6a3e56777b163cce45
 2017-09-20 22:21:15 +00:00
Pascal Massimino
c7f295d30c Merge "gif2webp: introduce -loop_compatibility option" 2017-09-20 09:13:37 +00:00
Pascal Massimino
b4e046778d gif2webp: introduce -loop_compatibility option 
This patch fixes the compatibility for loop-count handling.
This aims at addressing the change in Chrome handling of loop-count
prior to M63.

Before M63: loop-count interpretation was aligned to GIF's behaviour in
Chrome, but incompatible with WebP's spec. In particular, you couldn't
loop exactly once.

Post-M63: loop-count in WebP is really the total number of loops. Gif2webp
will convert correctly from a GIF source by adjusting the loop count.

Note: The Chrome version can be retrieved from the User-Agent
string (chrome://version).
An M63 version will contain the pattern:
   Chrome/63.x.xxxx.xx
for instance.

Change-Id: Ie6dc13227e6498f4d7af2f09247913648997648a
 2017-09-20 07:37:49 +00:00
James Zern
f78da3dea6 add LOCAL_CLANG_PREREQ and avoid WORK_AROUND_GCC w/3.8+ 
this results in a 15-20% speedup for lossy decoding on a N5/S6/CM1

BUG=webp:339

Change-Id: Icdeb84c3e0b8908147ac276b4d8f76c3d565b735
 2017-09-19 20:59:49 -07:00
James Zern
01c426f1e7 define WEBP_USE_INTRINSICS w/gcc-4.9+ 
32-bit builds are neutral to slightly faster using ndk r15c on a
N5/S6/CM1

BUG=webp:339

Change-Id: I94b9442e0ceaf2f5edb2b4026bc8b99cd77c918b
 2017-09-19 20:59:43 -07:00
Pascal Massimino
8635973dc3 use sdl-config (if available) to determine the link flags 
this fixes the compilation of vwebp_sdl on MacOS.

BUG=webp:355

Change-Id: I48c5607f31965b220db6bf707cff22b7157e0bb6
 2017-09-06 20:35:48 +00:00
Pascal Massimino
e9459382b0 use CPPFLAGS before CFLAGS 
this way, -Isrc/ is used *before* system-wide -I locations
like /opt/local/include/ for instance.

Change-Id: I83c97775aff87695720a0ff3fca5c3cf2bb62a09
 2017-09-03 21:13:33 -07:00
James Zern
4a9d788e40 Merge "Android.mk,mips: fix clang build with r15" 2017-09-01 06:32:06 +00:00
James Zern
4fbdc9fb12 Android.mk,mips: fix clang build with r15 
-integrated-as is now required, the opposite of r14

Change-Id: Ic478b2b3b933e66e7d159030eac29f58743eecda
 2017-08-31 22:42:14 -07:00
Vincent Rabaud
a80fcc4ae1 ifdef code not used by Chrome/Android. 
Change-Id: Id086f6fd602b1fe3dc9034764b6a920a696ff1d2
 2017-08-31 14:02:05 +02:00
Vincent Rabaud
3993af127e Fix signed integer overflows. 
Change-Id: I62c9949f0edac58d69d991d6be5f85ae9e4d62a9
 2017-08-31 11:56:42 +02:00
Pascal Massimino
f66f94ef36 anim_dump: small tool to dump frames from animated WebP 
dumps frames to PNG, PAM or TIFF files.


Change-Id: I86a4d7e235cb7040cf5bbcae28270cb5a84be087
 2017-08-30 06:12:03 +00:00
Pascal Massimino
6eba857b75 Merge "rationalize the Makefile.am" 2017-08-29 21:05:20 +00:00
Vincent Rabaud
c5e34fba66 function definition cleanup 
Change-Id: I1f6bb4405f09c0c863d0bd1c77340636abdbae69
 2017-08-29 14:09:35 +02:00
Pascal Massimino
3822762a6c rationalize the Makefile.am 
one library addition per line, etc...

BUG=webp:355

Change-Id: I95761dea598a382db5632c5187210937e129ff75
 2017-08-29 00:00:14 -07:00
Pascal Massimino
501ef6e4e9 configure style fix: animdiff -> anim_diff 
BUG=webp:355

Change-Id: I4a90a11e075bf30aaa34a0b4c08c9038b0eb8f60
 2017-08-29 05:41:33 +00:00
Pascal Massimino
f8bdc26821 Merge "protect against NULL dump_folder[] value in ReadAnimatedImage()" 2017-08-29 05:41:16 +00:00
Pascal Massimino
23bfc652fe protect against NULL dump_folder[] value in ReadAnimatedImage() 
BUG=webp:355

Change-Id: If449ed4b0bd7a11ce7c646eabe2a7b58a1abf009
 2017-08-28 20:57:22 +00:00
James Zern
8dc3d71ba0 cosmetics,ReadAnimatedWebP: correct function comment 
BUG=webp:355

Change-Id: If671b67067ee6ebaa63e9710ddbb7d59b33dbc3b
 2017-08-28 11:43:26 -07:00
Pascal Massimino
5bd40066cc Merge changes I66a64a0a,I4d2e520f 
* changes:
  cosmetics,webpinfo: remove an else after a return
  cosmetics,cwebp: remove an else after a return
 2017-08-27 06:03:09 +00:00
James Zern
7945575c92 cosmetics,webpinfo: remove an else after a return 
this is redundant with an if block that returns

BUG=webp:355

Change-Id: I66a64a0a4932c5f419f6171684b72088c43e7136
 2017-08-26 14:22:39 -07:00
James Zern
8729fa1102 cosmetics,cwebp: remove an else after a return 
this is redundant with an if block that returns

BUG=webp:355

Change-Id: I4d2e520f89a8e144ab13aa3696f305365e584a0e
 2017-08-26 14:22:32 -07:00
James Zern
f324b7f9ba cosmetics: normalize fn proto & decl param names 
BUG=webp:355

Change-Id: If020eb3b064cdb11853d1fa47058acae34752ce3
 2017-08-26 14:17:31 -07:00
Vincent Rabaud
869eb36983 CMake cleanups. 
Change-Id: I177c856eb06e8fb2847a0d483114198a2a0a5dae
 2017-08-25 14:01:56 +02:00
Vincent Rabaud
289e62a313 Remove declaration of unimplemented VP8ApplyNearLosslessPredict 
Change-Id: I1bebea099a06bccfdd103ba0557320d6ad68af38
 2017-08-23 17:16:29 +02:00
James Zern
20a94186ce pnmdec,PAM: validate depth before calculating bytes_per_px 
fixes potential integer overflow with corrupt files.

Change-Id: I03e27fb14ad559dcd47e2704afdb6be9a163e02e
 2017-08-19 13:56:06 -07:00
James Zern
34130afe8b anim_encode: fix integer overflow 
calculate the file duration using unsigned math. this could still result
in an incorrect average duration calculation if there were multiple
rollovers. caching the duration is an option if it was desirable to
support such an extreme case.

Change-Id: I3875d94d081fec947c03a857055df6e27ff5351d
 2017-08-18 16:52:57 -07:00
Pascal Massimino
42c79aa66b Merge "Encoder: harmonize function suffixes" 2017-08-09 18:13:57 +00:00
skal
b09307dcde Encoder: harmonize function suffixes 
BUG=webp:355

Change-Id: Ia2fe95db7dfb303f3f64e390d43bc41b8933256c
 2017-08-09 02:41:01 +00:00
James Zern
bed0456d58 Merge "SSIM: harmonize the function suffix" 2017-08-09 02:37:39 +00:00
skal
54f6a3cf3a lossless_sse2.c: fix some missed suffix changes 
BUG=webp:355

Change-Id: If830e3169a4021899ed850aa7edfd94b81fa2cf9
 2017-08-08 14:19:05 -07:00
skal
088f1dcce8 SSIM: harmonize the function suffix 
BUG=webp:355

Change-Id: I751852ddb2abb7319e41e6c7d022ac4f288b4d08
 2017-08-08 08:52:06 -07:00
James Zern
86fc4dd9f4 webpdec: use ImgIoUtilCheckSizeArgumentsOverflow 
...prior to allocating a Picture. this is consistent with the other
readers and allows the allocation size to be limited at compile time

BUG=webp:355

Change-Id: Ib8e027ef863489b1e0f9e2a1403c3836da3ef48d
 2017-08-08 07:02:02 -07:00
James Zern
08ea9ecde3 imageio: add ability restrict max image size 
WEBP_MAX_IMAGE_SIZE can be defined to control this limit.
Set it to 1.5GiB w/--config=asan-fuzzer to avoid OOM with large resolution
images. This limit leaves some headroom over the single image max of 2^14 *
2^14 * 4

BUG=webp:355

Change-Id: I4d48eb0a063638297a842582e0229dfd5a54df5f
 2017-08-08 07:02:02 -07:00
James Zern
6f9daa4a3a jpegdec,ReadError: fix leaks on error 
everything post jpeg decoder creation should go through the error path
to ensure it's cleaned up properly

Change-Id: If78b4529e40797c67c3d0e624af1c036badea674
 2017-08-08 07:02:00 -07:00
skal
a0f72a4fe0 VP8LTransformColorFunc: drop an non-respected 'const' from the signature. 
BUG=webp:355

Change-Id: Ie99bf377a55db2950bfbac9423bfe0967623ea5d
 2017-08-07 19:05:01 -07:00
Pascal Massimino
8c934902cd Merge "Lossess dec: harmonize the function suffixes" 2017-08-08 02:04:10 +00:00
skal
622242aaba Lossess dec: harmonize the function suffixes 
BUG=webp:355

Change-Id: I445d64df6aa2e347f41e7af306be12a77e2ac6a5
 2017-08-07 18:22:41 -07:00
skal
1411f02761 Lossless Enc: harmonize the function suffixes 
BUG=webp:355

Change-Id: I8baf506bd2a27095b956ef22a862b071f60c0d72
 2017-08-07 18:02:07 -07:00
Vincent Rabaud
24ad2e3c99 add const to two variables 
Change-Id: I97374ccbf118baa59425346ffc439036a4482bf4
 2017-08-07 23:02:15 +02:00
Pascal Massimino
46efe062b8 Merge "Allow the lossless cruncher to work for alpha." 2017-08-07 21:00:02 +00:00
Vincent Rabaud
8c3f9a4706 Speed-up LZ77. 
No need to look for a bigger maximum reach if we reach the end
of the image.

Change-Id: I56b166f9266f15cdff5aa59a75559972db19858f
 2017-08-07 21:01:27 +02:00
Vincent Rabaud
1aef4c710b Allow the lossless cruncher to work for alpha. 
Change-Id: I7185e75404fae8c739e0536026f4687d25decad7
 2017-08-07 20:58:05 +02:00
Vincent Rabaud
b8821dbd81 Improve the box LZ77 speed. 
For a pixel, we look for the longest match starting in a window around it.
For the following pixel, the previous result can be used and smaller
search window is used.

Change-Id: Ice16f9a7c8754099d068380848f0d77de3f756ac
 2017-08-06 20:15:20 +02:00
James Zern
7beed2807b add missing ()s to macro parameters 
BUG=webp:355

Change-Id: I616c6d3540d6551edd1b1cfdb5bffcf0a044c90f
 2017-08-04 17:02:53 -07:00
James Zern
6473d20b3e Merge "fix Android standalone toolchain build" 2017-08-04 18:25:21 +00:00
James Zern
dcefed950b Merge "build.gradle: fix arm64 build" 2017-08-03 02:21:26 +00:00
James Zern
0c83a8bc69 Merge "yuv: harmonize suffix naming" 2017-08-02 06:35:36 +00:00
James Zern
c6d1db4b36 fix Android standalone toolchain build 
add a check for cpu-features.h and rework some of the ifdef's around
android + neon. for android builds with cpu-features enabled the
*_neon.c files will still need to be flagged correctly (with e.g.,
.c.neon in Android.mk) to properly build them.

BUG=webp:353

Change-Id: I905ce305af0a204e560b915d8665093a3edaceb9
 2017-08-01 22:59:03 -07:00