Commit Graph

389 Commits

Author SHA1 Message Date
James Zern
e407b5d516 webpmux: simplify InitializeConfig()
put WebPMuxConfig on the stack in main() rather than allocating it in
InitializeConfig(); removes a level of indirection there.

(cherry picked from commit c0a462cac2)

Change-Id: I81d386f7472ebbd322dd3fdbfda9d78dbeb62a66
2014-10-14 12:02:16 +02:00
James Zern
3e70e64153 webpmux: fix indent
+ remove unnecessary cast

(cherry picked from commit 6986bb5e12)

Change-Id: I2070fbe6aeda49f5790c69390e5b539a2c1a5616
2014-10-14 12:02:16 +02:00
James Zern
be38f1af47 webpmux: fix exit status on numeric value parse error
in most cases 'ok' is set via a goto macro

(cherry picked from commit f89e1690df)

Change-Id: I17c832446bf3e716d3bcd323dbcc72bec544029c
2014-10-14 12:02:16 +02:00
James Zern
94dadcb1a1 webpmux: fix loop_count range check
explicitly check [0, 65535], the use of 'long' was removed in a prior
commit

(cherry picked from commit 0e23c487da)

Change-Id: I70d5bf286908459b5d4d619c657853f0e833b6ea
2014-10-14 12:02:16 +02:00
James Zern
40b3a618ec examples: warn on invalid numeric parameters
add ExUtilGet[U]Int / ExUtilGetFloat which print an error message on
parse failure.
fixes issue #219.

(cherry picked from commit 96d43a873a)

Conflicts:
	examples/cwebp.c
	examples/dwebp.c

Change-Id: Ie537f5aebd138925bf1a48289b6b5e261b3af2ca
2014-10-14 12:02:16 +02:00
Urvang Joshi
b7d209a448 gif2webp: Handle frames with missing graphic control extension
According to the GIF spec (http://www.w3.org/Graphics/GIF/spec-gif89a.txt),
this block is optional, and its scope is only the first graphic rendering block
that follows.

The spec doesn't mention what default values of frame dimensions, offsets,
duration and transparent index to use in such a case, though. So, we use the
defaults used by GIF reader in Chromium:
https://code.google.com/p/chromium/codesearch#chromium/src/third_party/WebKit/Source/platform/image-decoders/gif/GIFImageReader.h&l=186

(cherry picked from commit d51f3e4069)

Change-Id: Iecc6967847192483770e85ac15fe2835cd01ce7b
2014-10-14 12:02:16 +02:00
James Zern
6ecd5bf682 ExUtilReadFromStdin: (windows) open stdin in bin mode
fixes input/decode from stdin in the examples

(cherry picked from commit a6140194ff)

Change-Id: Ie8052da758a9ef64477501b709408236d258da82
2014-10-14 09:57:41 +02:00
James Zern
4206ac6bbf webpmux: (windows) open stdout in binary mode
prevents corrupt output. related to issue #217

(cherry picked from commit e80eab1fbc)

Change-Id: I6f0dac8131127717ba72b0709fb35d421ab41acb
2014-10-14 09:57:41 +02:00
James Zern
d40e885931 cwebp: (windows) open stdout in binary mode
prevents corrupt output. fixes issue #217

(cherry picked from commit e9bfb1166d)

Change-Id: If90afb441636144300da66d64f0e7f78505b4060
2014-10-14 09:57:41 +02:00
James Zern
4aaf463449 example_util: add ExUtilSetBinaryMode
use it in dwebp when dealing with 'stdout'

(cherry picked from commit 5927e15bc7)

Change-Id: I8b8a0b0de9e73731e913ac3c83b5e2b33c693175
2014-10-14 09:57:41 +02:00
James Zern
57a7e73d27 correct alpha_dithering_strength ABI check
the ABI wasn't bumped with this addition, but it's more correct to say
it was added with 0x0205 rather than 0x0204

Change-Id: I2ba12a33b612fac16bdfeb8272e76b0ea84f3938
2014-10-13 18:18:22 +02:00
James Zern
6c83157524 correct WebPMemoryWriterClear ABI check
this function was introduced in 0x0204; fix checks related to this to be
> 0x0203 instead of 0x0202, pointed out on ffmpeg-devel.

Change-Id: I52cd2b98304baf1eb9a83094e2374f2120a1546b
2014-10-13 18:18:19 +02:00
James Zern
2def1fe635 gif2webp: dust up the help message
* try to avoid trailing '.'
* rationalize capitalization

missed in:
0a8b886 dust up the help message

Change-Id: I6f80736cc8a2ff4f185f63d463a57d5bbf88a0db
2014-07-23 20:03:49 -07:00
James Zern
fb668d78b3 remove -noalphadither option from README/vwebp.1
+ vwebp's -help output

this is a future option; missed in:
793368e restore decode API compatibility

Change-Id: If920df2cf8de57ebad93a6b98830562149396d8d
2014-07-23 19:54:34 -07:00
James Zern
862d296cf9 restore mux API compatibility
protect WebPMuxSetCanvasSize w/a WEBP_MUX_ABI_VERSION check

Change-Id: I6b01af55ebb4cc4c860d3cbf43be722077896748
2014-07-23 16:13:56 -07:00
James Zern
d713a69644 Merge changes If4debc15,I437a5d5f into 0.4.1
* changes:
  restore encode API compatibility
  restore decode API compatibility
2014-07-23 13:56:27 -07:00
James Zern
c2fc52e4ec restore encode API compatibility
protect WebPConfigLosslessPreset/WebPMemoryWriterClear w/a
WEBP_ENCODER_ABI_VERSION check

Change-Id: If4debc15fee172a3f18079bc2bd29eb8447bc14b
2014-07-22 22:19:55 -07:00
James Zern
793368e8c6 restore decode API compatibility
protect flip/alpha_dither w/a WEBP_DECODER_ABI_VERSION check

Change-Id: I437a5d5f78800f71b7e7e323faa321f946bf9515
2014-07-22 20:03:52 -07:00
James Zern
b8984f3151 gif2webp: fix compile with giflib 5.1.0
DGifCloseFile() added an error code output parameter
http://giflib.sourceforge.net/gif_lib.html#compatibility

fixes issue #209

original patch by grizzly dot nyo at gmail

Change-Id: I5554de2bd70dbfd95fd356424ad5fb800ac94592
2014-07-22 17:50:30 -07:00
James Zern
222f9b1a9d gif2webp: simplify giflib version checking
introduce LOCAL_GIF_PREREQ/VERSION similar to the GCC variants in dsp.

Change-Id: I00ba5d523047b3b1c14ade992172e75e69043eb3
2014-07-22 17:41:55 -07:00
skal
4595b62b7c Merge "use explicit size of kErrorMessages[] arrays" 2014-07-21 13:37:49 -07:00
skal
fbda2f499c JPEG decoder: delay conversion to YUV to WebPEncode() call
We store the raw RGB samples decoded from JPEG, and avoid precision loss.

Note that this may increase the encoding time reported by
cwebp -v, since RGB->YUV now occur during WebPEncode call
(in case of lossy), instead of ReadJPEG().
This also increases the memory use, since we're carying the
source ARGB samples around.

Change-Id: Ic2180206cfc9f5574f391e91c3b89b9d81695d01
2014-07-21 22:26:22 +02:00
skal
0b747b1b39 use explicit size of kErrorMessages[] arrays
Change-Id: If02864e3a07ae37814bf379bf347862cd2871bf4
2014-07-21 13:21:56 -07:00
Pascal Massimino
257adfb0be remove experimental YUV444 YUV422 and YUV400 code
(never used)

Change-Id: I12a886703592133939607df05132e9b498f916c1
2014-07-03 22:26:25 -07:00
James Zern
380cca4f2c configure.ac: add AC_C_BIGENDIAN
this defines WORDS_BIGENDIAN, replacing uses of
__BIG_ENDIAN__/__BYTE_ORDER__ with it

+ fixes lossless BGRA output with big-endian toolchains
  that do not define __BIG_ENDIAN__ (codesourcery mips gcc)

Change-Id: Ieaccd623292d235343b5e34b7a720fc251c432d7
2014-07-03 18:15:50 -07:00
Pascal Massimino
9d5629025c make alpha-detection loop in IsKeyFrame() in good x/y order
Change-Id: Ifeeb855e66c7b6b849e8584787dc24e7371b1e67
2014-07-02 21:03:35 -07:00
skal
4536e7c49c add WebPMuxSetCanvasSize() to the mux API
previously, the final canvas size was adjusted tightly from the
animation frames. Now, it can be specified separately (to be larger, in particular).

calling WebPMuxSetCanvasSize(mux, 0, 0) triggers the 'adjust tightly' behaviour.
This can be useful after calling WebPMuxCreate() if further image addition
is expected.

-> Fixed gif2webp accordingly.

also: made WebPMuxAssemble() more robust by systematically zero-ing WebPData.

Change-Id: Ib4f7eac372cf9dbf6e25cd686a77960e386a0b7f
2014-06-30 07:00:49 +02:00
skal
1b6a263566 Merge "Fix handling of weird GIF with canvas dimension 0x0" 2014-06-25 02:14:54 -07:00
skal
1582e402fd Fix handling of weird GIF with canvas dimension 0x0
Similarly to Chrome, we then use the first sub-rectangle
to set the canvas size.

Also: add check for too-large GIF dimensions (>MAX_CANVAS_SIZE)

Change-Id: Idce55f1e6f6982a8f0e082aac540e16b530e023e
2014-06-24 17:40:40 +02:00
skal
db8b8b5fc2 Fix logic in the GIF LOOP-detection parsing
We align with Blink/Chromium code by:
  - checking for ANIMEXTS1.0 signature too
  - using ByteCount >= 3 instead of requiring ByteCount==3

Change-Id: Idc484ca62878517df3dccb1fdb3bb45104a5e066
see: http://odur.let.rug.nl/kleiweg/gif/netscape.html
2014-06-23 23:26:36 +02:00
James Zern
c6af999168 Merge "dust up the help message" 2014-06-19 23:12:02 -07:00
skal
0a8b8863cc dust up the help message
* try to avoid trailing '.'
* rationalize capitalization

Change-Id: I50939baf01b1ab44d3031eee916ba51f2338af8a
2014-06-20 07:13:11 +02:00
James Zern
2bc0dc3edc Merge "webpmux: warn when odd frame offsets are used" 2014-06-18 12:18:09 -07:00
James Zern
3114ebe46c Merge changes Id8edd3c1,Id418eb96,Ide05e3be
* changes:
  examples/Android.mk: add cwebp
  Android.mk: move dwebp to examples/Android.mk
  Android.mk: add ENABLE_SHARED flag
2014-06-18 12:17:15 -07:00
James Zern
c072663493 webpmux: warn when odd frame offsets are used
offsets are stored as (x/2, y/2)

Change-Id: Ic8f727ab7996a84c1f8c57f4f6dbaf8701bf8eae
2014-06-18 10:47:23 -07:00
James Zern
d51467841e examples/Android.mk: add cwebp
Change-Id: Id8edd3c17d82e4ab0087c315cd3ead1cb285e714
2014-06-17 23:41:12 -07:00
James Zern
ca0fa7c7a5 Android.mk: move dwebp to examples/Android.mk
this depends on the top-level Android.mk for shared flags

Change-Id: Id418eb9639e839518a921ffcb6a376ce10aafbd2
2014-06-17 23:41:01 -07:00
skal
bbe32df1e3 add alpha dithering for lossy
new options:
 dwebp -alpha_dither
 vwebp -noalphadither

When the source was marked as quantized, we use a threshold-averaging
filter to smooth the decoded alpha plane.
Note: this option forces the decoding of alpha data in one pass, and
might slow the decoding a bit.

The new field in WebPDecoderOptions struct is 'alpha_dithering_strength'
(0 by default, means: off). Max strength value is '100'.

Change-Id: I218e21af96360d4781587fede95f8ea4e2b7287a
2014-06-14 00:06:16 +02:00
Pascal Massimino
d6cd6358ff Merge "fix orig_rect==NULL case" 2014-06-12 00:48:30 -07:00
Pascal Massimino
2bfd1ffaba fix orig_rect==NULL case
Change-Id: I3bb4fbebf59cba2a67681e74530fc0fe51f1958f
2014-06-12 00:26:33 -07:00
James Zern
059e21c195 Merge "configure: move config.h to src/webp/config.h" 2014-06-11 22:52:07 -07:00
skal
f05fe006c2 properly report back encoding error code in WebPFrameCacheAddFrame()
User-hook can fail but error was not propagated back.

Change-Id: Ic79f9543bf767634a127eccfef90af855ff15c34
Also: some ad-hoc clean-up and API dusting. More to come later...
2014-06-11 23:26:47 +02:00
James Zern
32b3137936 configure: move config.h to src/webp/config.h
this change has the side-effect of using directory names in the
include, silencing a lint warning.

Change-Id: Ib91cf63a90534e32fadfa5c2372bfdb29f854d02
2014-06-10 23:42:00 -07:00
skal
385e334019 real fix for longjmp warning
the 'volatile' qualifier was at the wrong place

Patch by Paul Pluzhnikov

Change-Id: I26e6f311a0ccd145de640b3505fe92965389c1d9
2014-06-04 11:02:42 +02:00
skal
ac591cf22e fix for gcc-4.9 warnings about longjmp + local variables
Needed to add 'volatile' and some casts.
Relevant excerpt from the 'man longjmp':

===============
The values of automatic variables are unspecified after a call to longjmp() if they meet all the following criteria:
  ·  they are local to the function that made the corresponding setjmp(3) call;
  ·  their values are changed between the calls to setjmp(3) and longjmp(); and
  ·  they are not declared as volatile.
===============

Change-Id: Ic72dc92669513a820369ca52a038afa9ec88091f
2014-05-30 10:19:10 -07:00
James Zern
4c398699ef Merge "cwebp: fallback to native webp decode in WIC builds" 2014-05-28 15:03:34 -07:00
James Zern
7d039fc32d cwebp: fallback to native webp decode in WIC builds
this gives precedence to WIC, but attempts to decode the file as WebP if
it fails

Change-Id: I3d894f39a26aea88897a8ebd345139b82f74f312
2014-05-27 16:28:37 -07:00
James Zern
d471f424da cwebp: add some missing newlines in longhelp output
+ update README

Change-Id: Ia84d8857d575bc29ab3ce9c0f10264c042067e78
2014-05-27 16:28:02 -07:00
skal
dc5b122f23 try to remove the spurious warning for static analysis
Change-Id: Ib81f16c70a0bfad05021401c1cf6788c974b63bd
2014-05-26 18:31:00 +02:00
Pascal Massimino
f1e771735a remove all unused layer code
Change-Id: I220590162b24c70f404fe3087f19dd3e6cac3608
2014-05-08 22:37:38 -07:00