holding the associated mutex while signaling a condition variable isn't
necessary and in some implementations will reduce performance as the
woken thread may test the mutex, fail and go back to sleep.
Change-Id: Id685a47b0c76fc4a1c5acedcb6623e8c55056415
_mm_set1_epi8() takes a char argument
_mm_insert_epi16 takes a short argument
from clang-7 integer sanitizer:
implicit conversion from type 'int' of value 255 (32-bit, signed) to
type 'char' changed the value to -1 (8-bit, signed)
implicit conversion from type 'int' of value 33153 (32-bit, signed) to
type 'short' changed the value to -32383 (16-bit, signed)
Change-Id: Ic88c8ef3d00146d34f53a560582db673f818370d
no change in object code
from clang-7 -fsanitize=implicit-integer-truncation
implicit conversion from type 'int' of value -16 (32-bit, signed) to
type 'uint8_t' (aka 'unsigned char') changed the value to 240 (8-bit,
unsigned)
Change-Id: Ia7cbaad247ab22b505b7f98b1247219c024f6db0
This is to make the initial window be rescaled in case the image
dimension is too large to fit the display.
BUG=webp:433
Change-Id: Ib04c12962bc8c26e74c8a6193829214da636ebde
no change in object code
from clang-7 -fsanitize=implicit-integer-truncation
implicit conversion from type 'int32_t' (aka 'int') of value 287
(32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the
value to 31 (8-bit, unsigned)
Change-Id: I692368bcc2f41412697b8ae51e53078831072891
regenerated with swig 3.0.10
matches the version used to update libwebp.py in:
0e7f8548 update generated swig files
Change-Id: I976a1a6b673c8174db5e97e8316c59970582e565
no change in object code
from clang-7 -fsanitize=implicit-integer-truncation
implicit conversion from type 'int' of value 39736 (32-bit, signed) to type 'uint8_t' (aka 'unsigned char') changed the value to 56 (8-bit, unsigned)
Change-Id: I0ecf24c5b1b11e056c58b3b85ea529c30cdadf57
"implicit conversion from type 'uint32_t' (aka 'unsigned int') of value xxxxx (32-bit, unsigned) to type 'uint8_t' (aka 'unsigned char') changed the value to xx (8-bit, unsigned)"
and same with signed -> unsigned conversion with truncation.
Change-Id: I50cae41a9ce7edcfcc814cc3ee2556b927064f43
We saturate the result to [0..255]
It's the easiest and safest, given the wide variety of scaling
range we cover: we're not using floats, so precision is always
an issue at one end or the other of the scaling spectrum.
we also use:
round(a - floor(b))
instead of:
floor(a - round(b))
to handle difficult cases (ratio ~= .99, e.g.)
MIPS code is still disabled (and wrong)
Change-Id: I18d3f5ddc4c524879c257b928329b1c648fa7fb5
previously if the mappings allocation failed histo_queue->queue would be
uninitialized; split the conditionals
Change-Id: I1b50b987e734393893dc8a83a3f314522ccd0c83
note that config.exact defaults to 0 and point users to WebPEncode() if
the default isn't acceptable.
BUG=webp:424
Change-Id: I179c34649834aeadc1606d0856f33e8255048ea1
This is to prevent resizing to dimension 0
+ added some safety checks about src_width > 0 and src_height > 0
BUG=webp:418
Change-Id: Ic04a53ad26455d80538bc8681882a554fca2a340
CommandLineToArgvW() returns a LPWSTR*, storing to const LPWSTR* is
incorrect without a cast; fixes gcc -Wincompatible-pointer-types
and clang(-cl) -Wincompatible-pointer-types-discads-qualifiers warnings
Change-Id: Iad5b49c4862c7be68251272e50d3c751099559bc
Taking the comments from the internal ParseHeadersInternal.
(which is called by GetFeatures).
BUG=webp:411
Change-Id: I9999b4a183805e2db1456610a30024a0d8be4d00
It's safer to clip the passed param instead of doing 32b arithmetic
and clipping afterward.
Output is unchanged, but code no longer rely on UB.
Change-Id: Ia5b4de6e8863981753f1d17f062965a6a5da5bed
dst->cur_ was not set.
The bug occurred only with several VP8LBitWriter instances
(thread_level > 0) and in 32-bit (in 64-bit, src->cur_ was
always 0 in VP8LBitWriterClone()).
BUG=chromium:917029
Change-Id: I0d94a3d8e62b247fd616eebe1009868dc8a5ed2e
Move IsFlat to its own header. This allows it to continue to be
inlined. Using the RTCD and creating a distinct function slows down arm
builds.
flower mug
C 3.59 2.12
NEON 3.47 2.01
BUG=b/118740850
Change-Id: Id77e8f76d9e9790c498806e7070bbe37c10bc2e9
thresh is defined by FLATNESS_LIMIT_* which ranges from 2-10.
score_t is int64 which is a touch overkill.
Change-Id: I308bd440bf11643665d3642fe361495a257b6e52
Direct copy of sse2. Slight improvement because neon has
abs().
flower.ppm had minimal improvement. Somewhat expected because
GetResidualCost_C is only ~3.6%
mug.ppm had a better improvement because GetResidualCost_C is
almost 9%.
C 2.150
NEON 2.130
BUG=b/118740850
Change-Id: Ibc0dd97a81596635f5599cf568205974b4fd2597
Much faster with aarch64. Still somewhat faster without vmaxv.
C: 3.700s
ArmV7: 3.675
aarch64: 3.600
BUG=b/118740850
Change-Id: I3be852da89633eca4bddce443c87f5e4a2f55868
