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Diffstat (limited to 'media/libwebp/NEWS')
| -rw-r--r-- | media/libwebp/NEWS | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/media/libwebp/NEWS b/media/libwebp/NEWS new file mode 100644 index 000000000..3bf4bd052 --- /dev/null +++ b/media/libwebp/NEWS @@ -0,0 +1,176 @@ +- 1/26/2017: version 0.6.0 + * lossless performance and compression improvements + * miscellaneous performance improvements (SSE2, NEON, MSA) + * webpmux gained a -duration option allowing for frame timing modification + * new img2webp utility allowing a sequence of images to be converted to + animated webp + * API changes: + - libwebp: + WebPPictureSharpARGBToYUVA + WebPPlaneDistortion + - libwebpmux / gif2webp: + WebPAnimEncoderOptions: kmax <= 0 now disables keyframes, kmax == 1 + forces all keyframes. See mux.h and the gif2webp + manpage for details. + +- 12/13/2016: version 0.5.2 + This is a binary compatible release. + This release covers CVE-2016-8888 and CVE-2016-9085. + * further security related hardening in the tools; fixes to + gif2webp/AnimEncoder (issues #310, #314, #316, #322), cwebp/libwebp (issue + #312) + * full libwebp (encoder & decoder) iOS framework; libwebpdecoder + WebP.framework renamed to WebPDecoder.framework (issue #307) + * CMake support for Android Studio (2.2) + * miscellaneous build related fixes (issue #306, #313) + * miscellaneous documentation improvements (issue #225) + * minor lossy encoder fixes and improvements + +- 6/14/2016: version 0.5.1 + This is a binary compatible release. + * miscellaneous bug fixes (issues #280, #289) + * reverted alpha plane encoding with color cache for compatibility with + libwebp 0.4.0->0.4.3 (issues #291, #298) + * lossless encoding performance improvements + * memory reduction in both lossless encoding and decoding + * force mux output to be in the extended format (VP8X) when undefined chunks + are present (issue #294) + * gradle, cmake build support + * workaround for compiler bug causing 64-bit decode failures on android + devices using clang-3.8 in the r11c NDK + * various WebPAnimEncoder improvements + +- 12/17/2015: version 0.5.0 + * miscellaneous bug & build fixes (issues #234, #258, #274, #275, #278) + * encoder & decoder speed-ups on x86/ARM/MIPS for lossy & lossless + - note! YUV->RGB conversion was sped-up, but the results will be slightly + different from previous releases + * various lossless encoder improvements + * gif2webp improvements, -min_size option added + * tools fully support input from stdin and output to stdout (issue #168) + * New WebPAnimEncoder API for creating animations + * New WebPAnimDecoder API for decoding animations + * other API changes: + - libwebp: + WebPPictureSmartARGBToYUVA() (-pre 4 in cwebp) + WebPConfig::exact (-exact in cwebp; -alpha_cleanup is now the default) + WebPConfig::near_lossless (-near_lossless in cwebp) + WebPFree() (free'ing webp allocated memory in other languages) + WebPConfigLosslessPreset() + WebPMemoryWriterClear() + - libwebpdemux: removed experimental fragment related fields and functions + - libwebpmux: WebPMuxSetCanvasSize() + * new libwebpextras library with some uncommon import functions: + WebPImportGray/WebPImportRGB565/WebPImportRGB4444 + +- 10/15/15: version 0.4.4 + This is a binary compatible release. + * rescaling out-of-bounds read fix (issue #254) + * various build fixes and improvements (issues #253, #259, #262, #267, #268) + * container documentation update + * gif2webp transparency fix (issue #245) + +- 3/3/15: version 0.4.3 + This is a binary compatible release. + * Android / gcc / iOS / MSVS build fixes and improvements + * lossless decode fix (issue #239 -- since 0.4.0) + * documentation / vwebp updates for animation + * multi-threading fix (issue #234) + +- 10/13/14: version 0.4.2 + This is a binary compatible release. + * Android / gcc build fixes + * (Windows) fix reading from stdin and writing to stdout + * gif2webp: miscellaneous fixes + * fix 'alpha-leak' with lossy compression (issue #220) + * the lossless bitstream spec has been amended to reflect the current code + +- 7/24/14: version 0.4.1 + This is a binary compatible release. + * AArch64 (arm64) & MIPS support/optimizations + * NEON assembly additions: + - ~25% faster lossy decode / encode (-m 4) + - ~10% faster lossless decode + - ~5-10% faster lossless encode (-m 3/4) + * dwebp/vwebp can read from stdin + * cwebp/gif2webp can write to stdout + * cwebp can read webp files; useful if storing sources as webp lossless + +- 12/19/13: version 0.4.0 + * improved gif2webp tool + * numerous fixes, compression improvement and speed-up + * dither option added to decoder (dwebp -dither 50 ...) + * improved multi-threaded modes (-mt option) + * improved filtering strength determination + * New function: WebPMuxGetCanvasSize + * BMP and TIFF format output added to 'dwebp' + * Significant memory reduction for decoding lossy images with alpha. + * Intertwined decoding of RGB and alpha for a shorter + time-to-first-decoded-pixel. + * WebPIterator has a new member 'has_alpha' denoting whether the frame + contains transparency. + * Container spec amended with new 'blending method' for animation. + +- 6/13/13: version 0.3.1 + This is a binary compatible release. + * Add incremental decoding support for images containing ALPH and ICCP chunks. + * Python bindings via swig for the simple encode/decode interfaces similar to + Java. + +- 3/20/13: version 0.3.0 + This is a binary compatible release. + * WebPINewRGB/WebPINewYUVA accept being passed a NULL output buffer + and will perform auto-allocation. + * default filter option is now '-strong -f 60' + * encoding speed-up for lossy methods 3 to 6 + * alpha encoding can be done in parallel to lossy using 'cwebp -mt ...' + * color profile, metadata (XMP/EXIF) and animation support finalized in the + container. + * various NEON assembly additions + Tool updates / additions: + * gif2webp added + * vwebp given color profile & animation support + * cwebp can preserve color profile / metadata with '-metadata' + +- 10/30/12: version 0.2.1 + * Various security related fixes + * cwebp.exe: fix import errors on Windows XP + * enable DLL builds for mingw targets + +- 8/3/12: version 0.2.0 + * Add support for ARGB -> YUVA conversion for lossless decoder + New functions: WebPINewYUVA, WebPIDecGetYUVA + * Add stats for lossless and alpha encoding + * Security related hardening: allocation and size checks + * Add PAM output support to dwebp + +- 7/19/12: version 0.1.99 + * This is a pre-release of 0.2.0, not an rc to allow for further + incompatible changes based on user feedback. + * Alpha channel encode/decode support. + * Lossless encoder/decoder. + * Add TIFF input support to cwebp. + Incompatible changes: + * The encode ABI has been modified to support alpha encoding. + * Deprecated function WebPINew() has been removed. + * Decode function signatures have changed to consistently use size_t over + int/uint32_t. + * decode_vp8.h is no longer installed system-wide. + * cwebp will encode the alpha channel if present. + +- 9/19/11: version 0.1.3 + * Advanced decoding APIs. + * On-the-fly cropping and rescaling of images. + * SSE2 instructions for decoding performance optimizations on x86 based + platforms. + * Support Multi-threaded decoding. + * 40% improvement in Decoding performance. + * Add support for RGB565, RGBA4444 & ARGB image colorspace. + * Better handling of large picture encoding. + +- 3/25/11: version 0.1.2 + * Incremental decoding: picture can be decoded byte-by-byte if needs be. + * lot of bug-fixes, consolidation and stabilization + +- 2/23/11: initial release of version 0.1, with the new encoder +- 9/30/10: initial release version with only the lightweight decoder |