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authorAndreas Huber <andih@google.com>2010-09-15 15:12:42 -0700
committerAndreas Huber <andih@google.com>2010-09-15 15:12:42 -0700
commitf71323e297a928af368937089d3ed71239786f86 (patch)
treedad338caad00af21fd81f0975335c343a91be085 /CHANGELOG
parent8aa17fc40a750935d80b115d89ca9403f42ab211 (diff)
downloadlibvpx-f71323e297a928af368937089d3ed71239786f86.tar.gz
Upgrade to the latest .webm project code.
Change-Id: I33907e0c9ded667e54d31e2f9226c77501731c6c
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+2010-09-02 v0.9.2
+ - Enhancements:
+ Disable frame dropping by default
+ Improved multithreaded performance
+ Improved Force Key Frame Behaviour
+ Increased rate control buffer level precision
+ Fix bug in 1st pass motion compensation
+ ivfenc: correct fixed kf interval, --disable-kf
+ - Speed:
+ Changed above and left context data layout
+ Rework idct calling structure.
+ Removed unnecessary MB_MODE_INFO copies
+ x86: SSSE3 sixtap prediction
+ Reworked IDCT to include reconstruction (add) step
+ Swap alt/gold/new/last frame buffer ptrs instead of copying.
+ Improve SSE2 loopfilter functions
+ Change bitreader to use a larger window.
+ Avoid loopfilter reinitialization when possible
+ - Quality:
+ Normalize quantizer's zero bin and rounding factors
+ Add trellis quantization.
+ Make the quantizer exact.
+ Updates to ARNR filtering algorithm
+ Fix breakout thresh computation for golden & AltRef frames
+ Redo the forward 4x4 dct
+ Improve the accuracy of forward walsh-hadamard transform
+ Further adjustment of RD behaviour with Q and Zbin.
+ - Build System:
+ Allow linking of libs built with MinGW to MSVC
+ Fix target auto-detection on mingw32
+ Allow --cpu= to work for x86.
+ configure: pass original arguments through to make dist
+ Fix builds without runtime CPU detection
+ msvs: fix install of codec sources
+ msvs: Change devenv.com command line for better msys support
+ msvs: Add vs9 targets.
+ Add x86_64-linux-icc target
+ - Bugs:
+ Potential crashes on older MinGW builds
+ Fix two-pass framrate for Y4M input.
+ Fixed simple loop filter, other crashes on ARM v6
+ arm: fix missing dependency with --enable-shared
+ configure: support directories containing .o
+ Replace pinsrw (SSE) with MMX instructions
+ apple: include proper mach primatives
+ Fixed rate control bug with long key frame interval.
+ Fix DSO link errors on x86-64 when not using a version script
+ Fixed buffer selection for UV in AltRef filtering
+
+
+2010-06-17 v0.9.1
+ - Enhancements:
+ * ivfenc/ivfdec now support YUV4MPEG2 input and pipe I/O
+ * Speed optimizations
+ - Bugfixes:
+ * Rate control
+ * Prevent out-of-bounds accesses on invalid data
+ - Build system updates:
+ * Detect toolchain to be used automatically for native builds
+ * Support building shared libraries
+ * Better autotools emulation (--prefix, --libdir, DESTDIR)
+ - Updated LICENSE
+ * http://webmproject.blogspot.com/2010/06/changes-to-webm-open-source-license.html
+
+
2010-05-18 v0.9.0
- Initial open source release. Welcome to WebM and VP8!