2010-09-02 22:56:47 +04:00
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2010-09-02 v0.9.2
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- Enhancements:
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Disable frame dropping by default
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Improved multithreaded performance
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Improved Force Key Frame Behaviour
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Increased rate control buffer level precision
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Fix bug in 1st pass motion compensation
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ivfenc: correct fixed kf interval, --disable-kf
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- Speed:
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Changed above and left context data layout
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Rework idct calling structure.
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Removed unnecessary MB_MODE_INFO copies
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x86: SSSE3 sixtap prediction
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Reworked IDCT to include reconstruction (add) step
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Swap alt/gold/new/last frame buffer ptrs instead of copying.
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Improve SSE2 loopfilter functions
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Change bitreader to use a larger window.
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Avoid loopfilter reinitialization when possible
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- Quality:
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Normalize quantizer's zero bin and rounding factors
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Add trellis quantization.
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Make the quantizer exact.
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Updates to ARNR filtering algorithm
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Fix breakout thresh computation for golden & AltRef frames
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Redo the forward 4x4 dct
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Improve the accuracy of forward walsh-hadamard transform
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Further adjustment of RD behaviour with Q and Zbin.
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- Build System:
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Allow linking of libs built with MinGW to MSVC
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Fix target auto-detection on mingw32
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Allow --cpu= to work for x86.
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configure: pass original arguments through to make dist
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Fix builds without runtime CPU detection
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msvs: fix install of codec sources
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msvs: Change devenv.com command line for better msys support
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msvs: Add vs9 targets.
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Add x86_64-linux-icc target
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- Bugs:
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Potential crashes on older MinGW builds
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Fix two-pass framrate for Y4M input.
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Fixed simple loop filter, other crashes on ARM v6
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arm: fix missing dependency with --enable-shared
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configure: support directories containing .o
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Replace pinsrw (SSE) with MMX instructions
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apple: include proper mach primatives
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Fixed rate control bug with long key frame interval.
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Fix DSO link errors on x86-64 when not using a version script
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Fixed buffer selection for UV in AltRef filtering
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2010-06-17 17:07:33 +04:00
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2010-06-17 v0.9.1
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- Enhancements:
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* ivfenc/ivfdec now support YUV4MPEG2 input and pipe I/O
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* Speed optimizations
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- Bugfixes:
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* Rate control
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* Prevent out-of-bounds accesses on invalid data
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- Build system updates:
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* Detect toolchain to be used automatically for native builds
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* Support building shared libraries
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* Better autotools emulation (--prefix, --libdir, DESTDIR)
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- Updated LICENSE
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* http://webmproject.blogspot.com/2010/06/changes-to-webm-open-source-license.html
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2010-05-18 19:58:33 +04:00
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2010-05-18 v0.9.0
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- Initial open source release. Welcome to WebM and VP8!
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