| 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! |
| |
