+version 0.4.7:
+
+- qpel encoding (Michael)
+- 4mv+b frames encoding finally fixed (Michael)
+- chroma ME (Michael)
+- 5 comparission functions for ME (Michael)
+- b frame encoding speedup (Michael)
+- wmv2 codec (unfinished)
+- user specified diamond size for EPZS (Michael)
+
+version 0.4.6:
+
+- completely new integer only mpeg audio layer 1/2/3 decoder rewritten
+ from scratch.
+- recoded dct and motion vector search with gcc (no longer depends on
+ nasm).
+- fix quantization bug in AC3 encoder.
+- added PCM codecs and format. Corrected wav/avi/asf pcm issues.
+- added prototype ffplay program.
+- added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
+- bug fix on MCBPC tables of H.263. (Juanjo)
+- bug fix on DC coefficients of H.263. (Juanjo)
+- added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
+- now we can decode H.263 streams found on QuickTime files. (Juanjo)
+- now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
+- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
+- added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
+- now H.263 picture size is returned on the first decoded frame. (Juanjo)
+- added first regression tests
+- added MPEG2 TS demux
+- new demux API for libav
+- more accurate and faster IDCT (Michael)
+- faster and entropy controlled motion search (Michael)
+- two pass video encoding (Michael)
+- new video rate control (Michael)
+- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
+- great performance improvement of video encoders and decoders (Michael)
+- new and faster bit readers and vlc parsers (Michael)
+- high quality encoding mode : tries all macroblock/VLC types (Michael)
+- added DV video decoder
+- preliminary RTP/RTSP support in ffserver and libavformat
+- H.263+ AIC decoding/encoding support. (Juanjo)
+- VCD MPEG-PS mode. (Juanjo)
+- PSNR stuff. (Juanjo)
+- Simple stats output. (Juanjo)
+- 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
+
version 0.4.5:
- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>).
- fixed msmpeg4 slice issues (tell me if you still find problems).
- fixed opendivx bugs with newer versions (added VOL header decoding).
- added support for mplayer interface.
+- added macroblock skip optimization.
+- added MJPEG decoder.
+- added mmx/mmxext idct from libmpeg2.
+- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
+ <celer@shell.scrypt.net>).
+- added pixel format convertion layer (e.g. for MJPEG or PPM).
+- added deinterlacing option.
+- mpeg1/2 fixes.
+- mpeg4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>).
+- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
+- Windows porting of file converter.
+- added MJPEG raw format (input/ouput).
+- added JPEG image format support (input/output).
version 0.4.4: