- mpeg2 aspect ratio dection fixed
- libxvid aspect pickiness fixed
- Frame multithreaded decoding
+- E-AC-3 audio encoder
+- ac3enc: add channel coupling support
+- floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.
+- H264/MPEG frame-level multi-threading
+- All av_metadata_* functions renamed to av_dict_* and moved to libavutil
+
+
+version 0.7_beta2:
+
- Lots of deprecated API cruft removed
- fft and imdct optimizations for AVX (Sandy Bridge) processors
- showinfo filter added
- Apple Core Audio Format muxer
- 9bit and 10bit H.264 decoding
- 9bit and 10bit FFV1 encoding / decoding
+- split filter added
+- select filter added
+- sdl output device added
version 0.7_beta1: