1* MPEG4 header 2 - ffmpeg mpeg4 decoder gives error message when sending only the config 3 string, parsing is OK, error just means no picture was found in the 4 stream. 5 6* compare H263 encoders and H263+ 7 8* better RTP packetizing for h263 9 10* bitrate tuning in ffmpeg 11 - fixed the qmax values so we can quantize more. 12 13* make ffmpeg negotiate only with accepted framerates 14 15 16