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.
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6* compare H263 encoders and H263+
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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
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