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Added qcelp faq. 

Originally committed as revision 6289 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Benjamin Larsson 2006-09-18 20:19:11 +00:00
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@ -64,6 +64,10 @@ Beware that there is no "jpeg" codec. Use "mjpeg" instead.
No. FFmpeg only supports open source codecs. Windows DLLs are not
portable, bloated and often slow.
@section I get "Unsupported codec (id=86043) for input stream #0.1". What is the problem ?
This is the Qcelp codec, FFmpeg has no support for that codec currently. Try mencoder/mplayer it might work.
@section Why do I see a slight quality degradation with multithreaded MPEG* encoding ?
For multithreaded MPEG* encoding, the encoded slices must be independent,