How to convert a .3gp video to .flv:
ffmpeg -i a.3gp -ar 22050 -ab 32k -f flv a.flv
How to convert to almost lossless format:
ffmpeg -i a.3gp -an -f yuv4mpegpipe b.avi
(Careful, an 11MB 3gp file becomes a 1.6GB avi file!)
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