build
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$ cd src
$ gcc -O3 -o flv2mpeg4 avformat_writer.c dcprediction.c flv2mpeg4.c fetch.c flvdecoder.c m4vencode.c mp3header.c -lavformat -lavcodec -lavutil -I/usr/include/ffmpeg -L/usr/lib


usage
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 - FLV to AVI(DIVX)
   ./flv2mpeg4 input.flv output.avi
 - FLV to MOV
   ./flv2mpeg4 input.flv output.mov
 - FLV to MP4(Video only)
   ./flv2mpeg4 input.flv output.mp4