flv2mpeg4 is a Adobe(R) Flash(R) Video format (FLV) to MPEG4 Transcoder. flv2mpeg4 is able of converting while keeping the source original video quality.

Build:

$ 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:

- 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