FFmpegさんが変換できないメモ
configuration: --enable-libamr-nb --enable-libamr-wb --enable-libmp3lame --enable-libfaad --enable-libfaac --enable-libx264 --enable-libgsm --enable-shared --enable-libxvid --enable-gpl --enable-nonfree --enable-libvorbis libavutil 49.14. 0 / 49.14. 0 libavcodec 52.12. 0 / 52.12. 0 libavformat 52.25. 0 / 52.25. 0 libavdevice 52. 1. 0 / 52. 1. 0
- AVI ( Stream #0.1: Audio: libmp3lame, 8000 Hz, mono, s16, 64 kb/s) -anじゃないとだめ