影音轉檔工具-MEncoder

想要將影音檔轉為Flash Video(flv)嗎？試試它吧~

MEncoder - Wikipedia:

MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License.
It is a close sibling to MPlayer and can convert all the formats that
MPlayer understands into a variety of compressed and uncompressed formats using different codecs.

安裝說明

Step 1:下載Mplayer

Step 2:下載Codecs

Step 3:將Codecs全部的檔案搬移至Mplayer目錄底下的「codecs」子目錄。

3gp轉flv

指令：

C:\mplayer>mencoder -vf scale=320:240 -ffourcc FLV1 -of lavf -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames -ovc lavc -lavcopts vcodec=flv:vbitrate=200 -srate 22050 -oac lavc -lavcopts acodec=mp3:abitrate=56 test.3gp -o test.flv

其它格式像是「wmv」、「mov」及「avi」也都可以成功轉碼~

參考資料：

MP4 encoder

Mp4 encoder for psp

在线转FLV

用Mencoder进行任意视频格式转换成flv

FFmpeg MEncoder FLV 3GP FlvMdi Avisynth 加水印参数

線上轉FLV