Forgot to mention that the batch process can receive any type of video. El 9 de marzo de 2010 15:41, Sebasti?n Lacuesta <sebastianlacuesta at gmail.com > escribi?: > Well, thanks for the -af channels=1 detail, it "worked" for files with > multiple channels, but sound still is fast. Actually, now I use ffmpeg to > convert to 3gp, but first I need to decode the original file using mencoder > because it seems to support more formats. I have a batch process that > receives a video and then it needs to convert it to 3gp. Now I convert the > original video to flv (I needed the video in that format before too) using > mencoder and then I encode it to 3gp using ffmpeg. I don't know if flv is a > good choice as intermediate format. > If I could use mencoder directly, I guess the process would be faster, > without the need of an intermediate file. I have reported it some time ago: > http://bugzilla.mplayerhq.hu/show_bug.cgi?id=1603 I haven't see any > resolution, it leaves as "NEW". > Is there any better choice than flv as intermediate format/audio > codec/video codec? > Thanks! > > 2010/3/9 Carl Eugen Hoyos <cehoyos at ag.or.at> > > Sebasti?n Lacuesta <sebastianlacuesta <at> gmail.com> writes: >> >> > mencoder AnInputFile.ext -o TheOutputFile.3gp -of lavf -oac lavc -ovc >> lavc >> > -srate 8000 -vf scale=176:144 -ofps 12 -channels 1 -lavcopts >> > vcodec=h263:acodec=libopencore_amrnb:abitrate=12200 >> >> Did you try FFmpeg? >> ffmpeg -i AnInputFile.ext -acodec libopencore_amrnb -s 176x144 -ac 1 -ar >> 8000 >> -ab 12.2k TheOutputFile.3gp >> >> To downmix, you need -af channels=1, not -channels 1 (see man mplayer). >> >> Carl Eugen >> >> _______________________________________________ >> MPlayer-users mailing list >> MPlayer-users at mplayerhq.hu >> https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users > > >
