[FFmpeg-user] (no subject)

littlebat dashing.meng at gmail.com
Fri Sep 23 16:44:00 CEST 2011


On Fri, 23 Sep 2011 12:10:25 +0330
"hno2005" <hno2005 at gmail.com> wrote:

> HI,
> 
> I got this error when I'm trying to convert 3gp to flv the result
> file has 0 size .I'm using this command for converting:
> 
>  
> 
>  "ffmpeg.exe -i uploads/v_1.3gp -ar 22050 -ab 32 -f flv -s 320?240
> uploads/a.flv"
> 
>  
> 
> and I got this: 
> 
>  
> 
> FFmpeg version SVN-r12665, Copyright (c) 2000-2008 Fabrice Bellard,
> et al.
> 
>   configuration: --enable-gpl --enable-postproc --enable-swscale
> --enable-avfilt
> 
> er-lavf --enable-pthreads --enable-liba52 --enable-avisynth
> --enable-libfaac
> --e
> 
> nable-libfaad --enable-libgsm --enable-memalign-hack
> --enable-libmp3lame
> --enabl
> 
> e-libnut --enable-libtheora --enable-libvorbis --enable-libx264
> --enable-libxvid
> 
>  --cpu=i686 --extra-ldflags=-static
> 
>   libavutil version: 49.6.0
> 
>   libavcodec version: 51.54.0
> 
>   libavformat version: 52.13.0
> 
>   libavdevice version: 52.0.0
> 
>   built on Apr  2 2008 22:35:11, gcc: 4.2.3
> 
>  
> 
> Seems stream 0 codec frame rate differs from container frame rate:
> 29.97 (30000/
> 
> 1001) -> 15.00 (15/1)
> 
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'uploads/v_1.3gp':
> 
>   Duration: 00:01:03.6, start: 0.000000, bitrate: 189 kb/s
> 
>     Stream #0.0(und): Video: h263, yuv420p, 176x144 [PAR 12:11 DAR
> 4:3], 15.00 t
> 
> b(r)
> 
>     Stream #0.1(und): Audio: samr / 0x726D6173, 8000 Hz, mono
> 
> WARNING: The bitrate parameter is set too low. It takes bits/s as
> argument, not
> 
> kbits/s
> Output #0, flv, to 'uploads/a.flv':
> 
>     Stream #0.0(und): Video: flv, yuv420p, 320x240 [PAR 1:1 DAR 4:3],
> q=2-31, 20
> 
> 0 kb/s, 15.00 tb(c)
> 
>     Stream #0.1(und): Audio: libmp3lame, 22050 Hz, mono, 0 kb/s
> 
> Stream mapping:
> 
>   Stream #0.0 -> #0.0
> 
>   Stream #0.1 -> #0.1

> 
> Unsupported codec (id=73728) for input stream #0.1
> 


Try replace "-ab 32" with "-ab 32k", and, it seems missing amr decoder
in your system.


More information about the ffmpeg-user mailing list