[FFmpeg-user] Unknown encoder 'libvo_aacenc'

Paul B Mahol onemda at gmail.com
Mon Jun 3 23:12:23 CEST 2013


On 6/3/13, RITESH MEHANDIRATTA <riteshmehandiratta at gmail.com> wrote:
> i installed ffmpeg on my ubuntu 12.04 .using this link
> https://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide .i run the
> command
>
>
> ffmpeg -re -i "sample.mp4"  -vcodec libx264  -vb 150000 -g 60 -vprofile
> baseline -level 2.1 -acodec aac -ab 64000 -ar 48000 -ac 2 -vbsf
> h264_mp4toannexb -strict experimental -f rtp rtp://127.0.0.1:10000 -flags
> +global_header -c:a libvo-aacenc -vn -map 0:1 -f rtp rtp://127.0.0.1:10002
>>
> 10000.sdp
>
>
> i am getting response it as
>
>
>  built on Jun  3 2013 23:34:11 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
>   configuration: --extra-libs=-ldl --enable-gpl --enable-libass
> --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb
> --enable-libopencore-amrwb --enable-libspeex --enable-libtheora
> --enable-libvorbis --enable-libopus --enable-libvpx --enable-x11grab
> --enable-libfaac --enable-libx264 --enable-nonfree --enable-version3

You did not compiled with libvo_aacenc.
BTW there is much better aac encoder like libfdk-aacenc.

>   libavutil      52. 34.100 / 52. 34.100
>   libavcodec     55. 15.100 / 55. 15.100
>   libavformat    55.  8.102 / 55.  8.102
>   libavdevice    55.  2.100 / 55.  2.100
>   libavfilter     3. 74.101 /  3. 74.101
>   libswscale      2.  3.100 /  2.  3.100
>   libswresample   0. 17.102 /  0. 17.102
>   libpostproc    52.  3.100 / 52.  3.100
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sample.mp4':
>   Metadata:
>     major_brand     : qt
>     minor_version   : 512
>     compatible_brands: qt
>     creation_time   : 1970-01-01 00:00:00
>     encoder         : Lavf52.73.0
>   Duration: 00:09:56.46, start: 0.000000, bitrate: 524 kb/s
>     Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 /
> 0x31637661), yuv420p, 424x240, 420 kb/s, 24 fps, 24 tbr, 24 tbn, 48 tbc
>     Metadata:
>       creation_time   : 1970-01-01 00:00:00
>       handler_name    : DataHandler
>     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo,
> fltp, 99 kb/s
>     Metadata:
>       creation_time   : 1970-01-01 00:00:00
>       handler_name    : DataHandler
> Unknown encoder 'libvo-aacenc'
>
>
> how to get-rid of error Unknown encoder 'libvo-aacenc' please someone
> help!!
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> ffmpeg-user at ffmpeg.org
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