The VideoLAN Forums

Posted: **30 Sep 2009 12:33**

Hi, guys!

I'm trying to compile vlc with ffmpeg, but so far i didn't have any luck.

I'm getting the following error:

[0x9fdf330] avcodec encoder error: cannot open encoder
[0x9fdf330] main encoder error: Streaming / Transcoding failed
[0x9fdf330] main encoder error: VLC could not open the encoder.
[0x9fdf330] main encoder warning: no encoder module matching "ffmpeg" could be loaded
[0x9fdf330] main encoder debug: TIMER module_need() : 3.924 ms - Total 3.924 ms / 1 intvls (Avg 3.924 ms)
[0x9fd8a18] stream_out_transcode stream out error: cannot find video encoder (module:ffmpeg fourcc:mp2v)
[0x9fd9738] main decoder debug: removing module "rawvideo"
[0x9fd8a18] stream_out_transcode stream out error: cannot create video chain
[0x9fd73d8] stream_out_duplicate stream out debug:     - failed for output 0
[0x9fd8bc8] main packetizer error: cannot create packetizer output (RV24)

Here's my info about ffmpeg and vlc :

Code: Select all

ffmpeg -version
FFmpeg version SVN-r20091, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  built on Sep 30 2009 05:39:20 with gcc 4.3.2
  configuration: --enable-shared --disable-static
  libavutil     50. 3. 0 / 50. 3. 0
  libavcodec    52.36. 0 / 52.36. 0
  libavformat   52.39. 0 / 52.39. 0
  libavdevice   52. 2. 0 / 52. 2. 0
  libswscale     0. 7. 1 /  0. 7. 1
FFmpeg SVN-r20091
libavutil     50. 3. 0 / 50. 3. 0
libavcodec    52.36. 0 / 52.36. 0
libavformat   52.39. 0 / 52.39. 0
libavdevice   52. 2. 0 / 52. 2. 0
libswscale     0. 7. 1 /  0. 7. 1

Code: Select all

libvlc was configured with ./configure  '--enable-v4l' '--disable-nls' '--disable-mozilla' '--disable-a52' '--disable-glx' '--disable-qt4' '--disable-skins2' '--disable-remoteosd' '--enable-run-as-root' 'PKG_CONFIG_PATH=/usr/local/lib/pkgconfig'

Code: Select all

vlc -l | grep mpeg
VLC media player 1.0.2 Goldeneye
LibVLC has detected an unusable buggy GNU/libc version.
Please update to version 2.8 or newer.
  avcodec               FFmpeg audio/video decoder
  avcodec               FFmpeg deinterlace video filter
  avcodec               FFmpeg audio/video encoder
  mpeg_audio            MPEG audio layer I/II/III decoder
  mpeg_audio            MPEG audio layer I/II/III packetizer
  avformat              FFmpeg demuxer
  avformat              FFmpeg muxer
  packetizer_mpeg4video MPEG4 video packetizer
  packetizer_mpegvideo  MPEG-I/II video packetizer
  packetizer_mpeg4audio MPEG4 audio packetizer

Seems everything is okay, but I keep getting this error and I don't know what to do

Could you help me with this ?

Thanks!

Posted: **30 Sep 2009 16:18**

Did you compile FFmpeg yourself ? if yes did you do "make install" ? If no, are you sure vlc configure and vlc at runtime pick that version of FFmpeg ?
does ffmpeg -formats list mp2v for encoding ?

The debugs line before "cannot open encoder" could be interesting.

Also note for your commandline (that you don't provide btw) that the module is now called avcodec and not ffmpeg

Posted: **30 Sep 2009 17:26**

It sounds like you are using a version of libavcodec that has been stripped of mpeg2 encoding support...

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