[FFmpeg-user] Unknown encoder 'libx264'

blacky94 blackmental09 at yahoo.de
Sat Sep 1 03:27:30 CEST 2012


Hi,

I have a problem with ffmpeg, always when i try to encode a video with this
line: 
ffmpeg -i "mov.mkv" -an -b 700k -r 25 -vcodec libx264 "output.mp4"
on my vserver (debian 6.0), the error message Unknown encoder 'libx264'
appears. 
I used this tutorial to install ffmpeg
http://www.zoharbabin.com/build-and-install-ffmpeg-and-x264-on-debian-squeeze-the-dumb-guide.

Here is the full output of the console:

~/mov# ffmpeg -i "mov.mkv" -an -b 700k -r 25 -vcodec libx264 "output.mp4"
ffmpeg version git-2012-08-31-dfb4757 Copyright (c) 2000-2012 the FFmpeg
developers
  built on Aug 31 2012 23:32:29 with gcc 4.4.5 (Debian 4.4.5-8)
  configuration: --enable-shared
  libavutil      51. 70.100 / 51. 70.100
  libavcodec     54. 55.100 / 54. 55.100
  libavformat    54. 25.104 / 54. 25.104
  libavdevice    54.  2.100 / 54.  2.100
  libavfilter     3. 15.101 /  3. 15.101
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
Input #0, matroska,webm, from 'mov.mkv':
  Metadata:
    creation_time   : 2012-08-31 18:53:58
  Duration: 00:24:05.24, start: 0.000000, bitrate: 1865 kb/s
    Chapter #0.0: start 0.333000, end 53.136000
    Metadata:
      title           : Intro
    Chapter #0.1: start 53.136000, end 143.143000
    Metadata:
      title           : OP
    Chapter #0.2: start 143.143000, end 643.101000
    Metadata:
      title           : Part A
    Chapter #0.3: start 643.101000, end 1355.145000
    Metadata:
      title           : Part B
    Chapter #0.4: start 1355.145000, end 1445.247000
    Metadata:
      title           : ED
    Stream #0:0(eng): Video: h264 (High 10), yuv420p10le, 1024x576, SAR 1:1
DAR 16:9, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Stream #0:1: Audio: aac, 48000 Hz, stereo, s16 (default)
    Stream #0:2: Subtitle: ssa (default)
Codec 0x18000 is not in the full list.
    Stream #0:3: Attachment: unknown_codec
    Metadata:
      filename        : Baskerville_Old_Face.ttf
      mimetype        : application/x-truetype-font
Codec 0x18000 is not in the full list.
    Stream #0:4: Attachment: unknown_codec
    Metadata:
      filename        : karet.ttf
      mimetype        : application/x-truetype-font
Codec 0x18000 is not in the full list.
    Stream #0:5: Attachment: unknown_codec
    Metadata:
      filename        : LTFinnegan_Medium.ttf
      mimetype        : application/x-truetype-font
Codec 0x18000 is not in the full list.
    Stream #0:6: Attachment: unknown_codec
    Metadata:
      filename        : LTFinnegan_MediumItalic.ttf
      mimetype        : application/x-truetype-font
Codec 0x18000 is not in the full list.
    Stream #0:7: Attachment: unknown_codec
    Metadata:
      filename        : arabtype.ttf
      mimetype        : application/x-truetype-font
Please use -b:a or -b:v, -b is ambiguous
Unknown encoder 'libx264'



I hope you can help me.




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