[FFmpeg-user] Error: [AVFilterGraph @ 0xabe1cc0] No such filter: 'ass'

jun jun.saturay at gmail.com
Tue Jan 12 00:49:38 CET 2016


Hi Moritz

libass-dev is installed

here is the complete console output

$ ffmpeg -i Martsa\ ng\ Pagkakaisa.mkv -vf
"ass=Martsa_ng_Pagkakaisa_EN.ass" Martsa_ng_Pagkakaisa_EN.mkv
ffmpeg version 2.8.4 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
  configuration:
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
Input #0, matroska,webm, from 'Martsa ng Pagkakaisa.mkv':
  Metadata:
    ENCODER         : Lavf56.40.101
  Duration: 00:02:41.01, start: 0.000000, bitrate: 417 kb/s
    Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p, 2000x1142 [SAR 1:1
DAR 1000:571], 1 fps, 1 tbr, 1k tbn, 1 tbc (default)
    Metadata:
      ENCODER         : Lavc56.60.100 mpeg4
      DURATION        : 00:02:41.006000000
    Stream #0:1: Audio: ac3, 44100 Hz, stereo, fltp, 192 kb/s (default)
    Metadata:
      ENCODER         : Lavc56.60.100 ac3
      DURATION        : 00:02:39.243000000
File 'Martsa_ng_Pagkakaisa_EN.mkv' already exists. Overwrite ? [y/N] y
[AVFilterGraph @ 0xa454640] No such filter: 'ass'
Error opening filters!


On Tue, Jan 12, 2016 at 12:13 AM, Moritz Barsnick [via FFmpeg-users] <
ml-node+s933282n4674020h38 at n4.nabble.com> wrote:

> On Mon, Jan 11, 2016 at 14:37:38 -0800, jun wrote:
> > Thanks  for the advice. I uninstalled ffmpeg and then reinstalled ffmpeg
> > following the instructions on
> > https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu  so that i can
> "configure
> > FFmpeg   with --enable-libass."  as you advised.  Unfortunately, I still
> > get the same message.
> >
> > [AVFilterGraph @ 0xa454640] No such filter: 'ass'
> > Error opening filters!
>
> Complete, uncut console output please.
>
> > I can't figure out what changed during my reinstall of ubuntustudio and
> > ffmpeg that caused this problem.
>
> Did you install libass-dev?
>
> Moritz
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