[FFmpeg-user] trouble with version 0.8: aac-related error messages

pgoldweic pgoldweic at northwestern.edu
Sun Jul 3 15:49:09 CEST 2011


I recenty recompiled ffmpeg to use the 0.8 release source code. When I type
in the following command:
- ffmpeg -i video.mp4 -sameq -video.mpg
ffmpeg seems to work at first, then spits out the following error message
lots of times:
--------------------------------------------------
Error while decoding stream #0.1
[aac @ 0x1cd2e580] SSR not implemented. Update your FFmpeg version to the
newest one from Git. If the problem still occurs, it means that your file
has a feature which has not been implemented.
[aac @ 0x1cd2e580] If you want to help, upload a sample of this file to
ftp://upload.ffmpeg.org/MPlayer/incoming/ and contact the ffmpeg-devel
mailing list.
---------------------------------------------------

The apparently continues, and eventually completes with the following
output:
------------------------------------------------------------------------------
...
Error while decoding stream #0.1
[aac @ 0x1cd2e580] SSR not implemented. Update your FFmpeg version to the
newest one from Git. If the problem still occurs, it means that your file
has a feature which has not been implemented.
[aac @ 0x1cd2e580] If you want to help, upload a sample of this file to
ftp://upload.ffmpeg.org/MPlayer/incoming/ and contact the ffmpeg-devel
mailing list.
Error while decoding stream #0.1

[mpeg1video @ 0x1cd28e00] warning, clipping 1 dct coefficients to
-255..255its/s    
    Last message repeated 29 times44990kB time=00:02:55.56
bitrate=2099.2kbits/s    
frame= 5341 fps=235 q=0.0 Lsize=   45242kB time=00:02:55.62
bitrate=2110.4kbits/s    
video:43599kB audio:1372kB global headers:0kB muxing overhead 0.601750%
-------------------------------------------------------------------------------

When I run the (ffmpeg -i ) command to get information about the input
stream, I get the following:

---------------------------------------------------------------
ffmpeg version 0.8, Copyright (c) 2000-2011 the FFmpeg developers
  built on Jun 27 2011 17:30:33 with gcc 4.1.2 20080704 (Red Hat 4.1.2-50)
  configuration: --enable-libvpx --enable-libfaac --enable-shared
--enable-memalign-hack --enable-gpl --enable-libtheora --enable-libmp3lame
--enable-libvorbis --enable-libx264 --enable-libxvid --enable-nonfree
--enable-postproc --enable-avfilter --enable-swscale --enable-pthreads
--enable-libfreetype --arch=x86_64
  libavutil    51.  9. 1 / 51.  9. 1
  libavcodec   53.  7. 0 / 53.  7. 0
  libavformat  53.  4. 0 / 53.  4. 0
  libavdevice  53.  1. 1 / 53.  1. 1
  libavfilter   2. 23. 0 /  2. 23. 0
  libswscale    2.  0. 0 /  2.  0. 0
  libpostproc  51.  2. 0 / 51.  2. 0

Seems stream 0 codec frame rate differs from container frame rate: 2997.00
(2997/1) -> 29.97 (2997/100)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: mp41
    creation_time   : 2010-05-07 15:50:18
  Duration: 00:02:58.21, start: 0.000000, bitrate: 1312 kb/s
    Stream #0.0(und): Video: mpeg4, yuv420p, 640x480 [PAR 1:1 DAR 4:3], 1199
kb/s, 29.97 fps, 29.97 tbr, 2997 tbn, 2997 tbc
    Metadata:
      creation_time   : 2010-05-07 15:51:20
    Stream #0.1(und): Audio: aac, 44100 Hz, stereo, s16, 108 kb/s
    Metadata:
      creation_time   : 2010-05-07 15:51:20
At least one output file must be specified
---------------------------------------------------------------

Can you tell what is wrong with my ffmpeg install? How do I resolve it? (I
was not getting these type of errors before recompiling the ffmpeg source a
week ago. )
Thanks in advance for any help you can provide.

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