[mythtv-users] OT: FFMPEG conversion
Brent Norris
brent at brentnorris.net
Sat Jul 25 12:35:51 UTC 2009
James Oltman wrote:
> I get a similar error when I try to transcode a .mod file to mpeg4 avi
>
>
> [mpeg4 @ 0x2190180]timebase not supported by mpeg 4 standard
> Error while opening codec for output stream #0.0 - maybe incorrect
> parameters such as bit_rate, rate, width or height
>
> The command I found to do it from the internet was:
>
> ffmpeg -vcodec mpeg4 -s 720x576 -b 9600k -aspect 16:9 -acodec mp3
> -ab 192k -ar 48000 -i Playing.MOD Playing.avi
>
> I think I know what most of it means, but I don't know why it won't
> encode it for me. Can anyone help?
>
> Brent
>
>
> The whole command/error would be nice. I'm wondering if you have the
> right audio rate defined. Instead of '-ar 48000' try '-ar 44100'.
>
> Jim
Here it is:
[root at Diablo New Camera]# ffmpeg -vcodec mpeg4 -s 720x576 -b 9600k
-aspect 16:9 -acodec mp3
-ab 192k -ar 44100 -i Playing\ Match\ Game.MOD Playing\ Match\ Game.
avi
FFmpeg version 0.5-30.fc10, Copyright (c) 2000-2009 Fabrice Bellard, et al.
configuration: --prefix=/usr --libdir=/usr/lib64
--shlibdir=/usr/lib64 --mandi
r=/usr/share/man --enable-shared --enable-gpl --enable-postproc
--enable-swscale
--enable-avfilter --enable-avfilter-lavf --enable-pthreads
--enable-x11grab --e
nable-vdpau --disable-avisynth --disable-libamr-nb --disable-libamr-wb
--enable- libdc1394
--enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbi
n --enable-libgsm
--enable-libmp3lame --enable-libschroedinger --enable-libspeex
--enable-libtheora
--enable-libvorbis --enable-libx264 --enable-libxvid --extra
-cflags=-O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protecto
r --param=ssp-buffer-size=4 -m64
-mtune=generic -fPIC --disable-stripping --extr
a-cflags=-I/usr/include/nvidia-graphics
--extra-ldflags=-L/usr/lib64/nvidia-grap
hics
libavutil 49.15. 0 / 49.15. 0
libavcodec 52.20. 0 / 52.20. 0
libavformat 52.31. 0 / 52.31. 0
libavdevice 52. 1. 0 / 52. 1. 0
libavfilter 0. 4. 0 / 0. 4. 0
libswscale 0. 7. 1 / 0. 7. 1
libpostproc 51. 2. 0 / 51. 2. 0
built on Mar 15 2009 13:30:30, gcc: 4.3.2 20081105 (Red Hat 4.3.2-7)
[mpeg4 @ 0x2684680]header damaged
Seems stream 0 codec frame rate differs from container frame rate: inf
(1/0) -> 90000.00 (90000/1)
Input #0, mpeg, from 'Playing Match Game.MOD':
Duration: 00:10:11.51, start: 0.287489, bitrate: 5996 kb/s
Stream #0.0[0x1e0]: Video: mpeg4, yuv420p, 90k tbr, 90k tbn
Stream #0.1[0x80]: Audio: mp3, 0 channels, s16
File 'Playing Match Game.avi' already exists. Overwrite ? [y/N] y
Output #0, avi, to 'Playing Match Game.avi':
Stream #0.0: Video: mpeg4, yuv420p, q=2-31, 9600 kb/s, 90k tbn, 90k tbc
Stream #0.1: Audio: mp2, 0 channels, s16, 192 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
[mpeg4 @ 0x2669180]timebase not supported by mpeg 4 standard
Error while opening codec for output stream #0.0 - maybe incorrect
parameters su ch as
bit_rate, rate, width or height
[root at Diablo New Camera]#
That is with the 44100 change.
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