Mailinglist Archive: opensuse-factory (249 mails)

[Cecil Westerhof <Cecil@xxxxxxxxxx>]

Cecil Westerhof <Cecil@xxxxxxxxxx> writes:

> I installed ffmpeg. When I try to convert a video file with something
> like:
>     ffmpeg -i input.mov -f avi -vcodec mpeg4 -b 400k -g 150 -bf 2 -acodec 
> libmp3lame -ab 64k output.avi
>
> I get for input:
>     Stream #0.1(eng): Audio: pcm_u8, 7875 Hz, 1 channels, u8, 63 kb/s
> and for output:
>     Stream #0.1(eng): Audio: libmp3lame, 7875 Hz, 1 channels, s16, 64 kb/s
>
> But I also get the following error:
>     Error while opening encoder for output stream #0.1 - maybe incorrect 
> parameters such as bit_rate, rate, width or height
>
> What is happening here?

I found the problem. The documentation on the ffmpeg site is not
correct. You need also to use an -ar value. When doing this it works.
The only problem is that it plays perfectly under Linux, but there is no
(or not always) sound under Windows. So I'll keep using -acodec copy.
:-{

And excuses for posting in the wrong group.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof
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