[vlc] Re: Problems with vlc on iPAQ with Mpeg4

[Jean-Paul Saman]

Ralf Bruenig wrote:
> Hello all,
> 
> I got some problems with opie-vlc_0.6.0_arm.ipk
> together with Mpeg4.
> 
> First I tried everything on my Desktop Linux PC with vlc v0.6:
> 
> vlc movie.mp4
> vlc movie.mp4 --sout file/ts://movie_mpeg4.ts
> vlc movie_mpeg4.ts
> 
> And there were no trouble at all.
> But when I started it on my iPAQ I got the following problems:
> 
> vlc movie.mp4      # pictures are OK, but no sound
> vlc movie_mpeg4.ts # no pictures, no sound
> 
> I used the same movie-files. Therefore I have the following
> questions:
> 
> Is the iPAQ version not a full implementation of vlc?

There is currently no ogg/vorbis support and some other codecs. They 
will be added in the near future though. What is available can be 
checked on http://www.videolan.org/vlc/features.html

> &
> What can I do to realize mpeg-4 streaming on my iPAQ?

Pray ;-)

Mpeg4 decoding needs a lot of CPU and is hardly feasible on iPaq without 
some accelleration and agressively downscaling of the stream. In the 
case of streaming from the iPaq I'm not sure. It will depend on how much 
CPU performance is needed. Encoding of Mpeg4 from v4l device is not 
possible, but transcoding might be feasible (if bitrate and picture size 
is small).

-- 
Kind greetings,

Jean-Paul Saman



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