FFmpeg and qt, Unable to find a suitable output format for '>'

Posted by Spredzy on Stack Overflow See other posts from Stack Overflow or by Spredzy
Published on 2010-04-29T12:48:46Z Indexed on 2010/04/29 12:57 UTC
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Hi all,

I'm trying to execute a ffmpeg operation through Qt

I would like to execute this line :

./ffmpeg -t 10 -i temp1 -f mpeg  -  >  temp2

When I execute through the terminal, it works perfectly fine.

How ever when I launch it through Qt like this :

 QProcess    *process = new QProcess();

 QString parameters("./ffmpeg -t 10 -i temp1 -f mpeg  - >  temp2");
 std::cout << process->execute(parameters) << std::endl;

I get an Unable to find a suitable output format for '>' any body has the idea of why ?

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