[Ffmpeg-devel] ffmpeg stderr output

[Michel Bardiaux]

Engin Kurutepe wrote:
> Dear All,
> 
> This is probably a very silly question but couldn't find anything 
> through google.
> 
> I'm using avcodec_decode_video() under win xp. it fails and returns -1 
> but doesn't spit out what the error was to stderr. Any ideas what might 
> be wrong with av_log()?

Maybe there is simply no av_log at that place in the source.

What happens if you use ffmpeg.exe itself on the input file?

> 
> how is the verbosity level set for the ffmpeg library? is that something 
> that should be done during compile-time or is it possible to change it 
> through the api?

Change global variable av_log_level

Greetings,
-- 
Michel Bardiaux
R&D Director
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