[FFmpeg-devel] AVFrame.dct_coeff is null...

Julien Cayzac julien.cayzac
Thu Jun 12 14:43:45 CEST 2008

On Thu, Jun 12, 2008 at 2:38 PM, Julien Cayzac <julien.cayzac at gmail.com>

> Hi everyone,
> I would like to get the DCT coefficients from a decoded MPEG stream for
> filtering motion vectors out based on the AC coefficient (for estimating the
> camera motion based on a video).
> Problem is: dct_coeff is always NULL :-(

Nevermind, I have found the problem.
I have now set "debug" to FF_DEBUG_DCT_COEFF in my codec context and
everything works fine...

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