[FFmpeg-devel] [PATCH] configure libvpx check version of decoder only

Frank Barchard fbarchard
Wed Aug 4 04:38:56 CEST 2010

On Sat, Jul 31, 2010 at 9:21 AM, Ronald S. Bultje <rsbultje at gmail.com>wrote:

> What you should do:
> (A-B of above remain in place)
> C) if fflibvpxdec is enabled, check for decoder symbols.
> D) if fflibvpxenc is enabled, check for encoder symbols.
> E) you could arguably say that if someone has encoder-only or
> decoder-only libvpx installed, he would want only that one enabled in
> ffmpeg. Therefore, Die if C AND D fail. If C OR D fail, disable the
> failing fflibvpxenc/dec wrapper.

If you enable only the encoder or decoder, just those symbols are checked.
By default both are checked and will die if you have a decode only or encode
only library.
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