[FFmpeg-devel] Notes about avdevice

Reimar Döffinger Reimar.Doeffinger at gmx.de
Sun Nov 25 12:52:43 CET 2012

On Sun, Nov 25, 2012 at 03:38:20AM -0500, Don Moir wrote:
> >Don Moir <donmoir <at> comcast.net> writes:
> >
> >>1) avdevice has dependencies on avfilter and swresample.
> >>I have no need for either of these and this is
> >>unfortunate. It doesn't appear that these dependencies
> >>can be turned off.
> >
> >Unreproducible.
> >
> >Carl Eugen
> If I try to use avdevice without avfilter-3.dll and swresample-0.dll
> in place it complains. This is possibly due to lavfi.c in avdevice.

The swresample dependency is because you have e.g. scale filter enabled
in avfilter.
The avfilter dependency is because you have the avfilter indev
Also the device lists do _not_ go to stdout, they go to av_log.
While hardly convenient, intercepting them certainly is feasible.

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