[FFmpeg-devel] dshow: patches for adding some debug output, using more standardized codec table for lookup

[Roger Pack]

Here some dshow patches.  The third patch allows for debug messages
when enumerating the pins while actually using them, like

$ ffmpeg -f dshow -i video=XXX

with -loglevel debug, will show you which pins it actually uses, etc.
which could be helpful for debugging connection problems with
different devices.

Thanks.
-roger-
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