[FFmpeg-devel] [PATCH] pixdesc: Add av_get_pix_fmt_descriptor()

[Tomas Härdin]

Hi

While poking around with MinGW compiled lav* DLLs in MSVC I noticed
link.exe can't resolve references to av_pix_fmt_descriptors. This is due
to how import libraries work, but I'm not an expert. The important thing
is that only functions get exported properly - globals don't.

To fix this I propose the lavu API be extended with a function called
av_get_pix_fmt_descriptor which returns a pointer to an
AVPixFmtDescriptor for a specified format.

There are probably more globals that have this problem, but some quick
greping didn't yield many results.

Patch attached. Minor version bump included.

(I assume av_pix_fmt_descriptors is meant to be user accessible since
ffplay uses it and certain information contained within can't be
accessed any other way)

/Tomas
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