The ff_inverse table is used by FASTDIV macro, defined in libavutil, but up
to now the table was defined only in libavcodec.

After this change, the main copy of ff_inverse is part of libavutil (just
like FASTDIV), but if CONFIG_SMALL is unset, then a different copy is made
available to libavcodec, to avoid the performance penalty of using an
external look up table.

Dynamic linking works, because the libraries are linked with -Bsymbolic, so
the local copy of the symbol has priority over the external; static linking
works because the table is on a standalone object file in both libraries,
so the linker is able to discard one of the two.

Tested on Linux/x86-64 and Mac OS X/x86-64.

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API public.

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Keep an old ff_ named function for binary compatibility until the
next major bump.

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libavutil/error.h.

Error code definitions and handling code belong to libavutil, where
they can be shared by all the libav* libraries.

See the thread:
Subject: [FFmpeg-devel] [PATCH] Move error codes definitions from lavc to lavu
Date: Sun, 19 Jul 2009 12:09:16 +0200

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Some of the per-arch headers are only meant to be used through
the parent header of the same name.  Testing these standalone
does not make sense.

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This file contains a safe subset of the config.h settings.
Only bigendian is included for now, more can be added as
need arises.

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and leave av_sha1_* functions for compatibility until next major bump.

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in libavutil when this function is available.

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This is robust against renames and also removes test programs not
(yet) hooked up in the main Makefiles.

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'test' target and a directory named tests exists.

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We provide better PRNGs.

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dedicated file pixfmt.h.

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See the thread:
"[PATCH] remove unused and broken test program in libavutil/base64.c".

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Patch from Diego Pettenò flameeyesATgmailDOTcom

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* the mem.h functions are part of the public API
* common.h includes mem.h and common.h is installed

Originally committed as revision 8345 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 8158 to svn://svn.ffmpeg.org/ffmpeg/trunk