It has been in mingw-runtime at least since version 2.4

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into a file which is compiled un-conditionally (utils.c).

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are not compiled in.

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ff_write_quant_matrix() won't be used when mpeg4 encoder is disabled.

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into mpegvideo_enc.c.

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Based on a patch by Matthieu Castet

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its origin) in it.

Originally committed as revision 23759 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

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Port some useful comments from newest version of David Hammerton's decoder (from which alac.c is based)

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This dependency was apparently accidentally lost while making
the vhook build process non-recursive.

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Originally committed as revision 23752 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

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