Add special case for 2nd-order IIR filter.
authorJustin Ruggles <justin.ruggles@gmail.com>
Thu, 27 Jan 2011 23:58:27 +0000 (23:58 +0000)
committerMichael Niedermayer <michaelni@gmx.at>
Fri, 28 Jan 2011 02:15:35 +0000 (03:15 +0100)
commit0ca4fcc94c28a0a637c8df7f5ff1fd51ab2ebb4f
treeaafabde92be0ee8dc3fcaf57ef385b109871ac82
parent1d20121b2e32aa01692ed79997e9423d8856422b
Add special case for 2nd-order IIR filter.

40% faster in ff_iir_filter_flt() when c->order == 2.
(cherry picked from commit 37cb3eb53449ccefbbe8ea7dc5e66f9036aafe6e)
libavcodec/iirfilter.c