lavfi/frei0r: search plugins in lib64 dirs on all architectures

As Reimar Döffinger pointed out there are non-x86 64bit architectures as well.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Marton Balint <cus@passwd.hu>
lavfi/frei0r: factorize plugin loading with static path

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Marton Balint <cus@passwd.hu>
Give IDCT matrix transpose macro a more descriptive name

This also avoids a macro name clash and related warning on ARM.
x86/imdct36: use sse3 instructions in the last BUTTERF step when possible

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
lavf/libssh: fix seek to nagative position

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
lavf/ftp: fix seek to nagative position

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  Give IDCT matrix transpose macro a more descriptive name

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'lukaszmluki/master'

* lukaszmluki/master:
  lavf/ftp: fix seek to nagative position
  lavf/libssh: fix seek to nagative position

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'cus/stable'

* cus/stable:
  lavfi/frei0r: factorize plugin loading with static path
  lavfi/frei0r: search plugins in lib64 dirs on all architectures

Merged-by: Michael Niedermayer <michaelni@gmx.at>