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

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

Enabled compilation with compiler without inline asm support.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

No speed difference.

Fixes ffmpeg -h filter=xbr

See 57688aec

The log is good enough for tracking those changes.

Hyllian's message : "Hi, Put lgpl on this and use it as you wish. It's free!"
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

4775 decicycles -> 3688 decicycles
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Based-on: 2e170405 by Kieran Kunhya
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/tinterlace: Move lowpass_line to a separate function and call it through a function pointer

This permits replacing it by a optimized implementation
Based-on / Idea-from: 2e170405 by Kieran Kunhya
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/tinterlace: split context definition into seperate header so it can be used by future optimizations

Idea from 2e170405 from Kieran Kunhya
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

See http://www.itu.int/rec/R-REC-BT.709
Item 1.2, overall opto-electronic transfer characteristics at source
Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Aleksey Vasenev <margtu-fivt@ya.ru>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Aleksey Vasenev <margtu-fivt@ya.ru>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>