lavfi: port tinterlace filter from MPlayer

Port MPlayer tinterlace filter from MPlayer, with some ideas taken
from the FFmbc/libavfilter port, with the following main differences:

* added support for full-scale YUVJ formats
* added support for YUVA420P
* request_frame() on the filter is forced to return a frame
* some code factorization (related to the copy_picture_fields() function)
* fixed black padding values for mode 3

1 files changed, 1 insertions, 0 deletions

diff --git a/configure b/configure
index d4fb20e756..6a19d602d7 100755
--- a/configure
+++ b/configure
@@ -1652,6 +1652,7 @@ mptestsrc_filter_deps="gpl"
 negate_filter_deps="lut_filter"
 ocv_filter_deps="libopencv"
 scale_filter_deps="swscale"
+tinterlace_filter_deps="gpl"
 yadif_filter_deps="gpl"
 
 # libraries