lavfi: add a QSV deinterlacing filter

Changelog

@@ -59,7 +59,7 @@ version <next>:
 - G.729 raw demuxer
 - MagicYUV decoder
 - Duck TrueMotion 2.0 Real Time decoder
-- Intel QSV video scaling filter
+- Intel QSV video scaling and deinterlacing filter
 - OpenH264 decoder wrapper
 
 

configure

@@ -2402,6 +2402,7 @@ blackframe_filter_deps="gpl"
 boxblur_filter_deps="gpl"
 bs2b_filter_deps="libbs2b"
 cropdetect_filter_deps="gpl"
+deinterlace_qsv_filter_deps="libmfx"
 delogo_filter_deps="gpl"
 drawtext_filter_deps="libfreetype"
 frei0r_filter_deps="frei0r dlopen"

libavfilter/Makefile

@@ -47,6 +47,7 @@ OBJS-$(CONFIG_BOXBLUR_FILTER)                += vf_boxblur.o
 OBJS-$(CONFIG_COPY_FILTER)                   += vf_copy.o
 OBJS-$(CONFIG_CROP_FILTER)                   += vf_crop.o
 OBJS-$(CONFIG_CROPDETECT_FILTER)             += vf_cropdetect.o
+OBJS-$(CONFIG_DEINTERLACE_QSV_FILTER)        += vf_deinterlace_qsv.o
 OBJS-$(CONFIG_DELOGO_FILTER)                 += vf_delogo.o
 OBJS-$(CONFIG_DRAWBOX_FILTER)                += vf_drawbox.o
 OBJS-$(CONFIG_DRAWTEXT_FILTER)               += vf_drawtext.o

libavfilter/allfilters.c

@@ -70,6 +70,7 @@ void avfilter_register_all(void)
     REGISTER_FILTER(COPY,           copy,           vf);
     REGISTER_FILTER(CROP,           crop,           vf);
     REGISTER_FILTER(CROPDETECT,     cropdetect,     vf);
+    REGISTER_FILTER(DEINTERLACE_QSV,deinterlace_qsv,vf);
     REGISTER_FILTER(DELOGO,         delogo,         vf);
     REGISTER_FILTER(DRAWBOX,        drawbox,        vf);
     REGISTER_FILTER(DRAWTEXT,       drawtext,       vf);

libavfilter/version.h

@@ -30,7 +30,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVFILTER_VERSION_MAJOR  6
-#define LIBAVFILTER_VERSION_MINOR  5
+#define LIBAVFILTER_VERSION_MINOR  6
 #define LIBAVFILTER_VERSION_MICRO  0
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \