Adds SRCNN filter.

Signed-off-by: Pedro Arthur <bygrandao@gmail.com>

Changelog

@@ -60,6 +60,7 @@ version 4.0:
 - Haivision SRT protocol via libsrt
 - segafilm muxer
 - vfrdet filter
+- SRCNN filter
 
 
 version 3.4:

libavfilter/Makefile

@@ -331,6 +331,7 @@ OBJS-$(CONFIG_SMARTBLUR_FILTER)              += vf_smartblur.o
 OBJS-$(CONFIG_SOBEL_FILTER)                  += vf_convolution.o
 OBJS-$(CONFIG_SPLIT_FILTER)                  += split.o
 OBJS-$(CONFIG_SPP_FILTER)                    += vf_spp.o
+OBJS-$(CONFIG_SRCNN_FILTER)                  += vf_srcnn.o
 OBJS-$(CONFIG_SSIM_FILTER)                   += vf_ssim.o framesync.o
 OBJS-$(CONFIG_STEREO3D_FILTER)               += vf_stereo3d.o
 OBJS-$(CONFIG_STREAMSELECT_FILTER)           += f_streamselect.o framesync.o

libavfilter/allfilters.c

@@ -322,6 +322,7 @@ extern AVFilter ff_vf_smartblur;
 extern AVFilter ff_vf_sobel;
 extern AVFilter ff_vf_split;
 extern AVFilter ff_vf_spp;
+extern AVFilter ff_vf_srcnn;
 extern AVFilter ff_vf_ssim;
 extern AVFilter ff_vf_stereo3d;
 extern AVFilter ff_vf_streamselect;