swscale: Split C input functions into separate file.

Signed-off-by: Diego Biurrun <diego@biurrun.de>

libswscale/Makefile

@@ -3,8 +3,8 @@ FFLIBS = avutil
 
 HEADERS = swscale.h
 
-OBJS = options.o rgb2rgb.o swscale.o utils.o yuv2rgb.o \
-       swscale_unscaled.o
+OBJS = input.o options.o rgb2rgb.o swscale.o utils.o \
+       swscale_unscaled.o yuv2rgb.o
 
 OBJS-$(ARCH_BFIN)          +=  bfin/internal_bfin.o     \
                                bfin/swscale_bfin.o      \

libswscale/swscale_internal.h

@@ -649,6 +649,7 @@ void ff_swscale_get_unscaled_altivec(SwsContext *c);
  */
 SwsFunc ff_getSwsFunc(SwsContext *c);
 
+void ff_sws_init_input_funcs(SwsContext *c);
 void ff_sws_init_swScale_altivec(SwsContext *c);
 void ff_sws_init_swScale_mmx(SwsContext *c);