swscale: split C output functions into separate file.

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

libswscale/Makefile

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

libswscale/swscale_internal.h

@@ -650,6 +650,13 @@ 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_output_funcs(SwsContext *c,
+                              yuv2planar1_fn *yuv2plane1,
+                              yuv2planarX_fn *yuv2planeX,
+                              yuv2interleavedX_fn *yuv2nv12cX,
+                              yuv2packed1_fn *yuv2packed1,
+                              yuv2packed2_fn *yuv2packed2,
+                              yuv2packedX_fn *yuv2packedX);
 void ff_sws_init_swScale_altivec(SwsContext *c);
 void ff_sws_init_swScale_mmx(SwsContext *c);