blend_fields.c:17: warning: no previous prototype for `blend_fields_non_accel'
copy_frame.c:9: warning: no previous prototype for `copy_frame'
interleave.c:10: warning: no previous prototype for `interleave_fields'
main.c:343: warning: no previous prototype for `subsample_frame'
main.c:366: warning: no previous prototype for `search_forward_vector'
main.c:392: warning: no previous prototype for `search_backward_vector'
sinc_interpolation.c:10: warning: no previous prototype for `sinc_interpolation'
transform_block.c:8: warning: no previous prototype for `transform_block_Y'
transform_block.c:27: warning: no previous prototype for `transform_block_UV'
