ff_getSwsFunc     863 libswscale/swscale_internal.h SwsFunc ff_getSwsFunc(SwsContext *c);
ff_getSwsFunc    1839 libswscale/utils.c     c->swscale = ff_getSwsFunc(c);
ff_getSwsFunc     113 tests/checkasm/sw_scale.c             ff_getSwsFunc(ctx);