av_spherical_alloc 2235 libavformat/matroskadec.c     spherical = av_spherical_alloc(&spherical_size);
av_spherical_alloc 5666 libavformat/mov.c     sc->spherical = av_spherical_alloc(&sc->spherical_size);
av_spherical_alloc 5709 libavformat/mov.c         sc->spherical = av_spherical_alloc(&sc->spherical_size);
av_spherical_alloc  191 libavutil/spherical.h AVSphericalMapping *av_spherical_alloc(size_t *size);