VLC_EXPORT(void, vout_SetDisplayAspect, (vout_display_t *, unsigned sar_num, unsigned sar_den));
VLC_EXPORT(void, vout_SetDisplayCrop, (vout_display_t *, unsigned crop_num, unsigned crop_den, unsigned x, unsigned y, unsigned width, unsigned height));
VLC_EXPORT(vout_opengl_t *, vout_GetDisplayOpengl, (vout_display_t *));
VLC_EXPORT(void, vout_SetDisplayAspect, (vout_display_t *, unsigned sar_num, unsigned sar_den));
VLC_EXPORT(void, vout_SetDisplayCrop, (vout_display_t *, unsigned crop_num, unsigned crop_den, unsigned x, unsigned y, unsigned width, unsigned height));
VLC_EXPORT(vout_opengl_t *, vout_GetDisplayOpengl, (vout_display_t *));