pub unsafe fn avfilter_link(
_src: *mut AVFilterContext,
_srcpad: c_uint,
_dst: *mut AVFilterContext,
_dstpad: c_uint,
) -> c_intpub unsafe fn avfilter_link(
_src: *mut AVFilterContext,
_srcpad: c_uint,
_dst: *mut AVFilterContext,
_dstpad: c_uint,
) -> c_int