pub unsafe extern "C" fn avfilter_free(filter: *mut AVFilterContext)展开描述
Free a filter context. This will also remove the filter from its filtergraph’s list of filters.
@param filter the filter to free
pub unsafe extern "C" fn avfilter_free(filter: *mut AVFilterContext)Free a filter context. This will also remove the filter from its filtergraph’s list of filters.
@param filter the filter to free