# --- VideoInput/DirectShow --- if(NOT HAVE_DSHOW AND MSVC AND NOT MSVC_VERSION LESS 1500) set(HAVE_DSHOW TRUE) endif() if(NOT HAVE_DSHOW) check_include_file(dshow.h HAVE_DSHOW) endif() if(HAVE_DSHOW) ocv_add_external_target(dshow "" "" "HAVE_DSHOW") endif()