set-globals, media_dir="$(test_dir)/../../../medias/"
meta,
    args = {
         "filesrc location=$(media_dir)/defaults/matroska/h264_srt.mkv ! matroskademux name=demux ! h264parse ! queue max-size-bytes=0 max-size-buffers=0 max-size-time=1000000000 ! avdec_h264 ! videoconvert ! subtitleoverlay name=overlay ! fakevideosink name=sink   demux. ! queue max-size-bytes=0 max-size-buffers=0 max-size-time=1000000000 ! overlay.subtitle_sink ",
    },
    configs = {
       "$(validateflow), pad=sink:sink, record-buffers=true",
    }