message: videoio: add non zero check
diff: @@ -527,6 +527,7 @@ bool GStreamerCapture::grabAudioFrame()
  CV_Error(Error::StsError, "GStreamer: gst_audio_info_from_caps() is failed. Can't handle unknown layout");
  }
  int bpf = GST_AUDIO_INFO_BPF(&info);
  + CV_CheckGT(bpf, 0, "");
  GstStructure* structure = gst_caps_get_structure(frame_caps, 0); // no lifetime transfer
  if (!structure)
  