DECLARE_RELEASE 27 libavdevice/dshow_enummediatypes.c DECLARE_RELEASE(libAVEnumMediaTypes) DECLARE_RELEASE 27 libavdevice/dshow_enumpins.c DECLARE_RELEASE(libAVEnumPins) DECLARE_RELEASE 27 libavdevice/dshow_filter.c DECLARE_RELEASE(libAVFilter) DECLARE_RELEASE 30 libavdevice/dshow_pin.c DECLARE_RELEASE(libAVPin)