{"categories":[],"packages":[],"usage":[{"description":"Enable matroska support using reference libraries (fallback on other existing matroska support if disabled, i.e., matroska enabled FFmpeg)","isdefault":false,"packageid":42652,"use":"matroska"},{"description":"Add support for the matroska container format (extensions .mkv, .mka and .mks)","isdefault":false,"use":"matroska"}],"use":{"description":"Add support for the matroska container format (extensions .mkv, .mka and .mks)","isdefault":false,"use":"matroska"}}