Add libmpeg3 support to various packages
| Package | Local Description (use.local.desc) | Metadata Description (metadata.xml) |
|---|---|---|
| media-plugins/gst-plugins-meta | - | - |
| media-video/sonic-snap | - | - |
| media-video/vlc | Add libmpeg2 support for mpeg-1 and mpeg-2 video streams | Add libmpeg2 support for mpeg-1 and mpeg-2 video streams |