The source project of this merge request has been removed.
vcdsrc: Remove unusable VCD source
The VCD source was ported in 2014 (commit 89eb1e9a), but the necessary "cdxaparse" plugin, which is used to "Parse a .dat file (VCD) into raw mpeg1" was never ported.
This means that the probable main user for the feature, totem, hasn't actually been able to play back VCDs, since 2012, when it switched to using GStreamer 1.0.
Note that even if cdxaparse was finally ported, a lot of work would still be necessary before it is considered usable. Notably, it is missing disc image support1 and some VCDs just cannot be opened for reading.