Original commit message from CVS: * gst/mpegtsparse/Makefile.am: * gst/mpegtsparse/gstmpegdesc.c: * gst/mpegtsparse/gstmpegdesc.h: * gst/mpegtsparse/mpegtspacketizer.c: * gst/mpegtsparse/mpegtsparse.c: Added descriptor searching infrastructure from Fluendo TS demuxer. Add channel name and provider to the sdt structure sent in the bus message.