Mythcommflag is the internal process used by the front end to flag commercials in MythTV recordings. There are various options that can be set on how commercials are detected. See the front end configuration manual for details.
$ mythcommflag --help Valid Options are: -c OR --chanid chanid Flag recording with given channel ID -s OR --starttime starttime Flag recording with given starttime -f OR --file filename Flag recording with specific filename --video filename Rebuild the seektable for a video (non-recording) file --sleep Give up some CPU time after processing each frame --rebuild Do not flag commercials, just rebuild seektable --gencutlist Copy the commercial skip list to the cutlist --clearcutlist Clear the cutlist --setcutlist CUTLIST Set a new cutlist. CUTLIST is of the form: #-#[,#-#]... (ie, 1-100,1520-3012,4091-5094 --getcutlist Display the current cutlist -v or --verbose debug-level Use '-v help' for level info --queue Insert flagging job into the JobQueue rather than running flagging in the foreground --quiet Turn OFF display (also causes the program to sleep a little every frame so it doesn't hog CPU) takes precedence over --blanks if given first) --blanks Show list of blank frames if already in database (takes precedence over --quiet if given first) --all Re-run commercial flagging for all recorded programs using current detection method. --allstart YYYYMMDDHHMMSS when using --all, only flag programs starting after the 'allstart' date (default = Jan 1, 1970). --allend YYYYMMDDHHMMSS when using --all, only flag programs ending before the 'allend' date (default is now). --force Force flagging of a video even if mythcommflag thinks it is already in use by another instance. --hogcpu Do not nice the flagging process. WARNING: This will consume all free CPU time. -h OR --help This text Note: both --chanid and --starttime must be used together if either is used. If no command line arguments are specified, all unflagged videos will be flagged.
Choosing a Recording
Two methods are available to choose which recording to work on. The first is to specify the channelid and start time,
-c 1067 -s 20060424183000
Note the start time format is in YYYYMMDDHHMMSS.
The other method is to specify the file,
Many times the seektable may be bad, or you may do some editing of a recording outside of Myth. In order for Myth to properly FF, RW and seek it needs to have an up to date seektable. Running with the
option will tell mythcommflag to just rebuild the seektable to fix these issues. Note that any cutlist you have will no longer be properly synced and should be recreated.