Dumping Options
 -std                 dumps to stdout instead of file
 -info [trackID]      prints movie info / track info if trackID specified
                       * Note: for non IsoMedia files, gets import options
 -bt                  scene to bt format - removes unknown MPEG4 nodes
 -xmt                 scene to XMT-A format - removes unknown MPEG4 nodes
 -wrl                 scene VRML format - removes unknown VRML nodes
 -x3d                 scene to X3D/XML format - removes unknown X3D nodes
 -x3dv                scene to X3D/VRML format - removes unknown X3D nodes
 -lsr                 scene to LASeR format
 -diso                scene IsoMedia file boxes in XML output
 -drtp                rtp hint samples structure to XML output
 -dts                 prints sample timing to text output
 -sdp                 dumps SDP description of hinted file
 -dcr                 ISMACryp samples structure to XML output
 -dump-cover          Extracts cover art
 -dump-chap           Extracts chapter file

 -ttxt                Converts input subtitle to GPAC TTXT format
 -ttxt TrackID        Dumps Text track to GPAC TTXT format
 -srt                 Converts input subtitle to SRT format
 -srt TrackID         Dumps Text track to SRT format

 -stat                generates node/field statistics for scene
 -stats               generates node/field statistics per MPEG-4 Access Unit
 -statx               generates node/field statistics for scene after each AU

 -hash                generates SHA-1 Hash of the input file

