mpegcat version (return code: 0)
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mpegcat --help (return code: 1)
Usage: mpegcat [options ...] MPEG2-PS ...
Processing Toggles
-V/--enter-video Process video packets (forced by -t option)
General Display Toggles
-p/--pack Toggle Pack packet start display
-v/--video Toggle video ES packet start display
-a/--audio Toggle audio ES packet start display
-o/--other Toggle other stream display (only show video & audio)
-y/--system Toggle system header display
-e/--errors Toggle packet errors
-i/--invert Invert all display toggles
Video Display Toggles
-s/--slices Toggle slice starts (default off)
-q/--sequence Toggle sequence header display
-g/--GOPs Toggle GOP header display
-f/--frames Toggle Picture header display
Short Cuts
-F/--just-frames Show only video frames (same as '-Vepvaoyq')
File Offset Options
-b/--begin=NUM Start reading at offset NUM
-n/--num=NUM Stop after reading NUM bytes
-t/--scan-stream Scan every byte of the stream instead of using PES offsets
(this can show erroneous 'start code emulation' codes)
General Options
-D/--dvd-format Display DVD packet extensions
-d/--debug Report debug info
-w/--write FILE,0xID[,0xSID] Write PES with id ID (and subid SID) to FILE
-h/-?/--help Display this help