$ /Applications/Video/mp4box_EvalVid/MP4Box -h swf
SWF Importer Options
MP4Box can import simple Macromedia Flash files (".SWF")
You can specify a SWF input file with '-bt', 'xmt' and '-mp4' options
-global: all SWF defines are placed in first scene replace
* Note: By default SWF defines are sent when needed
-ctrl: uses a dedicated stream for movie control
* Note: Forces '-global'
-no-text: removes all SWF text
-no-font: removes all embedded SWF Fonts (terminal fonts used)
-no-line: removes all lines from SWF shapes
-no-grad: removes all gradients from swf shapes
-quad: uses quadratic bezier curves instead of cubic ones
-xlp: support for lines transparency and scalability
-flatten ang: complementary angle below which 2 lines are merged
* Note: angle '0' means no flattening