Melt is numeric locale sensitive, and keyframed values should be quoted. On Tue, Oct 13, 2015, 11:45 PM Zenny <garbytr...@gmail.com> wrote:
> Thanks again Janne. > > I lumakeyed in KDEnlive and worked well with: > <filter id="lumakey"> > <property name="track">0</property> > <property name="threshold">130</property> > <property name="slope">0</property> > <property name="prelevel">255</property> > <property name="postlevel">0</property> > <property name="mlt_type">filter</property> > <property name="mlt_service">lumakey</property> > <property name="kdenlive_id">lumakey</property> > <property name="tag">lumakey</property> > <property name="kdenlive_ix">1</property> > <property name="kdenlive_info"/> > </filter> > <filter id="frei0r.alpha0ps"> > <property name="track">0</property> > <property name="version">0.3</property> > <property name="mlt_type">filter</property> > <property name="mlt_service">frei0r.alpha0ps</property> > <property name="kdenlive_id">frei0r.alpha0ps</property> > <property name="tag">frei0r.alpha0ps</property> > <property name="kdenlive_ix">3</property> > <property name="Display">0.0</property> > <property name="Display input alpha">0</property> > <property name="Operation">1.0</property> > <property name="Threshold">0=0.5</property> > <property name="Shrink/Grow/Blur amount">0=0.5</property> > <property name="Invert">0</property> > <property name="kdenlive_info"/> > </filter> > > It produces nice feather blur around the talent. However, when I tried > to translate to command line with: > > $melt BACKGROUND -track FOREGROUND \ > -filter lumakey threshold=130 slope=0 prelevel=255 postlevel=0 \ > -filter frei0r.scale0alpha0ps Display=0 "Display input alpha"=0 > Operation=1.0 Threshold=0=0.5 "Shrink/Glow/Blur amount"=0=0.5 Invert=0 > \ > -transition composite > > It lumakeyed, but the feather blur didn't work. How to interpret the > nitty gritty details that KDEnlive provides into melt commandline? > > Appreciate for some guidance. > > On 10/14/15, Zenny <garbytr...@gmail.com> wrote: > > BTW, Janne, Flowblade 1.2 deb gets installed, but segfaults in ubuntu > > 14.04, fyi. > > > > In kdenlive, I found the lumakey under misc which I didn't actually > > expect. Thanks for the pointer. Shotcut GUI neither shows up chorma > > nor luma nor color key in it's filter list, as you must be aware of. I > > am on 15.04 version of Shotcut,fyi. > > > > wbr, > > /z > > > > On 10/13/15, Zenny <garbytr...@gmail.com> wrote: > >> Thanks Janne, but I could not figure out chroma/luma key filter in > >> Shotcut, not one in Flowblade or KDEnlive. Any pointer. > >> > >> On 10/13/15, Janne Liljeblad <janne.liljeb...@gmail.com> wrote: > >>> After 10s of moving sliders in Flowblade i got values threashold:80, > >>> slope:0, prelevel:255, postlevel:0 that seemed to work ok. You > >>> probably should test stuff like this with KDEnlive, Flowblade or > >>> Shotcut before posting here, this isn't too hard to try. > >>> > >>> > >>> Janne > >>> > >>> On Tue, Oct 13, 2015 at 9:24 PM, Zenny <garbytr...@gmail.com> wrote: > >>>> Hi, > >>>> > >>>> I am trying to extract the talent from the background which is lit the > >>>> most using lumakey (See http://picpaste.com/G8XWYhuz.jpg). > >>>> > >>>> Using mltframework v0.9.8, > >>>> > >>>> $ melt BACKGROUND_VIDEO \ > >>>> -track FOREGROUND_VIDEO \ > >>>> -filter lumakey \ > >>>> -transition composite > >>>> > >>>> extracts the talent and leaves the background. > >>>> > >>>> $ melt -query filter=lumakey > >>>> > >>>> gives four variables to choose from: threshold (0-255), slope (0-128), > >>>> prelevel (0-255) and postlevel (0-255) which has gone above my head. > >>>> > >>>> Is there a way that I can extract the talent from the background using > >>>> lumakey filter? Help appreciated. > >>>> > >>>> wbr, > >>>> /z > >>>> > >>>> > ------------------------------------------------------------------------------ > >>>> _______________________________________________ > >>>> Mlt-devel mailing list > >>>> Mlt-devel@lists.sourceforge.net > >>>> https://lists.sourceforge.net/lists/listinfo/mlt-devel > >>> > >> > > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Mlt-devel mailing list > Mlt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mlt-devel >
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