On 6/28/15, Dave Rice <d...@dericed.com> wrote: > Hi, > >> On Jun 27, 2015, at 4:52 PM, Paul B Mahol <one...@gmail.com> wrote: >> >> Signed-off-by: Paul B Mahol <one...@gmail.com> >> --- >> doc/filters.texi | 76 ++++++++++++ >> libavfilter/Makefile | 1 + >> libavfilter/allfilters.c | 1 + >> libavfilter/vf_drawgraph.c | 297 >> +++++++++++++++++++++++++++++++++++++++++++++ >> 4 files changed, 375 insertions(+) >> create mode 100644 libavfilter/vf_drawgraph.c >>
[...] > > With this version using a color name for foreground no longer works: > > This works: > ffplay -f lavfi -i mandelbrot -vf > signalstats,drawgraph=metadata=lavfi.signalstats.YAVG:min=0:max=255:slide=scroll:bg=green:fg=0x0000FF > > This doesn't: > ffplay -f lavfi -i mandelbrot -vf > signalstats,drawgraph=metadata=lavfi.signalstats.YAVG:min=0:max=255:slide=scroll:bg=green:fg=red AFAIK The expressions can not work with strings. > > Also here's an example with blend: > ffplay -f lavfi -i mandelbrot -vf "signalstats,split=3[a][b][c];\ > [a]drawgraph=metadata=lavfi.signalstats.YAVG:min=0:max=255:slide=scroll:fg=0xFFFF0000:mode=dot[a1];\ > [b]drawgraph=metadata=lavfi.signalstats.UAVG:min=0:max=255:slide=scroll:fg=0xFF00FF00:mode=dot[b1];\ > [c]drawgraph=metadata=lavfi.signalstats.VAVG:min=0:max=255:slide=scroll:fg=0xFFFFFF00:mode=dot[c1];\ > [a1][b1]blend=and[ab];[ab][c1]blend=and[out]" > The blending kills difference in colors so I may add multiple graphs support for filter. > Thanks, > Dave Rice > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
