[FFmpeg-devel] [PATCH] doc/filters: Add some random examples for fftfilt
Signed-off-by: Michael Niedermayer --- doc/filters.texi | 23 +++ 1 file changed, 23 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index b15087c..9149ae5 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4629,6 +4629,29 @@ The coordinates of the current sample. The width and height of the image. @end table +@subsection Examples + +@itemize +@item +Highpass: +@example +fftfilt=dc_Y=128:weight_Y='squish(1-(Y+X)/100)' + +@end example + +Lowpass +@example +fftfilt=dc_Y=0:weight_Y='squish((Y+X)/100-1)' +@end example + +@item +Sharpen: +@example +fftfilt=dc_Y=0:weight_Y='1+squish(1-(Y+X)/100)' +@end example + +@end itemize + @section field Extract a single field from an interlaced image using stride -- 1.7.9.5 ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
Re: [FFmpeg-devel] [PATCH] doc/filters: Add some random examples for fftfilt
On Sat, Mar 7, 2015 at 2:29 PM Michael Niedermayer wrote: > Signed-off-by: Michael Niedermayer > --- > doc/filters.texi | 23 +++ > 1 file changed, 23 insertions(+) > > diff --git a/doc/filters.texi b/doc/filters.texi > index b15087c..9149ae5 100644 > --- a/doc/filters.texi > +++ b/doc/filters.texi > @@ -4629,6 +4629,29 @@ The coordinates of the current sample. > The width and height of the image. > @end table > > +@subsection Examples > + > +@itemize > +@item > > +Highpass: > High-pass: > +@example > +fftfilt=dc_Y=128:weight_Y='squish(1-(Y+X)/100)' > + > +@end example > + > > +Lowpass > add @item and ':' also Low-pass > +@example > +fftfilt=dc_Y=0:weight_Y='squish((Y+X)/100-1)' > +@end example > + > +@item > +Sharpen: > +@example > +fftfilt=dc_Y=0:weight_Y='1+squish(1-(Y+X)/100)' > +@end example > + > +@end itemize > + > @section field > > Extract a single field from an interlaced image using stride > -- > 1.7.9.5 > > ___ > 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
Re: [FFmpeg-devel] [PATCH] doc/filters: Add some random examples for fftfilt
On Sun, Mar 08, 2015 at 12:57:03AM +, Timothy Gu wrote: > On Sat, Mar 7, 2015 at 2:29 PM Michael Niedermayer wrote: > > > Signed-off-by: Michael Niedermayer > > --- > > doc/filters.texi | 23 +++ > > 1 file changed, 23 insertions(+) > > > > diff --git a/doc/filters.texi b/doc/filters.texi > > index b15087c..9149ae5 100644 > > --- a/doc/filters.texi > > +++ b/doc/filters.texi > > @@ -4629,6 +4629,29 @@ The coordinates of the current sample. > > The width and height of the image. > > @end table > > > > +@subsection Examples > > + > > +@itemize > > +@item > > > > > > +Highpass: > > > > High-pass: > > > > +@example > > +fftfilt=dc_Y=128:weight_Y='squish(1-(Y+X)/100)' > > + > > +@end example > > + > > > > > > +Lowpass > > > > add @item and ':' > also Low-pass fixed applied thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The educated differ from the uneducated as much as the living from the dead. -- Aristotle signature.asc Description: Digital signature ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
