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 michae...@gmx.at wrote: Signed-off-by: Michael Niedermayer michae...@gmx.at --- 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
[FFmpeg-devel] [PATCH] doc/filters: Add some random examples for fftfilt
Signed-off-by: Michael Niedermayer michae...@gmx.at --- 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 michae...@gmx.at wrote: Signed-off-by: Michael Niedermayer michae...@gmx.at --- 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
