| Message ID | 20230326173401.56228-3-stefasab@gmail.com |
|---|---|
| State | Accepted |
| Commit | 5c1330798978cee5b4d7926bea611820b1019804 |
| Headers | show |
| Series | [FFmpeg-devel,1/3] doc/filters/drawtext: clarify meaning of strftime format string | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On 2023-03-26 11:04 pm, Stefano Sabatini wrote: > Also provide example showing how to use this feature to improve filtergraph > readability. LGTM. Regards, Gyan > > Address issue: > http://trac.ffmpeg.org/ticket/8115 > --- > doc/filters.texi | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/doc/filters.texi b/doc/filters.texi > index 1c9d523340..889de8b11a 100644 > --- a/doc/filters.texi > +++ b/doc/filters.texi > @@ -214,6 +214,23 @@ In a complete filterchain all the unlabelled filter input and output > pads must be connected. A filtergraph is considered valid if all the > filter input and output pads of all the filterchains are connected. > > +Leading and trailing whitespaces (space, tabs, or line feeds) separating tokens > +in the filtergraph specification are ignored. This means that the filtergraph > +can be expressed using empty lines and spaces to improve redability. > + > +For example, the filtergraph: > +@example > +testsrc,split[L1],hflip[L2];[L1][L2] hstack > +@end example > + > +can be represented as: > +@example > +testsrc, > +split [L1], hflip [L2]; > + > +[L1][L2] hstack > +@end example > + > Libavfilter will automatically insert @ref{scale} filters where format > conversion is required. It is possible to specify swscale flags > for those automatically inserted scalers by prepending
On date Monday 2023-03-27 10:06:19 +0530, Gyan Doshi wrote: > > > On 2023-03-26 11:04 pm, Stefano Sabatini wrote: > > Also provide example showing how to use this feature to improve filtergraph > > readability. > > LGTM. Applied, thanks.
diff --git a/doc/filters.texi b/doc/filters.texi index 1c9d523340..889de8b11a 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -214,6 +214,23 @@ In a complete filterchain all the unlabelled filter input and output pads must be connected. A filtergraph is considered valid if all the filter input and output pads of all the filterchains are connected. +Leading and trailing whitespaces (space, tabs, or line feeds) separating tokens +in the filtergraph specification are ignored. This means that the filtergraph +can be expressed using empty lines and spaces to improve redability. + +For example, the filtergraph: +@example +testsrc,split[L1],hflip[L2];[L1][L2] hstack +@end example + +can be represented as: +@example +testsrc, +split [L1], hflip [L2]; + +[L1][L2] hstack +@end example + Libavfilter will automatically insert @ref{scale} filters where format conversion is required. It is possible to specify swscale flags for those automatically inserted scalers by prepending