ffmpeg | branch: master | Niklas Haas <g...@haasn.dev> | Sat May 4 13:10:41 2024 +0200| [8bf0a9c2ca1ab46387f01687d7b9bb081a73b722] | committer: Niklas Haas
doc/filters: move scale=ref_* to correct sectton This was accidentally filed under scale_npp, instead of scale. (Why is this entire section basically duplicated anyway?) > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8bf0a9c2ca1ab46387f01687d7b9bb081a73b722 --- doc/filters.texi | 50 ++++++++++++++++++++++++-------------------------- 1 file changed, 24 insertions(+), 26 deletions(-) diff --git a/doc/filters.texi b/doc/filters.texi index 5198f14f28..c4efae01c6 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -21228,6 +21228,16 @@ The position (byte offset) of the frame in the input stream, or NaN if this information is unavailable and/or meaningless (for example in case of synthetic video). Only available with @code{eval=frame}. Deprecated, do not use. + +@item ref_w, rw +@item ref_h, rh +@item ref_a +@item ref_dar, rdar +@item ref_n +@item ref_t +@item ref_pos +Eqvuialent to the above, but for a second reference input. If any of these +variables are present, this filter accepts two inputs. @end table @subsection Examples @@ -21329,6 +21339,20 @@ making sure the resulting resolution is even (required by some codecs): @example scale='trunc(ih*dar/2)*2:trunc(ih/2)*2',setsar=1/1 @end example + +@item +Scale a subtitle stream (sub) to match the main video (main) in size before +overlaying. +@example +'[main]split[a][b]; [ref][a]scale=rw:rh[c]; [b][c]overlay' +@end example + +@item +Scale a logo to 1/10th the height of a video, while preserving its display +aspect ratio. +@example +[logo-in][video-in]scale=w=oh*dar:h=rh/10[logo-out] +@end example @end itemize @subsection Commands @@ -21562,34 +21586,8 @@ The position (byte offset) of the frame in the input stream, or NaN if this information is unavailable and/or meaningless (for example in case of synthetic video). Only available with @code{eval=frame}. Deprecated, do not use. - -@item ref_w, rw -@item ref_h, rh -@item ref_a -@item ref_dar, rdar -@item ref_n -@item ref_t -@item ref_pos -Eqvuialent to the above, but for a second reference input. If any of these -variables are present, this filter accepts two inputs. @end table -@subsection Examples - -@itemize -@item -Scale a subtitle stream (sub) to match the main video (main) in size before overlaying -@example -'[main]split[a][b]; [ref][a]scale=rw:rh[c]; [b][c]overlay' -@end example - -@item -Scale a logo to 1/10th the height of a video, while preserving its display aspect ratio. -@example -[logo-in][video-in]scale=w=oh*dar:h=rh/10[logo-out] -@end example -@end itemize - @section scale2ref_npp Use the NVIDIA Performance Primitives (libnpp) to scale (resize) the input _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
