ffmpeg | branch: master | greg Luce <electron.rotosc...@gmail.com> | Thu Jun 20 12:08:04 2019 -0400| [18dab6175bad2864c8d19a1d1476f5a3c1130599] | committer: Gyan Doshi
doc/filters: drawtext additions and corrections Document the pict_type constant. Clarify availability of metadata. Minor grammar fixes. Written with the help of Gyan and kepstin > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=18dab6175bad2864c8d19a1d1476f5a3c1130599 --- doc/filters.texi | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/doc/filters.texi b/doc/filters.texi index 3313f96bd4..2d9af46a6b 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -8962,7 +8962,10 @@ the width of the rendered text the x and y offset coordinates where the text is drawn. These parameters allow the @var{x} and @var{y} expressions to refer -each other, so you can for example specify @code{y=x/dar}. +to each other, so you can for example specify @code{y=x/dar}. + +@item pict_type +A one character description of the current frame's picture type. @end table @anchor{drawtext_expansion} @@ -9032,11 +9035,18 @@ The first argument is mandatory and specifies the metadata key. The second argument is optional and specifies a default value, used when the metadata key is not found or empty. +Available metadata can be identified by inspecting entries +starting with TAG included within each frame section +printed by running @code{ffprobe -show_frames}. + +String metadata generated in filters leading to +the drawtext filter are also available. + @item n, frame_num The frame number, starting from 0. @item pict_type -A 1 character description of the current picture type. +A one character description of the current picture type. @item pts The timestamp of the current frame. _______________________________________________ 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".
