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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 0b2a9b6bbd..82be06d225 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -6557,6 +6557,12 @@ drawtext="fontsize=30:fontfile=FreeSerif.ttf:text='hello world':x=(w-text_w)/2:y @end example @item +Show the text at a random position, switching to a new position every 30 seconds: +@example +drawtext="fontsize=30:fontfile=FreeSerif.ttf:text='hello world':x=if(eq(mod(t\,30)\,0)\,rand(0\,(w-text_w))\,x):y=if(eq(mod(t\,30)\,0)\,rand(0\,(h-text_h))\,y)" +@end example + +@item Show a text line sliding from right to left in the last row of the video frame. The file @file{LONG_LINE} is assumed to contain a single line with no newlines. |