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Diffstat (limited to 'doc/filters.texi')
-rw-r--r-- | doc/filters.texi | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index ae08f3221c..be4d9c25e1 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -5574,8 +5574,9 @@ value. Detect video interlacing type. -This filter tries to detect if the input is interlaced or progressive, -top or bottom field first. +This filter tries to detect if the input frames as interlaced, progressive, +top or bottom field first. It will also try and detect fields that are +repeated between adjacent frames (a sign of telecine). Single frame detection considers only immediately adjacent frames when classifying each frame. Multiple frame detection incorporates the classification history of previous frames. @@ -5616,6 +5617,18 @@ Cumulative number of frames that could not be classified using single-frame dete @item multiple.undetermined Cumulative number of frames that could not be classified using multiple-frame detection. + +@item repeated.current_frame +Which field in the current frame is repeated from the last. One of ``neither'', ``top'', or ``bottom''. + +@item repeated.neither +Cumulative number of frames with no repeated field. + +@item repeated.top +Cumulative number of frames with the top field repeated from the previous frame's top field. + +@item repeated.bottom +Cumulative number of frames with the bottom field repeated from the previous frame's bottom field. @end table The filter accepts the following options: @@ -5625,6 +5638,8 @@ The filter accepts the following options: Set interlacing threshold. @item prog_thres Set progressive threshold. +@item repeat_thres +Threshold for repeated field detection. @item half_life Number of frames after which a given frame's contribution to the statistics is halved (i.e., it contributes only 0.5 to it's |