vf_codecview: added new options

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 35 insertions, 3 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index 22347346b0..605f67066c 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -4790,16 +4790,48 @@ backward predicted MVs of B-frames
 @end table
 
 @item qp
-Display quantization parameters using the chroma planes
+Display quantization parameters using the chroma planes.
+
+@item mv_type, mvt
+Set motion vectors type to visualize. Includes MVs from all frames unless specified by @var{frame_type} option.
+
+Available flags for @var{mv_type} are:
+
+@table @samp
+@item fp
+forward predicted MVs
+@item bp
+backward predicted MVs
+@end table
+
+@item frame_type, ft
+Set frame type to visualize motion vectors of.
+
+Available flags for @var{frame_type} are:
+
+@table @samp
+@item if
+intra-coded frames (I-frames)
+@item pf
+predicted frames (P-frames)
+@item bf
+bi-directionally predicted frames (B-frames)
+@end table
 @end table
 
 @subsection Examples
 
 @itemize
 @item
-Visualizes multi-directionals MVs from P and B-Frames using @command{ffplay}:
+Visualize forward predicted MVs of all frames using @command{ffplay}:
+@example
+ffplay -flags2 +export_mvs input.mp4 -vf codecview=mv_type=fp
+@end example
+
+@item
+Visualize multi-directionals MVs of P and B-Frames using @command{ffplay}:
 @example
-ffplay -flags2 +export_mvs input.mpg -vf codecview=mv=pf+bf+bb
+ffplay -flags2 +export_mvs input.mp4 -vf codecview=mv=pf+bf+bb
 @end example
 @end itemize