Changes between Version 14 and Version 15 of FancyFilteringExamples

Timestamp:

Sep 29, 2013, 1:25:52 AM (13 years ago)

Author:

dave rice

Comment:

add waveform example that uses split and overlay to distinguish in and out of broadcast range

FancyFilteringExamples

@@ -51 +51 @@
 }}}
 
+=== waveform ===
+[[Image(waveform.jpg)]]
+
+Split the waveform mode of the histogram filter to show broadcast range of the waveform (y values between 16 and 235) in green and out of broadcast range in red.
+{{{
+ffplay -i http://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_surround-fix.avi  -vf "split[a][b];[a]format=gray,histogram=mode=waveform:waveform_mode=column,vflip,split[c][d];[b]pad=iw:ih+256[padded];[c]geq=g=1:b=1[red];[d]geq=r=1:b=1,crop=in_w:220:0:16[mid];[red][mid]overlay=0:16[wave];[padded][wave]overlay=0:H-h"
+}}}
+
 == Audio ==