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authorClément Bœsch <ubitux@gmail.com>2011-12-29 23:45:45 +0100
committerClément Bœsch <ubitux@gmail.com>2012-08-20 23:03:06 +0200
commitddda29b4a70e4f5239a2a913b87dab0977bd49b8 (patch)
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parent786f06e109e7daef9b9f193eaf89c3493367615e (diff)
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lavfi: add showspectrum filter.
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@@ -4252,6 +4252,20 @@ do not have exactly the same duration in the first file.
@end itemize
+@section showspectrum
+
+Convert input audio to a video output, representing the audio frequency
+spectrum.
+
+The filter accepts the following named parameters:
+@table @option
+@item size, s
+Specify the video size for the output. Default value is @code{640x480}.
+@end table
+
+The usage is very similar to the showwaves filter; see the examples in that
+section.
+
@section showwaves
Convert input audio to a video output, representing the samples waves.
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