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Commit 1aa51924 authored by Paul B Mahol's avatar Paul B Mahol
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avfilter/af_aiir: draw IR frequency response 

Signed-off-by: 's avatarPaul B Mahol <onemda@gmail.com>
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doc/filters.texi
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...@@ -1136,6 +1136,16 @@ single-precision floating-point ...@@ -1136,6 +1136,16 @@ single-precision floating-point
16-bit integers 16-bit integers
@end table @end table
@item response
Show IR frequency reponse, magnitude and phase in additional video stream.
By default it is disabled.
@item channel
Set for which IR channel to display frequency response. By default is first channel
displayed. This option is used only when @var{response} is enabled.
@item size
Set video stream size. This option is used only when @var{response} is enabled.
@end table @end table
Coefficients in @code{tf} format are separated by spaces and are in ascending Coefficients in @code{tf} format are separated by spaces and are in ascending
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libavfilter/af_aiir.c
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