avfilter/avf_showspectrum: add legend support to showspectrum filter

9c120b4d · Paul B Mahol · 0a41a8bf · 9c120b4d · 9c120b4d
Commit 9c120b4d authored Oct 07, 2018 by Paul B Mahol
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Showing with 385 additions and 348 deletions

filters.texi doc/filters.texi +3 -0

avf_showspectrum.c libavfilter/avf_showspectrum.c +382 -348

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--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -20730,6 +20730,9 @@ Set stop frequency to which to display spectrogram. Default is @code{0}.

 @item fps
 Set upper frame rate limit. Default is @code{auto}, unlimited.
+
+@item legend
+Draw time and frequency axes and legends. Default is disabled.
 @end table

 The usage is very similar to the showwaves filter; see the examples in that

--- a/libavfilter/avf_showspectrum.c
+++ b/libavfilter/avf_showspectrum.c