[FFmpeg-devel] [PATCH] avfilter/avf_showwaves: Add draw mode also to showwavespic filter

Martin Vobruba vobruba.martin at gmail.com
Thu Apr 25 11:15:16 EEST 2019


See commit a8c2d375ca68b7f001564ced14d8ac0757f53a29
---
 doc/filters.texi            | 15 +++++++++++++++
 libavfilter/avf_showwaves.c |  3 +++
 2 files changed, 18 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index e9cbccc..9b92189 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -22647,6 +22647,21 @@ Cubic root.
 Default is linear.
 @end table
 
+ at item draw
+Set the draw mode. This is mostly useful to set for high @var{n}.
+
+Available values are:
+ at table @samp
+ at item scale
+Scale pixel values for each drawn sample.
+
+ at item full
+Draw every sample directly.
+ at end table
+
+Default value is @code{scale}.
+ at end table
+
 @subsection Examples
 
 @itemize
diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c
index 0e683cf..a0d2b25 100644
--- a/libavfilter/avf_showwaves.c
+++ b/libavfilter/avf_showwaves.c
@@ -765,6 +765,9 @@ static const AVOption showwavespic_options[] = {
         { "log", "logarithmic",    0, AV_OPT_TYPE_CONST, {.i64=SCALE_LOG}, .flags=FLAGS, .unit="scale"},
         { "sqrt", "square root",   0, AV_OPT_TYPE_CONST, {.i64=SCALE_SQRT}, .flags=FLAGS, .unit="scale"},
         { "cbrt", "cubic root",    0, AV_OPT_TYPE_CONST, {.i64=SCALE_CBRT}, .flags=FLAGS, .unit="scale"},
+    { "draw", "set draw mode", OFFSET(draw_mode), AV_OPT_TYPE_INT, {.i64 = DRAW_SCALE}, 0, DRAW_NB-1, FLAGS, .unit="draw" },
+        { "scale", "scale pixel values for each drawn sample", 0, AV_OPT_TYPE_CONST, {.i64=DRAW_SCALE}, .flags=FLAGS, .unit="draw"},
+        { "full",  "draw every pixel for sample directly",     0, AV_OPT_TYPE_CONST, {.i64=DRAW_FULL},  .flags=FLAGS, .unit="draw"},
     { NULL }
 };
 
-- 
2.7.4



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