lavfi/sine: switch to an AVOptions-based system.

doc/filters.texi

@@ -1688,11 +1688,7 @@ Generate an audio signal made of a sine wave with amplitude 1/8.
 
 The audio signal is bit-exact.
 
-It accepts a list of options in the form of @var{key}=@var{value} pairs
-separated by ":". If the option name is omitted, the first option is the
-frequency and the second option is the beep factor.
-
-The supported options are:
+The filter accepts the following options:
 
 @table @option
 

libavfilter/asrc_sine.c

@@ -210,8 +210,6 @@ static const AVFilterPad sine_outputs[] = {
     { NULL }
 };
 
-static const char *const shorthand[] = { "frequency", "beep_factor", NULL };
-
 AVFilter avfilter_asrc_sine = {
     .name          = "sine",
     .description   = NULL_IF_CONFIG_SMALL("Generate sine wave audio signal."),
@@ -222,5 +220,4 @@ AVFilter avfilter_asrc_sine = {
     .inputs        = NULL,
     .outputs       = sine_outputs,
     .priv_class    = &sine_class,
-    .shorthand     = shorthand,
 };

libavfilter/avfilter.c

@@ -752,6 +752,7 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
         !strcmp(filter->filter->name, "settb"        ) ||
         !strcmp(filter->filter->name, "showspectrum") ||
         !strcmp(filter->filter->name, "silencedetect") ||
+        !strcmp(filter->filter->name, "sine"     ) ||
         !strcmp(filter->filter->name, "smartblur") ||
         !strcmp(filter->filter->name, "split"    ) ||
         !strcmp(filter->filter->name, "stereo3d" ) ||