lavfi/stereo3d: switch to an AVOptions-based system.

doc/filters.texi

@@ -5181,8 +5181,7 @@ is set.
 
 Convert between different stereoscopic image formats.
 
-This filter accepts the following named options, expressed as a
-sequence of @var{key}=@var{value} pairs, separated by ":".
+The filters accept the following options:
 
 @table @option
 @item in

libavfilter/avfilter.c

@@ -703,6 +703,7 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
         !strcmp(filter->filter->name, "showspectrum") ||
         !strcmp(filter->filter->name, "silencedetect") ||
         !strcmp(filter->filter->name, "smartblur") ||
+        !strcmp(filter->filter->name, "stereo3d" ) ||
         !strcmp(filter->filter->name, "subtitles") ||
         !strcmp(filter->filter->name, "thumbnail") ||
         !strcmp(filter->filter->name, "transpose") ||

libavfilter/vf_stereo3d.c

@@ -440,8 +440,6 @@ static const AVFilterPad stereo3d_outputs[] = {
     { NULL }
 };
 
-static const char *const shorthand[] = { "in", "out", NULL };
-
 AVFilter avfilter_vf_stereo3d = {
     .name          = "stereo3d",
     .description   = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
@@ -450,5 +448,4 @@ AVFilter avfilter_vf_stereo3d = {
     .inputs        = stereo3d_inputs,
     .outputs       = stereo3d_outputs,
     .priv_class    = &stereo3d_class,
-    .shorthand     = shorthand,
 };