avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / avf_avectorscope.c

diff --git a/libavfilter/avf_avectorscope.c b/libavfilter/avf_avectorscope.c
index d9ec151331893e35419f13d889196aebf865ad3f..a0011fe33b967d7a86f537295fd49bcaa2d7aecd 100644 (file)
--- a/libavfilter/avf_avectorscope.c
+++ b/libavfilter/avf_avectorscope.c
@@ -190,17 +190,17 @@ static int query_formats(AVFilterContext *ctx)
     int ret;
 
     formats = ff_make_format_list(sample_fmts);
-    if ((ret = ff_formats_ref         (formats, &inlink->out_formats        )) < 0 ||
+    if ((ret = ff_formats_ref         (formats, &inlink->outcfg.formats        )) < 0 ||
         (ret = ff_add_channel_layout  (&layout, AV_CH_LAYOUT_STEREO         )) < 0 ||
-        (ret = ff_channel_layouts_ref (layout , &inlink->out_channel_layouts)) < 0)
+        (ret = ff_channel_layouts_ref (layout , &inlink->outcfg.channel_layouts)) < 0)
         return ret;
 
     formats = ff_all_samplerates();
-    if ((ret = ff_formats_ref(formats, &inlink->out_samplerates)) < 0)
+    if ((ret = ff_formats_ref(formats, &inlink->outcfg.samplerates)) < 0)
         return ret;
 
     formats = ff_make_format_list(pix_fmts);
-    if ((ret = ff_formats_ref(formats, &outlink->in_formats)) < 0)
+    if ((ret = ff_formats_ref(formats, &outlink->incfg.formats)) < 0)
         return ret;
 
     return 0;
@@ -211,7 +211,7 @@ static int config_input(AVFilterLink *inlink)
     AVFilterContext *ctx = inlink->dst;
     AudioVectorScopeContext *s = ctx->priv;
 
-    s->nb_samples = FFMAX(1, ((double)inlink->sample_rate / av_q2d(s->frame_rate)) + 0.5);
+    s->nb_samples = FFMAX(1, av_rescale(inlink->sample_rate, s->frame_rate.den, s->frame_rate.num));
 
     return 0;
 }
@@ -238,6 +238,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
     AudioVectorScopeContext *s = ctx->priv;
     const int hw = s->hw;
     const int hh = s->hh;
+    AVFrame *clone;
     unsigned x, y;
     unsigned prev_x = s->prev_x, prev_y = s->prev_y;
     double zoom = s->zoom;
@@ -360,7 +361,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
     s->prev_x = x, s->prev_y = y;
     av_frame_free(&insamples);
 
-    return ff_filter_frame(outlink, av_frame_clone(s->outpicref));
+    clone = av_frame_clone(s->outpicref);
+    if (!clone)
+        return AVERROR(ENOMEM);
+
+    return ff_filter_frame(outlink, clone);
 }
 
 static int activate(AVFilterContext *ctx)
@@ -410,7 +415,7 @@ static const AVFilterPad audiovectorscope_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_avf_avectorscope = {
+const AVFilter ff_avf_avectorscope = {
     .name          = "avectorscope",
     .description   = NULL_IF_CONFIG_SMALL("Convert input audio to vectorscope video output."),
     .uninit        = uninit,