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;
}
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;
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)