AVFilterContext *ctx = inlink->dst;
AudioHistogramContext *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));
s->dchannels = s->dmode == SINGLE ? 1 : inlink->channels;
s->shistogram = av_calloc(s->w, s->dchannels * sizeof(*s->shistogram));
if (!s->shistogram)
const int w = s->w;
int c, y, n, p, bin;
uint64_t acmax = 1;
+ AVFrame *clone;
if (!s->out || s->out->width != outlink->w ||
s->out->height != outlink->h) {
s->ypos = H;
}
- return ff_filter_frame(outlink, av_frame_clone(s->out));
+ clone = av_frame_clone(s->out);
+ if (!clone)
+ return AVERROR(ENOMEM);
+
+ return ff_filter_frame(outlink, clone);
}
static int activate(AVFilterContext *ctx)