return 0;
}
-inline static void push_frame(AVFilterLink *outlink)
+inline static int push_frame(AVFilterLink *outlink)
{
ShowSpectrumContext *showspectrum = outlink->src->priv;
showspectrum->filled = 0;
showspectrum->req_fullfilled = 1;
- ff_filter_frame(outlink, av_frame_clone(showspectrum->outpicref));
+ return ff_filter_frame(outlink, av_frame_clone(showspectrum->outpicref));
}
static int request_frame(AVFilterLink *outlink)
static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples, int nb_samples)
{
+ int ret;
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
ShowSpectrumContext *showspectrum = ctx->priv;
av_rescale_q(showspectrum->consumed,
(AVRational){ 1, inlink->sample_rate },
outlink->time_base);
- push_frame(outlink);
+ ret = push_frame(outlink);
+ if (ret < 0)
+ return ret;
}
return add_samples;
{
AVFilterContext *ctx = inlink->dst;
ShowSpectrumContext *showspectrum = ctx->priv;
- int left_samples = insamples->nb_samples;
+ int ret = 0, left_samples = insamples->nb_samples;
showspectrum->consumed = 0;
while (left_samples) {
- const int added_samples = plot_spectrum_column(inlink, insamples, left_samples);
- showspectrum->consumed += added_samples;
- left_samples -= added_samples;
+ int ret = plot_spectrum_column(inlink, insamples, left_samples);
+ if (ret < 0)
+ break;
+ showspectrum->consumed += ret;
+ left_samples -= ret;
}
av_frame_free(&insamples);
- return 0;
+ return ret;
}
static const AVFilterPad showspectrum_inputs[] = {