s->nb_samples += frame->nb_samples;
start_sample = FFMAX(0, start_sample);
end_sample = FFMIN(frame->nb_samples, end_sample);
- av_assert0(start_sample < end_sample || (start_sample == end_sample && !frame->nb_samples));
+ if (start_sample >= end_sample || !frame->nb_samples)
+ goto drop;
if (start_sample) {
AVFrame *out = ff_get_audio_buffer(ctx->outputs[0], end_sample - start_sample);