@@ -170,11 +170,18 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamplesref)

 {

     AResampleContext *aresample = inlink->dst->priv;

     const int n_in  = insamplesref->nb_samples;

-    int n_out       = n_in * aresample->ratio * 2 + 256;

+    int64_t delay;

+    int n_out       = n_in * aresample->ratio + 32;

     AVFilterLink *const outlink = inlink->dst->outputs[0];

-    AVFrame *outsamplesref = ff_get_audio_buffer(outlink, n_out);

+    AVFrame *outsamplesref;

     int ret;

+    delay = swr_get_delay(aresample->swr, outlink->sample_rate);

+    if (delay > 0)

+        n_out += delay;

+

+    outsamplesref = ff_get_audio_buffer(outlink, n_out);

+

     if(!outsamplesref)

         return AVERROR(ENOMEM);