@@ -499,6 +499,12 @@ static int opus_decode_packet(AVCodecContext *avctx, void *data,

                 av_log(avctx, AV_LOG_ERROR, "Error parsing the packet header.\n");

                 return ret;

             }

+            if (coded_samples != s->packet.frame_count * s->packet.frame_duration) {

+                av_log(avctx, AV_LOG_ERROR,

+                       "Mismatching coded sample count in substream %d.\n", i);

+                return AVERROR_INVALIDDATA;

+            }

+

             s->silk_samplerate = get_silk_samplerate(s->packet.config);

         }