- SpeexHeader *header = speex_packet_to_header(avctx->extradata,
- avctx->extradata_size);
+ header = speex_packet_to_header(avctx->extradata,
+ avctx->extradata_size);
+ if (!header)
+ av_log(avctx, AV_LOG_WARNING, "Invalid Speex header\n");
+ }
+ if (header) {