return -1;
}
st->codec->extradata = av_mallocz(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata) {
+ st->codec->extradata_size = 0;
+ return AVERROR(ENOMEM);
+ }
avio_seek(s->pb, start_offset, SEEK_SET);
avio_read(s->pb, st->codec->extradata, st->codec->extradata_size);