+ case MKTAG('s', 't', 'r', 'd'):
+ if (stream_index >= (unsigned)s->nb_streams || s->streams[stream_index]->codec->extradata_size) {
+ avio_skip(pb, size);
+ } else {
+ uint64_t cur_pos = avio_tell(pb);
+ if (cur_pos < list_end)
+ size = FFMIN(size, list_end - cur_pos);
+ st = s->streams[stream_index];
+
+ if(size<(1<<30)){
+ st->codec->extradata_size= size;
+ st->codec->extradata= av_malloc(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codec->extradata) {
+ st->codec->extradata_size= 0;
+ return AVERROR(ENOMEM);
+ }
+ avio_read(pb, st->codec->extradata, st->codec->extradata_size);
+ }
+
+ if(st->codec->extradata_size & 1) //FIXME check if the encoder really did this correctly
+ avio_r8(pb);
+ }
+ break;